Silicone emulsifier composition, invert emulsions therefrom...

Details Silicone emulsifier composition, invert emulsions therefrom... Silicone emulsifier composition, invert emulsions therefrom...

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B01F 17/54 (2006.01) C08L 83/04 (2006.01) C08L 83/12 (2006.01) C09K 8/035 (2006.01) C09K 8/36 (2006.01)

Patent

CA 1188955

SILICONE EMULSIFIER COMPOSITION, INVERT EMULSIONS THEREFROM AND METHOD THEREFOR ABSTRACT An improved silicone emulsifier composition is disclosed which is particularly useful for preparing thermally stable, solids-free invert emulsions for the deep well-drilling art. The emulsifier composition comprises a surface active polydiorganosiloxane bearing one or more polyoxyalkylene radicals and one or more hydrocarbon radicals having from 6 to 18 carbon atoms and a resin component comprising (CH3)3SiO1/2 siloxane units and SiO4/2 siloxane units. Improved invert emulsions and a method for their preparation are also disclosed. The invert emulsions comprise the improved silicone emulsifier of this invention as well as a brine discontinuous phase and a liquid hydrocarbon continuous phase.

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