Process for microencapsulation using oil-soluble emulsifiers

Details Process for microencapsulation using oil-soluble emulsifiers Process for microencapsulation using oil-soluble emulsifiers

1995-10-06

1997-07-22

Lovering, Richard D.

Plastic and nonmetallic article shaping or treating: processes

Encapsulating normally liquid material

Liquid encapsulation utilizing an emulsion or dispersion to...

424497, 503215, 512 4, 514963, B01J 1316, A61K 950

Patent

active

056501021

ABSTRACT:
In the process for the preparation of microcapsule dispersions by an interface polyaddition process in which an oil-in-water emulsion is prepared from an oily phase, which comprises the substance to be encapsulated and a lipophilic substance capable of polyaddition, and on aqueous phase, and the reaction partner required for the polyaddition is then added to the aqueous phase, capsules with smaller particle sizes are obtained, with a saving in emulsifying energy, if an oil-soluble emulsifier is added to the oily phase before the emulsification.

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Patent Abstracts of Japan, vol. 106, No. 128, abstract of JP 03-293,025 (1991).
Patent Abstracts of Japan, vol. 6, No. 68, abstract of JP 57-7,234 (1982).

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