Process for preparing improved polyamides

C - Chemistry – Metallurgy – 08 – G

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402/183, 402/225

C08G 69/44 (2006.01) C08G 69/36 (2006.01)

Patent

CA 1042592

ABSTRACT OF THE DISCLOSURE A process for preparing polyamides which comprises polymerizing a polyamide-forming compound selected from the group consisting of .omega.-aminocarboxylic acids, .omega.-lactams and an equi?olar mixture of a diamine and a dicarboxylic acid and modifying the polyamide formed in the polymerization by incorpo- rating at least one compound of the formula (I) Image (I) wherein II represents an alkali metal or an alkaline earth metal; n is an integer of 2 to 4; and m is an integer of 2 or more; before, during or after the polymerization.

216759

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