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Polymer Bulletin

, Volume 59, Issue 6, pp 731–737 | Cite as

Star-Shaped Poly(2-methyl-2-oxazoline) Using by Reactive Bromoethyl Group Modified Calix[4]resorcinarene as a Macrocyclic Initiator

  • Jarunee Jeerupan
  • Tomoki Ogoshi
  • Sachi Hiramitsu
  • Kenji Umeda
  • Tadamasa Nemoto
  • Gen-ichi Konishi
  • Tada-aki Yamagishi
  • Yoshiaki NakamotoEmail author
Article

Summary

Star-shaped poly(2-methyl-2-oxazoline) (POZO) was prepared by ring-opening polymerization of 2-methyl-2-oxazoline from a novel calix[4]resorcinarene with reactive bromoethyl groups (8Br-CX4) as an initiator. The core-first method, which uses an active multifunctional core to initiate growth of polymer chains, was applied for synthesis of star-shaped POZO based on 8Br-CX4. The obtained star-shaped POZOs were characterized by 1H NMR, 13C NMR, FT-IR and DSC. From 1H NMR, DLS and fluorescence measurements, the star-shaped POZOs formed nanometer scale micelles in aqueous media composed of hydrophobic calix[4]resorcinarene moieties and hydrophilic POZO groups.

Keywords

Pyrene Dynamic Light Scattering Star Polymer Macrocyclic Compound Bromoethyl 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag 2007

Authors and Affiliations

  • Jarunee Jeerupan
    • 1
  • Tomoki Ogoshi
    • 1
  • Sachi Hiramitsu
    • 1
  • Kenji Umeda
    • 1
  • Tadamasa Nemoto
    • 2
  • Gen-ichi Konishi
    • 2
  • Tada-aki Yamagishi
    • 1
  • Yoshiaki Nakamoto
    • 1
    Email author
  1. 1.Graduate School of Natural Science and TechnologyKanazawa UniversityKanazawaJapan
  2. 2.Department of Organic & Polymeric Materials, Graduate School of EngineeringTokyo Institute of TechnologyTokyoJapan

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