초록

The present invention provides a process for the preparation of microcapsule compositions, methods for using those microcapsule compositions, compositions containing those microcapsule compositions and microcapsules prepared by the process of the present invention.

대표청구항 ▼

[ What is claimed is:] [1.] A process for the preparation of a microcapsule composition which comprises:(a) providing an aqueous solution containing (i) a salt or mixture of salts and (ii) an emulsifier or mixture of emulsifiers; and(b) dispersing in the aqueous solution, a salt water-immiscible sol

[ What is claimed is:] [1.] A process for the preparation of a microcapsule composition which comprises:(a) providing an aqueous solution containing (i) a salt or mixture of salts and (ii) an emulsifier or mixture of emulsifiers; and(b) dispersing in the aqueous solution, a salt water-immiscible solution containing a polyisocyanate and a salt water-immiscible material to form a polyurea shell wall about the salt water-immiscible material; rein the salt is selected from the group consisting of lithium chloride, sodium chloride, potassium chloride, ammonium chloride, magnesium chloride, calcium chloride, lithium nitrate, sodium nitrate, potassium nitrate, magnesium nitrate, calcium nitrate, lithium sulfate, sodium sulfate, potassium sulfate, ammonium sulfate, magnesium sulfate, sodium monohydrogen phosphate, potassium monohydrogen phosphate, ammonium monohydrogen phosphate, sodium dihydrogen phosphate, potassium dihydrogen phosphate and ammonium dihydrogen phosphate.