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author:

李婧娴 (李婧娴.) [1] | 董声雄 (董声雄.) [2] | 苗晶 (苗晶.) [3]

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CQVIP PKU CSCD

Abstract:

采用湿相转化法制备了以活性艳蓝KN-R为印迹分子的醋酸纤维素(CA)-聚偏二氟乙烯(PVDF)分子印迹膜(MIM).实验结果表明在一定的制备条件下可制得具有较大吸附结合率的MIM,此时的铸膜液组成为:活性艳蓝KN-R质量浓度wt为0.1%,共混组成比w(CA):w(PVDF)=9.5:0.5,聚合物质量浓度wp为14%,添加剂LiCl质量浓度wa为7.5%.所制得的MIM是一种特异分子吸附膜,对印迹分子具有亲和性,其分离机理属于延迟渗透机理.在一定范围(0~0.1%)内,随着印迹分子活性艳蓝KN—R质量浓度增大,MIM的吸附选择性提高.由吸附焓△H^0及MIM与印迹分子间结合力强弱的测定结果可知,MIM与印迹分子之间的结合作用力以疏水/范德华力与氢键作用为主.

Keyword:

共混膜 分子印迹膜(MIM) 活性艳蓝KN-R 湿相转化法

Community:

  • [ 1 ] 福建省农林大学生命科学学院,福州350008
  • [ 2 ] 福州大学化学化工学院,福州350002

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Source :

膜科学与技术

ISSN: 1007-8924

Year: 2009

Issue: 1

Volume: 29

Page: 8-12

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count: -1

30 Days PV: 5

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