Tandem Cationic and Sol-Gel Photopolymerizations of a Vinyl Ether Alkoxysilane

被引：11

作者：

Chemtob, Abraham ^{[1
]}

Belon, Cindy ^{[1
]}

Croutxe-Barghorn, Celine ^{[1
]}

Rigolet, Severinne ^{[2
]}

Vidal, Loic ^{[2
]}

Brendle, Jocelyne ^{[2
]}

Mandel, Jeremie ^{[3
]}

Blanchard, Nicolas ^{[3
]}

机构：

[1] Univ Haute Alsace, Dept Photochim Gen, CNRS, ENSCMu, F-68093 Mulhouse, France

[2] Univ Haute Alsace, Inst Sci Mat Mulhouse, CNRS, LRC 7228, F-68093 Mulhouse, France

[3] Univ Haute Alsace, Dept Organ & Biorgan Chem, CNRS, ENSCMu, F-68093 Mulhouse, France

来源：

POLYMER ENGINEERING AND SCIENCE | 2011年 / 51卷 / 08期

关键词：

TWIN POLYMERIZATION; SELF-ORGANIZATION; CROSS-LINKING; NANOCOMPOSITES; NMR; HYDROLYSIS; COATINGS; POLYCONDENSATION; SPECTROSCOPY; POLYMERS;

D O I：

10.1002/pen.21951

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

In the present study, a novel single hybrid monomer combining a vinylether and trimethoxysilane groups in the same molecule was synthesized by chemoselective hydrosilation and subjected to UV-irradiation in the presence of a triarylsulfonium salt. Through the UV-decomposition of this photoacid generator, two acid-catalyzed processes occurred simultaneously: the cationic polymerization of the vinyl ether functions and the sol-gel polycondensation of the alkoxysilyl groups, leading to a type II polyvinyl-polysilicate nanocomposite film. Both reaction kinetics were efficiently monitored by real-time Fourier transform infrared spectroscopy, and the influence of different key experimental parameters was investigated (laminated conditions, UV irradiation equipment, and film thickness). A particular attention was also given to the complete characterization of the hybrid microstructure by associating 29 Si and C-13 solid-state NMR. POLYM. ENG. SCI., 51: 1466-1475, 2011. (C) 2011 Society of Plastics Engineers

引用

页码：1466 / 1475

页数：10

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