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Advances in Concrete Construction Volume 11, Number 4, April 2021 , pages 323-333 DOI: https://doi.org/10.12989/acc.2021.11.4.323 |
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Application of poly(vinyl acetate) and poly(1,4-butylene adipate) hydrophobic surface coatings on cementitious mortar specimens |
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Irem Sanal, Bestenur Yalcin, Ibrahim Ertugrul Yalcin and Lutfi Arda
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| Abstract | ||
| The main objective of this study is to characterize and evaluate the hydrophobic performance of polymer-based water-repellent coatings on cementitious mortar surfaces. Different concentrations of poly(vinyl acetate) (PVAc) and poly(1,4- butylene adipate) (PBA) were prepared in the laboratory and their applicability and performance was tested experimentally by water absorption test and analysis of surface contact angles of cementitious mortar specimens. According to the results of this study, it can be stated that incorporation of nano polymer particles on the surface of cementitious mortar specimens can enhance contact angles and reduce water absorption by increasing hydrophobicity. However, a dosage limit exists for polymer materials in coating, and observed hydrophobic improvements decreases when polymer dosage reached beyond the limit. Additionally, it is observed that water absorption of polymer coated cementitious mortars is closely related with the results of surface contact angle. | ||
| Key Words | ||
| concrete; cementitious mortar; hydrophobic; water contact angle; water absorption | ||
| Address | ||
| Irem Sanal: Department of Civil Engineering, Faculty of Engineering and Natural Sciences, Bahcesehir University, 34353, Besiktas, Istanbul, Turkey Bestenur Yalcin: Department of Medical Laboratory Techniques, Vocational School of Health Services, Bahcesehir University, 34353, Besiktas, Istanbul, Turkey Ibrahim Ertugrul Yalcin: Department of Civil Engineering, Faculty of Engineering and Natural Sciences, Bahcesehir University, 34353, Besiktas, Istanbul, Turkey Lutfi Arda: Department of Mechatronics Engineering, Faculty of Engineering and Natural Sciences, Bahcesehir University, 34353, Besiktas, Istanbul, Turkey | ||
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