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[4] N. Thundaij and A. Nuntiya, Preparation of nanosilica powder from rice husk ash by precipating method, Warasan Khana Witthayasat Maha Witthayalai Chiang Mai, 35, 206–2011, (2008).
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[13] B. J. Sullivan and L. J. Du Mouchel, U. S. Patent 6,143,220 (2000).
[14] D. Ward, U. S. Patent US7,699,951 B2 (2010).
[15] R. W. Martin, in The Chemistry of Phenolic Resins, John Willey, 1999."
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The current study was aimed to prepare and to characterize a renewable silica-carbon nanocomposite from rice straw ashes. It was purposed also to study the use of the produced nanocomposite as reinforcing material in producing a synthetic wood made of three axial blend of treated rice straw powder, phenolfrmaldehyde resin, and the nanocomposite. A simple preparation route of nanocomposite silica-carbon from rice straw was formulated containing three steps, namely pretreating of rice straw, preparing of ultra fine amorphous black silica, and composing silica-carbon nanocomposite. The nanocomposite product was characterized using XRD, XRF, FTIR and SEM methods. The characterization results comfirmed that the silica-carbon nanocomposite was succesfully prepared. The utilizing of the nanocomposite as reinforce material in producing synthetic woods was conducted through hot-pressing some three axial blend compositions of the pretreated rice straw powder, phenolformaldehyde resin, and the nanocomposite. The synthetic wood products were characterized their physical and mechanical properties. As a result, the addition of the nanocomposite could improve the properties of the synthetic wood products.
References:
[1] I. W. Karyasa, Meta-analisis on renewable silica based materials from rice husk and mapping on high siliconeous tropical biomasses, Proceeding of National Seminar on Mathematics and Natural Sciences, (2012).
[2] K. S. Kim and H. C. Choi, Characteristics of adsorption of rice-hull activated carbon, Water Sci Technol, 38, 4–5, (1998).
[3] C. Real, M. D. Alcala, and J. M. Criado, Preparation of silica from rice husks, J Am Ceram Soc, 79, 2012–2016, (1996).
[4] N. Thundaij and A. Nuntiya, Preparation of nanosilica powder from rice husk ash by precipating method, Warasan Khana Witthayasat Maha Witthayalai Chiang Mai, 35, 206–2011, (2008).
[5] S. Jankong and K. Srikulkit, Preparation of polypropylene/hydrophobic silica nanocomposite, Journal of Metals, materials and Minerals, 18, no. 2, 143–146, (2008).
[6] K. Jindal, L. F. Francis, and A. V. McCormick, Stress development in nanocomposite silica coating, The 14th International Coating Science and Technology Symposium, (2008).
[7] Q. Hu, R. Kou, J. Pang, T. L. Ward, M. Cai, Z. Yang, Y. Lu, and J. Tang, Mesoporous carbon/silica nanocomposite through multi-component assembly, Chem Commun (Camb), 601–603, (2007).
[8] M. Himmelhelber, K. Steiner, and W. Kull, U. S. Patent 2,923,030 (1960).
[9] R. M. Knudson and M. J. Gnatowski, U. S. Patent 4,879,083 (1989).
[10] S. Nishibori, U. S. Patent 2,725,939 (1998).
[11] B. Nilsson, U. S. Patent US2012/0217671 A1 (2012).
[12] L. Hammarberg, U. S. Patent 4,514,258 (1985).
[13] B. J. Sullivan and L. J. Du Mouchel, U. S. Patent 6,143,220 (2000).
[14] D. Ward, U. S. Patent US7,699,951 B2 (2010).
[15] R. W. Martin, in The Chemistry of Phenolic Resins, John Willey, 1999.
