Rheology and self-healing of amine functionalized polyolefins

Yavitt, B. M.;Tomkovic, T.;Gilmour, D. J.;Zhang, Z.;Hatzikiriakos, S. G.;et.al.
(2022) Journal of Rheology — Vol. 66, n° 6, p. 1125-1137 (2022)

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Authors
  • Yavitt, B. M.Department of Chemical and Biological Engineering, University of British Columbia, Vancouver, British Columbia V6T 1Z3, Canada; Department of Chemistry, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada
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  • Tomkovic, T.Department of Chemical and Biological Engineering, University of British Columbia, Vancouver, British Columbia V6T 1Z3, Canada
    Author
  • Gilmour, D. J.Department of Chemistry, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada
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  • Zhang, Z.orcid-logoDepartment of Chemical and Biological Engineering, University of British Columbia, Vancouver, British Columbia V6T 1Z3, Canada
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  • Van Ruymbeke, EvelyneUCLouvain
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  • Hatzikiriakos, S. G.orcid-logoDepartment of Chemical and Biological Engineering, University of British Columbia, Vancouver, British Columbia V6T 1Z3, Canada
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Abstract
<jats:p>The rheological and self-healing behavior of a class of catalytically synthesized amine-functionalized polyolefins is investigated. We demonstrate that these materials possess tunable rheological properties according to the molecular weight and display autonomous self-healing. The linear viscoelastic properties are modeled using a tube-based model developed by Hawke et al. [J. Rheol., 60, 297–310, (2016)] to calculate several model parameters that describe the individual chain dynamics. The self-healing response is described by findings from the reptation model as well as recent theory on associating polymer networks with reversible bonds. The cooperation between experiments, modeling, and theory provide insight into designing new materials with programmable rheological properties and superior self-healing ability.</jats:p>
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Yavitt, B. M., Tomkovic, T., Gilmour, D. J., Zhang, Z., Kuanr, N., Van Ruymbeke, E., Schafer, L. L., & Hatzikiriakos, S. G. (2022). Rheology and self-healing of amine functionalized polyolefins. Journal of Rheology, 66(6), 1125-1137. https://doi.org/10.1122/8.0000364 (Original work published 2022)