Method of making silicone in water emulsions

Details Method of making silicone in water emulsions Method of making silicone in water emulsions

1998-04-20

2000-01-11

Brouillette, D. Gabrielle

Colloid systems and wetting agents; subcombinations thereof; pro

Continuous liquid or supercritical phase: colloid systems;...

Aqueous continuous liquid phase and discontinuous phase...

528 15, 528 31, 524862, B01F 1700

Patent

active

060136820

ABSTRACT:
Described is a method of making a silicone in water emulsion. The method comprises mixing (I) a composition containing at least one polysiloxane, at least one organosilicon material that reacts with said polysiloxane by a chain extension reaction and a metal containing catalyst for said chain extension reaction, (II) at least one surfactant and (III) water to form a mixture. The mixture is emulsified to form an emulsion which can have a wide variety of silicone volume fractions, a broad range of mono-disperse particle sizes and a wide variety of molecular weight polymers.

REFERENCES:
patent: 2823218 (1958-02-01), Speier
patent: 3419593 (1968-12-01), Willing
patent: 4248751 (1981-02-01), Willing
patent: 5026769 (1991-06-01), Liles
patent: 5035832 (1991-07-01), Takamura et al.
patent: 5087443 (1992-02-01), Chizat et al.

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