引用本文:
李缨, 黄碧, 黄敏丽, 赵孔双, 疋田巧. 助表面活性剂对阴/阳离子表面活性剂复配形成微乳液的影响[J]. 应用化学,
2003, 20(5): 424-428.
Citation: LI Ying, HUANG Bi, HUANG Min-Li, ZHAO Kong-Shuang, HIKIDA Takumi. Effects of Alcohols on Formation of Microemulsion from Mixed Anionic/Cationic Surfactants[J]. Chinese Journal of Applied Chemistry, 2003, 20(5): 424-428.
Citation: LI Ying, HUANG Bi, HUANG Min-Li, ZHAO Kong-Shuang, HIKIDA Takumi. Effects of Alcohols on Formation of Microemulsion from Mixed Anionic/Cationic Surfactants[J]. Chinese Journal of Applied Chemistry, 2003, 20(5): 424-428.
助表面活性剂对阴/阳离子表面活性剂复配形成微乳液的影响
摘要:
测定了十二烷基磺酸钠(AS)/十六烷基三甲基溴化铵(CTAB)/短碳链醇/正庚烷/水体系和十二烷基硫酸钠(SDS)/CTAB/短碳链醇/正庚烷/水体系的微乳液拟三元相图,比较了不同短碳链单一醇及混合醇作助表面活性剂时对微乳液形成的影响。同时用盐度扫描方法探讨阴/阳离子表面活性剂/助表面活性剂/正庚烷/水/不同价态盐类(NaCl,CaCl2,AlCl3)复配体系形成中相微乳液的规律,获得了有关醇在微乳形成中的作用、盐宽及盐的价态如何影响中相微乳区域等有益结果,为微乳液的研究及应用提供了理论数据。
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关键词:
- 阴/阳离子表面活性剂
- / 微乳液
- / 中相微乳液
- / 盐度扫描
English
Effects of Alcohols on Formation of Microemulsion from Mixed Anionic/Cationic Surfactants
Abstract:
The quasi-three-component phase diagrams of microemulsion system composed of AS/CTAB/alcohol/n-C7H16/H2O and SDS/CTAB/alcohol/n-C7H16/H2O have been used to investigate the formation of middle phase microemulsion as function of the kinds of salt and alcohols.It is found that alcohol plays a significant role in formation of microemulsion (ME) and middle phase microemulsion (MPME);and the alcohol mixture such as n-C3H7OH+n-C4H9OH and i-C3H7OH+n-C4H9OH are superior in microemulsion formation to the single ones;as to the effect of salts,the protosalt appears more favourable.
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Key words:
- ionic surfactant
- / microemulsion
- / phase diagram
- / salinity scanning
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