期刊
JOURNAL OF PHOTOPOLYMER SCIENCE AND TECHNOLOGY
卷 23, 期 1, 页码 129-134出版社
TECHNICAL ASSOC PHOTOPOLYMERS,JAPAN
DOI: 10.2494/photopolymer.23.129
关键词
nanocomposites; hybrid materials; organotrialkoxysilane; UV-curing
Various methodologies combining sot-gel chemistry and photopolymerization were implemented to yield novel organic-inorganic nanocomposite photomaterials through photoacids generation. The first part of this paper focuses on cationic systems based on bifunctional organic-inorganic precursor. The photoacid-catalyzed cationic polymerization and sol-gel polycondensation of an epoxytrialkoxysilane precursor enabled the simultaneous generation of the organic and inorganic phases. With a similar strategy, the combination of both radical and cationic photoinitiators is highlighted to achieve an efficient polymerization of a methacrylate silane derivative. Finally, the last part is devoted to the sot-gel photopolymerization of 3 different organo-bridged trialkoxysilane precursors [(R'O)(3)Si-R-Si(OR')(3)].
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