SYNTHESIS AND CHARACTERIZATION OF BLOCK COPOLYMERS BEARING WITH TEMPO

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  • TEMPOを含むブロック共重合体の合成と特性評価

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Abstract

Anionic block copolymerization of 4-methacryloyloxy-2,2,6,6-tetramethylpiperidin-1-oxyl (TEMA) with 2-diethylaminoethyl methacrylate (DEAEMA) was carried out in THF at -78°C in the presence of LiCl. In addition, the resulting copolymer were reacted with C_8 F_17 COOH in order to ntroduce the ionic bond-formed perfluorooctyl group at PDEAEMA segment. The resulting copolymers always possessed controlled molecular weights and rather narrow molecular weight distributions. The characteristic signal for TEMPO radical was observed in ESR spectra of the block copolymers. These results clearly showed the coexistence of TEMPO radical with carbanionic species during the reactions. The redox potential of the copolymers was studied by a cyclic voltammetry.

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Details 詳細情報について

  • CRID
    1390290699807626752
  • NII Article ID
    120005860266
  • NII Book ID
    AA12677220
  • DOI
    10.15002/00013377
  • HANDLE
    10114/12724
  • ISSN
    21879923
  • Text Lang
    ja
  • Data Source
    • JaLC
    • IRDB
    • CiNii Articles
  • Abstract License Flag
    Allowed

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