Abstract
Polynorbornene dicarboxylic anhydride (PNA)/fluorosilica hybrid coating materials with good hydrophobicity, oleophobicity, transparency, thermal stability, and hardness were synthesised using a sol–gel method. The surface structure, transparency, hydrophobicity, oleophobicity, and surface free energy of the coating could be controlled by adjusting the fluorosilane ratio. The maximum static water and oil contact angles of films were 112° and 87°, respectively. The PNA/fluorosilica hybrid films exhibited good transparency and colourlessness. The marks written using water and oil-based pens on the films could be erased with a tissue even after eight times. In addition, the hardness of the hybrid films was enhanced to 4H with increasing fluorosilane content.
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Acknowledgments
The work was supported by the National Research Foundation of Korea (NRF) Grant funded by the Ministry of Education, Science and Technology, Korea (MEST) (Acceleration Research Program (No. 2012-0000108), Pioneer Research Center Program (No. 2012-0000421/2012-0000422), and WCU program), a grant from the Fundamental R&D Program for Core Technology of Materials funded by the Ministry of Knowledge Economy, Korea, and the Brain Korea 21 Project of the MEST.
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Sung, G., Choi, MC., Nagappan, S. et al. Polynorbornene/fluorosilica hybrids for hydrophobic and oleophobic coatings. Polym. Bull. 70, 619–630 (2013). https://doi.org/10.1007/s00289-012-0882-z
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DOI: https://doi.org/10.1007/s00289-012-0882-z