Sizing compositions and glass fiber reinforced thermoplastic...

Details Sizing compositions and glass fiber reinforced thermoplastic... Sizing compositions and glass fiber reinforced thermoplastic...

C - Chemistry, Metallurgy

03

C

C03C 25/28 (2006.01) C03C 25/36 (2006.01) C08J 5/08 (2006.01)

Patent

CA 2671889

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.

Cette invention concerne des compositions d'apprêt, des fibres de verre au moins partiellement recouvertes de compositions d'apprêt, et des matériaux composites renforcés en fibres de verre. Dans un mode de réalisation, une composition d'apprêt comprend au moins un copolymère d'anhydride maléique, au moins un agent de couplage et un produit réactionnel d'une amine alcoxylée et d'un acide polycarboxylique, qui réagit ensuite avec un composé époxy.

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