以异丙醇铝为主要原料,采用醇盐水解结合水热处理的合成方法,制备出了高纯度、高结晶度、易分散的勃姆石型纳米氢氧化铝材料.实验结果表明,醇铝水解后生成拟薄水铝石,然后在水热条件下转变为勃姆石;升高水解温度和水热温度,延长水热时间有利于提高勃姆石型氢氧化铝的结晶度.
参考文献
[1] | Chatterjee M.;Siladitya B.;Ganguli D.;Enkhtuvshin D. .Hollow alumina microspheres from boehmite sols[J].Journal of Materials Science,1998(20):4937-4942. |
[2] | Ananthakumar S;Hareesh U S;Damodaran A D et al.Microwave drying of sol-gel alumina-30vol% SiC precursor for particulate ceramic matrix composites[J].Journal of Materials Science Letters,1998,17:145. |
[3] | Asnin L D;Fedorov A A .Adsorption of chlorobenzene on γ-Al2O3 obtained by calcination of boehmite at various temperatures[J].Russian Journal of Applied Chemistry,2003,76:719. |
[4] | Furuta S;Katsuki H;Takagi H .Preparation and properties of fibrous boehmite sol and its application for thin porous membrane[J].Journal of Materials Science Letters,1994,13:1077. |
[5] | Hota, G.;Kumar, B.R.;Ng, W.J.;Ramakrishna, S. .Fabrication and characterization of a boehmite nanoparticle impregnated electrospun fiber membrane for removal of metal ions[J].Journal of Materials Science,2008(1):212-217. |
[6] | Ginberg E E;Saradzhey V V;Levin I et al.Preparation of fine alumina powders by hydrolysis of aluminum isopropy late[J].Russian Journal of Applied Chemistry,2002,75(02):245. |
[7] | Yoldas B E .Hydrolysis of aluminum alkoxides and bayerite conversion[J].Journal of Applied Chemistry and Biotechnology,1973,23(11):803. |
[8] | Zakharchenya R I;Vasilevskaya T N .Influence of hydrolysis temperature on the hydrolysis products of aluminium allkoxides[J].Journal of Materials Science,1994,29:2806. |
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