Pendant benzazole rigid-rod aromatic heterocyclic polymer

Details Pendant benzazole rigid-rod aromatic heterocyclic polymer Pendant benzazole rigid-rod aromatic heterocyclic polymer

1987-08-13

1989-05-30

Anderson, Harold D.

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

Synthetic resins

From carboxylic acid or derivative thereof

528179, 528183, 528193, 528206, 528207, 528208, 528336, 528342, C08G 6900, C08G 7308

Patent

active

048352462

ABSTRACT:
Provided are novel para-ordered aromatic heterocyclic polymers having repeating groups of the following formula ##STR1## wherein Y is --O--, --S--, or --NH--, n is 1 or 2, and Q is ##STR2## wherein Z is --O-- or --S--. There are also provided methods for preparing the above polymers.

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