Polymer Bulletin

, Volume 16, Issue 2–3, pp 125–130 | Cite as

Polymerization of macromers

2. Group transfer polymerization of methacrylate-terminated polystyrene macromer
  • Ryuzo Asami
  • Mikio Takaki
  • Yasuyuki Moriyama


The possibility of group transfer polymerization of methyl methacrylate-terminated polystyrene macromer (MA-PSt) was explored by using 1-methoxy-1-(trimethylsiloxy)-2-methyl-1-propene and tris(dimethylamino)sulfonium difluorotrimethylsilicate as initiator and catalyst, respectively. The results obtained at the polymerization temperature of 0°C were undesirable. However, the oligomerization at -78°C gave almost quantitatively oligo(MA-PSt) of which the degree of polymerization was in good agreement with the mole ratio of macromer to initiator. The GPC curve of oligo(MA-PSt) was sharp and symmetrical. In addition, it was shown by the copolymerization with methyl methacrylate that the polymerizability of the macromer was markedly enhanced in the presence of methyl methacrylate comonomer.


Polymerization Methyl Sulfonium Oligomerization Polystyrene 
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Copyright information

© Springer-Verlag 1986

Authors and Affiliations

  • Ryuzo Asami
    • 1
  • Mikio Takaki
    • 1
  • Yasuyuki Moriyama
    • 1
  1. 1.Department of Applied ChemistryNagoya Institute of TechnologyNagoyaJapan

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