Polymer blends
AssigneeE. I. Du Pont de Nemours and Company
InventorGeorge Henry Hofmann
Life of this patent
Estimating the term…
Abstract
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.
Claims10
A composition comprising vinyl or vinylidene halide polymer, thermoplastic polyamide and ethylene polymer having carbon monoxide and/or carboxyl functionality to compatibilize the halide polymer with the polyamide upon melt blending, wherein the polyamide is melt processible at a temperature of less than about 220.degree. C. and is present in a weight amount of about 1.5 to about 2 times the weight amount of the halide polymer, and the ethylene polymer is present in an effective amount up to about 80 weight percent of the halide polymer.
Dependencies are inferred from the claim text.