Materials Reports 2019, Vol. 33 Issue (z1): 149-152 |
INORGANIC MATERIALS AND CERAMIC MATRIX COMPOSITES |
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Preparation,Surface Morphology and Particle Size of the Nano-surface Modified Heavy Calcium Carbonate |
WU Chengbao1,2, LIN Lieshu1, LI Shenlan1, GAI Guosheng2, YANG Yufen2
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1 School of Aircraft Maintenance Engineering, Guangzhou Civil Aviation College, Guangzhou 510430 2 College of Materials Science and Engineering, Tsinghua University, Beijing 100084 |
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Abstract In order to decrease the edge angle and cleavage plane in the surface the of calcium carbonate particle, the nano-surface modification method was used in Ca(OH)2-CO2-H2O system, the nano-surface modified calcium carbonate was prepared and the surface morphology was investigated by SEM. The results indicated that the edge angle and cleavage plane in the surface of calcium carbonate particle decreased after modified in Ca(OH)2-CO2-H2O system, the particle size of the nano-surface modified calcium carbonate was larger than the calcium carbonate before modification, and the particle size of the calcium carbonate with diameter 500 mesh modified by the fatty acids was larger than that of the calcium carbonate sample.
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Published: 05 July 2019
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About author:: Chengbao Wu received his B.E. degree in environment science and engineering from Hunan Agriculture University in 2003 and received his Ph.D. degree in material processing engineering from School of Mechanical and Automotive Engineering, South China University of Technology in 2009. After two-year postdoctoral research at School of Materials Science and Enginee-ring, Tsinghua University, he is currently a full professor in Guangzhou Civil Aviation College, Civil Aviation Administration of China. His research interests are processing and product characterization of materials including inorganic non-metallic materials, polymer composites, and powder engineering materials. |
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