Star-Branched Polymers. 1. The Synthesis of Star Polyisoprenes using Octa- and Dodecachlorosilanes as Linking Agents

Nikolaos Hadjichristidis, A. Guyot, L. J. Fetters*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

126 Scopus citations

Abstract

Star-branched polyisoprenes with near-monodisperse molecular weight distributions containing 8 or 12 arms have been synthesized by anionic polymerization. The linking agents were octa- and dodecafunctional chlorosilanes that were synthesized from tetravinylsilane and the appropriate di- or trichlorosilane. Both the 8- and 12-armed stars were obtained in high yield. Characterization was carried out by light scattering, osmometry, and gel permeation chromatography. The applicability of the GPC universal calibration was also examined.

Original languageEnglish (US)
Pages (from-to)668-672
Number of pages5
JournalMacromolecules
Volume11
Issue number4
DOIs
StatePublished - Jan 1 1978

ASJC Scopus subject areas

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

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