Rheology control additive for coating compositions of silica...

Details Rheology control additive for coating compositions of silica... Rheology control additive for coating compositions of silica...

C - Chemistry, Metallurgy

09

D

117/183, 400/401

C09D 7/12 (2006.01) C08K 3/36 (2006.01) C09D 7/00 (2006.01)

Patent

CA 1213689

TITLE A Rheology Control Additive for Coating Compositions Of Silica and Polyvinyl Pyrrolidone ABSTRACT OF THE DISCLOSURE A rheology control additive for coating compositions of (1) colloidal silica and (2) a polyvinyl pyrrolidone having a weight average molecular weight of about 3,000-500,000; high solids coating compositions containing the additive have excellent rheology control and can be used as exterior finishes on automobiles and trucks.

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