Fixation of ionic liquids into polyether-based polyurethane films to maintain long-term antistatic properties |
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| Affiliation: | 1. Department of Biotechnology, Tokyo University of Agriculture and Technology, 2-24-16 Naka-cho, Koganei, Tokyo 184-8588, Japan;2. Functional Ionic Liquid Laboratories, Graduate School of Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Naka-cho, Koganei, Tokyo 184-8588, Japan;3. Iwata & Co., Ltd., 1-2-11, Nishiki, Naka-ku, Nagoya, Aichi 460-0003 Japan;1. College of Material, Chemistry and Chemical Engineering, Hangzhou Normal University, No. 16 Xuelin Rd., Hangzhou 310036, People''s Republic of China;2. Solvay Co. Ltd, Yindu Rd., Shanghai 201100, People''s Republic of China;1. Coating Technology Research Laboratory, Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran;2. Applied Chemistry Research Laboratory, Department of Chemistry, Faculty of Science, University of Zanjan, Zanjan, Iran;1. School of Chemistry, Faculty of Science, Universidad Industrial de Santander, Cra 27 Calle 9 Main Campus, Bucaramanga, Colombia;2. Faculty of Chemistry, Pontifical Catholic University of Rio Grande do Sul, Av Ipiranga, 6681 Porto Alegre, Brazil;1. ADLER-Werk Lackfabrik Johann Berghofer GmbH & Co KG, Austria;2. University Innsbruck, Institute of General, Inorganic and Theoretical Chemistry, Austria;1. State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China;2. Institute of Materials Science and Engineering, Ocean University of China, Qingdao 266100, China;3. Institute of Nanoscience and Nanotechnology, Lanzhou University, Lanzhou 730000, China;4. Department of Mechanical and Biomedical Engineering, City University of Hong Kong, 999077, Hong Kong, China;5. Qingdao Center of Resource Chemistry and New Materials, Qingdao 266100, China;6. Public Technical Service Center, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China |
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| Abstract: | Ionic liquids (ILs) were fixed into polyether-based polyurethane (PU) films for sustainable antistatic properties. Preliminarily, ILs were screened in terms of efficiency of antistatic effect. Surface resistivity (ρs) for IL-doped PU films changed depending the anion species, and the smallest ρs was found for the PU films containing bis(trifluoromethanesulfonyl)imide (Tf2N])-type ILs. Then, Tf2N]-type ILs composed of ammonium cations having hydroxyl groups were fixed into the PUs through urethane bonds. The fixation of 1000 ppm of the ILs reduced the ρs of the PU films from 2.1 × 1012 to 2.1 × 109 Ω sq?1. These IL-fixed PU films were revealed to possess high washing durability confirmed by negligible change of ρs before and after ultra-sonication treatment in methanol. |
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| Keywords: | Ionic liquids Antistatic effect Polyurethanes |
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