Abstract: The present invention provides a resin which is a mixture of (a) the product of a diol and one or more diepoxides and (b) an A-B-A block copolymer wherein A represents blocks of an epoxy/diol copolymer which is the reaction product of a diol and a diepoxide, and B represents blocks of an epoxy-capped, carboxyl-terminated polybutadiene or polybutadiene/acrylonitrile copolymer.Amine resins, produced by reaction of this resin with an amine are useful as the principal resin in electrocoating formulations which produce deposited films having excellent corrosion resistance and improved impact and chip resistance.

Abstract: A reaction product of a .beta.-diketone and a polymer having groups that are reactive with the .beta.-diketone can be complexed with a metal. The reaction product having the complex metal can be activated to provide a substrate suitable for plating from an electroless metal plating bath.

Abstract: A modified epoxy resin composition for use in making a printed circuit board comprising: (1) a modified epoxy resin obtained by reacting (a) a low molecular weight epoxy resin having at least two epoxy groups which have the following formula, ##STR1## (b) a mono-nucleus chain extending agent containing N-heterocyclic fatty groups and at least two active hydrogen atoms and represented by the formulas, ##STR2## and (c) at least one catalyst for catalyzing the reaction between components (a) and (b).

Abstract: A resin composition comprising 100 parts by weight of a polyester composition comprised of(A) 5-95% by weight of an aromatic polyester, and(B) 95-5% by weight of a polyphenylene ether having a repeating unit of ##STR1## and/or a modified polyphenylene ether obtained by reacting 0.05-20% by weight of an active functional group containing monomer to said polyphenylene ether, and(C) 0.05-30 parts by weight of an epoxy compound represented by the formula ##STR2## is superior in moldability and dimensional stability, and its molded article is distinguished in mechanical property and solvent resistance.

Abstract: A sealant material that is relatively chemically inert toward plastics and adhesives is comprised of a homogeneous mixture of polymeric polyester, said polyester being derived from adipic acid, and silica, the polyester comprising more than about 50 percent by weight of the mixture and the fumed silica comprising less than about 20 percent by weight of the mixture. In a preferred embodiment, the sealant material further contains an organofunctional silane coupling agent, a polyfunctional bridging agent, a dispersing agent and a fluorosurfactant.

Abstract: An intermediate for a composite material is described, comprising a reinforcing material impregnated with a resin composition which comprises: (A) 100 parts by weight of a mixture of (I) a polyfunctional maleimide and (II) a polyfunctional cyanate or an oligomer thereof, or a preliminary reaction product of (I) and (II); (B) from 5 to 100 parts by weight of an epoxy compound; and (C) from 5 to 50 parts by weight of a polyester compound.

Abstract: Disclosed is an ungelled, modified chlorinated polyolefin resin suitable for providing a highly adherent, solvent resistant film on a thermoplastic polyolefin substrate. The modified chlorinated polyolefin resin is prepared by grafting an unsaturated polycarboxylic acid and/or an unsaturated acid anhydride onto a chlorinated polyolefin resin to form an acid- and/or anhydride-modified chlorinated polyolefin resin. The resulting acid- and/or anhydride-modified chlorinated polyolefin resin is reacted with an organic monohydric alcohol to form an esterified product containing acid functionality. The resulting esterified product is reacted with a polyepoxide to form the ungelled modified chlorinated polyolefin resin.Also disclosed is a method of preparing an ungelled modified chlorinated polyolefin resin of the invention, a coating composition containing a resin of the invention, and a method of forming a hardened film from the coating composition on a thermoplastic polyolefin substrate.

Abstract: A carbinol-containing polyimide oligomer terminated with epoxide-reactive end groups has the structure ##STR1## wherein Ar is ##STR2## R.sup.1 and R.sup.2 are independently divalent organic radicals; R.sup.3 is a trivalent organic radical; Y is an epoxide-reactive group (e.g.); m is 0 or 1 and n is 0-10. Suitable epoxide-reactive groups include a phenol, thiol, amine, or carboxyl group. Polyimide-polyepoxide adducts are prepared by reacting the polyimides with a polyepoxide, preferably a diepoxide used in excess. The polyimide oligomers are useful as coatings or adhesives. The adducts are useful as adhesives, for composites, and particularly for impregnating the fiberglass sheets which are used to form circuit boards.

Abstract: Cationic resins based on epoxy resins which are modified through the introduction of phosphoric acid segments and the process of producing the resins are described. The reaction of the phosphoric acid is carried out in a multiple-step process whereby, in a first step, the diester is formed through reaction of ortho-phosphoric acid with 2 moles of a monoepoxy compound or through reaction of a polyphosphoric acid with n-1 moles of a monoalcohol and subsequent reaction with n+1 moles of a monoepoxy compound. The remaining acid group is reacted with a di- or polyepoxy resin. The products obtained can still contain unreacted epoxy groups. The protonable groups are introduced via the epoxy groups and/or via the hydroxy groups present or set free by opening of the oxirane ring. The binders can be combined with hardening components or may be formulated as self-crosslinking binders. The binders have excellent resistance to corrosion when stoved as electrodeposited coatings.

Abstract: Cathodically depositable paint binders based on epoxy resin/amine adducts modified with diamine bridges which carry longer-chained substituents are described. The diamine bridges are the reaction products of diprimary amines and mono- and diepoxy compounds. The modified epoxy resin/amine adducts have low viscosities and low glass transition temperatures in spite of their high molecular weights. The stoved films, even with higher film thickness, have flawless surfaces and excellent mechanical properties.

Abstract: The invention provides a liquid coating composition curable at ambient temperature comprising a compound having at least 2 acryloyl groups or methacryloyl groups and an amino compound having a primary amino group which is blocked with an aldehyde or ketone, said amino compound being an aliphatic or cycloaliphatic amine containing 2-24 carbon atoms or an adduct of a molecular weight of 300-1500 of an epoxy compound or isocyanate compound or .alpha.,.beta.-ethylenically unsaturated carbonyl compound and a primary amine having a group reacting with said epoxy compound or isocyanate compound or .alpha., .beta.-ethylenically unsaturated carbonyl compound. A process for coating a substrate with such composition is also provided.

Abstract: Crosslinking cationic paint binders, preferably cathodically depositable paint binders comprising (poly)-2-hydroxyalkylurea compounds as a crosslinking agent are described. The 2-hydroxyalkylureas are obtained by reacting organic polyisocyanates with secondary beta-hydroxyalkylamines. The crosslinking agents of the invention permit film formation in the stoving range of about 140.degree. C., which is particularly favorable for water-based paints. Additionally, selective semi-blocking which is made possible through the difference in reactively between the NCO-groups of individual polyisocyanates is enhanced through use of the secondary amino groups, in comparison to through use of hydroxyl groups which are conventionally used.

Abstract: A thermosetting powder coating composition which has good stability, pigment dispersion and impact characteristics is disclosed. The composition comprises a co-reactable particle mixture of an acid group-containing acrylic polymer having a Tg in the range of -20.degree. C. to 30.degree. C., an acid group-containing acrylic polymer having a Tg in the range of 40.degree. C. to 100.degree. C. and a curing agent, therefor.

Abstract: Silylketene acetals, including "living" GTP polymers, are acylated or sulfonylated in the presence of GTP-effective catalysts with acyl or sulfonyl compounds to produce .beta.-ketoesters or .beta.-sulfonylesters; polymeric products, including capped, coupled and chain-extended polymers and block copolymers can be prepared.

Abstract: Useful as catalysts for the reaction of a polyisocyanate or a partially blocked polyisocyanate with a hydroxy-containing compound are organotin compositions obtained by reacting a diorganotin oxide of the formula R.sub.2 SnO or a diorganotin dichloride of the formula R.sub.2 SnCl.sub.2 with a compound of the formula HS--CH.sub.2 CH(OH)CH.sub.2 XH where R is a C.sub.1 -C.sub.8 alkyl or an aryl group and X is --O-- or --S--.Also disclosed are cationic electrodepositable (CED) compositions containing such catalysts.

Abstract: The process of reacting an epoxy resin with a reactive hydrogen-containing compound or a carboxylic acid anhydride in the presence of a phosphonium catalyst is improved by employing a phosphonium compound having an amino substituent on the cation portion of the phosphonium compound as the catalyst. The invention also concerns precatalyzed epoxy resin compositions, curable compositions and cured compositions.

Abstract: A heat-resistant resin composition, comprising (A) 30 to 95% by weight of at least oen unsaturated ester compound selected from the group consisting of (I) unsaturated ester compounds represented by the formula I: ##STR1## wherein R.sup.1 s independently stand for one member selected from the class consisting of ##STR2## wherein R.sup.3 and R.sup.4 independently stand for a hydrogen atom or a methyl group, and a hydrogen atom, and at least one R.sup.1 stands for ##STR3## wherein R.sup.3 and R.sup.4 independently stand for a hydrogen atom or a methyl group, and R.sup.2 s independently stand for an atom or an organic group selected from the class consisting of a hydrogen atom, halogen atoms, a methoxy group, and alkyl groups of 1 to 5 carbon atoms, and m stands for 0 or an integer in the range of 1 to 10, and (II) unsaturated ester compounds represented by the formula II; ##STR4## wherein R.sup.5 s independently stand for one member selected from the class consisting of ##STR5## wherein R.sup.3 and R.sup.

Abstract: This invention relates to epoxy vinyl ethers having the formula: ##STR1## wherein R is a polyvalent linear, branched or cyclic hydrocarbon radical having from 2 to 20 carbon atoms, optionally substituted with alkylenoxy; n has a value of from 1 to 20; p has a value of from 1 to 6; and at least one of Y and Y' is ##STR2## which any remaining Y and Y' can be ##STR3## The invention also relates to the synthesis and uses of the above polyphenyl vinyl ethers.

Abstract: Useful as catalysts for the reaction of a polyisocyanate or a partially blocked polyisocyanate with a hydroxy-containing compound are organotins of the formula ##STR1## where R is a C.sub.1 -C.sub.8 alkyl or an aryl group,Y is --CH.sub.2 CH.sub.2 --, --CH.sub.2 CH.sub.2 CH.sub.2 --, --CH.sub.2 CH(CH.sub.3)--, --CH.sub.2 CH(OH)CH.sub.2 --, or ##STR2## X is a linking group which may be --S-- or --O--. Also disclosed are cationic electrodepositable compositions containing such catalysts.

Abstract: Curable compositions containing a reaction product of at least one bisphenol polyglycidyl ether, at least one epoxidized novolak and at least one brominated bisphenol, in combination with a polyphenylene ether and further components including specific catalysts and hardeners, may be used in the preparation of laminates useful as printed circuit boards and having excellent physical and electrical properties.