Crystalline Structures and α → β and γ polymorphs transformation induced by nanoclay in PVDF-based nanocomposite

Abolhasani,MM, Naebe,M, JAlAli-ArAni,A and Guo,Q 2014, Crystalline Structures and α → β and γ polymorphs transformation induced by nanoclay in PVDF-based nanocomposite, Nano, vol. 9, no. 6, pp. 1-1, doi: 10.1142/S1793292014500659.

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Title Crystalline Structures and α → β and γ polymorphs transformation induced by nanoclay in PVDF-based nanocomposite
Author(s) Abolhasani,MM
Naebe,MORCID iD for Naebe,M
Guo,QORCID iD for Guo,Q
Journal name Nano
Volume number 9
Issue number 6
Start page 1
End page 1
Total pages 1
Publisher World Scientific Publishing
Place of publication Singapore
Publication date 2014
ISSN 1793-2920
Keyword(s) nanocomposite
crystallization kinetic
Science & Technology
Physical Sciences
Nanoscience & Nanotechnology
Materials Science, Multidisciplinary
Physics, Applied
Science & Technology - Other Topics
Materials Science
Summary Poly(vinylidene fluoride) (PVDF) nanocomposites were prepared by melt-mixing. The dispersion of clay platelets and rheology of nanocomposites were analyzed using X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and rheometric mechanical spectrometer (RMS). The transformation of α to β and γ phase in PVDF was induced by the addition of nanoclay and subsequently the isothermal crystallization kinetics of neat PVDF and its nanocomposite have been investigated. The interaction between clay nanofillers and PVDF macromolecular chains induced the change of conformation from trans-gauche to all-trans crystal structure in PVDF segment. The isothermal crystallization of PVDF/clay nanocomposites was carried out by Differential Scanning Calorimetry (DSC) technique. The influence of clay platelets on nucleation crystallization rate and Avrami exponent were studied. PVDF/clay nanocomposite showed higher crystallization rate indicating that nanoclay has acted as an effective nucleation agent. This nucleation effect of nanoclay increased the Avrami exponent and decreased the degree of crystallinity. © 2014 World Scientific Publishing Company.
Language eng
DOI 10.1142/S1793292014500659
Field of Research 091202 Composite and Hybrid Materials
091209 Polymers and Plastics
100708 Nanomaterials
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2014, World Scientific Publishing
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Document type: Journal Article
Collections: Institute for Frontier Materials
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