THE COMPOSITION OF NONIONIC SURFACTANT MIXTURES AT THE AIR/WATER INTERFACE AS DETERMINED BY NEUTRON REFLECTIVITY

被引：46

作者：

PENFOLD, J ^{[1
]}

STAPLES, E ^{[1
]}

THOMPSON, L ^{[1
]}

TUCKER, I ^{[1
]}

机构：

[1] UNIVLEVER RES,PORT SUNLIGHT LAB,WIRRAL,MERSEYSIDE,ENGLAND

来源：

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 1995年 / 102卷

关键词：

AIR/WATER INTERFACE; NONIONIC SURFACTANT MIXTURES; NEUTRON REFLECTIVITY;

D O I：

10.1016/0927-7757(95)03228-6

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：

Neutron reflectivity has been used to study the adsorption of non-ionic mixtures at the air/water interface. Measurements have been made over a wide concentration range from below to above the critical micellar concentration (CMC), (10(-5) -10(-2) M). The data provides a direct qualitative confirmation of the abrupt changes in surface composition at the CMC due to the onset of mixed micelle formation predicted recently by Nikas, Puvvada, and Blankschtein, Langmuir, 8 (1992) 2680. The data for concentrations below the CMC are compared with the earlier results of Rosen and Hua, J. Colloid Interface Sci., 86 (1982) 164.

引用

页码：127 / 132

页数：6

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