Oligomeric cationic surfactants prepared from surfmers via ATRP: Synthesis and surface activities

被引:0
|
作者
Xin Su
Yujun Feng
Biqing Wang
Zhiyong Lu
Limin Wei
机构
[1] Chinese Academy of Sciences,Chengdu Institute of Organic Chemistry
[2] Graduate School of the Chinese Academy of Sciences,undefined
来源
Colloid and Polymer Science | 2011年 / 289卷
关键词
Oligomeric surfactants; Atom transfer radical polymerization; Surfmer; Surface activity;
D O I
暂无
中图分类号
学科分类号
摘要
A series of oligomeric cationic surfactants were prepared directly in aqueous media by atom transfer radical polymerization (ATRP) of methacrylate surfmers. The molecular weight of oligomeric surfactants was characterized by 1H NMR, and the results were close to those obtained via GPC analysis. The resulting oligomers have narrow molecular weight distributions, with polydispersity indices in the range of 1.18–1.32, and the research indicated that the synthesis of the oligomeric surfactants was consistent with characteristics of controlled free radical polymerization. The surface activities of oligomeric surfactant solutions were examined, and it was found that their surface activities were enhanced when increasing oligomerization degree or hydrophobic chain length, in agreement with what observed for oligomeric surfactants prepared by classic organic synthesis. Spherical vesicles formed by these oligomers prepared via ATRP were observed by Cryo-TEM. It was proved that ATRP possesses the advantages over classic organic synthesis, as it provided a simple and easy route for synthesizing oligomeric surfactants with well-controlled architecture.
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页码:101 / 110
页数:9
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