Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.polymer.2003.10.011
DC FieldValue
dc.titlePhysical interactions at carbon nanotube-polymer interface
dc.contributor.authorWong, M.
dc.contributor.authorParamsothy, M.
dc.contributor.authorXu, X.J.
dc.contributor.authorRen, Y.
dc.contributor.authorLi, S.
dc.contributor.authorLiao, K.
dc.date.accessioned2014-12-12T07:33:32Z
dc.date.available2014-12-12T07:33:32Z
dc.date.issued2003-11-14
dc.identifier.citationWong, M., Paramsothy, M., Xu, X.J., Ren, Y., Li, S., Liao, K. (2003-11-14). Physical interactions at carbon nanotube-polymer interface. Polymer 44 (25) : 7757-7764. ScholarBank@NUS Repository. https://doi.org/10.1016/j.polymer.2003.10.011
dc.identifier.issn00323861
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/115872
dc.description.abstractMechanical properties of carbon nanotube (CNT) reinforced polystyrene rod and CNT reinforced epoxy thin film were studied and the CNT-polymer interface in these composites was examined. Transmission and scanning electron microscopy examinations of CNT/polystyrene (PS) and CNT/epoxy composite showed that these polymers adhered well to CNT at the nanometer scale. Molecular mechanics simulations and elasticity calculations were used to quantify some of the important interfacial characteristics that critically control the performance of a composite material. In the absence of chemical bonding between CNT and the matrix, it is found that the non-bond interactions, consist of electrostatic and van der Waals forces, result in CNT-polymer interfacial shear stress (at 0 K) of about 138 and 186 MPa, respectively, for CNT/epoxy and CNT/PS. The high interfacial shear stress calculated, about an order of magnitude higher than micro fiber reinforced composites, is believed attributed to intimate contact between the two solid phases at the molecular scale. Simulations and calculations also showed that local non-uniformity of CNT and mismatch of the coefficients of thermal expansions between CNT and polymer matrix also promote the stress transfer ability between the two. © 2003 Elsevier Ltd. All rights reserved.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/j.polymer.2003.10.011
dc.sourceScopus
dc.subjectCarbon nanotube
dc.subjectInterface
dc.subjectPolymer composites
dc.typeArticle
dc.contributor.departmentNUS NANOSCIENCE & NANOTECH INITIATIVE
dc.description.doi10.1016/j.polymer.2003.10.011
dc.description.sourcetitlePolymer
dc.description.volume44
dc.description.issue25
dc.description.page7757-7764
dc.description.codenPOLMA
dc.identifier.isiut000186550500022
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