MICROCAPSULES A PROCESS OF MAKING SUCH MICROCAPSULES AND COMPOSITIONS UTILISING SUCH MICROCAPSULES
A method of forming active containing microcapsules by the steps of (i) emulsifying the active in water in the presence of a polymeric emulsifier; (ii) adding to the emulsion thus formed a blend of at least 2 silanes and hydrolysing them prior to (iii) forming a shell by increasing the pH characteri...
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creator | BONE STEPHANE |
description | A method of forming active containing microcapsules by the steps of (i) emulsifying the active in water in the presence of a polymeric emulsifier; (ii) adding to the emulsion thus formed a blend of at least 2 silanes and hydrolysing them prior to (iii) forming a shell by increasing the pH characterised in that (iv) the polymeric emulsifier also acts as a templating agent for the organosilicon compounds; (v) the silanes are compounds of the Formula (I) in which R is independently C C linear or branched alkyl or alkene optionally comprising a functional group selected from amino and epoxy m is from 1 4 and selected such that there is present at least 2 silanes with different functionalities m. The resulting microcapsules have excellent properties and are especially effective for use with fragrances. |
format | Patent |
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subjects | CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING |
title | MICROCAPSULES A PROCESS OF MAKING SUCH MICROCAPSULES AND COMPOSITIONS UTILISING SUCH MICROCAPSULES |
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