Process of preparing coating compositions comprising polyvinyl b

Details Process of preparing coating compositions comprising polyvinyl b Process of preparing coating compositions comprising polyvinyl b

1981-08-27

1983-05-10

Bleutge, John C.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523334, 524379, 524389, 524391, 524493, 524503, 524557, C08K 336, C08K 505

Patent

active

043830579

ABSTRACT:
A coating composition comprising a mixture of an organic solvent solution of polyvinyl butyral and an alcoholic dispersion of substantially spherical colloidal silica. The solid content in said mixture is consisted of 20 to 95% by weight of polyvinyl butyral and 80 to 5% by weight of silica.

REFERENCES:
patent: 3476827 (1969-11-01), Engelhardt
patent: 3652379 (1972-03-01), White et al.
patent: 4322468 (1982-03-01), Raghaua
Derwent Abst. 74578D/41, ASAHI Glass, (J56106969), (Aug. 1981).
Derwent Abst. 47368D/26, Sadomskii, (SU-770641), (Oct. 1980).
Derwent Abst. 27832W/17, (DT244651), Van Grinten Equiv., (G.B. 1478474), Apr. 1975.

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