Abstract: A resin composition comprising (I) at least one compound selected from the group consisting of hydroxyl-containing unsaturated polyesters, reaction products of polyepoxides and ethylenically unsaturated carboxylic acids and .beta.-polymers of diallyl phthalate (II) at least one monomer copolymerizable with said compound (I), which is selected from the group consisting of ethylenically unsaturated monomers and allylic unsaturated monomers, (III) a catalyst capable of polymerizing (I) and (II), (IV) at least one compound containing the oxirane ring, (V) a curing agent (excluding acid anhydrides, acids and amine compounds) capable of curing said compound (IV), and (VI) a catalyst capable of promoting the curing of (IV) by (V). A preferable composition further contains (VII) a polyisocyanate compound and (VIII) a promoter for the reaction between isocyanate group and hydroxyl group. The composition may contain fibrous reinforcing agents.

Abstract: A cathode-precipitating electrodeposition coating composition consisting essentially of (A) 100 parts of a high-molecular-weight compound having a molecular weight of 500 to 10,000 and containing an amino group and a carbon-carbon double bond, (B) 3 to 200 parts by weight of a reaction product obtained by reacting an unsaturated carboxylic acid having 3 or 4 carbon atoms with the terminal glycidyl group of a glycidyl compound obtained by reacting a bisphenol with epichlorohydrin, and (C) 0.2 to 20 parts by weight of an oil-soluble manganese salt of a monoester of a 1,2-dicarboxylic acid or a manganese salt of sulfonated or maleinized polybutadiene having a molecular weight of 300 to 3,000.

Abstract: New compositions of matter are disclosed which comprise (1) a copolymer of an ethylenically unsaturated aromatic cyanate and a polymerizable ethylenically unsaturated compound which is free of cyanate groups or mixture thereof, (2) optionally a polycyanate or mixture thereof and/or (3) an epoxy resin.

Abstract: This invention relates to a thermosetting plastisol dispersion composition comprising(1) at least one copolymer of acrylonitrile-butadiene-styrene (ABS) in powder form, which is insoluble in the reactive plasticizer at room temperature and plasticizable at a temperature at or above the fluxing temperature;(2) a liquid reactive plasticizer member of the group consisting of (a) at least one epoxide resin having an average of more than one epoxide group in the molecule, (b) at least one liquid monomer, oligomer or prepolymer characterized by (1) containing at least one ethylenically unsaturated group and (2) capable of solvating the ABS at the fluxing temperature, and (c) a mixture of (a) and (b); and(3) an effective amount of either a thermal initiator or photoinitiator for plasticizers present in the composition.The plastisol dispersion after fluxing can form a thermoset sealant, coating or adhesive after the crosslinking reaction.

Abstract: What are disclosed are plastisols comprising a finely divided vinyl chloride polymer and the usual fillers, additives, and plasticizers, to which plastisols is added, as an adhesion promoter, the condensation product formed between (1) a polyaminoamide, comprising polymerized fatty acids and an excess of a polyalkylene polyamine and (2) a carboxylic acid or an ester thereof, and methods for coating or adhering a substrate with such plastisols by applying said plastisols to the substrate and baking at temperatures of 90.degree. C. and up.

Abstract: The invention provides a novel watertight rubbery sealing material of which the water-swellability is markedly insusceptible to the adverse influence of compression of the material in a dry condition. The watertight sealing material is a shaped and vulcanized body of a water-swellable rubber composition comprising, in a limited proportion, (a) a chloroprene rubber, (b) a highly water-absorptive resin such as a crosslinked polyacrlylic acid in the form of a sodium salt, (c) a rubbery polymer unvulcanizable with a metal oxide-based vulcanizing agent and (d) a metal oxide-based vulcanizing agent which is preferably a combination of magnesium oxide and zinc oxide.

Abstract: Cured epoxy resins having reduced susceptibility to mechanical and thermal shock are prepared from a composition comprising a curable epoxide compound and elastomeric particles colloidally dispersed therein, the particles having been prepared by in situ polymerization in the epoxide compound in the presence of a stabilizer.

Abstract: This invention is directed to curable molding compositions containing a mixture of a poly(acrylate); a polymerizable ethylenically unsaturated monomer which serves to crosslink the poly(acrylate) to a thermoset product; a crosslinkable vinyl monomer having a reactivity ratio (r.sub.1) with styrene of greater than one and at least one of the following: (i) a second crosslinkable vinyl monomer having a reactivity ratio (r.sub.1) with styrene of greater than one, (ii) an epoxy compound having at least one 1,2-epoxy group per molecule, and (iii) an unsaturated fatty acid ester; and a thermoplastic polymer low profile additive. The curable molding compositions exhibit improved shrink control during the curing reaction. This invention is also directed to fiber reinforced thermoset resin articles which exhibit generally improved surface appearance quality and can be produced by a rapid injection molding process from the curable molding compositions.

Abstract: A solventless, fluid epoxy resin composition is storage-stable against separation of phases for at least one year, and when cured provides adhesive bonds of improved peel strength at room and low temperatures without loss of lap shear strength at room and elevated temperatures. The composition comprises an epoxide group-containing compound having in situ polymerized, elastomeric particles colloidally dispersed therein, and as curing agent a poly(oxyhydrocarbolene)diamine compound and optionally, and preferably, a cure accelerator.

Abstract: The impact-resistance characteristics of styrene/acrylonitrile copolymers (SAN) are improved by the admixture to them of acrylic rubbers consisting of either copolymers or terpolymers of ethyl and/or butyl acrylate with acrylic and/or methacrylic acid, by carrying out said mixing in the presence of from 0.05 to 2% by weight of a halide chosen out from among: ZnCl.sub.2, FeCl.sub.3, AlCl.sub.3, CdCl.sub.2, BF.sub.3.(C.sub.2 H.sub.5).sub.2 O; and of 0.5-5 mols, on 100 mols of acrylic rubber, of an epoxy cross-linking compound, at temperatures comprised between the glass transition temperature of the SAN copolymer and 220.degree. C.

Abstract: A seal of controlled detachability between a propylene polymer, such as polypropylene, heat sealed to an enamel coated surface comprised of an epoxy resin, an aminoplant resin and an adhesion promoting amount of a carboxylated polypropylene resin, is obtained by incorporating a butene polymer such as polybutene in the enamel coating composition prior to its application to a metal surface.

Abstract: A method for reducing extractable constituents of an undesirable monomer in compositions which comprise an ionic polymer and an addition polymer of the undesired monomer which comprises conducting an addition polymerization in the presence of the undesired monomer with another monomer which is copolymerizable therewith and which results in a less undesirable residue or a residue which is more easily removable, is disclosed.

Abstract: Structural adhesive systems having improved heat resistance comprising a solution or dispersion of a polymeric material in a monomer copolymerizable therewith, an unsaturated organophosphorus partial ester and an epoxy resin are disclosed.

Abstract: A polyester resinous composition comprising (a) an aromatic polyester, (b) a copolymer of an .alpha.-olefin and a glycidyl ester of .alpha.,.beta.-ethylenically unsaturated carboxylic acid and (c) an ethylene based copolymer of ethylene and .alpha.-olefin having more than three carbon atoms. The composition has highly improved impact strength at low temperature and good flow properties upon injection molding. The composition can be molded to form various articles by conventional molding methods.

Abstract: A high solid coating composition comprising(A) a film-forming polymer having functional group(s) capable of reacting with the crosslinking agent (D) hereinafter referred to,(B) a volatile organic liquid diluent in which the polymer (A) is carried,(C) polymer microparticles having an average diameter of from 0.02 to 40 microns, which are insoluble in the combination of the film-forming polymer (A) and the diluent (B) and are maintained in a stabilized state of dispersion therein, and(D) a crosslinking agent dissolved in the diluent (B),which is characterized in that the microparticles (C) are composed of crosslinked copolymer of .alpha.,.beta.-ethylenically unsaturated monomers carrying thereon a resinous portion having an amphoionic group of the formula: ##STR1## wherein R is a member selected from optionally substituted alkylene having 1 to 6 carbon atoms and phenylene group and Y is --COOH or --SO.sub.3 H.

Abstract: Disclosed is a side seam-coated welded can comprising a welded can body having a seam on the side face and a resin coating layer covering at least one surface side of the seam, wherein said coating layer comprises a thermosetting resin and a thermoplastic resin having a softening point of 50.degree. to 300.degree. C. as determined according to the ring and ball method, at a volume ratio ranging (A) from 95/5 to 25/75 or (B) from 20/80 to 1/99, and one of said two resins is present in the coating in the form of a continuous phase and at least a part of the other resin is present in the coating in the form of fine dispersed particles.This can is excellent in corrosion resistance and processability.

Abstract: Aqueous compositions suitable for sanitary can coatings comprising the neutralized water dispersible ionic polymer product of the reaction of an epoxy resin with acid polymer, and a different resin which is not necessarily self-dispersible in water, as well as several methods of preparing such compositions, are disclosed. The second resin which is not necessarily self-dispersible in water is introduced either preformed at any stage or is prepared, in situ, in the presence of the epoxy resin esterified with acid polymer either before the ionic epoxy resin-acid polymer product is dispersed in water. The epoxy resin-acid polymer product acts as a polymeric surfactant capable of keeping even a normally non self-dispersible second polymer in stable dispersion in water.

Abstract: An improved process for preparing epoxy acrylate dispersions from the reaction product of an epoxy resin and carboxyl containing polymer in the presence of tertiary amine in which the carboxyl containing polymer is formed, in situ, in the presence of a solvent solution of the epoxy resin and then subjected to the esterification reaction which can be conducted in a single pot.

Abstract: A process for the preparation of moldings, in particular resilient elements, which by virtue of a densified surface zone with substantially closed cells, have only a low water absorption, wherein a mixture comprising:(a) 100 parts by weight of an NCO-containing prepolymer, having an NCO content of from 3 to 6% by weight and based on organic diisocyanates and substantially linear polyester-polyols or polytetramethylene ether glycol,(b) from 0.5 to 1.6 parts by weight of water,(c) one or more catalysts, preferably a tertiary amine, in an amount of from 0.01 to 2.0 parts by weight and(d) assistants, with or without additives, is reacted in a closed mold, while undergoing densification, the surface temperature of the inner wall of the mold being from 50.degree. to 70.degree. C.

Abstract: An adhesive composition for bonding polished metal surfaces to vinyl chloride polymer coated metal substrates is disclosed which is comprised of a thermoplastic vinyl chloride polymer resin, a thermosetting epoxy resin normally incompatible with the vinyl chloride polymer resin and an amount of an acrylonitrile/butadiene/styrene copolymer which imparts compatibility between the epoxy resin and the vinyl chloride polymer.

Abstract: An epoxy resin composition containing one or a mixture thereof selected from the group consisting of poly-p-vinyl phenol and its halides, and a compound selected from the group consisting of the following compounds: (a) Sn salt of organic acid wherein at least one organic group is bonded with Sn atom; (b) alcoxy-containing silane compound represented by the general formula, (R'--).sub.n --Si--(--OR).sub.4-n, wherein R' denotes the alkyl group or the allyl group, R denotes the normal chain or branched alkyl group, and n denotes 0 or an integer of 1-4; and (c) aluminic acid ester represented by the general formula, [Al(OR).sub.3 ].sub.n, wherein n denotes an integer of 1-5, and R denotes the alkyl group or allyl group. The present invention further includes a method for preparing an epoxy resin prepreg using the above epoxy resin composition.

Abstract: Provides new and improved water-reducible coating compositions and methods of making them. Three preferred processes are disclosed. These differ in the manner of incorporating and chemical nature of an extender polymer.Broadly, the process of the invention is one for forming an aqueous dispersion of a fluent resinous composition ofa. a mixture in an organic solvent of(i) an ionizable graft polymer of an epoxy resin and an addition polymerized resin, the addition polymerized resin being bonded to aliphatic backbone carbon atoms of the epoxy resin by carbon-to-carbon bonds, and(ii) an extender resin;b. an aqueous vehicle, andc. an ionizing agent;the ionization present from said combined components being sufficient to establish the components as a dispersion in the aqueous vehicle, and then addition polymerizing a quantity of addition polymerizable monomer, under addition polymerizing conditions, in said aqueous dispersion, the aqueous dispersion serving as a vehicle therefor.

Abstract: The invention provides a novel water-swellable caulking material which is a composite body of stratified structure composed of at least one rubbery layer swellable in water comprising highly water absorbing resin dispersed in the matrix of a rubber and at least one rubbery layer not swellable in water integrally bonded together, which latter serves to resist the expansion of the former layer when swollen in water in the directions other than the direction perpendicular to the plane of the layers. The inventive caulking material can exhibit unexpectedly excellent water sealing effect with easiness in handling in addition to the rapidity in water absorption by virtue of the structure thereof preventing the expansion of the material in the directions of length and width without decreasing the expansion in the direction of thickness.

Abstract: An adhesive composition for bonding polished metal surfaces to vinyl chloride polymer coated metal substrates is disclosed which is comprised of a thermoplastic vinyl chloride polymer resin, a thermosetting epoxy resin normally incompatible with the vinyl chloride polymer resin and an amount of an acrylonitrile/butadiene/styrene copolymer which imparts compatibility between the epoxy resin and the vinyl chloride polymer.

Abstract: Coating compositions especially useful as primers for metal substrates consist essentially of polyepoxide resin, acrylic resin and fluorocarbon resin.

Abstract: A coating and adhesive composition which comprises an ethylene-acrylic elastomer, a high molecular weight polyvinyl chloride and a filler, preferably carbon black. The composition is cured with a suitable catalyst, preferably an amine catalyst, to form an abrasion resistant coating, which can also be employed as a repair coating, especially for damaged plastic materials or sheets on a substrate, particularly sheets formed from ethylene-acrylic elastomer. The composition can also be employed as an adhesive or bonding material for such plastic sheets.

Abstract: An adhesive composition for bonding polished metal surfaces to vinyl chloride polymer coated metal substrates is disclosed which is comprised of a thermoplastic vinyl chloride polymer resin, a thermosetting epoxy resin normally incompatible with the vinyl chloride polymer resin and an amount of an acrylonitrile/butadiene/styrene copolymer which imparts compatibility between the epoxy resin and the vinyl chloride polymer.

Abstract: The metal adhesion and heat and water resistance of conventional neoprene latex adhesives are improved by the addition thereto of a polyamine and an epoxy resin wherein for every 100 parts by weight of dry neoprene, the epoxy is added in an amount of 10-40 parts and the amine is added in an amount sufficient to provide 50-150% of the stoichiometric amount required to cure the epoxy.

Abstract: Non-gelled compositions containing hydroxy ester copolymer having carboxyl groups and substantially free of oxirane groups are disclosed which are the esterification reaction product of(a) acidic addition copolymer; and(b) a polyepoxide which has been partially defunctionalized by reaction with carboxyl containing polybutadiene polymer. The resulting composition is neutralized with amine, is self-emulsifiable in water and is useful for coatings.

Abstract: The high solids coating composition contains at least 50% by weight of a binder of film-forming constituents in which the constituents are of(A) a medium molecular weight acrylic polymer that has a number average molecular weight of about 5,000-20,000, a hydroxyl content of at least 2% by weight, a glass transition temperature of about -20.degree. C. to +25.degree. C., and is of an alkyl methacrylate, a hydroxy alkyl acrylate or a hydroxy alkyl methacrylate, and optionally, an alkyl acrylate or styrene;(B) a low molecular weight acrylic polymer that has a number average molecular weight of about 500-7,500 a hydroxyl content of at least 2% by weight, a glass transition temperature of about -20.degree. C. to +25.degree. C.

Abstract: Room temperature curable latices can be produced by copolymerizing ketimine derivative ethylenically unsaturated monomers with conventional ethylenically unsaturated monomers in an emulsion process at a controlled pH greater than about 7.2 to produce a coagulum-free latex containing blocked amine (--NH.sub.2) groups. In use, the pH of the latex can be adjusted to acidic below 7 to generate unblocked reactive amino groups which can be cured or cross-linked at about room temperature with water-dispersed polymers such as epoxy, double bond or isothiocyanate containing polymers.

Abstract: The non-flammable adhesive compositions contain 100 parts by weight of a brominated epoxy resin such as a bisphenol type brominated epoxy resin or a novolak type brominated epoxy resin; 40-80 parts by weight of an acrylic copolymer and 5-20 parts by weight of a brominated polyvinyl phenol, said acrylic copolymer being prepared by copolymerizing (a) 5-35% by weight of acrylonitrile, (b) 0.5-10% by weight of an ethylenically unsaturated compound having at least one functional group selected from carboxyl, hydroxyl and epoxy group, and (c) substantially the balance of an ester obtainable from an alcohol having from 1 to 6 carbon atoms and acrylic acid and/or methacrylic acid.

Abstract: A fluorocarbonpolymer material for coating flexible and other surfaces, said material comprising an elastic material and adhesive, and the process for making the said material.

Abstract: A film of ethylene vinyl acetate having a narrow molecular weight distribution and a saran composition that is a blend of emulsion and suspension polymerized saran or a saran composition that includes emulsion polymerized saran of the type generally considered suitable for liquid coating. A laminate including the film and composition and the method for production thereof including sequentially melt extruding tubular films of ethylene vinyl acetate which is irradiated, saran and ethylene vinyl acetate and then bubble orienting the three-ply laminate. The laminate is employed for packaging and forming packages of bone-in fresh red meat.

Abstract: A self-adhesive tape particularly suitable for use in the building industry for joining and sealing PVC sheets, comprising 100 parts by weight of a vinyl chloride/vinylisobutylether copolymer, from 100 to 400 parts by weight of a mixture of nitrile rubber and a polyvinylchloride homopolymer, from 60 to 230 parts by weight of a plasticizer consisting of one or more esters of phthalic acid, and from 4 to 70 parts by weight of a resinous plasticizer which is an aromatic polyether, an epoxy resin or a mixture thereof, and which imparts adhesive properties to the composition.

Abstract: A powder coating composition useful for coating metal substrates to provide a low gloss finish; the powder particles are a blend of(a) a polyester or a blend of polyesters,(b) an epoxy resin,(c) triglycidyl isocyanurate,(d) calcium carbonate pigment and(e) finely divided polypropylene particles;The composition is particularly useful for providing the interior of automobiles, station wagons and trucks with a low gloss finish.

Abstract: A self-swelling leakage-preventing material is produced by reacting under heat a mixture of a copolymer of a lower olefin such as isobutene with maleic anhydride, a polymer emulsion having compatibility with the copolymer, such as an acrylic polymer emulsion, and a compound having at least two functional groups in a molecule selected from the group consisting of a hydroxy group, amino group and epoxy group, such as ethylene glycol, until a crosslinked product having a swelling ratio of 5-40 times is obtained. The mixture itself may be shaped into a suitable form prior to the reaction. A core material such as a non-woven fabric may be impregnated with the mixture prior to the reaction.

Abstract: Solvent-free hot melt compositions for use as sealants, adhesives, caulking compounds or the like are produced by intimately blending elastomeric polymers with tackifying resins and plasticizers to obtain products having a hardness at room temperature of at least about 5 on the Shore A Durometer scale while being sufficiently soft at temperatures of about 150.degree. F. or higher to permit them to be easily extruded or otherwise applied. Adhesion promoters, lubricants, fillers and the like are preferably added to the composition to improve the properties thereof. The products are characterized by their stability over a wide range of temperatures, their resistance to oxidation and weathering, and their low moisture vapor transmission properties.

Abstract: Resins, made by admixing polyacrylic resin and epoxy resin in a weight ratio of polyacrylic:epoxy of 10:0.1 to 100 are cured in a diffusion gas atmosphere. An insulated conductor is coated with the polyacrylic-epoxy resin and cured without heat in a contacting gas atmosphere, such as nitrogen, carbon dioxide, argon, helium, methane, or hydrogen.