Polyetherimides from dianhydrides containing tolane or...

C - Chemistry – Metallurgy – 07 – D

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C07D 209/48 (2006.01) C08G 73/10 (2006.01)

Patent

CA 1069513

ABSTRACT OF THE DISCLOSURE The title compounds are prepared from diamines and bis anhydrides of the formula Image where X is selected from acetylene and Image . Oxidatively stable polymers useful for injection molding or solvent coating are described.

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