Thickening agent for aqueous compositions

Details Thickening agent for aqueous compositions Thickening agent for aqueous compositions

1980-04-10

1982-09-28

Michl, Paul R.

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...

526313, 526317, 524446, 524558, C08K 336

Patent

active

043517544

ABSTRACT:
A mixture of a water swellable clay mineral and an alkali soluble and thickenable (meth)acrylic acid emulsion copolymer provides a highly effective thickening and gelling agent for aqueous systems at low concentrations. The gels are self-supporting and have high strength and thus are particularly useful as air fresheners and other applications where firm gels are desirable. A synergistic thickening effect between the (meth)acrylic acid copolymer and the clay mineral is observed.

REFERENCES:
patent: 3652497 (1972-03-01), Junas
patent: 3657175 (1972-04-01), Zimmerman
patent: 3779970 (1973-12-01), Evani
patent: 3891591 (1975-06-01), Chang
patent: 3894980 (1975-07-01), DeTommaso
patent: 3960935 (1976-06-01), Samour
patent: 4138381 (1979-02-01), Chang

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