Shaped structures in aromatic copolyamides, and process for...

Details Shaped structures in aromatic copolyamides, and process for... Shaped structures in aromatic copolyamides, and process for...

C - Chemistry, Metallurgy

08

G

402/245

C08G 69/32 (2006.01)

Patent

CA 1269482

HOE 85/F 054 K Abstract of the disclosure The invention relates to filaments, fibers, pulps, films and sheets from a copolyamide which has at least the recurring structural units of the formulae A - OC - Ar - CO - B - NH - AR' - NH - C Image D and in which the diamine components B, C and D relative to the total amount of diamine components in mol-% are within a predetermined domain. Such copolyamides can be produced from the corresponding diamines and dicarbonyl dichlorides in aprotic solvents in the presence or absence of metal halides of the first or second group of the periodic table. The spinning solutions obtainable therein can be processed in conventional manner into the claimed shaped structures.

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