Hydrolysis-stable polyamides

Details Hydrolysis-stable polyamides Hydrolysis-stable polyamides

1993-04-19

1994-11-01

Kight, III, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

528315, 525420, 525424, 524195, C08G 6948, C08L 7706

Patent

active

053608887

ABSTRACT:
Polyamides stabilized to hydrolysis at high temperatures, particularly in an acidic medium, containing 0.1 to 5% by weight based on polyamide of a polymeric aromatic carbodiimide.

REFERENCES:
patent: 3637608 (1972-01-01), Schaaf et al.
patent: 4128599 (1978-12-01), Thomas et al.
patent: 4169866 (1979-10-01), von Bonin et al.
patent: 4645823 (1987-02-01), Ai et al.
patent: 4772649 (1988-09-01), Andrews et al.
patent: 4861828 (1989-08-01), Waggoner
patent: 4987168 (1991-01-01), Kershbaumer

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