Polyimides having bis-maleimide terminal groups

Details Polyimides having bis-maleimide terminal groups Polyimides having bis-maleimide terminal groups

1981-05-26

1983-11-29

Lee, Lester L.

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

Synthetic resins

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

525432, 525436, 526259, 526261, 526262, 528322, 528331, 528350, 528351, 528352, 528353, 528125, 528126, 528128, 528170, 528183, 528184, 528185, 528208, 528220, 528226, 528229, 528321, 544198, 548521, 562433, 562465, 562598, C08G 7310, C08G 7312

Patent

active

044181817

ABSTRACT:
The compositions described herein comprise polyimides having bis-maleimide terminal groups and having the formula: ##STR1## wherein Q is a trivalent aromatic radical, Ar is a divalent aromatic radical, Ar" is a tetravalent aromatic radical and n has a value of 0-20. Derivatives may be made of these compounds by homopolymerization, copolymerization with other copolymerizable materials and by reaction with Diels-Alder reactable materials.

REFERENCES:
patent: 3575924 (1971-04-01), Bargain
patent: 4187364 (1980-02-01), Darms et al.
patent: 4189560 (1980-02-01), Roth et al.
patent: 4220741 (1980-09-01), Renner et al.
patent: 4225497 (1980-09-01), Baudouin et al.
patent: 4266047 (1981-05-01), Jablonski et al.
patent: 4280946 (1981-07-01), Darms et al.
patent: 4283522 (1981-08-01), Takahashi et al.
patent: 4321198 (1982-03-01), D'Alelio et al.

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