UV-cured transparent magnetic polymer nanocomposites

被引：31
|
作者：
Nardi, Tommaso [1 ]
Sangermano, Marco [2 ]
Leterrier, Yves [1 ]
Allia, Paolo [2 ]
Tiberto, Paola [3 ]
Manson, Jan-Anders E. [1 ]
机构：
[1] Ecole Polytech Fed Lausanne, Lab Technol Composites & Polymeres LTC, CH-1015 Lausanne, Switzerland
[2] Politecn Torino, DISAT, I-10129 Turin, Italy
[3] INRIM, Electromagnetism Div, I-10135 Turin, Italy
来源：
POLYMER | 2013年 / 54卷 / 17期
基金：
瑞士国家科学基金会;
关键词：
Core/shell nanoparticles; Magnetic materials; Photopolymerization; HAMAKER CONSTANTS; FACILE SYNTHESIS; NANOPARTICLES; COATINGS;
D O I：
10.1016/j.polymer.2013.06.052
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Magnetite nanoparticles are synthesized by thermal decomposition of Fe(acac)(3) and subsequently coated with a silica shell exploiting a water-in-oil synthetic procedure. The as-produced nanopowder is mixed with a photocurable hyperbranched resin and the polymerization process is studied by means of real-time FTIR (RT-FTIR). Owing to the presence of the silica shell, the photocuring ability of the systems containing core-shell structures is highly improved compared with that of the formulations filled with bare magnetite nanoparticles, allowing the efficient polymerization of a 100 mu m-thick film loaded with an unprecedented 8 vol% of magnetic filler. (c) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：4472 / 4479
页数：8
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