Process for preparing oil-in-water emulsion

Details Process for preparing oil-in-water emulsion Process for preparing oil-in-water emulsion

1981-06-03

1983-04-19

Phynes, Lucille M.

Compositions

Preservative agents

Anti-corrosion

252312, B01J 1300

Patent

active

043805035

ABSTRACT:
The invention relates to a process for the preparation of fine-particulate, stable emulsions of the oil-in-water type, in which the quantity of emulsifier required to achieve a stable emulsion is distributed in about 0.5 to 3 times the amount of water by weight, based upon the weight of the emulsifier, the emulsifying amount of the oleic phase is introduced into the foregoing dispersion, homogenization is performed under the effect of high shear stresses until a uniform gel is obtained, the gel so obtained is forced through a slotted disk comprising a plurality of holes less than 10 mm in diameter and into the residual amount of water, and the emulsion so generated is stirred while avoiding high shear stresses until the gel particles are completely dissolved. The process makes it possible to obtain fine-particulate, storage-stable and dilutable oil-in-water emulsions using only very small quantities of emulsifier.

REFERENCES:
patent: 3361680 (1968-01-01), Bohrer
patent: 3635834 (1972-01-01), Cilento et al.
patent: 3709664 (1973-01-01), Krekeler et al.
patent: 4000086 (1976-12-01), Stoev et al.
patent: 4026817 (1977-05-01), Ciuti et al.

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