Rheology of emulsions stabilized by solid interfaces

被引:57
作者
Bressy, L
Hébraud, P
Schmitt, V
Bibette, J
机构
[1] Ecole Super Phys & Chim Ind Ville Paris, LCN, CNRS, UMR 7612, F-75231 Paris 05, France
[2] Ecole Super Phys & Chim Ind Ville Paris, LPM, CNRS, UMR 7615, F-75231 Paris 05, France
[3] Ctr Rech Paul Pascal, CNRS, UPR 8641, F-33600 Pessac, France
关键词
D O I
10.1021/la0264466
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The rheological behavior of soybean oil emulsions stabilized by sodium caseinate is studied. While having a very low interfacial tension, these emulsions, when concentrated up to an oil volume fraction of 64%, have a very high elasticity. It is 30 times higher than those usually observed for surfactant-stabilized emulsions. We show that this high elasticity originates from the interfacial shear elasticity of the bilayer interface. So, sodium caseinate stabilized droplets can be regarded as droplets coated with a solid shell.
引用
收藏
页码:598 / 604
页数:7
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