Interactions Working between the Clay Particle-Clay Particle and Solvent Water as Studied from Views of the Physical Chemistry of Solutions

从溶液物理化学角度研究粘土颗粒-粘土颗粒与溶剂水之间的相互作用

• 批准号: 08640644
• 负责人: KAWAIZUMI Fumio
• 金额: $ 1.34万
• 依托单位: Nagoya University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 1996
• 资助国家: 日本
• 起止时间: 1996 至 1997
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-08640644/
• 关键词: clay solutions; intercalation; solute-solvent interaction; compressibility; surfactant; 粘度溶液; 部分比体積; ゼータ電位

The artificial clay saponite was taken as sample and the intercalation of surfactants with different chain length was investigated by the measurement of ultrasonic velocity, density, and zeta-potentials, and X-ray diffraction. Major results obtained are summarized as follows :1) The stability conditions of sample solution with regard to time and concentration have been confirmed.2) Surfactants trialkylammonium bromide C_nTAB where n is equal to 8,10,12, or 14 was used. To the aqueous solutions of these samples, very dilute clay solutions were added and the changes in ultrasonic velocity were measured with an apparatus based on the sing-around techniques. The adiabatic compressibilities obtained from the data of velocity and density have shown that the surfactants are intercalated.3) The difference in the adiabatic compressibilities DELTAkappa=kappa_<soln>-kappa_<solv> varied regularly with carbon number of the alkyl chain.4) The interlamillar distances of the intercalated clay varies with n, indicating the intercalation.5) zeta-potential measurements supports the above mentioned results.6) The thermodynamic quantities of monoatomic-monoatomic systems were evaluated on the basis of the integral equation theory in the statistical mechanics of solutions.

以人造粘土皂石为样品，通过超声速度、密度、zeta电位和X射线衍射的测量研究了不同链长表面活性剂的插层情况。获得的主要结果总结如下：1）样品溶液相对于时间和浓度的稳定性条件已得到确认。2）使用表面活性剂三烷基溴化铵C_nTAB，其中n等于8、10、12或14。向这些样品的水溶液中添加非常稀的粘土溶液，并使用基于环绕技术的装置测量超声波速度的变化。由速度和密度数据得到的绝热压缩率表明表面活性剂是插层的。3)绝热压缩率的差异DELTAkappa=kappa_<soln>-kappa_<solv>随烷基链碳数的变化而有规律地变化。4)插层粘土的层间距随n变化，表明插层。5) zeta电位测量支持了上述结果。6)基于解统计力学中的积分方程理论，对单原子-单原子体系的热力学量进行了评估。

项目成果

F.Kawaizumi(他3名): "Pressure and temperature dependence of esccess therm odynamic quantities of hennard-jones binary misctures" Fluid Phase Equilibrium. 136(1). 37-47 (1997)

F. Kawaiizumi（其他 3 人）：“hennard-jones 二元错误的逸出热力学量的压力和温度依赖性”流体相平衡 136(1)。

F.Kawaizumi, M.Ohba, T.Fukuyama, H.Nomura: "Pressure and temperature dependence of excess thermodynamic quantities of Lennard-Jones binary mixtures" Fluid Phase Equilibrium. 136. 37-47 (1997)

F.Kawaizumi、M.Ohba、T.Fukuyama、H.Nomura：“Lennard-Jones 二元混合物的过量热力学量的压力和温度依赖性”流体相平衡。

F.Kawaizumi et al: "Pressure and temperature deplndence of eoccess thermodynamic quantities of Lennard-Jones linary miactures" Fluid Phase Equilibrium. 136(1). 37-47 (1997)

F.Kawaizumi 等人：“Lennard-Jones 线性模型的 eoccess 热力学量的压力和温度依赖性”流体相平衡。