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Authors
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Chanunpanich, N. ; Ulman, A. ; Strzhemechny, Y.M. ; Schwarz, S.A. ; Dornicik, J. ; Rafailovich, M. ; Sokolov, J. ; Janke, A. ; Braun, H.-G. ; Kratzmüller, Th.
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Title
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Grafting polythiopenen on polyethylene surfaces
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Date
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06.06.2003
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Number
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11085
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Abstract
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Polythiophene (PT) was grafted on PE film using three reaction steps. First, PE films were brominated in the gas phase, yielding PE-Br; second, a substitution reaction of PE-Br with 2-thiophene thiolate anion gave the thiophene-functionalized PE; finally PT was grafted on the PE surface using chemical oxidative polymerization to give PE-PT. The polymerization was carried out in a suspension solution of anhydrous FeCl<SUB>3</SUB> in CHCl<SUB>3</SUB>, yielding a reddish PE-PT film after dedoping with ethanol. ATR-FTIR shows that the PT was grafted on PE in the 2,5-position. SEM imaging revealed islands of PT on the PE film. AFM analysis found the thickness of islands to be in the range of 120-145 nm. The conductivity of these thin films was in the range of 10<SUP>-6</SUP> S cm<SUP>-1</SUP>, a significant increase from the value of <IMGSRC="/giflibrary/12/sim.gif"BORDER="0">10<SUP>-14</SUP> S cm<SUP>-1</SUP> measured for PE film.
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Publisher
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Polymer International
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Wikidata
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Citation
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Polymer International 52 (2003) 172-178
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DOI
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https://doi.org/10.1002/pi.1016
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Tags
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