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表面活性剂对硅灰石制SiO₂物性的影响

Study on the effect of surfactant on characteristics of SiO₂ prepared from wollastonite

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【Author】 CHEN Qing chun,DENG Hui yu, MA Yan ming,ZHOU Ping hua,WANG Ting ji (Department of Material Science and Engineering,East Chian Institute of Technology,Linchuan Jiangxi 344000,China)

【机构】东华理工学院材料科学与工程系；东华理工学院材料科学与工程系江西临川344000；江西临川344000；江西临川344000；

【摘要】研究了聚乙二醇、双十二烷基二甲基氯化铵、十二烷基苯磺酸钠三种表面活性剂单独或复配对硅灰石制SiO2 物性如产率、比表面积、视密度、DBP吸着率等的影响。结果表明 ,聚乙二醇单独作用时产物产率最高 ,比表面积最大 ,DBP吸着率最高 ,视密度最小。相反地 ,双十二烷基二甲基氯化铵与十二烷基苯磺酸钠复配时产物产率最低 ,比表面积最小 ,DBP吸着率最低 ,视密度最大。文章还讨论了造成上述结果的原因及各物性间的相互影响。更多还原

【Abstract】 The effect of surfactants such as PEG,ammonium didodecayldimethyl chloride,sodium dodecaylbenzenesulfonate(DBSNa) on the characteristics of SiO 2 prepared from wollastonite was studied.The results showed that the product which PEG acted alone had the highest product rate,specific surface area and DBP adsorption rate and the lowest aparent density.On the other hand,they were opposite when ammonium didodecayldimethyl chloride and sodium dodecaylbenzenesulfonate acted together.更多还原