Graft copolymers of poly(p-phenylene benzbisimidazole)

Details Graft copolymers of poly(p-phenylene benzbisimidazole) Graft copolymers of poly(p-phenylene benzbisimidazole)

1989-04-28

1991-04-16

Carrillo, Ana L.

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

Synthetic resins

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

525430, 525435, C08L 7904

Patent

active

050083465

ABSTRACT:
A fusible, rod-like, graft copolymer having repeating units of the formula: ##STR1## wherein X is (--CH.sub.2 CH.sub.2 CONH--).sub.m or (--CH.sub.2 --CH(CH.sub.3)--O--).sub.n, wherein m has an average value of 5.0 to 35.0 and n has an average value of 1.0 to 30.0.

REFERENCES:
patent: 4108835 (1978-08-01), Arnold et al.
patent: 4207407 (1980-06-01), Helminiak et al.
patent: 4377546 (1983-03-01), Helminiak et al.
patent: 4398009 (1983-08-01), Ahne et al.
patent: 4544713 (1985-10-01), Tsai et al.
patent: 4614784 (1986-09-01), Kozakiewicz
patent: 4835246 (1989-05-01), Tsai et al.

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