Abstract
Magnetic wood has potential for electromagnetic shielding, as an indoor electromagnetic wave absorber, and for heavy metal adsorption. In this article, magnetic wood materials were prepared by precipitating magnetic CoFe2O4 nanoparticles and SiO2 on a wood surface via a hydrothermal process. The morphology, crystalline phase, and chemical structure of the magnetic wood composites were characterized by scanning electron microscope (SEM), transmission electron microscope (TEM), X-ray diffraction (XRD), Raman spectroscopy, and Fourier transform infrared spectroscopy (FTIR). The as-fabricated wood composites exhibited excellent magnetic and anti-ultraviolet properties. Thermal analysis showed that the incorporation of SiO2 gel retarded the thermal decomposition of magnetic wood matrix and improved the thermal stability of wood. Moreover, the mechanical performance of the modified wood materials was also evaluated.
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