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Title: Influence of the nanotube oxidation on the rheological and electrical properties of CNT/HDPE composites

Abstract

Rheological and electrical properties of nanocomposites based on multi-walled carbon nanotubes (MWNTs) and high density polyethylene (HDPE), prepared by melt mixing in a micro-twin screw extruder, have been investigated. The effect of MWNT concentration (0.5 and 2.5 wt %) and nanotube surface treatment (oxidative treatment in a tubular furnace at 500°C for 1 hr in a 95% nitrogen, 5% oxygen atmosphere) has been analyzed. It has been found that the sample conductivity with oxidation of the nanotubes decreases more than 2 orders of magnitude. Scanning electron microscopy showed good adhesion and dispersion of nanotubes in the matrix, independently of the surface treatment. Electrical and rheological measurements revealed that the oxidative treatment, causing some reduction of the MWNT quality, decreases the efficiency of the nanotube matrix interaction.

Authors:
; ; ;  [1];  [2]
  1. Department of Industrial Engineering – DIIn - Università di Salerno Via Giovanni Paolo II, 132 - 84084 Fisciano (Italy)
  2. Department of Materials Engineering, Monash University, Clayton, Victoria 3800 (Australia)
Publication Date:
OSTI Identifier:
22609178
Resource Type:
Journal Article
Journal Name:
AIP Conference Proceedings
Additional Journal Information:
Journal Volume: 1736; Journal Issue: 1; Conference: 8. international conference on times of polymers and composites: From aerospace to nanotechnology, Naples (Italy), 19-23 Jun 2016; Other Information: (c) 2016 Author(s); Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0094-243X
Country of Publication:
United States
Language:
English
Subject:
77 NANOSCIENCE AND NANOTECHNOLOGY; ADHESION; ATMOSPHERES; CARBON NANOTUBES; CONCENTRATION RATIO; DENSITY; DISPERSIONS; EFFICIENCY; ELECTRICAL PROPERTIES; FASTENERS; INTERACTIONS; MIXING; NANOCOMPOSITES; NITROGEN; OXIDATION; OXYGEN; POLYETHYLENES; REDUCTION; SCANNING ELECTRON MICROSCOPY; SURFACE TREATMENTS; SURFACES

Citation Formats

Nobile, Maria Rossella, E-mail: mrnobile@unisa.it, Somma, Elvira, Valentino, Olga, Neitzert, Heinz-Christoph, and Simon, George. Influence of the nanotube oxidation on the rheological and electrical properties of CNT/HDPE composites. United States: N. p., 2016. Web. doi:10.1063/1.4949725.
Nobile, Maria Rossella, E-mail: mrnobile@unisa.it, Somma, Elvira, Valentino, Olga, Neitzert, Heinz-Christoph, & Simon, George. Influence of the nanotube oxidation on the rheological and electrical properties of CNT/HDPE composites. United States. doi:10.1063/1.4949725.
Nobile, Maria Rossella, E-mail: mrnobile@unisa.it, Somma, Elvira, Valentino, Olga, Neitzert, Heinz-Christoph, and Simon, George. Wed . "Influence of the nanotube oxidation on the rheological and electrical properties of CNT/HDPE composites". United States. doi:10.1063/1.4949725.
@article{osti_22609178,
title = {Influence of the nanotube oxidation on the rheological and electrical properties of CNT/HDPE composites},
author = {Nobile, Maria Rossella, E-mail: mrnobile@unisa.it and Somma, Elvira and Valentino, Olga and Neitzert, Heinz-Christoph and Simon, George},
abstractNote = {Rheological and electrical properties of nanocomposites based on multi-walled carbon nanotubes (MWNTs) and high density polyethylene (HDPE), prepared by melt mixing in a micro-twin screw extruder, have been investigated. The effect of MWNT concentration (0.5 and 2.5 wt %) and nanotube surface treatment (oxidative treatment in a tubular furnace at 500°C for 1 hr in a 95% nitrogen, 5% oxygen atmosphere) has been analyzed. It has been found that the sample conductivity with oxidation of the nanotubes decreases more than 2 orders of magnitude. Scanning electron microscopy showed good adhesion and dispersion of nanotubes in the matrix, independently of the surface treatment. Electrical and rheological measurements revealed that the oxidative treatment, causing some reduction of the MWNT quality, decreases the efficiency of the nanotube matrix interaction.},
doi = {10.1063/1.4949725},
journal = {AIP Conference Proceedings},
issn = {0094-243X},
number = 1,
volume = 1736,
place = {United States},
year = {2016},
month = {5}
}