Abstract
Fluorinated polycarbonate-based UV-curable polyurethane acrylate (F-PCUA) was synthesized by incorporating 1H, 1H, 2H, 2H-Perfluoro-1-octanol to the end of polycarbonate-based PUA chains. The structure of F-PCUA was determined by 1H-NMR, 19F-NMR, and FTIR analyses. The physical, surface, and thermal properties of F-PCUA were also examined. The F-PCUA was used as a hydrophobic additive in PUA coatings, and the water and oil wettability of the UV-cured film was investigated by contact angle measurements. The results showed that the coating system had great hydrophobicity. Furthermore, X-ray photoelectron spectroscopy research confirmed that a hydrophobic fluorine-enriched surface was obtained in the coating system. Moreover, the mechanical and chemical properties of the hydrophobic coatings did not show deterioration with the introduction of elemental F.
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Acknowledgments
We acknowledge the financial support from the National Science Foundation of China (No. 51403082), the National Nature Science Foundation of Jiangsu Province (No. BK20130153), and the Fundamental Research Funds for the Central Universities (JUSRP11514).
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Liu, J., Wang, B., Yuan, Y. et al. Synthesis of fluorinated polycarbonate-based polyurethane acrylate for UV-curable coatings. J Coat Technol Res 14, 233–241 (2017). https://doi.org/10.1007/s11998-016-9847-8
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DOI: https://doi.org/10.1007/s11998-016-9847-8