The influence of injection molding parameters on electrical properties of PC/ABS-MWCNT nanocomposites

ABSTRACT The influence of injection molding parameters on electrical properties and morphology of PC/ABS‐MWCNT nanocomposites is presented in this article. Investigation is based on the masterbatch of 5.0 wt % carbon nanotubes obtained by melt‐mixing. Further processing includes dilution of this nan...

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Bibliographic Details
Published in:Journal of applied polymer science 2013-11, Vol.130 (3), p.2152-2158
Main Authors: Wegrzyn, Marcin, Juan, Sara, Benedito, Adolfo, Giménez, Enrique
Format: Article
Language:English
Subjects:
Applied sciences
blends
Composites
Electrical conductivity
Electrical properties
Electrical resistivity
Exact sciences and technology
Forms of application and semi-finished materials
graphene and fullerenes
Injection molding
Materials science
microscopy
Nanocomposites
nanotubes
Polycarbonates
Polymer industry, paints, wood
Polymers
Pressure molding
Resistivity
Technology of polymers
thermoplastics
Waste treatment
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Summary:ABSTRACT The influence of injection molding parameters on electrical properties and morphology of PC/ABS‐MWCNT nanocomposites is presented in this article. Investigation is based on the masterbatch of 5.0 wt % carbon nanotubes obtained by melt‐mixing. Further processing includes dilution of this nanocomposite to desired concentrations on twin‐screw extruder and injection molding or direct dilution of masterbatch in injection molding. Additionally, reprocessing of materials formed by compression and injection molding is presented along with the change in electrical conductivity. Morphology differs strongly between the two processing paths showing change in agglomeration behavior between nanotubes concentrations. Electrical properties show dependence on injection velocity and melt temperature in both applied processing paths. Moreover, electrical conductivity recovery is proved after injection and compression molding. © 2013 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 130: 2152–2158, 2013
ISSN:0021-8995
1097-4628
DOI:10.1002/app.39412