With the help of the micellar solubilization of PEG, the solubility of the inorganic salts in the sols was greatly inereased.

• 往溶胶中加入聚乙二醇表面活性剂，利用聚乙二醇的胶束增溶作用增大了无机盐在溶胶中的溶解度，从而有利于配制出均匀掺杂的溶胶。