It was prepared the membrane to airtightness by the production mannered null coacervation

摘要

PROBLEM TO BE SOLVED: To make a film of a microcapsule produced by coacervation method airtight.;SOLUTION: The microcapsule film of which is made airtight can be obtained by coating the microcapsule produced by the coacervation method with a saccharide and/or a saccharide alcohol. As the saccharide or the saccharide alcohol, glucose, sucrose, maltose, trehalose, sorbitol, multitol or the like can be cited. In the microcapsule of this invention, volatilization of a core substance being an oily liquid or deterioration and discoloring by air oxidation can be prevented. In particular, when oily perfume is used as the core substance, perfume components are excellently held and when medicine components or the like susceptible to oxidation are used, preservation stability thereof is excellent.;COPYRIGHT: (C)2002,JPO