Emulsifier for water-in-oil emulsions

Details Emulsifier for water-in-oil emulsions Emulsifier for water-in-oil emulsions

1988-04-04

1990-07-24

Thexton, Matthew A.

Compositions

Inorganic luminescent compositions

Tungsten containing

252314, 252356, 426662, B01F 1714

Patent

active

049433890

ABSTRACT:
A unique and improved emulsifier for water-in-oil emulsions is provided by heating lecithin for a period of time sufficient to alter its composition such that the improved emulsifier is obtained. For example, the lecithin can be heated at a temperature in the range of from about 100.degree. C. to about 250.degree. C. for a period of time ranging from about 15 to about 480 minutes. The resultant thermally altered lecithin exhibits improved emulsification characteristics for water-in-oil emulsions. A water-in-oil emulsion comprised of a continuous oil phase, a discontinuous aqueous phase and the thermally altered lecithin exhibits excellent stability and an improved holding capacity with respect to the discontinuous aqueous phase.

REFERENCES:
patent: 2223558 (1938-03-01), Epstein
patent: 2552706 (1946-03-01), Bertram
patent: 2577218 (1947-12-01), Waarden
patent: 2907777 (1959-10-01), Cole
patent: 3026341 (1962-03-01), Davis
patent: 3248230 (1966-04-01), Houben et al.
patent: 3318704 (1967-05-01), Eichberg
patent: 3505074 (1970-04-01), Pardun
patent: 3962292 (1976-06-01), Szuhaj et al.
patent: 4330422 (1982-05-01), Tesch
patent: 4400295 (1983-08-01), Ootsu et al.

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