The present invention provides a method of making a nanoemulsion comprising the steps of:
a) solubilizing a silicone resin in an organic solvent system to yield a silicone resin solution concentration of 80% or less, wherein the organic solvent system comprises diethyleneglycol monobutyl ether and at least one additional solvent selected from the list consisting of monoalcohols, polyalcohols, ethers of monoalcohols, ethers of polyalcohols, fatty esters, Guerbet alcohols, isoparaffins, naphthols, glycol ethers or mixtures thereof, provided that if the additional solvent is a glycol ether it is not diethyleneglycol monobutyl ether;
b) mixing the silicone resin solution from a) with an aminosiloxane polymer to obtain an aminosiloxane polymer:silicone resin mixture having ratio of about 20:1;
c) allowing the aminosiloxane polymer:silicone resin mixture to age for at least about 6 hours at ambient temperature;
d) adding the aminosiloxane polymer:silicone resin mixture to a vessel;
e) optionally adding with agitation an additional organic solvent to the aminosiloxane polymer:silicone resin mixture;
f) mixing until homogenous;
g) adding a protonating agent;
h) additionally adding an aqueous carrier in an amount to produce the desired concentration of emulsion;
and a nanoemulsion preparable by said method.
本发明提供了一种制造纳米乳液的方法,包括以下步骤:
a) 将
硅树脂溶解在有机溶剂体系中,使
硅树脂溶液的浓度达到或低于 80%,其中有机溶剂体系包括二
乙二醇单丁醚和至少一种选自单醇、多元醇、单醇醚、多元醇醚、脂肪酯、
异丙醇的溶剂、多元醇、单醇醚、多元醇醚、脂肪酯、格尔贝特醇、异链
烷烃、
萘酚、
乙二醇醚或它们的混合物,但如果附加溶剂是
乙二醇醚,则不是二
乙二醇单丁醚;
b) 将 a) 中的
硅树脂溶液与
氨基
硅氧烷聚合物混合,得到
氨基
硅氧烷聚合物:
硅树脂混合物,其比例约为 20:1;
c) 使
氨基
硅氧烷聚合物:
硅树脂混合物在环境温度下老化至少约 6 小时;
d) 将
氨基
硅氧烷聚合物:
硅树脂混合物加入容器中;
e) 可选择在搅拌下向
氨基
硅氧烷聚合物:
硅树脂混合物中再加入一种有机溶剂
f) 混合直至均匀
g) 加入质子化剂
h) 另外加入一定量的
水性载体,以产生所需浓度的乳液;
以及可通过上述方法制备的纳米乳液。