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Journal of Polymer Research
Erschienen in: Journal of Polymer Research 12/2015

01.12.2015 | Original Paper

Double equilibrium melting temperatures and zero growth temperature of PVDF in PVDF/graphene composites

verfasst von: Benping Wang, Xianjing Gong, Jingqing Li, Yingrui Shang, Dean Shi, Jesper de Claville Christiansen, Donghong Yu, Shichun Jiang

Erschienen in: Journal of Polymer Research | Ausgabe 12/2015

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Abstract

Poly (vinylidene fluoride) (PVDF)/graphene composites were prepared through the melt blending method. The growths of PVDF spherulites in the composites at various temperatures were observed by means of polarized optical microscope (POM), and the melting behaviors were investigated with differential scanning calorimetry (DSC). The POM images showed that the spherulites morphology of PVDF in both pure PVDF and the composite samples presented the same well-defined Maltese-cross texture, and the radial growth rates of PVDF spherulites decreased with increasing crystallization temperature. Two equilibrium melting temperatures of PVDF were obtained and the equilibrium melting temperature of the samples crystallized above 160 °C was higher than that crystallized below 160 °C, which was attributed to the different crystal structures. Zero growth temperature of native PVDF spherulite was obtained according to the samples that crystallized above 160 °C. There is no obvious influence of adding graphene on the zero growth temperature of PVDF in the composites.
Vorheriger Artikel Fabrication and characterization of waterborne polyurethane (WPU) with aluminum trihydroxide (ATH) and mica as flame retardants
Nächster Artikel Reactivity ratios and properties of copolymers of 2-ethoxyethyl methacrylate with dodecyl methacrylate or styrene

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Metadaten
Titel
Double equilibrium melting temperatures and zero growth temperature of PVDF in PVDF/graphene composites
verfasst von
Benping Wang
Xianjing Gong
Jingqing Li
Yingrui Shang
Dean Shi
Jesper de Claville Christiansen
Donghong Yu
Shichun Jiang
Publikationsdatum
01.12.2015
Verlag
Springer Netherlands
Erschienen in
Journal of Polymer Research / Ausgabe 12/2015
Print ISSN: 1022-9760
Elektronische ISSN: 1572-8935
DOI
https://doi.org/10.1007/s10965-015-0889-x

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