High strength fiber or film of aromatic copolyamide with pendant

Details High strength fiber or film of aromatic copolyamide with pendant High strength fiber or film of aromatic copolyamide with pendant

1989-12-05

1991-06-25

Anderson, Harold D.

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

Synthetic resins

From carboxylic acid or derivative thereof

264178F, 528182, 528183, 528184, 528331, C08G 6932

Patent

active

050268198

ABSTRACT:
The reactivity of aromatic copolyamide fiber and film is enhanced by incorporation of small amounts of 4,4'-diaminodiphenic acid units in the polymer chain.

REFERENCES:
patent: 3386965 (1968-06-01), Huffman et al.
Hinderer et al., "Aromatic Copolyamides Containing Pendent Carboxyl Groups", Applied Polymer Symposium, No. 21, 1-9 (1973).

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