Polyamide from arylene diamine, isophthalic acid and alkylene di

Details Polyamide from arylene diamine, isophthalic acid and alkylene di Polyamide from arylene diamine, isophthalic acid and alkylene di

1976-03-08

1978-02-07

Anderson, Harold D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 334R, 260 47CZ, 260 47CB, 260 63N, 260 65, 428474, C08G 6926

Patent

active

040726657

ABSTRACT:
Novel copolyamides having the recurring unit ##STR1## are disclosed wherein R, in 60 percent to 85 percent of the recurring units, is --CH.sub.2 --.sub.x wherein x is an integer from 7 to 12 inclusive, and, in 15 percent to 40 percent of the recurring units, R is m-phenylene; and Ar is an arylene radical. The copolyamides are characterized by ease of melt processing such as in molding, extruding, and injection molding, while at the same time possessing good high temperature stability, and being further characterized by unexpectedly high impact and flexural strengths.

REFERENCES:
patent: 3408334 (1968-10-01), Caldwell et al.
patent: 3673162 (1972-06-01), Buckley et al.
patent: 3723396 (1973-03-01), Jones et al.
patent: 3816369 (1974-06-01), Thomas et al.
patent: 3960819 (1976-06-01), Jones et al.

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