N,N'-bis(maleimide)/hindered diamine copolymerizate

Details N,N'-bis(maleimide)/hindered diamine copolymerizate N,N'-bis(maleimide)/hindered diamine copolymerizate

1991-11-05

1993-04-27

Anderson, Harold D.

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

Synthetic resins

From carboxylic acid or derivative thereof

528170, 528314, C08G 7312

Patent

active

052063380

ABSTRACT:
Novel imido copolymers having improved thermal properties and well adapted for the production, e.g., of molded and cellular shaped articles, and laminates, are formed from (a) at least one N,N'-bis(maleimide), (b) at least one hindered diprimary diamine, e.g., of 4,4'-diamino-3,3',5,5'-tetraalkyldiphenylmethane or 1,3- or 1,4-(diamino)trialkylbenzene type, and, optionally, either (c.sub.1) at least one N-[(meth)allyloxyphenyl]maleimide or (c.sub.2) admixture of at least one N-[(meth)allyloxyphenyl]maleimide with at least one N-[(meth)allyloxymono/di(meth)allylphenyl]maleimide.

REFERENCES:
patent: 4035345 (1977-07-01), Ducloux et al.
patent: 4435560 (1984-03-01), Takahashi et al.
patent: 4777237 (1988-10-01), Dien et al.

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