Papers by Keyword: Anodic Oxidization

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Authors: Chang Hai Du, Yan Shen, Lin Ping Sun, Xiang Chun Meng
Abstract: A novel solid base catalyst, structured MgO/Al2O3-Al catalyst packing, was prepared by supporting MgO onto a thin film of alumina that was formed by anodic oxidation of high purity aluminium foils. Some preparation parameters including the molar ratio of Mg(NO3)2•6H2O to CH3(CH2)16COOH, the aging time, the calcination temperature and time were investigated by using the catalyst for the condensation of acetone to diacetone alcohol. Each of those factors had some influence on the catalyst activity and an optimum value was obtained. The conversion of acetone was 20.2%, and the selectivity to diacetone alcohol was 100% under the optimized preparation conditions.
Authors: Xiao Feng Zhang, Jing Sheng Zhang, Yong Lai Lu, Yan Dong Liu, Li Liu, Yu Zuo, Wen Gang Li
Abstract: The bonding properties between the solution polymerized styrene-butadiene rubber (SSBR) and 2A70 aluminum alloy with treatment of anodic oxidation by sulfuric acid or ethane acid were investigated. The influences of three treating methods were also studied. Two drying methods, which are vacuum method and normal pressure method affected on the properties of adhesive molecular immerging into the hole dispersing on the surface of aluminum alloy, were discussed. The results revealed that prolonging the time for anodic oxidation by both sulfuric acid and ethane acid can increase the thickness of the aluminum oxide layer.
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