Method of thickening aqueous latex compositions

Details Method of thickening aqueous latex compositions Method of thickening aqueous latex compositions

1983-09-19

1985-03-12

Lieberman, Paul

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524493, 106 1414, 106 1444, C08K 336

Patent

active

045046140

ABSTRACT:
A method of thickening an acidic aqueous coating composition comprising tannic and a latex of a film-forming polymer substantially free from non-ionic surfactants, characterized in that a water-soluble thickening agent for the aqueous latex which is noncomplexing with tannic acid is incorporated into the aqueous composition in the form of a gel-like aqueous dispersion containing evenly dispersed particles of fumed silica, said thickening agent also being compatible with the tannic acid as used in the aqueous coating composition. The thickened acidic aqueous coating composition so produced is storage stable.

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