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Journal of Dispersion Science and Technology Volume 34, 2013 - Issue 4
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Original Articles

Adsorption of SDBS and Its Effect on Rheology of Preformed Particle Gels

Shuren Liu School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, P. R. China
,
Wanli Kang School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, P. R. ChinaCorrespondence[email protected]
,
Runmei Yang School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, P. R. China
,
Baojun Bai School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, P. R. China; Department of Geological Science and Engineering, Missouri University of Science and Technology, Rolla, Missouri, USA
,
Haoyang Zhao School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, P. R. China
,
Haiming Fan School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, P. R. China
&
Bin Xu School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, P. R. China
 show all
Pages 539-545 | Received 13 Mar 2012, Accepted 21 Mar 2012, Published online: 29 Mar 2013
 
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Abstract

The adsorption of anionic surfactant sodium dodecylbenzenesulfonate (SDBS) onto preformed particle gels (PPGs) and the effect of SDBS on the swelling ratio and rheology of PPGs were investigated. SDBS molecules can adsorb onto PPGs because of the hydrophobic association with the chain of PPGs at low concentration and the association of the SDBS micelles with the chains of PPGs at high concentration. PPGs contract and the shear stress of PPGs decreases after adsorption of SDBS. In addition, the storage modulus decreases first and then increases with increasing SDBS concentration.

Acknowledgments

The authors acknowledge the projects (No. 20873181 and 21273286) supported by the NSFC, the project (No. ts20070704) supported by Taishan Scholars Construction Engineering, and the Natural Science Foundation of Shandong Province (ZRA10E8006).

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