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Keywords:

  • metallocene catalysts;
  • stereospecific polymerization;
  • living polymerization;
  • polymerization of methyl methacrylate;
  • syndiotactic;
  • isotactic;
  • stereoblock;
  • nanocomposites

Abstract

Stereospecific—isospecific, syndiospecific, and diastereospecific—polymerizations of methacrylates using group 4 metallocene and related catalysts produce polymethacrylates with controlled stereo-microstructures. The versatility and stereospecificity of these cat- alysts for methyl methacrylate polymerization were demonstrated not only in solution-phase polymerization, but also in polymerizations on silica surfaces and inside silicate nanogalleries. © 2004 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 42: 3395–3403, 2004