Silicone polymer emulsions

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United States of America Patent

PATENT NO 9976105
SERIAL NO

12445102

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Abstract

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Silicone oil-in-water emulsions containing a polysiloxane containing polymer is prepared by first preparing a polysiloxane containing polymer by the polymerization of siloxane containing monomers and/or oligomers in the presence of an inert organopoly siloxane and/or an organic fluid, a suitable catalyst and optionally an end-blocking agent; and quenching the reaction if required. If required one or more surfactants may be introduced into the polysiloxane containing polymer to form a homogenous oil phase. Water is then added (in an amount of 0.1-10 percent by weight based on total oil phase weight) to the homogenous oil phase to form a water-in-oil emulsion. Shear is applied to the water-in-oil emulsion to cause inversion of the water-in-oil emulsion to an oil-in-water emulsion. Finally, if required the oil-in-water emulsion can be diluted by adding more water.

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Patent Owner(s)

  • DOW SILICONES CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Barnes, Kathleen Midland, US 10 44
Jensen, Jary David Beaverton, US 8 76
Rochlitz, Walker L Midland, US 3 26
Stammer, Andreas Pont-a Celles, BE 36 253

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