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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

資料大小：

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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