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<p>A super-drawing of natural rubber (NR) has been performed using strips of dried raw NR latex by the traditional "racking method." The changes observed in wide-angle X-ray diffraction and small-angle X-ray scattering patterns at around 0℃ and 40℃ corresponded to the two endothermic peaks identified through DSC measurements. The results revealed that the drawn sample displayed a shish-kebab structure, which has been documented in the extensive history of NR for the first time. Here, the "shish" and "kebab" structures are made up of the bundle-like extended-chain crystallites (ECC) and the folded-chain crystallites (FCC) epitaxially overgrown on the ECC.</p> Graphical Abstract <p></p>

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Shish-kebab morphology in highly-drawn dried natural rubber latex analyzed by WAXD/SAXS/DSC

  • 期刊论文

  • 发表日期：

    2025年9月19日

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  • Kohji Tashiro,
  • Masatoshi Iguchi,
  • Tetsuo Kanamoto

摘要

A super-drawing of natural rubber (NR) has been performed using strips of dried raw NR latex by the traditional "racking method." The changes observed in wide-angle X-ray diffraction and small-angle X-ray scattering patterns at around 0℃ and 40℃ corresponded to the two endothermic peaks identified through DSC measurements. The results revealed that the drawn sample displayed a shish-kebab structure, which has been documented in the extensive history of NR for the first time. Here, the "shish" and "kebab" structures are made up of the bundle-like extended-chain crystallites (ECC) and the folded-chain crystallites (FCC) epitaxially overgrown on the ECC.

Graphical Abstract