Waterborne coating compositions having improved smoothness

Details Waterborne coating compositions having improved smoothness Waterborne coating compositions having improved smoothness

1994-03-31

1995-03-28

Szekely, Peter

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524198, 524210, 524211, 524212, 524215, 524227, 524591, 524839, 524845, 524608, C08K 516, C08K 520, C08K 521, C08L 7500

Patent

active

054017904

ABSTRACT:
Waterborne coating compositions comprising polymeric film-forming resins and about 0.1 to 5 percent by weight based on weight of resin solids of an oligomer containing from about two to four urethane, urea, or amide moieties per molecule and two or more moieties selected from the group consisting of hydroxyl and tertiary amine. The oligomer improves the smoothness of the resulting coating.

REFERENCES:
patent: 4007154 (1977-02-01), Schimmel et al.
patent: 5011881 (1991-04-01), Fujii et al.
patent: 5055542 (1991-10-01), Honel et al.
patent: 5071904 (1991-12-01), Martin et al.
Nae et al., "Rheological Properties of Associative Thickeners in Water Based Coatings," Rheology 91, 1991, vol. 1, No. 3, pp. 170-178.

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