Surfactant adsorption dynamics

被引:20
作者
Eastoe, J
Rankin, A
Wat, R
Bain, CD
机构
[1] Univ Bristol, Sch Chem, Bristol BS8 1TS, Avon, England
[2] Univ Oxford, Phys & Theoret Chem Lab, Oxford OX1 3QZ, England
基金
英国工程与自然科学研究理事会;
关键词
D O I
10.1080/01442350121251
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
Advances in techniques for investigating dynamic adsorption of surfactants at the air-water interface are discussed. Of particular interest are the maximum-bubble-pressure method. and the interrogation of adsorption layers on an overflowing cylinder (OFC) cell using ellipsometry, surface-light scattering, laser Doppler velocimetry and neutron reflection. Recent studies described here, with a model di-chain anionic fluorocarbon surfactant sodium bis(1H, 1H-nonafluoro-n-pentyl) sulphosuccinate (di-CF4) demonstrate that the OFC presents an ideal flexible platform for investigating dynamics of adsorption from solutions. Under certain conditions the behaviour is consistent with an activated-diffusion mechanism, as has been found previously fur simple alcohols and various other non-ionic and ionic surfactants.
引用
收藏
页码:357 / 386
页数:30
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