TY - GEN
T1 - Effects of AlCl3 on preparation of mesocarbon microbeads
AU - Jing, Deqi
AU - Li, Tiehu
AU - Li, Hao
AU - Fang, Changqing
AU - Li, Xiaoting
AU - Zhang, Zhengquan
PY - 2008
Y1 - 2008
N2 - The preparation of mesocarbon microbeads (MCMB) had been carried out by heat-treating a medium coal tar pitch at 420°C for 2 hours in the presence of aluminum chloride(AlCl3). A larger number of MCMB with small diameter were obtained. The isolated MCMB were observed by scanning electron microscope. The average diameters of the MCMB were measured by laser particle size analyzer. The PI(pyridine insoluble) yields were determined from the weight of the extracted residue. The effects of AlCl3 on preparation of MCMB had been studied. It was found that AlCl3 promotes the formation of MCMB in coal tar pitch. The sphere size and PI yield increase with increasing in the amount of AlCl3, the size distribution becomes wide gradually at the same time. The amount of AlCl3 from 3 to 5wt% appears optimum to give small MCMB, diameter below 8μm, with good spherical shape and smooth surface at PI yield over 40wt%.
AB - The preparation of mesocarbon microbeads (MCMB) had been carried out by heat-treating a medium coal tar pitch at 420°C for 2 hours in the presence of aluminum chloride(AlCl3). A larger number of MCMB with small diameter were obtained. The isolated MCMB were observed by scanning electron microscope. The average diameters of the MCMB were measured by laser particle size analyzer. The PI(pyridine insoluble) yields were determined from the weight of the extracted residue. The effects of AlCl3 on preparation of MCMB had been studied. It was found that AlCl3 promotes the formation of MCMB in coal tar pitch. The sphere size and PI yield increase with increasing in the amount of AlCl3, the size distribution becomes wide gradually at the same time. The amount of AlCl3 from 3 to 5wt% appears optimum to give small MCMB, diameter below 8μm, with good spherical shape and smooth surface at PI yield over 40wt%.
UR - http://www.scopus.com/inward/record.url?scp=52649133494&partnerID=8YFLogxK
U2 - 10.1109/INEC.2008.4585433
DO - 10.1109/INEC.2008.4585433
M3 - 会议稿件
AN - SCOPUS:52649133494
SN - 9781424415731
T3 - 2008 2nd IEEE International Nanoelectronics Conference, INEC 2008
SP - 39
EP - 42
BT - 2008 2nd IEEE International Nanoelectronics Conference, INEC 2008
T2 - 2008 2nd IEEE International Nanoelectronics Conference, INEC 2008
Y2 - 24 March 2008 through 27 March 2008
ER -