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中文摘要：
采用气泡压力张力仪测定了三硅氧烷吡啶类离子液体（[Si（3）Py]Cl）和三硅氧烷咪唑类离子液体（[Si（3）Mim]Cl）水溶液的动态表面张力,考察了浓度和温度对其动态表面张力的影响。根据Word-Tordai方程对所得数据进行分析,计算得出不同测定条件下离子液体分子吸附初始阶段和长时吸附阶段的扩散系数,得出上述2种离子液体在水中的吸附机理均属于混合动力控制吸附。
英文摘要：
Dynamic surface tension （DST） of trisiloxanepyridinium ionic liquid and trisiloxaneimidazolium ionic liquid aqueous solution were measured with bubble pressure tensiometer. Effects of concentration and temperature on DST were investigated in detail. Data obtained were analyzed in accordance with Word - Tordai equation, and the diffusion coefficients for ionic liquid molecular adsorption in initial time stage and long time stage under different conditions were figured out respectively. The results indicated that the adsorption mechanism of both above said two kinds of ionic liquid belongs to mixed diffusion- kinetic controlled adsorption.
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