Processable high temperature polymers

Details Processable high temperature polymers Processable high temperature polymers

C - Chemistry, Metallurgy

08

G

402/2, 400/7001,

C08G 73/06 (2006.01) C08G 73/00 (2006.01) C08L 79/04 (2006.01)

Patent

CA 1061929

Abstract of the Disclosure This invention provides compositions containing amine terminated high temperature prepolymers such as poly- imides, polyamide-imides or the corresponding polyamide- acids in combination with cyanamides of polyfunctional secondary amines and the crosslinked polymers obtained there- from. These cyanamides are reactive fluxes which facilitate processing of the high temperature prepolymer resin by lowering the softening temperature under processing condi- tions, and they also chainextend and cross-link the pre- polymer resin.

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