Dilational rheological properties of polyacrylamide solutions at interfaces

被引：0
|
作者：
Cao, Xu-Long
Li, Yang
Jiang, Sheng-Xiang
Sun, Huan-Quan
Dou, Li-Xia
机构：
[1] Geological Science Research Institute, Shengli Oilfield Company Limited, China National Petrochemical Corporation, Dongying 257015, China
[2] Lanzhou Institute of Chemical Physics, Chinese Academy of Science, Lanzhou 730000, China
来源：
Shiyou Daxue Xuebao/Journal of the University of Petroleum China | 2005年 / 29卷 / 02期
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摘要：
The changes of interfacial viscoelasticity along with measuring time and the effect of partially hydrolyzed polyacrylamide (PHPAM) concentration and type viscoelasticity at the interface between PHPAM and dodecane were investigated by means of dilational method. The results show that response of interfacial adsorption process can be made by interfacial viscoelasticity. Elasticity plays an important role for PHPAM/dodcane system even though contribution of viscosity in viscoelasticity goes up along with the increase of PHPAM concentration. Moreover, different viscoelasticity characteristics at different interfaces for PHPAM solution were also found. Among those three interfaces were experimented, and the order of the numerical value of viscoelasticity from large to small is PHPAM/air interface, PHPAM/dodecane interface and PH-PAM/crude oil interface.
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页码：70 / 72
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