Flame retardant ternary blends of polyetherimide, polyphenylene

Details Flame retardant ternary blends of polyetherimide, polyphenylene Flame retardant ternary blends of polyetherimide, polyphenylene

1987-12-30

1989-10-10

Ziegler, Jacob

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

Synthetic resins

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

525397, 525905, C08L 5300, C08L 7104

Patent

active

048732877

ABSTRACT:
The present invention relate to a ternary polymer blend containing in admixture (a) a polyetherimide; (b) a polyphenylene ether; and (c) a block copolymer of a vinyl aromatic compound and an alkene compound. These ternary blends exhibit high glass transition temperatures and excellent flexural properties.

REFERENCES:
patent: 3660531 (1972-05-01), Lauchlan et al.
patent: 4431779 (1984-02-01), White
patent: 4587299 (1986-05-01), Giles, Jr.

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