| N-辛基-2- 吡咯烷酮表面活性剂复配体系的研究 |
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| 引用本文： | 周蕊,毛娜,邓榴,刘芸. N-辛基-2- 吡咯烷酮表面活性剂复配体系的研究[J]. 精细化工, 1999, 16(5): 100 |
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| 作者姓名： | 周蕊 毛娜 邓榴 刘芸 |
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| 作者单位： | 清华大学,化学系,北京,100084 |
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| 摘 要： | 研究了３０℃下Ｎ 辛基吡咯烷酮（Ｃ８Ｐ） 分别与十二烷基硫酸钠（ＳＤＳ） 、十六烷基三甲基溴化铵（Ｃ１６ ＴＡＢ）的水溶液表面张力随浓度的变化。计算这２ 种复配体系中的分子相互作用参数βσ、βＭ 值分别为－２ ．７０ ，－２ ．７８ ，－ １．２７，－ ０．８７，并比较了这２ 种复配体系的协同效应
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| 关 键 词： | 辛基-2-吡咯烷酮 十二烷基硫酸钠 十六烷基三甲基溴化铵 表面张力 分子作用参数 协同效应 |
Surface Properties of Surfactant Mixtures Containing N-Octyl-pyrrolidone |
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| ZHOU Rui,MAO Na,DENG Liu,LIU Yun. Surface Properties of Surfactant Mixtures Containing N-Octyl-pyrrolidone[J]. Fine Chemicals, 1999, 16(5): 100 |
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| Authors: | ZHOU Rui MAO Na DENG Liu LIU Yun |
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| Abstract: | The surface tension at the aqueous solution /air interface for binary systems of N octyl pyrrolidone (C 8P) —sodium dodecyl sulfate (SDS) and N octyl pyrrolidone (C 8P)—cetyl trimethyl ammonium bromide (C 16 TAB) was measured at 30 ℃. Surface tension-concentration curves for individual purified surfactants and their binary mixtures at a fixed molar ratio are used to calculate the molecular interaction parameters β σ and β M. The values of β σ and β M in the two mixtures are -2.70,-2.78;-1.27,-0.87,respectively.The experimental results show synergism in surface tension reduction efficiency for these two systems. |
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| Keywords: | N octyl pyrrolidone sodium dodecyl sulfate cetyl trimethyl ammonium bromide surface tension molecular interaction parameters synergism |
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