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Preparation,Characterization and Properries of in-situ formed Graphene Oxide/Phenol Formaldehyde Nanocomposites  
Preparation,Characterization and Properries of in-situ formed Graphene Oxide/Phenol Formaldehyde Nanocomposites
資料類型： PDF文件
關(guān)鍵詞： graphene  oxide  phenol  formaldehyde  nanocomposites  in-situ  polymerization  
資料大?。?/td> 107K
所屬學(xué)科： 分子表征
來(lái)源： 第六屆亞歐研討會(huì)上處理和性能增強(qiáng)聚合物會(huì)議文集（2013.6.2-6 武漢）
簡(jiǎn)介：
Phenolformaldehyde(PF)resinhasbeenwidelyusedinbuildingvariousfunctionalstructurematerialsandcoatingsduetotheirhighmechanicalstrength,electricalinsulating,flameretardantresistance,fumingrateaswellastheirdimensionstability.However,itstillsuffersfromthebrittlenessandoxidationrisksbecauseoftheirspecialmethylene-phenolicstructure.ThusmanyresearchersarenowtryingtofindgoodsolutionstoenhancethemechanicalandthethermalpropertiesofPFresin.GrapheneOxide(GO),oneofthemostimportantderivativesofgraphene,isstructurallysimilartographene.However,thesurfaceofGOcontainslargenumbersofhydrophilicfunctionalgroups,suchascarbonyl,carboxyl,epoxyandhydroxyl,whichaffordedGOwithexcellentprocessability,dispersibilityandthecompatibilitywiththepolymer,thusGObecomesapromisingfunctionalnano-reinforcingmaterialforvariouspolymerandorganicmoleculestoapproachdifferentadvancedapplications.Inthiswork,grapheneoxide(GO)wasincorporatedintophenolformaldehyde(PF)resinbyin-situpolymerization.ThemorphologiesandpropertiesofGOsheetswerecharacterizedbyFTIR,XRD,andAFMmethods.ThestructureandpropertiesoftheGO/PFnanocompositeswerecharacterizedusingFTIR,XRD,DSCandTGAmethods.EffectsofGOcontent,reactiveconditions,andblendingmethodsonthestructureandpropertiesofGO/PFnanocompositeshavebeenstudied.ItwasfoundthatduetothewelldispersionofGOsheetsinpolymermatrixandthestronginterfacialinteractionbetweentheGOsheetsandPFmatrix,thethermalstabilityandthermalmechanicalpropertiesoftheGO/PFnanocompositesweregreatlyenhanced.
作者： W. H. Xu, C. Wei , J. Lv , H. X. Liu
上傳時(shí)間： 2013-07-01 14:46:15
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