Properties and Vesicle Formation in Mixed Systems of a Branched Anionic Carboxylate Surfactant and a Cationic Surfactant

被引:4
|
作者
Li, Jun [1 ]
Li, Yunling [2 ]
Zhang, Qinghong
Song, Yongbo [1 ]
Wang, Zhifei [1 ]
机构
[1] Daily Chemisry Co Ltd, China Res Inst, 34 Wenyuan St, Taiyuan 030001, Shanxi, Peoples R China
[2] Daily Chemisry Co Ltd, China Res Inst, Engn, Taiyuan, Shanxi, Peoples R China
关键词
Mixtures; synergism; wetting; emulsifying; vesicles; NONIONIC SURFACTANTS; ETHER CARBOXYLATE; PHASE-BEHAVIOR; MIXTURES; BROMIDE; MICELLE;
D O I
10.3139/113.110658
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
Mixtures of the anionic surfactant AEC(7)-Na (branched alcohol ether carboxylate) and the cationic surfactant didecylmethylhy-droxyethylammonium chloride (DEQ) were systematically investigated. The results showed that the mixtures possess synergisms. The DEQ-AEC(7)-Na mixture with a mass ratio of 1:1 showed the best result in terms of surface activity, wettability and emulsifying performance. However, when the mass ratio m(DEQ):m(AEC(7)-Na) = 8:2, the foaming ability and foam stability of the individual surfactants are better. Vesicles smaller than 100 nm coexist with worm-like micelles as soon as a small amount of AEC(7)-Na is added to DEQ (m(DEQ):m(AEC(7)-Na)= 8:2). At m(DEQ):m(AEC(7)-Na) = 4:6 and 2:8, vesicles of approximately 80 nm were observed.
引用
收藏
页码:74 / 81
页数:8
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