Patents Assigned to Wacker Chemical Corporation
  • Publication number: 20150166835
    Abstract: Gloss enhancing compositions for polymer surfaces are microemulsions of a diaminoorganopolysiloxane, a film forming acrylate polymer, and a wax. The compositions exhibit high gloss, low sling off, and high durability, and can be formulated without organic solvents.
    Type: Application
    Filed: December 13, 2013
    Publication date: June 18, 2015
    Applicant: Wacker Chemical Corporation
    Inventors: Michael Lee Coffey, Frances Marie Fournier
  • Patent number: 9051434
    Abstract: Branched organopolysiloxanes of low molecular weight contain bonded arylalkyl groups. Si—C bonded surfactant groups, preferably polyoxyalkylene polyether groups, and long chain alkyl groups, exhibit a high refractive index, are completely or partially self-emulsifying, and are compatible with a variety of cosmetically acceptable oils and solvents.
    Type: Grant
    Filed: January 31, 2013
    Date of Patent: June 9, 2015
    Assignee: Wacker Chemical Corporation
    Inventors: Aroop K. Roy, Amitabha Mitra, Michael L. Coffey
  • Publication number: 20150141686
    Abstract: T-aminoalkyl-functional organopolysiloxanes with defined viscosity can be reproducibly prepared without gelling by condensing an organopolysiloxane containing at least two Si-bonded hydroxyl groups with an aminoalkyltrialkoxysilane in the presence of an organic compound bearing one or more hydroxyl groups.
    Type: Application
    Filed: November 15, 2013
    Publication date: May 21, 2015
    Applicant: WACKER CHEMICAL CORPORATION
    Inventor: MICHAEL LARSON
  • Patent number: 8993707
    Abstract: Aqueous emulsions of epoxy- and organo-substituted, branched organopolysiloxanes are prepared by emulsifying the latter in water with the aid of a dispersing agent. The emulsions are storage stable and are useful in multi-component coating, adhesive, and binder systems.
    Type: Grant
    Filed: August 23, 2012
    Date of Patent: March 31, 2015
    Assignee: Wacker Chemical Corporation
    Inventors: Timothy McCormack, Daniel Calimente
  • Patent number: 8986647
    Abstract: 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.
    Type: Grant
    Filed: October 21, 2011
    Date of Patent: March 24, 2015
    Assignee: Wacker Chemical Corporation
    Inventors: Goekhan Ural, Michael W. Head, Megan P. Powell
  • Patent number: 8907006
    Abstract: Liquid silicone rubber base polymer compositions having improved color are prepared by reaction of fumed silica reinforcing filler with a silazane, and without drying the silazane-treated filler, an aliphatically unsaturated silicone is added, heated to above 80° C., and then further aliphatically unsaturated silicone is added. The compositions have improved whiteness and color reproducibility.
    Type: Grant
    Filed: July 10, 2013
    Date of Patent: December 9, 2014
    Assignee: Wacker Chemical Corporation
    Inventor: Helio Rincon
  • Patent number: 8877844
    Abstract: Blocking resistance of highly pigmented aqueous coating compositions is improved by addition of an anti-blocking organosilicon composition containing. A) 100 parts by weight of at least one aminoalkyl-functional organopolysiloxane; B) from 1 to 20 parts by weight of at least one aminoalkyl-functional alkoxysilane or partial hydrolysis product thereof, and C) from 10 to 500 parts by weight of at least one silanol-functional organopolysiloxane free of aminoalkyl groups, wherein the weight percentages of A), B), and C) are relative to the total weight of components A), B), and C). The organosilicon composition is advantageously supplied in the form of an aqueous emulsion.
    Type: Grant
    Filed: January 16, 2013
    Date of Patent: November 4, 2014
    Assignee: Wacker Chemical Corporation
    Inventor: Amanda Andrews
  • Publication number: 20140212368
    Abstract: Branched organopolysiloxanes of low molecular weight contain bonded arylalkyl groups. Si—C bonded surfactant groups, preferably polyoxyalkylene polyether groups, and long chain alkyl groups, exhibit a high refractive index, are completely or partially self-emulsifying, and are compatible with a variety of cosmetically acceptable oils and solvents.
    Type: Application
    Filed: January 31, 2013
    Publication date: July 31, 2014
    Applicant: Wacker Chemical Corporation
    Inventors: Aroop K. Roy, Amitabha Mitra, Michael L. Coffey
  • Publication number: 20140213717
    Abstract: Woodstains of improved weatherability are prepared by incorporating polymer coated nanoparticles, and preferably at least one silicone, fluorocarbon, organosilane or wax water repellant into the woodstain.
    Type: Application
    Filed: January 28, 2013
    Publication date: July 31, 2014
    Applicant: Wacker Chemical Corporation
    Inventors: Amanda Andrews, Frank Sandmeyer, James D. Greene, Ricky W. Coffey
  • Publication number: 20140200296
    Abstract: Blocking resistance of highly pigmented aqueous coating compositions is improved by addition of an anti-blocking organosilicon composition containing. A) 100 parts by weight of at least one aminoalkyl-functional organopolysiloxane; B) from 1 to 20 parts by weight of at least one aminoalkyl-functional alkoxysilane or partial hydrolysis product thereof, and C) from 10 to 500 parts by weight of at least one silanol-functional organopolysiloxane free of aminoalkyl groups, wherein the weight percentages of A), B), and C) are relative to the total weight of components A), B), and C). The organosilicon composition is advantageously supplied in the form of an aqueous emulsion.
    Type: Application
    Filed: January 16, 2013
    Publication date: July 17, 2014
    Applicant: WACKER CHEMICAL CORPORATION
    Inventor: Amanda Andrews
  • Publication number: 20140124200
    Abstract: Proppant particles coated with an arylolic resin/silicone resin copolymer, wherein the silicon resin contains D units and T units, are suitable for fracturing operations in geological formations and retain their deformability over time without becoming excessively brittle.
    Type: Application
    Filed: November 2, 2012
    Publication date: May 8, 2014
    Applicant: WACKER CHEMICAL CORPORATION
    Inventor: Frances Marie Fournier
  • Publication number: 20140087120
    Abstract: An aqueous carpet coating composition includes a particulate filler, a polymeric thickener and an aqueous dispersion of a copolymer that includes vinyl acetate units and ethylene units. The dispersion stabilization system includes a) 1.5 to 3 wt % of a combination of polyvinyl alcohols including a1) one or more partially hydrolyzed polyvinyl alcohols with a degree of hydrolysis of 85 to 95 mol % and a Hoeppler viscosity of 10-33 mPa·s, and a2) one or more highly hydrolyzed polyvinyl alcohols with a degree of hydrolysis of 98 to 100 mol % and a Hoeppler viscosity of 10-33 mPa·s; and b) 1.5 to 3 wt % of an emulsifier component consisting of one or more nonionic emulsifiers and one or more anionic emulsifiers. The dispersion has a viscosity of ?1500 mPa·s and the viscosity of the coating composition is 6000 to 7000 mPa·s.
    Type: Application
    Filed: September 27, 2012
    Publication date: March 27, 2014
    Applicant: Wacker Chemical Corporation
    Inventors: Dennis Sagl, John McClurken, Ronald Joseph Pangrazi
  • Publication number: 20140088249
    Abstract: A process for preparing an aqueous emulsifier-stabilized vinyl acetate-ethylene copolymer dispersion with weight average particle size in a range from 100 nm to 300 nm includes emulsion polymerization of a reaction mixture including: a) vinyl acetate and ethylene, b) 0.05 to 1% by weight, based on the total weight of monomers and comonomers, of at least one functional comonomer selected from the group consisting of ethylenically unsaturated monomers with at least one phosphate group or phosphonic acid group or their salts and ethylenically unsaturated sulphonic acids or their salts, c) 0.5 to 5% by weight, based on the total weight of monomers and comonomers, of at least one anionic emulsifier and optionally one or more nonionic emulsifiers, and d) optionally at most 0.5%, based on the total weight of monomers and comonomers, of a protective colloid. The process reactor uses an external heat exchange circuit.
    Type: Application
    Filed: September 26, 2012
    Publication date: March 27, 2014
    Applicant: Wacker Chemical Corporation
    Inventor: Christian Leonard Daniels
  • Publication number: 20140058012
    Abstract: Aqueous emulsions of epoxy- and organo-substituted, branched organopolysiloxanes are prepared by emulsifying the latter in water with the aid of a dispersing agent. The emulsions are storage stable and are useful in multi-component coating, adhesive, and binder systems.
    Type: Application
    Filed: August 23, 2012
    Publication date: February 27, 2014
    Applicant: WACKER CHEMICAL CORPORATION
    Inventors: Timothy McCormack, Daniel Calimente
  • Patent number: 8623166
    Abstract: A method of forming on a substrate an adhesive region that includes an adhesive composition employs steps of: a) applying a dispersion of the adhesive composition in a solvent to an anilox roller on a flexographic press, said adhesive composition comprising an adhesive polymer; b) contacting the anilox roller with a flexographic plate to transfer a portion of the dispersion thereto, said flexographic plate comprising an adhesive application region having a shape substantially matching that of the adhesive region on the substrate; c) contacting the flexographic plate with the substrate to transfer the dispersion to the substrate; and d) drying the dispersion on the substrate to form the adhesive region.
    Type: Grant
    Filed: November 18, 2008
    Date of Patent: January 7, 2014
    Assignee: Wacker Chemical Corporation
    Inventors: Bruce Gruber, Monaca Flexer, Mark Monahan
  • Patent number: 8524262
    Abstract: 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.
    Type: Grant
    Filed: February 23, 2011
    Date of Patent: September 3, 2013
    Assignee: Wacker Chemical Corporation
    Inventors: Aroop Kumar Roy, Michael Lee Coffey
  • Patent number: 8481655
    Abstract: 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.
    Type: Grant
    Filed: July 27, 2011
    Date of Patent: July 9, 2013
    Assignee: Wacker Chemical Corporation
    Inventors: Elizabeth Sorensen Paps, Fushu Fu, Theodore D. Johnson
  • Patent number: 8470949
    Abstract: 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.
    Type: Grant
    Filed: July 28, 2011
    Date of Patent: June 25, 2013
    Assignee: Wacker Chemical Corporation
    Inventors: Hartmut Ackermann, Daniel J. Mania, Richard L. Kirkpatrick, Mike Coffey
  • Publication number: 20130149928
    Abstract: An aqueous composition includes a blend of: a) an aqueous dispersion of a vinyl acetate ethylene or vinyl acetate polymer, stabilized by polyvinyl alcohol and optionally also by a surfactant, wherein the polymer does not include units of any N-methylol-containing monomer; and b) an aqueous dispersion of an N-methylol-containing vinyl acetate ethylene or vinyl acetate polymer, stabilized with a surfactant, polyvinyl alcohol or a combination thereof. A method of increasing the wet strength of a fibrous nonwoven substrate includes applying to the substrate the abovementioned aqueous composition, followed by a drying step. A fibrous nonwoven article is produced.
    Type: Application
    Filed: December 7, 2011
    Publication date: June 13, 2013
    Applicant: Wacker Chemical Corporation
    Inventors: John Richard Boylan, Conrad William Perry
  • Publication number: 20130149929
    Abstract: An aqueous composition includes a blend of: a) an aqueous dispersion of an N-methylol-containing vinyl acetate ethylene or vinyl acetate polymer, stabilized by polyvinyl alcohol and optionally also by a surfactant, wherein N-methylol-containing monomer units constitute from 0.025 to 0.4 wt % of the polymer; and b) an acid. The invention provides a method of increasing the wet strength of a fibrous nonwoven substrate, including applying to the substrate the above aqueous composition, followed by a drying step. A fibrous nonwoven article is thereby provided.
    Type: Application
    Filed: December 7, 2011
    Publication date: June 13, 2013
    Applicant: Wacker Chemical Corporation
    Inventors: John Richard Boylan, Dennis Sagl