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Abstract:
季铵盐Gemini表面活性剂C_(12)-s-C_(12)·2Br(s=2,3,4,6)与丙醇、丁醇、戊醇、己醇混合水溶液的In(cmc)随温度升高而逐渐增大.计算所得热力学数据表明,C_(12)-s-C_(12)·2Br与醇混合胶团化过程服从熵驱动机理,也出现了焓/熵补偿现象。随着温度上升,熵驱动力增大,在指定温度时,醇分子烷烃链上碳原子数n增大使△G_m~0值减小,胶团结构更加稳定;而增加s使△G_m~0值增大,胶团稳定性下降。
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高等学校化学学报
Year: 2003
Issue: 05
Page: 845-849
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WoS CC Cited Count: 0
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ESI Highly Cited Papers on the List: 0 Unfold All
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