New Tetraalkylborate Initiators for Remote Polymerization

被引：11
|
作者：
Ermoshkin, Andrey A. [1 ]
Nikolaeva, Ekaterina S. [1 ]
Neckers, Douglas C. [1 ]
Fedorov, Andrei V. [2 ]
机构：
[1] Bowling Green State Univ, Ctr Photochem Sci, Bowling Green, OH 43403 USA
[2] Bowling Green State Univ, Wright Photosci Lab, Bowling Green, OH 43403 USA
来源：
MACROMOLECULES | 2008年 / 41卷 / 23期
关键词：
D O I：
10.1021/ma8007543
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The polymerization of acrylic esters without direct use of light and/or heat is an important goal. We have investigated a system where the activating component is delivered in a flow of a carrier gas which has unrestricted access to a surface covered with to-be-polymerized monomers. The active ingredient (H2O2 vapor) reacts with coating components (tetraalkylborates) to generate free radicals and initiate polymerization in the surface layer. Differences in reactivity are explained by differing oxidation potentials and alkyl substituents on the boron atom. Radical trapping experiments support the mechanism proposed.
引用
收藏
页码：9063 / 9066
页数：4
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