Dielectric Relaxation in Poly(vinylidene Fluoride): δ Relaxation

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概要

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• The nature of the dielectric δ relaxation observed in poly(vinylidene fluoride) (PVDF) was examined. The δ relaxation was observed only in PVDF consisting of form II crystals. The intensity of the δ relaxation decreased with decreasing crystallinity in form II PVDF and also decreased upon annealing, which increases crystallinity and decreases the amount of crystalline defects. In a copolymer of vinylidene fluoride with form I structure, the δ relaxation was not observed. Thus, it was considered that the δ relaxation was related to molecular motion at disordered sites associated with crystalline defects in form II PVDF. These results are consistent with the mechanism of δ relaxation presented recently.

• 社団法人応用物理学会の論文
• 1990-02-20

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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