Phthalocyanine polymers

Details Phthalocyanine polymers Phthalocyanine polymers

1982-11-10

1985-02-12

Lee, Lester L.

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

Synthetic resins

From ketone or ketene reactant

528125, 528126, 528128, 528166, 528185, 528186, 528187, 528226, 528352, 528353, C08G 7310, C08G 7320

Patent

active

044992602

ABSTRACT:
Method of forming 4,4',4",4'"-tetraamino phthalocyanines by reducing 4,4',4",4'"-tetranitro phthalocyanines, polymerization of the metal tetraamino phthalocyanines with a tetracarboxylic dianhydride (preferably aromatic) or copolymerization with a tetracarboxylic dianhydride and a diamine (preferably also aromatic) to produce amic acids which are then dehydrocyclized to imides. Thermally and oxidatively stable polymers result which form tough, flexible films, etc.

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