高等学校化学学报

高等学校化学学报 ›› 2002, Vol. 23 ›› Issue (1): 138.

• 研究论文 • 上一篇    下一篇

窄分布两亲性嵌段共聚物的合成及其胶束化行为研究

朱蕙, 刘世勇, 潘全名, 段宏伟, 江明   

  1. 复旦大学高分子科学系, 聚合物分子工程教育部重点实验室, 上海 200433
  • 收稿日期:2001-02-06 出版日期:2002-01-24 发布日期:2002-01-24
  • 通讯作者: 江明(1938年出生),男,教授,博士生导师,主要从事高分子物理化学研究.E-mail:mjiang@fudan.edu.cn E-mail:mjiang@fudan.edu.cn
  • 基金资助:

    国家自然科学基金(批准号:29992590)资助

Synthesis of Amphiphilic Block Copolymer Poly(styrene-b-acrylic acid) by Atom Transfer Radical Polymerization and Its Micellization

ZHU Hui, LIU Shi-Yong, PAN Quan-Ming, DUAN Hong-Wei, JIANG Ming    

  1. Department of Macromolecular Science, Key Laboratory for Molecular Engineering of Polymers of Ministry of Education, Fudan University, Shanghai 200433, China
  • Received:2001-02-06 Online:2002-01-24 Published:2002-01-24

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被引次数

83

摘要： 利用原子转移自由基聚合合成了具有两亲性的嵌段聚合物聚苯乙烯-b-聚丙烯酸(PS-b-PAA),用FTIR,1H NMR,SEC对其进行了表征,并利用荧光探针技术研究了其在水溶液中的胶束化行为.进一步的研究表明,PS-b-PAA胶束可对水中存在的多环芳香化合物芘有效地吸收并进而分离和回收.

关键词: 原子转移自由基聚合, 两亲性嵌段共聚物, 胶束化

Abstract: Amphiphilic block copolymers of PS-b-PAA with a low polydispersity have been synthesized by atom transfer radical polymerization (ATRP) and characterized by FTIR, 1H NMR and SEC. The micellization of PS-b-PAA in water have been monitored by fluorescent probe technique. It was found that pyrene as a fused-ring aromatic hydrocarbon(PAH) can be absorbed and further separated and recovered from water by using the PSb PAAmicelles. The results showed that the equilibrium loading of pyrene apparently depends on the length of the hydrophilic block and the concentration of the micelles. This work, therefore, displays a potential use of the micelles in the purification of waste water contaminated by aromatic compounds.

Key words: Atom transfer radical polymerization, Amphiphilic block copolymer, Micellization

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