Kinetics of In situ Robust Chain-Ends Crosslinked Polymeric Networks Formed Using Catalyst- and Solvent-Free Huisgen Cycloaddition Reaction

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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 a-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
Publisher
SPRINGER
Issue Date
2017-03
Language
English
Article Type
Article
Keywords

FREE CLICK CHEMISTRY; GLYCIDYL AZIDE POLYMER; COPPER-FREE CLICK; DIPOLAROPHILE

Citation

MACROMOLECULAR RESEARCH, v.25, no.3, pp.249 - 254

ISSN
1598-5032
DOI
10.1007/s13233-017-5038-4
URI
http://hdl.handle.net/10203/223429
Appears in Collection
CH-Journal Papers(저널논문)
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