Grafting polythiophene on polyethylene surfaces

N. Chanunpanich, Abraham Ulman, Y. M. Strzhemechny, S. A. Schwarz, J. Dormicik, A. Janke, H. G. Braun, T. Kratzmüller

Research output: Contribution to journalArticle

Abstract

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 FeCl3 in CHCl3, 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 10-6 S cm-1, a significant increase from the value of ∼10-14 S cm-1 measured for PE film.

Original languageEnglish (US)
Pages (from-to)172-178
Number of pages7
JournalPolymer International
Volume52
Issue number1
DOIs
StatePublished - Jan 2003

Fingerprint

Polyethylene
Polyethylenes
Polymers
Thiophenes
Thiophene
Polymerization
Anions
polythiophene
Suspensions
Ethanol
Substitution reactions
Negative ions
Gases
Imaging techniques
Thin films
Scanning electron microscopy

Keywords

  • Bromination
  • Grafting
  • Polyethylene
  • Polythiophene
  • Surface modification

ASJC Scopus subject areas

  • Polymers and Plastics

Cite this

Chanunpanich, N., Ulman, A., Strzhemechny, Y. M., Schwarz, S. A., Dormicik, J., Janke, A., ... Kratzmüller, T. (2003). Grafting polythiophene on polyethylene surfaces. Polymer International, 52(1), 172-178. https://doi.org/10.1002/pi.1016

Grafting polythiophene on polyethylene surfaces. / Chanunpanich, N.; Ulman, Abraham; Strzhemechny, Y. M.; Schwarz, S. A.; Dormicik, J.; Janke, A.; Braun, H. G.; Kratzmüller, T.

In: Polymer International, Vol. 52, No. 1, 01.2003, p. 172-178.

Research output: Contribution to journalArticle

Chanunpanich, N, Ulman, A, Strzhemechny, YM, Schwarz, SA, Dormicik, J, Janke, A, Braun, HG & Kratzmüller, T 2003, 'Grafting polythiophene on polyethylene surfaces', Polymer International, vol. 52, no. 1, pp. 172-178. https://doi.org/10.1002/pi.1016
Chanunpanich N, Ulman A, Strzhemechny YM, Schwarz SA, Dormicik J, Janke A et al. Grafting polythiophene on polyethylene surfaces. Polymer International. 2003 Jan;52(1):172-178. https://doi.org/10.1002/pi.1016
Chanunpanich, N. ; Ulman, Abraham ; Strzhemechny, Y. M. ; Schwarz, S. A. ; Dormicik, J. ; Janke, A. ; Braun, H. G. ; Kratzmüller, T. / Grafting polythiophene on polyethylene surfaces. In: Polymer International. 2003 ; Vol. 52, No. 1. pp. 172-178.
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