Process for preparing polyamides having a modified dye affinity

Details Process for preparing polyamides having a modified dye affinity Process for preparing polyamides having a modified dye affinity

C - Chemistry, Metallurgy

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C08G 63/68 (2006.01) C08G 69/26 (2006.01) C08G 69/42 (2006.01) D06M 13/192 (2006.01) D06M 13/256 (2006.01)

Patent

CA 1162348

Abstract of the Disclosure Polyamides having a modified dye affinity are disclosed as prepared by polymerizing polyamide-forming monomers with a mixture consisting or consisting essentially of a dicarboxylic acid having the general formula HOOC-R-COOH, in which R is an aromatic, cyclo-aliphatic or aliphatic radical, and of a salt of a sulphonic dicarboxylic acid having the general formula: I Image in which R has the meaning specified hereinbefore, X is an alkali or alkaline earth metal or ammonium, and n is a whole number from 1 to 4.

371898

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