Provided is a curable silicone composition that can contain a large amount of a functional inorganic filler, provides a cured product with excellent hot-melt, gap-filling, and homogeneity properties characterized by high fluidity at high temperatures, is suitable for transfer molding and other molding or sealing processes, generates little dust, and has excellent handling workability; a manufacturing method with excellent production efficiency and homogeneity; and the like. A granular curable silicone composition comprises: (A) an organopolysiloxane resin containing at least 20 mol % or more T units, (B) a curing agent, and (C) a functional inorganic filler. The amount of component (C) is 400 to 3000 parts by mass relative to 100 parts by mass of components (A) and (B). The composition is a solid at 25° C. and has a melt viscosity of 200 Pa·s or less, and the average particle size thereof is in the range of 0.1 to 10.0 mm.
C08G 77/00 - Composés macromoléculaires obtenus par des réactions créant dans la chaîne principale de la macromolécule une liaison contenant du silicium, avec ou sans soufre, azote, oxygène ou carbone
C08G 77/08 - Procédés de préparation caractérisés par les catalyseurs utilisés
Provided is a curable silicone composition that has excellent curing properties and flow properties when heated and melted, and that enables fine filling, as well as excellent storage stability and thick molding properties, and that forms a hard cured product with low surface tack when cured. A curable silicone composition having hot-melt properties as a whole, comprises: (A) a solid organopolysiloxane resin that contains (A1) an organopolysiloxane resin having a curing reactive functional group and containing 20 mol % or more of a Q unit, and (A2) an organopolysiloxane resin not having a curing reactive functional group and containing 20 mol % or more of a Q unit; (B) 10 to 100 parts by mass of a straight-chain or branched organopolysiloxane having a curing reactive functional group; (C) an organohydrogenpolysiloxane; and (D) particles containing a hydrosilylation reaction catalyst using a thermoplastic resin with a Tg in a range of 110 to 200° C.
This disclosure relates to one-piece woven airbags coated with a cured product of hydrosilylation curable silicone rubber coating compositions and to a process for coating the one-piece woven airbags with the hydrosilylation curable silicone rubber coating compositions. The resulting one-piece woven airbags coated with a cured product of the hydrosilylation curable silicone rubber coating compositions are of a reduced mean dry coat weight while maintaining the properties of previous one-piece woven airbags coated with standard, thicker coatings.
B60R 21/235 - Éléments gonflables caractérisés par leur matériau
D06N 3/00 - Cuir artificiel, toile cirée ou matériau similaire obtenu par enduction de nappes fibreuses avec une substance macromoléculaire, p. ex. avec des résines, du caoutchouc ou leurs dérivés
D06N 3/12 - Cuir artificiel, toile cirée ou matériau similaire obtenu par enduction de nappes fibreuses avec une substance macromoléculaire, p. ex. avec des résines, du caoutchouc ou leurs dérivés avec des composés macromoléculaires obtenus autrement que par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone
5.
SILICONE RUBBER COMPOSITION FOR TEXTILE COATING AND SILICONE RUBBER-COATED TEXTILE
A silicone rubber composition for textile coating is provided. The composition comprises: (A) an organopolysiloxane having on average at least one alkenyl group per molecule and having a viscosity at 25° C. of from 100 to 1,000,000 mPa s; (B) an organopolysiloxane having at least two silicon atom-bonded hydrogen atoms per molecule, wherein a content of the silicon atom-bonded hydrogen atoms is 0.5 mass % or less; (C) a hydrosilylation catalyst; (D) a reinforcing silica fine powder; (E) an adhesion promoter; and (F) an amino group-containing triazine compound, or a compound having a phenol backbone and an amide bond, wherein each compound has a molecular weight of from 120 to 700. The composition has good curability, and forms a silicone rubber with high elongation and small change in elongation even when the silicone rubber is subjected to heat-aging.
D06N 3/12 - Cuir artificiel, toile cirée ou matériau similaire obtenu par enduction de nappes fibreuses avec une substance macromoléculaire, p. ex. avec des résines, du caoutchouc ou leurs dérivés avec des composés macromoléculaires obtenus autrement que par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone
D06N 3/00 - Cuir artificiel, toile cirée ou matériau similaire obtenu par enduction de nappes fibreuses avec une substance macromoléculaire, p. ex. avec des résines, du caoutchouc ou leurs dérivés
6.
HIGH ENERGY RAY-CURABLE COMPOSITION AND USE OF SAME
Provided is a high energy ray-curable composition containing silicon atoms, in which the cured product has high transparency and low dielectric properties, and has low viscosity and excellent workability when applied to a substrate even when the composition is solvent free. The high energy ray-curable composition comprises: (A) 5 parts by mass to 95 parts by mass of a compound having one or more (meth)acryloxy groups and no silicon atoms in the molecule; and (B) 95 parts by mass to 5 parts by mass of a branched organopolysiloxane having one (meth)acryloxy group and no alkoxy group in a molecule, some of the oxygen atoms being substitutable with a divalent alkylene group having no more than 6 carbon atoms. The high energy ray-curable composition contains substantially no organic solvent and the viscosity of the entire composition (measured at 25° C. using an E-type viscometer) is 500 mPa's or less.
C09D 4/00 - Compositions de revêtement, p. ex. peintures, vernis ou vernis-laques, à base de composés non macromoléculaires organiques ayant au moins une liaison non saturée carbone-carbone polymérisable
C08F 220/18 - Esters des alcools ou des phénols monohydriques des phénols ou des alcools contenant plusieurs atomes de carbone avec l'acide acrylique ou l'acide méthacrylique
C09D 133/06 - Homopolymères ou copolymères d'esters d'esters ne contenant que du carbone, de l'hydrogène et de l'oxygène, l'atome d'oxygène faisant uniquement partie du radical carboxyle
C09D 135/02 - Homopolymères ou copolymères d'esters
7.
CURABLE ORGANOPOLYSILOXANE COMPOSITION, ORGANOPOLYSILOXANE ADHESIVE LAYER OBTAINED BY CURING SAME, AND LAMINATE
Provided is a curable organopolysiloxane composition that can be heat curable and photocurable, and that has sufficient tackiness, enabling design of a composition that can coat even when using a small amount of solvent, a cured product thereof, and use thereof. The curable organopolysiloxane composition comprises (A) a chain organopolysiloxane having an alkenyl group, (B) a specific MQ type organopolysiloxane resin, and (C) a radical polymerization initiator. As an optional component, the composition may further comprise (D) at least one type of radical reactive component selected from (D1) vinyl monomers, and (D2) (meth)acrylic group-containing organopolysiloxane compounds. The sum of component (A), component (B), and component (D2) with respect to the total solid mass of the composition is 50 mass % or higher.
C09J 7/35 - Adhésifs sous forme de films ou de pellicules caractérisés par la composition de l’adhésif activés par chauffage
B32B 7/12 - Liaison entre couches utilisant des adhésifs interposés ou des matériaux interposés ayant des propriétés adhésives
B32B 37/12 - Procédés ou dispositifs pour la stratification, p. ex. par polymérisation ou par liaison à l'aide d'ultrasons caractérisés par l'usage d'adhésifs
C09J 5/06 - Procédés de collage en généralProcédés de collage non prévus ailleurs, p. ex. relatifs aux amorces comprenant un chauffage de l'adhésif appliqué
8.
THERMOSETTING COMPOSITION, PREPREG INCLUDING SAME, AND HIGH-FREQUENCY CIRCUIT BOARD
[Problem] To provide: a thermosetting composition that is cured by heating, largely adjustable in terms of physical properties, and gives a cured product having excellent dielectric characteristics, transparency, molding processability, heat resistance, and toughness; and a use thereof. [Solution] A thermosetting composition and a use thereof, the thermosetting composition comprising: (A) a siloxane compound selected from (a1) a linear siloxane having two alkenyl groups and an aryl group, and (a2) a siloxane having two alkenyl groups and 8 or fewer silicon atoms; (B) an aromatic macromolecule/cycloolefin polymer having a reactive functional group; and (C) a thermal radical initiator.
C08F 299/02 - Composés macromoléculaires obtenus par des interréactions de polymères impliquant uniquement des réactions entre des liaisons non saturées carbone-carbone, en l'absence de monomères non macromoléculaires à partir de polycondensats non saturés
C08J 5/24 - Imprégnation de matériaux avec des prépolymères pouvant être polymérisés en place, p. ex. fabrication des "prepregs"
10.
CURABLE ORGANOPOLYSILOXANE COMPOSITION, SLIGHTLY-ADHESIVE ORGANOPOLYSILOXANE ADHESIVE AGENT LAYER OBTAINED BY CURING SAME, AND LAMINATE
Provided is a curable organopolysiloxane composition that can be heat curable and photocurable, has excellent transparency, and forms a slightly adhesive layer, enabling design of a composition that is coatable even when using a small amount of solvent, a cured product thereof, and use thereof. The curable organopolysiloxane composition comprises (A) a chain organopolysiloxane having an alkenyl group, (B) at least one type of radical reactive component selected from (B1) vinyl monomers, and (B2) (meth)acrylic group-containing organopolysiloxane compounds, and (C) a radical polymerization initiator. The sum of component (A) and component (B2) with respect to the total solid mass of the composition is 50 mass % or higher.
B32B 7/12 - Liaison entre couches utilisant des adhésifs interposés ou des matériaux interposés ayant des propriétés adhésives
B32B 27/08 - Produits stratifiés composés essentiellement de résine synthétique comme seul composant ou composant principal d'une couche adjacente à une autre couche d'une substance spécifique d'une résine synthétique d'une sorte différente
B32B 27/36 - Produits stratifiés composés essentiellement de résine synthétique comprenant des polyesters
B32B 37/12 - Procédés ou dispositifs pour la stratification, p. ex. par polymérisation ou par liaison à l'aide d'ultrasons caractérisés par l'usage d'adhésifs
11.
MULTILAYER BODY CAPABLE OF ACHIEVING HIGH PEEL STRENGTH EVEN WITH THIN ADHESIVE LAYER, METHOD FOR PRODUCING SAME, AND METHOD FOR BONDING BASE MATERIALS
[Problem] The present invention addresses the problem of providing a multilayer body which has excellent industrial productivity, can be achieved at a low cost, can be applied not only in a base cloth/film base material form but also in a form using various base materials, and can be designed in a compact structure since a high peel strength can be achieved even with a thin adhesive layer in cases where an external force is applied thereto so as to separate bonded base materials. The present invention also addresses the problem of providing: a method for producing the same; and a method for bonding base materials. [Solution] The present invention provides: a multilayer body that has a structure in which (S1) a first cloth or sheet-like base material and (S2) a second cloth or sheet-like base material are bonded to each other by an adhesive layer in which two or more kinds of curable adhesive compositions having 2-5 times stress at 10 mm elongation in a stress-strain curve at the time of curing are applied in parallel to each other and integrated with each other; and a method for producing the same, and the like.
B32B 7/12 - Liaison entre couches utilisant des adhésifs interposés ou des matériaux interposés ayant des propriétés adhésives
B32B 7/02 - Propriétés physiques, chimiques ou physicochimiques
B32B 37/12 - Procédés ou dispositifs pour la stratification, p. ex. par polymérisation ou par liaison à l'aide d'ultrasons caractérisés par l'usage d'adhésifs
C09J 5/00 - Procédés de collage en généralProcédés de collage non prévus ailleurs, p. ex. relatifs aux amorces
C09J 183/05 - Polysiloxanes contenant du silicium lié à l'hydrogène
C09J 183/07 - Polysiloxanes contenant du silicium lié à des groupes aliphatiques non saturés
12.
MANUFACTURING METHOD FOR POLYETHER-POLYSILOXANE BLOCK COPOLYMER COMPOSITION, POLYETHER-POLYSILOXANE BLOCK COPOLYMER COMPOSITION, AND USE THEREFOR
Provided is a hydrosilylation reaction process, and the like for (AB)n-type polyether-modified silicone compositions having sufficient quality and foam conditioning properties even when a low-cost glycol ether compound is used as a raw material. A method of manufacturing a composition containing a polyether-polysiloxane block copolymer (A′) includes a step of mixing raw material components including at least (a1) double terminated alkenyl polyether, and (N+S) a specific monovalent sodium carboxylate solution, a step of removing a solvent component (S) from the system, and a step of subjecting the raw material components to a hydrosilylation reaction. The sum of component (a1), a component (a2), and a component (B′): =100:40 to 80, and the amount of Na+ in component (N) with regard to component (B′) is added is within a range of 3.8 to 43 wt. ppm. A foam-enhancing composition, and use thereof, is also provided.
Provided is a curable silicone composition or the like having excellent handleability and curing properties during sealing due to good hot-melt properties and excellent melting properties, in addition to having excellent cured product mechanical strength and substrate bonding strength, making the composition suitable as a sealant for semiconductor devices. The curable silicone composition comprises: (A) a hot-melt MDT-type organopolysiloxane resin having a specific siloxane unit ratio; (B) an organohydrogensiloxane compound; (C) a hydrosilylation catalyst; and (D) a functional inorganic filler in an amount of 400 to 3,000 parts by mass per 100 parts by mass of the total of components (A) to (C). The curable silicone composition is solid at 25° C. and has hot-melt properties at a temperature of 200° C. or lower.
B29C 48/00 - Moulage par extrusion, c.-à-d. en exprimant la matière à mouler dans une matrice ou une filière qui lui donne la forme désiréeAppareils à cet effet
B29C 48/08 - Moulage par extrusion, c.-à-d. en exprimant la matière à mouler dans une matrice ou une filière qui lui donne la forme désiréeAppareils à cet effet caractérisées par la forme à l’extrusion de la matière extrudée plate, p. ex. panneaux flexible, p. ex. pellicules
B29C 48/88 - Traitement thermique de l’écoulement de matière extrudée, p. ex. refroidissement
B29K 83/00 - Utilisation de polymères contenant dans la chaîne principale uniquement du silicium avec ou sans soufre, azote, oxygène ou carbone comme matière de moulage
[Problem] To provide: a curable silicone composition that can contain a functional inorganic filler in a large amount, has hot-melt properties and gap-filling properties, which are characterized by high flowability at high temperatures, and gives a cured object having excellent homogeneity, the cured object having satisfactory demoldability, and that is suitable for use in molding, e.g., transfer molding, and in sealing processes, is less apt to generate dust, and has excellent handleability; and a method for producing the curable silicone composition with excellent production efficiency and homogeneity. [Solution] The curable silicone composition has hot-melt properties and comprises (A) a heat-curable silicone, (B) a functional inorganic filler, and (C) a polyolefin-based wax having a melting point of 130°C or lower and a viscosity of 100 mPas or higher at 140°C, and preferably may further contain (D) a wax having a melting point of 130°C or lower and a viscosity of less than 100 mPas at 140°C. Also provided is a use of the curable silicone composition.
B29C 45/14 - Moulage par injection, c.-à-d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule ferméAppareils à cet effet en incorporant des parties ou des couches préformées, p. ex. moulage par injection autour d'inserts ou sur des objets à recouvrir
C08J 3/20 - Formation de mélanges de polymères avec des additifs, p. ex. coloration
C08K 3/013 - Charges, pigments ou agents de renforcement
C08L 23/00 - Compositions contenant des homopolymères ou des copolymères d'hydrocarbures aliphatiques non saturés ne possédant qu'une seule liaison double carbone-carboneCompositions contenant des dérivés de tels polymères
H01L 21/56 - Encapsulations, p. ex. couches d’encapsulation, revêtements
H01L 23/29 - Encapsulations, p. ex. couches d’encapsulation, revêtements caractérisées par le matériau
H01L 23/31 - Encapsulations, p. ex. couches d’encapsulation, revêtements caractérisées par leur disposition
15.
CURABLE HOT MELT ORGANOPOLYSILOXANE COMPOSITION, CURED PRODUCT THEREOF AND METHOD FOR PRODUCING FILM, ETC. COMPRISING SAME
Provided is a hot-melt silicone composition that can be cured at various temperatures, that enables the design of the pressure-sensitive adhesive strength of a resulting cured product to a base material over a wide range, that has excellent transparency and yellowing resistance, and that has excellent handling workability. The composition comprises (A) 1 to 50 parts by mass of a chain organopolysiloxane having two or more alkenyl groups in a molecule, (B) 50 to 99 parts by mass of an MQ organopolysiloxane resin in which the molar ratio of M units to 1 mol of Q units is in the range of 0.5 to 2.0, and (C) 0.1 to 10 parts by mass of a radical polymerization initiator. Optionally, the composition comprises (D) another radical reactive component. The amount of component (B) is 50 mass % or more with respect to the total mass of the solid fraction of the composition.
C09J 7/35 - Adhésifs sous forme de films ou de pellicules caractérisés par la composition de l’adhésif activés par chauffage
C09J 5/06 - Procédés de collage en généralProcédés de collage non prévus ailleurs, p. ex. relatifs aux amorces comprenant un chauffage de l'adhésif appliqué
H01L 21/56 - Encapsulations, p. ex. couches d’encapsulation, revêtements
The present disclosure relates to hydrosilylation curable silicone rubber compositions having polyorganosiloxane cross-linkers containing at least two or at least three terminal silicon bonded hydrogen groups and one or more hydrosilylation cure inhibitor compounds selected from multiacrylates having at least three acrylate groups per molecule. Cured products resulting from the cure of such compositions and which may include elastomeric products are also disclosed.
B29C 64/106 - Procédés de fabrication additive n’utilisant que des matériaux liquides ou visqueux, p. ex. dépôt d’un cordon continu de matériau visqueux
Provided is a hot-melt type silicone composition that can be cured at a wide range of temperatures from low to high depending on the sealing process and the heat resistance of the resin members, in particular, that can realize good curability even at low temperatures such as room temperature, that imparts excellent transparency and resistance to yellowing to the resulting cured product, and that has excellent workability and handling in, e.g., overmolding. The curable hot-melt silicone composition comprises: (A) a resin-linear structure-containing organopolysiloxane block copolymer having a resinous organosiloxane block X containing a triorganosiloxane unit (MRA unit) having silicon atom-bound functional group (RA) containing an acrylic group or a methacrylic group, and a Q unit, and a chain organosiloxane block Y, and having at least two of the RA groups in the molecule; and (B) a radical polymerization initiator. Also provided are uses of the hot-melt type silicone composition.
C09J 7/35 - Adhésifs sous forme de films ou de pellicules caractérisés par la composition de l’adhésif activés par chauffage
C09J 5/06 - Procédés de collage en généralProcédés de collage non prévus ailleurs, p. ex. relatifs aux amorces comprenant un chauffage de l'adhésif appliqué
C09J 7/10 - Adhésifs sous forme de films ou de pellicules sans support
18.
DISPLAY DEVICE (IN PARTICULAR, HAPTIC DISPLAY DEVICE) AND DESIGN METHOD FOR SAME
The present disclosure relates to a display device having, between members, a pressure-sensitive adhesive layer having a maximum value of loss tangent tan δ (f) of 0.9 or more at 25° C. and a frequency f (Hz) of 100 to 300 Hz and a pressure-sensitive adhesive strength of 500 gf/inch or more as measured by a specific method. The display device of the present disclosure can improve the operability and reliability of a display device having a haptic function, and can provide sufficient close adhesion between members for practical use in the display device and sufficiently improve the reliability and durability thereof.
[Problem] The purpose of the present invention is provide a foam inhibitor composition that has excellent handleability and foam inhibition performance and makes it possible to minimize the amount of a fatty acid or salt thereof used in a concentrated transparent liquid detergent for household washing. [Solution] Provided are: a two-component foam inhibitor composition that comprises a specific fatty acid and a specific hydrocarbon oil that is liquid at 25°C at a mass ratio of 1:4–1:100, or a three-component foam inhibitor composition that comprises x) a specific fatty acid, y) a specific hydrocarbon oil that is liquid at 25°C, and z) a monool solvent at an x:(y+z) mass ratio of 1:3–1:100; and a concentrated transparent liquid detergent for household washing that includes the two-component foam inhibitor composition or the three-component foam inhibitor composition.
3/22/22/2 (R is a monovalent hydrocarbon group, and R' is a carboxylic acid-containing organic group) in the molecule; and a release agent composition for die casting containing the same (including oil dispersion and oil-in-water emulsion forms).
C08G 77/38 - Polysiloxanes modifiés par post-traitement chimique
B22C 3/00 - Emploi de compositions spécifiées pour revêtir les surfaces des moules, noyaux ou modèles
B22D 17/20 - AccessoiresCoulée sous pression ou moulage par injection, c.-à-d. moulage en introduisant le métal dans le moule sous haute pression Parties constitutives
C08G 77/14 - Polysiloxanes contenant du silicium lié à des groupes contenant de l'oxygène
An object of this disclosure is to provide a laminate body where an organopolysiloxane cured material film which is a dielectric layer is laminated onto an electrode layer or base material layer, in which the adhesion of the interface of the cured material film is improved and the problems of peeling and defects caused by lack of adhesive strength and insufficient tracking do not readily occur, as well as a use thereof and a manufacturing method. A curable organopolysiloxane composition for a transducer, containing at least: (A) a polysiloxane having a C═C type curable reactive group; (B1) a side chain SiH type organohydrogenpolysiloxane; (B2) a terminated SiH type organohydrogenpolysiloxane; (C) a hydrosilylation reaction catalyst; (D) a reinforcing filler; and (E) an adhesion imparting agent. A value of: px1={HB1/HB2}/{(HB1+HB2)/Vi} is within a range of 0.1 to 6.0.
C08G 77/20 - Polysiloxanes contenant du silicium lié à des groupes aliphatiques non saturés
B32B 27/28 - Produits stratifiés composés essentiellement de résine synthétique comprenant des copolymères de résines synthétiques non complètement couverts par les sous-groupes suivants
C08G 77/08 - Procédés de préparation caractérisés par les catalyseurs utilisés
C08G 77/12 - Polysiloxanes contenant du silicium lié à l'hydrogène
C08G 77/24 - Polysiloxanes contenant du silicium lié à des groupes organiques contenant des atomes autres que le carbone, l'hydrogène et l'oxygène groupes contenant des halogènes
A water repellent agent composition contains amino-modified silicone, a silicone resin, and alkylpolysiloxane. An amount of the alkylpolysiloxane mixed is 500 to 15,000 parts by mass with respect to 100 parts by mass of an amount of the amino-modified silicone mixed. A method for producing a water-repellent textile product includes a step of treating fibers with a treatment liquid including the water repellent agent composition.
C09D 5/00 - Compositions de revêtement, p. ex. peintures, vernis ou vernis-laques, caractérisées par leur nature physique ou par les effets produitsApprêts en pâte
D06M 13/513 - Composés avec au moins une liaison carbone-métal ou carbone-bore, carbone-silicium, carbone-sélénium ou carbone-tellure avec au moins une liaison carbone-silicium
D06M 15/643 - Composés macromoléculaires obtenus par des réactions autres que celles faisant intervenir uniquement des liaisons non saturées carbone-carbone contenant du silicium dans la chaîne principale
Provided is a composition or foam stabilizer which has sufficient quality and foam stability even when an inexpensive glycol ether compound is used as a raw material, and that has excellent foam-enhancing performance. The composition contains a specific polyether-polysiloxane block copolymer (A′) and a specific glycol ether compound (B′) at a mass ratio of (A′):(B′)=(20 to 60):(80 to 40) (wherein the total amount of (A′) and (B′) is 100. The composition further contains (K) a specific monovalent potassium salt in the range of 3 to 300 wt. ppm calculated as potassium atoms. A method for manufacturing the composition is also provided.
A UV-curable silicone composition having storage stability and sufficient rapid curability is provided. A resulting cured product of the UV-curable silicone composition has high extensibility, maintains a strong adhesive strength under high temperature and high humidity conditions, and in which discoloration (yellowing) is suppressed, as a curable silicone composition used in an optical display or the like. Also provided is an application of a cured product thereof (OCR or the like). The UV-curable silicone composition comprises (A) a chain-like organopolysiloxane having a specific methacryloyl group-containing organic group, (B) a monofunctional or polyfunctional acrylate compound, and (C) a photopolymerization initiator. The ratio [(a)/(b)] of (a) the number of mols of methacroyl groups and (b) the number of mols of acryloyl groups in the composition is in a range of 0.1 to 3.0.
C09J 151/08 - Adhésifs à base de polymères greffés dans lesquels le composant greffé est obtenu par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carboneAdhésifs à base de dérivés de tels polymères greffés sur des composés macromoléculaires obtenus autrement que par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone
25.
ELECTRONIC ARTICLE HAVING INTERLAYER ADHESIVE LAYER WITH DAMPING/SHOCK-ABSORPTION FUNCTION
An electronic article having an interlayer adhesive layer, of which a temperature at tan δ peak is below 35℃, and tan δ value at peak is greater than 1.0, as measured by a dynamic mechanical analysis rheometer using a parallel plate measuring system at 1 Hz. In the electronic article of this invention, said interlayer adhesive layer is arranged between two functional layers to bond or assemble said two functional layers with providing impact resistance to the electronic article as a damping/shock-absorption layer. Preferably, said electronic article of this invention is a display device.
H01L 21/00 - Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de dispositifs à semi-conducteurs ou de dispositifs à l'état solide, ou bien de leurs parties constitutives
C09J 183/07 - Polysiloxanes contenant du silicium lié à des groupes aliphatiques non saturés
A silicone-based pressure sensitive adhesive layer-forming composition comprising components (A) to (E): (A) a linear organopolysiloxane having alkenyl group in numbers greater than 1 on average per molecule; (B) an organopolysiloxane resin, wherein the total content of hydroxyl groups and hydrolysable groups with respect to all silicon atoms in the molecule is 2.0 mass% or less; (C) an organohydrogenpolysiloxane having at least two Si-H bonds in the molecule; (D) at least one of tetraalkoxysilane or a prepolymer thereof; and (E) a hydrosilylation reaction catalyst, wherein the mass ratio of component (B) to component (A) is within a range of 0.5 to 3.5, and the amount of component (D) based on total mass of components (A) to (C) is within a range of 0.1 to 9.0 mass %. The silicone-based pressure sensitive adhesive layer-forming composition can form a pressure sensitive adhesive layer which has excellent curability due to a hydrosilylation reaction, has improved adhesion force as well as lower Tg/modulus at lower temperature with softness properties.
C09J 7/25 - Matières plastiquesMatières plastiques métallisées à base de composés macromoléculaires obtenus par des réactions autres que celles faisant intervenir uniquement des liaisons non saturées carbone-carbone
[Problem] To provide: a curable silicone composition which can be cured rapidly at low temperatures, has excellent storage stability, and which forms, through curing, a relatively hard cured product that has less surface tackiness; a cured product of this curable silicone composition; and a use of this curable silicone composition. [Solution] A curable silicone composition is provided, which is characterized by comprising (A) an organopolysiloxane that has a curing-reactive functional group at an end of the molecule and is contained at a content within the range of 0.001-10% by mass, (B) an organohydrogen polysiloxane, (C) a hydrosilylation reaction catalyst and (D) a branched organopolysiloxane that is characterized by having more than 10% by mass of a curing-reactive functional group at an end of the molecule and containing 10% by mole or more of a branched siloxane unit in each molecule, in which the content of the component (D) is within the range of 0.1-5% by mass relative to the total amount of the components (A) to (D).
[Problem] To provide: a hot melt curable silicone composition which is useful as a material for a die attach film, with which an unwanted dicing tape can be easily separated after dicing from a surface of a semiconductor device in a semiconductor device production process, and which exhibits excellent gap filling properties between a semiconductor chip and a substrate and excellent bonding properties; a layered product obtained using said composition; and a method for producing a semiconductor device. [Solution] Provided is a curable silicone composition which is characterized by: containing (A) a specific organopolysiloxane resin or a mixture thereof, (B) a straight chain or branched chain organopolysiloxane which exhibits curing reaction properties and is liquid at 25ºC, (C) a prescribed curing agent and (D) fumed silica; the composition as a whole exhibiting hot melt properties; the mass ratio of component (A) relative to component (B) falling within the range 2.50-3.00; and the content of component (D) falling within the range 2.0-10 mass% relative to the total amount of components (A) to (D). Also provided is a use of said composition.
C08L 83/05 - Polysiloxanes contenant du silicium lié à l'hydrogène
C09J 11/04 - Additifs non macromoléculaires inorganiques
C09J 11/06 - Additifs non macromoléculaires organiques
C09J 183/07 - Polysiloxanes contenant du silicium lié à des groupes aliphatiques non saturés
H01L 21/52 - Montage des corps semi-conducteurs dans les conteneurs
H01L 21/301 - Traitement des corps semi-conducteurs en utilisant des procédés ou des appareils non couverts par les groupes pour subdiviser un corps semi-conducteur en parties distinctes, p. ex. cloisonnement en zones séparées
29.
RADICALLY POLYMERIZABLE POLYCAPROLACTONE-MODIFIED SILICONE COMPOUND, NOVEL SILICONE-POLYCAPROLACTONE COPOLYMER PARTICLES AND COSMETIC COMPOSITION USING SAME, AND OTHER USES
Provided is: a radically polymerizable polycaprolactone-modified silicone compound capable of forming novel silicone-polycaprolactone copolymer particles by means of radical polymerization using a single component; and a method for producing same. In addition, the present invention provides: silicone-polycaprolactone copolymer particles formed by the radical polymerization of said compound; uses thereof; and a method for producing same. [Solution] A radically polymerizable polycaprolactone-modified silicone compound having at least two modified polycaprolactone structures, which are represented by structural formula (1) {in the formula, n is a number in the range of 1-5, and Ra is a group selected from among a hydrogen atom and a (meth)acrylic end group}, in the molecule, and at least two (meth)acrylic end groups in the molecule; silicone-polycaprolactone copolymer particles made from same; uses thereof.
C08G 77/445 - Polymères séquencés ou greffés contenant des segments de polysiloxanes contenant des segments de polyesters
C08F 299/08 - Composés macromoléculaires obtenus par des interréactions de polymères impliquant uniquement des réactions entre des liaisons non saturées carbone-carbone, en l'absence de monomères non macromoléculaires à partir de polycondensats non saturés à partir de polysiloxanes
30.
RADICAL-POLYMERIZABLE POLYCARBONATE-MODIFIED SILICONE COMPOUND, NOVEL SILICONE/POLYCARBONATE COPOLYMER PARTICLES OBTAINED THEREFROM, AND COSMETIC COMPOSITION AND OTHER USES
[Problem] To provide a radical-polymerizable polycarbonate-modified silicone compound which by itself can form novel silicone/polycarbonate copolymer particles through radical polymerization, and a method for producing the compound. Further, provided are copolymer particles obtained by radical-polymerizing the compound, uses of the particles, and a method for producing the particles. [Solution] A radical-polymerizable polycarbonate-modified silicone compound having two or more polycarbonate structures represented by structural formula (1) (wherein x, y, and z are each a number in the range of 1-20 and Ra is a hydrogen atom or a group selected from among (meth)acryl-terminated groups) and having two or more (meth)acryl-terminated groups in the molecule; silicone/polycarbonate copolymer particles obtained from the compound as a raw material; and uses of the particles.
C08F 299/08 - Composés macromoléculaires obtenus par des interréactions de polymères impliquant uniquement des réactions entre des liaisons non saturées carbone-carbone, en l'absence de monomères non macromoléculaires à partir de polycondensats non saturés à partir de polysiloxanes
C08G 77/448 - Polymères séquencés ou greffés contenant des segments de polysiloxanes contenant des segments de polycarbonates
31.
REACTIVE GROUP-CONTAINING POLYCARBONATE COMPOUND, NEW SILICONE ELASTOMER PARTICLES USING SAME, COSMETIC MATERIAL COMPOSITION, AND OTHER USE APPLICATION
[Problem] To provide: a reactive group-containing polycarbonate compound from which it is possible to form silicone elastomer particles through a hydrosilylation reaction and a radical polymerization reaction; and a method for producing the compound. In addition, the present invention provides: silicone elastomer particles obtained by using said compound as a material; and a use application and a production method of the same. [Solution] The present invention pertains to: a reactive group-containing polycarbonate compound that has, in the molecule, two or more modified polycarbonate structures represented by structural formula (1) {in the formula, x and y each represent a number in the range of 0-18, n represents a number in the range of 0-30, and Ra represents a reactive group selected from (meth)acryl terminal groups and alkenyl terminal groups having 2-20 carbon atoms}; new silicone elastomer particles that have an inter silicon atom crosslink structure derived from the compound and that can provide excellent texture and use feeling to cosmetics; and usages thereof.
A61Q 1/12 - Poudres pour le visage ou le corps, p. ex. pour l'entretien, l'embellissement ou l'absorption
A61Q 17/04 - Préparations topiques pour faire écran au soleil ou aux radiationsPréparations topiques pour bronzer
C08F 299/04 - Composés macromoléculaires obtenus par des interréactions de polymères impliquant uniquement des réactions entre des liaisons non saturées carbone-carbone, en l'absence de monomères non macromoléculaires à partir de polycondensats non saturés à partir de polyesters
C08F 299/06 - Composés macromoléculaires obtenus par des interréactions de polymères impliquant uniquement des réactions entre des liaisons non saturées carbone-carbone, en l'absence de monomères non macromoléculaires à partir de polycondensats non saturés à partir de polyuréthanes
C08F 299/08 - Composés macromoléculaires obtenus par des interréactions de polymères impliquant uniquement des réactions entre des liaisons non saturées carbone-carbone, en l'absence de monomères non macromoléculaires à partir de polycondensats non saturés à partir de polysiloxanes
C08G 77/448 - Polymères séquencés ou greffés contenant des segments de polysiloxanes contenant des segments de polycarbonates
32.
THERMALLY-CONDUCTIVE SILICONE COMPOSITION, THERMALLY-CONDUCTIVE MEMBER, AND HEAT DISSIPATION STRUCTURE
A thermally conductive silicone composition comprises (A) 100 parts by mass of an alkenyl group-containing organopolysiloxane; (B) a mixture of components (B1) and (B2), where component (B1) is an organosilicon compound of 1 to 100 silicon atoms containing at least one phenylene structure and at least one silicon-bonded hydrogen atom per molecule, and component (B2) is an organohydrogenpolysiloxane containing an average of 2 to 4 silicon-bonded hydrogen atoms per molecule and having a viscosity of from 1 to 1,000 mPa·s at 25°C, but no phenylene structure in the molecule. The thermally conductive silicone composition further comprises (C) 400 to 3,500 parts by mass of a thermally conductive filler, and (D) a siloxane macromonemer, and (E) a catalytic amount of a hydrosilylation reaction catalyst. A thermally conductive member comprising the thermally conductive silicone composition is also provided.
Provided is a curable organopolysiloxane composition that has high thermal conductivity while suppressing a change in hardness of the cured material after heat aging, and that provides an organopolysiloxane cured material that can maintain flexibility and stress relaxation even when a thermally conductive member made of the cured materials is used at high temperature. The disclosure also relates to a thermally conductive member made of the composition and a heat dissipating structure using the member. The composition comprises: (A) an alkenyl group-containing organopolysiloxane, (B) an organohydrogen polysiloxane, (C) a thermally conductive filler in an amount of from 60 to 90% by volume, (D) at least one type selected from fatty acids, fatty acid esters, and fatty acid metal salts in an amount of from 0.05 to 2.00 parts by mass per 100 parts by mass of Component (C), (E) a hydrosilylation reaction catalyst, and (F) a heat resistance imparting agent.
H01M 10/653 - Moyens de commande de la température associés de façon structurelle avec les éléments caractérisés par des matériaux électriquement isolants ou thermiquement conducteurs
Provided is a UV curable composition containing a silicon atom, that allows easy adjustment of the mechanical properties of the molded product obtained by curing, and excellent workability when applied to a substrate, even as a solvent-free type. The UV curable composition comprises: (A) 5 to 95 parts by mass of a compound having one or more acryloxy group in a molecule; and (B) 95 to 5 parts by mass of one or more type of organopolysiloxane without a UV curable functional group selected from (B1) and (B2); (B1) organopolysiloxane having three or more alkenyl groups in one molecule and no UV curable functional groups; (B2) organopolysiloxane having two or more alkenyl groups in one molecule but not having a UV curable functional group. The composition is substantially free of organic solvents, and the viscosity of the entire-composition measured at 25° C. using an E-type viscometer is 500 mPa·s or less.
C09D 4/00 - Compositions de revêtement, p. ex. peintures, vernis ou vernis-laques, à base de composés non macromoléculaires organiques ayant au moins une liaison non saturée carbone-carbone polymérisable
C09D 5/00 - Compositions de revêtement, p. ex. peintures, vernis ou vernis-laques, caractérisées par leur nature physique ou par les effets produitsApprêts en pâte
35.
ULTRAVIOLET-RAY-CURABLE COMPOSITION AND USE THEREOF
Provided is a UV curable organopolysiloxane composition containing silicon atoms. A product obtained by curing the composition has low light transmittance in a predetermined UV wavelength range, and excellent workability when applied to a substrate. The UV curable composition of the present disclosure comprises: (S) 90 to 99.99 parts by mass of one or more of the following component (S1) or component (S2); (S1) an organopolysiloxane and/or organosilane having a UV curable functional group, (S2) a mixture containing (A) a compound with a UV curable functional group, with or without silicon atoms, and (B) an organopolysiloxane without a UV curable functional group, at a mass ratio of 5:95 to 95:5; and (C) 0.01 to 10 parts by mass of a UV absorbing compound. The total of component (S) and component (C) is 100 parts by mass.
C08F 220/18 - Esters des alcools ou des phénols monohydriques des phénols ou des alcools contenant plusieurs atomes de carbone avec l'acide acrylique ou l'acide méthacrylique
The present invention relates to a hydrosilylation-curable organopolysiloxane composition, comprising: an organopolysiloxane and organohydrogenpolysiloxane which form crosslinking through hydrosilylation reaction; a non-reactive organopolysiloxane resin exhibiting a mass decrease ratio of 2.0% by mass or less, when exposed at 200°C for one hour; and optionally a reaction product of an alkali metal silanolate and at least one type of cerium chloride and/or carboxylate. Said composition provides a cured product which: has a low elastic modulus and low stress and is excellent in strength, cold resistance, and transparency; moreover, as a result of the addition of a cerium compound, maintains these characteristics even under high-temperature conditions for a long period; and is not liable to cracks, exfoliation, etc. even in situations where, inter alia, a sharp temperature gradient is observed in the product.
Provided is a solid particle consisting essentially of organosilicon-functional co-polymer polymerized from a monomer composition consisting essentially of (A) one or more unsaturated polymerizable monomer (s) having at least one organosilicon functionality and one polymerizable group in the molecule and (B) one or more unsaturated polymerizable monomer (s) containing no or one silicon atom and having one polymerizable group in the molecule, wherein the mass ratio for said monomers (A) and (B) is in a range from 35: 65 to 70: 30 in said monomer composition, and the long size in three directions for the solid primary particle ranges from 0.1 to 5,000 μm. A manufacturing process of said solid particle, use of said solid particle as cosmetic ingredient, as well as a cosmetic composition comprising said solid particle and the production method thereof are also provided.
C08F 230/08 - Copolymères de composés contenant un ou plusieurs radicaux aliphatiques non saturés, chaque radical ne contenant qu'une seule liaison double carbone-carbone et contenant du phosphore, du sélénium, du tellure ou un métal contenant un métal contenant du silicium
C08L 51/08 - Compositions contenant des polymères greffés dans lesquels le composant greffé est obtenu par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carboneCompositions contenant des dérivés de tels polymères greffés sur des composés macromoléculaires obtenus autrement que par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone
38.
SHAPED SOLID PARTICLES COMPRISING THERMOPLASTIC COPOLYMER, PRODUCTION METHOD FOR SAME, AND COSMETIC INCLUDING SAME
[Abstract] The purpose of the present invention is to provide: shaped solid particles that comprise a thermoplastic copolymer that has silicon-containing organic groups, the shaped solid particles having excellent handling workability and solubility in solvents that are allowed in cosmetics and being mass-producible by means of an industrial production process; and a use and a production method for the shaped solid particles. [Solution] The present invention provides shaped solid particles that comprise a thermoplastic copolymer obtained by copolymerization of (a1) an unsaturated monomer that has one radical-polymerizable organic group and silicon-containing organic groups in the molecule thereof and (a2) an unsaturated monomer that is different from component (a1) and has one radical-polymerizable vinyl group in the molecule thereof, the long diameter of the shaped solid particles being less than 10 mm. The present invention also provides a use for the shaped solid particles and a production method for the shaped solid particles that includes a strand formation step and a cutting step.
Provided is a UV curable composition containing a silicon atom, wherein a product obtained by curing the composition has excellent flexibility and excellent workability when applied to a substrate. The UV curable composition of the present disclosure comprises: (A) one or more organopolysiloxane with three or more silicon atoms and having, on average, two or more UV curable functional groups in a molecule; and (B) one or more organosilicon compound having one UV curable functional group in a molecule. The composition is substantially free or an organic solvent. In addition, the viscosity of the entire composition measured at 25° C. using an E-type viscometer is 80 mPa·s or less.
C09D 183/08 - Polysiloxanes contenant du silicium lié à des groupes organiques contenant des atomes autres que le carbone, l'hydrogène et l'oxygène
C08G 77/00 - Composés macromoléculaires obtenus par des réactions créant dans la chaîne principale de la macromolécule une liaison contenant du silicium, avec ou sans soufre, azote, oxygène ou carbone
C08G 77/14 - Polysiloxanes contenant du silicium lié à des groupes contenant de l'oxygène
H01B 3/46 - Isolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques matières plastiquesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques résinesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques cires silicones
An organopolysiloxane composition is disclosed. The organopolysiloxane composition of includes at least (A) an organopolysiloxane expressed by an average unit formula, having a silicon-bonded hydroxyl group, (B) an organopolysiloxane expressed by an average unit formula, which is different from compound (A), and (C) a compound having at least two functional groups selected from ether bonds, ester bonds, and alkoxysilyl groups expressed by a formula, in one molecule. The amount of compound (A) is 2 to 70 mass % of the sum of component (A) and component (B). The amount of component (C) is an amount where the sum of functional groups in component (C) is 0.05 mols or more with regard to 1 mol of silicon-bonded hydroxyl groups in component (A). The composition has sufficient thixotropic properties, independent of inorganic powders such as fumed silica, precipitated silica, alumina, titanium oxide, and the like.
C08G 77/20 - Polysiloxanes contenant du silicium lié à des groupes aliphatiques non saturés
C08G 77/00 - Composés macromoléculaires obtenus par des réactions créant dans la chaîne principale de la macromolécule une liaison contenant du silicium, avec ou sans soufre, azote, oxygène ou carbone
C08G 77/12 - Polysiloxanes contenant du silicium lié à l'hydrogène
C08G 77/16 - Polysiloxanes contenant du silicium lié à des groupes contenant de l'oxygène à des groupes hydroxyle
C08G 77/18 - Polysiloxanes contenant du silicium lié à des groupes contenant de l'oxygène à des groupes alcoxyle ou aryloxyle
41.
CURABLE ORGANOPOLYSILOXANE COMPOSITION AND LAYERED PRODUCT
22=CH-) in the alkenyl groups in component (B) being 0.1-0.3 mass%; (C) an organohydrogenpolysiloxane having at least two silicon atom-bonded hydrogen atoms per molecule; and (D) a hydrosilylation reaction catalyst.
C08L 83/07 - Polysiloxanes contenant du silicium lié à des groupes aliphatiques non saturés
B32B 27/00 - Produits stratifiés composés essentiellement de résine synthétique
C08L 83/05 - Polysiloxanes contenant du silicium lié à l'hydrogène
C09D 5/20 - Compositions de revêtement, p. ex. peintures, vernis ou vernis-laques, caractérisées par leur nature physique ou par les effets produitsApprêts en pâte pour revêtements pelables sous forme de films cohérents, p. ex. revêtements pelables temporaires sous forme de films cohérents
C09D 183/05 - Polysiloxanes contenant du silicium lié à l'hydrogène
C09D 183/07 - Polysiloxanes contenant du silicium lié à des groupes aliphatiques non saturés
Provided is an organopolysiloxane compound serving as a raw material of an organopolysiloxane pressure-sensitive adhesive which has necessary and sufficient pressure-sensitive adhesive strength in a step such as temporary fixing or the like and can be easily peeled off from a substrate in a subsequent step; an organopolysiloxane pressure-sensitive adhesive composition containing the same; and a method for using the same. A chain co-modified organopolysiloxane containing a silicon-bonded functional group (RA) that contains a specific (meth)acrylic group and at least one aliphatic unsaturated carbon-carbon bond (RVi) (but excluding the functional group serving as RA above); a curable organopolysiloxane composition containing the same, further containing a crosslinking agent, a hydrosilylation reaction catalyst, and a photo-radical polymerization initiator, and having both heat curability and photo-curability.
C08G 77/08 - Procédés de préparation caractérisés par les catalyseurs utilisés
C08G 77/12 - Polysiloxanes contenant du silicium lié à l'hydrogène
C08G 77/20 - Polysiloxanes contenant du silicium lié à des groupes aliphatiques non saturés
C08G 77/38 - Polysiloxanes modifiés par post-traitement chimique
C09J 5/06 - Procédés de collage en généralProcédés de collage non prévus ailleurs, p. ex. relatifs aux amorces comprenant un chauffage de l'adhésif appliqué
43.
ALKALI-SOLUBLE UV-CURABLE SILICON-CONTAINING STRAIGHT-CHAIN POLYMER, UV-CURABLE COMPOSITION CONTAINING SAME, AND USE THEREFOR
[Problem] To provide: a UV-curable straight-chain polymer which has high UV curability and good alkali solubility even without using a polyfunctional polymerizable monomer, and the cured product (cured film) of which has sufficient mechanical strength and good transparency; and a UV-curable composition containing the same. [Solution] The present invention provides: a UV-curable straight-chain polymer having, in a repeating unit, two (meth)acrylate groups, two carboxyl groups, and at least two silicon atoms, and having solubility with respect to an aqueous alkali solution in terms of the entire polymer; and a UV-curable composition containing said UV-curable straight-chain polymer.
C08G 63/695 - Polyesters contenant des atomes autres que le carbone, l'hydrogène et l'oxygène contenant du silicium
C08F 299/08 - Composés macromoléculaires obtenus par des interréactions de polymères impliquant uniquement des réactions entre des liaisons non saturées carbone-carbone, en l'absence de monomères non macromoléculaires à partir de polycondensats non saturés à partir de polysiloxanes
Provided is an organopolysiloxane compound serving as a raw material of an organopolysiloxane pressure-sensitive adhesive which has necessary and sufficient pressure-sensitive adhesive strength in a step such as temporary fixing or the like and can be easily peeled off from a substrate in a subsequent step; an organopolysiloxane pressure-sensitive adhesive composition containing the same; and a method for using the same. A chain co-modified organopolysiloxane containing a specific functional group having a (meth)acryl group (RA) and a functional group having an alcoholic hydroxyl group (ROH), wherein the amount of RA is in the range of 0.10 to 10.0 mol % with regard to all silicon atom-bonded functional groups in the molecule, and the average amount of ROH is in a range of 0.1 to 1.0 moles per mole of RA.
C08G 77/26 - Polysiloxanes contenant du silicium lié à des groupes organiques contenant des atomes autres que le carbone, l'hydrogène et l'oxygène groupes contenant de l'azote
C08G 77/38 - Polysiloxanes modifiés par post-traitement chimique
C09J 183/08 - Polysiloxanes contenant du silicium lié à des groupes organiques contenant des atomes autres que le carbone, l'hydrogène et l'oxygène
45.
CONDUCTIVE PILLAR MODULE PRECURSOR FOR MANUFACTURING SEMICONDUCTOR, CONDUCTIVE PILLAR MODULE FOR MANUFACTURING SEMICONDUCTOR, SEMICONDUCTOR OR SEMICONDUCTOR PRECURSOR, AND METHOD FOR MANUFACTURING SAME
Conventionally, it was not possible to obtain a conductive pillar module that is for manufacturing a semiconductor, that can be used for laying a secondary wiring on a substrate of a flip chip package and forming a redistribution layer (RDL) in a chip-last (RDL-first) package, and that does not use a lithographic technique. Provided are: a conductive pillar module precursor that is for manufacturing a semiconductor, that has a structure in which a conductive pillar member is carried by a sheet-like cured resin, and that has durability, stress relaxation properties, and sufficient adhesiveness to a substrate; a semiconductor or a semiconductor precursor; and methods for manufacturing the same.
H01L 21/60 - Fixation des fils de connexion ou d'autres pièces conductrices, devant servir à conduire le courant vers le ou hors du dispositif pendant son fonctionnement
H01B 1/22 - Matériau conducteur dispersé dans un matériau organique non conducteur le matériau conducteur comportant des métaux ou des alliages
H01L 23/12 - Supports, p. ex. substrats isolants non amovibles
46.
PRESSURE SENSITIVE ADHESIVE LAYER-FORMING ORGANOPOLYSILOXANE COMPOSITION, USE OF SAME, AND COMPOSITION DESIGN METHOD FOR SAME
The pressure-sensitive adhesive layer forming organopolysiloxane composition of this disclosure is hydrosilylation reaction curable, wherein 1 mass % or more of a resin component is (b2) an organopolysiloxane resin having a weight average molecular weight (Mw) as measured in terms of standard polystyrene by GPC using toluene that is less than 4000, and the value obtained by dividing Tg+120(° C.) of the pressure-sensitive adhesive layer obtained by curing by Tg′+120(° C.) of the composition (pressure-sensitive adhesive layer), in which component (b2) is substituted by a resin with Mw 4000 or higher is less than 1.0. When used as a pressure-sensitive adhesive layer and when a specific resin component/polymer component ratio is selected to achieve a pressure-sensitive adhesive strength, the glass transition temperature (Tg) of the pressure-sensitive adhesive layer can be further reduced, resulting in a strong pressure-sensitive adhesive force and a low Tg at the same time.
[Problem] To provide: a curable organopolysiloxane composition from which an organopolysiloxane cured product having viscoelastic properties (particularly, reversion characteristics after deformation by an external stress) that are particularly suitable for a dielectric layer for transducers; and a use of this curable organopolysiloxane composition. [Solution] Provided are: a curable organopolysiloxane composition for transducers, the curable organopolysiloxane composition comprising (a) a linear organopolysiloxane having a weight average molecular weight (Mw(a)) of less than 8.0 × 104×1×1b1b2b1b2×1b1b2)b2) respectively represent the substance amounts of Si-H in the components (b1) and (b2) and Vi represents the substance amount of a curing-reactive group in the component (a); and a use of the curable organopolysiloxane composition.
[Problem] To provide: an electrode-layer-forming composition that can be utilized in a substantially solvent-free process, that can be applied to a variety of steps, including an electrode printing step (printing), that can render the electrode layer obtained solvent-free, that has extremely excellent adhesiveness to a dielectric layer, conformability, and shape retentivity, that does not tend to cause problems of electrode layer separation or defects even when utilized in a transducer, and that can form an electrode layer endowed with viscoelastic properties adequate for practical use; a laminate; and the use and method for production thereof. [Solution] An electrode-layer-forming curable organopolysiloxane composition containing a curing-reactive organopolysiloxane and (E) conductive fine particles, in which the sum of the contents of organic solvents is less than 0.1 mass% relative to the entire composition, and the use thereof.
Provided is a silicon-atom-containing UV-curable composition that has exceptional workability when applied to a substrate and that, being cured, yields a product having exceptional mechanical properties and low outgassing characteristics. This UV-curable composition is characterized by containing (A) one or more organopolysiloxanes or organosilanes having an average of more than one cationic polymerizable functional group per molecule, (B) a compound that releases a basic substance upon being heated at 60-200°C, and (C) a photoacid generator, the composition containing substantially no organic solvent, and the viscosity of the overall composition as measured at 25°C using a type E viscometer being 500 mPa∙s or less.
C08G 59/30 - Composés diépoxydés contenant des atomes autres que le carbone, l'hydrogène, l'oxygène et l'azote
C08G 59/68 - Macromolécules obtenues par polymérisation à partir de composés contenant plusieurs groupes époxyde par molécule en utilisant des agents de durcissement ou des catalyseurs qui réagissent avec les groupes époxyde caractérisées par les catalyseurs utilisés
C08L 63/00 - Compositions contenant des résines époxyCompositions contenant des dérivés des résines époxy
C09D 163/00 - Compositions de revêtement à base de résines époxyCompositions de revêtement à base de dérivés des résines époxy
H01B 3/40 - Isolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques matières plastiquesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques résinesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques cires résines époxy
50.
CURABLE ORGANOPOLYSILOXANE COMPOSITION FOR FORMING ELECTRODE LAYER, MULTILAYER BODY COMPRISING ELECTRODE LAYER, USE OF SAME AND METHOD FOR PRODUCING SAME
[Problem] To provide: a composition for forming an electrode layer, the composition being capable of forming, through a curing reaction, an electrode layer which has a low temperature dependence of the viscoelasticity, while exhibiting extremely excellent adhesion and conformability to a dielectric layer and extremely excellent shape retainability, and which is not susceptible to separation and defects even if used in a transducer, and has practically sufficient viscoelastic characteristics; a multilayer body; use of the multilayer body; and a method for producing the multilayer body. [Solution] A curable organopolysiloxane composition for forming an electrode layer, the curable organopolysiloxane composition containing (A) a chain organopolysiloxane which has, at least at both molecular chain ends, curing-reactive functional groups each having a carbon-carbon double bond, (B) an MQ-type organopolysiloxane resin which has a weight average molecular weight of 5,000 or more in terms of standard polystyrene, and (E) conductive fine particles such as single-walled carbon nanotubes (SWCNT), wherein the content of component (B) in the composition is less than 45% by mass relative to the entirety of the composition.
C08L 83/05 - Polysiloxanes contenant du silicium lié à l'hydrogène
51.
HOT MELT TYPE ORGANOPOLYSILOXANE COMPOSITION FOR FORMING ELECTRODE LAYER, MULTILAYER BODY COMPRISING ELECTRODE LAYER, USE OF SAME AND METHOD FOR PRODUCING SAME
[Problem] To provide: a composition for forming an electrode layer, the composition being able to be applied by a hot melt process and being capable of forming an electrode layer which exhibits extremely excellent adhesion and followability to a dielectric layer and extremely excellent shape retainability, and which has practically sufficient viscoelastic characteristics and is not susceptible to separation and defects even if used in a transducer; a multilayer body; use of the multilayer body; and a method for producing the multilayer body. [Solution] A hot melt type organopolysiloxane composition for forming an electrode layer, the hot melt type organopolysiloxane composition containing (A) a chain organopolysiloxane, (B) an MQ-type organopolysiloxane resin which has a weight average molecular weight of 5,000 or more in terms of standard polystyrene, and (E) conductive fine particles, and being non-fluid at 25°C, while having heat fusibility, wherein the content of the component (B) in the composition is 45% by mass or more relative to the entirety of the composition.
31/2a22/2b3/2c4/2d1/2ee (1) (in the formula, R is a group selected from a monovalent hydrocarbon group, an alkoxy group, a hydroxyl group, an epoxy group-containing group, and a phenolic hydroxyl group-containing group, 0 ≤ a, 0 ≤ b, 0 < c, 0 ≤ d, 0 ≤ e, 0.8 ≤ c/(a + b + c + d + e), having at least one phenolic hydroxyl-group-containing group in the molecule), that has a weight average molecular weight of 4,500 or less, a polydispersity of 1.3 or less, and that preferably has a cage-like molecular structure, and use of the same.
C08G 77/16 - Polysiloxanes contenant du silicium lié à des groupes contenant de l'oxygène à des groupes hydroxyle
C08G 77/28 - Polysiloxanes contenant du silicium lié à des groupes organiques contenant des atomes autres que le carbone, l'hydrogène et l'oxygène groupes contenant du soufre
C08G 77/38 - Polysiloxanes modifiés par post-traitement chimique
H01B 3/46 - Isolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques matières plastiquesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques résinesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques cires silicones
53.
CURABLE BRANCHED ORGANOPOLYSILOXANE, HIGH ENERGY RAY-CURABLE COMPOSITION CONTAINING SAME, AND USE THEREOF
31/2a22/2b3/2c4/2d1/2ee (wherein: R is a group selected from among a monovalent hydrocarbon group, an alkoxy group, a hydroxyl group and a phenolic hydroxyl group-containing group; 0≦a, 0≦b, 0
C08G 77/16 - Polysiloxanes contenant du silicium lié à des groupes contenant de l'oxygène à des groupes hydroxyle
C08G 77/28 - Polysiloxanes contenant du silicium lié à des groupes organiques contenant des atomes autres que le carbone, l'hydrogène et l'oxygène groupes contenant du soufre
C08G 77/38 - Polysiloxanes modifiés par post-traitement chimique
C08L 83/08 - Polysiloxanes contenant du silicium lié à des groupes organiques contenant des atomes, autres que le carbone, l'hydrogène et l'oxygène
C09D 5/25 - Peintures ou laques électriquement isolantes
C09D 7/63 - Adjuvants non macromoléculaires organiques
C09D 183/06 - Polysiloxanes contenant du silicium lié à des groupes contenant de l'oxygène
C09D 183/08 - Polysiloxanes contenant du silicium lié à des groupes organiques contenant des atomes autres que le carbone, l'hydrogène et l'oxygène
H01B 3/46 - Isolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques matières plastiquesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques résinesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques cires silicones
[Problem] To provide an ultraviolet-curable composition containing silicon atoms, wherein the ultraviolet-curable composition has a high ability to adjust the mechanical properties of the cured product thereof, and has excellent workability and high adhesion to a substrate even for solvent-free application. [Solution] The invention provides an ultraviolet-curable composition and a use thereof. The ultraviolet-curable composition contains: (A) 1-99 parts by mass of a compound having at least one (meth)acryloxy group and hydroxyl group in one molecule and having no silicon atom; (B) 1-99 parts by mass of an organopolysiloxane having at least two alkenyl groups in one molecule and having no ultraviolet-curable functional group; and (C) 0-80 parts by mass of a compound having at least one (meth)acryloxy group in the molecule and having no hydroxyl group, on the basis of 100 parts by mass of the total mass of the composition, and contains substantially no organic solvent in the composition.
C09D 5/00 - Compositions de revêtement, p. ex. peintures, vernis ou vernis-laques, caractérisées par leur nature physique ou par les effets produitsApprêts en pâte
C09D 183/07 - Polysiloxanes contenant du silicium lié à des groupes aliphatiques non saturés
[Problem] To provide a silicon-atom-containing ultraviolet-curable composition which ensures high regulation ability for the mechanical properties of products to be obtained by curing the composition and which, although being of a solvent-free type, has excellent applicability to substrates. [Solution] Provided are: an ultraviolet-curable composition characterized by containing, with respect to 100 parts by mass of the total mass of the composition, (A) 1-99 parts by mass of a compound having one or more (meth)acryloxy groups in one molecule and (B) 99-1 parts by mass of an organopolysiloxane having two or more alkenyl groups and at least one C6-C20 aromatic hydrocarbon group in one molecule and not having an ultraviolet-curable functional group, wherein an organic solvent is not substantially contained in the composition; and a use thereof.
C09D 5/00 - Compositions de revêtement, p. ex. peintures, vernis ou vernis-laques, caractérisées par leur nature physique ou par les effets produitsApprêts en pâte
C09D 183/07 - Polysiloxanes contenant du silicium lié à des groupes aliphatiques non saturés
[Problem] To provide a multi-part sponge-forming silicone rubber composition which has excellent storage stability and is agitated to form a sponge having fine and uniform open cells. [Solution] Provided is a multi-part composition comprising a liquid preparations I to III and is agitated to form a composition comprising (A) an organopolysiloxane having at least two alkenyl groups per molecule, (B) an organopolysiloxane having at least two silicon-atom-bonded hydrogen atoms per molecule, (C) water, (D) a thickening agent, (E) a surfactant, (F) a silica micropowder, (G) an organosiloxane oligomer having a silicon-atom-bonded hydroxyl group, and (H) a hydroxylation reaction catalyst, in which the liquid preparation I contains the components (A) and (H) but does not contain the component (B), the liquid preparation II contains the component (B) but does not contain the component (H), the liquid preparation III contains the components (C) and (D) but does not contain the components (B) and (H) simultaneously, and any one of the liquid preparations I and II each containing the components (E) and (F) further contains the component (G).
C08J 9/28 - Mise en œuvre de substances macromoléculaires pour produire des matériaux ou objets poreux ou alvéolairesLeur post-traitement par élimination d'une phase liquide d'un objet ou d'une composition macromoléculaire, p. ex. par séchage du coagulum
C08L 83/05 - Polysiloxanes contenant du silicium lié à l'hydrogène
C08L 83/06 - Polysiloxanes contenant du silicium lié à des groupes contenant de l'oxygène
C08L 83/07 - Polysiloxanes contenant du silicium lié à des groupes aliphatiques non saturés
57.
Oil compound for silicone-based defoaming agents, method for producing same, and defoaming agent containing oil compound for silicone-based defoaming agents
2/g or more: 2 to 10 parts by mass; where the total amount of (A) and (B) combined is 100 parts by mass. Also provided is a method for manufacturing the silicone based anti-foaming agent oil compound.
C10M 161/00 - Compositions lubrifiantes caractérisées en ce que l'additif est un mélange d'un composé macromoléculaire et d'un composé non macromoléculaire, chacun de ces composés étant un composé essentiel
B01D 19/04 - Dispersion ou prévention de la mousse par addition de substances chimiques
C10M 125/26 - Composés contenant du silicium ou du bore, p. ex. silice, sable
[Problem] To provide: a curable silicone composition having UV-light delayed curability, transparency, and low yellowing under high temperature conditions, and being capable of exhibiting high adhesive strength even to a base material, such as a polarizing plate including a hard coat layer on the surface thereof, that exhibits low adhesive strength/poor adhesion; and an application of said curable silicone composition. [Solution] Provided are: a curable silicone composition containing (A) organopolysiloxane having an alkenyl group, (B) (b1) linear polysiloxan having a SiH molecular chain end and (b2) polysiloxane having three or more silicon-bonded hydrogen atoms, (C) (c1) a compound having two or more alkoxysilyl groups in one molecule and (c2) one or more organic compounds selected from organic compounds having an alkoxysilyl group and an epoxy group in one molecule, and (D) a photoactive platinum group metal catalyst, the SiH/Vi ratio of the curable silicone composition being 1 or greater and the photoactive platinum group metal catalyst content of the component (D) being within a range of 15 ppm or less in terms of solid content; and an application of said curable silicone composition.
Provided is an integrated dicing die bonding sheet having excellent storage stability and stress relaxation properties, having no problems such as chip flying, chipping, cracking, and the like during a dicing process, and having excellent production efficiency; and a method of manufacturing a semiconductor device (particularly including a MEMS device) using the same. An integrated dicing die bonding sheet including a base film, and a silicone-based adhesive sheet having an adhesive surface adhered to the semiconductor wafer, wherein at a stage after dicing the semiconductor wafer and prior to heating, the base film can be interfacially peeled from the silicone-based adhesive sheet, and after the adhesive surface is heated within a range of 50 to 200° C., a peeling mode of the adhesive surface from another non-pressure-sensitive adhesive base material changes to cohesive failure, exhibiting permanent adhesion.
H01L 21/683 - Appareils spécialement adaptés pour la manipulation des dispositifs à semi-conducteurs ou des dispositifs électriques à l'état solide pendant leur fabrication ou leur traitementAppareils spécialement adaptés pour la manipulation des plaquettes pendant la fabrication ou le traitement des dispositifs à semi-conducteurs ou des dispositifs électriques à l'état solide ou de leurs composants pour le maintien ou la préhension
B81C 1/00 - Fabrication ou traitement de dispositifs ou de systèmes dans ou sur un substrat
B81C 99/00 - Matière non prévue dans les autres groupes de la présente sous-classe
C09J 7/35 - Adhésifs sous forme de films ou de pellicules caractérisés par la composition de l’adhésif activés par chauffage
C09J 11/06 - Additifs non macromoléculaires organiques
C09J 183/10 - Copolymères séquencés ou greffés contenant des séquences de polysiloxanes
H01L 23/00 - Détails de dispositifs à semi-conducteurs ou d'autres dispositifs à l'état solide
Provided is a silicone anti-foaming agent composition that not only has superior anti-foaming speed but also in which anti-foaming performance is not reduced even when used repeatedly or over a long period. The composition comprises: a polyorganosiloxane polymer crosslinked product having a polyoxyalkylene group, which includes: moiety structure (I): -R1-(R22SiO)d-R1(where R1 represents an alkylene group bonded to a silicon atom on the polysiloxane chain, R2 represents a monovalent hydrocarbon group, and d is 200 to 1000); and moiety structure (II): —(CeH2e)—O—(EO)x-(PO)y-(BO)z-R3 (where a single bond on the left end is bonded to a silicon atom on the polysiloxane chain, R3 represents a hydrogen atom, an alkyl group, an aryl group or an acyl group, e is 2 to 10, (x+y+z) is 40 to 100, x is 15 to 50, y is 15 to 50, and z is 0 to 50).
B01D 19/04 - Dispersion ou prévention de la mousse par addition de substances chimiques
C08G 77/46 - Polymères séquencés ou greffés contenant des segments de polysiloxanes contenant des segments de polyéthers
C10M 125/26 - Composés contenant du silicium ou du bore, p. ex. silice, sable
C10M 161/00 - Compositions lubrifiantes caractérisées en ce que l'additif est un mélange d'un composé macromoléculaire et d'un composé non macromoléculaire, chacun de ces composés étant un composé essentiel
C10M 173/02 - Compositions lubrifiantes contenant plus de 10% d'eau ne contenant pas d'huiles minérales ou grasses
61.
NOVEL SILICONE ELASTOMER PARTICLES, AND COSMETIC COMPOSITION AND OTHER APPLICATIONS
Provided are silicone elastomer particles that have higher oil absorbency than conventional products and are less prone to aggregation, making the particles superior in handling workability as a cosmetic raw material and imparting a superior tactile sensation and feel during use to a cosmetic product. Specifically, silicone elastomer particles, having a structure in which at least two silicon atoms in a silicone elastomer particle are crosslinked by a divalent organic group having a partial structure formed by radical polymerization of vinyl acetate, as expressed by —{CH2—CH(COOCH3)}t— (where t is 1 or more), as well as a use thereof, are provided. In particular, the silicone elastomer particles have a crosslinked structure that is active with respect to biodegradability. Therefore, primary particles thereof are expected to have a property of disintegrating with the generation of non-crosslinked siloxane molecules due to a decomposition reaction of microorganisms and the like in the natural world.
Provided is a composition with a viscosity in which coating is possible even with a small amount of solvent, has excellent curability, and in which an Si-based pressure-sensitive adhesive (PSA) (e.g., PSA layer) formed by a curing reaction has a low (e.g., 50° C. or lower) glass transition temperature (Tg) despite having high PSA strength and tack, has favorable wettability, and has favorable mechanical strength and elongation; and an application of the same. A low/solvent-free silicone PSA composition comprises: (A) a chain organopolysiloxane having an aliphatic unsaturated carbon-carbon bond-containing group only on a molecular chain end, (B) a straight-chain organohydrogenpolysiloxane having Si—H only on both ends, (C) an organopolysiloxane resin with a weight average molecular weight that is less than 5000, (D) an organopolysiloxane having one or more aliphatic unsaturated carbon-carbon bond-containing groups at locations other than an end and three or more in a molecule, and (E) a hydrosilylation-reaction catalyst.
Provided is a monomer composition for which there is little to no concern about safety when used as a raw material or the like in a cosmetic material and that does not cause deterioration in quality such as gelation or the like. A method for manufacturing the monomer composition is also provided. A monomer composition containing a radical polymerizable monomer having a radical polymerizable organic group and an organosilicon-containing organic group in a molecule, wherein a total concentration of a polymerization inhibitor based on a total mass of the radical polymerizable monomer and the polymerization inhibitor is 130 ppm by mass or less.
C08F 30/08 - Homopolymères ou copolymères de composés contenant un ou plusieurs radicaux aliphatiques non saturés, chaque radical ne contenant qu'une seule liaison double carbone-carbone et contenant du phosphore, du sélénium, du tellure ou un métal contenant un métal contenant du silicium
A61K 8/893 - Polysiloxanes saturés, p. ex. diméthicone, phényl triméthicone, C24-C28 méthicone, stéaryl diméthicone modifiés par un groupe alkoxyle ou aryloxyle, p. ex. béhénoxy diméthicone, stéaroxy diméthicone
A61Q 19/00 - Préparations pour les soins de la peau
C07F 7/08 - Composés comportant une ou plusieurs liaisons C—Si
64.
CURABLE SILICONE COMPOSITION, CURED PRODUCT OF SAME, AND LAMINATE
Provided is a curable silicone composition with hot-melt properties, cured product thereof, and use thereof where organic solvent is essentially not used, in which curing using a relatively small amount of condensation reaction catalyst is feasible, side reactions before and after the curing reaction are suppressed, curing at high speed is feasible by providing favorable melt curability, and where the cured product thereof includes practically sufficient adhesive properties and mechanical characteristics. Providing a condensation reactive organopolysiloxane resin with hot-melt properties and a condensation reaction catalyst containing mixture including a condensation reaction catalyst that is liquid at 25° C. (suitably a volatile superbasic substance such as DBU) and liquid organopolysiloxane at a specific ratio, a curable silicone composition with hot-melt properties, and use of the cured product thereof. The composition may further contain solid particles such as functional filler providing a product with a functional member such as an optical member.
C08J 3/20 - Formation de mélanges de polymères avec des additifs, p. ex. coloration
B32B 17/10 - Produits stratifiés composés essentiellement d'une feuille de verre ou de fibres de verre, de scorie ou d'une substance similaire comprenant du verre comme seul composant ou comme composant principal d'une couche adjacente à une autre couche d'une substance spécifique de résine synthétique
Provided is a method of manufacturing a laminate body using a hot-melt curable silicone composition that is compatible with liquid dispensing by a dispenser, has excellent controllability of reaction due to suppressed curing reactivity at the dispensing temperature, wherein the curable silicone composition can be cured at high speed after dispensing. A method of manufacturing a laminate body, including a step of: dispensing a curable silicone composition having hot-melt properties as a whole, a melt viscosity at 100° C. (measured by a flow tester) of 50 Pa·s or less, and curable by irradiation with a high energy beam in a form filled in a dispensing cartridge onto a portion or all of a surface of at least one substrate; and optionally irradiating the composition with a high energy beam to cure the composition.
C09J 5/06 - Procédés de collage en généralProcédés de collage non prévus ailleurs, p. ex. relatifs aux amorces comprenant un chauffage de l'adhésif appliqué
C08G 77/12 - Polysiloxanes contenant du silicium lié à l'hydrogène
C08G 77/20 - Polysiloxanes contenant du silicium lié à des groupes aliphatiques non saturés
Provided is a hot-melt curable silicone composition with excellent hot dispensing properties and storage stability, which can be cured by triggering an external energy stimulus, and which provides excellent adhesive and mechanical properties to the cured product, and applications thereof. A curable silicone composition, including in a specific mass % range, comprises: (A) a non-hot-melt solid organopolysiloxane resin mixture; (B) a linear organopolysiloxane that is liquid at 25° C. having the same curing reactive functional group; (C) an organohydrogen polysiloxane; and (D) a hydrosilylation reaction catalyst that is inert at room temperature but is activated by an external energy stimulus. The whole composition has hot-melt properties, and the melt viscosity (flow tester measurement) at 100° C. is 50 Pa·s or less. A cured product thereof, and use in semiconductor applications and the like, is also provided. The composition is particularly suitable for use as an adhesive or sealing agent in hot dispensing applications.
31/2a22/2b3/2c4/2dd. In the formula, R is a monovalent hydrocarbon group or the like, A is a group selected from among a similar group to R and a group M1or the like, which is represented by formula (21) (in the formula, R1is a divalent hydrocarbon group having 2 to 6 carbon atoms, X is a hydroxyl group, Z is a monovalent group represented by -OR3(in the formula, R3is an acid-dissociable group), m1 is a number within the range 1-3, and k is a number within the range 0-3), at least one A is M1, and a, b, c and d satisfy the conditions: 0 ≤ a, 0 ≤ b, 0 < (a+b), and 0 < (c+d).
31/2a22/2b3/2c4/2dd (wherein R represents a monovalent hydrocarbon group or the like; each A represents a group that is selected from among a similar group as R, a specific phenolic hydroxyl group-containing organic group M1and a specific carboxylic acid-containing organic group M2; at least one A is M1; at least one A is M2; and a, b, c and d satisfy the following conditions 0 ≤ a, 0 ≤ b, 0 < (a + b) and 0 < (c + d)); and a use of this co-modified branched organopolysiloxane.
31/2a22/2b3/2c4/2dd (1') (in the formula, R is a monovalent hydrocarbon group, etc., D each independently is the same group as R, at least one of all D is a hydrogen atom, and a, b, c, and d are numbers that satisfy the following conditions: 0 ≤ a, 0 ≤ b, 0 < (a + b), and 0 < (c + d).). The production method may also have a step that introduces a carboxylic acid-containing organic group into the molecule by reacting a phenolic hydroxyl group-containing organic group and an acid anhydride.
[Problem] To provide a light-diffusing silicone composition with which separation of a spherical inorganic light-diffusing agent by sedimentation is suppressed over a long period and which can be cured by an organohydrogen polysiloxane in the presence of a catalyst for hydrosilylation reactions when an organopolysiloxane has a silicon atom-bonded alkenyl group and which forms a cured product having excellent light diffusion and heat resistance properties. [Solution] A light-diffusing silicone composition containing (A) an organopolysiloxane having a viscosity of 100 to 1,000,000 mPa⋅s at 25°C, (B) a spherical inorganic light-diffusing agent having an average particle size of 1 to 10 μm, and (C) a silica filler having a BET specific surface area of at least 50 m2/g, wherein the (C) component is a silica filler that has undergone a surface pretreatment using hexamethyldisilazane, or a silica filler that has undergone a surface treatment using hexamethyldisilazane in the presence of some or all of (A).
Provided is a curable silicone composition that can be handled as a liquid at room temperature, where a cured product thereof has excellent adhesive and mechanical properties and exhibits relatively high hardness. The curable silicone composition comprises: (A1) an organopolysiloxane resin having a curing reactive functional group that contains a carbon-carbon double bond, (A2) an organopolysiloxane resin not having the curing reactive functional group, and (B) a linear organopolysiloxane in a liquid state at 25° C. having the curing reactive functional group, in specific mass % ranges, as well as (C) a curing agent. The viscosity of the entire composition is 50 Pa·s or less, and the amount of the curing reactive functional groups in 100 g of the composition is 1.5 mol % or more. Also provided is a cured product of the composition, and a use thereof in a semiconductor application and the like.
Provided is a monomer composition which has little to no concern about safety when used as a raw material of a cosmetic material or the like and does not cause deterioration in quality such as gelation. A manufacturing method for the monomer composition is also provided. A radical copolymer composition, comprising a radical copolymer of: a) a radical polymerizable monomer having a radical polymerizable organic group and an organic silicon-containing organic group in a molecule; and b) a radical polymerizable monomer other than component a); wherein the total concentration of a polymerization inhibitor based on the total mass of the radical copolymer and the polymerization inhibitor is 50 ppm by mass or less.
A61K 8/81 - Cosmétiques ou préparations similaires pour la toilette caractérisés par la composition contenant des composés organiques macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons insaturées carbone-carbone
A61Q 19/00 - Préparations pour les soins de la peau
C08F 230/08 - Copolymères de composés contenant un ou plusieurs radicaux aliphatiques non saturés, chaque radical ne contenant qu'une seule liaison double carbone-carbone et contenant du phosphore, du sélénium, du tellure ou un métal contenant un métal contenant du silicium
73.
CURABLE ORGANOPOLYSILOXANE COMPOSITION AND USE THEREFOR
Provided is a curable organopolysiloxane composition having favorable curing properties, maintaining a favorable pot life even as a single component composition and showing sharp and rapid curing reactivity triggered by ultraviolet light or other high energy beam irradiation and heating, and in which curing defect problems are less likely to occur even in light shielded portions where irradiation with a high energy beam such or the like is difficult. The curable organopolysiloxane composition comprises: (A) an organopolysiloxane having a monovalent hydrocarbon group containing an aliphatic unsaturated bond, (B) an organohydrogenpolysiloxane, (C) a first hydrosilylation catalyst that exhibits activity by irradiating with a high energy beam, and (D) a second hydrosilylation catalyst microencapsulated by a thermoplastic resin with a softening point within a temperature range of 50 to 200° C. In general, a hydrosilylation reaction inhibitor is substantially not required. A method of forming an organopolysiloxane cured product is also provided.
An object of the present invention is to provide a UV curable organopolysiloxane composition without using organic solvent, in which a cured product obtained by curing has sufficient hardness and toughness, with particularly excellent workability when applied to a substrate. The solution is an UV curable organopolysiloxane composition comprising (A1) a branched organopolysiloxane having two or more of alkenyl groups in a molecule and molecular weight of 2,500 or more; (A2) a branched organopolysiloxane having two or more of alkenyl groups in a molecule and molecular weight of less than 2,500; and (A3) a linear organopolysiloxane having two or more of alkenyl groups in a molecule; (B) an organopolysiloxane having two or more of silicon-bonded hydrogen atoms in a molecule in an amount in the range where molar ratio of the silicon-bonded hydrogen atoms in the component (B) relative to the alkenyl groups in the component (A) is 0.5 to 4.0.; and (C) a photoactivatable hydrosilylation catalyst; wherein mass ratio for components (A1), (A2) and (A3) satisfying following formula (1) : [ (A1) + (A2) ] / (A3) > 1.3 (1) the content X for alkenyl groups per 100 g of the enire composition satisfying following formula (2) : 110 ≤ X ≤ 220 (2) the viscosty measured at 25℃ using an E type viscometer for the entire composition ranging from more than 80 mPas to 500 mPas or less, and an organic solvent is not substantially included in the composition.
Provided is a release control agent containing a silicone resin having a weight average molecular weight based on standard polystyrene by gel permeation chromatography of 3,000 to 6,000 and expressed by the average unit formula: (R13SiO1/2)a(SiO4/2)1.0, wherein each R1 independently represents an alkyl group with 1 to 6 carbon atoms, and “a” represents a number from 0.5 to 1.5, and (B) a diorganopolysiloxane having at least two silicon-bonded alkenyl groups in a molecule and/or (C) an α-olefin with 12 to 24 carbon atoms. Also provided is a releasable film-forming silicone composition containing the release control agent. The releasable film-forming silicone composition forms a releasable film with little change in release force and that does not reduce the residual adhesive strength of a pressure sensitive adhesive (PSA) after long-term aging in a state adhered to the PSA despite exhibiting a relatively large release force with respect to the PSA.
A thermally conductive silicone composition comprises: (A) an organopolysiloxane having on average at least two alkenyl groups in a molecule; (B) an organohydrogenpolysiloxane having on average at least two silicon atom-bonded hydrogen atoms in a molecule; (C) a hydrosilylation reaction catalyst; (D) a thermally conductive filler comprising: (D-1) a thermally conductive powder other than an aluminum nitride powder, the thermally conductive powder having a specific average particle diameter, (D-2) an aluminum nitride powder having a specific average particle diameter, and (D-3) a spherical aluminum oxide powder and/or a spherical magnesium oxide powder having a specific average particle diameter, respectively; and (E) a specific surface treating agent or wetting agent. The thermally conductive silicone composition has favorable handling and filling properties and cures to form a thermally conductive member having high thermal conductivity and in which the occurrence of internal cracks under high temperatures is suppressed.
A curable fluorosilicone composition is provided. The curable fluorosilicone composition comprises: (A) an organopolysiloxane having at least two alkenyl groups and at least one fluoroalkyl group having 3 to 12 carbon atoms in a molecule; (B) an organopolysiloxane having at least two silicon atom-bonded hydrogen atoms and at least one fluoroalkyl group having 3 to 12 carbon atoms in a molecule; (C) a platinum group metal-based catalyst for hydrosilylation reaction; and (D) a silylated acetylene inhibitor. The platinum group metals in component (C) relative to the composition are 0.1 to 100 ppm, and the molar ratio of the aliphatic unsaturated bonds in component (D) relative to the platinum group metals in component (C) is 100 to 2,000. The curable fluorosilicone composition has favorable curability and a sufficiently long pot life at room temperature.
C08G 77/24 - Polysiloxanes contenant du silicium lié à des groupes organiques contenant des atomes autres que le carbone, l'hydrogène et l'oxygène groupes contenant des halogènes
C08G 77/08 - Procédés de préparation caractérisés par les catalyseurs utilisés
C08K 5/5415 - Composés contenant du silicium contenant de l'oxygène contenant au moins une liaison Si—O
78.
CURING-REACTIVE ORGANOPOLYSILOXANE RESIN, PRESSURE-SENSITIVE ADHESIVE COMPOSITION USING SAME, AND USE THEREOF
A curing-reactive organopolysiloxane composition is provided. The composition generally forms a pressure-sensitive adhesive layer which is curable by a hydrosilylation reaction, has excellent adhesiveness and handleability, and is capable of maintaining high transparency over an extended period of time without developing problems such as discoloration or coloration, even when subjected to long-term aging at a high temperature and even when exposed to high-energy rays such as UV rays over an extended period of time. The curing-reactive organopolysiloxane composition can be cured via hydrosilylation reaction. A content of platinum-based metal among a solid content is in the range of from 0.1 to 50 ppm. An adhesive force of a cured layer with a thickness of 50 μm obtained by curing the composition is not less than 0.02N/25 mm. A pressure-sensitive adhesive layer obtained by curing the composition, and an electronic part or a display device using the same, are also provided.
C09J 7/10 - Adhésifs sous forme de films ou de pellicules sans support
B32B 27/08 - Produits stratifiés composés essentiellement de résine synthétique comme seul composant ou composant principal d'une couche adjacente à une autre couche d'une substance spécifique d'une résine synthétique d'une sorte différente
B32B 27/30 - Produits stratifiés composés essentiellement de résine synthétique comprenant une résine vinyliqueProduits stratifiés composés essentiellement de résine synthétique comprenant une résine acrylique
C09J 11/04 - Additifs non macromoléculaires inorganiques
G06F 3/041 - Numériseurs, p. ex. pour des écrans ou des pavés tactiles, caractérisés par les moyens de transduction
A curable fluorosilicone composition is provided. The curable fluorosilicone composition comprises: (A) an organopolysiloxane having at least two alkenyl groups and at least one fluoroalkyl group in a molecule; (B) an organopolysiloxane having at least two silicon atom-bonded hydrogen atoms and at least one fluoroalkyl group in a molecule; (C) a platinum group metal-based catalyst for hydrosilylation reaction; and (D) a hydrosilylation reaction inhibitor having an aliphatic unsaturated bond. Component (C) is an encapsulation type catalyst having an acrylic resin as a wall material. The platinum group metals in component (C) relative to the composition are 0.1 to 100 ppm. The molar ratio of the aliphatic unsaturated bonds in component (D) relative to the platinum group metals in component (C) is 1 to 100. The curable fluorosilicone composition has favorable curability and a sufficiently pot life at room temperature.
The present disclosure relates to hydrosilylation curable silicone rubber compositions having polyorganosiloxane cross-linkers containing at least two or at least three terminal silicon bonded hydrogen groups and one or more hydrosilylation cure inhibitor compounds selected from multiacrylates having at least three acrylate groups per molecule. Cured products resulting from the cure of such compositions and which may include elastomeric products are also disclosed. A hydrosilylation curable silicone composition comprises: (A) one or more polyorganosiloxanes containing at least two unsaturated groups per molecule, which unsaturated groups are selected from alkenyl and alkynyl groups and having a viscosity in a range of 1,000 to 200,000 mPa·s at 25° C.; (B) a polyorganosiloxane containing at least two terminal silicon bonded hydrogen groups; (C) at least one hydrosilylation catalyst; and (D) a hydrosilylation cure inhibitor comprising a multiacrylate compound having at least three acrylate groups per molecule.
B29C 64/106 - Procédés de fabrication additive n’utilisant que des matériaux liquides ou visqueux, p. ex. dépôt d’un cordon continu de matériau visqueux
C08G 77/08 - Procédés de préparation caractérisés par les catalyseurs utilisés
C08G 77/12 - Polysiloxanes contenant du silicium lié à l'hydrogène
C08G 77/20 - Polysiloxanes contenant du silicium lié à des groupes aliphatiques non saturés
Provided is a carboxylic acid co-modified organopolysiloxane that can stably and uniformly disperse various hydrophobic powders in an aqueous phase and has excellent functionality as a powder dispersant or the like. Compositions, such as topical agent compositions comprising the carboxylic acid co-modified organopolysiloxane, are also provided. The carboxylic acid co-modified organopolysiloxane is expressed by the following structural formula (1):
Provided is a carboxylic acid co-modified organopolysiloxane that can stably and uniformly disperse various hydrophobic powders in an aqueous phase and has excellent functionality as a powder dispersant or the like. Compositions, such as topical agent compositions comprising the carboxylic acid co-modified organopolysiloxane, are also provided. The carboxylic acid co-modified organopolysiloxane is expressed by the following structural formula (1):
Provided is a carboxylic acid co-modified organopolysiloxane that can stably and uniformly disperse various hydrophobic powders in an aqueous phase and has excellent functionality as a powder dispersant or the like. Compositions, such as topical agent compositions comprising the carboxylic acid co-modified organopolysiloxane, are also provided. The carboxylic acid co-modified organopolysiloxane is expressed by the following structural formula (1):
where R1 is a C6 or lower hydrocarbon group or a hydrogen atom, R2 is a C6-30 monovalent hydrocarbon group, L1 is a specific organosilicon-containing organic group, Rc is a carboxyl group-containing organic group, R′ is a group independently selected from the aforementioned R1, R2, L1 and Rc, but Rc and L1 are always included in the molecule.
[Problem] To provide: an ultraviolet radiation-curable composition which can be cured to yield a cured product having a low relative dielectric constant, which exhibits excellent workability when being coated on a base material, and which has a viscosity suitable for being coated by means of inkjet printing in particular; and an organopolysiloxane that is a main agent of the composition. [Solution] Provided are: one or more types of organopolysiloxane having an ultraviolet radiation-curable functional group and a non-ultraviolet radiation-curable monofunctional polycyclic functional group that may include a heteroatom; an ultraviolet radiation-curable composition containing said organopolysiloxane, and a use thereof as an insulating coating agent.
A curable organopolysiloxane composition is provided. The composition provides an organopolysiloxane cured product that can be cured at low temperatures while having high thermal conductivity and that can achieve high initial adhesion and adhesive strength to various base materials in contact during the curing process. A thermally conductive member containing the composition, and a heat dissipating structure using the member, are also provided. The curable organopolysiloxane composition comprises (A) an alkenyl group-containing organopolysiloxane having a specific viscosity, (B) an organohydrogenpolysiloxane, (C) a hydrosilylation-reaction catalyst, (D) a thermally conductive filler, (E) a siloxane compound having an alkenyl group and a hydrolyzable silyl group on ends of a specific molecular chain, (F) an alkoxysilane having an alkyl group with 6 or more carbon atoms or a hydrolyzed condensate thereof, and (G) an adhesion promoter.
Provided is a co-modified organopolysiloxane that has excellent affinity and compatibility with a wide range of cosmetic product raw materials (particularly non-silicone oil agents such as fatty acid ester oils and the like), is less likely to cause thickening or inferior dispersion when used with powders, and can form favorable and stable slurries. The co-modified organopolysiloxane is expressed by structural formula (1) below, with an HLB value within a range of 0.5 to 2.0, and viscosity within a range of 200 to 1500 mPa·s. R2 is a monovalent hydrocarbon group having 6 to 30 carbon atoms, L1 is an organosilicon-containing organic group selected from silylalkyl groups having a carbosiloxy dendron structure and groups having a siloxane macromonomer structure, and Q is a hydrophilic group, which is a (poly)glycerin residual group or sugar alcohol residual group. The co-modified organopolysiloxane can be used as a powder dispersing agent or the like.
Provided is a co-modified organopolysiloxane that has excellent affinity and compatibility with a wide range of cosmetic product raw materials (particularly non-silicone oil agents such as fatty acid ester oils and the like), is less likely to cause thickening or inferior dispersion when used with powders, and can form favorable and stable slurries. The co-modified organopolysiloxane is expressed by structural formula (1) below, with an HLB value within a range of 0.5 to 2.0, and viscosity within a range of 200 to 1500 mPa·s. R2 is a monovalent hydrocarbon group having 6 to 30 carbon atoms, L1 is an organosilicon-containing organic group selected from silylalkyl groups having a carbosiloxy dendron structure and groups having a siloxane macromonomer structure, and Q is a hydrophilic group, which is a (poly)glycerin residual group or sugar alcohol residual group. The co-modified organopolysiloxane can be used as a powder dispersing agent or the like.
C08G 77/50 - Composés macromoléculaires obtenus par des réactions créant dans la chaîne principale de la macromolécule une liaison contenant du silicium, avec ou sans soufre, azote, oxygène ou carbone dans lesquels au moins deux atomes de silicium, mais pas la totalité, sont liés autrement que par des atomes d'oxygène par des liaisons au carbone
A61K 8/892 - Polysiloxanes saturés, p. ex. diméthicone, phényl triméthicone, C24-C28 méthicone, stéaryl diméthicone modifiés par un groupe hydroxyle, p. ex. diméthiconol
A61K 8/02 - Cosmétiques ou préparations similaires pour la toilette caractérisés par une forme physique particulière
85.
ALKYLMETHYLSILOXANE LIQUID IMMERSION COOLING MEDIA
A process includes immersing a device in a cooling fluid, the cooling fluid comprising an alkyl modified silicone oil having the following average chemical structure (I) : (CH 3) 3SiO- [ (CH 3) 2) SiO] m- [R (CH 3) SiO] n-Si (CH 3) 3 (I) where: R in each occurrence is an alkyl or substituted alkyl having 6 or more and at the same time 17 or fewer carbon atoms; subscript m has a value of one or higher and at the same time less than 22, subscript n has a value of one or higher, and the sum of m+n is greater than 5 and at the same time less than 50.
The present invention relates to a curable silicone composition comprising at least: (A) an organopolysiloxane resin that has at least two aliphatic unsaturated monovalent hydrocarbon groups per molecule; (B) an organopolysiloxane that has at least two silicon atom-bonded hydrogen atoms per molecule; (C) bis(alkynyloxysilyl)alkane represented by a general formula (in the formula, R1are each independently a C5-12 alkynyl group, R2are each independently a C1-3 alkyl group or a hydrogen atom, R3 are each independently a C1-3 alkyl group, a are each independently 1, 2, or 3, b are each independently 0, 1, or 2, where a+b is 2 or 3, and n is an integer of 2-20); and (D) a platinum group metal hydrosilylation reaction catalyst. The present composition is characterized in that, when removing an organic solvent used in producing the composition, the removal of a hydrosilylation reaction inhibiting agent along with the organic solvent is suppressed, and there is little change in curability and storage stability.
The present invention relates to a bis(alkynyloxysilyl)alkane which is represented by the general formula (in the formula, R1independently represents an alkynyl group having 5-12 carbon atoms, R2independently represents an alkyl group having 1-3 carbon atoms or a hydrogen atom, R3 independently represents an alkyl group having 1-3 carbon atoms, a independently represents 1, 2, or 3, b independently represents 0, 1, or 2, and a+b is 2 or 3. Here, at least one of b is 1 or 2, and n is an integer of 2-20), is effective as a hydrosilylation reaction inhibitor, has a high boiling point and a low vapor pressure at room temperature, and thus has an excellent affinity for a hydrosilylation reaction curable silicone composition.
A laminate body is provided, in which two or more organopolysiloxane cured films are obtained by curing curable organopolysiloxane compositions having different compositions because, e.g., the functions required for a dielectric layer and electrode layer are different. In general, problems such as peeling and defects due to insufficient adhesive strength and trackability do not easily occur at an interface between the cured films forming the laminate body. Applications and methods are also provided. The laminate body comprises a structure with two or more laminated organopolysiloxane cured films with different compositions. At least a portion of functional groups involved in the curing reaction are the same. The laminated cured films have structures chemically bonded at an interface thereof. Typically, the compositions both contain a hydrosilylation reactive group, and a SiH/Vi ratio in the compositions differ, with the laminated cured films having structures chemically bonded by hydrosilylation reactions at an interface thereof.
This disclosure relates to a curable silicone composition that contains little to no solvent, has excellent transparency and adhesion to a substrate, and has a low overall haze value, and also relates to a cured product thereof. The curable silicone composition comprises: 100 mass parts of (A) a chain organopolysiloxane having an aliphatic unsaturated carbon-carbon bond-containing group and a degree of siloxane polymerization (DP) within a range of 10 to 1000; 1 to 100 mass parts of (B) a chain organopolysiloxane having an aliphatic unsaturated carbon-carbon bond-containing group and having a DP within a range of 1001 to 10,000; 0 to 100 mass parts of (C) an organopolysiloxane resin; (D) a polyorganohydrogen siloxane; and (E) a catalytic amount of a hydrosilylation reaction catalyst. Optionally, the composition further comprises: 0 to 60 mass parts of (F) an organic solvent, for 100 mass parts of the sum of components (A) to (D).
Provided is a silicone gel composition that provides a silicone gel cured product having excellent storage stability as well as heat resistance and transparency at high temperatures, being capable of maintaining low elastic modulus, low stress, and high transparency even when used for long periods of time, particularly under conditions where only one direction of a member is exposed to high temperatures, and having resistance to cracking, peeling, and the like. The silicone gel composition comprises (A) a branched organopolysiloxane having an alkenyl group bonded to a silicon atom, (B-1) a branched organohydrogenpolysiloxane having three or more silicon atom-bonded hydrogen atoms in a molecule, and containing at least 20 mol % or more of T units and Q units of all siloxane units, (B-2) a chain organohydrogenpolysiloxane having two silicon atom-bonded hydrogen atoms in one molecule, (C) a platinum-based addition reaction catalyst, and (D) a reaction product of ceric salt.
The present invention provides a copolymer composition which is characterized by containing: a copolymer (S) which comprises a constituent unit derived from ethylene (A), a constituent unit derived from an α-olefin (B) having 3 to 20 carbon atoms, and a constituent unit derived from a specific non-conjugated polyene (C), and satisfies the requirement (i) and the requirement (ii) shown below; a hydrosilyl group-containing compound (Y) which is an organohydrogen polysiloxane that has at least one silicon atom-bonded aralkyl group and at least two silicon atom-bonded hydrogen atoms in each molecule; and a platinum-based catalyst for hydrosilylation crosslinking. (i) (A)/(B) is 40/60 to 99.9/0.1. (ii) The mass percent concentration of the constituent unit derived from a non-conjugated polyene (C) is 0.07 to 10% by mass.
[Problem] To easily and cost-effectively produce an oxypropylene group-containing glycol ether that does not adversely affect polymerization reaction when used as a reaction solvent or a diluent for a polyether-polysiloxane block copolymer, wherein the content of allyl group-containing impurities in the oxypropylene group-containing glycol ether can be reduced using relatively easy and simple industrial equipment and reaction process, and hydrosilylation reaction products and the oxypropylene group-containing glycol ether can be easily separated by distillation, etc. [Solution] A method for producing an oxypropylene group-containing glycol ether, said method comprising: a step for hydrosilylating allyl group-containing impurities contained in the oxypropylene group-containing glycol ether with a silicon atom-bound hydrogen atom (Si-H)-containing compound; and, preferably, a purification step for separating the oxypropylene group-containing glycol ether by distillation, etc.
A silicone rubber composition is provided. The composition comprises: (A) a straight chain organopolysiloxane having at least two alkenyl groups in a molecule; (B) a resinous organopolysiloxane containing: SiO4/2 unit, R12R2SiO1/2 unit and R13SiO1/2 unit, wherein R1 independently represents an alkyl group having 1 to 12 carbon atoms and R2 represents an alkenyl group having 2 to 12 carbon atoms, and containing 0.1 to 5.0 mass % of the alkenyl groups; (C) an organopolysiloxane having at least two silicon atom-bonded hydrogen atoms in a molecule; (D) a hydrosilylation reaction catalyst; (E) a reinforcing silica fine powder; and (F) an intumescent flame retardant. When the composition is coated on a woven material, such as a base material for an airbag or the like, the composition can provide the woven material with sufficient flame retardance even with a low coating amount, and the composition can suppress an aperture of the woven material.
D06M 15/643 - Composés macromoléculaires obtenus par des réactions autres que celles faisant intervenir uniquement des liaisons non saturées carbone-carbone contenant du silicium dans la chaîne principale
B60R 21/235 - Éléments gonflables caractérisés par leur matériau
94.
CURABLE SILICONE COMPOSITION HAVING HOT MELT PROPERTIES, CURED PRODUCT OF SAME, AND MULTILAYER BODY COMPRISING SAID COMPOSITION
[Problem] The present invention addresses the problem of providing: a curable silicone composition which has excellent curing characteristics and excellent fluidity during heating and melting, while enabling fine filling and exhibiting excellent storage stability as the whole composition, and which can be molded into a product having a thickness and forms a hard cured product that has little surface tackiness by means of curing; and a use of this curable silicone composition. [Solution] The present invention provides a curable silicone composition which contains: (A) a solid organopolysiloxane resin that contains (A1) an organopolysiloxane resin that has a curing-reactive functional group and contains 20% by mole or more of a Q unit, and (A2) an organopolysiloxane resin that does not have a curing-reactive functional group and contains 20% by mole or more of a Q unit; (B) 10 to 100 parts by mass of a linear or branched organopolysiloxane that has a curing-reactive functional group; (C) an organohydrogenpolysiloxane; and (D) a hydrosilylation catalyst-containing fine particles that use a thermoplastic resin which has a Tg within the range of 110°C to 200°C. This curable silicone composition as a whole has hot melt properties.
[Problem] To easily and cost-effectively produce an oxypropylene group-containing glycol ether that does not adversely affect polymerization reaction when used as a reaction solvent or a diluent for a polyether-polysiloxane block copolymer, wherein the content of allyl group-containing impurities in the oxypropylene group-containing glycol ether can be reduced using relatively easy and simple industrial equipment and reaction process, and hydrosilylation reaction products and the oxypropylene group-containing glycol ether can be easily separated by distillation, etc. [Solution] A method for producing an oxypropylene group-containing glycol ether, said method comprising: a step for hydrosilylating allyl group-containing impurities contained in the oxypropylene group-containing glycol ether with a silicon atom-bound hydrogen atom (Si-H)-containing compound; and, preferably, a purification step for separating the oxypropylene group-containing glycol ether by distillation, etc.
[Problem] Provided are a vinyl-modified organopolysiloxane that is useful as a raw material for a radical polymerization reaction to be used in particular in a biodegradable polymer or copolymer, and a method for producing the vinyl-modified organopolysiloxane. The present invention furthermore provides a radical polymerizable polymer or a radical polymerizable copolymer that uses the vinyl-modified organopolysiloxane as at least part of a starting raw material, the use thereof, and a production method therefor. [Solution] A vinyl-modified organopolysiloxane having a polyorganosiloxane structure and having, in each molecule, two or more vinyl-modified groups (RAc) represented by -R1-C(=O)-O-CH=CHR2(in the formula, R1is a C4-20 divalent organic group, and R2 is a hydrogen atom or a methyl group) bonded to silicon atoms; a radical polymerizable polymer or a radical polymerizable copolymer (in particular, silicone elastomer particles) that uses the vinyl-modified organopolysiloxane as a raw material; and the use of these.
C08G 77/20 - Polysiloxanes contenant du silicium lié à des groupes aliphatiques non saturés
A61K 8/81 - Cosmétiques ou préparations similaires pour la toilette caractérisés par la composition contenant des composés organiques macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons insaturées carbone-carbone
C08F 299/08 - Composés macromoléculaires obtenus par des interréactions de polymères impliquant uniquement des réactions entre des liaisons non saturées carbone-carbone, en l'absence de monomères non macromoléculaires à partir de polycondensats non saturés à partir de polysiloxanes
C08G 77/38 - Polysiloxanes modifiés par post-traitement chimique
[Problem] To provide a curable organopolysiloxane composition that has high initial adhesive strength in a step such as temporary fixation and can be detached easily from a base material in a subsequent step, and a method for using the curable organopolysiloxane composition. [Solution] A curable organopolysiloxane composition containing: (A) an organosiloxane component including a specific silicon-atom-binding functional group that contains a (meth)acrylic group (RA), a resinous organosiloxane structural factor containing an alkenyl group, and a linear organopolysiloxane structural factor; (B) a siloxane component free of carbon-carbon multiple bonds in each molecule; and (C) a photoradical polymerization initiator. Additionally, the use of the curable organopolysiloxane composition.
REACTIVE GROUP-INCLUDING POLYCAPROLACTONE COMPOUND, NOVEL SILICONE ELASTOMER PARTICLES IN WHICH SAME IS USED, COSMETIC COMPOSITION, AND OTHER APPLICATION
[Problem] To provide silicone elastomer particles that comprise a crosslinked structure having an activity against biodegradability and that, when mixed into a cosmetic composition or similar, can achieve an equal or better tactile feeling and feeling of use as existing silicone elastomer particles, a reactive group-including polycaprolactone compound that comprises a specific structure and is useful as a raw material for a synthesis reaction for said silicone elastomer particles, and manufacturing methods for these. [Solution] A reactive group-including polycaprolactone compound (specifically, a compound selected from among a (meth)acrylic-modified polycaprolactone compound and an alkenyl-modified polycaprolactone compound) that has two or more modified polycaprolactone structures with the structure of structural formula (1) (in this formula, n is a number within the range 1-5, and Ra is a specific (meth)acrylic terminal group or alkenyl terminal group). Additionally, the use of said reactive group-including polycaprolactone compound as a raw material for silicone elastomer particles.
This disclosure relates to one-piece woven airbags coated with a cured product of hydrosilylation curable silicone rubber coating compositions and to a process for coating said one-piece woven airbags with the hydrosilylation curable silicone rubber coating compositions. The resulting one-piece woven airbags coated with a cured product of hydrosilylation curable silicone rubber coating compositions are of a reduced mean dry coat weight whilst maintaining the properties of previous one-piece woven airbags coated with standard thicker coatings.
Provided is a hot-melt curable silicone composition that forms a cured product that can be cured at a temperature of 100° C. or lower, has excellent storage stability, is relatively hard from curing, and has low surface tack, and a sheet or film formed from the same. The curable silicone composition comprises: (A) a solid organopolysiloxane resin that contains at a mass ratio of 0:100 to 90:10 (Al) an organopolysiloxane resin having a curing reactive functional group and containing 20 mol % or more of a Q unit (i.e., a SiO4/2 unit), and (A2) an organopolysiloxane resin not having a curing reactive functional group and containing 20 mol % or more of a Q unit; (B) 10 to 100 parts by mass of a straight-chain or branched branched chain organopolysiloxane having a curing reactive functional group and is liquid or has plasticity; (C) an organohydrogenpolysiloxane; and (D) a photoactivated hydrosilylation reaction catalyst.
brevets
