Polymer Bulletin

, Volume 73, Issue 2, pp 345–356 | Cite as

Construction of reversible crosslinking–decrosslinking system consisting of a polymer bearing vicinal tricarbonyl structure and poly(ethylene glycol)

  • Tatsuya Yuki
  • Morio Yonekawa
  • Kozo Matsumoto
  • Ikuyoshi Tomita
  • Takeshi EndoEmail author
Original Paper


In this article, we report a novel reversible crosslinking–decrosslinking system consisting of a polymer bearing vicinal tricarbonyl moieties in its side chains and poly(ethylene glycol) (PEG). A mixture of the tricarbonyl polymer and PEG (0.1 equiv of OH groups relative to the vicinal tricarbonyl moieties) in CH2Cl2 spontaneously turned into an orange-colored gel, in which a network structure was formed through hemiketal linkages. Conversely, the resulting networked polymer could be decrosslinked by treatment with water-containing solvent to recover the linear vicinal tricarbonyl polymer as its hydrate in 90 % yield. Following dehydration process by heating at 100 °C under reduced pressure regenerated the original vicinal tricarbonyl polymer.


Crosslinking Decrosslinking Gelation Hemiketal Recycling Vicinal tricarbonyl 



This work was supported by JSPS KAKENHI Grant Number 25288060.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2015

Authors and Affiliations

  • Tatsuya Yuki
    • 1
    • 2
  • Morio Yonekawa
    • 1
  • Kozo Matsumoto
    • 1
    • 3
  • Ikuyoshi Tomita
    • 2
  • Takeshi Endo
    • 1
    Email author
  1. 1.Molecular Engineering InstituteKinki UniversityFukuokaJapan
  2. 2.Department of Electronic ChemistryInterdisciplinary Graduate School of Science and Engineering, Tokyo Institute of TechnologyYokohamaJapan
  3. 3.Department of Biological and Environmental ChemistryKinki UniversityFukuokaJapan

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