Dynamic mechanical and morphological properties of polycarbonate/multi-walled carbon nanotube composites

Dynamic mechanical and morphological properties of polycarbonate/multi-walled carbon nanotube composites

Dynamic mechanical and morphological properties of the polycarbonate (PC)/multi-walled carbon nanotube (MWNT) composites were studied by dynamic mechanical thermal analysis (DMTA) and X-ray diffractometry, respectively. For the without annealed PC/MWNT composites containing the higher content of the...

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Bibliographic Details
Published in:Polymer (Guilford) Vol. 46; no. 15; pp. 5656 - 5661
Main Authors: Sung, Y.T., Kum, C.K., Lee, H.S., Byon, N.S., Yoon, H.G., Kim, W.N.
Format: Journal Article
Language:English
Published: Oxford Elsevier Ltd 11-07-2005
Elsevier
Subjects:
Applied sciences
Composite
Composites
Dynamic mechanical properties
Exact sciences and technology
Forms of application and semi-finished materials
Multi-walled carbon nanotube
Polymer industry, paints, wood
Technology of polymers
Composite
Dynamic mechanical properties
Multi-walled carbon nanotube
Multiwalled nanotube
Thermal history
Supramolecular structure
Concentration effect
Carbon nanotubes
Nanocomposite
Multi-walled carbon nanolube
Experimental study
Polycarbonate
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Summary:Dynamic mechanical and morphological properties of the polycarbonate (PC)/multi-walled carbon nanotube (MWNT) composites were studied by dynamic mechanical thermal analysis (DMTA) and X-ray diffractometry, respectively. For the without annealed PC/MWNT composites containing the higher content of the MWNT (≥7.0 wt%), double tan δ peaks were observed, which could be explained by the phase separation morphology model. For the annealed PC/MWNT composites, a broad single tan δ peak was observed. From the X-ray diffraction of the annealed PC/MWNT composites, it was observed that more regular structure of the PC was obtained, which was consistent with the result of the thermal analysis of the annealed PC/MWNT composites. From the dynamic mechanical properties, thermal analysis, and X-ray diffraction of the annealed PC/MWNT composites, it is suggested that PC/MWNT composites show a broad single tan δ peak and partially crystalline structure of the PC in the PC/MWNT composites by annealing.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
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content type line 23
ISSN:0032-3861
1873-2291
DOI:10.1016/j.polymer.2005.04.075