Microencapsulation by interfacial polymerization of a...

Details Microencapsulation by interfacial polymerization of a... Microencapsulation by interfacial polymerization of a...

B - Operations, Transporting

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117/46.7

B01J 13/02 (2006.01) A23K 1/00 (2006.01) A61K 9/50 (2006.01) B01J 13/16 (2006.01)

Patent

CA 1186567

- 14 - A B S T R A C T MICROENCAPSULATION PROCESS In a microencapsulation process involving an interfacial polymerization reaction between a compound containing amine groups and a polybasic acid chloride or anhydride, the polymerization being carried out in an emulsion of an aqueous solution in a hydrophobic organic liquid, the reaction is terminated by introduc- ing water into the hydrophobic phase of the emulsion where it reacts with and destroys the residual acid chloride or anhydride.

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