Method of preparing high molecular weight polyimide, product...

C - Chemistry – Metallurgy – 08 – G

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117/196, 402/218

C08G 73/10 (2006.01)

Patent

CA 1262993

ABSTRACT OF THE DISCLOSURE A solvent polycondensation process of preparing polyimides of high molecular weight from dianhydrides and relatively unreactive diamines, where the reaction is carried out in a cresol as a solvent.

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