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alpha-癸基甜菜碱的表面活性和胶体性质

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Indexed by:期刊论文

Date of Publication:2009-01-01

Journal:日用化学工业

Included Journals:PKU、ISTIC、CSCD

Volume:39

Issue:2

Page Number:85-88

ISSN No.:1001-1803

Key Words:alpha-癸基甜菜碱; 表面活性; 胶体性质

Abstract:研究了两性表面活性剂alpha-癸基甜菜碱的表面活性与溶液性质.alpha-癸基甜菜碱亲水基团的立体结构有利于正、负电荷的相互作用,使得表面吸附
   层和胶束中表面活性剂分子排列更加紧密.实验测得溶液的最低表面张力为38.2
   mN/m,临界胶束浓度为6.9*10~(-3)mol/L,胶束形成标准自由能为-22.3
   kJ·mol~(-1),胶束聚集数为74;表面活性剂溶液在等电点pH区域具有最低表面张力和临界胶束浓度.

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