SURFACE AND MICELLAR PROPERTIES OF SODIUM 1-ALKYL DECANE SULFONATES

被引：11

作者：

GRANET, R

PIEKARSKI, S

机构：

[1] Faculte des Sciences, France

来源：

COLLOIDS AND SURFACES | 1988年 / 33卷 / 3-4期

关键词：

Liquids--Surface Tension - Sodium Chloride--Solutions;

D O I：

10.1016/0166-6622(88)80071-4

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：

Surface and thermodynamic properties of well-purified sodium 1-alkyl decane sulfonates in aqueous solutions and in sodium chloride solutions were measured at 45°C. The solubility, critical micelle concentration (CMC), minimum area per molecule, and standard thermodynamic parameters of adsorption and micellization were studied. The minimum area per molecule at the air-aqueous interface increases from 0.57 to 1.04 nm2 when the side-chain length is increased from 0 to 9 carbon atoms. The CMC value of the ethyl and butyl decane sulfonates is somewhat higher in comparison with their straight chain homologues.

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页码：321 / 336

页数：16

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