Macromolecular Research

, Volume 25, Issue 3, pp 249–254 | Cite as

Kinetics of in situ robust chain-ends crosslinked polymeric networks formed using catalyst- and solvent-free Huisgen cycloaddition reaction

  • Byoung Sun Min
  • Sang Youl Kim


At various temperatures, real time FTIR analysis was introduced to monitor the kinetics of the uncatalyzed Huisgen 1,3-dipolar azide-alkyne cycloaddition (AAC) without media, resulting in in situ robust polymeric networks crosslinked with triazoles at chain-ends. Second-order kinetic analysis was used to determine the rate constants for uncatalyzed AAC reaction. Electron-deficient alkynes carrying an α-carbonyl undergo a fast Huisgen reaction within a few hours without any catalysts, proportional to the temperature. Less electron-deficient alkynes led to the decrease of AAC reaction rate significantly, revealing that the AAC reaction rate depends on the molecular structure of alkynes center


electron-deficient dipolarophiles azide-alkyne cycloaddition real-time FTIR 


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Supporting Information


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Copyright information

© The Polymer Society of Korea and Springer Sciene+Business Media Dordrecht 2017

Authors and Affiliations

  1. 1.4-R&D Institute, Rocket Prouplsion DirectorateAgency for Defense Development, YuseongDaejeonKorea
  2. 2.Department of ChemistryKorea Advanced Institute of Science and Technology (KAIST)DaejeonKorea

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