SCI和EI收录∣中国化工学会会刊

Chinese Journal of Chemical Engineering ›› 2012, Vol. 20 ›› Issue (5): 1034-1038.

• • 上一篇    

Effect of Polyethylene Glycol on the Properties of γ-Al2O3 Formation by Polyaluminum Chloride*

赵长伟1, 王孝年2, 何劲松1, 王园园1, 栾兆坤1   

  1. 1. State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China;
    2. The Equipment Research Institute of PLA's Second Artillery, Beijing 100085, China
  • 收稿日期:2011-07-11 修回日期:2012-03-05 出版日期:2012-10-28 发布日期:2012-11-06
  • 通讯作者: ZHAOChangwei,E-mail:zhaocw@rcees.ac.cn
  • 基金资助:
    Supported by the National Natural Science Foundation of China (21076219);the Scientific Research Foundation for the Returned Overseas Chinese Scholars,State Education Ministry (ITLXHG2009071702)

Effect of Polyethylene Glycol on the Properties of γ-Al2O3 Formation by Polyaluminum Chloride*

ZHAO Changwei1, WANG Xiaonian2, HE Jingsong1, WANG Yuanyuan1, LUAN Zhaokun1   

  1. 1. State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China;
    2. The Equipment Research Institute of PLA's Second Artillery, Beijing 100085, China
  • Received:2011-07-11 Revised:2012-03-05 Online:2012-10-28 Published:2012-11-06
  • Supported by:
    Supported by the National Natural Science Foundation of China (21076219);the Scientific Research Foundation for the Returned Overseas Chinese Scholars,State Education Ministry (ITLXHG2009071702)

摘要: A polyaluminium chloride solution with high Al13 content self-prepared was used as material for preparing the spherical γ-Al2O3 by the sol-gel and oil-drop method. Polyethylene glycol with different molecular mass was used as surfactant to investigate the effect on property of γ-Al2O3. The physical property was characterized by 27Al NMR (nuclear magnetic resonance) spectra, X-ray diffraction, FT-IR (Fourier transform infrared spectroscopy) and TG-DTA (thermogravimetric-differential thermal analysis). The results showed that surface area, pore volume and pore size of γ-Al2O3 all increased with the increase of polyethylene glycol molecular mass in the experimental research range, and polyethylene glycol 10000 was the most suitable pore forming additive. γ-Al2O3 with surface area of 339 m2·g-1, pore volume of 0.59 cm3·g-1 and pore diameter of 6.9 nm were obtained at 450℃.

关键词: γ-Al2O3, polyaluminum chloride, preparation, polyethylene glycol

Abstract: A polyaluminium chloride solution with high Al13 content self-prepared was used as material for preparing the spherical γ-Al2O3 by the sol-gel and oil-drop method. Polyethylene glycol with different molecular mass was used as surfactant to investigate the effect on property of γ-Al2O3. The physical property was characterized by 27Al NMR (nuclear magnetic resonance) spectra, X-ray diffraction, FT-IR (Fourier transform infrared spectroscopy) and TG-DTA (thermogravimetric-differential thermal analysis). The results showed that surface area, pore volume and pore size of γ-Al2O3 all increased with the increase of polyethylene glycol molecular mass in the experimental research range, and polyethylene glycol 10000 was the most suitable pore forming additive. γ-Al2O3 with surface area of 339 m2·g-1, pore volume of 0.59 cm3·g-1 and pore diameter of 6.9 nm were obtained at 450℃.

Key words: γ-Al2O3, polyaluminum chloride, preparation, polyethylene glycol