Process for making polyimide-polyamic ester copolymers

Details Process for making polyimide-polyamic ester copolymers Process for making polyimide-polyamic ester copolymers

C - Chemistry, Metallurgy

08

G

C08G 69/26 (2006.01) C07F 9/653 (2006.01) C08G 69/28 (2006.01) C08G 73/10 (2006.01) C08G 73/12 (2006.01) C08G 73/16 (2006.01)

Patent

CA 2280858

A process for making polyimide-polyamic ester copolymer composition comprising reacting at least one diamine, a pyromellitic diacid diester compound; at least one other tetracarboxylic diacid diester compound and a selected phosphoramide in the presence of a base catalyst to form a polyimide-polyamic acid ester copolymer.

Ce procédé de production de composition à base de copolymère d'ester polyimide-polyamique consiste à faire réagir au moins une diamine, un composé diester diacide pyromellique, au moins un autre composé diester diacide tétracarboxylique et un phosphoramide sélectionné en présence d'un catalyseur basique et ce, pour obtenir un copolymère d'ester polyimide-polyamique.

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