dc.contributor.authorPramoda, Kumari P.
dc.contributor.authorMya, Khine Yi
dc.contributor.authorLin, Ting T.
dc.contributor.authorLu, Xuehong
dc.contributor.authorHe, Chaobin
dc.identifier.citationPramoda, K. P., Mya, K. Y., Lin, T. T., Lu, X., & He, C. (2012). Investigation of thermomechanical properties and matrix-filler interaction on polyimide/graphene oxide composites. Polymer engineering & science, 52(12), 2530-2536.en_US
dc.description.abstractWe report, the preparation of nanocomposites having polyimide (PI) as matrix and graphene oxide (GO) as filler, analyses of matrix–filler interactions, and enhancements in thermomechanical properties of PI/GO as compared with pristine PI. The matrix–filler interactions were analyzed by 1H NMR, X-ray photoelectron spectroscopy, and density functional theory calculations. The data suggested stronger matrix–filler interactions in PI/GO as compared with PI/G composites. The stronger matrix–filler interactions and homogeneous dispersion of fillers lead to a significant enhancement in mechanical properties in PI/GO nanocomposites. Thus, with just 1 wt% GO content, the modulus of PI/GO composite increased by ∼106% as compared with pristine PI. Finally, thermal expansion coefficients of the nanocomposites are also investigated. A plausible hypothesis has been proposed in the text to explain the observed matrix–filler interactions and the subsequent property enhancements in nanocomposites.en_US
dc.relation.ispartofseriesPolymer engineering & scienceen_US
dc.rights© 2012 Society of Plastics Engineersen_US
dc.titleInvestigation of thermomechanical properties and matrix-filler interaction on polyimide/graphene oxide compositesen_US
dc.typeJournal Article
dc.contributor.schoolSchool of Materials Science and Engineeringen_US

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