Polymer Bulletin

, Volume 32, Issue 5–6, pp 545–550 | Cite as

Living dispersion polymerization of styrene in the presence of polystyrene-block-poly(4-trimethylsilylstyrene)

  • Michael Schneider
  • Rolf Mülhaupt
Article

Summary

Living polystyrene microparticles with average particle diameters varying between 0.5 and 3.8 μm were obtained via sec-butyl lithium-initated anionic polymerization of styrene in n-hexane diluent when polystyrene-block-poly(4-trimethyl-silylstyrene) was added as dispersing agent. The influence of block copolymer molecular architecture and concentration as well as polymerization temperature, monomer concentration and THF addition on polystyrene particle size, molecular weight and molecular weight distribution were investigated. In comparison to anionic styrene polymerization in cyclohexane solution, the anionic styrene dispersion polymerization in n-hexane was markedly slower.

Keywords

Polystyrene Styrene Cyclohexane Particle Diameter Block Copolymer 

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Copyright information

© Springer-Verlag 1994

Authors and Affiliations

  • Michael Schneider
    • 1
  • Rolf Mülhaupt
    • 1
  1. 1.Freiburger Materialforschungszentrum und Institut für Makromolekulare ChemieHermann Staudinger HausFreiburgGermany

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