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Crystallization-induced mechanofluorescence for visualization of polymer crystallization

Author

Listed:
  • Sota Kato

    (Tokyo Institute of Technology)

  • Shigeki Furukawa

    (Tokyo Institute of Technology)

  • Daisuke Aoki

    (Tokyo Institute of Technology)

  • Raita Goseki

    (Tokyo Institute of Technology)

  • Kazusato Oikawa

    (RIKEN Center for Sustainable Resource Science)

  • Kousuke Tsuchiya

    (RIKEN Center for Sustainable Resource Science)

  • Naohiko Shimada

    (Tokyo Institute of Technology)

  • Atsushi Maruyama

    (Tokyo Institute of Technology)

  • Keiji Numata

    (RIKEN Center for Sustainable Resource Science)

  • Hideyuki Otsuka

    (Tokyo Institute of Technology)

Abstract

The growth of lamellar crystals has been studied in particular for spherulites in polymeric materials. Even though such spherulitic structures and their growth are of crucial importance for the mechanical and optical properties of the resulting polymeric materials, several issues regarding the residual stress remain unresolved in the wider context of crystal growth. To gain further insight into micro-mechanical forces during the crystallization process of lamellar crystals in polymeric materials, herein, we introduce tetraarylsuccinonitrile (TASN), which generates relatively stable radicals with yellow fluorescence upon homolytic cleavage at the central C–C bond in response to mechanical stress, into crystalline polymers. The obtained crystalline polymers with TASN at the center of the polymer chain allow not only to visualize the stress arising from micro-mechanical forces during polymer crystallization via fluorescence microscopy but also to evaluate the micro-mechanical forces upon growing polymer lamellar crystals by electron paramagnetic resonance, which is able to detect the radicals generated during polymer crystallization.

Suggested Citation

  • Sota Kato & Shigeki Furukawa & Daisuke Aoki & Raita Goseki & Kazusato Oikawa & Kousuke Tsuchiya & Naohiko Shimada & Atsushi Maruyama & Keiji Numata & Hideyuki Otsuka, 2021. "Crystallization-induced mechanofluorescence for visualization of polymer crystallization," Nature Communications, Nature, vol. 12(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-020-20366-y
    DOI: 10.1038/s41467-020-20366-y
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    Cited by:

    1. Chenxu Wang & Sergey Akbulatov & Qihan Chen & Yancong Tian & Cai-Li Sun & Marc Couty & Roman Boulatov, 2022. "The molecular mechanism of constructive remodeling of a mechanically-loaded polymer," Nature Communications, Nature, vol. 13(1), pages 1-13, December.

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