Structure and water—oil emulsifying properties of asphaltenes |
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| Authors: | Bernard Siffert Claudine Bourgeois Eugène Papirer |
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| Affiliation: | Centre de Recherches sur la Physico-Chimie des Surfaces Solides — CNRS, 24 avenue du Président Kennedy, 68200 Mulhouse, France |
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| Abstract: | Alphaltenes were selected on the basis of their capacity to form water—oil emulsions. They were characterized by electron microscopy, surface group analysis, g.p.c. and low-angle X-ray scattering. It appears that the high stability of water-oil emulsions is related to the ‘structuring’ capacity of asphaltenes at the water-oil interface. Some asphaltenes are able to form regularly stacked layers, resembling the behaviour of surfactant liquid crystals. |
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| Keywords: | asphaltenes water-oil emulsion |
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