Preparation of Thermoplastic Magnetic Wood via Etherification and In-Situ Synthesis of Iron Oxide

被引：8
|
作者：
Matsumoto, Yusuke [1 ]
Teramoto, Yoshikuni [1 ]
Nishio, Yoshiyuki [1 ]
机构：
[1] Kyoto Univ, Grad Sch Agr, Div Forest & Biomat Sci, Sakyo Ku, Kyoto 6068502, Japan
来源：
JOURNAL OF WOOD CHEMISTRY AND TECHNOLOGY | 2010年 / 30卷 / 04期
基金：
日本学术振兴会;
关键词：
Etherification; iron oxide; magnetic nanocomposite; thermoplastic; wood flour; NANOCRYSTALLINE GAMMA-FE2O3; CELLULOSE; FERRITES;
D O I：
10.1080/02773813.2010.523165
中图分类号：
TB3 [工程材料学]; TS [轻工业、手工业、生活服务业];
学科分类号：
0805 ; 080502 ; 0822 ;
摘要：
Wood flour (WF) was converted not only to thermoplastic material but also to carrier matrix for in-situ synthesis of iron oxide nano-particles by a set of etherification; namely, considerable hydroxypropylation and modest carboxymethylation. A sequence of procedure for the in-situ synthesis of iron oxides includes ferrous ion-absorption of the etherified WF, precipitation of ferrous hydroxide by an alkaline treatment, and oxidation of the ferrous hydroxide. Magnetometry measurements revealed that the magnetic woody composite showed superparamagnetism (SPM) at room temperature. The observation of SPM may be of significance in the perceptibility to an external magnetic stimulus only on demand and without energy loss.
引用
收藏
页码：373 / 381
页数：9
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