Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From fluorine-containing reactant
Patent
1995-02-21
1996-02-20
Dodson, Shelley A.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From fluorine-containing reactant
528328, 528341, 528344, 528347, 528367, 528388, 528403, 528408, 528411, C08G 7324
Patent
active
054930057
ABSTRACT:
Alcohol-soluble, aromatic heterocyclic copolymers having repeating units of the formula: ##STR1## wherein x has a value of 0.10 to 0.90 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 (1995-05-01), Wilkes et al.
Arnold Fred E.
Chen Jom P.
Bricker Charles E.
Dodson Shelley A.
Kundert Thomas L.
The United States of America as represented by the Secretary of
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