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ATRP of methacrylates utilizing cux/l and copper wire

Macromolecules, ISSN: 0024-9297, Vol: 43, Issue: 23, Page: 9682-9689
2010
  • 78
    Citations
  • 0
    Usage
  • 101
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    78
    • Citation Indexes
      77
    • Patent Family Citations
      1
      • Patent Families
        1
  • Captures
    101

Article Description

Methacrylate monomers were successfully polymerized by ATRP utilizing copper wire as an in situ reducing agent at near-ambient temperatures (35 °C). Well-controlled polymerizations were demonstrated with both PMDETA and dNbpy ligands. Polymerization rates, when conducted with PMDETA, were dependent on the surface area of Cu. Upon reduction of the copper deactivator concentration (i.e., CuBr), polymerizations would only occur in the presence of excess ligand, whereas polymerization rates were independent of [CuBr]. Proper selection of initiator and copper halide improved polymerization control with PMDETA. dNbpy was found to be an excellent ligand for MMA, resulting in polymerization systems with controlled behavior, predetermined molecular weights, narrow molecular weight distributions (M/M ≤ 1.2), and near-quantitative initiation. The versatility of dNbpy was demonstrated by polymerization of a wide range of methacrylates, synthesis of polymethacrylates with molecular weights up to 80 000, and efficient chain extension of a PMMA macroinitiator. © 2010 American Chemical Society.

Bibliographic Details

Andrew J. D. Magenau; Yungwan Kwak; Krzysztof Matyjaszewski

American Chemical Society (ACS)

Chemistry; Materials Science

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