Silicone latex solvent thickening

Details Silicone latex solvent thickening Silicone latex solvent thickening

1996-02-05

1997-09-09

Dean, Karen A.

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...

524588, 524837, 524457, 524863, 524731, 424 59, 424 60, 424 63, 424 7803, 424407, 424486, 424401, C08K 554, A61K 742

Patent

active

056658044

ABSTRACT:
The viscosity of a solvent is modified by thickening the solvent with a silicone latex. A silicone latex having a plurality of crosslinked polysiloxane particles is first prepared by mixing the siloxane polymer, a surfactant, and water; emulsifying the mixture to a gel phase; diluting the emulsion with water; adding a cure package (i.e., a catalyst, a crosslinker, or both, or a self catalytic crosslinker); and then without removing the water from the latex and after the particles of siloxane polymer in the latex have been cured, mixing the latex and solvent to thicken the solvent, forming viscous liquids, gels, and pastes. These latex thickened solvent compositions have beneficial properties such as clarity, shelf stability, and ease of preparation; and therefore have wide areas of application, especially as additives in antiperspirants, deodorants, and other personal care applications.

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patent: 5266321 (1993-11-01), Shukuzaki et al.
patent: 5399342 (1995-03-01), Krzysik

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