Surface-initiated living anionic polymerization of isoprene using a 1,1-diphenylethylene derivative and functionalization with ethylene oxide

R. P. Quirk, R. T. Mathers

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26 Scopus citations

Abstract

Living anionic polymerization of isoprene on a silicon wafer was initiated by treatment of a 1,1-diphenylethylene surface-bound monolayer with n-butyllithium (growth from). The corresponding 1,1 diphenylhexyllithium derivative was used to initiate isoprene polymerization. The poly(isoprenyl)lithium chain ends were functionalized by addition of ethylene oxide to give a hydroxy-terminated polyisoprene brush. The thickness of the polymer brush was 9.5 ± 1.2 nm by ellipsometry. Grafting living chain ends to the 1,1-diphenylethylene monolayer and surface grafting of telechelic polymers were used for comparison (growth to). The polymer brushes were characterized by XPS, contact angle measurements, ATR-IR, and AFM.

Original languageEnglish (US)
Pages (from-to)471-477
Number of pages7
JournalPolymer Bulletin
Volume45
Issue number6
DOIs
StatePublished - 2001

All Science Journal Classification (ASJC) codes

  • General Chemistry
  • Condensed Matter Physics
  • Polymers and Plastics
  • Materials Chemistry

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