Photopolymerization of epoxy coatings containing iron-oxide nanoparticles

被引：27
|
作者：
Sangermano, Marco
Priola, Aldo
Kortaberria, Galder
Jimeno, Amaia
Garcia, Ignacio
Mondragon, Inaki
Rizza, Giancarlo
机构：
[1] Politecn Torino, Dipartimento Sci Mat & Ingn Chim, I-10129 Turin, Italy
[2] Univ Basque Country, Euskal Herriko Unibertsitatea, Escuela Univ Politecn, Mat & Technol Grp, Donostia San Sebastian 20018, Sebastian, Spain
[3] Ecole Polytech, Solides Irradies Lab, F-91128 Palaiseau, France
来源：
MACROMOLECULAR MATERIALS AND ENGINEERING | 2007年 / 292卷 / 08期
关键词：
D O I：
10.1002/mame.200700093
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Iron-oxide nanoparticles were functionalized with epoxy groups and were dispersed into a dicyclo-aliphatic epoxy resin to obtain organic-inorganic hybrid coatings via cationic ring-opening photopolymerisation. TEM investigations confirmed that the filler has a size-distribution range between 5 to 20 nm, without the formation of aggregates. The influence of the presence of Fe2O3 on the rate of polymerization was investigated by the real time FT-IR spectroscopy. Increasing the iron-oxide nanofiller in the photocurable resin induced an increase in the T-g values. By controlling the phase seperation it was possible to obtain transperant iron-oxide nanostructured coatings, characterized by improved hardness.
引用
收藏
页码：956 / 961
页数：6
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