Aromatic benzobisazole polymers and copolymers incorporating dip

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate

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528186, 528337, 528339, 528342, C08G 7532

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active

056333374

ABSTRACT:
A polymer having repeating units of the formula: ##STR1## wherein Q is ##STR2## wherein X is --NH--, --S-- or --O--. A copolymer having repeating units of the formula: ##STR3## wherein x has a value of 0.01 to 0.99 and Q is ##STR4## wherein X is --NH--, --S-- or --O--.

REFERENCES:
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