以正硅酸乙酯(TEOS)为原料,采用溶胶-凝胶法制备了硅溶胶,研究了溶胶体系中H2O、盐酸的含量和不同溶剂对其电纺性能及分散形态的影响.FESEM观察结果表明,当H2O/TEOS的摩尔比为1~2时,电纺纤维表面光滑且连续,当H2O/TEOS的摩尔比为4时,形成堆积在一起的圆形颗粒;当HCl/TEOS的摩尔比为0.01~0.10时,随着HCl的增加,电纺纤维相互粘结,形成交叉的网状结构;用四氢呋喃和丙酮作溶剂电纺,形成了珠节较多的纤维,用乙醇电纺形成了完全没有珠节的长纤维.
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