Patents Assigned to Dow Corning Corporation
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Patent number: 9428634Abstract: A one or more component moisture cure Organosiloxane composition that has strength in an uncured state (commonly referred to in the industry as “green strength”) and its uses. The composition comprises an organopolysiloxane polymer having a viscosity of at least 1000 mPa·s at 25° C. and not less than two silicon-bonded hydroxyl groups and/or silicon bonded hydrolysable groups; a suitable catalyst; a cross-linker adapted to react with organopolysiloxane polymer when catalysed with the catalyst; and optionally one or more rheology modifiers and 0 to 10% by weight of the composition of one or more extenders or plasticisers but in particular the composition contains a precipitated calcium carbonate filler in an amount of from 50 to 70 weight % of the total composition.Type: GrantFiled: March 2, 2012Date of Patent: August 30, 2016Assignee: DOW CORNING CORPORATIONInventors: Emmanuel Jadot, Patrick Vandereecken
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Publication number: 20160244625Abstract: Various embodiments disclosed related to UV-curable silicone composition, cured products thereof, and methods of using the same. Various embodiments provide a shear-thinning UV-curable silicone composition. The composition can include (A) a mercapto-functional polyorganosiloxane having the unit formula [(CH3)3SiO1/2]x[(CH3)2SiO]y[R(CH3)SiO]z wherein x is about 0.01 to about 0.1, y is about 0 to about 0.94, z is about 0.05 to about 0.99, and at each occurrence R is independently a mercapto(C1-30)hydrocarbyl group. The composition can include (B) at least one of (B1) a polyorganosiloxane comprising at least two aliphatic unsaturated carbon-carbon bonds, and (B2) an organic molecule comprising at least two aliphatic unsaturated carbon-carbon bonds; the composition can include (C) a filler. The composition can also include (D) a photoinitiator.Type: ApplicationFiled: October 22, 2014Publication date: August 25, 2016Applicant: Dow Corning CorporationInventors: Terry Clapp, Jonathan Hannington, Bianxiao Zhong
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Patent number: 9422404Abstract: A method of making a 2-aminoimidazole-functional silicone elastomer includes forming a mixture by combining a silicone elastomer base material having vinyl functionality, a 2-aminoimidazole-functional monomer or a 2-aminoimidazole-functional oligomer, and a free-radical initiator. Optionally, one or more cross-linkers, pigments, vinyl polymer, non-functional silicone fluid, or any combination thereof may also be included in the mixture.Type: GrantFiled: March 13, 2014Date of Patent: August 23, 2016Assignee: Dow Corning CorporationInventors: James Curtis, William J. Schulz
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Patent number: 9422316Abstract: A method comprises separate and consecutive steps (i) and (ii). Step (i) includes contacting a copper catalyst with hydrogen gas and a halogenated silane monomer at a temperature of 500° C. to 1400° C. to form a silicon-containing copper catalyst comprising at least 0.1% (w/w) of silicon. Step (ii) includes contacting the silicon-containing copper catalyst with an organohalide at a temperature of 100° C. to 600° C. to form a reaction product. The organohalide has formula HaCbXc, where X is a halogen atom, subscript a is an integer of 0 or more, subscript b is an integer of 1 or more, and subscript c is an integer of 2 or more. The method produces a reaction product. The reaction product includes a halogenated silahydrocarbylene.Type: GrantFiled: July 2, 2013Date of Patent: August 23, 2016Assignee: DOW CORNING CORPORATIONInventors: Aswini K. Dash, Dimitris Elias Katsoulis, Matthew J. McLaughlin, Wendy Sparschu
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Patent number: 9403982Abstract: A curable silicone composition comprises at least (A) an organopolysiloxane having at least two alkenyl groups in a molecule, (B) an organopolysiloxane having at least two silicon-bonded hydrogen atoms in a molecule, (C) a hydrosilylation reaction catalyst, (D) an approximately spherical silica fine powder having an average particle diameter of 50 ?m or less and (E) glass fibers having an average fiber length of 1,000 ?m or less and an average fiber diameter of 30 ?m or less. A cured product produced by curing the curable silicone composition is also disclosed.Type: GrantFiled: September 5, 2013Date of Patent: August 2, 2016Assignee: DOW CORNING CORPORATIONInventors: Toyohiko Fujisawa, Kazusato Shibata
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Publication number: 20160207784Abstract: A compound that is 2,2,4,4-tetrasilylpentasilane, chemical compositions comprising same, methods of making and purifying 2,2,4,4-tetrasilylpentasilane, the purified 2,2,4,4-tetrasilylpentasilane prepared thereby, and methods of forming silicon-containing materials using 2,2,4,4-tetrasilylpentasilane as a precursor.Type: ApplicationFiled: September 3, 2014Publication date: July 21, 2016Applicant: Dow Corning CorporationInventor: XIAOBING ZHOU
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Publication number: 20160200876Abstract: A cross-linked composition comprises the reaction product of siloxanes having pendant anhydride groups and a reactant having hydroxyl and/or amine functional groups. The cross-linked composition can be of the following general formula (I): (I). Refer to formula (1) Each X can be of the following general formula (i): (i). Refer to formula (i) Each of W and W* is independently an oxygen atom or N—R, with R independently being a hydrogen atom or R1. Each of Y, R3, and R13 is an independently selected divalent group. Each of R1, R11, R4, R14, R5, and R15 is an independently selected substituted or unsubstituted hydrocarbyl group. Each of w and ww, and each of y and yy, is an independently selected integer from 0 to 1,000. Each of x and xx is an independently selected integer from 1 to 100. Typically, w and y are not simultaneously 0, and ww and yy are not simultaneously 0.Type: ApplicationFiled: October 29, 2014Publication date: July 14, 2016Applicant: Dow Corning CorporationInventors: DONALD A. KADLEC, KIMMAI T. NGUYEN, KENNETH E. ZIMMERMAN
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Publication number: 20160199286Abstract: A cosmetic composition is provided that includes an elastomer and at least one cosmetic component optionally in a cosmetically acceptable medium. The elastomer is according to the general formula: A-B-A or B-A-B, wherein each A independently comprises a polysiloxane moiety having at least two siloxy (Si—O) groups and wherein each B independently comprises a moiety, or a precursor thereof, having at least two carboxyl groups and wherein B is bonded to a silicon atom in A.Type: ApplicationFiled: October 29, 2014Publication date: July 14, 2016Applicant: Dow Corning CorporationInventors: CROFOOT MARY KAY, ROXANNE R. HALLER, DONALD A. KADLEC, ZHI LI, KIMMAI T. NGUYEN, KENNETH E. ZIMMERMAN
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Patent number: 9388265Abstract: Methods for producing a silyl-functionalized polyolefin with silyl monomer incorporation are provided. The method includes reacting a silicon-containing olefin with an ?-olefin, in the presence of a catalytic amount of a group IV catalyst for a time sufficient to produce a silyl-functionalized polyolefin.Type: GrantFiled: January 17, 2012Date of Patent: July 12, 2016Assignees: DOW CORNING CORPORATION, NORTHWESTERN UNIVERSITYInventors: Gary Thomas Burns, Francois De Buyl, Peng-Fei Fu, Tobin J. Marks, Valerie Smits
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Publication number: 20160194456Abstract: A cross-linked composition comprises the reaction product of a first reactant having at least one hydroxyl or amine (functional) group, a second reactant having at least one hydroxyl or amine (functional) group, and a siloxane having at least two terminal anhydride groups reactive with the functional groups of the first and second reactants. The first reactant is selected from the group of first siloxanes having at least one hydroxyl or amine group, a first organic alcohol having at least one hydroxyl group, a first organic amine having at least one amine group, or combinations thereof. The second reactant is selected from the group of second siloxanes having at least one hydroxyl or amine group, a second organic alcohol having at least one hydroxyl group, a second organic amine having at least one amine group, or combinations thereof. If utilized, the first siloxanes and/or second siloxanes are different from the siloxane.Type: ApplicationFiled: October 29, 2014Publication date: July 7, 2016Applicant: Dow Corning CorporationInventors: DONALD A. KADLEC, KIMMAI T. NGUYEN, KENNETH E. ZIMMERMAN
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Publication number: 20160184214Abstract: A cosmetic composition comprising a cosmetically active ingredient in a cosmetically acceptable medium, wherein the cosmetic composition contains a silicone composition comprising (A) a hydrophobic organopolysiloxane fluid having a surface tension of from 15 to 40 mN/m and (B) a finely divided solid hydrophobic filler dispersed in the organopolysiloxane fluid (A).Type: ApplicationFiled: August 6, 2014Publication date: June 30, 2016Applicant: Dow Corning CorporationInventors: CLAIRE-SOPHIE BERNET, PINAR CETIN, OLIVIA DE PAEPE, LAURENCE GALLEZ, SINEM SEVINC
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Publication number: 20160177225Abstract: An antifoam granule includes a carrier and an antifoam compound deposited on the carrier. The antifoam granule is formed using a method that includes providing an emulsion and contacting the emulsion with a carrier to deposit the antifoam compound on the carrier and form the antifoam granule. The emulsion includes an oil phase, an aqueous phase, and a silicone polyether. The oil phase includes an antifoam compound. The antifoam compound includes a hydrophobic fluid and a hydrophobic filler dispersed in the hydrophobic fluid. The aqueous phase includes a binder and water. The emulsion is formed using a method that includes combining the oil phase, the aqueous phase, and the silicone polyether to form the emulsion. The antifoam granule is also utilized in a method of facilitating rinsing of a detergent from a substrate that includes applying the detergent, including the antifoam granule, to the substrate and rinsing the substrate.Type: ApplicationFiled: July 24, 2014Publication date: June 23, 2016Applicant: Dow Corning CorporationInventors: ANICK COLSON, LAURENCE GALLEZ, CHRISTEL MANETTE SIMON, NICOLAS ZIOLKOWSKI
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Patent number: 9371422Abstract: 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.Type: GrantFiled: September 6, 2012Date of Patent: June 21, 2016Assignee: Dow Corning CorporationInventors: Kurt Brandstadt, Simon Cook, Gary Diamond, Keith Hall, Loren Lower, Avril Surgenor, Richard Taylor, James Tonge, Ming-Shin Tzou
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Patent number: 9354518Abstract: The present invention provides a silicone composition that includes an epoxy-functional organopolysiloxane resin and an epoxy-functional organosiloxane oligomer, and a method of preparing optical waveguides using the silicon composition. The present invention also provides a cured silicon composition, and an optical waveguide that includes the cured silicon composition.Type: GrantFiled: May 23, 2012Date of Patent: May 31, 2016Assignee: Dow Corning CorporationInventors: Duane Raymond Bujalski, Jon Vierling Degroot, Jr., David J. Deshazer, Shedric Oneal Glover, Karen L. Hueston, John Ladouce
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Patent number: 9346945Abstract: Filled silicone composition, in situ preparation and use thereof are provided. The composition comprises a mixture of (A) an in situ-prepared treated silica, (B) an in situ-prepared (siloxane-alkylene)-endblocked polydiorganosiloxane, (c) a cure catalyst and (D) a crosslinker. Moreover, the composition can be used as adhesive, coating and sealant.Type: GrantFiled: October 11, 2011Date of Patent: May 24, 2016Assignees: DOW CORNING CORPORATION, DOW CORNING (CHINA) HOLDING CO., LTD.Inventors: Lei Fang, Brian Harkness, Xiucuo Li, Lauren Tonge, James Tonge
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Patent number: 9340973Abstract: An assembly for a structure comprises a support and a panel. The panel may be a glass panel. The assembly further comprises a structural adhesive, which couples the panel to the support. The structural adhesive may comprise a silicone. The structural adhesive h a first coupling surface facing the support and a second coupling surface spaced from the first coupling surface and facing the interior surface of the panel. The structural adhesive has a substantially right-trapezoidal cross-section, which is oriented in a certain direction relative to the panel and the support. The first coupling surface is sloped relative to the second coupling surface of the structural adhesive thereby reducing stress in the assembly due to environmental load subjected on the structure, such as wind load. Other supports and assemblies are also provided. The assembly may be used to form curtain walls, window walls, sky-lights, etc.Type: GrantFiled: January 24, 2012Date of Patent: May 17, 2016Assignees: DOW CORNING CORPORATION, CURTAIN WALL DESIGN AND CONSULTING, INC.Inventors: Lawrence Donald Carbary, Charles Dunaway Clift
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Publication number: 20160130860Abstract: In a method of supplying an element for covering a non-vision area in a curtain wall on an architectural structure, a plurality of shadow boxes is prefabricated at a location remote from both a unitized curtain wall assembly shop and the architectural structure. The shadow boxes are prefabricated by sealing an interior spacer between a vision glass panel and a back structure. The back structure includes an insulating material surrounded by a rigid envelope. The vision glass panel, the back structure and the interior spacer define a hermetically sealed void therein. A structural seal is applied about the interior spacer and is affixed to the peripheral edge of the vision glass, the interior spacer and the back structure. The plurality of shadow boxes is then delivered to a selected one of the unitized curtain wall assembly shop and the architectural site.Type: ApplicationFiled: January 18, 2016Publication date: May 12, 2016Applicants: HOK Product Design, LLC, Dow Corning CorporationInventors: Stephen Weinryb, Neil McClelland
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Patent number: 9337277Abstract: 4H SIC epiwafers with thickness of 50-100 ?m are grown on 4° off-axis substrates. Surface morphological defect density in the range of 2-6 cm?2 is obtained from inspection of the epiwafers. Consistent carrier lifetime in the range of 2-3 ?s has been obtained on these epiwafers. Very low BPD density has been confirmed in the epiwafers with BPD density down to below 10 cm?2. Epitaxial wafers with thickness of 50-100 ?m have been used to fabricate diodes. High voltage testing has demonstrated blocking voltages near the theoretical values for 4H-SiC. Blocking voltage as high as 8 kV has been achieved in devices fabricated on 50 ?m thick epitaxial films, and blocking voltage as high as 10 kV has been obtained in devices fabricated on 80 ?m thick films. Failure analysis confirmed triangle defects, which form from surface damage or particles present during epitaxy, are killer defects and cause the device to fail in reverse bias operation.Type: GrantFiled: September 16, 2014Date of Patent: May 10, 2016Assignee: DOW CORNING CORPORATIONInventors: Mark Loboda, Gilyong Chung
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Patent number: 9337027Abstract: This invention relates to a method for depositing silicon carbide material onto a substrate such that the resulting substrate has a carrier lifetime of 0.5-1000 microseconds, the method comprising a. introducing a gas mixture comprising a chlorosilane gas, a carbon-containing gas, and hydrogen gas into a reaction chamber containing a substrate; and b. heating the substrate to a temperature of greater than 1000° C. but less than 2000° C.; with the proviso that the pressure within the reaction chamber is maintained in the range of 0.1 to 760 torr. This invention also relates to a method for depositing silicon carbide material onto a substrate such that the resulting substrate has a carrier lifetime of 0.5-1000 microseconds, the method comprising a. introducing a gas mixture comprising a non-chlorinated silicon-containing gas, hydrogen chloride, a carbon-containing gas, and hydrogen gas into a reaction chamber containing a substrate; and b. heating the substrate to a temperature of greater than 1000° C.Type: GrantFiled: January 18, 2013Date of Patent: May 10, 2016Assignee: Dow Corning CorporationInventors: Gilyong Chung, Mark Loboda
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Publication number: 20160122478Abstract: The present disclosure relates to compositions comprising: an organosilane having the formula: (R I)(3-n) (R2O)SiR3O(CH2CH2O)a(C3H6O)b R4 wherein: n is 1 or 2; a?1, b may vary from 0 to 30, with the proviso a?b; R1 is a hydrocarbon group containing 1 to 12 carbon atoms; R2 is hydrogen or an alkyl group containing 1 to 6 carbon atoms; R3 is a divalent hydrocarbon group containing 2 to 12 carbon atoms; and R4 is hydrogen, R1, or an acetyl group; and at least one of a thermoplastic resin, a thermoset resin, and an elastomer. The present organosilane compositions may be useful for treating various surfaces to render them, among other things, more hydrophilic.Type: ApplicationFiled: May 7, 2014Publication date: May 5, 2016Applicants: Dow Corning Corporation, Dow Corning Toray Co., Ltd., Dow Corning Polska SP.Z.O.O., Dow Corning (China) Holding Co., Ltd.Inventors: Michael Ferrito, Michal Hrebicik, Scott Miller, Lenin James Petroff, Guodong Robin Shen, Gerald Witucki, Takeshi Yoshizawa