Patent ID: 7544734

Claim:
An emulsion containing particles having a size of 0.1-5 μm wherein said emulsion is prepared by adding a low HLB nonionic surfactant to a preformed mixture of; (i) 30-90 percent by weight of a methylhydrogensiloxane having the formula: wherein R1 to R8 each represent hydrogen or an alkyl group containing 1- 6 carbon atoms, with the proviso that at least one of the groups R1 to R8 is hydrogen, and x is 1-200; (ii) 0.1-50 percent by weight of a silanol endblocked siloxane having the formula wherein R19 to R24 each represent an alkyl group containing 1-6 carbon atoms or an aryl group, or some R19 to R24 are alkyl groups while other R19 to R24 groups are aryl groups; n is 2-300; and the silanol endblocked siloxane has a viscosity at 25° C. of 20-100,000 centipoise (mPa·s); (iii) 0.1-50 percent by weight of an MQ silicone resin; then mixing an aqueous phase containing a high nonionic HLB surfactant to the preformed mixture to form the emulsion; wherein the high and low HLB nonionic surfactants have a combined HLB ranging from 11 to 15 and the total amount or the nonionic surfactants is 0.1 - 10 percent by weight of the emulsion, with the proviso that all components in the emulsion sum to 100 percent by weight.