Synthesis and Properties of a New Fluoropolymer Obtained by Cyclopolymerization

  • M. Nakamura
  • T. Kawasaki
  • M. Unoki
  • K. Oharu
  • N. Sugiyama
  • I. Kaneko
  • G. Kojima

Abstract

Unconjugated 1,5- and 1,6-dienes are known to undergo intramolecular-intermolecular polymerization or cyclopolymerization to form polymers with cyclic mainchain structure1) , but a very few are reported about cyclopolymerization of fluoro- or perfluorodienes. Perfluorodienes with a general formula CF2=CF-(CF2 x CF=CF2 (x=1 to 4) and CF2=CFCF2 CFCℓCF2 CF=CF2 are reported to be cyclopolymerized under extreme high pressure (e.g.13.6katm) and gamma radiation, to yield amorphous soluble polymers2) . Perfluorinated divinylether with the formula of CF2 =CFOCF2 CF2 OCF = CF2 is also reported to be cyclopolymerized, but to form a gel containing polymer under the monomer concentration exceeding 12%3) (Scheme 1).

Keywords

Benzene Chlorine Pyrolysis Vinyl Fluorine 

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References

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    Butler GB, Encyclopedia Polymer Sci. Techn., 4Google Scholar
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    Wall LA, Fluoropolymers, Wiley-Science, 4, High Pressure Polymerization,127Google Scholar
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    Satokawa T et al, Fussojushi, Nikkan Kogyo Shinbunsha, p.29Google Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 1991

Authors and Affiliations

  • M. Nakamura
    • 1
  • T. Kawasaki
    • 1
  • M. Unoki
    • 1
  • K. Oharu
    • 1
  • N. Sugiyama
    • 1
  • I. Kaneko
    • 1
  • G. Kojima
    • 1
  1. 1.ASAHI GLASS Co. LtdResearch CenterYokohama-shi, Kanagawa 221Japan

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