Polynorbornene/fluorosilica hybrids for hydrophobic and oleophobic coatings

Autor:	Giju Sung, Mijeong Han, Saravanan Nagappan, Chang-Sik Ha, Myeon-Cheon Choi, Won-Ki Lee
Rok vydání:	2012
Předmět:	Materials science Polymers and Plastics Coating materials General Chemistry engineering.material Condensed Matter Physics Surface energy Contact angle Coating Materials Chemistry engineering Surface structure Thermal stability Composite material
Zdroj:	Polymer Bulletin. 70:619-630
ISSN:	1436-2449 0170-0839
DOI:	10.1007/s00289-012-0882-z
Popis:	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.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::0a324e8b3aca5d923bed0c026c3f88b0 https://doi.org/10.1007/s00289-012-0882-z Zobrazit plný text záznamu Full text from SpringerLink