Modification of surface properties of carbon-based and polymeric materials through fluorination routes: From fundamental research to industrial applications |
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Authors: | A. Tressaud E. Durand A.P. Kharitonov |
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Affiliation: | a Institut de Chimie de la Matière Condensée de Bordeaux (ICMCB-CNRS), Université Bordeaux 1, 87 Avenue du Dr. A. Schweitzer, 33608 Pessac, France b Institute of Energy Problems of Chemical Physics (Branch) of the Russian Academy of Sciences, Chernogolovka, Moscow Region 142432, Russia |
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Abstract: | The outstanding characteristics of fluorine gas, e.g., extreme reactivity and oxidizing power, and the utmost electronegativity of F− ion, lead to very strong bonds between fluorine and most of the other elements of the periodical table. Treatments involving F2, fluorinated gases and rf plasma-enhanced fluorination (PEF) constitute exceptional tools for modifying the surface properties of materials. Many advantages of these techniques can be indeed outlined, when compared to more conventional methods: low-temperature reactions (even at room temperature), chemical modifications limited to surface only without changing the bulk properties, possible non-equilibrium reactions. Depending on the type of starting materials and employed techniques, the improved properties may concern wettability, adhesion, chemical stability, barrier properties, biocompatibility, grafting, mechanical behavior. Several examples of surface fluorination will be given on various types of carbon-based materials, elastomers and polymers. |
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Keywords: | Fluorine Surface fluorination Fluorinated rf plasmas Direct fluorination Carbon materials Elastomers Polymers XPS Permeation Membranes |
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