Polyamic acid and polyimide from fluorinated reactant

Details Polyamic acid and polyimide from fluorinated reactant Polyamic acid and polyimide from fluorinated reactant

1995-05-16

1998-07-14

Seidleck, James J.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

430283, 430296, 528353, 524607, G03C 173, G03C 1725

Patent

active

057801991

ABSTRACT:
Copolyamic acid is obtained from tetracarboxylic acid dianhydride, diamine and a fluorinated diamine and/or fluorinated tetracarboxylic acid dianhydride; and optionally ester or amine salt derivative thereof to obtain radiation sensitive polymer; and low optical high thermally stable polyimide from curing the above polyamic acid and/or derivative thereof.

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