Cationic photopolymerization of liquid fullerene derivative under visible light
Corresponding Author
Kalle Lintinen
Department of Chemistry and Bioengineering, Tampere University of Technology, FIN-33101, Tampere, Finland
Department of Chemistry and Bioengineering, Tampere University of Technology, FIN-33101, Tampere, FinlandSearch for more papers by this authorAlexander Efimov
Department of Chemistry and Bioengineering, Tampere University of Technology, FIN-33101, Tampere, Finland
Search for more papers by this authorSami Hietala
Laboratory of Polymer Chemistry, University of Helsinki, FIN-00014, Helsinki, Finland
Search for more papers by this authorShijo Nagao
Nordic Hysitron Laboratory, Helsinki University of Technology, FIN-02015, Espoo, Finland
Search for more papers by this authorPasi Jalkanen
Nordic Hysitron Laboratory, Helsinki University of Technology, FIN-02015, Espoo, Finland
Search for more papers by this authorNikolai Tkachenko
Department of Chemistry and Bioengineering, Tampere University of Technology, FIN-33101, Tampere, Finland
Search for more papers by this authorHelge Lemmetyinen
Department of Chemistry and Bioengineering, Tampere University of Technology, FIN-33101, Tampere, Finland
Search for more papers by this authorCorresponding Author
Kalle Lintinen
Department of Chemistry and Bioengineering, Tampere University of Technology, FIN-33101, Tampere, Finland
Department of Chemistry and Bioengineering, Tampere University of Technology, FIN-33101, Tampere, FinlandSearch for more papers by this authorAlexander Efimov
Department of Chemistry and Bioengineering, Tampere University of Technology, FIN-33101, Tampere, Finland
Search for more papers by this authorSami Hietala
Laboratory of Polymer Chemistry, University of Helsinki, FIN-00014, Helsinki, Finland
Search for more papers by this authorShijo Nagao
Nordic Hysitron Laboratory, Helsinki University of Technology, FIN-02015, Espoo, Finland
Search for more papers by this authorPasi Jalkanen
Nordic Hysitron Laboratory, Helsinki University of Technology, FIN-02015, Espoo, Finland
Search for more papers by this authorNikolai Tkachenko
Department of Chemistry and Bioengineering, Tampere University of Technology, FIN-33101, Tampere, Finland
Search for more papers by this authorHelge Lemmetyinen
Department of Chemistry and Bioengineering, Tampere University of Technology, FIN-33101, Tampere, Finland
Search for more papers by this authorAbstract
We describe the synthesis and cationic photopolymerization of a C60 derivative bearing a 2,4,6-tris(epoxynonyloxy)phenyl moiety (FB9ox). Rheological analysis of monomer indicates that temperature of 130 °C yields sufficiently low viscosity for polymerization. A thin film of the liquid monomer has been cationically photopolymerized with a photoinitiator system of curcumin and p-(octyloxyphenyl)phenyliodonium hexafluoroantimonate, which harvests 424 nm light instead of commonly used ultraviolet light. The degree of polymerization was determined with ATR-IR. The reaction is the first recorded photopolymerization of a fullerene derivative thin film. The polymer exhibits good mechanical and chemical stabilities. The polymerization can also be achieved by annealing at 150 °C without illumination, but with a smaller degree of polymerization. © 2008 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 46: 5194–5201, 2008
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