Abstract: An oligomeric halogenated chain extender composition comprising the reaction product of: (a) an excess of a halogenated phenolic compound; and (b) a halogenated epoxy resin; in the presence of (c) a solvent; and a halogenated epoxy resin composition comprising the reaction product of the oligomeric halogenated chain extender composition with an epoxy resin.

Abstract: Phosphorus-containing compounds are disclosed which are obtainable by reacting: (A) at least one organophosphorus compound having a group selected from the group H—P?O; the group P—H and the group P—OH; and (B) at least one compound having the following Formula (I): [R?(Y)m?]m(X—O—R?)n ??Formula (I) wherein R? is an organic group; Y is a functional group selected from the group consisting of hydroxy, carboxylic acid, and amine; X is a hydrocarbylene group; R? is hydrogen or a hydrocarbyl group having from 1 to 8 carbon atoms, R is alkyl or aryl group having from 1 to 12 carbon atoms; m?, m and n are, independently, numbers equal to or greater than 1; and (C) a thermosetting or thermoplastic composition. These compounds are useful for making flame retardant epoxy and polyurethane resins and ignition resistant thermoplastic resins, each of which is useful for a variety of end uses requiring flame retardancy or ignition resistance.

Abstract: Phosphorus-containing compounds are disclosed which are obtainable by reacting: a benzoxazine ring-containing compound comprising the reaction product of: (A) at least one organophosphorus compound having a group selected from the group H—P?O; the group P—H and the group P—OH; and (B) at least one compound having the following Formula (I): [R?(Y)m?]m(X—O—R?)n??Formula (I) wherein R? is an organic group; Y is a functional group selected from the group consisting of hydroxy, carboxylic acid, and amine; X is a hydrocarbylene group; R? is hydrogen or a hydrocarbyl group having from 1 to 8 carbon atoms, R is alkyl or aryl group having from 1 to 12 carbon atoms; m?, m and n are, independently, numbers equal to or greater than 1. These compounds are useful for making flame retardant epoxy and polyurethane resins and ignition resistant thermoplastic resins, each of which is useful for a variety of end uses requiring flame retardancy or ignition resistance.

Abstract: Phosphorus-containing compounds are disclosed which are obtainable by reacting: (A) at least one organophosphorus compound having a group selected from the group H—P?O; the group P—H and the group P—OH; and (B) at least one compound having the following Formula (I): [R?(Y)m?]m(X—O—R?)n??Formula (I) wherein R? is an organic group; Y is a functional group selected from the group consisting of hydroxy, carboxylic acid, and amine; X is a hydrocarbylene group; R? is hydrogen or a hydrocarbyl group having from 1 to 8 carbon atoms, R is alkyl or aryl group having from 1 to 12 carbon atoms; m?, m and n are, independently, numbers equal to or greater than 1. These compounds are useful for making flame retardant epoxy and polyurethane resins and ignition resistant thermoplastic resins, each of which is useful for a variety of end uses requiring flame retardancy or ignition resistance. Flame retardant epoxy resins may be used to make electrical laminates.

Abstract: A process of forming a solid epoxy-imidazole catalyst, the process including: contacting an imidazole, an amine, and one or more epoxy resins, in the absence of added solvent, to form a solid epoxy-imidazole catalyst. In other aspects, embodiments disclosed herein relate to an epoxy-imidazole catalyst, as well as curable compositions, processes for forming curable compositions, and processes for forming a thermoset resin using the epoxy-imidazole catalyst formed in the absence of added solvent.

Abstract: An epoxy resin hardener composition including a reaction product of (i) a compound having at least one vicinal epoxy group, and (ii) an amino alcohol; an epoxy resin composition including the epoxy resin hardener composition and a compound having at least one vicinal epoxy group; and a powder coating composition including particles of the epoxy resin hardener composition and particles of a compound having at least one vicinal epoxy group.

Abstract: Substantially homogeneous solutions including dicyandiamide and phenolic hardeners having the general formula; where R? and R? may be the same or different and each represents R— or RO— radicals, with R being an alkyl or aromatic radical; R?? is hydrogen, an alkyl or aromatic radical, —CH2P(O)R?R?, or —CH2OR; n is a whole number within the range from 0 to 100. Also disclosed are curable compositions including an epoxy resin and the above-described phenolic hardener solution and processes for making the same.

Abstract: An epoxy resin composition comprises an isocyanate modified epoxy resin, which is a reaction product of (a) a multi-functional epoxy resin having an epoxy functionality of greater than about 2.2 and (b) a diisocyanate compound. An epoxy powder coating composition comprises the epoxy resin composition. The isocyanate modified epoxy resin has a high resin softening point and a high cross-linked glass transition temperature Tg for powder coating applications.

Abstract: A resin composition comprising oligomers having a molar ratio of isocyanurate to oxazolidinone greater than 1:1, wherein the weight average molecular weight of the oligomers is less than or equal to 3000, as measured by gel permeation chromatography. Such resin compositions may be combined with a hardener to form a curable composition. Also disclosed is a process for forming a resin composition, including: reacting diisocyanates to form isocyanurates; reacting isocyanate groups in the isocyanurates and unreacted diisocyanates with an epoxy precursor to form a resin composition comprising oligomers having: a molar ratio of isocyanurate to oxazolidinone greater than 1:1; wherein the weight average molecular weight of the oligomers is less than or equal to 3000, as measured by gel permeation chromatography. Such compositions may be useful in prepregs and laminates.

Abstract: An oligomeric halogenated chain extender composition comprising the reaction product of: (a) an excess of a halogenated phenolic compound; and (b) a halogenated epoxy resin; in the presence of (c) a solvent; and a halogenated epoxy resin composition comprising the reaction product of the oligomeric halogenated chain extender composition with an epoxy resin.

Abstract: The invention is a formulation that contains: (1) a low-viscosity epoxy resin; (2) a phenolic chain extender whose concentration is less that 0.6 equivalents phenolic hydroxyl group per equivalent of the low-viscosity epoxy resin; (3) a catalyst that promotes self-curing reactions between epoxy groups; (4) an inhibitor that inhibits the activity of the catalyst under “B-staging” conditions; (5) less than 25 weight percent of a volatile organic solvent; and (6) optionally, a multifunctional cross-linking agent. The formulation contains low levels of volatile organic solvent, and can be used to make electrical laminates. It builds molecular weight controllably in B-staging, so that dripping is avoided but the prepreg can be easily laminated.

Abstract: An oligomeric halogenated chain extender composition comprising the reaction product of: (a) an excess of a halogenated phenolic compound; and (b) a halogenated epoxy resin; in the presence of (c) a solvent; and a halogenated epoxy resin composition comprising the reaction product of the oligomeric halogenated chain extender composition with an epoxy resin.

Abstract: The present invention pertains to polyols having autocatalytic properties in urethane formation. Such polyols are prepared by end-capping polyols with a tertiary amine. The invention also discloses the process for producing such polyols an their use in production of polyurethane products.

Abstract: An oligomeric halogenated chain extender composition comprising the reaction product of: (a) an excess of a halogenated phenolic compound; and (b) a halogenated epoxy resin; in the presence of (c) a solvent; and a halogenated epoxy resin composition comprising the reaction product of the oligomeric halogenated chain extender composition with an epoxy resin.

Abstract: Phosphorus-containing compounds are disclosed which are obtainable by reacting: (A) at least one organophosphorus compound having a group selected from the group H—P?O; the group P—H and the group P—OH; and (B) at least one compound having the following Formula (I): [R?(Y)m?]m(X—O—R?)n ??Formula (I) wherein R? is an organic group; Y is a functional group selected from hydroxy, carboxylic acid, carboxylate, acid anhydride, and amine; —SH, —SO3H, —CONH2, —NHCOOR, phosphite and phosphinate groups X is a hydrocarbylene group; R? is hydrogen or a hydrocarbyl group having from 1 to 8 carbon atoms, R is alkyl or aryl group having from 1 to 12 carbon atoms; m?, m and n are, independently, numbers equal to or greater than 1. These compounds are useful for making flame retardant epoxy and polyurethane resins and ignition resistant thermoplastic resins, each of which is useful for a variety of end uses requiring flame retardancy or ignition resistance.

Abstract: The present invention pertains to low emission polyurethane polymer products based on autocatalytic polyols made by modification of conventional polyols with tertiary amines and processes for their manufacture. The tertiary amine is bound to a conventional polyol by means of an epoxide, epichlorohydrin, or grafting by means of an azo and/or peroxide initiator or sulfonyl azide.

Abstract: The present invention is a halogen-free ignition resistant polymer composition comprising: A) a thermoplastic polymer or polymer blend, B) a modified multi-functional epoxy resin containing from 0-20 wt. percent residual epoxy groups, based on the total weight of the epoxy resin, and C) a phosphorus containing compound. The use of a modified multifunctional epoxy compound having from 0-20 weight percent residual epoxy groups, enhances the flame retardancy of the thermoplastic polymer, and can increase the compatibility of the epoxy resin with the thermoplastic polymer through the use of the modified functionalities, without causing black specks in the final product. It has been additionally discovered that modified multi-functional epoxy resins can also contribute to improved mechanical properties, melt flow rate and processability.

Abstract: The present invention pertains to low emission polyurethane products based on autocatalytic polymers made by reaction of epoxide resins with compounds containing secondary and/or tertiary amines bearing a reactive hydrogen and to processes for their manufacture.

Abstract: The present invention is a halogen-free ignition resistant polymer composition comprising: A) a thermoplastic polymer, and B) a phosphorus element-containing epoxy resin.

Abstract: The invention relates to epoxy resin compositions. More specifically, the invention is a composition suitable to cure an epoxy resin, preferably in a solvent, incorporating a cross-linking compound of a polycarboxylic acid anhydride or a copolymer of styrene and hydroxystyrene. Also, the invention relates to an epoxy resin composition comprising an inhibitor effective to extend the gel time of the composition at curing temperatures from 150° C. to 170° C., and a cross-linking compound as described.