UV-cured transparent magnetic polymer nanocomposites

POLYMER

卷:54

Article

Nardi, Tommaso¹  Sangermano, Marco²  Leterrier, Yves¹  Allia, Paolo²  Tiberto, Paola³  Manson, Jan-Anders E.¹ 

[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

关键词: Core/shell nanoparticles;    Magnetic materials;    Photopolymerization;   

DOI  :  10.1016/j.polymer.2013.06.052

来源: Elsevier

【 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.

【 授权许可】

Free