Bituminous emulsions and their characterization by atomic force microscopy

被引:0
|
作者
Loeber, L [1 ]
Alexandre, S
Muller, G
Triquigneaux, JC
Jolivet, Y
Malot, M
机构
[1] CNRS, UMR 6522, F-76821 Mont St Aignan, France
[2] Univ Rouen, F-76821 Mont St Aignan, France
[3] Univ Havre, Chim Lab, F-76600 Le Havre, France
[4] SCR Beugnet, F-78142 Velizy Villacoublay, France
[5] TOTALFINA Raffinage & Mkt, Ctr Rech, F-76700 Harfleur, France
关键词
adsorption; atomic force microscopy; bitumen; emulsions; film formation; scanning electron microscopy; surfactant;
D O I
暂无
中图分类号
TH742 [显微镜];
学科分类号
摘要
We present a new method for observing oil-in-water emulsions with a continuous water phase and a dispersed bitumen phase. The fine polydispersed bitumen micelles were adsorbed to an atomically smooth mica substrate and imaged in solution by atomic force microscopy in a liquid cell. The height of the adsorbed bitumen sheet in wet and dry states can be measured and the homogeneity of film formation by coalescence can be determined. Localization of surfactant onto and between bitumen micelles is also visualized.
引用
收藏
页码:10 / 16
页数:7
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