Dilational properties of tri-substituent sodium alkyl benzene sulfonates with different structures at the air/water and decane/water interfaces

被引：10

作者：

Zhang Lei ^{[1
]}

Wang Xiao-Chun ^{[1
]}

Gong Qing-Tao ^{[1
]}

Luo Lan ^{[1
]}

Zhang Lu ^{[1
]}

Zhao Sui ^{[1
]}

Yu Jia-Yong ^{[1
]}

机构：

[1] Chinese Acad Sci, Tech Inst Phys & Chem, Beijing 100080, Peoples R China

来源：

ACTA PHYSICO-CHIMICA SINICA | 2007年 / 23卷 / 12期

关键词：

sodium alkyl benzene sulfonate; surface; interface; dilational modulus;

D O I：

10.3866/PKU.WHXB20071210

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 dilational theological properties of a pair of structural isomers: sodium 2-propyl-4,5-dihexyl benzene sulfonate (366) and sodium 2,5-dipropyl-4-nonyl benzene sulfonate(393) at the air/water and deeane/water interfaces were investigated by drop shape analysis method. The influences of concentration on dilational modulus were expounded. The experimental results showed that the 5-alkyl played an important role in the surface dilational modulus, while the dimension of surfactant molecule dominated the interfacial dilatinal modulus.

引用

页码：1881 / 1885

页数：5

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