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Synthesis and structural characterization of a liquid polyisoprene bearing amidoxime end groups

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  • معلومة اضافية
    • Contributors:
      Institut national des sciences appliquées Rouen Normandie (INSA Rouen Normandie); Institut National des Sciences Appliquées (INSA)-Normandie Université (NU); Equipe de Chimie Organique et Biologie Structurale (ECOBS); Institut National des Sciences Appliquées (INSA)-Normandie Université (NU)-Institut National des Sciences Appliquées (INSA)-Normandie Université (NU); Polymères, biopolymères, membranes (PBM); Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences appliquées Rouen Normandie (INSA Rouen Normandie); Institut National des Sciences Appliquées (INSA)-Normandie Université (NU)-Institut National des Sciences Appliquées (INSA)-Normandie Université (NU)-Université de Rouen Normandie (UNIROUEN); Normandie Université (NU)
    • بيانات النشر:
      Springer Science and Business Media LLC, 2011.
    • الموضوع:
      2011
    • نبذة مختصرة :
      Azo-bis(isobutyroamidoxime) was synthesized and used as functionalized initiator to prepare a liquid isoprene bearing amidoxime end groups via radical polymerization. The polymer was characterized by FT-IR, Gel Permeation Chromatography and NMR. In particular, the structure of the polymer was investigated using 1D and 2D NMR techniques. The distribution of the different isoprene units (1,4-trans, 1,4-cis, 1,2 and 3,4), as well as the structure of the amidoxime end-groups was determined. It was found that the structure of the end groups was governed by the steric hindrance of the initiator. Only 1,4 and 4,1 functionalized end units were evidenced, with a majority of 4,1 end units.
    • ISSN:
      1572-8935
      1022-9760
    • Rights:
      CLOSED
    • الرقم المعرف:
      edsair.doi.dedup.....f8ef3745e0037b3943074bcc1491621e