Yarn with improved hydrolytic stability from aromatic polyamide

Details Yarn with improved hydrolytic stability from aromatic polyamide Yarn with improved hydrolytic stability from aromatic polyamide

1989-05-10

1991-03-26

Anderson, Harold D.

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

Synthetic resins

From carboxylic acid or derivative thereof

525432, 528339, C08G 6932

Patent

active

050030361

ABSTRACT:
Aromatic polyamide fibers of high hydrolytic stability are disclosed. The polyamide is a copolymer including chloroterephthalamide or a blend of homopolymers including one with chloroterephthalamide; and the fibers are dried under tension or heat treated.

REFERENCES:
patent: 3063966 (1962-11-01), Kwolek et al.
patent: 3560137 (1971-02-01), Hahn
patent: 3671542 (1972-06-01), Kwolek
patent: 3767756 (1973-10-01), Blades
patent: 3869429 (1975-03-01), Blades
patent: 3869430 (1975-04-01), Blades
The Condensed Chemical Dictionary, Eighth Edition, 1971, p. 448.

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