Well-defined comb, star-comb, and comb-on-comb polybutadienes by anionic polymerization and the macromonomer strategy

Giorgos Koutalas, Hermis Iatrou, David J. Lohse*, Nikolaos Hadjichristidis

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

84 Scopus citations

Abstract

Stryrenic macromonomers of polybutadienes (sMMB) were synthesized by selective reaction of living polybutadienes with the silyl chloride group of 4-(chlorodimethylsilyl)styrene. Anionic copolymerization of sMMBs with butadiene, in the presence of a randomizer (potassium 2,3-dimethyl-3-pentoxide randomizer), led to living random comb polybutadienes (PBCs). Taking advantage of the living character of the PBCs, a number of well-defined comb, star-comb, and comb-on-comb polybutadienes were synthesized by using high-vacuum techniques. All samples prepared were characterized by size exclusion chromatography (SEC) with DRI detector and SEC with two-angle laser light scattering detector (SEC-TALLS).

Original languageEnglish (US)
Pages (from-to)4996-5001
Number of pages6
JournalMacromolecules
Volume38
Issue number12
DOIs
StatePublished - Jun 14 2005

ASJC Scopus subject areas

  • Organic Chemistry
  • Polymers and Plastics
  • Inorganic Chemistry
  • Materials Chemistry

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