以邻苯二甲酸二丁酯为致孔剂,制备了多孔壳聚糖膜.用红外光谱测试技术对其结构进行了表征,并研究了多孔膜对水中游离余氯的吸附性能.结果表明,以邻苯二甲酸二丁酯为致孔剂制备的多孔壳聚糖膜最大孔隙率和比表面积分别为71.5%和1.047 2 m2/g,其比表面积是无孔膜的5.52倍.多孔膜在15、25和35℃下对游离余氯的表观吸附速率常数分别为0.232、0.194和0.136 min-1.
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