Phosphonic acid-pendent benzoxazole copolymers

Details Phosphonic acid-pendent benzoxazole copolymers Phosphonic acid-pendent benzoxazole copolymers

1995-02-21

1996-03-12

Dodson, Shelley A.

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

Synthetic resins

From carboxylic acid or derivative thereof

525435, 528171, 528172, 528173, 528183, 528186, 528328, 528341, 528342, 528344, 528347, 528352, 528367, C08G 7902

Patent

active

054987849

ABSTRACT:
Alcohol-soluble aromatic heterocyclic copolymers having repeating units of the formula: ##STR1## wherein x has a value of 0.05 to 0.50 and y has a value of 1.0-x. These copolymers are useful in the preparation of organic/inorganic hybrid materials having transparency which comprise the sol-gel derived, hydrolytically condensed reaction product of a metal alkoxide of the formula M(OR).sub.w wherein R is a lower alkyl group, M is Si, Ti, Al or a mixture thereof, and w is the valence value of M, and the above copolymer.

REFERENCES:
patent: 5316695 (1994-05-01), Wilkes et al.

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