Abstract: There is provided a curable composition comprising (A) a cyclic olefin; (B) a metathesis catalyst for polymerizing the cyclic olefin; (C) 0.1-30 wt. % of a compound comprising at least one vinyl group; and (D) 0.1-10 wt. % of a curing agent for compound (C), wherein the wt. % are relative to the total weight of the composition. The composition provides a desirable combination of workability, toughness and heat resistance. Also provided is a molded article comprising the composition and reinforcing fibers, and a method of manufacturing the same.

Abstract: The present invention relates to sizing compositions, to glass fibers at least partially coated with such sizing compositions, to a variety of fiber glass products at least partially coated with such sizing compositions, and to composites formed from cycloolefins and reinforced with glass fibers at least partially coated with sizing compositions of the present invention. In one non-limiting embodiment, a sizing composition for glass fibers comprises a film-former comprising a polymer, wherein the repeating unit of the polymer comprises at least four carbon atoms and at least one carbon-carbon double bond, and a silane.

Abstract: The present invention relates to sizing compositions, glass fibers at least partially coated with sizing compositions, and glass fiber reinforced composite materials. In one embodiment, a sizing composition comprises at least one maleic anhydride copolymer, at least one coupling agent, and a reaction product of an alkoxylated amine and a polycarboxylic acid, which is further reacted with an epoxy compound.

Abstract: There is provided a curable composition comprising (A) a cyclic olefin; (B) a metathesis catalyst for polymerizing the cyclic olefin; (C) 0.1-30 wt. % of a compound comprising at least one vinyl group; and (D) 0.1-10 wt. % of a curing agent for compound (C), wherein the wt. % are relative to the total weight of the composition. The composition provides a desirable combination of workability, toughness and heat resistance. Also provided is a molded article comprising the composition and reinforcing fibers, and a method of manufacturing the same.

Abstract: The present invention provides sizing compositions and methods of using the same for glass fibers used in reinforced polymeric composites produced by reactive processing techniques.

Abstract: The present invention relates to sizing compositions, to glass fibers at least partially coated with such sizing compositions, to a variety of fiber glass products at least partially coated with such sizing compositions, and to composites formed from cycloolefins and reinforced with glass fibers at least partially coated with sizing compositions of the present invention. In one non-limiting embodiment, a sizing composition for glass fibers comprises a film-former comprising a polymer, wherein the repeating unit of the polymer comprises at least four carbon atoms and at least one carbon-carbon double bond, and a silane.

Abstract: The present invention provides aqueous sizing compositions for application to glass fibers as well as fiber glass strands and polymeric resins reinforced with glass fibers at least partially coated with the aqueous sizing compositions. In some embodiments, sizing compositions of the present invention demonstrate advantageous properties resulting from the presence of an acid-amine component therein.

Abstract: The present invention provides sizing compositions and methods of using the same for glass fibers used in reinforced polymeric composites produced by reactive processing techniques.

Abstract: The present invention relates to sizing compositions, glass fibers at least partially coated with sizing compositions, and glass fiber reinforced composite materials. In one embodiment, a sizing composition comprises at least one maleic anhydride copolymer, at least one coupling agent, and a reaction product of an alkoxylated amine and a polycarboxylic acid, which is further reacted with an epoxy compound.

Abstract: The present invention is directed to sizing compositions for glass fibers and glass fiber reinforced thermoplastic resins. The sizing composition comprises a maleic anhydride copolymer. Thermoplastic polyamide resin articles reinforced with glass fibers at least partially coated with a residue of the sizing composition can demonstrate a surprising improvement in strength of the reinforced polyamide resin when lubricated with a fatty acid metal salt and in the hydrolysis resistance when exposed to boiling water/ethylene glycol medium.

Abstract: The present invention relates to sizing compositions for glass fibers and glass fiber reinforced resins. In one embodiment, the present invention provides a sizing composition comprising at least one polyvinyl alcohol in an amount greater than about 65 weight percent of the sizing composition on a total solids basis, and at least one coupling agent in an amount greater than about 5 weight percent of the sizing composition on a total solids basis. Embodiments of the present invention also relate to fiber glass strands, glass fiber reinforced resin compositions, and methods for producing composites.