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Keywords:

  • high-pressure chemistry;
  • living polymerization;
  • polymers;
  • radical reactions
Thumbnail image of graphical abstract

Poly(methyl methacrylate)s of extremely high molecular weights (>106) and narrow molecular weight distributions (w/n<1.2:1) were easily obtained by living/controlled free-radical polymerization under high hydrostatic pressure (5 kbar; see scheme, AIBN=2,2′-azobis(isobutyronitrile)). This technique provides conditions amenable to industrial scale-up.