With N Monomer Patents (Class 524/820)
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Patent number: 12244017Abstract: A negative electrode for a lithium secondary battery having excellent dispersibility, adhesion and tensile strength, and a lithium secondary battery including the same. The negative electrode for a lithium secondary battery includes negative electrode active material particles, a conductive material and a binder. The binder includes a copolymer comprising acrylamide monomer-derived repeating units, acrylic acid monomer-derived repeating units, sodium acrylate monomer-derived repeating units and acrylonitrile monomer-derived repeating units. The combined weight of the acrylic acid monomer-derived repeating units and sodium acrylate monomer-derived repeating units in the copolymer is 25 wt % to 35 wt %. The negative electrode active material particles are silicon-based negative electrode active material particles.Type: GrantFiled: September 3, 2020Date of Patent: March 4, 2025Assignee: LG ENERGY SOLUTION, LTD.Inventors: Chan-Soo Jun, Young-Jae Kim, Ye-Lin Kim, Jung-Woo Yoo
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Patent number: 10888831Abstract: A method of preparing a discrete polymer network array include mixing a plurality of nucleic acid polymer networks with a plurality of color-activated polymer networks to form a dispersion, applying the dispersion to an array of wells, the nucleic acid polymer networks selectively depositing into wells of the array of wells, and rinsing the array of wells to selectively remove the plurality of color-activated polymer networks.Type: GrantFiled: November 30, 2018Date of Patent: January 12, 2021Assignee: LIFE TECHNOLOGIES CORPORATIONInventors: Alexander Mastroianni, Scott C. Benson, Steven M. Menchen, John Scott
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Patent number: 8252425Abstract: An improved aqueous acrylic emulsion pressure sensitive adhesive composition of diminished foaming and being formulated from an aqueous acrylic emulsion including at least one carboxyl monomer having a residual carboxyl group, which residual carboxyl group is neutralized with a hydroxyl-functional amine, such as a trialkanolamine.Type: GrantFiled: December 12, 2007Date of Patent: August 28, 2012Assignee: Ashland Licensing and Intellectual Property LLCInventors: Kang I. Lee, Keith D. King
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Publication number: 20110152451Abstract: 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 C10alkylolacrylamide monomer, wherein the molar ratio of acrylamide:N—C2 to C10alkylolacrylamide 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: ApplicationFiled: February 28, 2011Publication date: June 23, 2011Inventor: Joel E. Goldstein
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Patent number: 7713674Abstract: An emulsion polymerization process comprising polymerizing monomer in an emulsion in a reaction vessel at a first temperature to form a resin; cooling the reaction vessel to a second temperature that is above the softening point of the resin yet below the temperature required for significant depolymerization reaction to occur; and adding water to the cooled reaction vessel in an amount sufficient to effect phase inversion with mixing for a sufficient time to form an aqueous latex emulsion in the absence of a surfactant.Type: GrantFiled: September 9, 2005Date of Patent: May 11, 2010Assignee: Xerox CorporationInventors: Allan Kwok-Wai Chen, Milan Maric, Tie Hwee Ng, George Liebermann, Enno Eric Agur, Hadi Khan Mahabadi
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Patent number: 7615582Abstract: A hydrophobic acidic group-containing polymeric monomer (a); a water-soluble polymeric monomer (b); water (c); a photopolymerization initiator (d); an aromatic tertiary amine (e) having an electron-withdrawing group; a cross-linkable polymeric monomer (f); and a basic compound (g) for producing a water-soluble salt through a reaction with a part of the hydrophobic acidic group-containing polymeric monomer (a) are included as essential compounding ingredients. A one-part dental adhesive composition that exhibits high adhesive strength and high storage stability in adhesion between a teeth, and more particularly enamel or dentine, and a dental repairing material, and more particularly a resin material, is provided.Type: GrantFiled: December 8, 2004Date of Patent: November 10, 2009Assignee: Kuraray Medical Inc.Inventors: Kazumitsu Nakatsuka, Naoki Nishigaki
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Patent number: 7582699Abstract: The present invention is directed to a fibrous substrate made of chemically bonded fibers, where the fibers are bound with a polymeric binder in an amount which is sufficient to bind the fibers together to form a self-sustaining web, and where the binder is characterized as having a wet tensile strength of greater than 4500 grams per inch (g/in) when measured at a 20 percent add-on on Whatman #4 CHR chromatography paper which is drum dried for 90 seconds at 210 to 215° F. and cured for 2 minutes at 300 to 325° F. Preferably the level of free formaldehyde in the fibrous substrate is less than 15 ppm. The emulsion binders of the invention may be used to bind fibers together in a substrate; may be used to bind pigment, colors or other substances to a substrate; may be used as a backing material; or may be used to finish or surface-treat a substrate.Type: GrantFiled: January 31, 2006Date of Patent: September 1, 2009Assignee: Celanese International CorporationInventors: James L. Walker, Pavneet Mumick, John C. Parsons, David R. Nass, Christopher Barcomb
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Patent number: 7449223Abstract: A polymerizable liquid crystal composition includes a liquid crystal compound having a polymerizable group, wherein the composition includes from 0.1 to 6.0% by weight of a (meth)acrylic copolymer (H), which 1) has a side chain containing a fluorine group, and a side chain containing a group represented by a general formula (h): 2) has a fluorine group content of 3 to 30% by weight, 3) has a ratio of side chains containing the group represented by the general formula (h) relative to the combined total of all side chains that falls within a range from 9 to 95 mol %, and 4) has a weight average molecular weight within a range from 10,000 to 300,000.Type: GrantFiled: May 26, 2005Date of Patent: November 11, 2008Assignee: Dainippon Ink and Chemicals, Inc.Inventors: Jyoji Kawamura, Yoshiyuki Ono, Yasuyuki Suzuki, Hitoshi Hayakawa, Isa Nishiyama, Yasuyuki Watanabe, Yasuhiro Kuwana
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Patent number: 7300979Abstract: Light-stable and weather-stable coating films contain a powder coating composition, containing from 30 to 98.5% by mass of a binder containing at least one urethane (meth)acrylate having a melting point of from 40 to 130° C.; from 1 to 20% by mass of at least one micronized wax; and from 0.5 to 50% by mass of at least one auxiliary and/or at least one additive, the composition being cross-linked by actinic radiation.Type: GrantFiled: September 15, 2004Date of Patent: November 27, 2007Assignee: Degussa A.G.Inventors: Andreas Wenning, Emmanouil Spyrou
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Patent number: 7262247Abstract: The present invention provides a binder resin solution composition, and a coating, ink, and adhesive containing the composition as an active ingredient, the binder resin solution composition having a solid content of 10 to 50 wt. % and comprising (a) a chlorinated polyolefin prepared by chlorinating to a chlorine content of 10 to 40 wt. % an ethylene-propylene-butene ternary random copolymer having an ethylene content of 3.0 to 3.7 mol %, 1-butene content of 2.4 to 2.8 mol %, and melting point of 129 to 133° C., and (b) an organic solvent.Type: GrantFiled: June 26, 2002Date of Patent: August 28, 2007Assignees: Toyo Kasei Kogyo Company Limited, Mitsui Chemicals, Inc.Inventors: Kenji Kashihara, Tetsuji Nishioka, Tatsuo Tsuneka, Shoji Maekawa, Isao Wada
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Patent number: 7173085Abstract: This invention relates to aqueous emulsions comprising a water-dispersible copolymer which is non-dispersible in aqueous solutions containing 0.5% or more of an inorganic salt, comprising acidic ethylenically unsaturated monomers and ethylenically unsaturated monomers. The acidic ethylenically unsaturated monomers and the ethylenically unsaturated monomers are defined herein. The present invention also pertains to emulsion polymerization methods for making the aqueous emulsions with or without a surfactant.Type: GrantFiled: January 21, 2004Date of Patent: February 6, 2007Assignee: Celanese International CorporationInventor: Michael W. Eknoian
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Patent number: 6844385Abstract: A latex for dip forming which comprises a copolymer prepared by polymerizing 10 to 90% by weight of a conjugated diene monomer, 0.1 to 20% by weight of an ethylenically unsaturated acid monomer and 10 to 89.9% by weight of other ethylenically unsaturated monomer or monomers copolymerizable therewith, wherein the sum of the amount of acid groups bonded to or adsorbed on the surface of the copolymer constituting the latex and the amount of acid groups present in the aqueous phase of the copolymer latex is in the range of 0.1 to 2 meq. in terms of hydrochloric acid, per gram of the copolymer. This latex is dip-formed to give a dip-formed article having no fear of development of a protein allergy, and exhibiting a soft feeling and a high mechanical strength.Type: GrantFiled: June 26, 2000Date of Patent: January 18, 2005Assignee: Zeon CorporationInventors: Katuo Hagiwara, Hisanori Ota
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Publication number: 20040198904Abstract: The invention concerns a branched or crosslinked linear polymer obtainable by polymerising N-alkyl acrylamide, wherein the alkyl radical is linear or branched and comprises 1 to 6 carbon atoms, with one or several monomers selected among the cationic monomers or monomers comprising at least a strong acid function partly salified or completely salified. The invention also concerns a method for preparing same and microlatex or positive latex containing same and their use as heat-thickening agent.Type: ApplicationFiled: May 17, 2004Publication date: October 7, 2004Inventors: Olivier Braun, Paul Mallo
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Patent number: 6683129Abstract: This invention relates to aqueous emulsions comprising a water-dispersible copolymer which is non-dispersible in aqueous solutions containing 0.5% or more of an inorganic salt, comprising acidic ethylenically unsaturated monomers and ethylenically unsaturated monomers. The acidic ethylenically unsaturated monomers and the ethylenically unsaturated monomers are defined herein. The present invention also pertains to emulsion polymerization methods for making the aqueous emulsions with or without a surfactant.Type: GrantFiled: March 31, 2000Date of Patent: January 27, 2004Assignee: National Starch and Chemical Investment Holding CorporationInventor: Michael W. Eknoian
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Patent number: 6656983Abstract: The invention provides mixed aromatic vinyl-1,3-diene polymers stabilized by a protective colloid and present in the form of aqueous polymer dispersions or polymer powders redispersible in water as adhesives for porous substrates. The polymer dispersions and the polymer powders are obtained by emulsion polymerization of a mixture containing: a) 20 to 80 percent by weight of one or more vinylaromatics; b) 19.9 to 79.9 percent by weight of one or more 1,3-dienes; c) 0.1 to 15 percent by weight of one or more comonomers from the group consisting of N-methylolacrylamide, N-methylolmethacrylamide and the N-(alkoxymethyl)-acrylamides and N-(alkoxymethyl)-methacrylamides with a C1 to C6-alkyl radical. The sum of the above percentages adds up to 100% by weight. Emulsion polymerization is carried out in the presence of one or more protective colloids and without emulsifiers, optionally followed by drying of the resulting aqueous polymer dispersion.Type: GrantFiled: August 1, 2001Date of Patent: December 2, 2003Assignee: Wacker-Chemie GmbHInventors: Theo Mayer, Thomas Kohler, Reinhard Harzschel, Hans-Peter Weitzel, Bernd Schilling
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Patent number: 6639049Abstract: The invention relates to a process for the preparation of polymers stabilized with protective colloids in the form of water-redispersible powders or aqueous dispersions thereof having a reduced content of volatile components, by a) polymerizing by emulsion or suspension polymerization, one or more monomers from the group consisting of vinyl esters, (meth)acrylates, vinyl aromatics, olefins, 1,3-dienes and vinyl halides and optionally further monomers copolymerizable therewith, b) aftertreating the polymer dispersion thus obtained by means of postpolymerization, distillation, and/or introduction of steam or inert gas to obtain a residual content of volatile, nonaqueous components of <2000 ppm, and c) spray drying of aftertreated polymer dispersion to a residual content of volatile, nonaqueous components of <400 ppm, the dispersion being adjusted prior to spray drying to a solids content of <45% by weight before spraying, the spray drying performed with gas at an inlet temperature of >120° C.Type: GrantFiled: November 9, 2001Date of Patent: October 28, 2003Assignee: Wacker Polymer Systems & Co. KGInventor: Hans-Peter Weitzel
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Publication number: 20030100674Abstract: Self-crosslinking aqueous polymer dispersions which are suitable for consolidating nonwovens, which may be subsequently bituminized.Type: ApplicationFiled: January 2, 2003Publication date: May 29, 2003Applicant: POLYMERLATEX GmbH & Co. KGInventors: Gunther Mueller, Helmut Daum, Willibald Scheda
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Patent number: 6482890Abstract: An object is to remarkably improve the water resistance and weather resistance of the cured coating film in the aqueous curable resin composition. An aqueous dispersion is used as a main agent which contains, as essential components, gel-like resin dispersed particles having a functional group selected from a salt of a tertiary amino group or a salt of an acid group and an aqueous medium, and a compound having both an epoxy group and a hydrolyzable silyl group is used as a curing agent.Type: GrantFiled: June 28, 2001Date of Patent: November 19, 2002Assignee: Dainippon Ink and Chemical, Inc.Inventors: Teruki Kiyohara, Shin'ichi Kuwamura
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Patent number: 6461728Abstract: Pressure sensitive adhesives can be formed using gamma irradiation. One embodiment is a pressure sensitive adhesive which is a polymeric reaction product formed by gamma ray irradiation of an emulsion composition. The emulsion composition includes water; (meth)acrylate monomer material; polar, free-radically polymerizable material that is copolymerizable with the (meth)acrylate monomer material; and at least one emulsifier.Type: GrantFiled: December 29, 2000Date of Patent: October 8, 2002Assignee: 3M Innovative Properties CompanyInventors: Douglas E. Weiss, Thu-Van T. Tran, Karen J. Leisinger
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Publication number: 20020077414Abstract: The invention discloses an improved process for the production of cross-linked rubber particles. The cross-linking agents are added to the aqueous rubber dispersions and converted at relatively high temperatures without inertization of the reaction mix and without pressurizing of an inert gas.Type: ApplicationFiled: July 17, 2001Publication date: June 20, 2002Inventor: Werner Obrecht
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Patent number: 6372675Abstract: A nonwoven fabric of chemically bonded non-cellulose fibers having improved wet tensile properties. The fabric includes a random arrangement of non-cellulose fibers and an essentially formaldehyde free latex binder. The latex binder contains at least about 6.7 wt. % vinyl cyanide monomer to bond the non-cellulose fibers and form a nonwoven fabric having at least a 10% improvement in wet tensile strength over a comparable nonwoven fabric having a latex binder essentially free of formaldehyde and free of vinyl cyanide monomer in the monomeric mixture.Type: GrantFiled: October 4, 1999Date of Patent: April 16, 2002Assignee: Omnova Solutins Inc.Inventor: David F. Diehl
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Patent number: 6339117Abstract: The present invention relates to polymers whitened with optical brighteners obtained by (a) emulsion polymerization of acrylonitrile with or without a comonomer in the presence or absence of a graftable substrate, and (b) addition of an optical brightener before, during, or after the emulsion polymerization.Type: GrantFiled: February 28, 2000Date of Patent: January 15, 2002Assignee: Bayer AktiengesellschaftInventors: Udo Eckstein, Siegfried Korte, Ulrich Feldhues, Hans-Peter Geiger, Bernhard Hunke, Thomas Roick, Günter Sackmann
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Patent number: 6262163Abstract: The invention relates to a process for preparing protective-colloid-stabilized vinyl ester or vinyl ester-ethylene polymers in the form of their aqueous dispersions by emulsion polymerization in the presence of one or more protective colloids, which comprises carrying out the polymerization in the presence of a hydrophobic but silane-free protective colloid based on (meth)acrylate polymers with from 80 to 95% by weight, based on the total weight of the copolymer, of acrylic or methacrylic esters of aliphatic alcohols having from 1 to 12 carbon atoms, and from 5 to 20% by weight, based on the total weight of the copolymer, of ethylenically unsaturated mono- or dicarboxylic acids, and with a glass transition temperature Tg of the copolymer of from 60 to 120° C., and with a Fikentscher K value of the copolymer of from 20 to 50.Type: GrantFiled: March 29, 1999Date of Patent: July 17, 2001Assignee: Wacker Chemie GmbHInventors: Hans-Peter Weitzel, Udo Kotschi, Manfred Hannebaum
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Publication number: 20010007891Abstract: Self-crosslinking aqueous polymer dispersions which are suitable for consolidating nonwovens, which may be subsequently bituminized.Type: ApplicationFiled: January 4, 2001Publication date: July 12, 2001Applicant: Polymerlatex GmbH & Co. KG.Inventors: Gunther Mueller, Helmut Daum, Willibald Scheda
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Patent number: 6248815Abstract: The present invention relates to a water based laminating adhesive composition and a method of using thereof. More particularly, the invention relates to a water-based laminating adhesive comprising: a first component comprising at least one aqueous vinyl polymer dispersion (A) comprising the reaction product of i) at least one ethylenically unsaturated monomer; ii) at least one free radical initiator; and iii) optionally, at least one ethylenically unsaturated oligomer; and b) a second component comprising at least one water dispersible polyfunctional aziridine crosslinking agent (B). The adhesive optionally comprises at least one aqueous polyurethane polymer dispersion (C). Improved bonded properties of dry laminated flexible film substrates such as polyolefin, polyester and polyamide, as well as cellophane, metals or paper are obtained.Type: GrantFiled: June 4, 1998Date of Patent: June 19, 2001Assignee: H. B. Fuller Licensing & Financing, Inc.Inventors: George A. Papsin, Thomas E. Rolando, Peter A. Voss
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Patent number: 6111009Abstract: Flexographic or other printed paper is deinked by a process which comprises pulping in the presence of an emulsion of crosslinked, insoluble, ionisable and swellable polymer particles. The emulsion preferably provides a viscosity (at 3%) in the ionised state of below 50,000 cps (Brookfiled RVT) and is novel.Type: GrantFiled: September 18, 1997Date of Patent: August 29, 2000Assignee: Ciba Specialty Chemicals Water Treatments LimitedInventors: John Oliver Stockwell, Timothy Guy Bingham, Howard Roger Dungworth
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Patent number: 6093299Abstract: This invention relates to a stove-enamel coating medium based on at least one binder vehicle selected from amino(meth)acrylate resins and/or epoxide-amine addition products comprising cationic groups and/or groups which can be converted into cationic groups. The binder vehicle additionally comprises cyclic carbonate groups and/or at least one crosslinking agent which comprises cyclic carbonate groups is present, and the binder vehicle also contains secondary amino groups and/or hydroxyl groups.Type: GrantFiled: February 10, 1998Date of Patent: July 25, 2000Assignee: Herberts Gesellschaft Mit Beschrankter HaftungInventors: Joachim Blum, Klausjorg Klein, Hans-Peter Patzschke, Bettina Vogt-Birnbrich
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Patent number: 5998543Abstract: This invention provides the composition, preparation, and end-use of waterborne crosslinking technology based compositions prepared from water-based latexes. The invention provides a water-based latex comprising dispersed, waterborne amino-functional polymer particles; dispsered, waterborne acetoacetoxy-functional polymer particles; and water. In a preferred embodiment, a latex of the invention comprises dipsered, waterborne polymeric (polyamino)enamine (PPAE) particles; dispersed, waterborne acetoacetoxy-functional polymer particles; and water. The PPAE is the reaction product of a surfactant-stabilized acetoacetoxy-functional polymer (SAAP) and a poly(alkylenimine). The water-based latexes of the invetion provide stable emulsions containing a blend of waterborne polymer particles which undergo crosslinking upon film formation. The latex films or coatings may be cured at ambient temperatures or may be thermally cured.Type: GrantFiled: May 21, 1997Date of Patent: December 7, 1999Assignee: Eastman Chemical CompanyInventors: Martha Jean Collins, James Wayne Taylor
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Patent number: 5936020Abstract: A vinyl acetate-ethylene copolymer emulsion having a solids content of at least about 65 percent by weight comprises about 5 to 40 percent by weight ethylene; about 60 to 95 percent by weight vinyl acetate; greater than about 3.0 percent by weight of a polyvinyl alcohol having a degree of polymerization of from about 100 to 500; about 1 to about 4 percent by weight of an ethyoxylated aliphatic surfactant having an HLB of from about 16.5 to 18.0; and about 0.2 to about 1.0 weight percent of a dispersant.Type: GrantFiled: August 22, 1997Date of Patent: August 10, 1999Assignee: Reichhold Chemicals, Inc.Inventor: Yakov S. Freidzon
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Patent number: 5912294Abstract: Aqueous polymer emulsions are obtained by polymerizing a mixture of hydrophobic and hydrophilic ethylenically unsaturated monomers by the free radical aqueous emulsion polymerization method and using, as the dispersing medium, a mixture of water and an organic solvent which is not completely soluble in water, the amount of solvent accounting for more than 20% by weight of the total amount of monomers to be polymerized.Type: GrantFiled: April 2, 1996Date of Patent: June 15, 1999Assignee: BASF AktiengesellschaftInventor: Christian Schade
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Patent number: 5912293Abstract: The invention provides an aqueous polymer dispersion in which the copolymer is formed from70 to 90% by weight alkyl methacrylate provided by 0 to 30% by weight C.sub.1-3 alkyl methacrylate and 50 to 90% by weight C.sub.4-12 alkyl methacrylate;5 to 20% by weight styrene or alkyl styrene;2 to 10% by weight water soluble ethylenically unsaturated monomer;0.5 to 4% polyethylenically unsaturated monomer; and0 to 4% carbonyl containing ethylenically unsaturated monomer. The dispersion of the invention is particularly suitable for incorporation into compositions for coating on wood.Type: GrantFiled: October 28, 1997Date of Patent: June 15, 1999Assignee: Allied Colloids LimitedInventors: John Robert Stockwell, John Mark Plonka
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Patent number: 5756574Abstract: A process for the preparation of an aqueous polymer emulsion, in which an aqueous emulsion of a polymer which contains at least one chemically bonded monomer having at least one ethylenically unsaturated group is produced in a manner known per se so that the total content of free monomers having at least one ethylenically unsaturated double bond, ie. monomers of this type which are not chemically bonded, in the aqueous polymer emulsion is from >0 to .ltoreq.1% by weight, based on the polymer content of the aqueous polymer emulsion, and this residual monomer content is then reduced by the action of a free radical redox initiator system comprising at least one oxidizing agent and at least one reducing agent, wherein the redox initiator system comprises, as the reducing agent, one which is present, in aqueous solution, in at least two tautomeric forms in equilibrium with one another (for example aminoiminomethanesulfinic acid and/or the salts thereof).Type: GrantFiled: April 3, 1997Date of Patent: May 26, 1998Assignee: BASF AktiengesellschaftInventors: Roland Baumstark, Robert Rupaner
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Patent number: 5696185Abstract: Aqueous dispersions of polymers which have a high glass transition temperature and a low average molecular weight and contain a specific amount of methacrylic acid as polymerized units are suitable, in liquid or dried form, as additives for improving the flow behavior of cement-containing mineral building materials having binding properties.Type: GrantFiled: July 17, 1996Date of Patent: December 9, 1997Assignee: BASF AktiengesellschaftInventors: Wilhelm Friedrich Beckerle, Rolf Petri, Bernhard Dotzauer, Manfred Schwartz, Maximilian Angel
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Patent number: 5532300Abstract: A specific class of water-borne, water redispersible laminating adhesives is disclosed which is desirable for bonding nonwoven substrates to themselves or to other substrates. The adhesives provide improved bond strength and improved water redispersibility when compared to laminating adhesives currently used for the same purpose. Furthermore, the novel adhesives are much less sensitive to the presence of significant levels of plasticizer than are laminating adhesives currently used, which exhibit reduced water redispersibility when such plasticizers are present in significant amounts. The novel laminating adhesives contain an aqueous styrene/acrylic polymer dispersion prepared by radical-initiated emulsion polymerization of unsaturated monomers in the presence of starch degradation products having a weight average molecular weight range of from about 2500 to 25000 and which are obtainable by hydrolysis in the aqueous phase.Type: GrantFiled: August 12, 1994Date of Patent: July 2, 1996Assignee: National Starch and Chemical Investment Holding CorporationInventors: Timothy C. Koubek, Paul P. Puletti, Joseph Wieczorek, Jr.
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Patent number: 5494963Abstract: A low formaldehyde high gel fraction latex binder is made utilizing a compound having the formula ##STR1## wherein R and R', independently, is an alkyl having from 1 to 10 carbon atoms, and R.sup.4 is hydrogen, or wherein R.sup.3 and R.sup.4, independently is an alkyl, an aromatic, or combinations thereof having from 1 to 10 carbon atoms, or wherein said R.sup.3 and R.sup.4 are connected to form an internal amide, and wherein the isopropenyl group is either in the ortho, meta or para position. The latex binder is generally an emulsion or latex copolymer made from various monomers including at least one or more conjugated dienes having a total of from 4 to 10 carbon atoms with butadiene being preferred and from one or more vinyl-substituted aromatics having from 8 to 14 carbon atoms, with styrene being preferred. The amount of the above formulation compounds is generally from about 0.Type: GrantFiled: January 4, 1995Date of Patent: February 27, 1996Assignee: GenCorp Inc.Inventor: Peter C. Hayes
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Patent number: 5492965Abstract: This invention relates to a polymer composition of a block copolymer dispersed in water wherein the block copolymer is composed of: a) at least one first block of polymerized units of at least one first ethylenically unsaturated monomer and at least one latent thiol mercaptan chain transfer agent wherein the latent thiol mercaptan chain transfer agent has the general formula; ##STR1## wherein A is a polyvalent organic radical; x and y are positive integers such that x+y equals the valence of A; B is an organic acyl radical; and n and m are integers from 1 to 6; and b) at least one second block of polymerized units of at feast one second ethylenically unsaturated monomer, wherein said at least one second block is attached to said at least one first block by reacting with terminal thiol functional groups contained on said at least one first block.Type: GrantFiled: June 6, 1995Date of Patent: February 20, 1996Assignee: Rohm and Haas CompanyInventors: William D. Emmons, Andrew W. Gross
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Patent number: 5432229Abstract: An aqueous crosslinking resin composition comprising (I) an aqueous resin dispersion obtained by emulsion polymerization of a monomer mixture consisting of (a) 2 to 50% by weight of an unsaturated carboxylic acid monomer, (b) 0.Type: GrantFiled: April 18, 1994Date of Patent: July 11, 1995Assignee: Mitsubishi Yuka Badische Co., Ltd.Inventors: Masahiro Aoki, Takeo Tsukamoto, Ryutaro Hayashi, Yoshinori Kato, Takeshi Awata
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Patent number: 5358998Abstract: Aqueous polymer dispersions containing polymers obtainable by free-radical polymerization of unsaturated monomers, and sugared starch, and the use thereof.Type: GrantFiled: October 7, 1992Date of Patent: October 25, 1994Assignee: BASF AktiengesellschaftInventors: Kurt Wendel, Thomas Schwerzel, Guenter Hirsch
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Patent number: 5326853Abstract: A low formaldehyde, high gel fraction latex binder is made utilizing a compound having the formula ##STR1## wherein R and R', independently, is an alkyl having from 1 to 10 carbon atoms, and R.sup.4 is hydrogen, or wherein R.sup.3 and R.sup.4, independently is an alkyl, an aromatic, or combinations thereof having from 1 to 10 carbon atoms, or wherein said R.sup.3 and R.sup.4 are connected to form an internal amide, and wherein the isopropenyl group is either in the ortho, meta or para position. The latex binder is generally an emulsion or latex copolymer made from various monomers including at least one or more conjugated dienes having a total of from 4 to 10 carbon atoms with butadiene being preferred and from one or more vinyl-substituted aromatics having from 8 to 14 carbon atoms, with styrene being preferred. The amount of the above formulation compounds is generally from about 0.Type: GrantFiled: September 16, 1993Date of Patent: July 5, 1994Assignee: GenCorp Inc.Inventor: Peter C. Hayes
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Water soluble acrylic polymerizable materials, polymers made from them, and processes of making them
Patent number: 5214096Abstract: Water soluble polymerizable acrylic prepolymers can be formed from ethylenically unsaturated monomers that include monomers that provide a pendant group that is a blocked, saturated, ethylenic group, followed by unblocking the pendant saturated ethylenic group to leave a pendant ethylenically unsaturated group. These prepolymers can be copolymerized through these unsaturated groups, for instance after impregnation into a permeable substrate as in chemical grouting or shut off processes, to form cross linked solid polymers. The polymerizable monomers that are ethylenically unsaturated but which also include the blocked ethylenic group are also novel.Type: GrantFiled: December 2, 1991Date of Patent: May 25, 1993Assignee: Allied Colloids LimitedInventors: John G. Langley, Kishor K. Mistry, Kenneth C. Symes -
Patent number: 5185396Abstract: A polymeric emulsion comprising a (i) polymer, (ii) water, and (iii) a surfactant is useful as a binder for a water-based varnish that is resistant to water, 50% ethanol, and alkali. The polymer comprises about 20 to about 40 weight percent of a soft non-functional monomer whose homopolymer has a T.sub.g of less than about -20.degree. C., about 60 to about 80 weight percent of a hard non-functional monomer whose homopolymer has a T.sub.g of greater than about 30.degree. C., about 1 to about 5 weight percent of an olefinic carboxylic acid, and about 2 to about 10 weight percent of a cross-linking monomer. The hard monomer component of the polymer comprises a monomer selected from the group consisting of alkenyl aromatic monomers, non-functional methacrylic monomers, and mixtures thereof. Typically, the polymer comprises less than about 1 weight percent surfactant and has a calculated T.sub.g of about 25.degree. to about 60.degree. C., an actual T.sub.g of about 30.degree. to about 70.degree. C.Type: GrantFiled: August 30, 1990Date of Patent: February 9, 1993Assignee: Rohm and Haas CompanyInventor: John Biale
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Patent number: 5185397Abstract: A polymeric emulsion comprising a (i) polymer, (ii) water, and (iii) a surfactant is useful as a binder for a water-based varnish that is resistant to water, 50% ethanol, and alkali. The polymer comprises about 20 to about 40 weight percent of a soft monomer whose homopolymer has a T.sub.g of less than about -20.degree. C. and about 60 to about 80 weight percent of a mixture of hard monomers each of whose homopolymer has a T.sub.g of greater than about 30.degree. C. As part of the hard monomer comonent of the polymer, the polymer comprises about 5 to about 25 weight percent acrylonitrile and about 1 to about 5 weight percent of an olefinic carboxylic acid. Typically, the polymer comprises less than about 1 weight percent surfactant and has a calculated T.sub.g of about 25.degree. to about 60.degree. C., an actual T.sub.g of about 30.degree. to about 70.degree. C., and an average particle size of less than about 250 nm.Type: GrantFiled: August 21, 1989Date of Patent: February 9, 1993Assignee: Rohm and Haas CompanyInventor: John Biale
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Patent number: 5130367Abstract: Acrylate copolymers comprising (a) repeating units derived from at least one acrylic or methacrylic ester and, by weight of the total copolymer, (b) about 0.1 to 3% of repeating units derived from at least one water-soluble monomer possessing conjugated unsaturation and (c) about 0.1 to 3% of repeating units derived from at least one water-soluble allyl monomer; aqueous polyacrylate dispersions comprising such polymers; and a process of preparing the same. Optionally, the copolymers contain other free-radical polymerizable monomers.Type: GrantFiled: October 26, 1990Date of Patent: July 14, 1992Assignee: Hercules IncorporatedInventors: Daniel H. Craig, Harry J. Goldy
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Patent number: 5109063Abstract: A process for making an aqueous vinyl acetate/ethylene/N-methylolacrylamide copolymer emulsion comprising:(a) adding an initial charge containing all the vinyl acetate monomer to be polymerized and an effective amount of an emulsifying system consisting essentially of an anionic surfactant, especially a salt of an alkylphenoxy poly(ethyleneoxy) sulfate containing about 3-5 ethyleneoxy units,(b) pressurizing the reactor with sufficient ethylene to yield a copolymer having the desired Tg,(c) initiating polymerization at a temperature from 45.degree. to 85.degree. C., and(d) continuing polymerization at a temperature from 45.degree. to 85.degree. C., while continuously adding N-methylolacrylamide over a period of time such that the free vinyl acetate monomer content of the reaction medium is about 2-4% upon completion of the N-methylolacrylamide addition.Type: GrantFiled: December 10, 1990Date of Patent: April 28, 1992Assignee: Air Products and Chemicals, IncInventors: Tze-Chiang Cheng, Phillip A. Mango
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Patent number: 5093449Abstract: A styrene-butadiene composition containing about 0.1 to 10 weight % of a monoester of maleic acid or fumaric acid provides improved bonding strength. In addition, small amounts of a functional monomer can also be included.Type: GrantFiled: October 24, 1989Date of Patent: March 3, 1992Assignee: Reichhold Chemicals, Inc.Inventors: Rebecca L. Durney Cronin, W. Scott Rutherford, James F. Campbell
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Patent number: 5082895Abstract: This invention relates to high solids, large particle size latexes useful as, and in, corrosion resistant coating compositions.Type: GrantFiled: June 18, 1990Date of Patent: January 21, 1992Inventors: Doris Wolff, Clois E. Powell
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Patent number: 5017646Abstract: (A) 1 to 50% by weight of at least one end carboxyl bearing reactive vinyl monomer of the formula: ##STR1## in which R.sub.1 is hydrogen or methyl group; R.sub.2 is a substituted or unsubstituted aliphatic hydrocarbon having 2 to 10 carbon atoms, alicyclic hydrocarbon having 6 to 7 carbon atoms or aromatic hydrocarbon having 6 carbon atoms; A is a repeating unit of ##STR2## R.sub.3 is ethylene or propylene; R.sub.4 is a substituted or unsubstituted alkylene having 2 to 7 carbon atoms; R.sub.5 is a substituted or unsubstituted alkylene having 2 to 5 carbon atoms; m is an integer of 1 to 10; n is an integer of 2 to 50; X is an inorganic or organic base, and when .alpha., .beta.-ethylenically unsaturated compound(s) (B) hereinunder referred to includes a basic relative monomer, it may be hydrogen atom, and(B) 99 to 50% by weight of at least one other .alpha., .beta.-ethylenically unsaturated compounds, in an aqueous medium through an emulsion polymerization and removing the said medium therefrom.Type: GrantFiled: January 7, 1987Date of Patent: May 21, 1991Inventors: Hisaichi Muramoto, Keizuo Ishii, Tadafumi Miyazono
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Patent number: 4997879Abstract: Novel pressure-sensitive aqueous adhesive dispersions comprising 40 to 65% by weight, based on the dispersion weight, of a copolymer produced by radical emulsion polymerization of ethylene, vinyl esters of saturated carboxylic acids of 2 to 12 carbon atoms, ethylenically unsaturated carboxylic acids, ethylenically unsaturated hydroxyalkyl functional compounds, optionally present (meth)acrylic acid esters with alkyl of 4 to 12 carbon atoms and optionally present mono- or poly-ethylenically unsaturated compounds having a second order transition temperature of -20.degree. to -60.degree. C. and a K value of 50 to 180, characterized in that the copolymer was obtained by polymerization of(a) 10-45% by weight of ethylene(b) 0-25% by weight of acrylic ester(s)(c) 40-89% by weight of vinyl ester(s)(d) 0.5-4% by weight of ethylenically unsaturated carboxylic acids(e) 0.5-10% by weight of ethylenically unsaturated hydroxyalkyl-functional compounds(f) 0-0.Type: GrantFiled: April 12, 1988Date of Patent: March 5, 1991Assignee: Wacker-Chemie GmbHInventors: Rudolf Weissgerber, Klaus Marquardt, Peter Ball, Manfred Selig, Fritz Stallbauer
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Patent number: 4950711Abstract: An improved blister resistant paper coating polymer latex comprising an aliphatic conjugated diene monomer, a monoolefinic monomer and an ethylenically unsaturated carboxylic acid monomer and including a molecular weight modifier such as an organosulfur compound and a soluble salt of a nonpolymerizable organic acid.Type: GrantFiled: July 19, 1989Date of Patent: August 21, 1990Assignee: Reichhold Chemicals, Inc.Inventors: David W. Suwala, Igor B. Aksman
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Patent number: 4937282Abstract: Aqueous dispersions of copolymers of(a) from 70 to 85% by weight of nontertiary butyl (meth)acrylates,(b) from 8 to 27.2% by weight of (meth)acrylates (A) whose homopolymers have a glass transition temperature greater than that of the polybutyl (meth)acrylate up to 0.degree. C. and (meth)acrylates (B) whose homopolymers have a glass transition temperature below that of the polybutyl (meth)acrylate, the weight ratio of the (meth)acrylates (A) to the (meth)acrylates (B) being from 3:1 to 1:3,(c) from 2 to 15% by weight of methyl methacrylate, styrene and/or acrylonitrile and(d) 0.8 to 5% by weight of monoolefinically unsaturated mono- and/or dicarboxylic acids of 3 to 5 carbon atoms and/or their amides which are unsubstituted or substituted at the nitrogen atoms by alkyl and/or alkylol radicals of 1 to 4 carbon atoms and/or hydroxyalkyl (meth)acrylates where the alkyl groups are of 2 to 5 carbon atoms,are used for coating sheet-like substrates.Type: GrantFiled: June 1, 1989Date of Patent: June 26, 1990Assignee: BASF AktiengesellschaftInventors: Peter Pfoehler, Hermann Seyffer, Juergen Vietmeter, Johannes Tuerk, Wolfgang Druschke, Klaus Schagerer