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Polymers 2019, 11(3), 421; https://doi.org/10.3390/polym11030421

Magnetic Properties of FeNi3 Nanoparticle Modified Pinus radiata Wood Nanocomposites

College of Science, Northeast Forestry University, Harbin 150040, China
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Received: 29 January 2019 / Revised: 23 February 2019 / Accepted: 1 March 2019 / Published: 5 March 2019
(This article belongs to the Special Issue Towards Functional and Structured Smart Polymeric Systems)
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Abstract

Magnetic FeNi3 nanoparticles were synthesized in the internal structure of wood through an in situ fabrication approach. The morphology, crystalline phase and chemical composition of the FeNi3 modified wood was investigated by X-ray powder diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy, scanning electron microscopy (SEM) with energy-dispersive X-ray (EDX) analysis and X-ray photoelectron spectroscopy (XPS). SEM confirmed that the magnetic nanoparticles were densely dispersed in the wood matrix. The magnetic hysteresis loops showed that the magnetism of composites is dependent on the amount of FeNi3 loading. The saturation magnetization of magnetic wood increases from 6.3 to 10.8 emu/g with an increase of FeNi3 loading from 12 to 18 wt %. Furthermore, magnetic wood showed significant directional dependence. The presented work will provide a feasible pathway for producing wood composite products. View Full-Text
Keywords: FeNi3 nanoparticles; natural polymer; modified wood nanocomposites; magnetism; saturation magnetization FeNi3 nanoparticles; natural polymer; modified wood nanocomposites; magnetism; saturation magnetization
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Wang, L.; Li, N.; Zhao, T.; Li, B.; Ji, Y. Magnetic Properties of FeNi3 Nanoparticle Modified Pinus radiata Wood Nanocomposites. Polymers 2019, 11, 421.

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