14-3(OH)-14(2Cl)/Brij-30混合水溶液的相图及流变行为

doi:10.13218/j.cnki.csdc.2017.02.001

日用化学工业 ›› 2017, Vol. 47 ›› Issue (2): 61-66.doi: 10.13218/j.cnki.csdc.2017.02.001

• 基础研究 • 下一篇

14-3(OH)-14(2Cl)/Brij-30混合水溶液的相图及流变行为

姚美焕^1,3, 魏西莲²

1.河南师范大学化学化工学院,河南新乡 453007;
2.聊城大学化学化工学院,山东聊城 252059;
3.中国科学院兰州化学物理研究所固体润滑国家重点实验室,甘肃兰州 730000

收稿日期:2016-10-19 发布日期:2019-03-19
作者简介:姚美焕(1982-),女,山东人,实验师,博士,电话:15836069531,E-mail:gtymh@163.com。
基金资助:
中国科学院兰州化学物理研究所固体润滑国家重点实验室开放课题(LSL-1507);河南省高等学校重点科研项目(17A150032)

Phase diagram and rheological behaviors of 14-3(OH)-14(2Cl)/Brij-30 blend aqueous solution

YAO Mei-huan^1,3, WEI Xi-lian²

1.School of Chemistry and Chemical Engineering,Henan Normal University,Xinxiang,Henan 453007,China;
2.School of Chemistry and Chemical Engineering,Liaocheng University,Liaocheng,Shandong 252059,China;
3.State Key Laboratory of Solid Lubrication,Lanzhou Institute of Chemical Physics,Chinese Academy of Sciences,Lanzhou,Gansu 730000,China

Received:2016-10-19 Published:2019-03-19

摘要/Abstract

摘要： 采用重量法在25 ℃时绘制了双子阳离子表面活性剂2-羟亚丙基-1,3-双(二甲基十四烷基氯化铵)(14-3(OH)-14(2Cl))/非离子表面活性剂月桂醇聚氧乙烯醚(Brij-30)/水三元体系的相图。通过目测并结合偏光显微镜研究了相图中几个不同的相区。用稳态和动态剪切流变方法得到了单纯双子阳离子表面活性剂及几个相区内不同聚集体的流变特性。根据测定的流变参数分析和判断相区内聚集体的流体行为及结构特征。结果表明,黏弹性蠕虫状胶束的流变行为遵循Maxwell模型,具有单一松弛时间。

关键词: 双子阳离子表面活性剂, 非离子表面活性剂, 三元相图, 流变行为

Abstract: A ternary phase diagram of a blend system composed of a cationic Gemini surfactant 2-hydroxypropylidene-1,3-bis(myristyldimethylammonium chloride) (herein refers to as 14-3(OH)-14(2Cl)),a nonionic surfactant polyoxyethylene lauryl ether (herein refers to as Brij-30) and H₂O was worked out by using weighing method at 25 ℃.Several different phase regions in the phase diagram were studied by visual observation with the help of a polarizing microscope.The rheological properties of aqueous solutions of single 14-3(OH)-14(2Cl) and separate aggregations in several phase regions were obtained by steady and dynamic shear rheometry.Based upon the rheological parameters determined,the fluid behavior and structural characteristics in the phase regions were judged and analyzed.Results showed that rheological behavior of viscoelastic wormlike micelles follows Maxwell model with a single stress relaxation time period.

Key words: Gemini cationic surfactant, nonionic surfactant, ternary phase diagram, rheological behavior

中图分类号:

TQ423

姚美焕, 魏西莲. 14-3(OH)-14(2Cl)/Brij-30混合水溶液的相图及流变行为[J]. 日用化学工业, 2017, 47(2): 61-66.

YAO Mei-huan, WEI Xi-lian. Phase diagram and rheological behaviors of 14-3(OH)-14(2Cl)/Brij-30 blend aqueous solution[J]. China Surfactant Detergent & Cosmetics, 2017, 47(2): 61-66.

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14-3(OH)-14(2Cl)/Brij-30混合水溶液的相图及流变行为

Phase diagram and rheological behaviors of 14-3(OH)-14(2Cl)/Brij-30 blend aqueous solution

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