以甲酸溶解壳聚糖(CS)、三氯甲烷/乙醇混合溶剂溶解聚乳酸(PLA),两溶液混合后得均质纺丝液,通过静电纺丝制备出CS/PLA复合纳米纤维.采用扫描电镜(SEM)、傅立叶变换红外光谱(FT-IR)对纤维的形态与结构进行分析表征.结果表明,质量分数1.6％的CS甲酸溶液与质量分数15％的PLA三氯甲烷/乙醇混合溶液(三氯甲烷:乙醇=1:1,体积比)等体积混合,电压15 kV,极距15 cm下,可得到均匀的直径为(290±28) nm的CS/PLA复合纳米纤维,且CS和PLA分子间以氢键结合.
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