Readily processable polyimide and preparation process of same

Details Readily processable polyimide and preparation process of same Readily processable polyimide and preparation process of same

1991-08-09

1993-12-07

Kight, III, John

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

Synthetic resins

From carboxylic acid or derivative thereof

528125, 528126, 528128, 528170, 528171, 528172, 528173, 528179, 528187, 528188, 528229, 528351, C08G 6926

Patent

active

052684466

ABSTRACT:
A readily melt-processable polyimide obtained by reacting diamino-diphenyl ether with 3,3',4,4'-biphenyltetracarboxylic dianhydride in the presence of phthalic anhydride and thermally or chemically imidizing the resultant polyamic acid.

REFERENCES:
patent: 3959350 (1976-05-01), Rogers
patent: 3998786 (1976-12-01), D'Alelio
patent: 4876330 (1989-10-01), Higashi et al.
patent: 4994544 (1991-02-01), Nagahiro et al.
Patent Abstracts of Japan, vol. 13, No. 595 (C-672), Dec. 27, 1989 and JP-A-01 252 634, Oct. 9, 1989.

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