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CN101269829B 一种大比表面积的γ-Al2O3材料及其制备方法 有权

一种大比表面积的γ-Al2O3材料及其制备方法
摘要：
本发明涉及一种大比表面积γ-Al2O3材料及其制备方法，将异丙醇铝溶于异丙醇中，在45-80℃下搅拌10-20小时至溶解，加入牛奶和水，继续搅拌4小时，装入反应釜，在80℃晶化3天，将得到的粉末，在600℃灼烧4小时即得到γ-Al2O3，原料按质量配比如下：1异丙醇铝∶40-60异丙醇∶40-60H2O，异丙醇和牛奶的质量比3-5∶1；本制备方法大大提高了γ-Al2O3的比表面积，降低了合成成本，材料在石油化工和化学工业研究和生产上具有广泛的应用。
摘要（英）：

The invention relates to materials with high surface area Gamma-Al2O3 and a preparation method thereof. The proportion of aluminum isopropoxide, semi-fluorinated surface active agent, H2O and NH3H2O is 1:0.05-0.1:40-60H2O:4-6 according to the quality, or the proportion of aluminum isopropoxide, isopropanol and H2O is 1:40-60:40-60. The isopropanol and milk react by 3-5:1, and the molecular formula of the semi-fluorinated surface active agent is (CF2) x (EO) y (CF2) z, which is obtained under the burning of 600 DEG C, wherein, x is equal to 1-25, y is equal to 1-106, z is equal to 0-25, Gamma-Al2O3BET is 357 m<2> per gram, the pore volume is 0.74cm<3> per gram, and the average pore diameter is about 6nm to 9nm, thereby greatly improving the specific surface area of Gamma-Al2O3 and reducingthe synthesizing cost. Materials have wide application on petrochemical industry and the study and the production of the chemical industry.

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