Polyesters having improved impact strength

Details Polyesters having improved impact strength Polyesters having improved impact strength

1988-07-01

1990-12-11

Short, Patricia

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525 64, C08F25506

Patent

active

049772171

ABSTRACT:
A polyester composition and method having improved unnotched Izod impact strength in which the polyester matrix is blended with an EPDM interpolymer grafted with an ester of acrylic or methacrylic acid and cross-linked with a diamine or diacid or its anhydride before or preferably after blending.

REFERENCES:
patent: 3862265 (1975-01-01), Steinkamp
patent: 3868433 (1975-02-01), Bartz
patent: 3886227 (1975-05-01), Van Brederode
patent: 3953541 (1976-04-01), Fuji
patent: 4026967 (1977-05-01), Flexman
patent: 4172859 (1979-10-01), Epstein
patent: 4558096 (1985-12-01), Boon

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