研究了聚甲基丙烯酸甲酯(PMMA)的电场纺丝行为.结果表明,溶液的浓度对纤维的形貌起了主导作用,当以N,N-二甲基甲酰胺(DMF)为溶剂,PMMA的质量分数低于12%时只能得到液滴,PMMA的质量分数为15%时,得到珠串状结构的纤维,只有当PMMA的质量分数提高到20%时,才有可能得到形貌比较均匀的纤维;纤维的直径随施加电压的增大而增大,收集距离的增大而减小;染料溶液的加入使纤维倾向于形成珠串状结构,但所得纤维的直径在100 nm至300 nm之间,对研究纳米纤维在2雏方向上对荧光分子的压缩效应有利.
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