LAMELLAR TO VESICLE TRANSITIONS OF HIGHLY-CHARGED BILAYERS

被引:19
作者
RADLINSKA, EZ [1 ]
ZEMB, TN [1 ]
DALBIEZ, JP [1 ]
NINHAM, BW [1 ]
机构
[1] CTR ETUD SACLAY,SERV CHIM MOLEC,F-91191 GIF SUR YVETTE,FRANCE
关键词
D O I
10.1021/la00035a020
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
We study the phase diagram of the binary didodecyldimethylammonium acetate/water system from 4.4 x 10(-6) to 0.1 volume fraction of surfactant using classical and dynamic light scattering, SANS, and electrical conductivity measurements. A thermodynamically stable dilute vesicular phase exists at concentrations below 0.005 surfactant volume fraction. With increased concentration of surfactant a symmetric sponge (L3) phase and lamellar phase are observed separated by a two-phase region. The symmetric sponge phase exists in the concentration region from 5 x 10(-3) to 2.5 x 10(-2) volume fraction.
引用
收藏
页码:2844 / 2850
页数:7
相关论文
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