高等学校化学学报

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结合表面引发的原子转移自由基聚合和气/固反应制备CdS纳米微粒/聚苯乙烯核壳微球

王政, 高原, 王佳瑜, 张俊虎, 杨柏   

  1. 吉林大学化学学院, 超分子结构与材料国家重点实验室, 长春 130012
  • 收稿日期:2008-02-04 修回日期:1900-01-01 出版日期:2008-07-10 发布日期:2008-07-10
  • 通讯作者: 杨柏

Fabrication of CdS-Nanoparticle/Polystyrene Latex Through the Combined Use of Surface-Initiated ATRP and Gas/solid Reaction

WANG Zheng, GAO Yuan, WANG Jia-Yu, ZHANG Jun-Hu, YANG Bai*   

  1. State Key Lab for Supramolecular Structure and Materials of Ministry of Education, College of Chemistry, Jilin University, Changchun 130023, China
  • Received:2008-02-04 Revised:1900-01-01 Online:2008-07-10 Published:2008-07-10
  • Contact: YANG Bai

摘要: 结合表面引发的原子转移自由基聚合和气/固反应制备CdS纳米微粒/聚苯乙烯核壳微球. 以表面富含环氧基团的聚苯乙烯微球为基底, 利用开环反应在水相中一步接枝表面引发剂, 然后在聚苯乙烯微球表面引发甲基丙烯酸镉的原子转移自由基聚合, 最后通入H2S气体原位生成CdS纳米微粒. 生成的CdS纳米微粒复合的核壳微球呈草莓状形貌, 且具有良好的光学性能.

关键词: 表面引发原子转移自由基聚合, 聚苯乙烯微球, CdS纳米微粒

Abstract: This paper described the fabrication of CdS-nanoparticle/polystyrene latexes through the combined use of surface-initiated atom transfer radical polymerization(ATRP) and gas/solid reaction. The epoxy groups modified polystyrene(PS) latexes were grafted with α-Br groups easily through the reaction between epoxy groups and BMPA in water. And then, Cd(MA)2 was polymerized via surface-initiated ATRP on the surface of α-Br groups modified PS spheres, CdS nanoparticles were formed in situ by bubbling H2S gas. The resulted CdS-nanoparticle/PS latexes take on strawberry-like shapes and presented a strong fluorescence property.

Key words: Surface-initiated ATRP, Polystyrene latex, CdS nanoparticle

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