Low glass transition temperature aromatic polyamide

Details Low glass transition temperature aromatic polyamide Low glass transition temperature aromatic polyamide

1988-08-15

1990-03-20

Anderson, Harold D.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528125, 528171, 528172, 528173, 528331, 528348, 562429, 562430, 562433, 562452, 562457, 562458, C08G 6932

Patent

active

049102826

ABSTRACT:
There is provided an aromatic polyamide having repeating units of the formula: ##STR1## wherein X is -O-, -S-, -CO- or -SO.sub.2 - and y has a value of 1 or 2. Also provided is an aromatic polyamide having repeating units of the formula: ##STR2## and a new composition of matter 3-[4-(3-aminophenoxy benzoyl)phenoxy] benzoic acid.

REFERENCES:
patent: 3408334 (1968-10-01), Caldwell et al.
patent: 4367329 (1983-01-01), Sankaran et al.
patent: 4429109 (1984-01-01), Curatolo et al.
patent: 4713438 (1987-12-01), Harris et al.
patent: 4728548 (1988-03-01), Davis

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