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Journal of Dispersion Science and Technology Volume 37, 2016 - Issue 12
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Original Articles

Dynamic Surface Activity and Dynamic Spreading Behavior of Isotridecanol Ethoxylates Solutions

Dianlong ZhangCollege of Chemistry and Chemical Engineering, Taiyuan University of Technology, Taiyuan, Shanxi, P. R. China;Department of Chemistry, Shanxi Datong University, Datong, Shanxi, P. R. China
,
Wenshan QuDepartment of Chemistry, Shanxi Datong University, Datong, Shanxi, P. R. China
,
Zhe LiCollege of Chemistry and Chemical Engineering, Taiyuan University of Technology, Taiyuan, Shanxi, P. R. ChinaCorrespondence[email protected]
&
Cuiping ZhangTaiyuan Health School, Taiyuan, Shanxi, P. R. China
Pages 1778-1782 | Received 01 Dec 2015, Accepted 22 Dec 2015, Published online: 26 May 2016
 
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Abstract

The dynamic surface activity in solutions and dynamic spreading on low-energy surfaces of isotridecanol ethoxylates with two different units were investigated by using the Wilhelmy plate, maximum bubble pressure, and contact angle method. The dynamic surface activity was analyzed by using the classical Rosen model, and the dynamic spreading was depicted by decay function. The equilibrium contact angle (θe value) and the spread rate (K value) were suggested to evaluate effectiveness and efficiency of spreading.

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