Organic Nitrogen Compound Contains Three Or More Nitrogen Atoms Other Than As Solid Polymer, E.g., Diethylene Triamine, Etc. Patents (Class 523/420)
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Patent number: 4777194Abstract: A heat-curable aqueous coating agent contains, as a binder, a mixture or precondensate of(A) a resin possessing basic nitrogen groups and(B) a phenol resin based on a resol ether which is bonded via 0,0'-methylene ether groups and whose p-positions predominantly carry hydrogen and/or methylolalkyl ether groups.After protonation with an acid, the said coating agent is particularly useful as a binder for the cathodic electrocoating of metal articles.Type: GrantFiled: June 13, 1985Date of Patent: October 11, 1988Assignee: BASF AktiengesellschaftInventors: Fritz E. Kempter, Juergen Nieberle, Eberhard Schupp
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Patent number: 4761337Abstract: Cathodic electrodepositable resin compositions and aqueous electrodeposition coating baths comprising these resins are disclosed. The resin compositions comprise a cationic amine epoxy resin adducts and a cationic polyurethane resin adduct dispersion. The resin compositions when combined with a cross-linking agent and cathodically electrodeposited produce films which cure to durable, flexible, smooth corrosion-resistant, impact and chip-resistant films.Type: GrantFiled: April 2, 1987Date of Patent: August 2, 1988Assignee: BASF CorporationInventors: Matthew Guagliardo, Tapan K. DebRoy, John Pucknat
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Patent number: 4760105Abstract: Disclosed in an emulsion having a discontinuous phase that consists of a water dispersed or water emulsified epoxy resin in water having at least two epoxide groups, a water soluble salt of an imide compound having at least one carboxyl group, and a crosslinking agent; the discontinuous phase has excess epoxide functionality. The continuous phase is water. A method of forming a coating on a conductive substrate is also disclosed. The substrate and an electrode are immersed into the emulsion and a direct current is applied between the substrate and the electrode to electrophoretically deposit a coating on the substrate of the epoxy resin, the imide compound, and the crosslinking agent. The substrate is removed from the emulsion and is heated to a temperature sufficient to cure the coating.Type: GrantFiled: October 9, 1985Date of Patent: July 26, 1988Assignee: Westinghouse Electric Corp.Inventors: Timothy J. Fuller, Joseph R. Marchetti, Zal N. Sanjana
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Patent number: 4686249Abstract: A heat-hardenable binder mixture based on organic resins comprises an organic resin having primary and/or secondary and, if appropriate, also additional tertiary amino groups and a crosslinking agent based on an organic compound which contains at least 2 .beta.-hydroxyalkyl ester groups. The binder mixture can additionally contain pigments, fillers, crosslinking catalysts, corrosion inhibitors and other paint auxiliaries. The binder mixture is used in a process for preparing coatings by applying a coating agent in the form of a film to a substrate and subsequently hardening the film by stoving.Type: GrantFiled: August 27, 1985Date of Patent: August 11, 1987Assignee: BASF Farben + Fasern AGInventors: Horst Diefenbach, Michael Geist
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Patent number: 4631226Abstract: Compositions for textile treatment comprising an admixture of:(a) an aqueous emulsion of a copolymer of a monomeric mixture consisting essentially of an oxirane-containing monoethylenically-unsaturated material and at least one other monoethylenically-unsaturated material selected from the group characterized by the formula ##STR1## wherein R is H or C.sub.1 to C.sub.4 alkyl and R' is a straight chain or branched chain radical of a primary or secondary alkanol, alkoxyalkanol or alkylthiaalkanol having up to 14 carbon atoms, and(b) a water soluble or water dispersible polyamine which is composed of at least 4 alkylenimine units (--CH--CH--N--) which occur in sequences of such alkylenimine units having the formula A ##STR2## wherein R.sub.1 and R.sub.2 are independently selected from hydrogen, and lower alkyl radicals of 1 to 4 carbon atoms, R.sub.Type: GrantFiled: March 19, 1985Date of Patent: December 23, 1986Assignee: Commonwealth Scientific and Industrial Research OrganizationInventor: Thomas Jellinek
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Patent number: 4617331Abstract: There is herein provided an aqueous dispersion of a resinous composition which is water-solubilized with a metal compound such as a metal salt, an example of which is zinc acetate.Type: GrantFiled: July 1, 1985Date of Patent: October 14, 1986Assignee: PPG Industries, Inc.Inventors: William G. Boberski, Richard M. Nugent, Jeffrey G. Koren
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Patent number: 4598108Abstract: The invention provides a water-reducible coating composition comprising an epoxy resin, an amino group-containing curing agent for the epoxy resin and a watersoluble organic compound which occurs in at least 2 tautomeric forms, in one of which a labile hydrogen atom is linked to a carbon atom and which compound contains at least one carbonyloxy group or sulfonyl group.Type: GrantFiled: June 27, 1985Date of Patent: July 1, 1986Assignee: Akzo NVInventor: Cornelis A. M. Hoefs
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Patent number: 4596844Abstract: The present invention relates to a water-dispersible self-hardenable resin composition, and particularly to a self-hardenable resin composition, which has a low-temperature hardenability and is adapted for the cationic electrodeposition painting wherein a material to be painted is used as a cathode.The present invention provides a self-hardenable resin composition consisting essentially of a Michael type addition reaction product consisting of 65-95% by weight (in solid base) of a polyamine resin having amino groups and/or imino groups and 35-5% by weight of an ethylenically unsaturated compound having an amine-imido group.Type: GrantFiled: May 20, 1985Date of Patent: June 24, 1986Assignee: Nippon Oil and Fats CompanyInventors: Akira Ohsawa, Syuichi Manabe
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Patent number: 4588759Abstract: Aqueous coating composition comprising water insoluble resinous powder, aqueous resin, pigment and other optional additives including hardener, characterized by the fact that said water insoluble resinous powder is composed of a polymer obtained by reacting a mixture of epoxy resin and a resin having epoxy reactive functional groups, or a resin having both epoxy groups and epoxy reactive functional groups, with an amine in an amount sufficient to cause ring-opening of 10 to 50% of the total epoxy groups, or composed of carboxyl bearing resin admixed and reacted with high boiling basic compound. These compositions are excellent in storage stability, application characteristics and film performance.Type: GrantFiled: June 18, 1984Date of Patent: May 13, 1986Assignee: Nippon Paint Co., Ltd.Inventors: Toshiharu Nakaya, Akimitsu Uenaka, Takanobu Ueda
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Patent number: 4588617Abstract: Spherical particles of cured epoxy resin having an average size not larger than 50 .mu.m can be produced by adding a water-soluble amine curing agent to an emulsion of uncured epoxy resin.It is possible to prepare spherical particles incorporating a UV absorber or inorganic particles, to dye these particles with an acid dye, and to subject them to electroless plating.In addition, after-treatment of the cured particles enhances their heat resistance and destroys the epoxide groups left unreacted inside each particle.These particles may be used as an ingredient of cosmetic and coating compositions, as a toner of electrostatic copiers, and for other applications.Type: GrantFiled: September 17, 1984Date of Patent: May 13, 1986Assignee: Toray Industries, Inc.Inventor: Koichiro Oka
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Patent number: 4576980Abstract: Novel coating compositions are disclosed which comprise aqueous dispersions of polyamine resins in the form of their acid salts along with azetidinedione crosslinking agents and other optional adjuvants.The compositions give rise to improved methods for the electrodeposition of heat-curable films on substrates.The compositions and methods find particular utility in the cathodic deposition of coatings and films on automotive parts and household appliances.Type: GrantFiled: October 15, 1984Date of Patent: March 18, 1986Assignee: The Dow Chemical CompanyInventors: Shenghong A. Dai, Philip W. Sherwood
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Patent number: 4568710Abstract: The invention relates to cathodically electrodepositable coating compositions comprising an aqueous dispersion of self-crosslinkable resin. The self-crosslinkable resin is amine and epoxide functional and prepared by reacting epoxide resin with fatty amidopolyamine at about room temperature so as to form a partially crosslinked resin, wherein at least about 50 percent of the amine groups have been neutralized with a water soluble acid. The partially crosslinked resin can be deposited from the bath onto a metal substrate and cured at elevated temperatures to form a coating offering excellent corrosion protection and having excellent adhesion to the substrate.Type: GrantFiled: October 31, 1983Date of Patent: February 4, 1986Assignee: Ford Motor CompanyInventors: Robert A. Swider, Martha E. Horsch
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Patent number: 4555412Abstract: A process is provided for applying a coating to a substrate by bringing the substrate into contact with a liquid aqueous coating composition comprising a solid powdered epoxy group-containing compound having a number average molecular weight of at least 1,000, an epoxy equivalent weight of 450-7,500 and an average particle size of 0.5-35 .mu.m, dispersed in an aqueous medium containing an ionized polyamino compound having primary or secondary groups, the ratio of the number of reactive groups of the polyamino compound to the number of epoxy groups of the epoxy compound being at least 0.4. The coating composition is applied to the substrate at a temperature of 5.degree.-65.degree. C. and the resulting coating layer is cured at a temperature of 70.degree.-220.degree. C. This invention also relates to the liquid aqueous coating composition to be used in said process.Type: GrantFiled: March 15, 1982Date of Patent: November 26, 1985Assignee: Akzo nvInventors: Gerhard Gunter, Hartmut Haeufler
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Patent number: 4543376Abstract: Heat-curable surface-coating agents useful in organically dissolved baking finishes, for powder coating and for cathodic electrocoating contain, as a binder, a mixture of a polyadduct, polycondensate or other polymer which has an average molecular weight M.sub.n of from 500 to 10,000 and, per molecule, on average two or more OH and/or NH groups, and a reaction product of a polyamine which contains on average two or more primary amino groups per molecule and a cyclic carbonic acid ester of the formula (I) ##STR1## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 each are hydrogen, methyl or ethyl.Type: GrantFiled: October 31, 1983Date of Patent: September 24, 1985Assignee: BASF AktiengesellschaftInventors: Eberhard Schupp, Werner Loch, Rolf Osterloh, Klaas Ahlers
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Patent number: 4542173Abstract: The present invention relates to surface coating binders which are self-crosslinking when heated and are based on resin-like polyadducts, polycondensates or polymers. These binders have a mean molecular weight M.sub.n of from 500 to 10,000 and contain, on average per molecule, at least two groups of the general formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are identical or different and are each hydrogen or a methyl or ethyl radical, and additionally contain hydroxyl and/or primary and/or secondary amino groups and may or may not contain tertiary amino groups.They can be prepared by reacting appropriate resins containing primary amino groups with cyclic carbonates, and can be used, in solution in an organic solvent, as baking finishes, as well as for the preparation of cathodic electrocoating finishes.Type: GrantFiled: October 31, 1983Date of Patent: September 17, 1985Assignee: BASF AktiengesellschaftInventors: Eberhard Schupp, Werner Loch, Rolf Osterloh, Klaas Ahlers
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Patent number: 4533682Abstract: Adducts of imidazolidine compounds, such as the reaction product of ethylene diamine with cyclohexanone, are provided with organic polyepoxides, especially with low molecular weight polyepoxides where the imidazolidine acts as a chain extender, and the adduct is reacted with an acid to protonate at least 50% of the amine groups in the adduct. These protonated adducts can be dispersed in water to form dispersion which cure with various curing agents. Aqueous electrocoating baths can be provided which electrodeposit at the cathode.Type: GrantFiled: April 29, 1983Date of Patent: August 6, 1985Assignee: DeSoto, Inc.Inventors: Anthony J. Tortorello, Nestor P. Hansen, Kathryn M. Jarocki
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Patent number: 4520143Abstract: Compositions for textile treatment comprising an admixture of:(a) an aqueous emulsion of a copolymer of a monomeric mixture consisting essentially of an oxirane-containing monoethylenically-unsaturated material and at least one other monoethylenically-unsaturated material selected from the group characterized by the formula ##STR1## wherein R is H or C.sub.1 to C.sub.4 alkyl and R' is a straight chain or branched chain radical of a primary or secondary alkanol, alkoxyalkanol or alkylthiaalkanol having up to 14 carbon atoms, and(b) a water soluble or water dispersible polyamine which is composed of at least 4 alkylenimine units (--CH--CH--N--) which occur in sequences of such alkylenimine units having the formula A ##STR2## wherein R.sub.1 and R.sub.2 are independently selected from hydrogen, and lower alkyl radicals of 1 to 4 carbon atoms, R.sub.Type: GrantFiled: May 13, 1983Date of Patent: May 28, 1985Assignee: Commonwealth Scientific and Industrial Research OrganizationInventor: Thomas Jellinek
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Patent number: 4515911Abstract: The invention relates to cathodically electrodepositable coating compositions comprising an aqueous dispersion of self-crosslinkable resin. The self-crosslinkable resin is amine and epoxide functional and prepared by reacting epoxide resin with polyamine at about room temperature, wherein at least 50 percent of the amine groups have been neutralized with water soluble acid. The polyamine contains at least one primary amine group and at least one tertiary amine group. The partially crosslinked resin product can be deposited on a metal substrate and cured at elevated temperatures to form a coating offering excellent corrosion protection and having excellent adhesion to the substrate.Type: GrantFiled: October 31, 1983Date of Patent: May 7, 1985Assignee: Ford Motor CompanyInventors: Robert A. Swider, Martha E. Horsch
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Patent number: 4514467Abstract: A method for obtaining a positive bond between articles painted or coated with thermosets and concrete, involves treatment of the surface with an epoxy resin-cement mortar mixture containing an epoxy resin emulsion of the composition(a) a liquid epoxy resin;(b) water;(c) an emulsifier comprising a primary, aliphatic alcohol, an adduct thereof with ethylene oxide or, optionally, a polyglycol ester of a carboxylic acid; and(d) a latent curing agent comprising a reaction product of the essentially complete neutralization of a diamine of the formulaeH.sub.2 N--CH.sub.2 --R--NH.sub.2orH.sub.2 N--R--CH.sub.2 --R--NH.sub.2with oxyalic acid,wherein R is alkyl substituted alkylene or cycloalkylene; or the reaction product obtained by complete neutralization with oxalic acid of (i) a polyamine of the formulaH.sub.2 N--CH.sub.2 --CH.sub.2 --NH--.sub.x Hwherein x=2, 3, or 4, or of (ii) a reaction product, containing amino groups, of such a polyamine with a fatty acid.Type: GrantFiled: June 16, 1983Date of Patent: April 30, 1985Assignee: Chemische Werke Huels, AGInventors: Heinz Riemer, Joern-Volker Weiss, Friedhelm Mutzberg
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Patent number: 4489179Abstract: A room temperature-curing emulsion coating composition is disclosed in which a solution of normally solid polyepoxide polymer having a 1,2-epoxy equivalency of at least 1.4 and a molecular weight up to about 2000 in inert volatile organic solvent is emulsified into water having dissolved therein a monosecondary amine containing at least one primary amine group which is ketimine blocked by reaction with a ketone which is hindered to prevent reaction with a secondary amino hydrogen atom, this hindered ketone being selected from the group consisting of noncyclic ketones containing one group selected from methyl or ethyl and a second group containing at least four carbon atoms, and cyclic ketones which are substituted in the alpha position. The monosecondary amine is dispersed in the water of the emulsion by at least 50% neutralization of amine functionality with a volatile solubilizing acid either as such or after reaction into a polymer by means of its secondary amino hydrogen atom.Type: GrantFiled: January 23, 1984Date of Patent: December 18, 1984Assignee: DeSoto, Inc.Inventor: Anthony J. Tortorello
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Patent number: 4460718Abstract: An epoxy resin composition comprising an epoxide compound, a guanidine compound, a filler, a thixotropic agent and an organic solvent and having a thixotropy index of 5 to 40 and a viscosity of 800 to 10,000 poises (at 20.degree. C.) is suitable for forming a resist film which is used in electroless metal plating with excellent heat resistance, solder resistance and corrosion resistance, and the like.Type: GrantFiled: February 24, 1983Date of Patent: July 17, 1984Assignee: Hitachi, Ltd.Inventors: Isamu Tanaka, Hitoshi Oka, Akira Tomizawa, Hiroshi Kikuchi
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Patent number: 4454265Abstract: Aqueous thermosetting coating compositions adapted for roll coat application are disclosed in which water has dispersed therein an adduct of a diglycidyl ether of a bisphenol having a 1,2-epoxy equivalency of at least 1.2 and an average molecular weight of from about 2000 to about 5000 with a stoichiometric proportion, based on epoxy and secondary amine, of diprimary amine having a single secondary amine group and each primary amine group blocked by a ketimine group. At least about 50% of the amine groups of this adduct are protonated with a volatile acid, and the ketimine groups hydrolyze in the water to provide primary amine functionality and ketone solvent in the aqueous medium. From 20% to 50%, based on total resin solids, of water insoluble, heat-hardening phenol-formaldehyde resin curing agent is employed for cure. The curing agents are added to the adduct in solution in water-miscible organic solvent, and cresol-formaldehyde curing agents are preferred.Type: GrantFiled: March 21, 1983Date of Patent: June 12, 1984Assignee: DeSoto, Inc.Inventors: Anthony J. Tortorello, Donald R. Roberts
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Patent number: 4446257Abstract: Aqueous powder suspensions for thermoset coatings are prepared by intimately blending a mixture of(a) an epoxy resin/amine adduct having terminal amino groups,(b) a curing agent (phenolic resin, aminoplast resin, non-acidic polyester+transesterification catalyst), and, optionally,(c) a solid epoxy resin, said blend having a softening point of at least 70.degree. C., and milling down in water to a particle size of less than 20 micrometers.Type: GrantFiled: May 27, 1982Date of Patent: May 1, 1984Assignee: Shell Oil CompanyInventors: Petrus G. Kooijmans, Wolfgang Kunze
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Patent number: 4440882Abstract: An epoxy resin-polyammonium salt emulsion is based on a liquid epoxy resin, a latent curing agent, an emulsifier, and water, wherein(a) the emulsifier is a primary aliphatic alcohol of 12-14 carbon atoms, an adduct thereof with up to 5 ethylene oxide groups, or a carboxylic acid polyglycol ester, and(b) the latent curing agent is the reaction product obtained by complete neutralization of oxalic acid with a polyamine of the formulaH.sub.2 N--CH.sub.2 --CH.sub.2 --NH--hd xHwherein X=2, 3, or 4or with a reaction product, containing amino groups, of a reaction of this polyamine with fatty acids.Type: GrantFiled: June 16, 1983Date of Patent: April 3, 1984Assignee: Chemische Werke Huels, AGInventors: Joern-Volker Weiss, Heinz Riemer
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Patent number: 4431756Abstract: Thixotropic epoxide resin compositions, suitable for use as laminating resins, paints and lacquers, impregnating and casting resins, potting, insulating, and caulking compounds, sealants, and adhesives, are prepared by adding to an epoxide resin(a) a base having a basic strength, pK.sub.b, of 9 or less,(b) an organo-orthosilicate of formula(RO).sub.4 Siwhere R represents an alkyl group, optionally substituted by one or more halogen atoms or alkoxy groups, an aryl or aralkyl group which may be substituted by one or more halogen atoms, alkyl groups, or alkoxy groups, or a heterocyclylalkyl group, and(c) water.Such compositions may further contain(d) a curing agent for epoxide resins, which agent may be the same as, or different from, the base (a).Type: GrantFiled: September 30, 1982Date of Patent: February 14, 1984Assignee: Ciba-Geigy CorporationInventor: Christopher M. Andrews
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Patent number: 4427805Abstract: The present invention is directed to thermosetting binder compositions for coating, comprising:(I)(1) a non-acidic resinous compound, saturated, molecular weight at least 900, alcoholic hydroxyl content at least 0.2 eq/100 g;(2) a cross-linking agent comprising a nonacidic polyester of a polycarboxylic acid, having more than one beta-hydroxyl ester group per molecule, at least one of components (1) and (2) having an alcoholic hydroxyl functionality of more than 2, and(II) a curing catalyst comprising a transesterification-promoting metal compound which is insoluble in liquid hydrocarbons.These compositions can be used in solvent-based lacquers and paints, in coating powders, aqueous powder suspensions, in aqueous coating compositions for cathodic electrodeposition; for aqueous compositions component (1) (1) is preferably an epoxy resin/amine adduct.Type: GrantFiled: September 7, 1982Date of Patent: January 24, 1984Assignee: Shell Oil CompanyInventors: Petrus G. Kooijmans, Werner T. Raudenbusch, Adrianus M. C. Van Steenis, Wolfgang Kunze, Josepha M. E. Seelen-Kruijssen
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Patent number: 4427804Abstract: A monosecondary amine containing blocked primary amine groups is provided by reacting a monosecondary amine containing at least one primary amine group (such as diethylene triamine) with a ketone which is hindered to prevent reaction with secondary amino hydrogen atom (such as methyl isobutyl ketone) while removing water. This product disperses in water with the aid of a solubilizing acid to provide a solution which will emulsify a liquid polymer dispersed therein. The water hydrolyzes the blocked primary amine groups to restore reactivity. This product can also be reacted with 1,2-oxirane or isocyanate-functional polymers to provide products which are dispersible in water with a solubilizing acid. These dispersions will electrodeposit at the cathode.Type: GrantFiled: March 1, 1982Date of Patent: January 24, 1984Assignee: DeSoto, Inc.Inventors: Anthony J. Tortorello, Mary A. Kinsella
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Patent number: 4423168Abstract: Coating compositions comprising a polymeric polyol with a polyester crosslinking agent having at least two beta-amido ester groups per molecule are disclosed. The compositions, when applied to a substrate and cured in the presence of a transesterification catalyst, give solvent-resistant coatings.Type: GrantFiled: July 29, 1981Date of Patent: December 27, 1983Assignee: PPG Industries, Inc.Inventor: Joseph T. Valko
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Patent number: 4423169Abstract: Coating compositions comprising a polymeric polyol with a polyester crosslinking agent having at least two beta- and/or gamma-ester ester groups per molecule are disclosed. The compositions, when applied to a substrate and cured in the presence of a transesterification catalyst, give solvent-resistant coatings.Type: GrantFiled: July 29, 1981Date of Patent: December 27, 1983Assignee: PPG Industries, Inc.Inventor: Joseph T. Valko
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Patent number: 4423167Abstract: Coating compositions comprising a polymeric polyol with a polyester crosslinking agent having at least two beta-alkoxyester groups per molecule are disclosed. The compositions, when applied to a substrate and cured in the presence of a transesterification catalyst, give solvent-resistant coatings.Type: GrantFiled: July 29, 1981Date of Patent: December 27, 1983Assignee: PPG Industries, Inc.Inventor: Joseph T. Valko
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Patent number: 4423166Abstract: Ungelled resins, aqueous dispersions of cationic resins, coating compositions, and electrodeposition using the resinous coating compositions are disclosed. The resins are formed from reacting polyepoxides with polyoxyalkylenepolyamines. The aqueous dispersions are prepared by at least partially neutralizing the resins to provide cationic groups and dispersing the cationic resins in aqueous medium. When added to cationic electrodepositable coating compositions, such as high throwpower compositions, the ungelled cationic resins provide better appearing, more flexible and water-resistant electrodeposited coatings.Type: GrantFiled: September 20, 1982Date of Patent: December 27, 1983Assignee: PPG Industries, Inc.Inventors: Thomas C. Moriarity, William J. Geiger
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Patent number: 4420574Abstract: Ungelled resins, aqueous dispersions of cationic resins, coating compositions, and electrodeposition using the resinous coating compositions are disclosed. The resins are formed from reacting polyepoxides with polyoxyalkylenepolyamines. The aqueous dispersions are prepared by at least partially neutralizing the resins to provide cationic groups and dispersing the cationic resins in aqueous medium. When added to cationic electrode-positable coating compositions, such as high throwpower compositions, the ungelled cationic resins provide better appearing, more flexible and water-resistant electrodeposited coatings.Type: GrantFiled: September 20, 1982Date of Patent: December 13, 1983Assignee: PPG Industries, Inc.Inventors: Thomas C. Moriarity, William J. Geiger
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Patent number: 4419467Abstract: An improved process for the preparation of cationic resins derived from polyepoxides is disclosed. Typically, the process comprises contacting the polyepoxide with particular polyether polyols and heating the two together to form a resin which may then be reacted with a cationic base group former such as an amine and acid. Aqueous dispersions of the cationic resins prepared by the improved process are useful for coating applications, particularly cationic electrodeposition. They exhibit good low temperature cure response and the cured coatings have good physical properties such as resistance to water, detergent and salt spray corrosion.Type: GrantFiled: September 14, 1981Date of Patent: December 6, 1983Assignee: PPG Industries, Inc.Inventors: Marco Wismer, Joseph F. Bosso
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Patent number: 4370464Abstract: Novel cationic polymer flocculants are prepared by polycondensation of an epihalohydrin and mixed Mannich reaction products of a monohydric phenol and bisphenol with formaldehyde and dialkylamine. The flocculants are stable in aqueous solutions and show an excellent effect in purification of industrial effluents.Type: GrantFiled: October 28, 1981Date of Patent: January 25, 1983Assignees: Kyoritsu Yuki Co., Ltd., Mitsubishi Chemical Industries, Ltd.Inventors: Katsutoshi Tanaka, Hisao Takeda, Mutsumi Kawano, Isao Miyahara
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Patent number: 4362626Abstract: An adsorbent, which is prepared by subjecting to curing a mixture consisting of (a) one part by weight of at least one member selected from the group consisting of titanium oxide hydrate, zirconium oxide hydrate and tin oxide hydrate and of (b) about 1/10 to 3 parts by weight of an epoxy, unsaturated polyester or polyurethane resin.The adsorbent can be used as an adsorbent for a great variety of anions and cations and especially as the adsorbent for phosphate ion.The adsorbent displays also improved chemical resistance, resistant to acids and alkalis, and can be subjected to repeated desorption and regeneration procedures without causing any deterioration of its adsorptive capacity, thus permitting the repeated usage over a long period of time.Type: GrantFiled: August 12, 1980Date of Patent: December 7, 1982Assignee: Takeda Chemical Industries, Ltd.Inventors: Tatsuro Takeuchi, Masaki Sokukawa, Ryuzo Kimoto
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Patent number: 4356278Abstract: Heat-hardenable synthetic resins which are water soluble upon partial or total neutralization comprising the reaction products of epoxy groups containing unsaturated diene polymers and amine compounds, graft polymerized with alpha, beta-ethylenically unsaturated monomers which are free from epoxy reactive groups, the homopolymers of the monomers having a glass transition temperature of over 320.degree. K. A process of preparing the heat-hardenable resins is also described. The synthetic resins can be employed as binders for cathodically depositable aqueous coating compositions to provide coatings which will cure at relatively low temperatures and relatively short curing times to provide smooth and hard films having good resistance to water, chemicals, and corrosion; and which adhere well to the coated surface.Type: GrantFiled: October 23, 1978Date of Patent: October 26, 1982Assignee: Vianova Kunstharz, A.G.Inventors: Wolfgang Daimer, Heiner Verdino
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Patent number: 4343915Abstract: A polyspirolactone polymer particularly suitable for protective surface coatings comprises a spirolactone structure in the polymer structure adapted to be cross-linked with a primary or secondary amine compound to produce a thermoset protective coating.Type: GrantFiled: August 12, 1981Date of Patent: August 10, 1982Assignee: SCM CorporationInventor: Kirk J. Abbey
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Patent number: 4341669Abstract: A polyester textile product having durable antistatic and soil release properties, said product being impregnated with the reaction product of; a cellulose ether or ester, a polyamine and a polyepoxide.Type: GrantFiled: October 2, 1978Date of Patent: July 27, 1982Assignee: Milliken Research CorporationInventors: Francis W. Marco, Clarence O. Stokes, Jr.
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Patent number: 4339368Abstract: The present invention concerns a coating composition comprising a dispersion, solution or suspension of a coating composition containing a nitrogen containing organic material which when heat cured contains at least 75% less amine value than present in the material prior to curing.The present invention also concerns a method of electrodepositing a film forming substance onto a substrate by employing an anode, a cathode and an electrolyte therebetween comprising the steps:a. providing an aqueous electrolyte containing said composition described above;b. closing the circuit between the anode and the cathode; andc. depositing the film forming composition on the cathodic substrate.Type: GrantFiled: February 14, 1980Date of Patent: July 13, 1982Assignee: Wyandotte Paint Products CompanyInventors: Ivan H. Tsou, Marc L. Smith