Rheology control additive for paints

C - Chemistry – Metallurgy – 09 – D

Patent

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6/221, 400/4502,

C09D 7/02 (2006.01) C09D 7/00 (2006.01)

Patent

CA 1131407

ABSTRACT OF THE DISCLOSURE An additive for solvent or water based coating compositions which controls the sag of finishes of such compositions; wherein the additive comprises (a) a finely divided silica, (b) a polyfunctional acid or an acid anhydride and (c) an amine. High polymer solids water or solvent based coating composi- tions containing such an additive are useful for coating metal substrates such as those used in appliances, auto- mobiles and trucks.

339965

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