Capturing Radical Signal of Two-photon Initiated Photopolymerization of Vinyl Monomer by Means of ESR Technique

被引：0
|
作者：
Zhao Ning [1 ]
Sun Yu-Ming [2 ]
Zhang Yuan-Hong [1 ]
Zhang Bao-Qin [1 ]
Yu Xiao-Qiang [1 ]
Jiang Min-Hua [1 ]
机构：
[1] Shandong Univ, State Key Lab Crystal Mat, Jinan 250100, Peoples R China
[2] Shandong Univ, Dept Opt, Jinan 250100, Peoples R China
来源：
CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE | 2010年 / 31卷 / 07期
关键词：
Two-photon; Photopolymerization; Radical; NONLINEAR-OPTICAL PROPERTIES; PHOTOINITIATED POLYMERIZATION; CROSS-SECTION; MICROFABRICATION; DERIVATIVES;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The radical signal of two-photon initiated photopolymerization (TPIP) was captured in site firstly by means of electron spin resonance spectroscopy (ESR) technique and N-tert-butyl-alpha-phenylnitrone (BPN) captor, and the experimental results clear verify that the reaction of TPIP is radical mechanism. That one/two-photon fluorescence of the initiator can be quenched by monomers. The results show that there is energy transfer between initiator and monomer. Furthermore alone BDBAS can not give radical signal, thus we believe that this energy transfer is very important for producing radicals.
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页码：1285 / 1287
页数：3
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