Radical cyclopolymerization of divinyl ethers. The polymerization kinetics and the polymer structure

Toshimitsu Mitsuo, Toyoki Kunitake

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The radical polymerizations of divinyl ether (DVE), cis-propenyl vinyl ether (PVE) and 2-methylpropenyl vinyl ether (CH3-PVE) were carried out with AIBN initiator. The polymers were composed of five-membered monocyclic units with pendent unsaturated groups and [3, 3, 0]bicyclic units. The bicyclization was favored at low monomer concentrations and with methyl-substituted monomers. The microstructures of the polymers were determined by 13C-NMR spectroscopy, through extensive use of the model compounds. A common cyclopolymerization process has emerged from the data obtained. The monomers react exclusively at the unsubstituted vinyl group, and the trans ring closure produces five-membered monocyclic radicals which then propagate intermolecularly or cyclize to give trans-fused bicyclic units.

Original languageEnglish
Pages (from-to)657-669
Number of pages13
JournalPolymer Journal
Volume13
Issue number7
DOIs
Publication statusPublished - Jan 1 1981

All Science Journal Classification (ASJC) codes

  • Polymers and Plastics
  • Materials Chemistry

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