A coated article, such as a proppant, includes a base substrate and one or more polyurethane based coatings on an outer surface of the base substrate. The one or more polyurethane based coatings including the reaction product of an isocyanate component that has at least one isocyanate and an isocyanate-reactive component that has one or more simple polyols and one or more polyether monols at a ratio from 1:18 to 18:1. An isocyanate index is greater than 0.2 and less than 1.0.
C09K 8/80 - Compositions for reinforcing fractures, e.g. compositions of proppants used to keep the fractures open
C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
This relates to the coating of air bags, which are used for safety purposes to protect occupants of vehicles such as automobiles, and of air bag fabrics intended to be made into air bags. In particular the invention relates to the top coating of air bags and air bag fabrics which have been pre-coated with a cured organic resin coating composition. The top-coat is an anti-blocking coating composition comprising at least one solid lubricant dispersed in an organic polymer binder. A process for applying the top-coat is also described.
B60R 21/235 - Inflatable members characterised by their material
D06N 3/00 - Artificial leather, oilcloth, or like material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
C10M 173/02 - Lubricating compositions containing more than 10% water not containing mineral or fatty oils
D06N 3/04 - Artificial leather, oilcloth, or like material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
D06N 3/14 - Artificial leather, oilcloth, or like material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds with polyurethanes
D06N 3/18 - Artificial leather, oilcloth, or like material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with two layers of different macromolecular materials
3.
ADHESIVE DELAMINATION LAYER INCLUDING FLUOROORGANOPOLYSILOXANE
Various embodiments disclosed relate to an adhesive delamination layer including fluoroorganopolysiloxane, and to related aspects such as methods for display device substrate processing. In various embodiments is a method of processing a display device substrate. The method can include securing the display device substrate to a carrier substrate with an adhesive delamination layer including a cured product of a precursor adhesive composition. The precursor adhesive composition can include Component (A), a hydrogenorganopolysiloxane. The precursor adhesive composition can also include Component (B), a (C2-C20)alkenyl-functionalized organopolysiloxane, wherein the (C2-C20)alkenyl group is uninterrupted or interrupted by 1, 2, or 3 groups independently chosen from -O-, -S-, substituted or unsubstituted -NH-, -(O-(C2-C3)alkylene)n- wherein n is 1 to 1,000, -Si((C1-C5)alkoxy)2-, and -Si((C1-C5)alkyl)2-. At least one of Component (A) and Component (B) can be a fluoroorganopolysiloxane.
C09J 183/08 - Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen
H01L 21/683 - Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereofApparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components for supporting or gripping
4.
POLYORGANOSILOXANE COMPOSITIONS WITH METAL BASED N-HETEROCYCLIC CARBENE CONDENSATION REACTION CATALYSTS AND METHODS FOR THE PREPARATION THEREOF
A complex prepared by combining a metal compound and an N-heterocyclic carbene has catalytic activity for condensation reaction of polyorganosiloxane compositions. The composition includes the complex, a silanol functional compound having an average per molecule of one or more silicon bonded hydroxy moieties.
A smart optical material characterized in that when the material is at ambient temperature (≤ 30° C), it is opaque to at least one color light in the visible light spectrum and when the material is at an elevated temperature of at least 80° C, it is substantially transparent to the at least one color light. The smart optical material is also characterized as having before thermal aging an elongation-at-break of at least 15% and after thermal aging in air at 200° C for seven days an elongation-at-break that is unchanged or is at least 12% and has decreased by from > 0% to less than 50%. Also included are related formulations, methods, uses, articles and devices.
G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
A method of preparing an oil-in-water emulsion comprises combining (A) an organopolysiloxane including at least two silicon-bonded hydrolysable or hydroxyl groups and (B) an organic oil to give a mixture. The method further comprises combining the mixture, (C) an aqueous medium and (D) a surfactant to form an initial emulsion. Finally, the method comprises contacting the organopolysiloxane (A) with (D1) an organic acid catalyst to polymerize the organopolysiloxane (A) to give (A1) a high molecular weight organopolysiloxane and the oil-in-water emulsion. A personal care composition comprising the oil-in-water emulsion and a personal care ingredient is also disclosed.
A process for purifying an acryloyloxysilane comprising subjecting a mixture comprising an acryloyloxysilane, a haloorganoalkoxysilane, and an alkane-based non-polar solvent to a temperature and pressure sufficient to vaporize a portion of the non-polar solvent, the haloorganoalkoxysilane, or the non-polar solvent and the haloorganoalkoxysilane from the mixture to produce a purified mixture comprising the acryloyloxysilane. The examples disclose a three-step short-path distillation process, where in the first two passes, the residue-fraction is the one containing the product, whereas in the third path, the distillate is containing the purified product.
A process for preparing an acryloyloxysilane, comprising: reacting a metal salt of a carboxylic acid having the formula [CR22=CR1CO-]aMa+ (I), with a haloorganoalkoxysilane having the formula XR3Si(OR4)nR53-n (II) at a temperature of from 50 to 160 °C and in the presence of a catalyst, and in the presence of water, an alcohol comprising 1 to 5 carbon atoms, or a combination of water and an alcohol comprising 1 to 5 carbon atoms, to form a mixture comprising an acryloyloxysilane and a metal halide having the formula Ma+X-a (III), wherein R1 is H, R7COO- Ma+, or C1-C6 hydrocarbyl, each R2 is independently R1 or [COO-]Ma+, Ma+ is an alkali metal cation or alkaline earth metal cation, a is 1 or 2, X is halo, R3 is C1-C6 hydrocarbylene, each R4 is independently C1-C10 hydrocarbyl, each R5 is independently R1 and n is an integer from 1 to 3.
Disclosed is a Silicon Precursor Compound for deposition, the Silicon Precursor Compound comprising pentachlorodisilane; a composition for film forming, the composition comprising the Silicon Precursor Compound and at least one of an inert gas, molecular hydrogen, a carbon precursor, nitrogen precursor, and oxygen precursor; a method of forming a silicon- containing film on a substrate using the Silicon Precursor Compound, and the silicon-containing film formed thereby.
C23C 16/455 - Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into the reaction chamber or for modifying gas flows in the reaction chamber
Disclosed is a Silicon Precursor Compound for deposition, the Silicon Precursor Compound comprising diisopropylamino-pentachlorodisilane, which is of formula (A): [(CH3)2CH]2NSiCl2SiCl3 (A); a composition for film forming, the composition comprising the Silicon Precursor Compound and at least one of an inert gas, molecular hydrogen, a carbon precursor, nitrogen precursor, and oxygen precursor; a method of forming a silicon- containing film on a substrate using the Silicon Precursor Compound, and the silicon- containing film formed thereby.
C23C 16/455 - Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into the reaction chamber or for modifying gas flows in the reaction chamber
A method is useful for forming a product including a cyclic siloxane compound. The method includes combining an organodihalosilane and a transition metal on cerium(IV) oxide catalyst, in a reactor at a temperature of to form the product.
The present invention relates to a process for modifying a silicone elastomeric based surface of a textile article characterised in that the coefficient of friction of the silicone elastomeric based surface is reduced by at least 5%, by subjecting the silicone elastomeric based surface of the textile article to vacuum ultraviolet radiation.
D06N 3/12 - Artificial leather, oilcloth, or like material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
D06N 3/00 - Artificial leather, oilcloth, or like material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
The present invention relates to a process for modifying a silicone elastomeric based surface of an article characterised in that the coefficient of friction of the silicone elastomeric based surface is reduced by at least 5%, by subjecting the silicone elastomeric based surface of the article to vacuum ultraviolet radiation.
The present invention provides methdos for preparing emulsions of silicone fluids having pituitous rheological properties. The present invention also provides emulsions of a silicone fluid having pituitous rheological properties and composition comprising the emulsions. The compositions include, but are not limited to, personal care compositions and compositions for hair shampoo, hair conditioner, hair treatment composition, or skin care product.
C08L 83/14 - Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon onlyCompositions of derivatives of such polymers in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms
C08J 3/07 - Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media from polymer solutions
A fluid composition comprises A) a branched organopolysiloxane and B) a carrier fluid. Component A) comprises the reaction product of a) a cyclic siloxane and b) a polyorganosiloxane, in the presence of a hydrosilylation catalyst. Component a) has at least two silicon-bonded alkenyl groups per molecule, and component b) has at least two silicon-bonded hydrogen atoms per molecule. The fluid composition has a viscosity of at least 100 mPa⋅s at 23 °C and exhibits pituitous rheological properties. The pituitous rheological properties are generally determined from a plot of normal force (in Pascals) vs a perpendicular shear rate in (sec-1). Also disclosed is a personal care composition that comprises the fluid composition. When formulated into a personal care composition, the fluid composition generally provides enhanced sensory and film-forming properties based on its pituitous rheological properties.
C08L 83/14 - Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon onlyCompositions of derivatives of such polymers in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms
C08G 77/50 - Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms by carbon linkages
A fluid composition comprises I) a first component and II) second component different from the first component I). The first component I) comprises at least one copolymer. The copolymer can include a cross-linked siloxane (e.g. a cross-linked aminosiloxane), a silicone polyether copolymer (e.g. an (AB)n silicone polyether copolymer), and/or a saccharide siloxane copolymer. The second component II) comprises an organopolysiloxane resin (e.g. an MQ resin) and/or an acrylate copolymer. The fluid composition can further comprise a carrier fluid, such as a silicone, an organic solvent, and/or an organic oil. The fluid composition may have a viscosity of at least 100 mPa∙s at 23 °C and exhibit pituitous rheological properties (generally determined from a plot of normal force (in Pascals) vs a perpendicular shear rate in (sec-1)). Also disclosed is a personal care composition that comprises the fluid composition.
A61K 8/894 - Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone modified by a polyoxyalkylene group, e.g. cetyl dimethicone copolyol
A61K 8/898 - Polysiloxanes containing atoms other than silicon, carbon, oxygen and hydrogen, e.g. dimethicone copolyol phosphate containing nitrogen, e.g. amodimethicone, trimethyl silyl amodimethicone or dimethicone propyl PG-betaine
A61K 8/891 - Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone
An intumescent coating material, the material comprising first and second parts mixable together so that the material will cure by an addition reaction in the presence of a metallic catalyst. The first part including a polydiorganosiloxane polymer having at least two unsaturated groups per molecule. The first part also including the metallic catalyst and a reinforcing filler. The second part including an organohydrogensiloxane crosslinker described by formula R13Si(OSiR22)x(OSiMeH)yOSiR13, where each R2 is independently selected from saturated hydrocarbon radicals comprising from 1 to 10 carbon atoms or aromatic hydrocarbon radicals and each R1 is independently selected from hydrogen or R2, x is zero or an integer and y is an integer. The organohydrogensiloxane has at least three Si-H bonds per molecule.
An intumescent coating material, the material comprising first and second parts mixable together so that the material will cure by an addition reaction in the presence of a metallic catalyst. The first part including a polydiorganosiloxane polymer having at least two unsaturated groups per molecule. The first part also including the metallic catalyst and a reinforcing filler. The second part including an organohydrogensiloxane crosslinker described by formula R1 3Si(OSiR2 2)x(OSiMeH)yOSiR1 3, where each R2 is independently selected from saturated hydrocarbon radicals comprising from 1 to 10 carbon atoms or aromatic hydrocarbon radicals and each R1 is independently selected from hydrogen or R2, x is zero or an integer and y is an integer. The organohydrogensiloxane has at least three Si-H bonds per molecule.
A method is useful for maintaining a uniformly fluidized bed in a fluidized bed apparatus. The method includes the steps of charging a mixture of particles including copper silicide particles and fluidization additive particles into the fluidized bed apparatus, and uniformly fluidizing the particles at a temperature of at least 400 °C in the fluidized bed apparatus.
B01J 8/18 - Chemical or physical processes in general, conducted in the presence of fluids and solid particlesApparatus for such processes with fluidised particles
20.
METHOD OF REMOVING ORGANOPOLYSILOXANES FROM A MIXTURE OF ORGANOPOLYSILOXANES
A method for removing cyclic organopolysiloxanes from an organopolysiloxane mixture, the method comprising: i) contacting an organopolysiloxane mixture comprising a cyclic organopolysiloxane and a non-cyclic organopolysiloxane with nitrogen to form a first stream comprising the nitrogen and the cyclic organopolysiloxane and a second stream comprising the non-cyclic organopolysiloxane.
A method for removing volatile organopolysiloxanes from a gaseous mixture comprising the volatile organopolysiloxane and an inert gas, the method comprising: contacting the gaseous mixture with a cool organopolysiloxane liquid to form a purified gas stream comprising the inert gas.
The present invention provides processes for preparing microcapsules encapsulating a catalyst, the process comprising forming an aqueous emulsion comprising particles having the catalyst, an aqueous continuous phase, and an interface between the particles and the aqueous continuous phase; adding a water reactive silicon compound to the aqueous continuous phase; polymerizing the water reactive silicon compound at the interface of the particles and the continuous phase to obtain microcapsules comprising a core having the catalyst surrounded by a shell of a silicon-based network polymer in an aqueous medium; and removing the aqueous medium to obtain microcapsules comprising a core having the catalyst surrounded by a shell of a silicon-based network polymer and having from 0 to 1 % of water based on the weight of the microcapsules. The present invention also provides processes for curing a composition wherein the processes comprise microcapsules encapsulating catalysts, encapsulated catalyst compositions comprising microcapsules encapsulating catalysts, and one-part compositions for making hydrosilylation product free of cure inhibitors.
A multi-phase silicone acrylic hybrid visco-elastic composition prepared by polymerizing an ethylenically unsaturated monomer and a silicon-containing pressure sensitive adhesive composition comprising acrylate or methacrylate functionality in a first solvent in the presence of an initiator, removing the first solvent, and adding a second solvent to form the multi-phase silicone acrylic hybrid visco-elastic composition. Alternatively, a multi-phase silicone acrylic hybrid visco-elastic composition prepared by polymerizing an ethylenically unsaturated monomer and a silicon-containing pressure sensitive adhesive composition comprising acrylate or methacrylate functionality in a first solvent in the presence of an initiator, adding a processing solvent having a higher boiling point than the first solvent, applying heat to selectively remove a majority of the first solvent, removing the processing solvent, and adding a second solvent to form the multi-phase silicone acrylic hybrid visco-elastic composition. The phase arrangement of the multi-phase silicone acrylic hybrid visco-elastic compositions is selectively controlled by selection of the second solvent.
C08F 230/08 - Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal containing silicon
C08F 220/18 - Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
The invention comprises a butyl acetate-silicone formulation comprising (A) an organopolysiloxane containing an average of at least two silicon-bonded alkenyl groups per molecule, (B) an organosilicon compound containing an average of at least two silicon-bonded hydrogen atoms per molecule; (C) a hydrosilylation catalyst; and a coating effective amount of (D) butyl acetate. The invention also comprises related silicone formulations made by removing a portion, or all, of (D) butyl acetate therefrom, and related cured products, methods, articles and devices.
An apparatus for physical vapor transport growth of semiconductor crystals having a cylindrical vacuum enclosure defining an axis of symmetry; a reaction-cell support for supporting a reaction cell inside the vacuum enclosure; a cylindrical reaction cell made of material that is transparent to RF energy and having a height Hcell defined along the axis of symmetry; an RF coil provided around exterior of the vacuum enclosure and axially centered about the axis of symmetry, wherein the RF coil is configured to generate a uniform RF field along at least the height Hcell; and, an insulation configured for generating thermal gradient inside the reaction cell along the axis of symmetry. The ratio of height of the RF induction coil, measured along the axis of symmetry, to the height Hcell may range from 2.5 to 4.0 or from 2.8 to 4.0.
C30B 30/04 - Production of single crystals or homogeneous polycrystalline material with defined structure characterised by the action of electric or magnetic fields, wave energy or other specific physical conditions using magnetic fields
A method for producing an organohalosilanes comprising reacting an organic compound comprising a halogen-substituted or unsubstituted alkane, a halogen-substituted or unsubstituted alkene, or an aromatic compound and at least one hydridohalosilane of formula RnSiHmX4-m-n, wherein each R is independently C-1 -C-1 4 hydrocarbyl or C-1 -C-1 4 hologen-substituted hydrocarbyl, X is fluoro, chloro, bromo, or iodo, n is 0, 1, or 2, m is 1, 2 or 3, and m+n=1, 2 or 3, in the presence of a heterogeneous catalyst comprising an oxide of one or more of the elements Sc, Y, Ti, Zr, Hf, B, Al, Ga, In, C, Si, Ge, Sn, or Pb, at a temperature greater than 100 °C, and at a pressure of at least 690 kPa, to produce a crude reaction product comprising the organohalosilane.
The various embodiments of the present invention relate to condensation curable silicone compositions comprising: a condensation curable polyorganosiloxane; and treated particles comprising a particulate solid having an effective amount of nitrogen-containing base (e.g., a nitrogen-containing superbase) disposed thereon. Other embodiments of the present invention relate to methods for preparing the aforementioned treated particles; the treated particles themselves; and methods of using the treated particles and compositions of the various embodiments of the present invention.
A hardcoat comprising a host matrix, a nanoporous filler in which the dispersed phase is a gas, and nonporous nanoparticles. Also, coating and curable compositions useful for preparing the hardcoat, methods of preparing the hardcoat and compositions, articles comprising the hardcoat or composition, and uses thereof.
A method for producing an organohalosilane, the method comprising: reacting an organic compound comprising a halogen-substituted or unsubstituted aromatic compound with a hydridohalosilane mixture comprising at least two different hydridohalosilanes of formula (I) RnSiHmX4-m-n, where each R is independently C1 -C14 hydrocarbyl or C1-C14 hologen-substituted hydrocarbyl, X is fluoro, chloro, bromo, or iodo, n is 0, 1, or 2, m is 1, 2, or 3 and m + n is 1, 2, or 3, in the presence of a catalyst comprising one or more of the elements Sc, Y, Ti, Zr, Hf, Nb, B, Al, Ga, In, C, Si, Ge, Sn, or Pb, at a temperature greater than 100 °C, and at a pressure of at least 690 kPa, to produce a crude reaction product comprising the organohalosilane, provided that when the at least two different hydridohalosilane comprise a hydridohalosilane of formula (I) where n = 0 and m = 1 and a hydridohalosilane of formula (I) where n = 0 and m = 2, the catalyst is a heterogeneous catalyst comprising an oxide of one or more of the elements Sc, Y, Ti, Zr, Hf, B, Al, Ga, In, C, Si, Ge, Sn, or Pb.
There is provided a gel which is the condensation reaction product of the following composition: (i) at least one condensation curable silyl terminated polymer having at least one, typically at least 2 hydrolysable and/or hydroxyl functional groups per molecule; (ii) a cross-linker selected from the group of a silicone, an organic polymer, a silane or a disilane molecule which contains at least two hydrolysable groups per molecule and typically at least three hydrolysable groups per molecule and (iii) a condensation catalyst selected from the group of titanates, zirconates or tin (II) characterized in that the molar ratio of hydroxyl and/or hydrolysable groups in polymer (i) to hydrolysable groups from (ii) is between 0.5: 1 and 1:1 using a monosilane cross linker or 0.75:1 to 3: 1 using disilanes and the molar ratio of M-OR or tin II functions to the hydroxyl and/or hydrolysable groups in polymer (i) is comprised between 0.01:1 and 0.5:1, where M is titanium or zirconium. The composition, and uses for the gel are also described.
There is provided a gel which is the condensation reaction product of the following composition: (i) at least one condensation curable silyl terminated polymer having at least one, typically at least 2 hydrolysable and/or hydroxyl functional groups per molecule; (ii) a cross-linker selected from the group of a silicone, an organic polymer, a silane or a disilane molecule which contains at least two hydrolysable groups per molecule and typically at least three hydrolysable groups per molecule and (iii) a condensation catalyst selected from the group of titanates, zirconates or tin (II) characterized in that the molar ratio of hydroxyl and/or hydrolysable groups in polymer (i) to hydrolysable groups from (ii) is between 0.5: 1 and 1:1 using a monosilane cross linker or 0.75:1 to 3: 1 using disilanes and the molar ratio of M-OR or tin II functions to the hydroxyl and/or hydrolysable groups in polymer (i) is comprised between 0.01:1 and 0.5:1, where M is titanium or zirconium. The composition, and uses for the gel are also described.
Silicone acrylate copolymer composition, namely, silicone resin-acrylate copolymers and methods of preparing the same. The silicone acrylate composition may include a silicone resin coupled with an acrylate polymer via a linking group. The silicone acrylate composition may be formed by preparing an acrylate or a (meth)acrylate functional resin and carrying out acrylate polymerization in the presence of a functionalized resin. A silane- functional acrylate polymer may be prepared, followed by a reaction to couple a resin to the silane-functional acrylate polymer. The resulting copolymer may then be used as desired, e.g., added to a silicone and acrylate mixture to create a non-separating blend.
C08F 230/08 - Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal containing silicon
The invention provides a process for the production of a pressure sensitive adhesive, comprising dissolving a particulate solid MQ silicone resin having a bulk density in the range 0.4 - 0.9 g/cm3 in a volatile solvent, and dissolving a polydiorganosiloxane having a viscosity of 0.1 to 40,000 Pa.s at 25°C in the volatile solvent before, simultaneously with or after dissolving the solid MQ silicone resin. The process of the present invention allows the production of a pressure sensitive adhesive in a solvent different from the solvent in which the MQ silicone resin was prepared.
A process for preparing a reaction product including a halosilane includes: contacting an unsaturated hydrocarbyl halide and a ternary intermetallic compound at a temperature of 300 °C to 700 °C to form the reaction product. The ternary intermetallic compound includes copper, silicon and a transition metal. The halosilane in the reaction product has formula R1mR2nHoSiX(4-m-n-o)> where each R1 is independently a saturated monovalent hydrocarbyl group, each R2 is independently an unsaturated monovalent hydrocarbyl group; each X is independently a halogen atom; subscript m is 1, 2, or 3; subscript n is 0, 1, or 2; subscript o is 0, 1, or 2; and a quantity (m + n + o) is 1, 2, or 3. At least a portion of the unsaturated hydrocarbyl groups in the unsaturated hydrocarbyl halide are converted to saturated hydrocarbyl groups (R1) in the halosilane.
A method for preparing a reaction product including an aryl-functional silane includes sequential steps (1 ) and (2). Step (1 ) is contacting, under silicon deposition conditions, (A) an ingredient including (I) a halosilane such as silicon tetrahalide and optionally (II) hydrogen (H2); and (B) a metal combination comprising copper (Cu) and at least one other metal, where the at least one other metal is selected from the group consisting of gold (Au), cobalt (Co), chromium (Cr), iron (Fe), magnesium (Mg), manganese (Mn), nickel (Ni), palladium (Pd), and silver (Ag); thereby forming a silicon alloy catalyst comprising Si, Cu and the at least one other metal. Step (2) is contacting the silicon alloy catalyst and (C) a reactant including an aryl halide under silicon etching conditions.
An anchor 20 for securing together interior 48 and exterior building components 46 includes a first end 22 having an outer side 24 for engaging the interior building component and an inner side 26 opposite the outer side 24. The anchor further includes a second end 28 having an outer side 30 and an inner side 32 opposite the outer side of the second end for engaging the exterior building component. A thermal break 38 for reducing thermal bridging between the exterior and interior building components is disposed in a space 34 between the inner sides of the ends and has a first coupling surface 40 bonded to the inner side of the first end and a second coupling surface 42 bonded to the inner side of the second end. An assembly 50 includes the anchor 20 for securing together the interior and exterior building components 46, 48.
E04F 13/08 - Coverings or linings, e.g. for walls or ceilings composed of covering or lining elementsSub-structures thereforFastening means therefor composed of a plurality of similar covering or lining elements
E04B 1/41 - Connecting devices specially adapted for embedding in concrete or masonry
E04B 1/76 - Heat, sound or noise insulation, absorption, or reflectionOther building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
Particles are prepared in an emulsion using a method that includes providing a first reactant having at least two unsaturated carbon-carbon moieties and a second reactant having at least two Si-H moieties, so long as at least one of the unsaturated carbon-carbon moieties of the first reactant or the Si-H moieties of the second reactant is pendant. The method also includes providing a third reactant having a silicon atom and a condensable reactive group bonded to the silicon atom and also having an unsaturated carbon-carbon moiety and/or a Si-H moiety, providing a hydrosilylation catalyst, and providing a polar liquid. The method further includes combining the first, second, and third reactants to form particles that have a cross- linked network wherein the condensable reactive group is disposed on the particles, and adding a silane having an organic moiety and a condensation leaving group to form the particles.
B01J 13/00 - Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided forMaking microcapsules or microballoons
38.
LIGAND COMPONENTS, ASSOCIATED REACTION PRODUCTS, ACTIVATED REACTION PRODUCTS, HYDROSILYLATION CATALYSTS AND HYDROSILYLATION CURABLE COMPOSITIONS INCLUDING THE LIGAND COMPONENTS, AND ASSOCIATED METHODS FOR PREPARING SAME
THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOIS (USA)
Inventor
Dash, Aswini
Rauchfuss, Thomas, B.
Chu, Wan-Yi
Gilbert-Wilson, Ryan, J.
Abstract
A ligand component is formed according to formula (1 ):R 12P-X-N=C(R2)-Y, wherein R1 is Ph or Cyc or a C1-C20 substituted or unsubstituted ailkyl group; each Ph is a substituted or unsubstituted phenyl group; each Cyc is a substituted or unsubstituted cycloalkyl group; X is an unsubstituted arylene or a C2-C3 substituted or unsubstituted alkylene; R2 is H, methyl or Ph; and Y is pyridyl,6-phenylpyridyl or 6-methylpyridyl; with the proviso that when X is a C2 substituted or unsubstituted alkylene and Y is pyridyl, R2 is methyl or Ph. A reaction product including the ligand component and a metal precursor is prepared by combining the ligand component with the metal precursor. An activated reaction product is formed by activating the reaction product as a hydrosilylation catalyst.
C07D 213/16 - Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom containing only hydrogen and carbon atoms in addition to the ring nitrogen atom containing only one pyridine ring
A process for preparing a product including a monohydrogentrihalosilane is disclosed. The process includes the steps of: 1) initially charging a reactor with a contact mass including both fresh silicon and recycled contact mass, where the recycled contact mass is obtained from during or after a production phase of an inorganic Direct Process reaction for production of a monohydrogentrihalosilane; and thereafter 2) feeding to the reactor a hydrogen halide and additional fresh silicon, thereby forming the product.
C03B 29/06 - Reheating glass products for softening or fusing their surfacesFire-polishingFusing of margins in a continuous way with horizontal displacement of the products
A method of preparing condensation cross-linked particles in an emulsion includes combining a first linear reactant having two unsaturated carbon-carbon moieties, a second linear reactant having two Si-H moieties, and a third reactant having at least one condensable reactive group and having up to two unsaturated carbon-carbon moieties or Si- H moieties with the proviso that the third reactant has at least one unsaturated carbon- carbon moiety or Si-H moiety. The first, second, and third reactants are combined in the presence of a hydrosilylation catalyst and a polar liquid to form an emulsion wherein the first, second, and third reactants react via a hydrosilylation reaction to form particles that have a linear backbone wherein the condensable reactive group is disposed thereon. The method also includes cross-linking the linear backbone via a condensation reaction to form the condensation cross-linked particles.
The present invention provides a process for making a bi-modal water continuous emulsion comprising forming a mixture comprising 100 parts by weight of a hydrophobic oil and 1 to 1000 part by weight of a water continuous emulsion having at least one surfactant, and admixing additional quantities of the water continuous emulsion and/or water to the mixture to form a bi-modal water continuous emulsion, wherein the water continuous emulsion forms a first dispersed phase of particle size P1 and the hydrophobic oil forms a second dispersed phase of particle size P2, and wherein the ratio P2:P1 is less than 1. The present invention provides bi-modal water continuous emulsion having a first dispersed phase of particle size P1 and a second dispersed phase of particle size P2 wherein the ratio P2:P1 is less than 1, and personal care and coating compositions comprising the bi-modal water continuous emulsion.
A method for improving the heat stability or heat resistance of a cured fluorosilicone elastomer is presented, comprising: II) mixing a stabilizer with a fluorosilicone elastomer base and a cure agent, to form a curable fluorosilicone elastomer composition said stabilizer comprising; B1) yellow iron oxide, and B2) optionally, an acid acceptor, II) vulcanizing the fluorosilicone elastomer composition containing the stabilizer.
Described are hydrosilylation-curable polyorganosiloxane compositions containing sulfur, including hydrosilylation-curable polyorganosiloxane prepolymers and hydrosilylation- cured polyorganosiloxane polymer products made therefrom, as well as methods of preparing and using the same, devices comprising or prepared from the same, and sulfur- functional organosiloxanes useful therein.
The present invention provides an optical member comprising a silicone material having excellent antifouling property while having good light transmittance, heat resistance, and strength, and an optical semiconductor device and illumination apparatus having excellent antifouling property. The present invention is an optical member comprising a silicone material containing a fluorinated surface, the proportion of F atoms being from 0.1 to 45 at% and/or the ratio of F atoms relative to C atoms being from 0.01 to 1.00 in the atomic composition percentage according to X-ray photoelectron spectroscopy (XPS) of the fluorinated surface.
Vacuum lamination methods for forming conformally coated articles having a preformed lamination layer conformally coated to or on an object such as an LED array are provided. These vacuum lamination methods utilize a single heating step to heat a middle portion of the preformed lamination layer to a flowable condition prior to the preformed lamination layer being conformally coated over the article, such as the array of light emitting diodes disposed on an inner portion of a first side of a submount wafer.
H01L 33/20 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor bodies with a particular shape, e.g. curved or truncated substrate
46.
SILICONE COMPOSITION AND A PRESSURE SENSITIVE ADHESIVE FILM HAVING A PRESSURE SENSITIVE ADHESIVE LAYER MADE FROM THE COMPOSITION
A pressure sensitive adhesive film comprising a substrate film and a pressure sensitive adhesive layer formed on a surface of the substrate film, said pressure sensitive adhesive layer being made from a silicone composition comprising: a diorganopolysiloxane having at least two alkenyl groups in a molecule and having a viscosity at 25°C of from 10,000 to 1,000,000 mPa.s; (B) a diorganopolysiloxane having at least one alkenyl group in a molecule, and being a raw rubberlike at 25°C or having a viscosity at 25°C of more than 1,000,000 mPa-s, in an amount of not more than 10 mass % based on a mass of the composition; (C) an organopolysiloxane resin represented by the following average unit formula: (R13SIO1/2)x (Si04/2)1.0, wherein each R1 represents a halogen-substituted or unsubstituted monovalent hydrocarbon group free from an alkenyl group and ϰ is a number from 0.5 to 1.0; (D) an organohydrogenpolysiloxane having at least two silicon-bonded hydrogen atoms in a molecule; (E) silica fine powder; and (F) a hydrosilylation catalyst.
Adhesive compositions are disclosed. In some embodiments, the adhesive compositions comprise an organosiloxane block copolymer, wherein the blocks of the block copolymer consist of an -Si-O-Si- backbone. The organosiloxane block copolymer comprises at least two blocks that are phase-separated. The organosiloxane block copolymer has at least a first glass transition temperature (Tg1 ) and a second glass transition temperature (Tg2), the second glass transition temperature being at 25°C or higher. A 1 mm thick cast film of the adhesive composition has, in some embodiments, a light transmittance of at least 95%. The adhesive composition of the various embodiments of the present invention can be B-staged at about Tg2 or at about 100°C below Tg2.
The present invention relates to a silicone composition, a substrate, such as cement, coated with the silicone composition, together with a process for providing a cross- linked silicone coated substrate, the silicone composition comprising at least: (A) an organopolysiloxane comprising an organocyclosiloxane; (B) an organosilane comprising at least two cross-blinking groups, X; and (C) an organosilicone resin comprising at least two cross-linking groups, X; wherein at least one of the organosilane (B) and the organosilicone resin (C) comprises at least three cross-linking groups.
C04B 28/02 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
A method of forming a three-dimensional (3D) article comprises the steps of I) printing a first photocurable silicone composition with a 3D printer to form a layer, II) irradiating the layer with an energy source to form an at least partially cured layer, III) printing a second photocurable silicone composition on the at least partially cured layer with the 3D printer to form a subsequent layer, and IV) irradiating the subsequent layer with the energy source to form an at least partially cured subsequent layer. Optionally, steps III) and IV) can be repeated with independently selected photocurable silicone compositions for any additional layer(s) to form the 3D article. The first and second photocurable silicone compositions are the same as or different from one another. Various photocurable silicone compositions can be utilized for the inventive method, including the inventive photocurable silicone compositions described herein.
The present disclosure provides methods of making organosiloxane polymer compositions from hydrosilylation curable compositions comprising at least the components (a) and (b) and at least one of components (c) and (d): (a) an organosiloxane resin material comprising aliphatic unsaturation; and (b) an organosiloxane crosslinker comprising multiple silicon atom-bonded hydrogen atoms (e.g., an "SiH siloxane"); in combination with at least one of (c) at least one organosiloxane comprising at least two silicon atom-bonded hydrogen atoms; and (d) at least one organosiloxane comprising at least two silicon atom-bonded hydrocarbyl groups comprising aliphatic unsaturation (e.g., a "di-vinyl functional siloxane"). Such hydrosilylation curable compositions have, in some instances, significantly faster cure speed, relative to their condensation curable counterparts. A faster cure speed can be important for encapsulating electronic devices, such as light-emitting diode (LED) chip devices, including devices having tall structures.
In a method of supplying an element for covering a non-vision area in a curtain wall (600) on an architectural structure, a plurality of shadow boxes (100) is prefabricated at a location remote from both a unitized curtain wall assembly shop and the architectural structure. The shadow boxes (100) are prefabricated by sealing an interior spacer (130) between a vision glass panel (110) and a back structure (120).
E06B 3/66 - Units comprising two or more parallel glass or like panes in spaced relationship, the panes being permanently secured together, e.g. along the edges
52.
METHOD OF MANUFACTURING LARGE DIAMETER SILICON CARBIDE CRYSTAL BY SUBLIMATION AND RELATED SEMICONDUCTOR SIC WAFER
A method for producing silicon carbide substrates fit for epitaxial growth in a standard epitaxial chamber normally used for silicon wafers processing. Strict limitations are placed on any substrate that is to be processed in a chamber normally used for silicon substrates, so as to avoid contamination of the silicon wafers. To take full advantage of standard silicon processing equipment, the SiC substrates are of diameter of at least 150mm. For proper growth of the SiC boule, the growth crucible is made to have interior volume that is six to twelve times the final growth volume of the boule. Also, the interior volume of the crucible is made to have height to width ratio of 0.8 to 4.0. Strict limits are placed on contamination, particles, and defects in each substrate.
A pituitous silicone fluid includes a hydrosilylation reaction product and a carrier fluid. The hydrosilylation reaction product is the reaction product of a first linear organopolysiloxane and a second linear organopolysiloxane. The first linear organopolysiloxane includes (R1R2R3SiO1/2) and (R4R5SiO2/2) units. Each of R1-R5 is independently a hydrocarbon group so long as at least one of R1-R5 is an alkenyl group. In addition, the first linear organopolysiloxane has a degree of polymerization of from 100 to 15,000. The second linear organopolysiloxane includes (R6R7R8SiO1/2) and (R9R10SiO2/2) units. Each of R6-R10 is independently a hydrocarbon group, polyether group, siloxane group, or polyol group, so long as at least one of R6-R10 is a hydrogen atom. In addition, the second linear organopolysiloxane has a degree of polymerization of from 4 to 1,000. The hydrosilylation reaction product includes alkenyl or Si-H functionality. Personal care compositions can include the pituitous silicone fluid.
A61K 8/895 - Polysiloxanes containing silicon bound to unsaturated aliphatic groups, e.g. vinyl dimethicone
C08J 3/09 - Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids
C08G 77/12 - Polysiloxanes containing silicon bound to hydrogen
C08G 77/20 - Polysiloxanes containing silicon bound to unsaturated aliphatic groups
C08G 77/00 - Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon
C08G 77/14 - Polysiloxanes containing silicon bound to oxygen-containing groups
A silicone elastomer composition ("composition") has customizable sensory characteristics. The composition includes a pituitous silicone fluid that includes a hydrosilylation reaction product and a carrier fluid. The hydrosilylation reaction product generally includes alkenyl or Si-H functionality. The hydrosilylation reaction product is the reaction product of a first linear organopolysiloxane including (R1R2R3SiO-1/2) and (R4R5SiO2/2) units, and a second linear organopolysiloxane including (R6R7R8SiO-1/2) and (R9R10SiO2/2) units. Each of R1-R10 is independently a hydrocarbon group so long as at least one of R1-R5 is an alkenyl group and at least one of R6-R10 js a hydrogen atom. The first linear organopolysiloxane has a DP of from 100 to 15,000. The second linear organopolysiloxane has a DP of from 4 to 1,000. The composition also includes a silicone elastomer different from the hydrosilylation reaction product. Personal care compositions can include the composition.
The present invention provides water dilutable silicone emulsions comprising a silicone and a silicone polyether; a coating composition comprising the emulsions; a process of making the emulsions; and uses of the emulsions.
A method for preparing an article includes applying a first composition on a substrate to form a first layer, and applying a curing condition to a target portion without applying the curing condition to a non-target portion of the first layer to form a first contrast layer. A second composition is then applied on the first contrast layer to form a second layer, and a curing condition is applied to a target portion without applying the curing condition to a non-target portion of the second layer and first contrast layer to form a second contrast layer. A third composition can optionally be applied and cured on the second contrast layer to form a third contrast layer having a cured and uncured portion in the same manner. The uncured portions of these contrast layers are then selectively removed to prepare the article.
C08J 3/24 - Crosslinking, e.g. vulcanising, of macromolecules
C08J 7/18 - Chemical modification with polymerisable compounds using wave energy or particle radiation
G03F 7/00 - Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printed surfacesMaterials therefor, e.g. comprising photoresistsApparatus specially adapted therefor
An optical assembly includes an optical device having an optical surface. The optical assembly further includes an encapsulant. The encapsulant substantially covers the optical surface. In some embodiments, the encapsulant is pre-formed.
B32B 27/28 - Layered products essentially comprising synthetic resin comprising copolymers of synthetic resins not wholly covered by any one of the following subgroups
Methods for fabrication of thermal interposers, using a low stress photopatternable silicone are provided, for use in production of electronic products that feed into packaging of LEDs, logic and memory devices and other such semiconductor products where thermal management is desired. A photopatternable silicone composition, thermally conductive material and a low melting point compliant solder form a complete semiconductor package module. The photopatternable silicone is applied on a surface of a wafer and selectively radiated to form openings which provided user defined bondline thickness control. The openings are then filled with high conductivity pastes to form high conductivity thermal links. A low melting point curable solder is then applied where the solder wets the silicone as well as the thermally conductive path that leads to low thermal contact resistance between the structured z-axis thermal interposer and the heat sink and/or substrate which can be a wafer or PCB.
The present application discloses decorative shape-cast articles including a silicon eutectic alloy. A decorative shape-cast article may have a body having at least one intended viewing surface. The body of the decorative shape-cast article includes at least one silicon eutectic alloy. The silicon eutectic alloy may include a eutectic aggregation of silicon and disilicides of a formula MSi2, wherein M is a metallic element. The at least one intended viewing surface of the decorative shape-cast article comprises at least some of the silicon eutectic alloy. Examples of such decorative shape-cast articles include jewelry, tiles, facades, cases, plates, buttons, knobs, handles, faucets, and sconces, among others.
An electrical device includes a housing having at least one wall defining a cavity. A circuitry substrate is disposed within the cavity with at least one electronic component disposed on and extending from the circuitry substrate. A pottant is disposed within the cavity for encasing the circuitry substrate and the electronic component within the cavity. An insert is coupled to the housing within the cavity. The insert displaces the pottant for minimizing an amount of the pottant required to encase the circuitry substrate and the electronic component. A method of manufacturing the electrical device is also disclosed.
Various embodiments disclosed relate to method of forming organosilicon products. In various embodiments, the present invention provides a method of forming an organosilicon product that can include contacting a first side of a silicone membrane with a nonvolatile liquid reactant. The method can include contacting a second side of the membrane with a gaseous reactant. The contacting can be sufficient to react the gaseous reactant with the liquid reactant to form an organosilicon product on the first side of the silicone membrane. The silicone membrane can be substantially impermeable to the liquid reactant and substantially permeable to the gaseous reactant.
An electrical device includes a housing having at least one wall defining a cavity. A circuitry substrate is disposed within the cavity with at least one electronic component disposed on and extending from the circuitry substrate. A pottant is disposed within the cavity for encasing the circuitry substrate and the electronic component within the cavity. An insert disposed within the cavity and displacing the pottant for minimizing an amount of the pottant required to encase the circuitry substrate and the electronic component.A method of manufacturing the electrical device is also disclosed.
The present disclosure relates to a method of making an optical assembly. An optical device is secured in a fixture, the optical device having an optical surface, wherein a silicone film is positioned with respect to the optical surface, the silicone film having a distal surface relative to the optical surface. The method includes, among other features, imprinting the distal surface of the silicone film to create a surface imprint in the distal surface of the silicone film.
G03F 7/00 - Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printed surfacesMaterials therefor, e.g. comprising photoresistsApparatus specially adapted therefor
64.
METHODS OF REMOVING SILICON FROM SILICON-EUTECTIC ALLOY COMPOSITIONS, AND PRODUCTS MADE BY SUCH METHODS
New methods for selectively etching silicon-silicide materials, and products made therefrom are disclosed. A method may include contacting surfaces of a silicon-silicide product with a caustic etchant. Concomitant to the contacting step, at least some of the silicon may be removed from the silicon-silicide product via the caustic etchant, wherein the average amount of silicon removed during the removing step is a silicon removal rate (Si-RR). Also concomitant to the contacting step (b), a majority of the silicides of the silicon-silicide product may be retained, wherein the average rate of silicides removal during the retaining step is a silicide removal rate (MSix-RR). The ratio of the silicide removal rate to the silicon removal rate may be at least 5.0 (Si-RR / MSix-RR ≥ 5.0). A substance may be deposited into pores created due to the etching of the silicon to create tailored products.
Disclosed is a compound of formula (I): (R1 R2N)SinH2n+1 (I), wherein subscript n is an integer from 3 to 9; and each R1 and R2 independently is (C1 -C6)alkyl, (C3-C6)cycloalkyl, (C2-C6)alkenyl, (C2-C6)alkynyl, or phenyl; or R1 is H and R2 is (C1 -C6)alkyl, (C3-C6)cycloalkyl, (C2-C6)alkenyl, (C2-C6)alkynyl, or phenyl; or R1 and R2 are bonded together to be -R1a_R2a_ wherein -R1a-R2a - is (C2-C5)alkylene. Also disclosed are a method of making, intermediates useful therein, method of using, and composition comprising the compound of formula (I).
Disclosed is a compound of formula (I): (R1 R2N)SinH2n(NR3R4) (I) wherein subscript n, R1, R2, R3 and R4 are as defined herein. Also disclosed are a method of making, intermediates useful therein, method of using, and composition comprising the compound of formula (I).
Chemical processes comprise selectively synthesizing diisopropylamino-disilanes and reduction of chloride in aminosilanes, and the compositions comprise the diisopropylamino- disilanes and at least one reaction by-product prepared thereby. The diisopropylamino- disilanes are diisopropylamino-pentachlorodisilane and diisopropylamino-disilane.
An emulsion includes a liquid continuous phase and a dispersed phase including a cross-linked aminosiloxane polymer. The cross-linked aminosiloxane polymer includes a first siloxane backbone, a second siloxane backbone, and at least one intramolecular structure cross-linking a silicon atom of the first siloxane backbone and a silicon atom of the second siloxane backbone. The intramolecular structure has the chemical structure: (Formula (I)) wherein X is chosen from the following groups; (Formula (II); (Formula (III)); or (Formula (IV)) wherein each R is independently a C-1 -C-10 hydrocarbon group, each R1 is independently a C-1 -C-10 hydrocarbon group, each R2 is independently a hydrogen atom, OH, a C-1 -C-12 hydrocarbon group, a phenyl group, R'(OR")m wherein m is 1 to 3, or R'OH, wherein each of R' and R" is independently an alkyl group, and wherein a is 0 or 1. This disclosure also provides a method of forming the emulsion.
A composition is capable of curing via condensation reaction. The composition uses a new condensation reaction catalyst. The new condensation reaction catalyst is used to replace conventional tin catalysts. The composition can react to form a gum, gel, rubber, or resin.
An aminosiloxane polymer includes at least one Si-bonded functional group. This functional group has the chemical formula: -(R-NH)a-R1-N(R2)-CH(-COOH)(-R3-C(=O)-NR42) (I). In Formula (I), R is a C1-C10 hydrocarbon group. R1 is a C1-C10 hydrocarbon group. R2 is a hydrogen atom, a C1-C12 hydrocarbon group, or a phenyl group. R3 is a C1-C4 hydrocarbon group. Each R4 is independently a hydrogen atom, a C1-C12 hydrocarbon group, a C1-C12 hydroxyl-hydrocarbon group, or a phenyl group. Moreover, "a" is 0 or 1, such that (R-NH) is optional. The aminosiloxane polymer can be formed using the method of this disclosure and can be formed in, and/or included in, the emulsion of this disclosure.
A cross-linked aminosiloxane polymer includes a first siloxane backbone, a second siloxane backbone, and at least one intramolecular structure cross-linking a silicon atom of the first siloxane backbone and a silicon atom of the second siloxane backbone. The intramolecular structure has the chemical structure: (I) In Formula (I), X is chosen from the following groups; (II); (III); or (IV). In groups (II), (III), and (IV), each R is independently a C1-C10 hydrocarbon group. Each R1 is independently a C1 -C10 hydrocarbon group. Each R2 is independently a hydrogen atom, OH, a C1-C12 hydrocarbon group, a phenyl group, R'(OR")m, or R'OH. Each of R' and R" is independently an alkyl group and "m" is 1 to 3. Moreover, "a" is 0 or 1. The cross-linked aminosiloxane polymer can be formed by the method of this disclosure.
A cross-linked composition comprises the reaction product of an organohydrogensiloxane and a cross-linker, in the presence of a hydrosilylation catalyst. The organohydrogensiloxane comprises siloxy units of average formula (I): (R43SiO1/2)(R42SiO2/2)a(R1R4SiO2/2)b(R4HSiO2/2)c(R2R4SiO2/2)d(R3R4SiO2/2)e-(R43Si-O1/2). Each of R1 and R2 is an independently selected hydrogen atom or a substituted or unsubstituted hydrocarbyl group. R3 is a hydrogen atom or a group having at least one carboxyl group or a precursor thereof. R4 is an independently selected substituted or unsubstituted hydrocarbyl group. Further, a ≥0, b ≥0, c ≥1, d ≥0, and e ≥1. The cross-linker has at least two aliphatic unsaturated hydrocarbon groups. A method of forming the cross-linked composition comprises the steps of providing the organohydrogensiloxane and cross-linker, and combining the organohydrogensiloxane and cross-linker in the presence of the hydrosilylation catalyst to form the cross-linked composition. A cosmetic composition is provided that includes the cross-linked composition and at least one cosmetic component.
C08L 83/14 - Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon onlyCompositions of derivatives of such polymers in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms
73.
TERNARY SILICON-CHROMIUM EUTECTIC ALLOYS HAVING MOLYBDENUM, COPPER OR SILVER
Ternary silicon alloys and shape cast products made therefrom are disclosed. The ternary silicon alloys generally include silicon as the first alloying element, chromium as the second alloying element, and one of silver (Ag), copper (Cu) and molybdenum (Mo) as the third alloying element. The ternary silicon alloy includes a eutectic amount of the silicon and the chromium. The ternary silicon alloy also generally includes an amount of the third alloying element sufficient to realize at least one of (a) improved castability and (b) biomedical enhancement. Shape cast products made from the ternary silicon alloy may be used in various applications, such as biomedical applications (e.g., implantable medical products).
An optical element comprises an antireflective layer that is disposed on and in contact with a substrate. The antireflective layer has a refractive index of greater than 1 to less than 1.41 and has a pore size ranging from greater than 0 to less than 300 nm. The antireflective layer includes an outermost surface having a water contact angle ranging from greater than or equal to 70° to less than or equal to 120° as determined using ASTM 5946-04.
A hydrophobic article includes a substrate and a nanoparticle layer disposed on the substrate and including nanoparticle agglomerates wherein the nanoparticle agglomerates have an average volume based size of at least 100 nanometers as determined using light scattering via ISO 13320. The hydrophobic article also includes a binder layer disposed on and in direct contact with the nanoparticle layer and including an oxidatively cured product of a silicon-based resin and an outermost layer that is disposed opposite the substrate and on and in direct contact with the binder layer. The hydrophobic article has a water contact angle of greater than or equal to 90 degrees as measured on the outermost layer of the hydrophobic article and determined using modified ASTM D5946-04.
B82B 3/00 - Manufacture or treatment of nanostructures by manipulation of individual atoms or molecules, or limited collections of atoms or molecules as discrete units
B32B 27/06 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
76.
THERMOPLASTIC POLYMER COMPOSITIONS HAVING LOW FRICTION RESISTANCE
The invention relates to thermoplastic polymer compositions containing a copolymer of a polysiloxane and an olefin polymer as a friction reducing additive in the thermoplastic polymer composition. The invention provides a polymer composition comprising a thermoplastic polymer (A) selected from a polyacetal and a polyolefin, and a copolymer (B) of a polysiloxane (B1) and an olefin polymer (B2), characterised in that the copolymer (B) is a branched block copolymer and is free of any siloxane homopolymer.
C08G 73/06 - Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromoleculePolyhydrazidesPolyamide acids or similar polyimide precursors
77.
COMPOSITION AND METHOD OF FORMING A COMPOSITION CONFIGURED TO TRANSMIT LIGHT EQUALLY ACROSS A LIGHT SPECTRUM
A composition configured to transmit light equally across a light spectrum, the composition comprising an optical polymer and an additive that differentially absorbs light within a wavelength range in the light spectrum.
C08L 101/12 - Compositions of unspecified macromolecular compounds characterised by physical features, e.g. anisotropy, viscosity or electrical conductivity
G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
An electromagnetic radiation emitting device includes an electromagnetic radiation emitting element. The electromagnetic radiation emitting device further comprises an electromagnetic radiation emitting layer adjacent said electromagnetic radiation emitting element. The electromagnetic radiation emitting layer of the electromagnetic radiation emitting device comprises a host material and nanoparticles produced via a plasma process in the host material.
Various embodiments disclosed relate to methods of separating a volatile siloxane from a liquid mixture. In various embodiments, the method includes contacting a first side of a first hydrophobic membrane with a liquid feed mixture including a polymer and at least one volatile siloxane. The method can also include contacting a second side of the membrane with a sweep medium including at least one of a sweep gas, a sweep liquid, and a vacuum, to produce a permeate mixture on the second side of the membrane and a retentate mixture on the first side of the membrane, wherein the permeate mixture is enriched in the volatile siloxane, and the retentate mixture is depleted in the volatile siloxane.
B01D 53/22 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by diffusion
B01D 61/00 - Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltrationApparatus, accessories or auxiliary operations specially adapted therefor
Various embodiments disclosed related to modified elastomer surfaces and methods of making and using the same. In various embodiments, the present invention provides a method of modifying the surface of an elastomer. The method can include contacting a polymerizable composition and at least part of a surface of an elastomer. The polymerizable composition can include a free-radical polymerizable monomers, an organoborane-organonitrogen free-radical initiator, and an amine-reactive compound. The method can include at least partially polymerizing the polymerizable composition, to provide a polymerization product of the polymerizable composition on the surface of the elastomer.
C08L 23/00 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCompositions of derivatives of such polymers
81.
FLUORINATED COPOLYMER COMPOSITIONS AND ASSOCIATED METHODS, USES AND ARTICLES
A copolymer composition is provided that is formed as the reaction product of (I) a cured polyorganosiloxane intermediate having repeating Si-O-Si units and at least one Si-OH functional group and (II) a polyfluoropolyether silane. The cured polyorganosiloxane intermediate has a surface having a water contact angle ranging from 40 ° to 90 ° as measured by ASTM 5946-04. In certain embodiments, the copolymer composition provides improved dust resistance as compared with cured polyorganosiloxanes from which the copolymer composition is formed.
A curable composition comprises (A) a polyfunctional acrylate; (B) a fluoro- substituted compound having an aliphatic unsaturated bond; (C) an organopolysiloxane having at least one acrylate group; and (D) a reinforcing filler. A cured product formed by curing the curable composition is also disclosed. A method of forming the cured product comprises applying the curable composition on a substrate. The method further comprises curing the curable composition on the substrate so as to form the cured product on the substrate.
A fluorinated compound has the general formula (1 ): Rf-CONR-(CH2)a-SiR1 X-(OSiR1 X)b-(CH2)c-Y (1 ); wherein Rf is a fluoro-substituted group; R is H or a substituted or unsubstituted hydrocarbyl group; each R1 is an independently selected substituted or unsubstituted hydrocarbyl group; each X is independently R1 or an amine-containing group; Y is a terminal group selected from R and X; subscripts a and c are each are each independently selected from 0 and an integer from 1 to 10; and subscript b is an integer from 2 to 20; with the proviso that the fluorinated compound includes at least one amine- containing group. A fluorinated polymer comprises the reaction product of a Michael addition reaction of the fluorinated compound and a polyfunctional acrylate. A curable composition comprising the fluorinated polymer, a cured product formed from the curable composition, and a method of forming the cured product are also disclosed.
C08L 83/10 - Block- or graft-copolymers containing polysiloxane sequences
C08L 23/28 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCompositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or halogen-containing compounds
84.
FLUORINATED COMPOUND, CURABLE COMPOSITION COMPRISING SAME, AND CURED PRODUCT
A fluorinated compound having at least one (meth)acrylate functional group disclosed. A curable composition comprising the fluorinated compound and polyfunctional acrylate, a cured product formed from the curable composition, and method of forming the cured product are also disclosed.
C08L 27/12 - Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogenCompositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
C08L 33/08 - Homopolymers or copolymers of acrylic acid esters
85.
NON-AQUEOUS EMULSION AND METHODS OF PREPARING SURFACE-TREATED ARTICLES THEREWITH
A non-aqueous emulsion comprises a continuous organic phase comprising an organic vehicle. The non-aqueous emulsion further comprises a discontinuous phase comprising a polyfluoropolyether silane. A total water content of the non-aqueous emulsion is controlled at from 0 to less than 1 weight percent based on the total weight of said non¬ aqueous emulsion. Methods of preparing surface treated articles therewith are also disclosed.
A method of preparing a non-aqueous emulsion comprises combining an organic vehicle and an additive compound to form an organic mixture. The method further comprises combining the organic mixture and a polyfluoropolyether silane, thereby preparing the non-aqueous emulsion. The non-aqueous emulsion comprises a continuous organic phase comprising the organic vehicle. The non-aqueous emulsion further comprises a discontinuous phase comprising the polyfluoropolyether silane. Methods of preparing surface treated articles therewith are also disclosed.
In a washing and rinsing process comprising washing a substrate in the presence of an aqueous solution of a detergent, whereby foam is created upon washing, and rinsing the washed substrate in rinse water, a foam control agent in solid form is added to the rinse water or to the washed substrate before or during the rinsing step but after the washing step.
Process for increasing the scratch resistance of a composition comprising a thermoplastic organic polymer and a scratch resistant polymer composition per se. The process for increasing the scratch resistance of a composition comprising a thermoplastic organic polymer (P) comprises reactively mixing a thermoplastic organic polymer (A) and an organopolysiloxane (B) in a first step (I) at a temperature at which the thermoplastic organic polymer (A) and the organopolysiloxane (B) are in liquid phases to form a masterbatch, wherein the organopolysiloxane (B) contains at least one functionality capable of reacting with the thermoplastic organic polymer (A) so that a copolymer of (A) and (B) is formed in the masterbatch during the reactive mixing, and in a second step (II) mixing the masterbatch with the composition comprising thermoplastic organic polymer (P).
C08L 23/02 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCompositions of derivatives of such polymers not modified by chemical after-treatment
C08L 23/10 - Homopolymers or copolymers of propene
C08L 51/00 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers
C08L 51/06 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
C08L 83/10 - Block- or graft-copolymers containing polysiloxane sequences
89.
METHOD OF PREPARING AN OPTICAL CONNECTOR AND OPTICAL DEVICES COMPRISING THE OPTICAL CONNECTOR PREPARED THEREBY
A method of preparing an optical connector located within a gap between a first optical assembly and a second optical assembly is provided. The optical connector includes a contrast layer having at least one cured bridge portion and at least one uncured portion formed from a first composition having a first refractive index (Rl1 ). The method comprises applying a second composition having a second refractive index (Rl2) on the contrast layer to form a second layer and mixing at least a portion of the second layer with the at least one uncured portion of the contrast layer to form at least one intermixed portion having a third refractive index (Rl3), wherein R|1 > R|3 > Rl2, and then curing the intermixed portion and optional second layer such that each one of the at least one cured bridge portions is surrounded by an intermixed portion and optional second layer.
This invention relates to a reactive silicone composition for forming a hotmelt material, comprising: (A) an organopolysiloxane resin represented by the specific average unit formula; (B) an organopolysiloxane resin free of alkenyl group and represented by the specific average unit formula; (C) a diorganopolysiloxane represented by the specific average formula; (D) an organohydrogenpolysiloxane having two silicon-bonded hydrogen atoms in a molecule; (E) an organohydrogenpolysiloxane having at least three silicon- bonded hydrogen atoms in a molecule; and (F) a hydrosilylation catalyst. The reactive silicone composition can be reacted to form a hotmelt material having excellent shelf life stability, instant adhesion performance by hotmelt process.
The present invention relates to patterned hollow fibers; methods for making such hollow fibers using patterned cores; and the use of such hollow fibers to, among other things, separate components in a feed mixture.
A device substrate suitable for forming a group III - N semiconductor device, the device substrate comprises a crystalline silicon wafer (100), an optional layer of CVD 3C-SiC (105) of thickness 50-1000 nm formed over the silicon substrate, a layer (110) of AIN of thickness 10-250 nm formed over the silicon substrate, or over the 3C-SiC layer when used, a buffer layer (115) formed of a plurality of films selected from the group of GaN, AIN and AlxGa(1-X)N (0x>0.2) is formed over the buffer layer. A passivation layer (130) of GaN layer or silicon nitride layer may be deposited over the barrier layer. The layer are deposited in the MOCVD chamber.
H01L 29/778 - Field-effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT
H01L 29/201 - Semiconductor bodies characterised by the materials of which they are formed including, apart from doping materials or other impurities, only AIIIBV compounds including two or more compounds
H01L 29/20 - Semiconductor bodies characterised by the materials of which they are formed including, apart from doping materials or other impurities, only AIIIBV compounds
The invention relates to branched organopolysiloxanes and emulsions thereof, and to methods of preparation and uses of the branched organopolysiloxanes and emulsions thereof. A branched organopolysiloxane is prepared by the reaction of a branching agent with a substantially linear organopolysiloxane containing at least one hydroxyl or hydrolysable group bonded to silicon, in the presence of an inert fluid and a catalyst, such as a phosphazene catalyst. Phosphazene catalysts also have the advantage that the content of undesired low molecular weight cyclic silicones in the polymerisation product is low.
C08J 3/03 - Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
A coating composition comprising a binder, a stabilizing agent and an elastomeric silicone powder formed or obtainable by spray curing made or obtainable by forming a mixture of organopolysiloxane A and organopolysiloxane B, wherein organopolysiloxane A comprises more than 0.5 % alkenyl groups by weight of the organopolysiloxane A, organopolysiloxane B comprises from 0.25% to 1 % silicon- bonded hydrogen atoms by weight of the organopolysiloxane B, wherein the stabilizing agent comprises a functionalized silane, silazane, a silicone glycol copolymer, or any combination thereof.
Disclosed are a cosmetic composition, uses and methods for preparation for same. The cosmetic composition comprises a silicone organic elastomer comprising an amino functional group, and at least one cosmetic ingredient, in a cosmetically acceptable medium. The silicone organic elastomer is a reaction product of a linear, branched or cyclic organohydrogensiloxane (A) comprising at least 1 silicon-bonded hydrogen atom, and a XZ' n derivative (B) comprising at least 2 unsaturated aliphatic groups, wherein X is an amine group containing compound, Z' is a ring-opened ethylenically-unsaturated epoxide compring at least 1 unsaturated aliphatic group and n=1 or 2, and (C) a hydrosilylation catalyst.
A61K 8/898 - Polysiloxanes containing atoms other than silicon, carbon, oxygen and hydrogen, e.g. dimethicone copolyol phosphate containing nitrogen, e.g. amodimethicone, trimethyl silyl amodimethicone or dimethicone propyl PG-betaine
A61Q 1/00 - Make-up preparationsBody powdersPreparations for removing make-up
A61Q 17/00 - Barrier preparationsPreparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
This disclosure relates to silicone organic elastomers comprising an amino functional group. The silicone organic elastomer is a reaction product of a linear, branched or cyclic organohydrogensiloxane (A) comprising at least 1 silicon-bonded hydrogen atom, and a XZ'n derivative (B) comprising at least 2 unsaturated aliphatic groups, where X is an amine group containing compound, Z' is a ring-opened ethylenically-unsaturated epoxide comprising at least 1 unsaturated aliphatic group and n = 1 or 2, and (C) a hydrosilylation catalyst.
Provided in various embodiments are compositions for topical application to the skin of a mammal, methods for their preparation, and their uses in skin care compositions to reduce adhesion of unwanted particles to the skin. When a hydrophobic non-volatile solvent and a hydrophobic non-volatile high melting point material with a melting point in the range of 60°C and 100°C are combined with a hydrophobic volatile solvent which compatibilizes the hydrophobic non-volatile solvent and the hydrophobic non-volatile high melting point material and the hydrophobic non-volatile high melting point material is selected to be at least partially incompatible with the hydrophobic non-volatile solvent in the absence of the hydrophobic volatile solvent, the resulting composition may be applied to skin to reduce adhesion of unwanted particles to the skin.
A61K 8/92 - Oils, fats or waxesDerivatives thereof, e.g. hydrogenation products
A61Q 17/00 - Barrier preparationsPreparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
A method for preparing a reaction product includes 1 ) reacting a composition including a) a hydrogen halide of formula i): HX, where X is a halogen atom, and b) a compound of average formula ii): M(OR1 )x, or an oligomer thereof, where M is an element selected from Sn, Ge, or Si, and each R1 is independently a monovalent hydrocarbon group, and subscript x has a value from 1 to maximum valence of the element selected for M; in the presence of c) a scavenging agent of formula iii) or formula iv), where formula iii) is R2-CEN, where R2 is an organic group, and formula iv) is 0=C=N-R3, where R3 is an organic group, and d) a catalyst. The reaction product includes a halogenated compound and a side product.
Provided in various embodiments are a temporary-bonded wafer system comprising a substrate having a first surface and a second surface opposite the first surface, a release layer positioned on the first surface of the substrate, an adhesive layer positioned over the release layer, wherein outer edges of the adhesive layer contact the substrate, thereby forming an effective seal over the release layer, and a carrier wafer bonded to the adhesive layer.
An intermediate reaction product to speed the reaction for producing capped MQ resins is disclosed. The intermediate reaction product includes an MQ-type silicone resin; a halosilane capping agent; and a polar organic compound. Optionally, a condensation catalyst and a solvent may be added to prepare the intermediate reaction product. Also, a method for preparing a reaction product to speed the reaction for producing capped MQ resins is disclosed. The method comprises the steps of combining ingredients comprising: an MQ-type silicone resin; a halosilane capping agent; and a polar organic compound. Optionally, a condensation catalyst and a solvent may be added to prepare the reaction product.
