基于紫外光照射引发甲基丙烯酰丙基三甲基氯化铵(MAPTAC)接枝改性赋予丙纶非织造布染料吸附功能.用红外光谱、热失重和扫描电镜等方法表征改性织物的微观结构、性能及吸附分离作用.结果表明,MAPTAC成功接入丙纶织物表面,改性织物对阴离子染料表现出优异的吸附分离性能.对于接枝率为89.6％的织物,当吸附时间为120min,在35℃、45℃和55℃时染料(20mg/L,50mL)去除率均大于95％.吸附染料的改性织物可用阳离子活性剂/乙醇解吸.重复吸附10次,每次吸附率仍达99％以上,改性后的织物可以重复使用.
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