Impact modifier for thermoplastic compositions

Details Impact modifier for thermoplastic compositions Impact modifier for thermoplastic compositions

1979-10-02

1981-07-07

Wong, Jr., Harry

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

Synthetic resins

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

C08L 5300

Patent

active

042775752

ABSTRACT:
An improved impact modifier is described. The modifier is an admixture of a diblock copolymer of polystyrene/saturated rubber with a triblock copolymer of polystyrene/ethylene-butylene rubber/polystyrene which significantly improves the properties of a polyphenylene oxide and polystyrene composition.

REFERENCES:
patent: 3231635 (1966-01-01), Holden et al.
patent: 3251905 (1966-05-01), Zelinski
patent: 3383435 (1968-05-01), Cizek
patent: 3431323 (1969-03-01), Jones
patent: 3994856 (1976-11-01), Katchman et al.
patent: 4113800 (1978-09-01), Lee
patent: 4145377 (1979-03-01), Bussink et al.
Encyclopedia of Polymer Sci. & Technology, vol. 15, Interscience, N.Y., pp. 508-530 (1970).

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