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Article: Electrical, rheological, and mechanical properties of polystyrene/copper nanowire nanocomposites

TitleElectrical, rheological, and mechanical properties of polystyrene/copper nanowire nanocomposites
Authors
KeywordsConcentration (Process)
Nanowires
Percolation (Fluids)
Polystyrenes
Rheology
Synthesis (Chemical)
Issue Date2007
PublisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/iecr
Citation
Industrial and Engineering Chemistry Research, 2007, v. 46 n. 8, p. 2481-2487 How to Cite?
AbstractThe electrical, Rheological, and mechanical properties of polystyrene/copper nanowire (PS/CuNW) composites at different CuNW compositions were studied. The copper nanowires were synthesized in our lab using a template-directed method with two different electrode sizes: 90 cm2 (small scale) and 440 cm2 (large scale). The nanocomposites were prepared using solution processing. The electrical percolation threshold of the nanocomposites occurs at a CuNW concentration between 0.50 and 1.00 vol % if the nanowires were produced on the small scale, and between 1.00 and 2.00 vol % if the nanowires were synthesized on the large scale. The dynamic rheological data at 200 °C indicate that the microstructure transition starts at 0.5% with the small-scale nanowires and at 1.1% with the large-scale nanowires, where a combined network of the polymer - nanowires, polymer-polymer, and nanowire-nanowire connections restrains the relaxation of the polymer chain. The morphological characterization by SEM and TEM reveals that the copper nanowires are dispersed in the polymer matrix both as agglomerates and as single nanowires. Tensile tests show that the Young's modulus increases, whereas the tensile strength and the elongation at break decrease, when the concentration of the nanowires increases. © 2007 American Chemical Society.
Persistent Identifierhttp://hdl.handle.net/10722/91172
ISSN
2015 Impact Factor: 2.567
2015 SCImago Journal Rankings: 0.976
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorLin, Ben_HK
dc.contributor.authorGelves, GAen_HK
dc.contributor.authorHaber, JAen_HK
dc.contributor.authorSundararaj, Uen_HK
dc.date.accessioned2010-09-17T10:14:07Z-
dc.date.available2010-09-17T10:14:07Z-
dc.date.issued2007en_HK
dc.identifier.citationIndustrial and Engineering Chemistry Research, 2007, v. 46 n. 8, p. 2481-2487en_HK
dc.identifier.issn0888-5885en_HK
dc.identifier.urihttp://hdl.handle.net/10722/91172-
dc.description.abstractThe electrical, Rheological, and mechanical properties of polystyrene/copper nanowire (PS/CuNW) composites at different CuNW compositions were studied. The copper nanowires were synthesized in our lab using a template-directed method with two different electrode sizes: 90 cm2 (small scale) and 440 cm2 (large scale). The nanocomposites were prepared using solution processing. The electrical percolation threshold of the nanocomposites occurs at a CuNW concentration between 0.50 and 1.00 vol % if the nanowires were produced on the small scale, and between 1.00 and 2.00 vol % if the nanowires were synthesized on the large scale. The dynamic rheological data at 200 °C indicate that the microstructure transition starts at 0.5% with the small-scale nanowires and at 1.1% with the large-scale nanowires, where a combined network of the polymer - nanowires, polymer-polymer, and nanowire-nanowire connections restrains the relaxation of the polymer chain. The morphological characterization by SEM and TEM reveals that the copper nanowires are dispersed in the polymer matrix both as agglomerates and as single nanowires. Tensile tests show that the Young's modulus increases, whereas the tensile strength and the elongation at break decrease, when the concentration of the nanowires increases. © 2007 American Chemical Society.en_HK
dc.languageengen_HK
dc.publisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/iecren_HK
dc.relation.ispartofIndustrial and Engineering Chemistry Researchen_HK
dc.subjectConcentration (Process)en_HK
dc.subjectNanowiresen_HK
dc.subjectPercolation (Fluids)en_HK
dc.subjectPolystyrenesen_HK
dc.subjectRheologyen_HK
dc.subjectSynthesis (Chemical)en_HK
dc.titleElectrical, rheological, and mechanical properties of polystyrene/copper nanowire nanocompositesen_HK
dc.typeArticleen_HK
dc.identifier.emailLin, B:blin@hku.hken_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1021/ie061285cen_HK
dc.identifier.scopuseid_2-s2.0-34247473405en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-34247473405&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume46en_HK
dc.identifier.issue8en_HK
dc.identifier.spage2481en_HK
dc.identifier.epage2487en_HK
dc.identifier.isiWOS:000245408600033-

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