Creating Filler/Matrix Interfacial Bonding by Metal Ion Coordination : Graphene Oxide/Polymer Nanocomposites with Significantly Enhanced Mechanical Properties，第六届亚欧研讨会上处理和性能增强聚合物会议文集（2013.6.2-6 武汉）-中国聚合物网,论文下载

Creating Filler/Matrix Interfacial Bonding by Metal Ion Coordination : Graphene Oxide/Polymer Nanocomposites with Significantly Enhanced Mechanical Properties

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graphene oxide polymers nanocomposites coordination mechanical properties

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分子表征

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第六届亚欧研讨会上处理和性能增强聚合物会议文集（2013.6.2-6 武汉）

简介：

Graphene,themostrecentlyfoundallotropeofthecarbonfamily,hasprovokedresearchinterestworldwideduetoitsoutstandingelectronic,mechanicalandthermalpropertiescl].Nowadays,afunctionalizedgraphenederivative,grapheneoxide(GO),isavailableinlargequantitiesinaqueoussolutionbyoxidizingnaturalgraphitec2].ThemechanicalpropertiesofGOarecomparabletothoseofgraphene.Besides,GObearsabundantoxygenmoieties,whichfacilitatefurtherchemicalmodificationandcross-linking,e.g.,bymetalioncoordinationc3].IncludingGOindifferentpolymer-matrixnanocompositeshasbeenasubjectofintenseresearchrecently.Forexample,itisfoundthatGOcansignificantlyenhancethemechanicalpropertiesofsuchwater-solublepolymersaspoly(vinylalcohol)(PVA)andpoly(ethyleneoxide)(PEO).Solution-phasephysicalmixingofthefillerandthematrixisusedinthesecases.Toachieveasignificantreinforcingeffect,stronginterfacialbondingbetweenthefillerandthematrixispreferred.ConsideringtheabundantoxygenmoietiesonGOandPVAorPEOwhicharefavorableformetalioncoordination,wereporthereasimple,cost-effectivewaytocreatestrongfiller/matrixinterfacialbondingbyintroducingcopperionsintheirmixedsolution.ThecoordinationbondingbetweenGOandPVAorPEObycopperionsinducescross-linking,whichtranslatesintobettermechanicalpropertiesthanthoseofGO/PVAorPEOnanocompositespreparedbymerephysicalmixingofthetwocomponents.Thiswaymayopenupanewopportunityforhigh-performancepolymer-matrixnanocomposites.

作者：

X. M. Xie, N. Chen, Y. T. Liu, C. Lin

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2013-06-27 11:32:24

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