Hydrosilylation (addition) curable heat stabilised silicone rubber compositions, silicone rubber elastomers made upon cure of the compositions and their applications and uses are disclosed. The heat stabiliser additives utilised in the compositions comprise one or more of dodecanedioic acid, bis[2-(2-hydroxybenzoyl)hydrazide], 1,2-di[-(3,5-di-tert-butyl-4-hydroxyphenyl)propionyl]hydrazine, metal or non-metal phthalocyanine complexes, salicyloylaminotriazole, triazole, benzotriazole, dilauryl 3,3′-thiodipropionate, ditridecyl 3,3′-thiodipropionate, diphenyl sulfide, and/or pentaerythritol beta-laurylthiopropionate.
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
A composition comprises at least one silicone-polyether copolymer having the average formula Xg[ZjYo]c, where each X is an independently selected silicone moiety having a particular structure, each Y is an independently selected polyether moiety, each Z is an independently selected organosilicon moiety, subscript c is from 1 to 150, subscript g is >1, subscript j is independently 0 or 1, and subscript o is independently 0 or 1, with the provisos that 1≤j+o≤2 in each moiety indicated by subscript c and that there is at least one moiety indicated by subscript c in which subscript o is 1. A method of preparing the composition is also disclosed, along with a sealant formed therewith.
C08L 83/12 - Copolymères séquencés ou greffés contenant des segments de polysiloxanes contenant des segments de polyéthers
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 77/46 - Polymères séquencés ou greffés contenant des segments de polysiloxanes contenant des segments de polyéthers
C09K 3/10 - Substances non couvertes ailleurs pour sceller ou étouper des joints ou des couvercles
An improved process for the preparation of high viscosity (i.e., greater than 1 million mPa.s at 25° C.) silanol-terminated silicone polymers and copolymers, often referred to in the industry as silanol-terminated silicone polymer gums. The silanol-terminated silicone polymer gums are made by the ring-opening polymerisation of organocyclosiloxane oligomers (alternatively referred to as cyclic siloxane oligomers) using a conical screw dump extruder (1). It also relates to silanol-terminated silicone polymer gums made by the process.
B29B 7/48 - MélangeMalaxage continu, avec dispositifs mécaniques de mélange ou de malaxage avec dispositifs de mélange ou de malaxage mobiles rotatifs avec plus d'un arbre à dispositifs à engrènement, p. ex. à vis qui s'engrènent
B29B 7/58 - Éléments constitutifs, détails ou accessoiresOpérations auxiliaires
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
C08G 77/16 - Polysiloxanes contenant du silicium lié à des groupes contenant de l'oxygène à des groupes hydroxyle
4.
METHOD FOR PREPARATION OF A LAMINATE ARTICLE INCLUDING A SILICONE PRESSURE SENSITIVE ADHESIVE ADHERED TO SILICONE RUBBER
A laminate article includes a silicone pressure sensitive adhesive adhered to a silicone rubber article. A method for fabricating the laminate article is provided.
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
B32B 5/18 - Produits stratifiés caractérisés par l'hétérogénéité ou la structure physique d'une des couches caractérisés par le fait qu'une des couches contient un matériau sous forme de mousse ou essentiellement poreux
B32B 25/04 - Produits stratifiés composés essentiellement de caoutchouc naturel ou synthétique comprenant du caoutchouc comme seul composant ou comme composant principal d'une couche adjacente à une autre couche d'une substance spécifique
B32B 25/08 - Produits stratifiés composés essentiellement de caoutchouc naturel ou synthétique comprenant du caoutchouc comme seul composant ou comme composant principal d'une couche adjacente à une autre couche d'une substance spécifique de résine synthétique
B32B 37/24 - Procédés ou dispositifs pour la stratification, p. ex. par polymérisation ou par liaison à l'aide d'ultrasons caractérisés par les propriétés des couches avec au moins une couche qui ne présente pas de cohésion avant la stratification, p. ex. constituée de matériau granulaire projeté sur un substrat
B32B 37/26 - Procédés ou dispositifs pour la stratification, p. ex. par polymérisation ou par liaison à l'aide d'ultrasons caractérisés par les propriétés des couches avec au moins une couche influençant la liaison au cours de la stratification, p. ex. couches anti-adhésives ou couches égalisatrices de la pression
A thermally conductive composition contains, based on the weight of the thermally conductive composition, (A) from 1.0 to 4.0 weight-percent of an alkenyl-functional polyorganosiloxane; (B) a silyl-hydride functional polysiloxane crosslinker that contains at least two silyl-hydride groups per molecule; (C) from 93 to 96 weight-percent of thermally conductive fillers containing specific amounts of (C1-a) aluminum oxide particles having a D50 in a range of 10 to 40 micrometers, and optionally (C1-b) aluminum nitride particles having a D50 in a range of 10 to 40 micrometers, (C2) spherical aluminum particles having a D50 in a range of 1 to 5 micrometers, and (C3) a third thermally conductive filler having a D50 in a range of 0.1 to 0.6 micrometer and selected from the group consisting of zinc oxide particles, aluminum oxide particles, and mixtures thereof; and (D) a filler treating agent.
A laundry scenting formulation is provided, including water; a solid carrier; a structurant; and a scent additive; wherein the laundry scenting formulation is a solid.
An automatic dishwashing composition is provided including 20 to <98.6 wt %, based on weight of the automatic dishwashing composition, of a builder; 0.2 to 20 wt %, based on weight of the automatic dishwashing composition, of a nonionic surfactant; 0.1 to <10 wt %, based on weight of the automatic dishwashing composition, of a substance of formula I
An automatic dishwashing composition is provided including 20 to <98.6 wt %, based on weight of the automatic dishwashing composition, of a builder; 0.2 to 20 wt %, based on weight of the automatic dishwashing composition, of a nonionic surfactant; 0.1 to <10 wt %, based on weight of the automatic dishwashing composition, of a substance of formula I
An automatic dishwashing composition is provided including 20 to <98.6 wt %, based on weight of the automatic dishwashing composition, of a builder; 0.2 to 20 wt %, based on weight of the automatic dishwashing composition, of a nonionic surfactant; 0.1 to <10 wt %, based on weight of the automatic dishwashing composition, of a substance of formula I
wherein n is ≥2 and wherein each M⊕ is a counter ion; >0.005 to 6 wt %, based on weight of the automatic dishwashing composition, of a protease; and wherein the weight of the substance of formula I divided by the weight of the protease in the automatic dishwashing composition is <20.
IIIIIIIII) an aqueous emulsion of a polyorganosiloxane elastomer. The silicone - acrylic binder can be used to prepare a thermal insulation coating composition that may be applied on a metal (e.g., steel) substrate or primed substrate. A thermal insulation coating prepared by drying the thermal insulation coating composition provides the metal or primed substrate with resistance to corrosion under insulation.
I)II)III)III) an aqueous emulsion of a silicone resin. The silicone – acrylic binder can be used to prepare a thermal insulation coating composition that may be applied on a metal (e.g., steel) substrate or primed substrate. A thermal insulation coating prepared by drying the thermal insulation coating composition provides the metal or primed substrate with resistance to corrosion under insulation.
A curable composition contains, based on the weight of the curable composition, (A) from 1 to 4 weight percent of an alkenyl-functional polyorganosiloxane, (B) a polyorganohydrogensiloxane component comprising specific amounts of two different polysiloxanes (B-1) and (B-2), (C) from 93 to 97 weight percent of thermally conductive fillers comprising (C1) aluminum oxide particles having a D50 in a range of 8 to 35 micrometers, aluminum nitrite particles having a D50 in a range of 8 to 35 micrometers, or mixtures thereof; (C2) spherical aluminum oxide particles having a D50 in a range of 0.3 to 4 micrometers; and (C3) zinc oxide particles having a D50 in a range of from 0.1 to less than 0.3 micrometer; and (D) a filler treating agent.
A granular wetting agent contains adsorbent inorganic powdered carrier, water-soluble polymer binder adhered to the carrier, and a non-ionic surfactant adhered to the carrier. The granular wetting agent can be used in dry mixes, such as mortar, grout and concrete, to improve wetting of the dry mix. It may be especially useful when the filler in the dry mix contains polymer particles, such as polyurethane or polyisocyanurate.
C04B 40/00 - Procédés, en général, pour influencer ou modifier les propriétés des compositions pour mortiers, béton ou pierre artificielle, p. ex. leur aptitude à prendre ou à durcir
C04B 40/06 - Inhibition de la prise, p. ex. pour mortiers du type à action différée contenant de l'eau dans des récipients frangibles
31212-alkyl functionalized organopolysiloxane, and an alkene functionalized organopolysiloxane, as described herein. The composition of the present invention provides homogeneous coatings that achieve acceptable cure depths by UV or LED irradiation.
The present invention relates to a composition comprising a bisacylphosphine photoinitiator as described herein and a polyacrylate functionalized organosiloxane. The composition of the present invention provides homogeneous coatings that achieve acceptable cure depths by UV or LED irradiation.
A shampoo formulation is provided comprising: water; an alcohol ethoxysulfate surfactant of formula I (I) wherein each R1and R21‑161‑16 alkyl group; wherein the sum of the carbon atoms in R1and R2is 7-17; wherein M+33- anion of formula I; and wherein x is 1 in 95-100 mol% of the alcohol ethoxysulfate surfactant of formula I; a dermatologically acceptable silicone; and a deposition aid polymer, wherein the deposition aid polymer is a dextran base polymer functionalized with quaternary ammonium moieties; wherein the deposition aid polymer has a Kjeldahl nitrogen content, TKN, of 0.5-5 wt%; and wherein the deposition aid polymer comprises <0.1 % of the linkages between individual glucose units in the deposition aid polymer are β-1,3 linkages.
A61K 8/46 - Cosmétiques ou préparations similaires pour la toilette caractérisés par la composition contenant des composés organiques contenant du soufre
22C=C (R1) C (O) -O-R222-R (I) where: R is a biphenyl or naphthyl group; R1is a hydrogen or methyl group; R22-102-103-10233) C (O) -O-R3322 (II) where R32-102-103-1022 nanoparticles at a concentration in a range bounded by: (i) 1.23 (wt% difunctional methylacrylate (b)) + 1.60 wt%; and (ii) 1.09 (wt% difunctional methylacrylate (b) ) + 26.02 wt%; (d) 0.1 to 6.0 wt% photoinitiator; (e) 0-6.0 wt% trifunctional methyl acrylate; and (f) 0-1.0 wt% surfactant; where wt% is relative to composition weight.
C09D 11/101 - Encres spécialement adaptées aux procédés d’imprimerie mettant en œuvre la réticulation par énergie ondulatoire ou par radiation de particules, p. ex. réticulation par UV qui suit l’impression
C09D 11/38 - Encres pour l'impression à jet d'encre caractérisées par des additifs non macromoléculaires autres que les solvants, les pigments ou les colorants
A fabric care composition is provided including water; a cleaning surfactant; a fabric softening silicone, wherein the fabric softening silicone is a nitrogen containing silicone; and a deposition aid polymer, wherein the deposition aid polymer is a dextran polymer functionalized with quaternary ammonium moieties; and wherein the deposition aid polymer enhances deposition of the fabric softening silicone from the fabric care composition onto a fabric.
A process for preparing a curable liquid silicone composition includes: (a) combining the following components to form a catalyst/inhibitor masterbatch: (i) platinum hydrosilylation catalyst; (ii) tetrahydrocarbylthiuram disulfide that has a flowing point of 50 °C or higher; and (iii) aromatic silicone carrier fluid; and (b) combining the catalyst/inhibitor masterbatch with a vinyl-functional silicone and a silyl hydride functional silicone to form a curable composition.
A process includes combining the following components to form a platinum(II) dithiocarbamate complex in solvent: (i) platinum(O) complex; (ii) tetrahydrocarbylthiuram disulfide; and (iii) a solvent. The process can further include separating the platinum(II) dithiocarbamate complex from solvent to isolate the platinum(II) dithiocarbamate complex. The process can further include preparing a curable silicone composition by combining the platinum(II) dithiocarbamate complex with a vinyl-functional silicone and a silyl hydride functional silicone to form a curable composition.
A two-part addition curable thermally conductive adhesive composition, comprising: A) a vinyl functional polysiloxane having at least two vinyl groups per molecule, B) at least one hydrosilylation catalyst, C) at least one condensation catalyst, D) at least one silyl hydride functional polysiloxane, E) at least one thermally conductive filler, F) at least one SiH functional silane, and G) at least one Q-branched alkenyl polymer.
32mn33, where R is independently selected from hydrocarbon groups, and on average n=1 and m=0 to 10; (B) a SiH crosslinker containing on average 2 or more SiH groups per molecule; (C) a polyorganosiloxane containing 2 or more alkenyl groups per molecule; (D) a filler treating agent; (E) a thermally conductive filler; and (F) a hydrosilylation reaction catalyst. The thermally conductive materials can remain soft after long-life aging at elevated temperature.
A two-step curable silicone composition includes an organopolysiloxane resin having silicon bonded alkenyl groups, a (meth)acryloxyalkyl-functional organosiloxane polymer, an organohydrogensiloxane oligomer, a hydrosilylation reaction catalyst, a photoradical initiator, and a hydrosilylation inhibitor. Said composition may further include one or more of an alkenyl-functional organopolysiloxane polymer, a solvent, and a free radical scavenger. The composition can first be partially cured via hydrosilylation reaction and thereafter fully cured via UV irradiation. The composition is useful in semiconductor device fabrication processes.
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 77/00 - 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
C08J 3/28 - Traitement par ondes énergétiques ou par rayonnement de particules
Provided is a halogen free flame-retardant silicone composition, latent heat storage material and flame-retardant pottant. The halogen free flame-retardant silicone composition comprises (A1) an alkenyl containing siloxane, (A2) a Si-H containing siloxane intermediate; (B) at least one phase changing encapsulated particle; (C) at least one inorganic thermal conductive filler; (D) at least one flame-retardant additive filler; and (E) a hydrosilylation reaction catalyst. The latent heat storage material and flame-retardant pottant have improved flame-retardant properties and latent heat storage properties.
C09J 183/07 - Polysiloxanes contenant du silicium lié à des groupes aliphatiques non saturés
C09J 183/05 - Polysiloxanes contenant du silicium lié à l'hydrogène
C09J 11/04 - Additifs non macromoléculaires inorganiques
C09K 5/06 - Substances qui subissent un changement d'état physique lors de leur utilisation le changement d'état se faisant par passage de l'état liquide à l'état solide, ou vice versa
A curable thermally conductive composition contains: (A) from 5 to 11 weight-percent of an alkenyl-functional polyorganosiloxane having a viscosity in a range of 25 to 500 millipascal*seconds as determined by ASTM D445-21 using a glass capillary Cannon-Fenske type viscometer at 25 degrees Celsius, wherein the alkenyl-functional polyorganosiloxane has an chemical structure (I); (B) a silyl-hydride functional polysiloxane crosslinker that contains at least two silyl-hydride groups per molecule and that is present at a concentration to provide a molar ratio of silicon-bonded hydrogen atoms to alkenyl groups for the composition of 0.3: 1 to 1.5: 1; (C) from 85 to 92 weight-percent of thermally conductive fillers containing: (C1) from 40 to 55 weight-percent of aluminum hydroxide particles having a D50 in a range of 70 to 150 micrometers, (C2) from 15 to 30 weight-percent of aluminum hydroxide particles having a D50 in a range of 1 to 30 micrometers, and (C3) from 10 to 25 weight-percent of aluminum oxide particles having a D50 in a range of 0.2 to 4 micrometers; and (D) a filler treating agent selected from a trialkoxysilyl diorganopolysiloxane, an alkyl trialkoxysilane, or mixtures thereof; where the trialkoxysilyl diorganopolysiloxane has an average chemical structure (IV); where weight-percentages are relative to curable thermally conductive composition weight. A process for using such curable thermally conductive composition and an article containing such curable thermally conductive composition are disclosed.
An article contains a multilayer laminate having (a) a first surface layer with opposing primary surfaces, the first surface layer comprising a crosslinked polysiloxane matrix with flame retardant additive dispersed therein; (b) a central layer with opposing primary surfaces with one primary surface adhered to a primary surface of the first surface layer and wherein the central layer is selected from ceramic fiber sheet and aerogel sheet defining one or more than one void; (c) a second surface layer with opposing primary surface with one primary surface adhered to a primary surface of the central layer opposite the primary surface adhered to the first surface layer, the second surface layer having a composition as described for the first surface layer though the first and second surface layers do not have to have the same composition; wherein the article comprises endothermic agents occupying the voids defined by the central layer.
B32B 27/06 - 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
B32B 5/02 - Produits stratifiés caractérisés par l'hétérogénéité ou la structure physique d'une des couches caractérisés par les caractéristiques de structure d'une couche comprenant des fibres ou des filaments
B32B 5/18 - Produits stratifiés caractérisés par l'hétérogénéité ou la structure physique d'une des couches caractérisés par le fait qu'une des couches contient un matériau sous forme de mousse ou essentiellement poreux
B32B 7/12 - Liaison entre couches utilisant des adhésifs interposés ou des matériaux interposés ayant des propriétés adhésives
B32B 27/12 - Produits stratifiés composés essentiellement de résine synthétique adjacente à une couche fibreuse ou filamenteuse
B32B 27/18 - Produits stratifiés composés essentiellement de résine synthétique caractérisée par l'emploi d'additifs particuliers
B32B 27/28 - Produits stratifiés composés essentiellement de résine synthétique comprenant des copolymères de résines synthétiques non complètement couverts par les sous-groupes suivants
H01M 10/658 - Moyens de commande de la température associés de façon structurelle avec les éléments par isolation ou protection thermique
H01M 50/293 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports caractérisés par des éléments d’espacement ou des moyens de positionnement dans les racks, les cadres ou les blocs caractérisés par le matériau
26.
RADIATION CURABLE SILOXANE COMPOSITIONS AND METHODS FOR THEIR PREPARATION AND USE
A curable composition includes an ethylenically unsaturated polydiorganosiloxane, a radical curable siloxane – urethane/urea copolymer, a reactive diluent, a crosslinker, and a photoinitiator. The composition can be cured by exposure to UV radiation. The composition can be used to form a transparent film with a Shore M hardness ≥ 35.
A fabric softening formulation is provided including 50 to 98.45 wt%, based on weight of the fabric softening formulation, of water; 1.5 to 30 wt%, based on weight of the fabric softening formulation, of an esterquat; and 0.05 to 5 wt%, based on weight of the fabric softening formulation, of a softening agent; wherein the softening agent is a dextran base polymer functionalized with morpholine groups; wherein the dextran base polymer has a weight average molecular weight of 10,000 to 3,000,000 Daltons and wherein the morpholine groups are of formula (I) bound to a pendent oxygen on the dextran base polymer wherein is a pendent oxygen on the dextran base polymer; and wherein A is a divalent linking group.
A clear hair styling formulation is provided, comprising: a dermatologically acceptable vehicle; and a hair fixative polymer; wherein the hair fixative polymer is a hydrolyzed starch; wherein the hydrolyzed starch has a weight average molecular weight of 5,000 to 50,000 Daltons.
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
A curable composition contains vinyl-functional silicone polymer, silyl-hydride function polysiloxane crosslinker, platinum-based hydrosilylation catalyst, 93.5 to 96 weight-percent thermally conductive filler particles other than boron nitride platelet particles: 0.2 to 2.5 weight-percent platelet boron nitride particles, 0.1 to 1.0 weight-percent polyether additive, 0.10 to 5.0 weight-percent of a filler treating agent, and a cure inhibitor.
C08J 5/12 - Fixation d'un matériau macromoléculaire préformé au même matériau ou à un autre matériau compact, tel que du métal, du verre, du cuir, p. ex. en utilisant des adhésifs
An article contains a multilayer laminate having (a) a first surface layer with opposing primary surfaces, the first surface layer comprising a crosslinked polysiloxane matrix with flame retardant additive dispersed therein; (b) a central layer with opposing primary surfaces with one primary surface adhered to a primary surface of the first surface layer and wherein the central layer is a silicone foam sheet with fire retardant fillers dispersed therein; (c) a second surface layer with opposing primary surface with one primary surface adhered to a primary surface of the central layer opposite the primary surface adhered to the first surface layer, the second surface layer having a composition as described for the first surface layer though the first and second surface layers do not have to have the same composition; wherein the article comprises endothermic agents occupying the voids defined by the central layer.
B32B 27/06 - 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
B32B 5/18 - Produits stratifiés caractérisés par l'hétérogénéité ou la structure physique d'une des couches caractérisés par le fait qu'une des couches contient un matériau sous forme de mousse ou essentiellement poreux
B32B 7/12 - Liaison entre couches utilisant des adhésifs interposés ou des matériaux interposés ayant des propriétés adhésives
B32B 27/18 - Produits stratifiés composés essentiellement de résine synthétique caractérisée par l'emploi d'additifs particuliers
B32B 27/28 - Produits stratifiés composés essentiellement de résine synthétique comprenant des copolymères de résines synthétiques non complètement couverts par les sous-groupes suivants
A composition contains filler particles dispersed in a matrix material, wherein the matrix material contains: (a) 0.01 to 1.50 weight-percent of a first polyorganosiloxane, wherein first polyorganosiloxane is a linear polyorganosiloxane with an average of 2 or more carboxylic acid groups per molecule; and (b) 5 to 30 weight-percent of a second polyorganosiloxane that is free of carboxylic acid groups, wherein the second polyorganosiloxane is a liquid at 25 degrees Celsius and 101 megaPascals pressure; wherein the filler particles are present at a concentration in a range of 15 to less than 78 volume-percent based on composition volume and weight-percent values are relative to weight of the composition and wherein the composition is free of at least one of aliphatic diols and silicone polyethers.
Provided are hydrosilylation (addition) curable thermally conductive silicone rubber compositions containing high levels (e.g., greater than 80 wt. %) of thermally conductive fillers, a method for their preparation, and cured silicone-based products made from the compositions which have a thermal conductivity of at least 1.5 W/mK whilst retaining adequate physical properties such as tensile strength and elasticity. The use of such materials is also disclosed.
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
A curable composition contains: (a) a first organopolysiloxane comprising at least two trialkoxy silyl groups per molecule and that is free of alkenyl groups and mercapto groups; (b) a second organopolysiloxane containing at least one alkenyl group and that is free of mercapto groups and alkoxysilyl groups; (c) a third organopolysiloxane comprising on average 2 or more mercapto groups per molecule and that is free of alkenyl functionality and alkoxysilyl functionality; (d) a photoinitiator; (c) a condensation catalyst; and (f) optionally, alkoxy silane.
The present invention is a compound of Formula 1: where each n is 1, 2, or 3. The compound of the present invention is useful as an adhesion promoter in thermally conductive compositions. The present invention is also a method of preparing the compound of Formula 1.
The present invention provides thickened hydrolyzable organosilane, such as alkoxyalkyl silane compositions that comprise an alkylsilyl group-containing cellulose thickener having a weight average molecular weight of from 60 to 5000 kDa, such as a trialkylsilyl cellulose. The compositions may comprise neat hydrolyzable organosilanes and from 0.1 to 5 wt. %, based on the total weight of the composition, of the alkylsilyl group-containing cellulose. The compositions having a viscosity resembling paint or coating compositions and are suitable for use as treating or coating compositions that confer water resistance to cementititious substrates.
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
38.
SILICONE - POLYETHER COPOLYMER FOR USE IN FOAM CONTROL FORMULATIONS
A silicone - polyether copolymer and methods for its preparation and use are disclosed. The silicone - polyether copolymer is useful as a foam control agent in a laundry detergent composition.
A silicone - polyether copolymer and methods for its preparation and use are disclosed. The silicone - polyether copolymer is useful in various applications including hair care compositions due to having a refractive index > 1.46.
The present disclosure relates to a method for preparing a carbinol terminated silicone/polyurethane hybrid prepolymer based coating composition (v) comprising the steps of (A) Preparing a carbinol terminated silicone/polyurethane hybrid prepolymer; and (B) preparing the carbinol terminated silicone/polyurethane hybrid prepolymer based coating composition (v) by mixing the carbinol terminated silicone/polyurethane hybrid prepolymer produced in (A) ( (v) (a) ) with optional cured silicone elastomer powder (v) (b); optional silicon-free organic particles and/or microparticles (v) (c); a polyorganosiloxane containing at least two or alternatively at least three silicon bonded hydrogen (-Si-H) groups per molecule (v) (d); a polyisocyanate having three or more isocyanate groups per molecule in an amount such that the molar ratio of -OH groups of (v) (a) to -NCO groups in (v) (f) in the carbinol terminated silicone/polyurethane hybrid prepolymer based coating composition (v) is from 0.95:1 to 1.05:1; and a platinum group metal-based catalyst (v) (g). The carbinol terminated silicone/polyurethane hybrid prepolymer based coating composition is prepared for use in a silicone leather composite material.
C08G 18/12 - Procédés mettant en œuvre un prépolymère impliquant la réaction d'isocyanates ou d'isothiocyanates avec des composés contenant des hydrogènes actifs, dans une première étape réactionnelle utilisant plusieurs composés contenant un hydrogène actif dans le premier stade de la polymérisation
D06N 3/14 - 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 avec des polyuréthanes
41.
CURABLE SILICONE COMPOSITION AND CURED PRODUCT THEREOF
A curable silicone composition is provided. The curable silicone composition comprises: (A) an organopolysiloxane comprising an average of two or more alkenyl groups; (B) a crosslinker with an average of three or more mercapto groups; (C) an epoxy-functional silicone resin having monovalent aromatic hydrocarbon groups; (D) an epoxy-functional silicone; (E) an iodonium salt type cationic photoinitiator; and (F) a cationic photoinitiator other than component (E). According to the present disclosure, a Silicone-Epoxy hybrid material having benefits of both silicones and organic epoxies, having excellent reliability performance and adhesiveness suitable for applications in the electronic display market may be provided.
C08G 75/045 - Polythioéthers à partir de composés mercapto ou de leurs dérivés métalliques à partir de composés mercapto et de composés insaturés
C08G 77/20 - Polysiloxanes contenant du silicium lié à des groupes aliphatiques non saturés
C08G 77/14 - Polysiloxanes contenant du silicium lié à des groupes contenant de l'oxygène
C08F 2/50 - Polymérisation amorcée par énergie ondulatoire ou par rayonnement corpusculaire par la lumière ultraviolette ou visible avec des agents sensibilisants
One process for making a laminated sheet may comprise applying an uncured adhesive to a removable layer such that a first surface of the removable layer is in direct contact with an uncured adhesive, curing the uncured adhesive to form a cured adhesive layer positioned in direct contact with the first surface of the removable layer, applying a release liner in direct contact with the cured adhesive layer such that the cured adhesive layer is positioned between the removable layer and the release liner. Another process for making a laminated sheet may comprise applying an uncured adhesive to a release liner such that a first surface of the release liner is in direct contact with an uncured adhesive, curing the uncured adhesive to form a cured adhesive layer positioned in direct contact with the first surface of the release liner, and applying a removable layer in direct contact with the cured adhesive layer such that the cured adhesive layer is positioned between the removable layer and the release liner. The release liner may comprise a copolymer comprising low density polyethylene and one or more functionalized polysiloxanes. The functionalized polysiloxanes may be chosen from (meth)acrylic ester functionalized polysiloxane and vinyl functionalized polysiloxane.
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
Provided is a method for providing a substrate with an ablative coating using a one-part room temperature curable and sprayable ablative silicone composition. The one-part room temperature curable and sprayable ablative silicone composition is generally thixotropic and cures in depth within 24 hours to provide an ablative or thermal protective layer on an article. The one-part room temperature curable and sprayable ablative silicone composition is substantially free from diluents or solvents. An article having such a coating and the use of the one-part room temperature curable and sprayable ablative silicone composition in the preparation of such an article are also provided.
B05D 5/00 - Procédés pour appliquer des liquides ou d'autres matériaux fluides aux surfaces pour obtenir des effets, finis ou des structures de surface particuliers
C08G 77/08 - Procédés de préparation caractérisés par les catalyseurs utilisés
C08G 77/20 - Polysiloxanes contenant du silicium lié à des groupes aliphatiques non saturés
C08K 5/544 - Composés contenant du silicium contenant de l'azote
C08K 9/04 - Ingrédients traités par des substances organiques
C09D 7/62 - Adjuvants non macromoléculaires inorganiques modifiés par traitement avec d’autres composés
C09D 7/63 - Adjuvants non macromoléculaires organiques
A class of silicone polyethers represented by formula (I) along with methods for their preparation including the steps of combining: a) a polyorganohydrogensiloxane (“—SiH polymer”) as represented by formula (VI) and b) a polyoxyalkylene as represented by formula (VII) in the presence of c) a hydrosilylation catalyst.
The present disclosure relates to an apparatus for filling a syringe. The apparatus comprises: a pipeline for delivering a low viscous material discharged from a container; at least one downwardly directed injection port to connect with a syringe to be filled with the material delivered through the pipeline; a piston disposed within the syringe to be linearly movable in a longitudinal direction of the syringe and sealing the injected material between the injection port and the piston; and a syringe rod coupled to the syringe so as to press the piston into the syringe and to indicate a position of the piston. Each injection port has a needle valve to open and close the injection port.
A61M 5/20 - Seringues automatiques, p. ex. avec tige de piston actionnée automatiquement, avec injection automatique de l'aiguille, à remplissage automatique
This disclosure relates to a peelable coating composition which dries/cures to a peelable coating. The composition comprises an aqueous styrene-(meth)acrylic emulsion copolymer binder in combination with a silicone polyether copolymer. The resulting peelable coating provides temporary protection to articles and/or substrates during a period of construction, storage or transportation or the like, and is designed to be water-resistant such that it is able to continue protecting substrates after periods of time in the open-air, exposed to the elements, e.g., rain.
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 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
48.
A MOISTURE RESISTANT TWO-COMPONENT ADHESIVE COMPOSITION
A two-component adhesive composition comprising the reaction product of: a polyol component, comprising at least one hydrophobic polyol: and an isocyanate component, comprising polyphosphoric acid and the reaction product of (I) an isocyanate compound and (II) a dimer acid polyester polyol.
C09J 175/06 - Polyuréthanes à partir de polyesters
C08G 18/38 - Composés de bas poids moléculaire contenant des hétéro-atomes autres que l'oxygène
C08G 18/42 - Polycondensats contenant des groupes ester carboxylique ou carbonique dans la chaîne principale
C08G 18/79 - Polyisocyanates ou polyisothiocyanates contenant des hétéro-atomes autres que l'azote, l'oxygène ou le soufre de l'isocyanate ou de l'isothiocyanate de l'azote caractérisés par le polyisocyanate utilisé, celui-ci contenant des groupes formés par oligomérisation d'isocyanates ou d'isothiocyanates
C09J 11/04 - Additifs non macromoléculaires inorganiques
49.
DISPERSION OF A WAX IN AN ALKYL METHYL SILOXANE FLUID
162828 hydrocarbon wax in an alkyl methyl silicone fluid continuous phase of Formula 1: Formula 1 where R, R 1, m, and n are defined herein. The relative amounts of the wax and the alkyl methyl silicone fluid are such that the viscosity of the dispersion is in the range of from 10 cSt to 100 cSt and the phase change energy absorbed of the dispersion is at least 12 J/g. The composition is useful as a 2-phase immersion cooling fluid.
C09K 5/00 - Substances pour le transfert de chaleur, pour l'échange de chaleur ou pour le stockage de la chaleur, p. ex. réfrigérantsSubstances pour la production de chaleur ou de froid par des réactions chimiques autres que la combustion
A drainage enhancing aqueous fabric softener formulation is provided, including: water; a fabric softening agent; and a drainage aid component, wherein the drainage aid component comprises: 40-99 wt %, based on weight of the drainage aid component, of an organopolysiloxane comprising: 0-60 mol % of units of formula I and 40-100 mol % of units of formula II
A drainage enhancing aqueous fabric softener formulation is provided, including: water; a fabric softening agent; and a drainage aid component, wherein the drainage aid component comprises: 40-99 wt %, based on weight of the drainage aid component, of an organopolysiloxane comprising: 0-60 mol % of units of formula I and 40-100 mol % of units of formula II
Rx1SiO(4-x)/2 (I)
A drainage enhancing aqueous fabric softener formulation is provided, including: water; a fabric softening agent; and a drainage aid component, wherein the drainage aid component comprises: 40-99 wt %, based on weight of the drainage aid component, of an organopolysiloxane comprising: 0-60 mol % of units of formula I and 40-100 mol % of units of formula II
Rx1SiO(4-x)/2 (I)
Ry1Rz2SiO(4-y-z)/2 (II)
A drainage enhancing aqueous fabric softener formulation is provided, including: water; a fabric softening agent; and a drainage aid component, wherein the drainage aid component comprises: 40-99 wt %, based on weight of the drainage aid component, of an organopolysiloxane comprising: 0-60 mol % of units of formula I and 40-100 mol % of units of formula II
Rx1SiO(4-x)/2 (I)
Ry1Rz2SiO(4-y-z)/2 (II)
wherein x is 0-3; y is 0-2; z is 1-2; y+z is 1-3; R1 is selected from a hydrogen, a hydroxy group and a group having 1 to 8 carbon atoms; R2 is an -AcR3 group; wherein A is a divalent linking group; c is 0-1; R3 is a group having 9 to 35 carbon atoms; 1-30 wt %, based on weight of the drainage aid component, of an organosilicon resin; and 0 to 30 wt %, based on weight of the drainage aid component, of a hydrophobic additive.
A method for removing color from cyanoethyltrimethoxysilane from various sources is disclosed. The cyanoethyltrimethoxysilane can be used in polyorganosiloxane compositions that cure to form products such as silicone sealants that may be white or colorless.
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 77/388 - Polysiloxanes modifiés par post-traitement chimique contenant des atomes autres que le carbone, l'hydrogène, l'oxygène ou le silicium contenant de l'azote
There is provided a two-part moisture cure organopolysiloxane composition comprising a base part and a catalyst package part. The catalyst package part, despite comprising amino silane(s), alkoxy silane(s), tin catalyst(s) and optionally reinforcing filler(s) and/or extending filler(s) in a carrier fluid, undergoes minimal phase separation during storage. This is achieved by utilizing one or more polyarylorganosiloxane polymers or silicone copolymers thereof as the carrier fluid, enabling the catalyst package part to be stored and function as a shelf stable continuous phase.
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 77/16 - Polysiloxanes contenant du silicium lié à des groupes contenant de l'oxygène à des groupes hydroxyle
A solid laundry drainage aid is provided, including: 45-99.99 wt % solid carrier; and 0.01-25 wt % drainage aid component, comprising: 40-99 wt %, based on weight drainage aid component, of an organopolysiloxane comprising: 0-60 mol % of units of formula I and 40-100 mol % of units of formula II
A solid laundry drainage aid is provided, including: 45-99.99 wt % solid carrier; and 0.01-25 wt % drainage aid component, comprising: 40-99 wt %, based on weight drainage aid component, of an organopolysiloxane comprising: 0-60 mol % of units of formula I and 40-100 mol % of units of formula II
Rx1SiO(4-x)/2 (I)
A solid laundry drainage aid is provided, including: 45-99.99 wt % solid carrier; and 0.01-25 wt % drainage aid component, comprising: 40-99 wt %, based on weight drainage aid component, of an organopolysiloxane comprising: 0-60 mol % of units of formula I and 40-100 mol % of units of formula II
Rx1SiO(4-x)/2 (I)
Ry1Rz2SiO(4-y-z)/2 (II)
A solid laundry drainage aid is provided, including: 45-99.99 wt % solid carrier; and 0.01-25 wt % drainage aid component, comprising: 40-99 wt %, based on weight drainage aid component, of an organopolysiloxane comprising: 0-60 mol % of units of formula I and 40-100 mol % of units of formula II
Rx1SiO(4-x)/2 (I)
Ry1Rz2SiO(4-y-z)/2 (II)
wherein x is 0-3; y is 0-2; z is 1-2; y+z is 1-3; R1 is a hydrogen, a hydroxy group or a group having 1 to 8 carbon atoms; R2 is an -AcR3 group; A is a divalent linking group; c is 0-1; R3 is a group having 9-35 carbon atoms; 1-30 wt %, based on weight drainage aid component, of an organosilicon resin; and 0-30 wt %, based on weight drainage aid component, of a hydrophobic additive; wherein the solid laundry drainage aid contains <3 wt % laundry actives; and wherein the solid laundry drainage aid contains <5 wt % water.
A two-part moisture cure organopolysiloxane composition comprising a base part and a catalyst package part is provided. The catalyst package part undergoes minimal phase separation during storage despite comprising amino silane(s), alkoxy silane(s), and tin catalyst(s) and optionally reinforcing filler(s) and/or extending filler(s). This is given by the utilization of one or more linear or branched polyethers as a carrier fluid thereby enabling the catalyst package part to function as a shelf stable continuous phase.
The phase stability of a recyclate polyol dispersion is improved by shearing the dispersion, using a rotor/stator or other suitable device. After shearing, the recyclate polyol dispersion exhibits a lower Lumisizer Stability Index (indicating improved phase stability). The improved storage stability results in easier storage, transportation and use of the recyclate polyol dispersion.
C08J 11/10 - Récupération ou traitement des résidus des polymères par coupure des chaînes moléculaires des polymères ou rupture des liaisons de réticulation par voie chimique, p. ex. dévulcanisation
C08J 11/24 - Récupération ou traitement des résidus des polymères par coupure des chaînes moléculaires des polymères ou rupture des liaisons de réticulation par voie chimique, p. ex. dévulcanisation par traitement avec une substance organique par traitement avec des composés organiques contenant de l'oxygène contenant des groupes hydroxyle
The present disclosure relates to a method for manufacturing an encapsulant composition, an encapsulant composition, and an apparatus for manufacturing an encapsulant composition. According to the apparatus and manufacturing method according to the present disclosure, in a situation where requirements for low moisture content of display manufacturing materials are becoming more common and strengthened as display technology develops, it is possible to solve the problems of contamination and complex process concerns inherent in conventional drying technologies.
n9-159-15 alkyl group; wherein n is an average of 1-2.5; wherein S is a monosaccharide selected from the group consisting of ribulose, xylulose, ribose, arabinose, xylose, lyxose and mixtures thereof; and wherein 70-100 wt% of the monosaccharide S, based on weight of monosaccharide S in the linear alkyl polysaccharide of formula (A), is xylose; wherein with the aqueous personal care rinse off formulation comprises <0.01 wt%, based on weight of the aqueous personal care rinse off formulation, of alkyl sulfate surfactant and alkyl ether sulfate surfactant.
A composition contains microcapsules showing good thermal stability and comprising a core and a shell, where the core comprises (A) a phase change material component which comprises: (A1) a fatty acid ester, (A2) from 1 to 6 weight percent of a fatty acid having 10 to 18 carbon atoms, based on the weight of the fatty acid ester, and (A3) 0 to 10 weight percent of a fatty alcohol, based on the weight of the fatty acid ester; and where the shell comprises a reaction product of an isocyanate component and an amine compound, where the isocyanate component comprises, based on the weight of the phase change material component, (B1) 1 to 20 weight percent of an aliphatic isocyanate having at least two isocyanate groups, and (B2) 1 to 20 weight percent of an aromatic isocyanate having at least two isocyanate groups; where the weight ratio of the aliphatic isocyanate to the aromatic isocyanate is in a range of from 8.5∶1.5 to 1.5∶8.5; and where the amine compound comprises at least two amino functional groups selected from a primary amino group, a secondary amino group, or combinations thereof; and wherein the amine compound is present in an amount to provide a molar ratio of total primary and secondary amino groups to isocyanate groups in a range of 0.3∶1 to 1.5∶1. A method of preparing the composition is also disclosed.
F28D 20/02 - Appareils ou ensembles fonctionnels d'accumulation de chaleur en généralAppareils échangeurs de chaleur de régénération non couverts par les groupes ou utilisant la chaleur latente
Silicone foam compositions for forming foamed silicone elastomers are described herein, together with the respective foamed silicone elastomers formed therefrom and to methods of making such compositions and foamed silicone elastomers. The silicone rubber foam composition comprising: (a) one or more organopolysiloxane polymers having an average of at least two epoxide groups per molecule; (b) a Lewis acid catalyst, (c) one or more surfactants and optionally (d) a physical blowing agent. The foamed silicone elastomers are prepared by either mechanically foaming components (a), (b) and (c); or by introducing a physical blowing agent (d); and causing foaming by physical blowing.
C08J 9/14 - Mise en œuvre de substances macromoléculaires pour produire des matériaux ou objets poreux ou alvéolairesLeur post-traitement utilisant des gaz de gonflage produits par un agent de gonflage introduit au préalable par un agent physique de gonflage organique
C08J 9/30 - Mise en œuvre de substances macromoléculaires pour produire des matériaux ou objets poreux ou alvéolairesLeur post-traitement par mélange de gaz dans des compositions liquides ou des plastisols, p. ex. par fabrication de mousse à l'aide d'air
A silicone-polyolefin composition is disclosed. The silicone-polyolefin composition comprises (A) a polysiloxane, (B) In a functionalized polyolefin, (C) a polyolefin that is not reactable with components (A) or (B), and (D) a curable silicone comprising at least one of an elastomer component or a liquid rubber. The polysiloxane (A) comprises an average of at least one functional group X per molecule, and the functionalized polyolefin (B) comprises an average of at least one functional group Y per molecule, where the functional group X and functional group Y are reactable to form a bond therebetween. A silicone-polyolefin blend, a curable composition comprising the silicone-polyolefin blend, a cured product of the curable composition, and methods of preparing the silicone-polyolefin blend, curable composition, and cured product are also disclosed.
A two-part moisture cure organopolysiloxane composition comprising a base part and a catalyst package part is provided. The catalyst package part, despite comprising amino silane(s), alkoxy silane(s), and tin catalyst(s) and optionally reinforcing filler(s) and/or extending filler(s) in a carrier fluid, undergoes minimal phase separation during storage. This is achieved by utilizing silicon-free linear or branched polyethers comprising repeating units having the average formula (—CnH2n—O—)y wherein n is an integer from 3 to 6 inclusive and y is at least four, comprising one or more —OH terminal groups, —OR10 terminal groups or —OH and —OR10 terminal groups where R10 is an optionally functionalised hydrocarbon group having from 1 to 12 carbons; as the carrier fluid, enabling the catalyst package part to function as a shelf stable continuous phase.
Thermally conductive compositions include a blocked isocyanate prepolymer composition containing an isocyanate prepolymer blocked with one or more of alkylphenol or alkenylphenol; and an amine composition containing: one or more polyetheramines, and one or more catalysts selected from a group consisting of carboxy late salts, tertiary amines, amidines, guanidines, and diazabicyclo compounds; and a thermally conductive filler present at a percent by weight of the thermally conductive composition (wt %) in a range of 60 wt % to 98 wt %; wherein the thermally conductive composition cures at a temperature in the range of 18° C. to 35° C. when the blocked isocyanate prepolymer composition and the amine composition are mixed. Methods include preparing a thermally conductive gap filler prepared by combining a blocked isocyanate prepolymer composition and an amine composition, and curing the resulting thermally conductive composition, such as at room temperature.
C09K 5/14 - Substances solides, p. ex. pulvérulentes ou granuleuses
C08G 18/12 - Procédés mettant en œuvre un prépolymère impliquant la réaction d'isocyanates ou d'isothiocyanates avec des composés contenant des hydrogènes actifs, dans une première étape réactionnelle utilisant plusieurs composés contenant un hydrogène actif dans le premier stade de la polymérisation
C09D 175/12 - Polyuréthanes à partir de composés contenant de l'azote et un hydrogène actif, l'atome d'azote ne faisant pas partie d'un groupe isocyanate
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
H01M 10/6551 - Surfaces spécialement adaptées à la dissipation de la chaleur ou à la radiation, p. ex. nervures ou revêtements
9-159-15 alkyl group; wherein n is an average of 1 to 2.5 and wherein S is a monosaccharide selected from the group consisting of ribulose, xylulose, ribose, arabinose, xylose, lyxose and mixtures thereof; and wherein 70 to 100 wt% of the monosaccharide S, based on weight of monosaccharide S in the linear alkyl polysaccharide of formula A, is xylose.
A61K 8/44 - Acides aminocarboxyliques ou leurs dérivés, p. ex. acides aminocarboxyliques contenant du soufreLeurs sels, esters ou dérivés N-acylés
A61K 8/46 - Cosmétiques ou préparations similaires pour la toilette caractérisés par la composition contenant des composés organiques contenant du soufre
A silicone - (meth)acrylate - polyether copolymer includes a linear siloxane backbone with pendant (meth)acrylate - polyether moieties. The siloxane backbone is made up of a silicone moiety having a silicon bonded mercapto-alkyl linker (wherein the alkyl group in the linker is bonded to a silicon atom in the silicone moiety). The pendant (meth)acrylate - polyether moiety is covalently bonded to a sulfur atom in the mercapto-alkyl linker. The pendant (meth)acrylate - polyether moiety includes a (meth)acrylate - poly(alkylene glycol) unit. The silicone - (meth)acrylate - polyether copolymer is useful as a surfactant, formulation aid, and/or dispersant. The silicone - (meth)acrylate - polyether copolymer may be useful as a defoamer for coatings, oil and gas applications and/or pulp and paper applications. Furthermore, the silicone - (meth)acrylate - polyether copolymer may be useful as an additive for adjusting adhesion and/or release force in paper coatings such as pressure sensitive adhesive and/or release coating compositions.
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 77/392 - Polysiloxanes modifiés par post-traitement chimique contenant des atomes autres que le carbone, l'hydrogène, l'oxygène ou le silicium contenant du soufre
C09D 151/00 - Compositions de revêtement à base de polymères greffés dans lesquels le composant greffé est obtenu par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carboneCompositions de revêtement à base de dérivés de tels polymères
C09D 151/08 - Compositions de revêtement à base de polymères greffés dans lesquels le composant greffé est obtenu par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carboneCompositions de revêtement 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
This relates to a process for the preparation of siloxane polymers and copolymers, made by acid (cationic) catalysed ring-opening polymerisation of macrocyclic cyclosiloxane oligomers having from seven to ten siloxane units per macrocyclic cyclosiloxane oligomers. It also relates to the siloxane polymers and copolymers, made by the process and their uses.
A silicone - (meth)acrylate - polyether copolymer includes a linear siloxane backbone with pendant (meth)acrylate - polyether moieties. The siloxane backbone is made up of a silicone moiety having a silicon bonded mercapto-alkyl linker (wherein the alkyl group in the linker is bonded to a silicon atom in the silicone moiety). The pendant (meth)acrylate - polyether moiety is covalently bonded to a sulfur atom in the mercapto-alkyl linker. The pendant (meth)acrylate - polyether moiety includes a (meth)acrylate - poly(alkylene glycol) unit. The silicone - (meth)acrylate - polyether copolymer is useful as a surfactant in polyurethane foam formulations and polyisocyanurate foam formulations.
This relates to a process for the polymerisation of siloxane polymers and copolymers, made by base catalysed ring-opening polymerisation of macrocyclic cyclosiloxane oligomers having from seven to ten siloxane units per macrocyclic cyclosiloxane oligomer. It also relates to the siloxane polymers and copolymers, made by the process and their uses.
Provided is a battery pack comprising a polysiloxane composite and a method for producing the same. The battery pack comprises a polysiloxane composite, wherein the polysiloxane composite partially or fully fills a gap between two adjacent battery cells and has a mean cell size ≤ 100 μm, which is much smaller than the silicone foam materials/pad made from similar silicone foam composition except using chemical foaming agents. The polysiloxane composite has compressibility which is tunable in large range, compared with common silicone syntactic foam which is not much compressible.
C08J 9/12 - Mise en œuvre de substances macromoléculaires pour produire des matériaux ou objets poreux ou alvéolairesLeur post-traitement utilisant des gaz de gonflage produits par un agent de gonflage introduit au préalable par un agent physique de gonflage
71.
CURABLE POLYSILOXANE COMPOSITION WITH HIGH THERMAL INSULATION PERFORMANCE AT HIGH TEMPERATURE
Provided is a curable polysiloxane composition comprising of: (A) at least one organopolysiloxane having at least two alkenyl groups bonded to silicon per molecule in an amount of 100 parts by weight; (B) at least one organopolysiloxane having at least two hydrogen atoms bonded to silicon per molecule in an amount of 0.5～20 parts by weight; (C) a hydrosilylation catalyst in a catalytic amount; (D) at least one flame retardant filler in an amount of 2～150 parts by weight; and (E) water; wherein component (E) water is dispersed as water droplets in a mixture of said components (A), (B), (C) and (D), with the average droplet size of ≤100 μm. The curable polysiloxane composition has greatly increased thermal insulation performance at high temperature. A process for manufacturing a polysiloxane composite from the curable polysiloxane composition, the use of said polysiloxane composite as thermal insulation materials, as well as an article comprising a polysiloxane composite obtained from said curable polysiloxane composition for thermal insulation.
A process for preparing a reaction product including cyanoethyltrimethoxysilane and a dimer is performed via reaction of cyanoethyltriethoxysilane with methanol and water in the presence of a catalyst. The reaction product is useful as an adhesion promoter, a coupling agent, or a crosslinker. The reaction product may be formulated in a polyorganosiloxane sealant composition.
C07F 7/18 - Composés comportant une ou plusieurs liaisons C—Si ainsi qu'une ou plusieurs liaisons C—O—Si
C08G 77/16 - Polysiloxanes contenant du silicium lié à des groupes contenant de l'oxygène à des groupes hydroxyle
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
C08L 83/06 - Polysiloxanes contenant du silicium lié à des groupes contenant de l'oxygène
C08L 83/08 - Polysiloxanes contenant du silicium lié à des groupes organiques contenant des atomes, autres que le carbone, l'hydrogène et l'oxygène
The present invention is platinum(II) oxalate compound of the following formula: where R1, R2, and R3 are as defined herein. The platinum(II) oxalate compound of the present invention is useful as a catalyst in hydrosilylation reactions, especially the hydrosilylation of curable siloxanes.
A process for preparing a fuoro-silicon polymer includes the following steps: (a) combining octamethylcyclotetrasiloxane, polydimethylsiloxane, tetrakis (vinyldimethylsiloxy) silane, potassium silanolate siloxane; and optionally, trifluoropropylmethylcyclotrisiloxane; (b) adding to the mixture polydimethylaminophosphazenium hydroxide to form a reaction mixtre and heating the reaction mixtre to a temperatre in a range of 140 to 150 degrees Celsius; (c) if trifluoropropylmethylcyclotrisiloxane was not added in step (a), adding it dropwise to the reaction mixture while the reaction mixture is at a temperature in a range of 110 to 150 degrees Celsius; (d) maintaining the reaction mixtre at a temperatre in a range of 140 to 150 degrees Celsius as the viscosity of the reaction mixtre increases and for an equilibrium time in a range of one to 4 additional hours after the reaction mixtre viscosity stabilizes; and terminating the reaction by adding a neutralizer and then stripping volatiles to obtain product.
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
Toughened polyamide composition including: (a) at least one polyamide; (b) at least one toughener component; and (c) at least one siloxane-based component having a viscosity of 1 mm2/s-100,000 mm2/s providing toughened polyamide composition with good impact strength; process for producing the toughened polyamide composition; and articles made from the toughened polyamide composition.
An organosilicon compound with a primary amino-functional group is prepared. A catalyzed reductive amination process for combining a secondary imine-functional organosilicon compound with ammonia and hydrogen produces the primary amino-functional organosilicon compound.
C07F 7/08 - Composés comportant une ou plusieurs liaisons C—Si
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
A curable release coating composition contains: (A) an aliphatically unsaturated polyorganosiloxane having two or more alkenyl groups per molecule; (B) a crosslinker having two or more silicon-bonded hydrogen atoms per molecule in an amount sufficient to provide a molar ratio of silicon-bonded hydrogen atoms to alkenyl groups in the curable release coating composition of 0.8:1 to 5:1; (C) a hydrosilylation reaction catalyst in a catalytic amount; and (D) from 0.01% to 5% by weight, based on the weight of the curable release coating composition excluding solvent if present, of particles of a cured organosiloxane composition, optionally with silica treated coating, having an average particle size of 0.5 to 30 micrometers.
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
The present invention is composition comprising a mixture of a mica and a TR-DRRresin, where each R is independently phenyl or methyl, wherein the mole-to-mole ratio of DRRunits to TRunits is in the range of from 30:70 to 80:20; and wherein the weight-to-weight ratio of mica to the TR-DRR resin is in the range of 20:80 to 80:20. The composition of the present invention is useful as a coating for a substrate, wherein the coating exhibits good adhesion, and crack-resistance when subjected to high temperatures for several weeks.
A curable thermally conductive composition contains: (A) from 1.0 to 4.0 weight-percent of an alkenyl-functional polyorganosiloxane having a viscosity in a range of 25 to 500 millipascal*seconds as determined by ASTM D445-21 using a glass capillary Cannon-Fenske type viscometer at 25 degrees Celsius, wherein the alkenyl-functional polyorganosiloxane has an average chemical structure (I); (B) a silyl-hydride functional polysiloxane crosslinker that contains at least two silyl-hydride groups per molecule and that is present at a concentration to provide a molar ratio of silicon-bonded hydrogen atoms to alkenyl groups for the composition of 0.4 to 1.5; (C) from 92 to 96 weight-percent of thermally conductive fillers comprising: (c1) from 15 to 40 weight-percent of spherical magnesium oxide particles having a D50 in a range of 70 to 130 micrometers, (c2) from 15 to 45 weight-percent of aluminum oxide particles having a D50 in a range of 15 to 40 micrometers, (c3) from 20 to 32 weight-percent of spherical aluminum oxide particles having a D50 in a range of 1 to 5 micrometers, and (c4) from 8 to 20 weight-percent of zinc oxide particles having a D50 in a range of 0.1 to less than 1 micrometer; and (D) a filler treating agent selected from a trialkoxysilyl diorganopolysiloxane, an alkyl trialkoxysilane, or mixtures thereof; where weight-percentages are relative to curable thermally conductive composition weight.
This relates to room temperature vulcanisable (RTV) silicone compositions comprising a polyorganosiloxane polymer comprising at least two hydroxy or hydrolysable groups per molecule, together with a suitable condensation curable cross-linker and one or more chelated rare earth metal catalysts. Such compositions can include various additives and can be stored in one-part or multiple part compositions. This disclosure also relates to silicone elastomers and cured silicone sealants and/or adhesives prepared by curing said compositions as well as the use of said compositions in or as said silicone sealants and adhesives or the like.
This relates to new cerium (IV) organometallic compounds, to methods for making said cerium (IV) organometallic compounds and to their uses as condensation catalysts e.g., for curing room temperature vulcanisable (RTV) silicone compositions comprising a polyorganosiloxane polymer having at least two hydroxy or hydrolysable groups per molecule, together with a suitable condensation curable cross-linker. Such compositions can include various additives and can be stored in one-part or multiple part compositions. This disclosure also relates to silicone elastomers and cured silicone sealants and/or adhesives prepared by curing said compositions using the cerium (IV) organometallic compounds as the catalysts.
C08L 83/00 - Compositions contenant des composés macromoléculaires obtenus par des réactions créant dans la chaîne principale de la macromolécule une liaison contenant uniquement du silicium, avec ou sans soufre, azote, oxygène ou carboneCompositions contenant des dérivés de tels polymères
This relates to new cerium (IV) organometallic compounds, to methods for making said cerium (IV) organometallic compounds and to their uses as condensation catalysts e.g., for curing room temperature vulcanisable (RTV) silicone compositions comprising a polyorganosiloxane polymer having at least two hydroxy or hydrolysable groups per molecule, together with a suitable condensation curable cross-linker. Such compositions can include various additives and can be stored in one-part or multiple part compositions. This disclosure also relates to silicone elastomers and cured silicone sealants and/or adhesives prepared by curing said compositions using the cerium (IV) organometallic compounds as the catalysts.
C08L 83/00 - Compositions contenant des composés macromoléculaires obtenus par des réactions créant dans la chaîne principale de la macromolécule une liaison contenant uniquement du silicium, avec ou sans soufre, azote, oxygène ou carboneCompositions contenant des dérivés de tels polymères
A method for preparing a silanol-functional organosilicon compound from a silyl hydride and an oxidant is provided. The oxidant includes peroxyacetic acid.
The present invention relates to a method comprising the step of contacting a cyclic phenylmethylsiloxane with a chain transfer agent and a catalytic amount of a base under ring-opening polymerization conditions to form a poly(phenylmethyl)siloxane of Formula 1: Formula 1 wherein the cyclic phenylmethylsiloxane is represented by the formula: where R, x, and n are as defined herein. The method of the present invention provides a simple and inexpensive way to produce a key intermediate for the preparation of poly(phenylmethyl)siloxane containing compositions.
The present invention relates to a composition comprising thermally conductive filler particles; a compound of Formula 1: and a compound of Formula 2: wherein R, R', R'', R'''; m; n; p; x; and y are defined herein. The composition of the present invention is useful as a thermally conductive composite that exhibits high thixotropy and polyorganosiloxane compatibility.
This disclosure relates to continuous methods for making foamed silicone products using at least one blowing agent which is a non-flammable and/or inert gas at 0° C. (zero ° C.) and atmospheric pressure (approximately 101,325 Pa). Multiple-part silicone foam compositions used for forming foamed silicone products in the methods, and the resulting foamed silicone product formed from such compositions are also disclosed. The blowing agent may be carbon dioxide, air or nitrogen.
C08J 9/18 - Fabrication de particules expansibles par imprégnation des particules du polymère avec l'agent de gonflage
C08J 9/12 - Mise en œuvre de substances macromoléculaires pour produire des matériaux ou objets poreux ou alvéolairesLeur post-traitement utilisant des gaz de gonflage produits par un agent de gonflage introduit au préalable par un agent physique de gonflage
A method of preparing an organosilicon compound having at least one silicon-bonded carbinol group and/or at least one silanol group with a cytochrome P450 variant that facilitates the oxidization of a silicon-bonded hydrocarbyl group in the presence of an oxidant. The method includes combining the cytochrome P450 variant, an initial organosilicon compound having at least one silicon-bonded hydrocarbyl group, and a cofactor to give a reaction mixture, and exposing the reaction mixture to an oxidant to oxidize the silicon-bonded hydrocarbyl group of the initial organosilicon compound, thereby preparing the organosilicon compound having at least one silicon-bonded carbinol group and/or at least one silanol group. Cytochrome P450 variants suitable for use in the method are also disclosed, along with methods for engineering and optimizing the same. Nucleic acids encoding the cytochrome P450 variants and compositions, expression vectors, and host cells including the same are also disclosed.
A composition contains a photocurable resin that has a weight-average molecular weight of 3000-50000 Daltons, a glass transition temperature of at least 100 degrees Celsius and contains the following siloxane units: 50-80 mole-percent (HSiC>3/2). 10 to 30 mole-percent (R*SiC>3/2), 10 to 40 mole-percent (Ar*SiC>3/2), and 20.0 mole-percent or less of Si—OZ content, where mole-percent values are relative to moles of silicon atoms in the photocurable resin, R* is a photocurable group. Ar* in each occurrence is selected from a group of halogen-substituted aryl groups and polyaryl groups: Z in each occurrence is selected from hydrogen and alkyl groups. and subscripts x and y are independently in each occurrence either one or 2.
A process is provided for preparing an aqueous emulsion of an amino-functional polyorganosiloxane. The process includes mixing A) an amino-functional polyorganosiloxane, B) a non-ionic surfactant, and C) water; and thereafter mixing in additional starting materials including additional water, D) a water soluble salt, E) a pH adjusting agent, and F) a preservative. A phase inversion occurs during the process, such that the resulting emulsion has A) the amino-functional polyorganosiloxane in the internal, discontinuous phase and C) the water in an external, continuous phase.
A61K 8/898 - Polysiloxanes contenant des atomes autres que du silicium, du carbone, de l'oxygène et de l'hydrogène, p. ex. diméthicone copolyol phosphate contenant de l'azote, p. ex. amodiméthicone, triméthyl silyl amodiméthicone, diméthicone propyl PG-bétaïne
A61Q 5/12 - Préparations contenant des agents de conditionnement des cheveux
B01F 101/21 - Mélange d'ingrédients pour des compositions cosmétiques ou de parfum
91.
COMPOSITION AND METHOD OF PREPARING HYDROSILYLATION REACTION PRODUCT
THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOIS (USA)
Inventeur(s)
Jeletic, Matthew
Guironnet, Damien
Bruske, Ericka
Weitzel, Alison
Miller, Susannah
Abrégé
222, where each X is the same and is selected from a fluorinated acetate group or a halide, and each Y is independently selected from a substituted or unsubstituted pyridine group, with the proviso that each Y is not linked to the other Y when substituted.
B01J 31/18 - Catalyseurs contenant des hydrures, des complexes de coordination ou des composés organiques contenant des complexes de coordination contenant de l'azote, du phosphore, de l'arsenic ou de l'antimoine
THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOIS (USA)
Inventeur(s)
Jeletic, Matthew
Guironnet, Damien
Miller, Susannah
Bruske, Ericka
Weitzel, Alison
Abrégé
An encapsulated catalyst for hydrosilylation comprises platinum(0) and/or platinum(II). A polymer encapsulates the platinum(0) and/or platinum(II). The polymer comprises structural units, at least some of the structural units of the polymer include a pyridine moiety, and at least some of the platinum(0) and/or platinum(II) is/are bound to at least some of the pyridine moieties of the polymer. When the platinum of the encapsulated catalyst is platinum(0), the encapsulated catalyst comprises at least 500 equivalents of pyridine moieties relative to total platinum. Methods of preparing the encapsulated catalyst, and compositions including the same, are also disclosed.
B01J 31/16 - Catalyseurs contenant des hydrures, des complexes de coordination ou des composés organiques contenant des complexes de coordination
B01J 31/18 - Catalyseurs contenant des hydrures, des complexes de coordination ou des composés organiques contenant des complexes de coordination contenant de l'azote, du phosphore, de l'arsenic ou de l'antimoine
B01J 31/12 - Catalyseurs contenant des hydrures, des complexes de coordination ou des composés organiques contenant des composés organiques ou des hydrures métalliques contenant des composés organométalliques ou des hydrures métalliques
This disclosure relates to silicone foam compositions for forming foamed silicone elastomers, the respective foamed silicone elastomers formed therefrom and to methods of making such compositions and foamed silicone elastomers. The silicone rubber foam composition comprises the (a) one or more organosilicon compounds having an average of at least two silicon bonded alkoxy groups per molecule selected from one or more silicone resins and/or silicone resin intermediates; (b) a Lewis acid catalyst; (c) one or more surfactants; and (d) one or more organopolysiloxane polymers having an average of at least two, alternatively at least three silicon bonded hydrogen groups per molecule.
C08J 9/00 - Mise en œuvre de substances macromoléculaires pour produire des matériaux ou objets poreux ou alvéolairesLeur post-traitement
C08J 9/02 - Mise en œuvre de substances macromoléculaires pour produire des matériaux ou objets poreux ou alvéolairesLeur post-traitement utilisant des gaz de gonflage produits par la réaction des monomères ou par des agents de modification durant la préparation ou la modification des macromolécules
A hair styling polymer is provided, comprising: a cosmetically acceptable carrier; and a hair styling polymer, comprising: 70 to 95 wt%, based on dry polymer, of monoethylenically unsaturated vinyl alkanoate monomer having 4-13 carbon atoms; 5 to 30 wt%, based on dry weight of the hair styling polymer, of structural units of monoethylenically unsaturated carboxylic acid/carboxylic anhydride functionalized vinyl ester monomer having 4-12 carbon atoms; 0 to 5 wt%, based on dry weight of the hair styling polymer, of structural units of a multiethlenically unsaturated crosslinking monomer; and 0 to 20 wt%, based on dry weight of the hair styling polymer, of structural units of an other monoethylenically unsaturated monomer, wherein the other monoethylenically unsaturated monomer is different from the monoethylenically unsaturated vinyl alkanoate monomer having 4-13 carbon atoms and the monoethylenically unsaturated carboxylic acid/carboxylic anhydride functionalized vinyl ester monomer having 4-12 carbon atoms.
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 5/06 - Préparations pour mettre les cheveux en forme, p. ex. pour mettre en forme ou colorer temporairement
C08F 18/00 - 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 l'un au moins étant terminé par un radical acyloxy d'un acide carboxylique saturé, d'acide carbonique ou d'un acide haloformique
This disclosure relates to a thermal conductive silicone composition. The composition comprises: (A) an organopolysiloxane having at least two silicon atom-bonded alkenyl groups per molecule and having a viscosity at 25° C. of from 10 to 10,000 mPa·s measured using a type B viscometer according to ASTM D 1084, (B) an organopolysiloxane having at least two silicon atom-bonded hydrogen atoms per molecule, (C) a specific adhesion promoter, (D) at least one thermal conductive filler, (E) at least one filler treating agent, and (F) a hydrosilylation reaction catalyst, with the proviso that the composition does not contain a condensation catalyst. The composition exhibits good self-adhesive properties to various substrates even when it is cured at a relatively low temperature, without impairing its flowability.
An alkoxy-functional silsesquioxane resin and hydrosilylation reaction processes for its preparation are provided. The alkoxy-functional silsesquioxane resin is a liquid under ambient conditions and is useful in solvent-borne and solventless moisture curable compositions, such as coating compositions.
C08G 77/18 - Polysiloxanes contenant du silicium lié à des groupes contenant de l'oxygène à des groupes alcoxyle ou aryloxyle
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
C09D 183/14 - Compositions de revêtement à base de composés macromoléculaires obtenus par des réactions créant dans la chaîne principale de la macromolécule une liaison contenant uniquement du silicium, avec ou sans soufre, azote, oxygène ou carboneCompositions de revêtement à base de dérivés de tels polymères dans lesquels au moins deux atomes de silicium, mais pas la totalité, sont liés autrement que par des atomes d'oxygène
97.
EMULSION OF ALKOXY-FUNCTIONAL SILSESQUIOXANE RESIN AND PROCESSES FOR THE PREPARATION AND USE THEREOF
An alkoxy-functional silsesquioxane resin and hydrosilylation reaction processes for its preparation are provided. The alkoxy-functional silsesquioxane resin is a liquid under ambient conditions and is useful in solvent-borne, solventless, and water-borne curable compositions.
A curable composition contains: (a) 15 to 73 weight-percent of a vinyl functional M-capped aryl silsesquioxane resin: (b) 0.5 to 5 weight-percent of a vinyl functional disiloxane: (c) 2 to 25 wt % of a silicon-hydride functional M-capped silsesquioxane resin; and (d) 1 to 10 weight parts per million weight parts of platinum from a platinum hydrosilylation catalyst: wherein the sum of the concentration of (a) and (b) is at least 35 weight-percent: weight-percent values are relative to weight of curable composition; and the curable composition is free of acetylenic alcohol hydrosilylation inhibitors.
A process for reducing hair damage upon exposure to heat is provided, including: providing a cosmetically acceptable aqueous carrier: selecting a heat protectant, wherein the heat protectant is selected based on its ability to impart thermal protection to hair from exposure to heat, wherein the heat protectant is selected to be a functionalized dextran polymer, comprising a dextran polymer functionalized with moieties selected from (i) tertiary amine groups: (ii) quaternary ammonium groups; and (iii) combinations thereof; providing the selected heat protectant; combining the cosmetically acceptable aqueous carrier and the heat protectant to form an aqueous thermal protectant formulation; providing hair; applying the aqueous thermal protectant formulation to the hair to provide protected hair; providing a heat generating hair care appliance; and exposing the protected hair to a temperature of 50 to 300 C using the heat generating hair care appliance for 1 to 30 minutes.
A process for making an organosilicon compound is provided. The process involves isomerization and hydrosilylation starting with an internal olefinic compound and a silyl hydride compound. A catalyst composition including a Platinum hydrosilylation reaction catalyst and an Iridium (I) – ligand complex is capable of catalyzing the isomerization and hydrosilylation reactions.
