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Wacker Chemical Corporation

Wacker Chemical Corporation Patent applications
Patent application numberTitlePublished
20130101494Hydrophilic Silicone Copolymers Useful In Carbon Fiber Production - Robust oiling agent compositions for use in preparing carbon fibers from acrylic polymer carbon fiber precursors contain at least one silicone copolymer minimally containing an organopolysiloxane moiety, a polyoxyalkylene polyether moiety, and at least one internal or terminal urea or urethane group.04-25-2013
20130052356Paper Coating Compositions For Grease and Water Resistance - Fluorochemical-free paper coatings which simultaneously exhibit good oil and grease resistance, hydrophobicity, and release properties are aqueous dispersions containing a water insoluble vinyl polymer, an addition-curable organopolysiloxane which cures through hydrosilylation, an Si—H functional crosslinker, and a catalyst for addition curing of the addition-curable organopolysiloxane. High oleophobicity, hydrophobicity, and release properties are developed even at low coating weights.02-28-2013
20130030114Non-Yellowing Low VOC Mineral Surface Enhancer - Low VOC mineral surface enhancer compositions are non-yellowing and contain a condensable aminoorgano-functional organopolysiloxane fluid, a condensable organopolysiloxane resin, and a condensation catalyst. The compositions provide a durable, color enhancing wet look to mineral surfaces to which they are applied.01-31-2013
20130030101Copper Complexes Of Amino-Functional Organosilicon Compounds And Their Use - Copper complexes of aminoorgano group-containing organosilicon compounds exhibit high thermal stability and can be used to impart thermal stability to a wide variety of polymer compositions. The complexes are particularly useful as constituents of xerographic rollers and fuser oils, and are simply and economically prepared.01-31-2013
20120234490High Solids Pigmented Latex Compositions - A pigmented latex composition having a solids content in a range from 60 wt % to 95 wt % includes 09-20-2012
20120214007Paper Coating Compositions - A composition for coating paper includes at least one pigment selected from the group consisting of polymeric pigments, aluminosilicates, calcium carbonate, titanium dioxide, talc, barium sulfate, zinc oxide, aluminum trihydrate, amorphous silica and silicates; 08-23-2012
20120213721Amphiphilic High Refractive Index Organopolysiloxanes - Amphiphilic silicons which are dispersible or self-dispersing in water, have a high refractive index, and are prepared by a hydrosilylation reaction, resulting in products which are free of cyclic organopolysiloxanes. The high refractive index and dispersibility make the amphiphilic silicones useful in personal care and cosmetics where high shine or gloss is desired.08-23-2012
20120114578Paste Composition For Use In Coating Films, Fibers, And Fabrics And Method of Manufacture - A paste composition for use in coating film, fiber, or fabric includes a dry grease having a discontinuous aqueous phase having a non-ionic alkoxylate surfactant portion and a polyorganosiloxane oil phase. The past further includes a dry-grease suspended powder. The surfactant portion is effective to suspend the powder forming a self-supporting form.05-10-2012
20120028527Ultra Low Formaldehyde Binders for Nonwoven Substrates - A low-formaldehyde binder composition for increasing wet and dry tensile strength of a nonwoven substrate includes: 02-02-2012
20110290410PROCESS FOR FABRICATING SILICONE COATED ROLLERS WITHOUT BUILD LINES - Rollers faced with silicone and having no build lines are produced by wrapping pigment/filler-containing addition-curable silicone rubber strips around a roller substrate followed by curing to an integral silicone layer, wherein build lines are prevented by selecting the strips such that physical properties at the edge regions of the strip due to orientation of pigment/filler particles is minimized.12-01-2011
20100227072PHOSPHATE-CONTAINING BINDERS FOR NONWOVEN GOODS - A method of improving the wet tensile strength of a cellulose-containing web includes applying to the web an aqueous binder emulsion and subsequently drying and curing the binder emulsion. The aqueous binder emulsion is prepared by emulsion-polymerizing a monomer mixture comprising vinyl acetate, ethylene, and an olefinically unsaturated crosslinking monomer in the presence of a phosphate ester surfactant wherein the at least one crosslinking monomer comprises a (meth)acrylamide moiety and a cellulose-reactive moiety. The binder emulsion may be applied to a cellulose-containing web to increase wet strength, aid in creping, or both.09-09-2010
20100215904POLYMERIC BINDERS HAVING SPECIFIC PEEL AND CURE PROPERTIES AND USEFUL IN MAKING CREPED WEBS - This invention is directed to alkylphenol ethoxylate (APE)-free polymer binders formed by aqueous free radical emulsion polymerization and having specific peel and cure properties. The APE-free polymeric binders have a peel value, when adhered to a heated metal surface, of 35% to 200% of the peel value shown by a standard APE-based polymer binder control and exhibit a cure profile such that at least 55% cure is achieved within 30 seconds at a temperature required for cure, and a wet tensile strength at 30-seconds of cure of at least 1000 g/5 cm. Wet tensile strength is used as a measure of cure. Binders having the peel and cure properties described herein can be considered for use in crepe processes, especially DRC processes.08-26-2010
20100122770FLEXOGRAPHIC APPLICATION OF ADHESIVE DISPERSIONS - A method of forming on a substrate an adhesive region that includes an adhesive composition employs steps of: 05-20-2010
20090274915BUILDING MATERIALS INCORPORATED WITH HYDROPHOBIC SILICONE RESIN(S) - An inorganic matrix building material with enhanced water impermeability is prepared by curing an inorganic curable matrix and at least one particulate hydrophobic silicone resin substantially uniformly incorporated within the matrix, the at least one hydrophobic silicone resin being selected from the group consisting of a TD resin, an MQ resin, an MT resin, an MQT resin, and combinations thereof. In certain particular instances, the at least one hydrophobic silicone resin is a TD resin. The curing takes place at elevated temperature, optionally at elevated pressure.11-05-2009

Patent applications by Wacker Chemical Corporation