Reversible addition-fragmentation chain transfer polymerization of methyl methacrylate in suspension
作者： John D. Biasutti , Thomas P. Davis , Frank P. Lucien , Johan P. A. Heuts
DOI: 10.1002/POLA.20673
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摘要: The reversible addition–fragmentation chain transfer polymerization of methyl methacrylate mediated by 2-cyanoprop-2-yl dithiobenzoate (CPDB) in bulk (60 and 70 °C) suspension (70 was studied, both systems, a good control the molecular weight polydispersity observed. Stable polymerizations were carried out over range CPDB concentrations, with increasing concentration, particle size index produced polymer decreased. former ascribed to lower viscosities monomer droplets at low conversions, which caused easier breakup applied shear stresses. Lower indices higher concentrations probably diminished gel effect, observed high causing broadening distribution. livingness polymers formed proven successful extensions methacrylate, styrene, 2-hydroxyethyl methacrylate. © 2005 Wiley Periodicals, Inc. J Polym Sci Part A: Chem 43: 2001–2012,
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