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

被引:4
|
作者
Liu, Shuren [1 ]
Kang, Wanli [1 ]
Yang, Runmei [1 ]
Bai, Baojun [1 ,2 ]
Zhao, Haoyang [1 ]
Fan, Haiming [1 ]
Xu, Bin [1 ]
机构
[1] China Univ Petr East China, Sch Petr Engn, Qingdao, Peoples R China
[2] Missouri Univ Sci & Technol, Dept Geol Sci & Engn, Rolla, MO USA
关键词
Adsorption; preformed particle gel; rheology; SDBS; POLYELECTROLYTE GELS; CONFORMANCE CONTROL; SUPERABSORBENT; SURFACTANT; HYDROGELS; POLYMER; ACID); PARAMETERS; SEPARATION; BEHAVIOR;
D O I
10.1080/01932691.2012.683976
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
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.
引用
收藏
页码:539 / 545
页数:7
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