Molecular Motion in Form II Poly(vinylidene Fluoride)

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概要

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• Relaxation processes and thermal properties of form II poly (vinylidene fluoride) were studied by dielectric, dynamic mechanical, and DSC methods above 200 K. Three mechanical relaxations, α_<ml>, α<mm>, and α_<mh>, were observed above room temperature. The α_<ml> relaxation was assigned to the dielectric α relaxation. The α_<mm> relaxation was suggested to be related to the grain-boundary slip process. The α_<mh> relaxation was assigned to the molecular motion associated with premelting of form II crystals. An endothermic transition, T_r, which was related to the melting of paracrystalline regions existing at lamellar surfaces, was also found.

• 社団法人応用物理学会の論文
• 1990-12-20

著者

• Nabata Yoshiyuki

  Institute For Chemical Research Kyoto University:(present Address)kao Corporation

関連論文

• Structure of Crosslinked Poly(vinylidene Fluoride) Crystallized from Melt under Uniaxial Compression
• Dielectric Properties of γ-Ray Irradiated Poly(vinylidene Fluoride)
• Molecular Motion in Form II Poly(vinylidene Fluoride)
• Dielectric Relaxation in Poly(vinylidene Fluoride): δ Relaxation

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