Zirconocene-catalyzed copolymerization of methyl methacrylate with other methacrylate monomers

Giorgos Karanikolopoulos, Christos Batis, Marinos Pitsikalis, Nikos Hadjichristidis*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

18 Scopus citations


Statistical copolymers of methyl methacrylate (MMA) with n-butyl-, s-butyl, t-butyl-, n-hexyl-, decyl-, stearyl-, allyl-, trimethylsilyl- and trimethylsilyloxyethyl methacrylate were prepared by zirconocene-catalyzed copolymerization. The reactivity ratios of MMA copolymers with butyl-, hexyl-, and stearyl methacrylate were estimated using the Finemann-Ross, the inverted Finemann-Ross, and the Kelen-Tüdos graphical methods. Structural parameters of the copolymers were obtained from the calculated dyad sequences, derived by using the reactivity ratios. The effect of the nature of the methacrylate ester group and the catalytic system used on the copolymer structure is discussed. The glass-transition temperature (Tg) values of MMA copolymers with butyl- and hexyl methacrylate were measured and examined in the frame of several theoretical equations, allowing the prediction of these Tg values. The best fit was obtained using Barton and Johnston equations, taking the monomer sequence distribution of the copolymers into account.

Original languageEnglish (US)
Pages (from-to)3761-3774
Number of pages14
JournalJournal of Polymer Science, Part A: Polymer Chemistry
Issue number15
StatePublished - Aug 1 2004
Externally publishedYes


  • Copolymerization
  • Metallocene catalysts
  • Methacrylates
  • Reactivity ratios
  • Thermal properties

ASJC Scopus subject areas

  • Polymers and Plastics
  • Organic Chemistry
  • Materials Chemistry


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