Abstract: A process reaction between: (1) a compound that contains one or more epoxide moieties per molecule, and (2) a compound that contains one or more primary aliphatic hydroxyl groups per molecule; is catalyzed by: (3) a catalyst compound containing one or more trifluoromethanesulfonate moieties and one or more silyl moieties and run at a temperature of no more than 130.degree. C., such that the catalyst preferably catalyzes reaction at the primary aliphatic hydroxyl group, so that the resulting resin does not gel.

Abstract: A class of compounds which inhibits the reaction of a polyepoxide with a curing agent at low temperatures including an epoxy resin composition containinga) a polyepoxide;b) an amine or amide curing agent for the polyepoxide;c) at least about 15 meq (per equivalent of polyepoxide) of a catalyst for the reaction of the polyepoxide with the curing agent; andd) a cure inhibitor selected such that:(1) at about 171.degree. C. the composition has a gel time that is at least about 50 percent longer than a similar composition without the inhibitor, and(2) at about 175.degree. C. and higher the composition cures in no more than about 50 minutessuch that the composition cures rapidly with high cross-link density because it has a high catalyst loading, while the inhibitor lengthens the gel time to permit laminating and other processing.

Abstract: Graft copolymers containing:(1) a phenolic resin; and(2) a poly(alkylene oxide) chain pendant to the phenolic resin,selected such that the graft copolymer has a solubility of no more than about 10 g/L in water, are taught. The graft copolymers are useful in coatings compositions with a curing agent, a solvent, and optionally an epoxy resin. The curable compositions have improved flexibility and/or solvent resistance. They are particularly useful in can coatings.

Abstract: The invention pertains to a composition useful for curing a polyepoxide or advanced epoxy resin consisting essentially of (A) a curing agent capable of reacting with a polyepoxide at elevated temperatures; and (B) boric acid in an amount of from about 0.01 to about 2.0 parts of polyepoxide.

Abstract: Curable compositions containing (A) one or more epoxy resins, one (B) or more curing agents and (C) one or more cure controlling catalysts wherein at least one of components (A) or (B) or both components (A) and (B) contain a mesogenic moiety are prepared. These curable compositions permit processing at higher temperatures and improved properties. They are useful in the preparation of coatings, castings, electrical or laminates or composites and the like.

Abstract: A curable composition which comprises:(1) a compound which contains on average more than 1 epoxy group per molecule;(2) a compound which contains on average more than 1 phenolic hydroxyl group per molecule; and(3) a catalytic amount of a catalyst compound which contains:(a) a cation containing at least one heterocyclic nitrogen-containing ring, and(b) an anion which is a conjugate base of fluoroarsenic acid, fluoroantimonic acid, fluorophosphoric acid, chloroarsenic acid, chloroantimonic acid, chlorophosphoric acid, nitric acid, hydrofluoric acid, trifluoroacetic acid, trifluoromethane sulfonic acid, picric acid, fluoboric acid, or an acid represented by the Formula:HBR.sub.3 R'wherein each R is independently a hydrocarbyl or substituted hydrocarbyl group and R' is a halogen, a hydrocarbonoxy group, a hydrocarbonamino group, or a hydrocarbonphosphino group.

Abstract: Laminates containing one or more plies of substrate material impregnated with a composition containing (A) one or more epoxy resins, (B) one or more curing agent and (C) about 0.00005 to about 0.1 mole per epoxide equivalent of cure controlling catalyst, wherein at least one of components (A) or (B) contain at least one mesogenic moiety, which, optionally, has been subjected to either (a) the application of an electric field, (b) the application of a magnetic field, (c) drawing or shear forces, or (d) any combination thereof, are prepared.

Abstract: Graft copolymers containing:(1) a phenolic resin; and(2) a poly(alkylene oxide) chain pendant to the phenolic resin,selected such that the graft copolymer has a solubility of no more than about 10 g/L in water, are taught. The graft copolymers are useful in coatings compositions with a curing agent, a solvent, and optionally an epoxy resin. The curable compositions have improved flexibility and/or solvent resistance. They are particularly useful in can coatings.

Abstract: In summary, the invention is related to the discovery of a class of compounds which inhibits the reaction of a polyepoxide with a curing agent at low temperatures. More particularly the invention relates to an epoxy resin composition comprisinga) a polyepoxide; andb) a cure inhibitor comprising boric acid.

Abstract: In summary, the invention is related to the discovery of a class of compounds which inhibits the reaction of a polyepoxide with a curing agent at low temperatures. More particularly the invention relates to an epoxy resin composition comprisinga) a polyepoxide; andb) a cure inhibitor comprising boric acid or maleic acid.In another embodiment, the invention comprises an epoxy resin composition comprisinga) a polyepoxide;b) a cure inhibitor comprising boric acid or maleic acid,c) a curing agent without phenolic hydroxyl moieties, andd) optionally a catalyst for the reaction of the polyepoxide with the curing agent.In still another embodiment the invention relates to a composition useful for curing a polyepoxide which comprisesa) a curing agent capable of reacting with a polyepoxide at elevated temperatures; andb) an inhibiting amount of boric acid or maleic acid; and optionallyc) a catalytic amount of a catalyst useful for accelerating the reaction of a polyepoxide with the curing agent.

Abstract: Glycidyl esters containing at least one glycidyl ester group and at least one organo siloxane moiety per molecule are prepared by reacting (1) at least one compound containing at least one glycidyl ester group per molecule and at least one unsaturated aliphatic or cycloaliphatic group per molecule; with (2) a compound containing at least one hydrosiloxane moiety per molecule.

Abstract: Products resulting from contacting (1) at least one compound selected from the group consisting of (a) at least one onium compound of the element nitrogen, phosphorus, sulfur or arsenic; (b) at least one amine compound; and (c) a mixture of any two or more of the (a) and (b) components; with (2) either (a) boric acid or (b) a mixture of boric acid and at least one acid having a weak nucleophilic anion are suitable catalysts for reacting vicinal epoxy-containing compounds with aromatic hydroxyl-containing compounds.

Abstract: The 2-functional component of substituted phenol-aldehyde novolac resins is reduced. Epoxy novolac resins prepared from the novolac resin containing reduced quantities of 2-functional product exhibit increased Tg values when cured.

Abstract: The products resulting from contacting an organic phosphine or arsine with an inorganic acid having a weak nucleophilic anion provide for relatively stable compositions when admixed with a compound containing an average of more than one vicinal epoxide group per molecule and which optionally contains a compound containing an average of more than one phenolic hydroxyl group per molecule.

Abstract: Latent catalyst compounds for catalyzing the reaction between epoxide groups and aromatic hydroxyl groups are prepared by contacting a nitrogen-containing heterocyclic compound with an acid having a weak nucleophilic anion.

Abstract: The 2-functional component of substituted phenol-aldehyde novolac resins is reduced. Epoxy novolac resins prepared from the novolac resin containing reduced quantities of 2-functional product exhibit increased Tg values when cured.

Abstract: Phenol-aldehyde novolac resins having reduced quantities of 2-functional material are prepared by removing all or part of the 2-functional material from this product resulting from reacting phenol with an aldehyde. Epoxy novolac resins prepared from the novolac resin containing less 2-functional product exhibit increased Tg values when cured.

Abstract: The 2-functional component of substituted phenol-aldehyde novolac resins is reduced. Epoxy novolac resins prepared from the novolac resin containing reduced quantities of 2-functional product exhibit increased Tg values when cured.

Abstract: Latent catalysts for epoxy reactions are prepared by reacting a tetrasubstituted onium compound such as tetrabutylphosphonium acetate acetic acid complex with an acid or metal salt of an acid having a weak-nucleophilic anion such as fluoboric acid. These catalysts provide stable latent catalysts for epoxy resins for advancement or curing reactions.

Abstract: Storage stable compositions are disclosed which comprise an epoxide containing compound, a phenolic hydroxyl containing compound, and a catalyst compound for catalyzing the reaction between epoxide groups and aromatic hydroxyl groups which catalyst comprises the product resulting from contacting an onium salt, amine, or amine salt with an acid or a salt of an acid having a weak nucleophilic anion.