水相光引发聚合诱导自组装制备嵌段共聚物纳米材料

doi:10.7517/j.issn.1674-0475.2017.05.005

影像科学与光化学 ›› 2017, Vol. 35 ›› Issue (6): 816-823.DOI: 10.7517/j.issn.1674-0475.2017.05.005

水相光引发聚合诱导自组装制备嵌段共聚物纳米材料

柏宇豪, 谭剑波, 张力

广东工业大学材料与能源学院, 广东广州 510006

收稿日期:2016-12-16 修回日期:2017-02-21 出版日期:2017-11-15 发布日期:2017-11-15
通讯作者: 谭剑波, 张力
基金资助:
国家自然科学基金项目（21504017）资助

Preparation of Diblock Copolymer Nano-objects by Aqueous Photoinitiated Polymerization-induced Self-assembly

BAI Yuhao, TAN Jianbo, ZHANG Li

School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, Guangdong, P. R. China

Received:2016-12-16 Revised:2017-02-21 Online:2017-11-15 Published:2017-11-15

摘要/Abstract

摘要：

本文以聚甲基丙烯酸甘油酯（PGMA）作为大分子链转移剂、甲基丙烯酸羟丙酯（HPMA）为单体、苯基钠盐-三甲基苯甲酰亚磷酸盐（SPTP）为引发剂，通过水相光引发可逆加成-断裂链转移（RAFT）分散聚合制备了一系列PGMA-b-PHPMA共聚物纳米材料。考察了水相光引发聚合诱导自组装的反应动力学，在温和条件下（水相、可见光和室温）成功得到不同形貌的聚合物纳米材料（球形、纤维和囊泡），并进一步探究了反应条件对嵌段聚合物形貌的影响。聚合反应的激活或暂停都可以通过对光源的简单"开/关"进行控制。

关键词: 光引发, 聚合诱导自组装, RAFT聚合, 嵌段共聚物

Abstract:

Poly(glycerol monomethacrylate) (PGMA) and sodium phenyl-2,4,6-tri-methylbenzoylphosphinate (SPTP) were used as macro-RAFT agent and initiator, respectively. A series of poly(glycerol monomethacrylate)-b-poly (2-hydroxypropyl methacrylate) (PGMA-b-PHPMA) diblock copolymer nano-objects were prepared by aqueous visible light-mediated RAFT dispersion polymerization of HPMA. The kinetic of PISA was investigated, and a remarkably diverse set of complex morphologies (spheres, worms, and vesicles) have been prepared by aqueous photo-PISA under mild conditions (water medium, visible light, and room temperature), then the effect of reaction conditions on the morphology of nano-objects was investigated. The polymerization can be activated or deactivated by a simple "ON/OFF" switch of the light source.

Key words: photoinitiation, polymerization-induced self-assembly, RAFT polymerization, block copolymer

柏宇豪, 谭剑波, 张力. 水相光引发聚合诱导自组装制备嵌段共聚物纳米材料[J]. 影像科学与光化学, 2017, 35(6): 816-823.

BAI Yuhao, TAN Jianbo, ZHANG Li. Preparation of Diblock Copolymer Nano-objects by Aqueous Photoinitiated Polymerization-induced Self-assembly[J]. Imaging Science and Photochemistry, 2017, 35(6): 816-823.

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水相光引发聚合诱导自组装制备嵌段共聚物纳米材料

Preparation of Diblock Copolymer Nano-objects by Aqueous Photoinitiated Polymerization-induced Self-assembly

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