Formation of 3,6-di-tert-butyl-2-hydroxyphenoxyl radicals upon the inhibition of polymerization of methyl methacrylate by the system containing 3,6-di-tert-butylpryocatechol and 3,6-di-tert-butyl-1,2-benzoquinone

  • L. I. Mazaletskaya
  • G. V. Karpukhina
  • G. G. Lazarev
  • A. I. Prokofev
  • N. L. Komissarova
  • I. S. Belostotskaya
  • V. V. Ershov
Brief Communications

Conclusions

3,6-Di-tert-butyl-2-hydroxyphenoxyl radicals (QH.) were detected by EPR spectroscopy in a mixture of 3,6-di-tert-butylpyrocatechol (QH2) and 3,6-di-tert-butyl-1,2-benzoquinone (Q) in the polymerization of methyl methacrylate. The rate constant for the reaction QH2 + Q⇄ 2QH. and the rate contants for the forward and back reactions were determined at 60°C.

Keywords

Polymerization Spectroscopy Methyl Benzoquinone Methacrylate 

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Literature cited

  1. 1.
    L. I. Mazaletskaya and G. V. Karpukhina, Kinet. Katal.,30, No. 2, 308 (1989).Google Scholar
  2. 2.
    A. I. Prokof'ev, N. N. Bubnov, and S. P. Solodovnikov, et al., Dokl. Akad. Nauk SSSR,210, 361 (1973).Google Scholar
  3. 3.
    B. L. Tumanskii, S. P. Solodovnikov, A. I. Prokof'ev, et al., Izv. Akad. Nauk SSSR, Ser. Khim., No. 6, 1309 (1977).Google Scholar

Copyright information

© Plenum Publishing Corporation 1989

Authors and Affiliations

  • L. I. Mazaletskaya
    • 1
  • G. V. Karpukhina
    • 1
  • G. G. Lazarev
    • 1
  • A. I. Prokofev
    • 1
  • N. L. Komissarova
    • 1
  • I. S. Belostotskaya
    • 1
  • V. V. Ershov
    • 1
  1. 1.N. N. Semenov Institute of Chemical PhysicsAcademy of Sciences of the USSRMoscow

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