Compatibilized resin blends and the preparation thereof

Details Compatibilized resin blends and the preparation thereof Compatibilized resin blends and the preparation thereof

C - Chemistry, Metallurgy

08

L

C08L 75/04 (2006.01) C08L 23/04 (2006.01) C08L 23/10 (2006.01)

Patent

CA 2391561

The present invention is a blend of a polymeric hydrocarbon and a thermoplastic polyurethane which is a compatibilized polymeric hydrocarbon that contains low concentrations of isocyanate reactive group. The compatibilizer can be prepared by reacting a modified polymer having pendant or incorporated amine-reactive groups with a hydroxyl amine, a diamine, or a polyethermonoamine. The compatibilized blend may further include a non-TPU engineering thermoplastic to form compatible blends of the polymeric hydrocarbon and the non-TPU engineering thermoplastic. In this case, the TPU is used as a co-compatibilizer.

La présente invention est un mélange d'un hydrocarbure polymère et d'un polyuréthanne thermoplastique, lequel est un hydrocarbure polymère rendu compatible contenant de faibles concentrations d'un groupe réactif à l'isocyanate. L'agent compatibilisant peut être préparé par réaction d'un polymère modifié présentant des groupes pendants ou réactifs à des amines incorporées avec une hydroxylamine, une diamine ou une polyéthermonoamine. Le mélange rendu compatible peut également contenir un thermoplastique d'ingénierie non-TPU pour former des mélanges compatibles de l'hydrocarbure polymère et du thermoplastique d'ingénierie non-TPU. Dans ce cas, le TPU est utilisé en tant que co-agent de compatibilité.

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