Activation and Deactivation of Chain-transfer Agent in Controlled Radical Polymerization by Oxygen Initiation and Regulation

被引：1
|
作者：
Chun-Na Lv [1 ]
Ning Li [1 ]
Yu-Xuan Du [1 ]
Jia-Hua Li [1 ]
Xiang-Cheng Pan [1 ]
机构：
[1] State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University
来源：
Chinese Journal of Polymer Science | 2020年 / 11期
基金：
中国国家自然科学基金;
关键词：
D O I：
暂无
中图分类号：
TQ316.322 [];
学科分类号：
0805 ; 080502 ;
摘要：
The activation and deactivation of the chain-transfer agent were achieved by oxygen initiation and regulation with triethylborane under ambient temperature and atmosphere. The autoxidation of triethylborane overcame the oxygen inhibition and produced initiating radicals that selectively activate the chain-transfer agent for the chain growth or deactivate the active chain-end of polymer in controlled radical polymerization. Both activation and deactivation were highly efficient with broad scope for various polymers with different chain-transfer agents in both organic and aqueous systems. Oxygen molecule was particularly used as an external regulator to initiate and achieve the temporal control of both activation and deactivation by simply feeding the air.
引用
收藏
页码：1178 / 1184
页数：7
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