Kinetics of radical polymerization-XXII. Mechanism of the reaction between phenols and polyvinyl acetate radicals

M. Simonyi, F. Tüdo, S. Holly, J. Pospišil

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

The rate determining step in the reactions between phenols and polyvinyl acetate radicals is hydrogen transfer from the phenols. The experimental evidence is (1) the very slight reactivity of the alkyl and acyl derivatives, and (2) the kinetic isotope effect. Since a rapid isotopic exchange occurs between deuterated phenols and traces of moisture present in the medium, the isotope effect is measurable only by saturation of the monomer with heavy water. Electron-repelling substituents in the phenols increase the kinetic isotope effect. The differences between the reactivities and isotope effects of hydro-quinone and pyrocatechol may be interpreted by assuming a direct interaction between the oxygen atoms of the ortho-isomer.

Original languageEnglish
Pages (from-to)559-572
Number of pages14
JournalEuropean Polymer Journal
Volume3
Issue number4
Publication statusPublished - Nov 1967

Fingerprint

Polyvinyl acetates
Free radical polymerization
Isotopes
isotope effect
phenols
Phenols
acetates
polymerization
Kinetics
kinetics
reactivity
Deuterium Oxide
Heavy water
heavy water
quinones
moisture
Isomers
Hydrogen
oxygen atoms
Moisture

ASJC Scopus subject areas

  • Polymers and Plastics
  • Organic Chemistry

Cite this

Kinetics of radical polymerization-XXII. Mechanism of the reaction between phenols and polyvinyl acetate radicals. / Simonyi, M.; Tüdo, F.; Holly, S.; Pospišil, J.

In: European Polymer Journal, Vol. 3, No. 4, 11.1967, p. 559-572.

Research output: Contribution to journalArticle

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