Copolyimide foams, precursors therefor, and processes for...

C - Chemistry – Metallurgy – 08 – L

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403/58, 18/668

C08L 79/08 (2006.01) C08G 73/10 (2006.01) C08J 9/02 (2006.01)

Patent

CA 1076749

ABSTRACT OF THE DISCLOSURE Copolyimide foams made from lower alkyl esters of tetracarboxylic acids and two or more diamines. Presursors for such copolyimides. Processes for making the precursors and for converting them to copolyimide foams.

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