Direct evidence of star structure from nuclear magnetic resonance spectroscopy

Marinos Pitsikalis, Nikos Hadjichristidis*, Giuseppe Di Silvestro, Piero Sozzani

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

12 Scopus citations


Until now the characterization of a star‐like structure has been based on an indirect method, i.e. the comparison of the molecular weight of the star polymer and its linear precursor. By preparing well‐defined and narrow‐molecular‐weight‐distribution polybutadiene and polyisoprene stars with up to four arms — using anionic polymerization techniques and the appropriate chlorosilane — and by characterising them by means of 1H and 13C NMR spectroscopy, the key point of the star, which is the core next to the silicon atom, was observed.

Original languageEnglish (US)
Pages (from-to)2767-2774
Number of pages8
JournalMacromolecular Chemistry and Physics
Issue number9
StatePublished - Sep 1995
Externally publishedYes

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Materials Chemistry
  • Polymers and Plastics
  • Physical and Theoretical Chemistry
  • Organic Chemistry


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