Anionic homo- And copolymerization of double-tailed macromonomers: A route to novel macromolecular architectures

Paraskevi Driva, Hermis Iatrou, David J. Lohse*, Nikolaos Hadjichristidis

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

31 Scopus citations

Abstract

The synthesis of model linear and star double-comb polybutadienes, as well as molecular double-brush polybutadienes, with two tails emanating from each branch point, is presented. The synthetic approach involves (1) the selective reaction of living polybutadienes with the two chlorines of 4- (dichloromethylsilyl)styrene to make double-tailed macromonomers and (2) the homopolymerization or copolymerization of the double-tailed macromonomer, in situ without isolation, to produce the double brushes and double combs, respectively. The star double comb was synthesized by the reaction of living double-comb polybutadiene with trichloromethylsilane. Characterization carried out by size exclusion chromatography, with differential refractometer and light scattering detectors, indicated that the synthesized polybutadienes had a high degree of molecular and structural homogeneity.

Original languageEnglish (US)
Pages (from-to)4070-4078
Number of pages9
JournalJournal of Polymer Science, Part A: Polymer Chemistry
Volume43
Issue number18
DOIs
StatePublished - Sep 15 2005

Keywords

  • Anionic polymerization
  • Double combs
  • Double-tailed macromonomers
  • Gel permeation chromatography
  • Light scattering
  • Molecular double brushes
  • Star double combs

ASJC Scopus subject areas

  • Polymers and Plastics
  • Organic Chemistry
  • Materials Chemistry

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