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A Novel Approach on Preparation and Characterization of Thermosetting Fluorinated Polyurethane Coatings

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Abstract:

Thermosetting fluorinated polyurethane coating was prepared by using fluorinated polyether polyol (FPO) as the soft segment, 4,4`-diphenylmethane diisocyanate (MDI) as the hard segment, TEA as crosslinking agent. The structure ofthermosetting fluorinated polyurethane coating was confirmed by the use of Fourier transform infrared spectroscopy (FTIR).The FPU film’s surface property was investigated by contact angle (CA),water resistance and anti-corrosion resistance measurements. The results indicated that the surface of fluorinated polyurethanes was significantly enriched with fluorine groups. The water resistance of thermosetting FPU coating was evidently better than thermoplastic FPU coating. It was also found that the surface enrichment of fluorine atoms made the fluorinated polyurethane coating had outstanding anti-corrosion resistance.

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Functional Materials Research View Preview

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Periodical:

Materials Science Forum (Volume 852)

Pages:

1025-1028

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.852.1025

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Online since:

April 2016

Authors:

Xia Wang, Jiao Jiao Hu, Ying Li

Keywords:

Anti-Corrosion Resistance, Surface Property, Thermosetting Fluorinated Polyurethane Coating, Water Resistance

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© 2016 Trans Tech Publications Ltd. All Rights Reserved

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