Solid Polymer Utilized Is Derived From An Unsaturated Carboxylic Acid Or Salt Patents (Class 524/460)
  • Publication number: 20110159306
    Abstract: An aqueous, metal, coating composition (and process for obtaining it) comprising a block copolymer and a polymer P; wherein the block copolymer comprises at least blocks [A]x[B]y, where at least block [A] is obtained by a controlled radical polymerisation of at least one ethylenically unsaturated monomer via a reversible addition-fragmentation chain transfer (RAFT) mechanism in solution in the presence of a control agent and a source of free radicals; and where (a) block [A] comprises (i) 0 to 80 mol % of metal adhering ethylenically unsaturated monomers; (ii) 0 to 100 mol % of water dispersible ethylenically unsaturated monomers; (iii) 0 to 70 mol % of C1 to C30 hydrocarbo (meth)acrylate and/or styrenic monomers; (iv) 0 to 35 mol % of ethylenically unsaturated monomer different from i), ii)+iii); where the amount of at least one of i), ii), iii)+iv) is >0 mol %; block [A] has a Hansch parameter <1.
    Type: Application
    Filed: June 30, 2009
    Publication date: June 30, 2011
    Inventors: Michael Arnoldus Jacobus Schellekens, Tijs Nabuurs, John Geurts, Gerardus Cornelis Overbeek
  • Publication number: 20110152433
    Abstract: The present invention relates to a process for the preparation of nanoparticulate zinc oxide in the form of aqueous suspensions or in the form of pulverulent solid. Furthermore, the invention relates to the use of zinc oxide particles and suspensions prepared in this way in cosmetic sunscreen preparations, as stabilizer in plastics, in paints, in coatings and as antimicrobial active ingredient.
    Type: Application
    Filed: July 30, 2009
    Publication date: June 23, 2011
    Applicant: BASF SE
    Inventors: Bernd Bechtloff, Lars Vicum, Hartwig Voss, Robert Wengeler, Andrey Karpov, Jing Dreher, Valerie Andre
  • Patent number: 7956156
    Abstract: A process is described for removing isobutene oligomers from an isobutene polymer by stripping the isobutene polymer with vapors of a saturated hydrocarbon having at least 8 carbon atoms and at least partly driving out the isobutene oligomers. Troublesome isobutene oligomers are substantially removed without impairing the reactivity of the isobutene polymer (expressed as the content of the methylidene double bonds).
    Type: Grant
    Filed: November 13, 2007
    Date of Patent: June 7, 2011
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans Peter Rath, Phillip Hanefeld, Helmut Mach
  • Patent number: 7923503
    Abstract: There provided a pressure-sensitive adhesive (PSA) composition constituting a PSA layer, which may exhibit a plurality of properties in a well-balanced manner, and a PSA sheet including the PSA layer. The composition is an aqueous PSA composition in which an acrylic polymer serves as a main component and the acrylic polymer is dispersed in water, and contains: A) acrylic polymer obtained by polymerizing a monomer raw material including alkyl(meth)acrylate as a main monomer, a first functional monomer having a first functional group to react with a hydrazino group, and a second functional monomer having a second functional group to react with a carbodiimide group; B) a hydrazine-based crosslinking agent; and C) a carbodiimide-based crosslinking agent.
    Type: Grant
    Filed: August 3, 2007
    Date of Patent: April 12, 2011
    Assignee: Nitto Denko Corporation
    Inventors: Akiko Takahashi, Mami Ikeya
  • Publication number: 20110077342
    Abstract: “The invention relates to a method for preparing a composite latex, including (a) a first step of free radical emulsion or microsuspension polymerization or copolymerization, leading to the production of a first polymer latex, and (b) a second step of free radical microsuspension, emulsion, or suspension polymerization or copolymerization in the presence of the first polymer latex obtained in the first step (a), characterized in that the first polymer forming the latex obtained in step (a) is a halogen-containing vinyl polymer and the polymer formed in step (b) is an associative copolymer, preferably compatible with the halogen-containing vinyl polymer, which contains units from a first monomer (A) and units from a second monomer (B) having at least one associative group; however the nature of both polymers are capable of being reversed.
    Type: Application
    Filed: May 11, 2009
    Publication date: March 31, 2011
    Inventors: Manuel Hidalgo, Thierry Pascal
  • Patent number: 7888439
    Abstract: A process for the production of aqueous binder latices by multistage emulsion polymerization in the aqueous phase, comprising the successive steps: 1) free-radical polymerization of a monomer mixture A comprising acidic monomers in a proportion corresponding to an acid value of 10 to 100 mg of KOH/g and olefinically polyunsaturated monomers in a proportion of 0.5 to 5 wt %, 2) neutralization of acid groups of the polymer formed in process step 1) and 3) free-radical polymerization of at least one monomer mixture B comprising acidic monomers in a proportion corresponding to an acid value of mixture(s) B of 0 to below 5 mg of KOH/g, hydroxyl-functional monomers in a proportion corresponding to a hydroxyl value of mixture(s) B of 0 to below 5 mg of KOH/g and olefinically polyunsaturated monomers in a proportion of 0.
    Type: Grant
    Filed: April 7, 2008
    Date of Patent: February 15, 2011
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Tanja Renkes, Frank Tessari, Matthieu Barrere
  • Patent number: 7834079
    Abstract: Disclose is a water soluble anionic polymer dispersion containing a radical copolymer created in water salt which includes anionic monomer, non-ionic monomer, ionic dispersant and radical polymerization initiator, and anionic surfactant or non-ionic surfactant. Also disclosed is a water soluble anionic polymer dispersion is characterized by containment of radical copolymer created in salt water which includes anionic monomer, non-ionic monomer, ionic dispersant, and radical polymerization initiator, and anionic surfactant, and non-ionic surfactant. Manufacturing methods for the water soluble anionic polymer dispersions are further disclosed herein.
    Type: Grant
    Filed: December 14, 2006
    Date of Patent: November 16, 2010
    Assignees: Green Technology, Inc., Taki Chemical Co., Ltd.
    Inventors: Sung Wook Han, Seung Chul Lee
  • Patent number: 7833687
    Abstract: The present invention provides an aqueous dispersion of nonspherical fine resin particles having excellent storage stability and processability such as aggregation and adherence to other substances, a method for producing the aqueous dispersion of fine resin particles, and a method for producing toner particles using the aqueous dispersion of fine resin particles. The present invention relates to an aqueous dispersion of fine resin particles characterized in that the fine resin particles are nonspherical particles with an average minor axis being 0.02 ?m or more and 1.00 ?m or less and an average ratio of a major axis to a minor axis being 2.0 or more and 5.0 or less, a method for producing the aqueous dispersion of fine resin particles, and a method for producing toner particles using the aqueous dispersion of fine resin particles.
    Type: Grant
    Filed: October 6, 2009
    Date of Patent: November 16, 2010
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masayoshi Kato, Takayuki Toyoda, Ryuji Higashi, Ryo Natori, Takaho Shibata, Yuya Chimoto, Takeshi Miyazaki
  • Patent number: 7825173
    Abstract: A process for the production of aqueous binder latices by multistage emulsion polymerization in the aqueous phase, comprising the successive steps: 1) free-radical polymerization of a mixture A of olefinically unsaturated, free-radically polymerizable monomers, comprising at least one monomer with at least one acid group in a proportion corresponding to an acid value of mixture A of 10 to 100 mg of KOH/g and 0.5 to 5 wt.
    Type: Grant
    Filed: November 15, 2005
    Date of Patent: November 2, 2010
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Tonnie Willems, Matthieu Barrere, Kok-Far Lee, Frank Tessari, Stefan Wiggershaus, Paul P. Bruylants, Eric C. Houze
  • Patent number: 7816441
    Abstract: The use of an addition polymer A composed in copolymerized form of 0.1% to 40% by weight of at least one C3 to C30 alkene, 40% to 99.9% by weight of at least one ethylenically unsaturated C3 to C6 monocarboxylic acid, 0% to 50% by weight of at least one ethylenically unsaturated C4 to C12 dicarboxylic acid and/or of the ethylenically unsaturated dicarboxylic monoalkyl esters or dicarboxylic anhydrides obtainable from said acid, and 0% to 30% by weight of at least one other ethylenically unsaturated compound which is copolymerizable with the aforementioned monomers, as a dispersing assistant in free-radically initiated aqueous emulsion or suspension polymerization.
    Type: Grant
    Filed: July 23, 2009
    Date of Patent: October 19, 2010
    Assignee: BASF SE
    Inventors: Oihana Elizalde, Kathrin Michl, Rajan Venkatesh
  • Patent number: 7803878
    Abstract: An aqueous polymer emulsion comprising water and swollen multi-stage polymer is provided. The swollen multi-stage polymer has low dry bulk density, as measured by centrifugation. To achieve the low dry bulk density, the polymer is highly swollen in such a way that it does not subsequently collapse. The polymer is useful in paint and paper coatings.
    Type: Grant
    Filed: September 4, 2008
    Date of Patent: September 28, 2010
    Assignee: Rohm and Haas Company
    Inventors: Robert Mitchell Blankenship, James Keith Bardman
  • Patent number: 7803863
    Abstract: A filler-containing an organic polymer dispersion is provided. The organic polymer of the dispersion is polymerized in the presence of particles of at least one filler. The ratio of the particle size of the filler particles to the particle size of the polymer particles is in the range of from 1.1:1 to 20:1.
    Type: Grant
    Filed: October 15, 2003
    Date of Patent: September 28, 2010
    Assignee: Henkel AG & Co. KGaA
    Inventor: Roberto Pavez Aranguiz
  • Patent number: 7799859
    Abstract: A surfactant composition has good emulsifiability for monomer(s), and can provide a polymer emulsion (herein after simply called “the emulsion”) of good stability while decreasing coagulations of polymer particles in the emulsion. The surfactant composition contains the following components (A) and (B): (A) a reactive surfactant containing at least one polymerizable double-bond group and at least one ionic group in a molecule, and (B) a nitrogen compound insoluble or slightly soluble in ethanol. A weight ratio (A:B) of the component (A) to the component (B) is from 100:0.03 to 100:1.0.
    Type: Grant
    Filed: September 9, 2005
    Date of Patent: September 21, 2010
    Assignee: Adeka Corporation
    Inventors: Kazushi Kobayashi, Koji Beppu
  • Patent number: 7799881
    Abstract: A process is described for the preparation of latices based on polychloroprene, comprising the polymerization of chloroprene in the presence of a first latex essentially consisting of polymeric particles produced in a first polymerization of a composition of monomers comprising (a) alpha-, beta-unsaturated carboxylic acids and/or derivatives thereof, (b) vinyl aromatic compounds, (c) conjugated dienes; said first latex having a content of alpha-, beta-unsaturated carboxylic acids, expressed as parts of alpha-, beta-unsaturated carboxylic acids per 100 grams of polymeric particles, ranging from 1 to 15%, thus obtaining a final latex, the solid particles of said final latex having an quantity of chloroprene ranging from 50 to 95% by weight, preferably from 80 to 95% by weight.
    Type: Grant
    Filed: June 3, 2009
    Date of Patent: September 21, 2010
    Assignee: Polimeri Europa S.p.A.
    Inventors: Romano Lima, Augusto Fabbri
  • Patent number: 7754804
    Abstract: An aqueous dispersion of water-soluble polymers obtained by free radical polymerization of ethylenically unsaturated anionic monomers in an aqueous medium in the presence of a stabilizer, wherein the stabilizer comprises: (a) at least one water-soluble polymer selected from the group consisting of a graft polymer of vinyl acetate and/or vinyl propionate on polyethylene glycol, a polyethylene glycol blocked at one or both terminal groups with an alkyl, a carboxyl or an amino group, and a copolymer of alkyl polyalkylene glycol methacrylate and methacrylic acid; and (b) at least one water-soluble polymer selected from the group consisting of a hydrolyzed copolymer of vinyl alkyl ether and maleic anhydride in the form of free carboxyl groups or in the form of salts at least partially neutralized with one or more alkali metal hydroxides or one or more ammonium bases, a cationically modified potato starch, an anionically modified potato starch, a degraded potato starch and maltodextrin.
    Type: Grant
    Filed: July 17, 2004
    Date of Patent: July 13, 2010
    Assignee: BASF Aktiengesellschaft
    Inventors: Pulakesh Mukherjee, Marc Leduc, Peter Claassen, Werner Gauweiler, Roland Nowack
  • Publication number: 20100170648
    Abstract: Use of an aqueous polymer composition for impregnating base paper.
    Type: Application
    Filed: January 9, 2007
    Publication date: July 8, 2010
    Inventors: Oihana Elizalde, Matthias Gerst
  • Patent number: 7691934
    Abstract: The invention is directed to a method of making ultra high molecular weight diallyldialkyl ammonium salt homopolymers, compositions thereof and use of compositions as a fixative in papermaking.
    Type: Grant
    Filed: October 19, 2006
    Date of Patent: April 6, 2010
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Zhiqiang Song, George William Schriver, Holger Reinicke
  • Patent number: 7691935
    Abstract: A process for producing an aqueous emulsion of a polyolefin having a weight-average molecular weight of 20,000 or higher, characterized in that a styrene/maleic anhydride copolymer or/and an ester of a styrene/maleic acid copolymer is used as a polymer dispersant.
    Type: Grant
    Filed: February 19, 2004
    Date of Patent: April 6, 2010
    Assignee: Maruyoshi Chemical Co., Ltd
    Inventor: Iwao Sakamoto
  • Publication number: 20100016493
    Abstract: PSAs having enhanced resistance to water-whitening and high shear stability are disclosed. The PSAs are obtained from an aqueous dispersion comprising an effective amount of surfactant mixture comprising at least one ionic surfactant comprising a plurality, preferably at least three, aromatic rings, at least one electronegative substituent selected from a mono valent oxy substituted sulfo anion, and/or a mono valent oxy substituted phospho anion, and at least one substituent comprising one or more repeating alkoxy units (e.g. Soprophor 4D 384), and at least one non-ionic surfactant (e.g. Abex 2535) and a further non aromatic ionic surfactant (e.g. Aerosol OT 75); and a monomer composition comprising: at least one hydrophobic monomer (Component I), at least one hydrophilic monomer (Component II) at least one partially hydrophilic monomer (Component III) and optionally at least one a ureido monomer (e.g. Norsocryl 102) (Component IV).
    Type: Application
    Filed: June 1, 2007
    Publication date: January 21, 2010
    Applicant: CYTEC SURFACE SPECIALTIES, S.A.
    Inventors: Leo Ternorutsky, Jong-Shing Guo, Augustin Chen
  • Publication number: 20100010143
    Abstract: Process for preparing an aqueous polymer composition using water-soluble free radical chain regulators.
    Type: Application
    Filed: February 4, 2008
    Publication date: January 14, 2010
    Applicant: BASF SE
    Inventors: Oihana Elizalde, Matthias Gerst
  • Publication number: 20090326137
    Abstract: A process to disperse organic microparticles/nanoparticles into non-aqueous resin medium is provided. The process includes the steps of a) preparing a resin dispersion/emulsion in water and/or solvent where the resin contains unsaturation in the polymer chain and optionally comprises an ethylenically unsaturated monomer; b) curing the resin dispersion/emulsion by adding monomer and/or initiator; and c) adding the cured dispersion/emulsion during a synthesis step of a resin medium. The amount of organic microparticles/nanoparticles in the resin medium can be about 2 to about 30% by weight based on the total weight of the composition.
    Type: Application
    Filed: May 28, 2009
    Publication date: December 31, 2009
    Inventors: Chih-Pin Hsu, Ming Yang Zhao, Steven L. Voeks
  • Publication number: 20090326138
    Abstract: The invention relates to water-based coating compositions, comprising: A) at least one aqueous (meth)acrylate latex, B) at least one aqueous polymer latex, selected from the group consisting of polydiene latex, polydiene copolymer latex, polystyrene latex, nitrile latex and mixtures thereof, and C) at least one amino resin.
    Type: Application
    Filed: December 5, 2007
    Publication date: December 31, 2009
    Inventors: Dmitry Chernyshov, Uwe Wilkenhoener
  • Patent number: 7608656
    Abstract: A process for producing an emulsion pressure-sensitive adhesive includes (co)polymerizing a main monomer in the presence of a protective colloid, the protective colloid being an acrylic copolymer including (A-1) at least one hydrophilic monomer selected from the group consisting of acrylamide, methacrylamide, hydroxyethyl acrylate and hydroxyethyl methacrylate and (B-1) an alkyl (meth)acrylate that is copolymerizable with the hydrophilic monomer (A-1) and whose alkyl group has 4 to 18 carbon atoms, or (A-2) a hydrophilic monomer being acrylic acid and/or methacrylic acid and (B-2) an alkyl (meth)acrylate that is copolymerizable with the hydrophilic monomer (A-2) and whose alkyl group has 4 to 9 carbon atoms; the hydrophilic monomer and the alkyl (meth)acrylate being copolymerized in a weight ratio in the range of 40-70:60-30; the acrylic copolymer having a weight-average molecular weight in the range of 500 to 50000.
    Type: Grant
    Filed: February 11, 2008
    Date of Patent: October 27, 2009
    Assignee: Soken Chemical & Engineering Co., Ltd.
    Inventor: Kiyokuni Saitama
  • Patent number: 7608208
    Abstract: The current invention relates to water-swellable polymers at least partially comprised of sulfonic acid group containing monomers as additives for fire extinguishing water, which exhibits an elevated NaCl content, used in fire prevention and to combat fire.
    Type: Grant
    Filed: February 8, 2002
    Date of Patent: October 27, 2009
    Assignee: Evonik Stockhausen GmbH
    Inventors: Jochen Houben, Erich Küster, Martin Tennie
  • Patent number: 7598303
    Abstract: A process for making an aqueous dispersion is provided. More specifically, a process for making an aqueous dispersion having at least two polymeric components is provided.
    Type: Grant
    Filed: January 24, 2006
    Date of Patent: October 6, 2009
    Assignee: Rohm and Haas Company
    Inventor: Willie Lau
  • Publication number: 20090239989
    Abstract: A process is described for the preparation of latices based on polychloroprene, comprising the polymerization of chloroprene in the presence of a first latex essentially consisting of polymeric particles produced in a first polymerization of a composition of monomers comprising (a) alpha-, beta-unsaturated carboxylic acids and/or derivatives thereof, (b) vinyl aromatic compounds, (c) conjugated dienes; said first latex having a content of alpha-, beta-unsaturated carboxylic acids, expressed as parts of alpha-, beta-unsaturated carboxylic acids per 100 grams of polymeric particles, ranging from 1 to 15%, thus obtaining a final latex, the solid particles of said final latex having an quantity of chloroprene ranging from 50 to 95% by weight, preferably from 80 to 95% by weight.
    Type: Application
    Filed: June 3, 2009
    Publication date: September 24, 2009
    Applicant: POLIMERI EUROPA S.P.A
    Inventors: Romano Lima, Augusto Fabbri
  • Patent number: 7576149
    Abstract: A recording medium with an ink image thereon, wherein a varnish at least partially covers the ink image, and wherein the varnish composition prior to application comprises at least one latex emulsion, water, at least one base and at least one surfactant.
    Type: Grant
    Filed: May 31, 2006
    Date of Patent: August 18, 2009
    Assignee: Xerox Corporation
    Inventors: Christine D. Anderson, T. Brian McAneney
  • Publication number: 20090186232
    Abstract: An emulsion comprising a dispersoid dispersed in water together with an emulsifier, wherein the dispersoid is an olefin copolymer containing a structural unit derived from ethylene, linear ?-olefin, or ethylene and linear ?-olefin, and a structural unit derived from the following vinyl compound (I), or an olefin copolymer modified material obtained by further graft-polymerizing unsaturated carboxylic acids to the olefin copolymer, and the volume-based median diameter of the dispersoid contained in the emulsion is 0.01 to 1 ?m. CH2?CH—R??(I) (wherein, R in the vinyl compound (I) represents a secondary alkyl group, tertiary alkyl group or alicyclic hydrocarbon group.).
    Type: Application
    Filed: April 10, 2007
    Publication date: July 23, 2009
    Applicants: SUMITOMO CHEMICAL COMPANY, LIMITED, SUMIKA CHEMTEX COMPANY, LIMITED
    Inventors: Yoshihito Okubo, Kazutaka Kusunoki, Tatsuo Mitsutake, Hideo Narahara, Tadashi Hikasa
  • Patent number: 7544753
    Abstract: A process for producing an elastic fluorocopolymer, by emulsion-polymerizing at least one fluoromonomer (a), a vinyl ester monomer (b) represented by the formula CR1R2?CR3COOCH?CH2 optionally, at least one hydrocarbon monomer (c) selected from the group consisting of ethylene, propylene and a vinyl ether, in an aqueous medium to produce an elastic fluorocopolymer latex, adjusting the pH of the elastic fluorocopolymer latex to from 1 to 9, and coagulating the elastic fluorocopolymer latex to isolate an elastic fluorocopolymer.
    Type: Grant
    Filed: January 3, 2007
    Date of Patent: June 9, 2009
    Assignee: Asahi Glass Company, Limited
    Inventors: Junpei Nomura, Hiroshi Funaki, Hiroki Kamiya
  • Patent number: 7514500
    Abstract: The invention provides a process for preparing polymeric beads of complexing resin incorporating magnetic particles, which process comprises: producing a dispersion having a continuous aqueous phase and a dispersed organic phase, said organic phase comprising one or more polymerisable monomers, magnetic particles and a dispersing agent for dispersing said magnetic particles in the organic phase; polymerising said one or more polymerisable monomers to form polymeric beads incorporating said magnetic particles, wherein said polymeric beads include amine groups capable of complexing a transition metal cation, or wherein said polymeric beads are reacted with one or more compounds to provide amine groups capable of complexing a transition metal cation, complexing resins prepared by this process, and polymeric beads of complexing resin comprising a polymer matrix having magnetic particles dispersed substantially uniformly therein, wherein the polymer matrix incorporates amine groups capable of complexing a transiti
    Type: Grant
    Filed: January 8, 2003
    Date of Patent: April 7, 2009
    Assignees: Commonwealth Scientific and Industrial Research Organization, Orica Australia Pty. Ltd.
    Inventors: Robert James Eldridge, Marck Norret, Thomas W. Dahlke, Mathew John Ballard, Beryn John Adams
  • Publication number: 20090076211
    Abstract: The present invention relates to hyperbranched copolymers and compositions in which they are incorporated, e.g., colorant compositions, tint bases, and coatings such as latex paint, and methods for making such copolymers and compositions.
    Type: Application
    Filed: July 21, 2008
    Publication date: March 19, 2009
    Inventors: Yong Yang, Robert Sheerin, Johanna L. Garcia de Visicaro
  • Publication number: 20090036574
    Abstract: An aqueous dispersion includes a self-crosslinking alkylolacrylamide containing interpolymer, the interpolymer being prepared in an emulsion polymerization medium by way of interpolymerizing in the medium: (a) acrylamide monomer; (b) N—C2 to C10 alkylolacrylamide monomer, wherein the molar ratio of acrylamide:N—C2 to C10 alkylolacrylamide interpolymerized is at least 0.5; and (c) at least one or more additional ethylenically unsaturated monomers added to the medium in an amount of from about 80 weight % to about 98 weight % based on the dry weight of monomer interpolymerized in the medium. The dispersions are particularly useful as binders for fibrous webs.
    Type: Application
    Filed: July 31, 2007
    Publication date: February 5, 2009
    Inventor: Joel E. Goldstein
  • Patent number: 7445849
    Abstract: A description is given of a concrete molding which is coated with cement-bound mineral coating composition (cement slurry) and with a transparent varnish, the transparent varnish comprising as binder an aqueous polymer dispersion and also at least one anionic emulsifier containing at least one phosphate and/or phosphonate group. The concrete molding is distinguished by high gloss and can be used in particular as rooftile.
    Type: Grant
    Filed: September 20, 2004
    Date of Patent: November 4, 2008
    Assignee: Celanese Emulsions GmbH
    Inventors: Gregor Apitz, Helga Machnik, Hans W. Kremer, Stephan Krieger, Klaudia Knell
  • Patent number: 7435783
    Abstract: An aqueous polymer emulsion comprising water and swollen multi-stage polymer is provided. The swollen multi-stage polymer has low dry bulk density, as measured by centrifugation. To achieve the low dry bulk density, the polymer is highly swollen in such a way that it does not subsequently collapse. The polymer is useful in paint and paper coatings.
    Type: Grant
    Filed: November 8, 2004
    Date of Patent: October 14, 2008
    Assignee: Rohm and Haas Company
    Inventors: Robert Mitchell Blankenship, James Keith Bardman
  • Patent number: 7435773
    Abstract: A resin composite having excellent tensile strength and a process for producing the composite are provided. The resin composite comprises a resin and aluminum hydroxide having an average primary-particle diameter of about 100 nm or smaller and has an index Y/X of 0.1 or less provided that the value X is an average intensity of intensities of aluminum characteristic X-ray measured by scanning a beam on a straight line on the composite with an electron-probe X-ray microanalyzer and the value Y is a standard deviation of the intensities.
    Type: Grant
    Filed: November 9, 2000
    Date of Patent: October 14, 2008
    Assignee: Sumitomo Chemical Company, Limited
    Inventor: Satoru Nippa
  • Publication number: 20080207774
    Abstract: This invention relates to the field of polymeric materials that can be used in combination with a wide variety of substrates, such as personal care products, textiles, metal, cellulosic materials, plastics, and the like, and to the field of active agents including, for example, antimicrobial, antibacterial and antifungal materials. This invention further relates to latex polymer coatings that comprise at least one active component as well as methods for making and using such latex compositions.
    Type: Application
    Filed: May 6, 2008
    Publication date: August 28, 2008
    Inventor: Venkataram Krishnan
  • Publication number: 20080207816
    Abstract: An adhesive composition comprising an amount of an adhesive, and an amount of an additive which is selected from the group of homopolymers of acrylic acid, copolymers of acrylic acid and, polyacrylates, polyurethanes, cellulose thickening agent, natural or synthetic gum, natural or synthetic resin, silica or an inorganic mineral having a layered structure.
    Type: Application
    Filed: June 25, 2004
    Publication date: August 28, 2008
    Applicant: CORRUTECH
    Inventors: Philippe Ceulemans, Olivier Ceulemans
  • Patent number: 7411020
    Abstract: In one aspect, the invention provides a water-based release coating composition comprising a mixture of: A. from 0.1 to about 5 wt % of a fluoro(meth)acrylate (co)polymer or a fluorochemical urethane compound containing at least one fluorinated group having the formula —CF2)nCF3, wherein n is an integer from 1 to 3; B. from about 5 to about 99.9 wt % of a copolymer comprising the reaction product of a. from about 40 to about 70 wt % of an alkyl (meth)acrylate, wherein the alkyl group contains from 16 to 22 carbon atoms, b. from about 3 to about 20 wt % of (meth)acrylic acid, c. from about 20 to about 40 wt % acrylonitrile, and d. from 0 to about 15 wt % of vinyl monomer, other than acrylonitrile, wherein the sum of a. through d. equals 100%; and C. from 0 to about 94.9 wt % of an extender polymer, wherein the sum of A., B., and C. is 100% and wt % is based on the total amount of solids in the composition.
    Type: Grant
    Filed: December 28, 2004
    Date of Patent: August 12, 2008
    Assignee: 3M Innovative Properties Company
    Inventors: James G. Carlson, John C. Clark, James P. DiZio, David J. Kinning, Ramesh C. Kumar, Chetan P. Jariwala
  • Patent number: 7375161
    Abstract: A process for producing an emulsion pressure-sensitive adhesive comprises (co)polymerizing a main monomer in the presence of a protective colloid, the protective colloid being an acrylic copolymer comprising (A-1) at least one hydrophilic monomer selected from the group consisting of acrylamide, methacrylamide, hydroxyethyl acrylate and hydroxyethyl methacrylate and (B-1) an alkyl (meth)acrylate that is copolymerizable with the hydrophilic monomer (A-1) and whose alkyl group has 4 to 18 carbon atoms, or (A-2) a hydrophilic monomer being acrylic acid and/or methacrylic acid and (B-2) an alkyl (meth)acrylate that is copolymerizable with the hydrophilic monomer (A-2) and whose alkyl group has 4 to 9 carbon atoms; the hydrophilic monomer and the alkyl (meth)acrylate being copolymerized in a weight ratio in the range of 40-70:60-30; the acrylic copolymer having a weight-average molecular weight in the range of 500 to 50000.
    Type: Grant
    Filed: February 27, 2004
    Date of Patent: May 20, 2008
    Assignee: Soken Chemical & Engineering Co., Ltd.
    Inventor: Kiyokuni Takashima
  • Publication number: 20080033096
    Abstract: There provided a pressure-sensitive adhesive (PSA) composition constituting a PSA layer, which may exhibit a plurality of properties in a well-balanced manner, and a PSA sheet including the PSA layer. The composition is an aqueous PSA composition in which an acrylic polymer serves as a main component and the acrylic polymer is dispersed in water, and contains: A) acrylic polymer obtained by polymerizing a monomer raw material including alkyl(meth)acrylate as a main monomer, a first functional monomer having a first functional group to react with a hydrazino group, and a second functional monomer having a second functional group to react with a carbodiimide group; B) a hydrazine-based crosslinking agent; and C) a carbodiimide-based crosslinking agent.
    Type: Application
    Filed: August 3, 2007
    Publication date: February 7, 2008
    Applicant: NITTO DENKO CORPORATION
    Inventors: Akiko TAKAHASHI, Mami IKEYA
  • Publication number: 20080033095
    Abstract: A method for producing an aqueous pressure-sensitive adhesive (PSA) composition suitable to form a PSA sheet which exhibits high level of adhesive strength, cohesive strength under high temperature conditions and edge peeling resistance in a well-balanced manner is provided. The method comprises subjecting a monomer material to emulsion polymerization to obtain an aqueous emulsion of an acrylic polymer; and adding a crosslinking agent to the emulsion to obtain an aqueous PSA composition. The emulsion polymerization is carried out so as to obtain an acrylic polymer having a mass ratio of the ethyl acetate-insoluble matter of 3% or greater, but 15% or less and a weight average molecular weight of the THF-soluble matter of 70×104 or greater, but 100×104 or less. The crosslinking agent is added such that the mass ratio of the ethyl acetate-insoluble matter with respect to a post-crosslinking PSA 40% or greater, but 70% or less.
    Type: Application
    Filed: August 3, 2007
    Publication date: February 7, 2008
    Applicant: NITTO DENKO CORPORATION
    Inventors: Akiko TAKAHASHI, Mami IKEYA
  • Patent number: 7323510
    Abstract: The invention relates to methods for manufacturing a water-in-water polymer dispersion containing polymer A and at least one polymer dispersant B, according to which monomers, which are dispersed in an aqueous phase containing water-soluble dispersant B, are subjected to radical polymerization, possibly following the addition of a water-soluble salt, and, after polymerisation, a water-soluble acid is added to the water-soluble and/or water-swellable polymer A obtained in this way, where the acid is added in quantities of 0.1 to 5% by weight and the salt in quantities of up to a maximum of 3% by weight, each referred to the total dispersion, and the total quantity of salt and acid amounts to a maximum of 5% by weight, referred to the total dispersion.
    Type: Grant
    Filed: December 1, 2001
    Date of Patent: January 29, 2008
    Assignee: Ashland Licensing and Intellectual Property LLC
    Inventors: Ulrich Fischer, Otto Schroers, Wolfgang Woebel
  • Patent number: 7317056
    Abstract: There is provided a synthetic resin emulsion comprising polymer particles having a core/shell structure, wherein the shell comprises a copolymer of an unsaturated carboxylic acid and a hydrophilic comonomer, the core comprises a copolymer of a monomer mixture comprising a radically polymerizable main monomer and a radically polymerizable functional monomer, and the monomers constituting the monomer mixture are selected so that the glass transition point (Tg) of the copolymer produced by polymerization is ?20° C. or below, and the synthetic resin emulsion has been produced by adding the monomer mixture for core formation and a pH adjustor to an aqueous copolymer solution, which has not been neutralized, produced by polymerizing the unsaturated carboxylic acid and the hydrophilic comonomer in an aqueous medium, and allowing a polymerization reaction to proceed.
    Type: Grant
    Filed: December 27, 2002
    Date of Patent: January 8, 2008
    Assignee: Celanese International Corporation
    Inventors: Nobuyoshi Yoshimura, Yuji Moriya
  • Patent number: 7304124
    Abstract: A stripping process is provided which continuously strips volatile substances from a dispersion containing a polymer particles through stripping the volatile substances from a dispersion by blowing an inert gas into the dispersion to draw the volatile substances into the inert gas, removing the volatile substances from the gas mixture of the inert gas and the stripped volatile substances and circulating the purified inert gas obtained by removing the volatile substances from the gas mixture, and blowing the purified inert gas into the dispersion. Also provided is a production process for a toner which uses this stripping process.
    Type: Grant
    Filed: November 1, 2002
    Date of Patent: December 4, 2007
    Assignee: Zeon Corporation
    Inventors: Takeo Fujino, Kazuhiro Sato
  • Patent number: 7285590
    Abstract: Aqueous dispersions are disclosed, having a minimum film formation temperature no greater than about 50° C., that include a multi-stage emulsion polymer made by a process that includes a first polymerization stage, in which a first monomer mixture having a calculated glass transition temperature of at least about 50° C. is polymerized via free radical emulsion polymerization to obtain a first-stage emulsion polymer, and a second polymerization stage, in which a second monomer mixture, having a calculated glass transition temperature from about ?30° C. to about 10° C., is polymerized via free radical emulsion polymerization, in the presence of the first-stage emulsion polymer. The dispersions are useful in a variety of coating compositions that exhibit improved block resistance.
    Type: Grant
    Filed: November 13, 2003
    Date of Patent: October 23, 2007
    Assignee: Hexion Specialty Chemicals, Inc.
    Inventors: Pavel Holub, Edward Enns McEntire
  • Patent number: 7247671
    Abstract: Aqueous crosslinkable coating composition suitable for anti-graffiti and heavy duty applications comprising: (A) an aqueous polymer emulsion comprising at least one vinyl fluoropolymer which comprises as a polymerized constituent monomer thereof (i) a fluoromonomer(s) having the formula (1) wherein R1 is CH3 or H, R2 is a per-fluorinated C1-5 alkyl group and n is 1, 2, 3 or 4, (ii) a hydroxyl functional monomer(s) and (iii) a carboxylic acid-functional monomer(s) where the vinyl fluoropolymer has a glass transition temperature Tg within the range of from ?50 to 90° C.
    Type: Grant
    Filed: July 22, 2002
    Date of Patent: July 24, 2007
    Assignee: DSM IP Assets B.V.
    Inventors: Gerardus Cornelis Overbeek, Jurgen Scheerder, Tijs Nabuurs
  • Patent number: 7241829
    Abstract: Polyolefin/clay nanocomposites with an exfoliated structure are prepared by a process which employs a specific chain end functionalized polyolefin that serves as the clay/polyolefin interfacial compatibilizer (or polymeric surfactant). The polyolefin contains a hydrophilic terminal functional group and an unperturbed hydrophobic high molecular weight polymer chain. The reaction may be carried out in a melt or solution process. Also disclosed are materials made by the process. Also disclosed are materials made by the process.
    Type: Grant
    Filed: July 14, 2004
    Date of Patent: July 10, 2007
    Assignee: The Penn State Research Foundation
    Inventors: Tze-Chiang Chung, Evangelos Manias, Zhiming M. Wang
  • Patent number: 7199178
    Abstract: A process for preparing copolymer dispersions that includes subjecting A) one or more vinyl monomer mixtures containing a) OH-free (meth)acrylic esters and/or vinylaromatics, b) hydroxy-functional vinyl monomers and/or hydroxy-functional (meth)acrylic esters, c) ionic and/or potentially ionic monomers capable of free-radical copolymerization, and d)optionally further monomers, other than the compounds of components a)–c), capable of free-radical copolymerization; to free-radical polymerization in the presence of e) compounds according to formula (I) where R1 is an aliphatic, araliphatic or aromatic radical having 1 to 18 carbon atoms, R2 is H or CH3, R3, R4 are identical or different aliphatc radicals having 1 to 7 carbon atoms and n is 1 to 4; and subsequently dispersing the resultant copolymer B) before or after addition of a neutralizing agent C) in water. The resulting dispersions can be used to coat substrates.
    Type: Grant
    Filed: January 24, 2005
    Date of Patent: April 3, 2007
    Inventors: Martin Melchiors, Thomas Münzmay, Thomas Stingl, Hartmut Ottensmann, Heinz-Dietmar Gewiss
  • Patent number: 7105593
    Abstract: An aqueous polymer blend composition containing particles of a first polymer and particles of a second polymer with preferred molecular weight ranges is provided. Coatings prepared from the aqueous polymer blend composition may be employed as coatings which have water whitening resistance and provide resistance to efflorescence to cementitious substrates, such as roof tiles. A method of preparing a coated cementitious substrate with the aqueous polymer blend composition and an article containing the coated cementitious substrate are also provided.
    Type: Grant
    Filed: November 24, 2004
    Date of Patent: September 12, 2006
    Assignee: Rohm and Haas Company
    Inventors: Robert David Solomon, Mary Anne Regina Matthews
  • Patent number: 7052629
    Abstract: A binder for battery comprising composite polymer particles in which two or more polymers having different chemical structures form a heterogeneous phase structure. Preferably, said two or more polymers include two polymers having a glass transition temperature (Tg) different from each other by 5° C. or more. When a slurry prepared by mixing the binder with a liquid material and an active material is used for the production of an electrode for a secondary battery, especially, a lithium secondary battery, the resulting battery exhibits an improved performance because the slurry imparts a well-balanced binding power and a binding durability.
    Type: Grant
    Filed: January 9, 2003
    Date of Patent: May 30, 2006
    Assignee: Zeon Corporation
    Inventors: Koichiro Maeda, Haruhisa Yamamoto