Intermediate for composite of polymaleimide, polycyanate, epoxy

Details Intermediate for composite of polymaleimide, polycyanate, epoxy Intermediate for composite of polymaleimide, polycyanate, epoxy

1989-03-09

1991-03-26

Bleutge, John C.

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

Synthetic resins

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

525530, 523466, 428251, 428254, 428273, 428283, 428285, 428290, 428902, C08L 6310, C08L 6702

Patent

active

050030132

ABSTRACT:
An intermediate for a composite material is described, comprising a reinforcing material impregnated with a resin composition which comprises: (A) 100 parts by weight of a mixture of (I) a polyfunctional maleimide and (II) a polyfunctional cyanate or an oligomer thereof, or a preliminary reaction product of (I) and (II); (B) from 5 to 100 parts by weight of an epoxy compound; and (C) from 5 to 50 parts by weight of a polyester compound.

REFERENCES:
patent: 4110364 (1978-08-01), Gaku et al.
patent: 4429112 (1984-01-01), Gaku et al.
Chemical Abstracts, vol. 92, No. 6, 1980, p. 72, abstract no. 43372q, Gaku et al., "Organocyanate Coating Compositions".
Chemical Abstracts, vol. 100, No. 2, 1984, p. 47, abstract no. 7858c, Mitsui Petrochemical Ind., "Heat-Resistant Resin Compositions".
Chemical Abstracts, vol. 103, No. 4, 1985, p. 39, abstract no. 23471p, Toho Beslon Co., "Prepregs for Impact-Resistant Composite Materials".

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