Abstract: A process for the production of coatings based on reaction products of (A) polyhydroxy polyacrylate resins obtained from hydroxyalkyl esters of acrylic acid and/or methacrylic acid, alkyl acrylates and/or methacrylates, one or more polymerizable, olefinically unsaturated N-containing heterocyclic compounds and if appropriate vinyl-aromatics, acrylamides or methacrylamides and other monomers with (B) isocyanurate-containing polyisocyanates having a functionality of from 2.5 to 6 and predominantly containing cycloaliphatically bonded isocyanate groups is particularly useful for coating metal articles.

Abstract: An adhesive composition comprises (A) an acrylic copolymer having NCO-reactive groups, (B) a blocked polyisocyanate and (C) a cycloamidine or acid addition salt thereof, as catalyst. The composition can be applied by hot-melt coating. Cured products from the composition are useful as pressure-sensitive adhesives.

Abstract: The present invention is directed to thermoplastic molding compositions which comprise a blend containing a thermoplastic polyester, a polycarbonate resin and an impact modifier and an amount of a blocked polyisocyanate prepolymer sufficient to improve the impact resistance and gasoline resistance of said blend.

Abstract: The invention relates to a synthetic resin based on an acrylate copolymer containing epoxide groups and having a number average molecular weight of 1,000 to 30,000. The acrylate copolymer comprises (a) 20 to 90% by weight of an alkyl acrylate having 1 to 18 carbon atoms in the alkyl radical and/or a methacrylate having 1 to 20 carbon atoms in the alkyl radical, (b) 5 to 40% by weight of a hydroxyalkyl acrylate and/or methacrylate and (c) 5 to 40% by weight of glycidyl acrylate and/or methacrylate and/or one other olefinically unsaturated, polymerizable compound carrying an epoxide group, the total amount of components a, b and c being 100%. The hydroxyl groups of the acrylate copolymer have been reacted before or after the copolymerization was carried out at least partially with a partially blocked diisocyanate and/or polyisocyanate.

Abstract: A water-dilutable binder for coatings based on reaction products of diene polymers and poly-unsaturated polyfunctional amidoamines, which comprises (a) a cyclorubber, (b) a polyfunctional amidoamine which has been added to component (a) and is derived from reaction with a monomeric unsaturated fatty acid free from conjugated double bonds but having 12 to 18 carbon atoms or from its oligomers, and (c) a polyisocyanate which is bonded to component (b) and whose isocyanate groups which are not bonded to component (b) are blocked, a process for its preparation and its use for paints and coatings.

Abstract: There is herein provided a curable composition comprising an active hydrogen-containing material and a curing agent having a urethane-containing moiety of the structure: ##STR1## wherein R is hydrogen, an alkyl, alkenyl or aryl group, wherein X is hydrogen, an alkyl, alkenyl or aryl group, or wherein X is a moiety of the structure: ##STR2## of which R.sub.1 and R.sub.2 are, each independently, hydrogen, an alkyl, alkenyl or aryl group, or members of a cyclic or heterocyclic group. The curing agent may be present as a separate component or an integral component with the active hydrogen-containing material.

Abstract: This invention relates to a water dispersible coating composition which comprises:(i) an acrylic polymer having active hydrogen functionality and quaternary ammonium salt functionality; and(ii) a blocked polyisocyanate.The water dispersible coating composition of this invention can be applied by any means known within the coatings art, but is especially suited for use in cathodic electrodeposition.

Abstract: This invention relates to a water dispersible coating composition which comprises:(i) an acrylic polymer having active hydrogen functionality and quaternary ammonium salt functionality; and(ii) a blocked polyisocyanate.The water dispersible coating composition of this invention can be applied by any means known within the coatings art, but is especially suited for use in cathodic electrodeposition.

Abstract: The invention relates to a process for the production of coatings using a coating composition containing as binder optionally blocked lacquer-grade polyisocyanates in combination with polyhydroxy polyacrylate resins based on copolymers of certain hydroxy alkyl(meth)acrylates, methyl methacrylate, 2-ethylhexyl acrylate and, optionally, (meth)acrylic acid, wherein the molecular weight is in the range from about 30,000 to 80,000, the content of low molecular weight constituents having molecular weights of at most about 3000 amounts to between 3 and 15% by weight, the molecular heterogeneity factor amounts to between about 1.0 and 10.0, and the parameter for the chemical heterogeneity of the copolymer is between 0 and about 0.06.

Abstract: A thermally reactive water-soluble urethane prepolymer having a plurality of masked isocyanate groups capable of regenerating free isocyanate groups at an elevated temperature, said urethane prepolymer having the formula: ##STR1## wherein A is an organic bridging group having a valency from 3 to 5,X is the residue of an active hydrogen compound having 2 to 4 active hydrogen atoms with removal of said active hydrogen atoms,Y is a masking group for isocyanate group,Z is the residue of a compound having at least one active hydrogen atom and at least one ionizable group with removal of said active hydrogen atom,a is an integer from 2 to 4, andb and c are such that the sum of b+c equals 2 to 4 and the products of ab and ac are at least 2 and at least 1, respectively.

Abstract: Coating compositions comprising hydroxy functional film formers, crosslinking agent therefor and a novel flow control additive. Flow control additive comprises stable crosslinked dispersion formed by addition polymerization of selected monomers in the presence of (i) organic liquid which is a solvent for the monomers, but a non-solvent for the polymer and (ii) polymeric dispersion stabilizer having solvated and non-solvated segments, wherein the dispersion is stabilized further by inclusion therein of a butylated melamine formaldehyde resin.

Abstract: Novel phosphoramidates of the general formula: ##STR1## wherein R, R' and R" represent certain specified substituent groups, are useful as stabilizing agents for organic materials, such as natural and synthetic rubbers and lubricating oils. The combined use of these compounds with certain sulfur-containing compounds shows a surprising synergistic effect.

Abstract: A polyurethane based composition for powder coating uses, which comprises a combination of an organic polyisocyanate compound and a hydroxyl-containing compound, the hydroxyl-containing compound being(A) A hydroxyl-containing polymer, or its carboxyl-modified product, obtained by hydrolyzing a copolymer of a vinyl ester of a saturated monocarboxylic acid and other polymerizable vinyl monomers, and(B) A polyester polyol of softening point of not lower than 40.degree. C. containing not less than 30 weight % of cyclohexylene or cyclohexenylene group or spiro rings.The composition provides coating film exhibiting exceedingly improved hardness, heat resistance, toughness and transparency as compared with the conventional polyolefin based powder coatings.

Abstract: A polyurethane crosslinker is provided by reacting a partially-blocked diisocyanate and a hydroxyl-terminated, carboxyl group-containing polyurethane precursor. The precursor is a reaction product of a diol containing a carboxyl group and another diol of high molecular weight, and a diisocyanate. The instant crosslinkers are particularly useful in water-based coating compositions for metal containers.

Abstract: A portion of the tin compounds conventionally employed to cure polymer compositions containing hydroxyl and isocyanate groups can be replaced by salts or chelated coordination complexes of divalent copper, zinc, nickel, iron, cobalt or vanadium without any substantial decrease in cure rate or solvent resistance of the cured coating.

Abstract: A heat-curable coating composition comprising as a binder(A) an oil-free polyester in which at least 30 mole % of the acid component consists of a saturated alicyclic polybasic acid, said polyester having a composition on or within the four sides of a tetragon defined by four points of (0.8, 60), (0.8, 100), (1.00, 70) and (1.00, 100), on coordinates in which the abscissa represents the molar ratio of the polybasic acids to the polyhydric alcohols (dibasic acid ratio) and the ordinate represents the proportion in mole % of a glycol having at least 3 carbon atoms in the polyhydric alcohols,(B) an alkyd resin having an oil length of 15 to 50% and a hydroxyl value of 40 to 200,(C) a hydroxyl-containing acrylic resin having a hydroxyl value of 20 to 200 and a number average molecular weight of 1,000 to 30,000, and(D) a crosslinking agent.

Abstract: A nitrogen-containing acrylic copolymer composition comprising:(i) a linear copolymer comprising about 2 to about 90% by weight of recurring units of Formula (A), ##STR1## wherein R.sub.1 and R.sub.2, which may be the same or different, each represents a hydrogen atom, a C.sub.1-20 alkyl group, a C.sub.3-10 cycloalkyl group, a C.sub.3-8 alkenyl group, a C.sub.1-15 aminoalkyl group, a C.sub.6-20 aryl group or a C.sub.7-12 arylalkyl group,based on the total weight of the linear copolymer, about 10 to about 98% by weight of recurring units of formula (B), ##STR2## wherein R.sub.3 represents a hydrogen atom, a methyl group, a C.sub.1-6 alkoxy group, a halogen atom or a --CH.sub.2 COOR.sub.6 group wherein R.sub.6 represents a hydrogen atom, a C.sub.1-10 alkyl group or a C.sub.7-12 arylalkyl group,R.sub.4 represents a hydrogen atom, a C.sub.1-20 alkyl group, a C.sub.3-10 cycloalkyl group, a C.sub.3-10 halocycloalkyl group, a C.sub.6-20 aryl group, a C.sub.6-20 haloaryl group, a C.sub.7-12 arylalkyl group, a C.sub.

Abstract: A process for preparing resinous particles for a coating composition, which comprises the steps of (1) subjecting an aqueous resin composition having an ionic group and no material solubility or dispersibility in water is dissolved or dispersed in an aqueous medium by at least partly neutralizing the ionic group to treatment with a powdering agent while applying thereto an operation for pulverization to deposit the resin in a particulate form and (2) recovering the deposited resinous particles from the aqueous medium.

Abstract: A soft, heat and fatigue resistant vulcanizate adapted for transmitting load between moving mechanical parts comprising (a) 100 parts by weight of crosslinked elastomer consisting essentially of (i) natural or synthetic polyisoprene rubber, and (ii) elastomeric polybutadiene made from monomers consisting essentially of butadiene at a weight ratio of (i) to (ii) of about 1:10 to 10:1, (b) about 10-75 parts by weight of substantially internally saturated, substantially linear polymer that (i) is made from monomers consisting essentially of isobutylene, (ii) is a strain crystallizable, elastic solid at 20.degree. C. and (iii) has a viscosity average molecular weight (Flory) above about 1.

Abstract: A thermosetting acrylic powder coating composition contains an acrylic copolymer of a monoethylenically unsaturated monomer having at least one epoxy group and at least one monoethylenically unsaturated monomer which is free of epoxy groups, a carboxy-terminated primary crosslinking agent, a supplementary crosslinking agent having at least one functional group which can react with either hydroxyl groups or carboxylic acid groups, and at least one ultraviolet light stabilizer or ultraviolet light screener capable of preventing degradation of the coating by ultraviolet light. An acrylic copolymer of methyl methacrylate, n-butyl methacrylate, and glycidyl methacrylate is favored. Preferably, the composition contains a combination of ultraviolet light stabilizer and ultraviolet light screener, is nonpigmented, and provides a clear, glossy, and durable film useful as the clear coat of a clear coat/color coat automobile finish.

Abstract: Coating compositions capable of liquid application to substrates consist essentially of a curable film forming polyol-containing component and an organic reactive diluent. The reactive diluent is an organic compound containing a primary or secondary hydroxyl group and further characterized by having a retained solids value of greater than about 80 percent, a hydroxyl equivalent weight of from about 180 to about 800, and a liquid viscosity of less than about 10 poise at 60.degree. C. The coating compositions can be formulated to contain little or no volatile organic solvent and/or water.

Abstract: A powder coating resin composition comprising (A) a phosphorus-containing vinyl polymer containing a curable functional group and having a softening point, determined by the ring and ball method, of 70.degree. to 150.degree. C. and a number average molecular weight of 1500 to 30000, and (B) a curing agent.

Abstract: 2-[2-Hydroxy-3,5-di-(.alpha.,.alpha.-dimethylbenzyl)phenyl]-2H-benzotriazol e exhibits outstanding efficacy in protecting organic substrates from light induced deterioration as well as good resistance to loss by volatilization or exudation during the high temperature processing of stabilized compositions. The combination of the benzotriazole UV absorber with a hindered amine light stabilizer is particularly efficacious in protecting thermoset and thermoplastic acrylic resin automotive finishes and enamels.

Abstract: Reactive diluents are derived from the reaction of a glycidyl ester and a hydroxyl and/or carboxyl functional compound. The diluents are useful in coating compositions together with crosslinking agents and, optionally, polyols.

Abstract: A resin composition for electrocoating which comprises(I) a reaction product (G) of an epoxy compound (E), optionally an epoxy group-modifying agent (F) and a partially esterified and/or partially amidated product (D) which is obtained by partially esterifying and/or partially amidating an adduct (A) of a conjugated diene polymer with an .alpha.,.beta.-unsaturated dicarboxylic acid or its anhydride with an alcoholic hydroxy group-containing compound (B) and/or a primary or secondary monoamine (C), respectively, and(II) a completely blocked organic polyisocyanate,said mixture of the reaction product (G) and the completely blocked organic polyisocyanate being neutralized, ora neutralized product of an adduct (H) of the reaction product (G) with a partially blocked organic polyisocyanate.The resin composition is applicable to electrocoating, particularly cathodic electrocoating, and hence, is useful for electrocoating of steel products, particularly for electrocoating of automobiles.

Abstract: A polyolefin series resin composition for water-tree retardant electric insulation which comprises a polyolefin series resin and an organic isocyanate compound having at least one isocyanate radical in the molecule, or said polyolefin series resin, said organic isocyanate compound and an organic peroxide.

Abstract: The present invention relates to a thermosetting acrylic resin powder coating composition and comprises specified four components (A) to (D), said four components (A) to (D) being:(A) a mixture of a glycidyl-containing acrylic resin and a hydroxyl-containing acrylic resin, or a glycidyl- and hydroxyl-containing acrylic resin,(B) a blocked isocyanate compound having a melting point of 60.degree. to 140.degree. C. and solid at room temperature,(C) an aliphatic dibasic acid or anhydride thereof, and(D) at least one tin compound represented by the formula SnO.sub.2, R.sub.2 SnO, R.sub.2 SnX.sub.2, R.sub.2 Sn(OCOR').sub.2, ##STR1## R.sub.3 SnX, R.sub.3 Sn-O-SnR.sub.3, ##STR2## or R.sub.4 Sn wherein R is phenyl or alkyl having 1 to 18 carbon atoms, X is halogen, alkoxyl having 1 to 18 carbon atoms or hydroxyl, R' is alkyl or alkenyl having 1 to 18 carbon atoms and n is an integer of 1 to 5.

Abstract: Salicylate esters have been found to be suitable blocking agents for polyisocyanates, enabling preparation of hydroxy terminated polybutadiene based polyurethane bound propellant grains having extended pot life. Unblocking occurs readily at normal propellant cure temperatures, allowing normal cure rates.

Abstract: Urethane compositions prepared from terpolymers of a monovinyl aromatic monomer such as styrene, a C.sub.3 -C.sub.7 allylic alcohol and an ester of a C.sub.3 -C.sub.7 allylic alcohol and a C.sub.7 -C.sub.12 monovalent aromatic acid, wherein the terpolymer preferably contains an average of from about 2 to 4 allylic alcohol units and at least one allylic ester unit per molecule.The compositions are useful as surface coatings, foundry resin binders, molding and encapsulating compounds and in the preparation of rigid and semi-rigid urethane foams.

Abstract: Compounds having a melting point above 40.degree. C. which compounds contain uretone imine groups and which are substantially free from volatile isocyanate blocking agents which are split off under stoving conditions are excellent crosslinking agents for pulverulent coating compositions based on hydroxyl groups-containing polymers.

Abstract: Substantially pure crystals of .epsilon.-caprolactam-diblocked .omega.,.omega.'-diisocyanato-1,3-dimethylbenzene melting at 110.degree. C. or higher are advantageously used as a hardener of powder coating composition.

Abstract: A powder coating composition for forming multi layer coatings comprising:(1) at least one of finely divided thermosetting addition copolymers having a glass transition temperature of 35.degree. to 75.degree. C. and comprising as comonomers a wt. % of a hardness imparting monomer and b wt. % of a softness imparting monomer based on the copolymer wherein a+b.ltoreq.60, b.ltoreq.a and b.ltoreq.20, and(2) at least one of finely divided thermosetting resinous materials having incompatibility or low compatibility with the copolymer and a substantially greater surface tension than the copolymer when melted at the same temperature and substantially differing from the copolymer in composite parameter.

Abstract: Baking lacquers on the basis of a blend of hydroxy-group-containing polymers, blocked polyisocyanates and organic solvents which comprise40-70 wt. % hydroxy-group-containing polymers with hydroxy numbers between 40 and 240 and polyisocyanates blocked with cyclic amidines of the formula: ##STR1## wherein R are equal or different substituents selected from the group of hydrogen, alkyl-, cycloalkyl-, aralkyl- and aryl radicals, whereby the components are used in such amounts that 0.8 to 1.2 NCO-group equivalents are applied for each hydroxy group equivalent,0-2 wt. % cross-linking catalyst,30-60 wt. % organic solvent or solvent mixture, wherein the percentages of polymer, catalyst and solvent add up to 100. Pigments, colorants, flowing agents, gloss improvers, antioxidants and heat stabilizers may also be added. The lacquers are used for coil-coating lacquering in weather resistant single and double layer lacquering.

Abstract: The present invention relates to a special copolymer solution consisting of acrylic resin containing 70 to 90% by weight of copolymer solids and 10 to 30% by weight of solvent. The invention also relates to a process for the manufacture of the copolymers which are present in the copolymer solution; additionally, the invention relates to the use of the copolymer solution for the manufacture of coating compositions for lacquer systems of low solvent content which contain polyisocyanates and which contain the copolymer manufactured according to the invention as a resin component which carries hydroxyl groups.

Abstract: An epoxy resin composition comprising (a) a cyclopentadiene-type hydrocarbon resin having a hydroxyl value of 100 to 300 obtained by copolymerizing a cyclopentadiene-type monomer and a hydroxyl-containing monolefinic monomer at elevated temperatures, (b) a polyol selected from the group consisting of epoxy resins containing at least two hydroxyl groups in the molecule and epoxy resin derivatives containing at least two hydroxyl groups in the molecule and obtained by the reaction of epoxy resins with alkanolamines, and (c) an isocyanate-type curing agent. The compositions have improved low temperature curability, acid resistance and water resistance while retaining the various desirable properties of epoxy resins such as chemical resistance and oil resistance, and which when used as paints, exhibit improved adhesion to an adherend and improved re-coating adhesion to the film formed thereon.

Abstract: Salicylate esters have been found to be suitable blocking agents for polyisocyanates, enabling preparation of hydroxy terminated polybutadiene based polyurethane bound propellant grains having extended pot life. Unblocking occurs readily at normal propellant cure temperatures, allowing normal cure rates.

Abstract: An adhesive composition which shows improved stickiness and adhesive property at room temperature and exhibits an excellent adhering ability in a short time is prepared by compounding(a) an acrylonitrile-containing copolymer having carbon-to-carbon double bond(b) a phenol-polysulfide resin(c) a metal oxide, and(d) a polyfunctional electrophilic reactive compound containing at least two electrophilic reactive groups.