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Polymer Bulletin
Published in: Polymer Bulletin 8/2013

01-08-2013 | Polymer Synthesis/Mechanism

On the dispersion of CNTs in polyamide 6 matrix via solution methods: assessment through electrical, rheological, thermal and morphological analyses

Authors: Fathollah Pourfayaz, Seyed-Hassan Jafari, Abbas Ali Khodadadi, Yadollah Mortazavi, Hossein Ali Khonakdar

Published in: Polymer Bulletin | Issue 8/2013

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Abstract

In this study, polyamide 6 (PA 6)/multi-walled carbon nanotube (MWCNT) nanocomposites were prepared by different solution methods based on phase inversion, drop-casting and simple evaporation processes. Optical microscopy and field emission scanning electron microscopy techniques were used to investigate the dispersion states of the nanotubes in PA 6 matrix. The results indicated that the dispersion state of MWCNTs in the nanocomposites prepared by the phase inversion-based method was better than those in the nanocomposites prepared by the other two methods. Electrical, rheological, differential scanning calorimetry and thermo-gravimetric analysis measurements showed that the PA 6/MWCNTs nanocomposites prepared by the phase inversion-based method had higher electrical conductivity, storage modulus, crystallization temperature and thermal stability in comparison with those prepared by the other two methods, attributed to the better dispersion state of MWCNTs. These results confirmed achievement of a good dispersion state of MWCNTs within PA 6 matrix by the phase inversion-based efficient approach.
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Metadata
Title
On the dispersion of CNTs in polyamide 6 matrix via solution methods: assessment through electrical, rheological, thermal and morphological analyses
Authors
Fathollah Pourfayaz
Seyed-Hassan Jafari
Abbas Ali Khodadadi
Yadollah Mortazavi
Hossein Ali Khonakdar
Publication date
01-08-2013
Publisher
Springer Berlin Heidelberg
Published in
Polymer Bulletin / Issue 8/2013
Print ISSN: 0170-0839
Electronic ISSN: 1436-2449
DOI
https://doi.org/10.1007/s00289-013-0959-3

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