Cross-linked polymer from aromatic dicarboxylic acid anhydride i

Details Cross-linked polymer from aromatic dicarboxylic acid anhydride i Cross-linked polymer from aromatic dicarboxylic acid anhydride i

1987-04-17

1989-02-28

Anderson, Harold D.

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

Synthetic resins

From carboxylic acid or derivative thereof

528321, C08G 7310

Patent

active

048086959

ABSTRACT:
A cross-linked polyamide which is preparable by the reaction of a polyimide with a polyamine wherein the functionality of one of the aforesaid reagents is at least two and the functionality of the other reagent is more than two. The cross-linked polyamides are useful as the matrix in high-performance, e.g. carbon fiber, composites.

REFERENCES:
patent: 3669930 (1972-06-01), Asahara et al.
patent: 3883486 (1975-05-01), Bargain
patent: 4266047 (1981-05-01), Jablonski et al.
patent: 4283522 (1981-08-01), Takahashi et al.
patent: 4299946 (1981-11-01), Balme et al.
patent: 4731436 (1988-03-01), Ling

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