Low-concentration aqueous solutions of undecenoic acid and sodium undecenoate

被引：5
|
作者：
Rodríguez, JL
Schulz, PC
Puig, JE
机构：
[1] Univ Nacl Sur, Dept Quim & Ingn Quim, RA-8000 Bahia Blanca, Buenos Aires, Argentina
[2] Univ Guadalajara, Ctr Univ Ciencias & Ingn, Dept Ingn Quim, Guadalajara 44430, Jalisco, Mexico
来源：
COLLOID AND POLYMER SCIENCE | 1999年 / 277卷 / 11期
关键词：
polymerizable surfactant; micelles; undecenoic acid; sodium undecenoate; critical micelle concentration;
D O I：
10.1007/s003960050492
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The behaviors of low-concentration aqueous solutions of 10-undecenoic acid and its sodium salt were studied by several techniques. The acid does not have a critical micelle concentration, but gives an emulsion of very small droplets at (0.8-1) x 10(-4) mol dm(-3). The emulsion was clearly visible by eye at 0.002 mol dm(-3) The sodium salt has a stepwise aggregation process, giving premicellar aggregates at 0.023 +/- 0.008 mol dm(-3), which grow to form micelles at 0.117 +/- 0.007 mol dm(-3). The compositions of the solution and the micelles were also studied.
引用
收藏
页码：1072 / 1078
页数：7
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