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Colloids Interfaces 2018, 2(2), 21;

Wettability and Adhesion Work Prediction in the Polymer–Aqueous Solution of Surface Active Agent Systems

Department of Interfacial Phenomena, Faculty of Chemistry, Maria Curie-Skłodowska University, Maria Curie-Skłodowska Sq. 3, 20-031 Lublin, Poland
Author to whom correspondence should be addressed.
Received: 12 April 2018 / Revised: 16 May 2018 / Accepted: 16 May 2018 / Published: 18 May 2018
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The wettability of solids by aqueous solutions of surfactants is very important in many practical applications. Thus, the measured advancing contact angles of aqueous solutions of chosen surfactants on polyethylene (PE) and those taken from the literature on polytetrafluoroethylene (PTFE), poly(methyl methacrylate) (PMMA), and polyamide (nylon 6) were analyzed. Based on the measured values of the contact angles and the literature data of the surface tensions of the studied surfactant solutions, their adsorption at the PE–water interface and the work of adhesion (Wa) were determined. The values of Wa to PE calculated on the basis of the contact angles and surface tensions of these solutions were compared to those determined by applying the new Lifshitz–van der Waals component of the water–PE surface tension. There was a good agreement between the Wa values determined in two different ways. Their contact angles were calculated using the values of PE surface tension, the new Lifshitz–van der Waals component of the water surface tension, and the surface tension of aqueous solutions of the studied surfactants. The contact angle values calculated in such a way were close to the measured values. In the case of PTFE, the same relations were obtained. The values of Wa to PMMA and nylon 6 could be also predicted. View Full-Text
Keywords: surfactants; wettability; adhesion; polymers surfactants; wettability; adhesion; polymers

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Zdziennicka, A.; Krawczyk, J.; Jańczuk, B. Wettability and Adhesion Work Prediction in the Polymer–Aqueous Solution of Surface Active Agent Systems. Colloids Interfaces 2018, 2, 21.

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