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Superheated Melting Kinetics of Metastable Chain-Folded Polymer Crystals

  • Akihiko Toda*
    Akihiko Toda
    Graduate School of Integrated Arts and Sciences, Hiroshima University, Higashi-Hiroshima 739-8521, Japan
    *E-mail: [email protected]. Tel: +81-82-424-6558.
    More by Akihiko Toda
  • Ken Taguchi
    Ken Taguchi
    Graduate School of Integrated Arts and Sciences, Hiroshima University, Higashi-Hiroshima 739-8521, Japan
    More by Ken Taguchi
  • Koji Nozaki
    Koji Nozaki
    Graduate School of Sciences and Technology for Innovation, Yamaguchi University, Yamaguchi 753-8512, Japan
    More by Koji Nozaki
  • Tatsuya Fukushima
    Tatsuya Fukushima
    Institute for Chemical Research, Kyoto University, Uji 611-0011, Japan
  • , and 
  • Hironori Kaji
    Hironori Kaji
    Institute for Chemical Research, Kyoto University, Uji 611-0011, Japan
Cite this: Cryst. Growth Des. 2018, 18, 6, 3637–3643
Publication Date (Web):May 15, 2018
https://doi.org/10.1021/acs.cgd.8b00416
Copyright © 2018 American Chemical Society

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    Abstract

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    The unique behavior of superheated melting kinetics of polymer crystals has been examined in terms of the metastable nature of thin polymer crystals with chain folding. The superheated melting kinetics was characterized by the heating rate dependence of the melting peak in the thermogram. By examining the behaviors of polyethylene molar mass fractions, its homologue, hexacontane, and indium, it has been experimentally confirmed that the metastability of crystals with chain folding has an essential role in the superheated melting kinetics; i.e., stable extended-chain crystals of hexacontane melts in the same way as indium without superheating, and metastable chain-folded crystals of higher molar mass polyethylene needs to overcome a larger kinetic barrier for melting.

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    Cited By

    This article is cited by 11 publications.

    1. Akihiko Toda, René Androsch, Christoph Schick. Melting Kinetics of Superheated Polymer Crystals Examined by Isothermal and Nonisothermal Fast Scanning Calorimetry. Macromolecules 2021, 54 (18) , 8770-8779. https://doi.org/10.1021/acs.macromol.1c01628
    2. Christoph Schick, Akihiko Toda, René Androsch. The Narrow Thickness Distribution of Lamellae of Poly(butylene succinate) Formed at Low Melt Supercooling. Macromolecules 2021, 54 (7) , 3366-3376. https://doi.org/10.1021/acs.macromol.1c00388
    3. Sergey Vyazovkin. Power Law and Arrhenius Approaches to the Melting Kinetics of Superheated Crystals: Are They Compatible?. Crystal Growth & Design 2018, 18 (11) , 6389-6392. https://doi.org/10.1021/acs.cgd.8b01174
    4. Ying Zhou, Takuya Ohnishi, Alan Lesser. Sintering evolution monitoring of ultra‐high‐molecular‐weight polyethylene. Journal of Polymer Science 2023, 9 https://doi.org/10.1002/pol.20230156
    5. Zefan Wang, Yucheng He, Alejandro J. Müller. Using PCL oligomers to study the differences in melting behavior between polymers and small molecules crystals. Polymer 2023, 271 , 125783. https://doi.org/10.1016/j.polymer.2023.125783
    6. Akihiko Toda. Modulated Temperature Differential Scanning Calorimetry. 2022, 41-73. https://doi.org/10.1002/9783527828692.ch2
    7. Christoph Schick, René Androsch. Fast Scanning Calorimetry. 2022, 75-168. https://doi.org/10.1002/9783527828692.ch3
    8. Fotis Christakopoulos, Enrico M. Troisi, Alla S. Sologubenko, Nic Friederichs, Laura Stricker, Theo A. Tervoort. Melting kinetics, ultra-drawability and microstructure of nascent ultra-high molecular weight polyethylene powder. Polymer 2021, 222 , 123633. https://doi.org/10.1016/j.polymer.2021.123633
    9. David A. Pink, Marjorie Ladd-Parada, Alejandro G. Marangoni, Gianfranco Mazzanti. Crystal Memory near Discontinuous Triacylglycerol Phase Transitions: Models, Metastable Regimes, and Critical Points. Molecules 2020, 25 (23) , 5631. https://doi.org/10.3390/molecules25235631
    10. Fotis Christakopoulos, Enrico Troisi, Theo A. Tervoort. Melting Kinetics of Nascent Poly(tetrafluoroethylene) Powder. Polymers 2020, 12 (4) , 791. https://doi.org/10.3390/polym12040791
    11. Ulyana S. Cubeta, Vlad Sadtchenko. Glass softening kinetics in the limit of high heating rates. The Journal of Chemical Physics 2019, 150 (9) https://doi.org/10.1063/1.5046304

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