Aqueous acid gels and use thereof

Details Aqueous acid gels and use thereof Aqueous acid gels and use thereof

1985-03-28

1986-11-25

Guynn, Herbert B.

Compositions

Leather or fur treating

166307, 5253266, E21B 4327

Patent

active

046247955

ABSTRACT:
Copolymers of a predominant proportion of an olefinically unsaturated sulfonic acid, an acrylamide, a vinyl phosphonic acid, and optionally other copolymerizable vinyl monomers, form aqueous acid gel compositions when added to the aqueous acid along with a gelling agent selected from titanium or zirconium compounds, and retarded gel destabilizing compounds containing fluoride, sulphate or phosphate anions, the apparent viscosity and time of stability of the acid gel composition being controlled by the addition of these essential ingredients.

REFERENCES:
patent: 3779914 (1973-12-01), Nimerick
patent: 3888312 (1975-06-01), Tiner et al.
patent: 4172041 (1979-10-01), Clampitt et al.
patent: 4324668 (1982-04-01), Harris
patent: 4500437 (1985-02-01), Engelhardt et al.
patent: 4518745 (1985-05-01), Engelhardt et al.

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