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氯化镁介质中PAA在Al_2O_3表面吸附作用的研究 被引量:1

Adsorption Study of PAA onto Alumina Powder in Magnesium Chloride Solutions
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摘要 研究了氯化镁介质中分散剂聚丙烯酸在氧化铝表面的吸附情况.发现盐浓度和PH对吸附曲线均有显著影响.与氯化钠介质中的吸附情况相比,镁离子的存在使PAA的吸附量明显提高,当PAA加入浓度为1570mg/L时,对应吸附曲线的最大值.镁离子与聚丙烯酸形成络合聚合物吸附在氧化铝表面. The paper presents the results on the adsorption behaviour of polyacrylic acid onto alumina with the presence of magnesium ions. Both the salt concentration and pH have great influence on the adsorption isotherms. Comparing with the adsorption behaviour in sodium chlo- ride solution, magnesium ions can enhance the adsorption amount obviously. Magnesium ions are co-adsorbed onto alumina powders as a complex with PAA.
作者 孙静 高濂
出处 《无机材料学报》 SCIE EI CAS CSCD 北大核心 2002年第1期86-90,共5页 Journal of Inorganic Materials
关键词 MgCl2介质 PAA AL2O3粉体 陶瓷浆料 吸附作用 氯化镁介质 聚丙烯酸 表面吸附 氧化铝 magnesium chloride solution alumina PAA adsorption behaviour
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参考文献10

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同被引文献12

  • 1吴会军,向兰,金永成,金涌.高分散氢氧化镁粉体的制备及其影响因素[J].无机材料学报,2004,19(5):1181-1185. 被引量:43
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  • 6Li Yah, Zhuang Jing, Sun Xiao, et al. Formation of rod - like Mg( OH)2 nanocrystallites under hydrothermal conditions and the conversion to MgO nanorods by thermal dehydration [J]. Materials Chemistry and Physics ,2002,76 : 119 - 122.
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  • 9王步国,施尔畏,仲维卓.几种极性有机晶体的生长习性与形成机理 Ⅱ.分子堆积、界面结构与晶体的习性[J].化学学报,1998,56(4):320-327. 被引量:5
  • 10金永成,向兰,金涌.溶液组成对氢氧化镁水热改性的影响[J].海湖盐与化工,2002,31(1):1-4. 被引量:50

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