A simple and effective test method of the emulsion stability

被引:0
|
作者
Li, XF
Chen, ZR
Li, HR
Han, SJ [1 ]
机构
[1] Zhejiang Univ, Dept Chem, Hangzhou 310027, Peoples R China
[2] Zhejiang Univ, Dept Chem Engn, Hangzhou 310027, Peoples R China
关键词
emulsion stability; stability number; optimum HLB;
D O I
暂无
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
An innovational test method was developed on the basis of redefinition of the emulsion stability. The stability was characterized by relative volume percentage of disperse phase demulsified thoroughly from the top part and the bottom past of an emulsion sample, each weighting the same amount, after being settled for a given time at constant temperature. Three series of emulsions were prepared and tested successfully which were emulsions of paraffin oil and water stabilized with polyoxyethylene lauryl ether series (AEO(3) and AEO(9)) at various HLBs, and emulsions of rapeseed oil and water stablized with sorbitan monoleate (Span80) and each of polyoxyethylene (20) sorbitan carboxylic esters (Tween20, Tween40, Tween60, Tween80 and Tween85) at different HLBs. It proved that this method is especially workable while the boundaries are opaque in a wide range of HLBs and is capable of offering an accurate optimum HLB.
引用
收藏
页码:200 / 203
页数:4
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