Polymer blends

C - Chemistry – Metallurgy – 08 – L

Patent

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Details

C08L 77/00 (2006.01) C08L 27/02 (2006.01) C08L 27/04 (2006.01) C08L 27/06 (2006.01) C08L 27/08 (2006.01) C08L 73/00 (2006.01) C08L 77/02 (2006.01) C08L 77/06 (2006.01)

Patent

CA 2226674

Halide polymers such as polyvinyl chloride and polyamides melt blended at a polyamide to halide polymer weight ratio of about 1.5:1 to about 2:1 with an effective amount of a carboxyl and/or CO-functional ethylene polymer to compatibilize the halide polymer and polyamide exhibit superior chemical resistance.

L'invention porte sur un mélange de polymères halogénés du type chlorure de polyvinyle et de polyamides fondus dans un rapport polyamide/polymère halogéné d'environ 1,5/1 à 2/1, avec adjonction d'une quantité efficace d'un carboxyle et/ou d'un polymère d'éthylène à fonctionnalité CO compatibilisant le polymère halogéné et le polyamide. Ledit mélange se caractérise par sa résistance élevée aux produits chimiques.

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