Method for the production of aqueous, finely dispersed, shelf-st

Details Method for the production of aqueous, finely dispersed, shelf-st Method for the production of aqueous, finely dispersed, shelf-st

1978-05-23

1980-03-25

Lovering, Richard D.

Compositions

Preservative agents

Anti-corrosion

10628716, 252314, 252321, 252358, 252DIG17, B01J 1300

Patent

active

041949889

ABSTRACT:
Method for the preparation of aqueous, finely dispersed, shelf-stable silicone oil emulsions with the use of emulsifiers. Dimethyl polysiloxanes and 0.1-0.3 part by weight of emulsifiers, based on the dimethyl polysiloxanes, of a monoester or diester of orthophosphoric acid or mixtures thereof, are mixed, with agitation at temperatures of between 20.degree. and 150.degree. C. until a clear solution is obtained; thereupon an organic base or alkali is added up to neutralization; and subsequently the neutralized mixture is diluted with water.
The monoesters and diesters of orthophosphoric acid and mixtures thereof comprising the emulsifiers are prepared by the reaction of:

REFERENCES:
patent: 2420329 (1947-05-01), Shipp et al.
patent: 2684949 (1954-07-01), McMillan et al.
patent: 2755194 (1956-07-01), Volkmann et al.
patent: 3101301 (1963-08-01), Siegal et al.
patent: 3634285 (1972-01-01), Brooks

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