Poly(aryl ether sulfone) compositions having improved flow prope

Details Poly(aryl ether sulfone) compositions having improved flow prope Poly(aryl ether sulfone) compositions having improved flow prope

1987-07-27

1989-04-04

Kight, John

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

Synthetic resins

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

525535, C08G 6548, C08L 7104

Patent

active

048188034

ABSTRACT:
Described herein are poly(aryl ether sulfone) blends possessing improved flow properties. The novel compositions contain (a) from about 80 to about 99 percent by weight of a poly(aryl ether sulfone) having a second order glass transition temperature (Tg) higher than about 230.degree. C., and (b) from about 1 to about 20 percent by weight of a second poly(aryl ether sulfone) having a Tg below about 230.degree. C. The compositions described herein retain the very attractive characteristics of their constituents, and display excellent mechanical properties and heat resistance.

REFERENCES:
patent: 4169178 (1979-09-01), Freeman
patent: 4358569 (1982-11-01), Quinn et al.
patent: 4520067 (1985-05-01), Harris et al.

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