阴离子型微乳液的电导行为及其溶液结构 |
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引用本文: | 郭荣,李干佐.阴离子型微乳液的电导行为及其溶液结构[J].化学学报,1987,45(1):55-58. |
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作者姓名: | 郭荣 李干佐 |
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作者单位: | 扬州师范学院化学系 扬州(郭荣),山东大学化学系 济南(李干佐) |
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摘 要: | 根据电导测量,研究了属于W/O→双连续→O/W一类微乳液的十二烷基硫酸钠(SDS)/正丁醇/辛烷/水体系的溶液结构.并探讨了表面活性剂离子对微乳液导电行为的贡献,以及表面活性剂与助表面活性剂含量、油含量对微乳液溶液结构的影响.微乳液的导电行为在W/O子区域中主要是由于SDS阴离子和在O/W子区域中是由于Na离子的影响.在双连续区(IZ)中SDS阴离子和Na阳离子都能影响导电行为增加表面活性剂含量有助于形成O/W微乳液,而助表面活性剂和油含量都增加有助于于形成W/O微乳液.
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关 键 词: | 水 丁醇 高级烷烃 P 阴离子表面活性剂 电导率 辛烷 P 硫酸钠 十二碳化合物 溶液化学 相图 |
Electrical conduction behaviour and solution structure of anionic microemulsion |
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Abstract: | Conductivity measurements show that there are 3 types of sub-regions (W/O, IZ and O/W) in the SDS/BuOH/n-C8H18/H2O microemulsion. Conduction behavior of the microemulsion is due mainly to the SDS anion in the W/O and Na+ ion in the O/W sub-regions, resp. In the bi-continuous region (IZ), both the SDS anion and Na+ make their contributions to conduction. Increasing surfactant content helps to form O/W microemulsion, but both increasing cosurfactant and initial oil content help to form W/O microemulsion. |
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Keywords: | WATER BUTANOL HIGHER ALKANE P ANIONIC SURFACTANTS ELECTRICAL CONDUCTIVITY OCTANE P SODIUM SULFATE C12 COMPOUNDS SOLUTION CHEMISTRY PHASE DIAGRAM |
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