Polyamide prepared in the presence of sulfopolyester

Details Polyamide prepared in the presence of sulfopolyester Polyamide prepared in the presence of sulfopolyester

1974-12-26

1978-04-11

Anderson, Harold D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

8178R, 8179, 260 308R, 260 75N, 260 75S, 260 78R, 260 78A, 260 78L, 260 78S, C08L 7700

Patent

active

040838943

ABSTRACT:
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 equimolar mixture of a diamine and a dicarboxylic acid and modifying the polyamide formed in the polymerization by incorporating at least one compound of the formula (I) ##STR1## wherein M 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.

REFERENCES:
patent: 3734874 (1973-05-01), Kibler et al.
patent: 3779993 (1973-12-01), Kibler et al.
patent: 3899470 (1975-08-01), McGee et al.
patent: 3900527 (1975-08-01), King et al.

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