Fluorine-containing polyamide-acid derivative and polyimide

Details Fluorine-containing polyamide-acid derivative and polyimide Fluorine-containing polyamide-acid derivative and polyimide

1986-09-08

1988-07-26

Anderson, Harold D.

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

Synthetic resins

From carboxylic acid or derivative thereof

528352, C08G 7310

Patent

active

047601264

ABSTRACT:
A polyimide or polyamic acid synthesized from a diamine, which may be fluorinated, and a dianhydride of the following formula: ##STR1## where R.sub.f =perfluoroalkylene and Y.sub.1 and Y.sub.2 are independently oxy-carbonyl or thiocarbonyl.

REFERENCES:
patent: 3899517 (1975-08-01), Fletcher et al.
patent: 3959350 (1976-05-01), Rogers
patent: 4111906 (1978-09-01), Jones et al.
patent: 4196277 (1980-04-01), Jones et al.
patent: 4477648 (1984-10-01), Jones et al.

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