醇相光引发RAFT分散聚合制备全丙烯酸酯二嵌段共聚物纳米材料

刘冬冬; 谭剑波; 张力

doi:10.12052/gdutxb.170155

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醇相光引发RAFT分散聚合制备全丙烯酸酯二嵌段共聚物纳米材料

综合研究 | 更新时间：2026-05-27

- 醇相光引发RAFT分散聚合制备全丙烯酸酯二嵌段共聚物纳米材料
- Preparation of All-acrylic Diblock Copolymer Nano-objects via Alcoholic Photoinitiated RAFT Dispersion Polymerization
- 广东工业大学学报 2018年35卷第5期页码：80-85
- 作者机构：
  
  广东工业大学　材料与能源学院,广东,广州,510006
- 作者简介：
  
  刘冬冬(1994–)，男，硕士研究生，主要研究方向为光分散聚合
  张力(1967–)，女，教授，博士，主要研究方向为新型聚合物材料. E-mail：lizhang@gdut.edu.cn
- 基金信息：
  
  国家自然科学基金资助项目(21504017)
- DOI：10.12052/gdutxb.170155
  中图分类号： TQ316.31
- 网络首发：2018-07-10，
  
  纸质出版：2018
- 稿件说明：
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刘冬冬, 谭剑波, 张力. 醇相光引发RAFT分散聚合制备全丙烯酸酯二嵌段共聚物纳米材料[J]. 广东工业大学学报, 2018, 35(5): 80-85.

Liu Dong-dong, Tan Jian-bo, Zhang Li. Preparation of All-acrylic Diblock Copolymer Nano-objects via Alcoholic Photoinitiated RAFT Dispersion Polymerization[J]. 2018, 35(5): 80-85.
刘冬冬, 谭剑波, 张力. 醇相光引发RAFT分散聚合制备全丙烯酸酯二嵌段共聚物纳米材料[J]. 广东工业大学学报, 2018, 35(5): 80-85. DOI： 10.12052/gdutxb.170155.

Liu Dong-dong, Tan Jian-bo, Zhang Li. Preparation of All-acrylic Diblock Copolymer Nano-objects via Alcoholic Photoinitiated RAFT Dispersion Polymerization[J]. 2018, 35(5): 80-85. DOI： 10.12052/gdutxb.170155.

摘要

在40 ℃反应条件下

以聚丙烯酸羟乙酯(PHEA)为大分子RAFT试剂

丙烯酸异冰片酯(IBOA)为聚合单体

在乙醇/水混合溶剂中

通过光引发RAFT分散聚合制备全丙烯酸酯(PHEA

-PIBOA

)嵌段共聚物纳米材料. 反应在可见光(

max

=405 nm

0.4 mW/cm

)照射下

30 min内达到很高的单体转化率(

$\geqslant$

img text_id='M1000' class='formula-img' style='display:none;' src='gdgydxxb-35-5-80_M1000.jpg'>

95%). 聚合反应动力学结果表明反应主要分为两个阶段

凝胶渗透色谱结果表明聚合过程体现出良好的可控性. 探究了嵌段共聚物纳米材料的形貌变化

成功得到了球形和囊泡结构形貌.

Abstract

All-acrylic poly(2-hydroxyethyl acrylate)-poly(isobornyl acrylate) (PHEA

-PIBOA

) block copolymer nano-objects were prepared by photoinitiated RAFT dispersion polymerization of IBOA in ethanol/water at 40 °C using a PHEA macromolecular chain transfer agent (macro-CTA). Polymerizations proceeded rapidly upon exposure to visible light irradiation (

max

=405 nm

0.4 mW/cm

) with hig

h monomer conversion (

$\geqslant$

img text_id='M1001' class='formula-img' style='display:none;' src='gdgydxxb-35-5-80_M1001.jpg'>

95%) being achieved within 30 min. The kinetics of polymerization indicated that the polymerization could be separated into two stages. Gel permeation chromatography (GPC) analysis demonstrated that good control was maintained throughout the photo-PISA process

and the final block copolymers exhibited relatively low polydispersities (

$\leqslant$

img text_id='M1002' class='formula-img' style='display:none;' src='gdgydxxb-35-5-80_M1002.jpg'>

1.50). Spherical micelles and vesicles were prepared by this method.

关键词

Keywords

references

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