刺激响应性刚柔嵌段共聚物的自组装

doi:10.3969/j.issn.1000-8438.2014.02.002

摘要/Abstract

摘要： 刚柔嵌段共聚物是指刚性链段和柔性链段以共价键相连形成的共聚物。不仅由于刚性链段有序排列的特点使得其自组装行为更为丰富多样，而且刚性分子将优异的功能特性赋予到超分子组装体中，有望实现超分子材料的功能应用。这类嵌段共聚物在溶液中自组装形成的聚集体会对外界的刺激（例如pH、光、温度、化学添加剂等）敏感，产生聚集体形态的变化。本文选取了部分典型的具有刺激响应性的刚柔嵌段共聚物，介绍了其智能自组装行为，并对其良好的发展前景做了展望。

关键词: 嵌段共聚物, 自组装, 刚柔性, 刺激响应性

Abstract: Rod-coil block copolymers (BCPs) constitute both of rigid rod-like blocks and the flexible coil-like blocks through the covalent connection. Due to the orientation tendency of rod blocks, rod-coil BCPs can not only self-assemble into various supramolecular structures, which are more distinct than their coil-coil counterparts. As a unique type of functional building blocks, the rod segment also endow the supramolecular materials with various applications. The sensitivity of supramolecular morphologies to multiple external stimuli, such as pH, light, temperature, and chemical additives, renders its promising application as smart materials. This review highlights some valuable contributions in the past years on the self-assembly behavior of stimuli-responsive rod-coil BCPs, and the trend in the development of this field has also been discussed.

Key words: rod-coil block copolymer, self-assembly, stimuli-responsive

张金龙, 张洁, 宛新华. 刺激响应性刚柔嵌段共聚物的自组装[J]. 大学化学, 2014, 29(2): 6-13.

Zhang Jinlong, Zhang Jie, Wan Xinhua. Stimuli-responsive Self-assembly of Rod-coil Block Copolymers[J]. University Chemistry, 2014, 29(2): 6-13.

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