摘要 |
PCT No. PCT/GB82/00249 Sec. 371 Date Apr. 6, 1983 Sec. 102(e) Date Apr. 6, 1983 PCT Filed Aug. 9, 1982 PCT Pub. No. WO83/00449 PCT Pub. Date Feb. 17, 1983.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 introducing water into the hydrophobic phase of the emulsion where it reacts with and destroys the residual acid chloride or anhydride.
|