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Journal of Materials Science

, Volume 55, Issue 6, pp 2604–2617 | Cite as

Mechanical properties and decomposition performance of peelable coating containing UiO-66 catalyst and waterborne silane-terminated polyurethane dispersions

  • Kyung-Min Kim
  • Hee-Woong Park
  • Gyu-Seong Shim
  • Seong-Wook Jang
  • Hyun-Joong KimEmail author
  • Gyeong-Seok Chae
  • Seunghan ShinEmail author
  • Jung-Hyun Lee
Polymers & biopolymers
  • 77 Downloads

Abstract

An easily peelable coating was prepared using silane-terminated polyurethane dispersions (SPUDs) and UiO-66 catalyst (a zirconium(IV)-based metal–organic framework), to capture and decompose the nerve agent simulant, methyl paraoxon (MPO), at room temperature. SPUDs were used as the binder. The peel strength of the SPUD film containing UiO-66 decreased with increasing UiO-66 content, and the film with 40 wt% UiO-66 could not be easily peeled off. In contrast, the SPUD/PVB/UiO-66 peelable coating film could be easily peeled off. With increasing UiO-66 content, the Young’s moduli of the SPUD/UiO-66 and SPUD/PVB/UiO-66 coating films gradually increased, while the elongation decreased. The increase in the glass transition temperature was less than approximately 5%, depending on the UiO-66 content of the SPUD/UiO-66 film. Two peaks of tan δ appeared for the SPUD/PVB/UiO-66 coating film. As the UiO-66 content increased, the second peak shifted to the right. This could be attributed to the bond strength between the mixed polymeric binder and the nanoparticles. Furthermore, MPO decomposition by the SPUD/PVB/UiO-66 coating film increased with increasing UiO-66 content. These findings suggest the possibility of the development of a peelable coating film for the capture and decomposition of MPO.

Abbreviations

GPC

Gel permeation chromatography

Tg

Glass transition temperature

MOF

Metal–organic framework

MPO

Methyl paraoxon

PVB

Poly(vinyl butyral)

SPUD

Silane-terminated polyurethane dispersion

Notes

Acknowledgements

This work was supported by the National Research Council of Science and Technology (NST) grant by the Korean government (MSIP) (No. CMP-16-04-KITECH).

Author contributions

K-M Kim, H-J Kim, and S Shin designed the experiments. H-W Park, G-S Shim, and G Chae carried out the measurements. S-W Jang and J-H Lee analyzed the data. K-M Kim wrote the manuscript.

Supplementary material

10853_2019_4184_MOESM1_ESM.pdf (1.8 mb)
Supplementary material 1 (PDF 1856 kb)

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Copyright information

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

Authors and Affiliations

  1. 1.Laboratory of Adhesion and Bio-Composites, Program in Environmental Materials Science, Research Institute of Agriculture and Life Sciences, College of Agriculture and Life SciencesSeoul National UniversitySeoulRepublic of Korea
  2. 2.Green Chemistry and Materials GroupKorea Institute of Industrial Technology (KITECH)CheonanRepublic of Korea
  3. 3.Department of Green Process and System EngineeringKorea University of Science and Technology (UST)CheonanRepublic of Korea
  4. 4.Department of Chemical and Biological EngineeringKorea UniversitySeoulRepublic of Korea

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