Deformation Behavior of Isotactic Polypropylene Under External Force Field Investigated by X-ray and Neutron Scattering Techniques

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  • Ｘ線と中性子をプローブとした結晶性ポリプロピレンの外場下での変形挙動の研究
  • ガッカイショウ ジュショウ ロンブン Xセン ト チュウセイシ オ プローブ ト シタ ケッショウセイ ポリプロピレン ノ ガイバカ デノ ヘンケイ キョドウ ノ ケンキュウ

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Abstract

The understanding of crystal and chain structure evolution during the processing is one of the most essential information for the design of polymer with better processability and physical properties. For this purpose, X-ray and neutron scatterings are very powerful tools. In this paper, focusing on the deformation behavior of isotactic polypropylene (iPP) under external field, we introduce 1) application of microbeam SAXS-WAXS to the observation of iPP spherulite deformation process and 2) application of SANS for clarifying the role of each molecular weight component (low, medium and high molecular weight component) on shish-kebab structure formation of iPP.

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