Copolymers of vinyl styrlpyridines or vinyl stilbazoles with bis

Details Copolymers of vinyl styrlpyridines or vinyl stilbazoles with bis Copolymers of vinyl styrlpyridines or vinyl stilbazoles with bis

1983-11-18

1985-07-02

Wong, Jr., Harry

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

525186, 526262, 526265, C08F22240, C08F22606

Patent

active

045269254

ABSTRACT:
Vinyl pyridines including vinyl stilbazole materials and vinyl styrylpyridine oligomer materials are disclosed. These vinylpyridines form copolymers with bismaleimides which copolymers have good fire retardancy and decreased brittleness. The cure temperatures of the copolymers are substantially below the cure temperatures of the bismaleimides alone. Reinforced composites made from the cured copolymers are disclosed as well.

REFERENCES:
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patent: 3752794 (1973-08-01), Bacskai
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patent: 3810872 (1974-05-01), Chapurlat et al.
patent: 3994862 (1976-11-01), Ropars et al.
patent: 4229515 (1980-10-01), Petrak
Hamermesh et al., Development of Synthesis Specifications & Curing Process for Modified Polystyryl Pyridine, SC 5276.15 FR (Phl), report for Period 8-18-80 through 11-30-81, (Dec. 1981), pp. i-V; 1-36; Rockwell International Science Center.

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