ADSORPTION-KINETICS MEASUREMENTS OF SOME NONIONIC SURFACTANTS

被引：44

作者：

MILLER, R

LUNKENHEIMER, K

机构：

[1] Acad of Sciences of the German, Democratic Republic, Central Inst of, Organic Chemistry, Berlin-Adlershof,, Acad of Sciences of the German Democratic Republic, Central Inst of Organic Chemistry, Berlin-Adler

来源：

COLLOID AND POLYMER SCIENCE | 1986年 / 264卷 / 04期

关键词：

ADSORPTION - Reaction Kinetics;

D O I：

10.1007/BF01418196

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：

Dynamic surface tension values of aqueous surfactant solutions were measured by using the ring and plate method. The mean diffusion coefficients calculated on the basis of the purely diffusion controlled adsorption model vary between 2. 10** minus **6 to 7. 10** minus **6 cm**2/s for all surfactants studied: n-alkanols, n-alkanoic acids, dimethyl and diethyl n-alkyl phosphine oxides. That means the surfactants investigated adsorb with a purely diffusion controlled adsorption mechanism and no barriers exist to hinder sorption processes.

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页码：357 / 361

页数：5

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