COLLOIDAL PROPERTIES OF ALPHA-SULFONATED FATTY-ACID METHYL-ESTERS AND THEIR APPLICABILITY IN HARD WATER

被引：23

作者：

FUJIWARA, M

MIYAKE, M

ABE, Y

机构：

[1] Surface Science Research Center, Lion Corporation, Tokyo, 132

来源：

COLLOID AND POLYMER SCIENCE | 1993年 / 271卷 / 08期

关键词：

ALPHA-SULFONATED FATTY ACID METHYL ESTERS; HARDNESS TOLERANCE; KRAFFT POINT; PRECIPITATION PHASE BOUNDARY;

D O I：

10.1007/BF00660095

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 calcium salts of alpha-sulfonated fatty acid methyl esters were prepared, and the physico-chemical properties such as solubility, critical micelle concentration, aggregation number, and precipitation phase boundary were studied to clarify the reasons for the good hardness tolerance manifested by alpha-sulfonated fatty acid methyl esters. The Krafft point of the calcium salts of alpha-sulfonated fatty acid methyl esters were not necessarily lower than room temperature, but the rate of crystallization in hard water was extremely slow compared with the calcium salt of dodecyl sulfate, which has been known as an insufficient surfactant in terms of hardness tolerance.

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页码：780 / 785

页数：6

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