Rheological additive for coating compositions

Details Rheological additive for coating compositions Rheological additive for coating compositions

1990-06-18

1991-07-23

Schofer, Joseph L.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524241, 524244, 524245, 524251, 524252, 524306, 524597, 524556, 524538, 524563, C08K 520

Patent

active

050344447

ABSTRACT:
A rheological additive for non-aqueous coating compositions is disclosed. The additive may be the reaction product of an alkoxylated aliphatic nitrogen-containing compound, an aliphatic diamine or mixtures thereof, and an organic polycarboxylic anhydride or acid, an alkanediol polyepoxide ether, or mixtures thereof. The additive provides excellent anti-sag and storage stability properties, particularly for high solids coating compositions, without causing a significant increase in viscosity. Also disclosed are coating compositions containing the additive.

REFERENCES:
patent: 3459585 (1966-12-01), Killmeyer et al.

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