Aqueous Carboxyl-bearing Solid Polymer Or Sicp Composition Chemically Treated With Aziridine, Mono 1,2-epoxide, Or Cyclic Sulfonium Compound Patents (Class 524/802)
-
Patent number: 6180691Abstract: A process for the preparation of an ink which comprises mixing an ink vehicle, a colorant and a latex containing a polymer with epoxy groups, and wherein said latex is generated by the polymerization of a mixture of olefinic monomers, and wherein at least one of said olefinic monomers is an unsaturated epoxide monomer and which polymerization is accomplished in the presence of an anionic surfactant, and a nonionic surfactant.Type: GrantFiled: August 2, 1999Date of Patent: January 30, 2001Assignee: Xerox CorporationInventors: Chieh-Min Cheng, Garland J. Nichols, Min-Hong Fu
-
Patent number: 6172159Abstract: A water-reducible polyester resin for use in producing urethane coatings comprises the reaction product of: a) hexahydrophthalic anhydride, trimellitic anhydride or phthalic anhydride; b) 1,4-cyclohexane dimethanol or trimethylol propane or mixtures thereof; and c) a polyethylene glycol selected from the group consisting of polyethylene glycols, methoxy polyethylene glycols and trifunctional polyethylene glycols having a molecular weight no greater than approximately 1050; the reaction product having a functionality between approximately 2 and 2.6. Another water-reducible polyester resin comprises the same components and a specified nonionic surfactant. Urethane coatings containing such polyester resins and a diisocyanate are also disclosed.Type: GrantFiled: January 18, 2000Date of Patent: January 9, 2001Assignee: Accures CorporationInventors: Robert J. Gaal, Jr., Roger W. Heitland
-
Patent number: 6111054Abstract: The present invention relates to a dispersing agent for pigments or extenders which is obtainable by salt formation from an amine-functional compound by means of an acid,wherein a polyamine which contains at least three amino groups and which is from the group comprising aliphatic linear polyamines and/or aliphatic branched polyamines and/or modified polyamines, with the proviso that after modification three amino groups which can be converted into salts are still present per molecule, or a mixture of polyamines such as these, is used as the amine-functional compound, andwherein a substance from the group comprising phosphoric acid esters of general formula: (HO).sub.3-n PO(OR.sup.1).sub.n where n=1 or 2, sulphonic acids of general formula HOSO.sub.2 R.sup.2 and acidic sulphuric acid esters of general formula HOSO.sub.3 R.sup.2 is used as the acid, wherein R.sup.1 and R.sup.Type: GrantFiled: June 26, 1998Date of Patent: August 29, 2000Assignee: BYK-Chemie GmbHInventors: Karlheinz Haubennestel, Ulrich Orth, Wolfgang Pritschins, Udo Krappe
-
Patent number: 6072000Abstract: The present invention proposes highly practical curable resin compositions for use in water based paints, which contain no, or much less organic solvent when compared with current organic solvent based paints, and which produce painted surfaces which have excellent curability and weather resistant properties, as well as excellent resistance to solvents, chemicals and water. These curable resin compositions include a compound combining both epoxy and hydrolyzable silyl groups, and a water based product obtained by dispersing or dissolving in water, a tertiary amino vinyl polymer, a vinyl polymer containing both tertiary amino and acidic groups, or an acidic vinyl polymer, which has been either partially or completely neutralized by an acidic or basic compound.Type: GrantFiled: June 10, 1996Date of Patent: June 6, 2000Assignee: Dainippon Ink and Chemicals, Inc.Inventors: Nobuo Harui, Masataka Ooka
-
Patent number: 6054526Abstract: Composite latex whose average particle size is between 30 and 150 nm, as these particles result from polymerization of a mixture hydrophobic monomers composed of styrene and (meth)acrylic esters to produce an emulsion in an aqueous solution of a water-soluble or water-dispersible amphiphilic copolymer having a molecular weight of between 500 and 5,000 and whose acid number of less than 500, said latex being composed of a combination of hydrophobic and hydrophilic monomers incorporating carboxylic acid functions in the presence of a radical-producing initiator, wherein said aqueous water-soluble amphiphilic polymer is free of any other surfactant or protective colloid and wherein the mass percentage of amphiphilic copolymer in relation to the dry extract of the latex between 10 and 50%.Type: GrantFiled: January 20, 1998Date of Patent: April 25, 2000Assignee: Elf Atochem S.A.Inventors: Isabelle Betremieux, Bruno Feret, Christophe Verge
-
Patent number: 6008291Abstract: Viscosity-stabilized aqueous polyester dispersions comprising an acid-functional polyester resin a, neutralizing agent b for the polyester resin a, the amount of neutralizing agent being sufficient to convert from 10 to 200% of the amount of substance of acid groups in the polyester resin a into salt groups by means of the amount of neutralizing agents added, the neutralizing agents being selected from ammonia and organic amines and also alkali metal hydroxides and alkaline earth metal hydroxides; if desired, an organic auxiliary solvent, silica in an amount such that the mass of SiO.sub.2 is from 0.1 to 50% of the mass of the polyester resin, and water. The dispersions are useful in coating compositions.Type: GrantFiled: November 13, 1998Date of Patent: December 28, 1999Assignee: Vianova Resins AGInventors: Manfred Weinberger, Johann Billiani
-
Patent number: 5994457Abstract: Described is a method of producing an aqueous polymer dispersion, the method calling for further polymerization of the dispersion using a radical mechanism redox initiator system including as the reducing agent the addition compound obtained between a lower ketone and hydrogen sulphite.Type: GrantFiled: February 28, 1997Date of Patent: November 30, 1999Assignee: BASF AktiengesellschaftInventors: Bernd Stanger, Peter Keller, Jurgen Hartmann, Chung-Ji Tschang
-
Patent number: 5981070Abstract: A manufacturing method of water-absorbent agent powders of the present invention is a method of a reducing an amount of a residue of an epoxy crosslinking agent remaining therein by adding a nucleophilic reagent in a form of powder to surface region crosslinked water-absorbent resin powders having a carboxyl group under an applied heat in which the residue of the crosslinking agent remains. Since the method permits an amount of the residue of the crosslinking agent to be reduced by adding a nucleophilic reagent to the heated water-absorbent resin powders, the water-absorbent agent powders exhibiting well-balanced properties which are mutually negatively correlated from one another, i.e., high absorbency under pressure, a reduced amount of a residue of the epoxy crosslinking agent and a high absorbing rate compared with the conventional surface region crosslinked water-absorbent resin powders can be achieved.Type: GrantFiled: March 3, 1997Date of Patent: November 9, 1999Assignee: Nippon Shokubai Co., LtdInventors: Kunihiko Ishizaki, Kinya Nagasuna, Nobuyuki Harada
-
Patent number: 5908877Abstract: A water dispersible powder composition is provided. The powder composition contains at least one film-forming polymer having at least one functional group and at least one reactive component that reacts to form a non-ionic bond with the polymer functional group following dispersion of the powder composition in water. The reaction between the polymer particles in the admixture and the reactive component renders the resulting coating water-resistant. The powder composition of this invention is useful for producing water-resistant coatings.Type: GrantFiled: May 7, 1997Date of Patent: June 1, 1999Inventors: Xiaohong Ci, David RIchard Amick, Richard Foster Merritt
-
Patent number: 5905114Abstract: The present invention relates to low-odor binders which can be processed without solvent and are based on aqueous styrene-acrylate polymer dispersions, having a mean film-forming temperature of below 10.degree. C.The invention also relates to low-emission coating compositions, especially emulsion paints, which comprise these binders.Type: GrantFiled: May 22, 1997Date of Patent: May 18, 1999Assignee: BASF AktiengesellschaftInventors: Roland Baumstark, Rolf Dersch
-
Patent number: 5886085Abstract: Coating media and their use in processes for producing single-layer and multi-layer coatings are described. The coating media contain an aqueous mixture comprisingI. 99-70% by weight of a mixture ofA) 50-100% by weight of one or more binder vehicles which at least in part contain ionic groups,B) 0-50% by weight of one or more crosslinking agents, which at least in part may contain ionic groups, for binder vehicle A), wherein the ionic groups which are present have the same charge as those of component A), andII.Type: GrantFiled: June 10, 1997Date of Patent: March 23, 1999Assignee: Herberts GmbHInventors: Heike Heuwinkel, Werner Lenhard, Hans-Peter Patzschke, Bettina Vogt-Birnbrich
-
Patent number: 5869568Abstract: A one-part cold crosslinking emulsion composition containing, in an aqueous medium, a double-structure fine grain comprising the following Component (A) 1 and the following Component (B) 2 covering the same, wherein the following Component (C) is contained in Component (B) 2:(A) a copolymer comprising an epoxy group-containing monomer and an ethylenic unsaturated monomer;(B) a copolymer comprising an unsaturated carboxylic acid and an ethylenic unsaturated monomer; and(C) a low molecular weight monofunctional epoxy compound.Type: GrantFiled: November 12, 1997Date of Patent: February 9, 1999Assignee: National Starch and Chemical Investment Holding CorporationInventor: Norihisa Maeda
-
Patent number: 5731095Abstract: A water-soluble or water-dispersible fluorine-containing dendritic polymer surfactant having at least one terminal fluorocarbon moiety and at least one terminal anionic moiety, and which is suitable for use in preparing protective coating compositions is disclosed. The water-soluble or water-dispersible fluorine-containing dendritic polymer surfactants are represented by the general formula: ##STR1## where D represents a dendritic polymer, R.sub.F represents a fluorocarbon containing moiety, A.sup.- represents an anionic containing moiety, C.sup.+ represents a cation, T represents a terminal group of the dendritic polymer which has not been functionalized with a fluorocarbon or anionic moiety, n and m are at least each at least one, and the sum of n+m+q is the total number of terminal groups on the dendritic polymer. Also disclosed is a coating composition capable of forming a highly crosslinked, non-stick, protective coating.Type: GrantFiled: October 23, 1996Date of Patent: March 24, 1998Assignee: Oxazogen, Inc.Inventors: Larry A. Milco, Donald A. Tomalia
-
Patent number: 5703156Abstract: Dispersible powdered binders prepared from aqueous acrylate dispersions stabilized by protective colloids and water soluble or water dispersible resins. The binders are suitable for the production of powdered dry paint and coating composition mixtures which can be converted into useful form simply by stirring into water.Type: GrantFiled: July 5, 1996Date of Patent: December 30, 1997Assignee: Polymer Latex GmbH & Co. KGInventor: Thomas Sauer
-
Patent number: 5668246Abstract: Disclosed is an improvement in a method of making a water-soluble epichlorohydrin resin involving reacting epichlorohydrin with a polyaminoamide. The improvement involves preparing the polyaminoamide in the presence of an acid catalyst (low temperature condensation) followed by reaction with epichlorohydrin.Type: GrantFiled: August 9, 1996Date of Patent: September 16, 1997Assignee: Hercules IncorporatedInventor: William W. Maslanka
-
Patent number: 5644021Abstract: Disclosed is an improvement in a method of making a water-soluble epichlorohydrin resin involving reacting epichlorohydrin with a polyaminoamide. The improvement involves preparing the polyaminoamide in the presence of an acid catalyst (low temperature condensation) followed by reaction with epichlorohydrin.Type: GrantFiled: June 7, 1995Date of Patent: July 1, 1997Assignee: Hercules IncorporatedInventor: William Ivalter Maslanka
-
Patent number: 5415964Abstract: A method of manufacturing pigment containing polymer particles comprises the steps of dissolving a surface active agent in a water at concentration higher than the CMC, dispersing a pigment, diluting the suspension at the concentration not higher than the CMC, and adding a monomer and a polymerization initiator for forming the pigment-containing polymer particles.Type: GrantFiled: February 15, 1994Date of Patent: May 16, 1995Assignee: Konica CorporationInventors: Kenji Hayashi, Mikio Koyama, Yoshiaki Koizumi, Tomoe Kikuchi
-
Patent number: 5294653Abstract: Water-based varnish for glass prepared by mixing, just before use, the following basic components:component A: aqueous dispersion of an acrylic polymer containing hydroxy functional groups,component B: trialkoxysilane containing an epoxy functional group,component C: zirconium and ammonium double carbonate containing ZrO.sub.2 (+HfO.sub.2) (19% to 20% by wt.), in the form of an aqueous solution, components B and C in the mixture amounting to 3 and 2 parts by wt., respectively, per 100 parts by wt. of A.Type: GrantFiled: March 22, 1993Date of Patent: March 15, 1994Assignee: Oece Industrie Chimiche SpAInventor: Mauricio Colucci
-
Patent number: 5230733Abstract: A water-soluble ink-jet dye for use in ink-jet printing is designed to undergo a reaction, initiated by the loss of water and natural neutralization, as the ink dries on paper, causing the dye to (1) change and lose solubility and (2) bind to the paper. The dye comprises a polymeric chain, to which one or more chromophores are attached. Also attached to the chain are a plurality of hydroxyl or amine groups, up to approximately one-half of which are converted to carboxyl groups. The ink containing the dye is maintained at a basic pH. Upon printing on a print substrate, the dye is neutralized, causing lactone (from hydroxyl groups) or lactam (from amine groups) ring formation. The resulting reacted dye is substantially totally waterfast on the print substrate.Type: GrantFiled: November 1, 1991Date of Patent: July 27, 1993Assignee: Hewlett-Packard CompanyInventor: Norman E. Pawlowski
-
Patent number: 5085905Abstract: An elastomeric composition having improved adhesion to metal reinforcement is disclosed, said elastomeric composition comprising an elastomer containing, an adhesion promoting amount of a polysulfide having the formulaR--S.sub.(m) --R'where m is an integer of from about 2 to 6; R and R' are the same or different and are ##STR1## R" is an alkyl group of from about 1 to 4 carbon atoms; and R'" is an alkyl group of from about 1 to 4 carbon atoms or an aryl group.Type: GrantFiled: June 6, 1990Date of Patent: February 4, 1992Assignee: Dayco Products, Inc.Inventor: Harold D. Beck
-
Patent number: 5017642Abstract: An aqueous solution of a cationic thermosetting resin containing a very small amount of organic halogen compounds is prepared by adjusting a reaction temperature in a reaction of polyamidopolyamine with epihalohydrin and a molar ratio of the polyamidopolyamine and epihalohydrin.Type: GrantFiled: December 21, 1989Date of Patent: May 21, 1991Assignee: Sumitomo Chemical Company, LimitedInventors: Toshiyuki Hasegawa, Hisao Takagishi, Hiroshi Horiuchi
-
Patent number: 4921842Abstract: The present invention relates to a process for the continuous production of aqueous polyurethane dispersions, i.e. dispersions or suspensions both of pure polyurethanes and of polyurethane ureas, by mixing a product, which has been obtained by reaction of polyisocyanates with compounds having a molecular weight of 400 to about 10,000 and containing at least two isocyanate-reactive groups, with water, characterized in that the mixing of the polyisocyanate reaction product with water is carried out in a co-current reactor, one of the components to be mixed or a mixture containing one of the two components to be mixed being compressed to an initilal pressure of from about 20 to 500 bar and expanded through a coaxially arranged nozzle into the short residence time mixing tube where it is mixed with the other component or with a mixture containing the other component.Type: GrantFiled: August 9, 1988Date of Patent: May 1, 1990Assignee: Bayer AktiengessellschaftInventors: Wolfgang Henning, Harald Petersen, Gerhard Moormann
-
Patent number: 4882379Abstract: A crystalline polyester film or sheet coated with a primer composition consisting essentially of a carboxylated polyurethane, wherein the carboxyl groups are introduced by esterifying the terminal hydroxyl groups and amidizing any terminal amine groups of the polyurethane with a dicarboxylic acid anhydride. Such primer compositions form continuous wet films and dry coatings and provide surfaces receptive to a variety of surface finishes such as further polymer coatings and inks.Type: GrantFiled: June 14, 1988Date of Patent: November 21, 1989Assignee: E.I. Du Pont De Nemours and CompanyInventor: Richard P. Pankratz
-
Patent number: 4571412Abstract: An aqueous adhesive composition which comprises 0.5 to 30 parts by weight, as solids, of an aqueous cationic polyamide polyamine epichlorohydrin resin solution per 100 parts by weight, as solids, of an aqueous, cationic or nonionic polymer dispersion exhibits not only excellent water resistance despite their room-temperature drying properties, when applied to various kinds of substrates but also exceptionally improved storage stability.The aqueous cationic or nonionic polymer dispersion may be a dispersion of polymerized ethylenically unsaturated monomers.Type: GrantFiled: November 29, 1984Date of Patent: February 18, 1986Assignee: Takeda Chemical Industries, Ltd.Inventors: Hisatsugu Minamida, Akira Kato, Isamu Sawayama, Ken-ichi Tanaka
-
Patent number: 4507425Abstract: Vinylidene halide monomers are polymerized in water to form homo- and copolymer latices that are stable to mechanical agitation during polymerization and thereafter and to heat below 100.degree. C. are obtained when the vinylidene halide monomers are polymerized, optionally with other copolymerizable vinylidene monomers, in water in the presence of a catalyst or initiator and a neutralized polymer additive of an olefinically unsaturated carboxylic acid monomer containing at least one carboxylic acid group and a terminal methylene group, H.sub.2 C< copolymerized with at least one other copolymerizable vinylidene monomer containing a terminal vinylidene group CH.sub.2 <, said polymer additive having an acid number of greater than 50 to about 450 and a molecular weight of about 2,000 to about 50,000, used in amount of about one to thirty weight parts per one hundred weight parts of vinylidene monomers.Type: GrantFiled: January 12, 1984Date of Patent: March 26, 1985Assignee: The B. F. Goodrich CompanyInventor: David E. Weaver
-
Patent number: 4381367Abstract: Paper sizing agents in the form of an aqueous preparation of maleic acid anhydride copolymers of which the anhydride groups had been reacted either with organic or inorganic bases or with primary-tertiary diamines and the reaction products subsequently reacted with epichlorohydrin or with inorganic or organic acids to form salts, the copolymers being made up of polymerised units of(a) from 5 to 75%, by weight, of an aromatic vinyl compound;(b) from 10 to 75%, by weight, of acrylic and/or methacrylic acid C.sub.1 -C.sub.18 alkyl esters;(c) from 5 to 35%, by weight, of maleic acid anhydride;(d) from 0 to 25%, by weight, of other vinyl monomers; and(e) from 0.1 to 10%, by weight, based on the sum of monomers (a) to (d) (which amounts to 100%, by weight), of an unsaturated aldehyde or of an enol ether derived therefrom.The copolymers are produced by radical polymerisation preferably in the absence of solvents.Type: GrantFiled: December 7, 1981Date of Patent: April 26, 1983Assignee: Bayer AktiengesellschaftInventors: Wulf von Bonin, Peter Mummenhoff, Heinz Baumgen