Elastomers and Composites

The Rubber Society of Korea (한국고무학회)
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Effect of Monomers in Vinyl Urethane Macromonomers on Dispersion Polymerization of Polystyrene

  • Lee, Kangseok (R&D Center, MYUNG SHIN GI YEON Co. Ltd.) ;
  • Shim, Sang Eun (Department of Chemistry & Chemical Engineering, Inha University)
  • Received : 2016.06.03
  • Accepted : 2016.06.08
  • Published : 2016.06.30
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Abstract

The four different vinyl monomers in the reaction of isocyanate-terminated polyurethane prepolymer were used for the preparation of macromonomers and successfully employed in the dispersion polymerization of styrene. The chemical structures of vinyl monomer in macromonomers influenced on the polystyrene particle characteristics, such as the conversion, weight average molecular weights ($M_w$), polydispersity index (PDI), weight average diameter ($D_w$), and uniformity. The conversion of polystyrene increased with amounts of methyl group in vinyl monomer. Also the uniformity of polystyrene particles increased with amounts of methyl group in vinyl monomer.

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References

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