Filament-, fiber- or film-forming aromatic copolyamide from arom

Details Filament-, fiber- or film-forming aromatic copolyamide from arom Filament-, fiber- or film-forming aromatic copolyamide from arom

1988-12-29

1990-06-05

Anderson, Harold D.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

4284744, 528183, 528340, 528348, C08G 6932

Patent

active

049315331

ABSTRACT:
Filaments, fibers and films from aromatic copolyamides (polyaramids) of the dicarboxylic acid/diamine type of at least four aromatic monomeric compounds of A', B', C' and D' which each contain a group of the following formulae:

REFERENCES:
patent: 4196144 (1980-04-01), Darms
patent: 4221903 (1980-09-01), Elfert et al.
patent: 4758651 (1988-07-01), Sikkema
patent: 4847354 (1989-07-01), Keil et al.

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