Issue 2, 2000
From the journal:

Journal of Materials Chemistry

Hiroshi Shiho,*1   Yuji Manabe2  and  Nobuo Kawahashi1  

* Corresponding authors

1 JSR Corporation, Fine Electronic Research Laboratories, Specialty Materials Laboratory, 100 Kawajiri-cho, Yokkaichi-city, Mie, Japan
E-mail: Hiroshi_Shiho@jsr.co.jp

2 JSR Corporation, Material Characterization and Analysis Laboratory, 100 Kawajiri-cho, Yokkaichi-city, Mie, Japan

Abstract

Spherical micron-sized polymer particles coated with magnetite have been prepared by a new method consisting of a two step process, in which iron compounds are coated on a micron-sized polymer core by controlled hydrolysis of FeCl3 in the presence of urea, poly(vinylpyrrolidone) and hydrochloric acid. The thickness of the coating layer could be altered by adjusting the amount of FeCl3 added to the system. Magnetic particles were obtained by treating the coated powders with hydrogen at moderate temperatures. The chemical composition and morphology of the coating layer, and the resulting magnetic properties varied with the calcination conditions.

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Article information

DOI
https://doi.org/10.1039/A906180K
Article type
Paper
Submitted
30 Jul 1999
Accepted
15 Nov 1999
First published
19 Jan 2000

J. Mater. Chem., 2000,10, 333-336

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Magnetic compounds as coatings on polymer particles and magnetic properties of the composite particles

H. Shiho, Y. Manabe and N. Kawahashi, J. Mater. Chem., 2000, 10, 333 DOI: 10.1039/A906180K

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