Conducting graft copolymers of poly(3-methylthienyl methacrylate) with pyrrole and thiophene

Ali Çirpan, Selmiye Alkan, Levent Toppare*, Yeşim Hepuzer, Yusuf Yaǧci

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

50 Citations (Scopus)


A thiophene-functionalized methacrylate monomer (3-methylthienyl methacrylate) was synthesized via the esterification of 3-thiophene methanol with methacryloyl chloride. The methacrylate monomer was polymerized by free-radical polymerization in the presence of azobisisobutyronitrile as the initiator. Graft copolymers of poly(3-methylthienyl methacrylate) (PMTM2) and polypyrrole and of PMTM2 and polythiophene were synthesized by constant-potential electrolyses, p-Toluene sulfonic acid, sodium dodecy] sulfate, and tetrabutylammonium tetrafluoroborate were used as the supporting electrolytes. PMTM2-coated platinum electrodes were used as anodes in the polymerization of pyrrole and thiophene. Moreover, the oxidative polymerization of poly(3-methylthienyl methaerylate) (PMTM1) was studied with FeCl3 as the oxidant. The self-polymerization of PMTM1 was also investigated by galvanostatic electrolysis both in dichloromethane and in propylene carbonate. The structures of PMTM1 and PMTM2 were investigated by several spectroscopic and thermal methods. The grafting process was elucidated with conductivity measurements, Fourier transform infrared spectroscopy, differential scanning calorimetry, thermogravimetric analysis, and scanning electron microscopy studies.

Original languageEnglish
Pages (from-to)4131-4140
Number of pages10
JournalJournal of Polymer Science, Part A: Polymer Chemistry
Issue number23
Publication statusPublished - 10 Oct 2002


  • Conducting eopolymers
  • Electrochemical polymerization
  • Graft eopolymers
  • Polypyrroles


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