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Journal of Materials Science

, Volume 55, Issue 5, pp 2068–2076 | Cite as

Zeolitic imidazolate framework promoters in one-pot epoxy–amine reaction

  • Mi R. Kim
  • Taehee Kim
  • Hyeong S. Rye
  • Wonjoo Lee
  • Hyeon-Gook Kim
  • Moon Il Kim
  • Bongkuk SeoEmail author
  • Choong-Sun LimEmail author
Chemical routes to materials
  • 85 Downloads

Abstract

Epoxy composites are widely used in commercial products. For industrial purposes, storage stability is one of their most important characteristics. To enable this feature, alternative promoters that are stable at a low-energy state, where they do not react, are needed. Zeolitic imidazolate frameworks (ZIFs) are organic–inorganic complexes, and they contain imidazolate linkers, which are one of the promoters in the epoxy–amine reaction. In this study, the stability of a one-pot epoxy–amine composite was improved by using ZIFs as promoters. ZIFs were synthesized using the solvothermal method, and their structure were confirmed using X-ray diffraction analysis and field-emission scanning electron microscopy. The activation energy of the ZIFs was measured using the non-isothermal method of differential scanning calorimetry, and it was calculated using the Kissinger equation. Furthermore, the storage stability of the one-pot epoxy–amine system was measured considering the viscosity change with time at constant temperature. The viscoelastic behavior of the cured sample was demonstrated using dynamic mechanical analysis.

Notes

Acknowledgements

This work was financially supported by the Korea Research Institute of Chemical Technology (KRICT), Grant No. SI 1941-20.

Author’s contributions

The manuscript was written through contributions of all authors. All authors have given approval to the final version of the manuscript.

Compliance with ethical standards

Conflict of interest

The authors declare no competing financial interest.

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© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Advanced Industrial Chemistry Research CenterKorea Research Institute of Chemical TechnologyUlsanRepublic of Korea
  2. 2.Environmental AdministrationCatholic University of PusanBusanRepublic of Korea

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