Iminoimidazolidinedione polymers containing imide groups

Details Iminoimidazolidinedione polymers containing imide groups Iminoimidazolidinedione polymers containing imide groups

C - Chemistry, Metallurgy

08

G

402/171, 402/217

C08G 18/00 (2006.01) C08G 73/06 (2006.01) D01F 6/78 (2006.01)

Patent

CA 1046192

ABSTRACT Novel iminoimidasolidinedione polymers containing imide groups (hereinafter PIPA-IM) are prepared from mixtures of dianhydrides, hydrogen cyanide and diisocyanates in an appropriate solvent and with an appropriate catalyst. The cyanide ion is an affective catalyst for all of the reactions involved.

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