Polyurethane/polyalkylamine polymer compositions and...

Details Polyurethane/polyalkylamine polymer compositions and... Polyurethane/polyalkylamine polymer compositions and...

C - Chemistry, Metallurgy

08

L

C08L 75/04 (2006.01) A62D 5/00 (2006.01) C08L 79/02 (2006.01)

Patent

CA 2602130

This invention relates to a polymer composition useful as a chemical barrier, and films, laminates, and articles comprising the polymer composition and methods for making the polymer composition; the polymer composition comprising: a polyurethane network having a polyalkylamine incorporated therein, wherein the polymer composition, after contact with boiling water for 5 minutes, has less than a 50 percent loss in weight of the polyalkylamine.

La présente invention se rapporte à une composition polymère utile en tant que barrière chimique, et à des films, à des stratifiés et à des articles contenant ladite composition polymère, ainsi qu'à des procédés de fabrication de ladite composition polymère. La composition polymère selon l'invention contient un réseau polyuréthanne renfermant une polyalkylamine, et présente, après avoir été mise en contact pendant 5 minutes avec de l'eau bouillante, une perte de poids de ladite polyalkylamine inférieure à 50 %.

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