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Thermal Properties of Boron Nitride Nanoplatelets/Epoxy Composites  
Thermal Properties of Boron Nitride Nanoplatelets/Epoxy Composites
資料類型: PDF文件
關(guān)鍵詞: interface  composites  boron  nitride  thermal  property  
資料大?。?/td> 106K
所屬學(xué)科: 分子表征
來源: 第六屆亞歐研討會上處理和性能增強(qiáng)聚合物會議文集(2013.6.2-6 武漢)
簡介:
Inthisstudy,wereportasimplemethodtofabricateboronnitride(BN)nanoplateletsbyusingasonication-centrifugationtechnique.Thegoalofthispaperistopresentasystematicstudyfortheeffectofinterfaceonthemorphologyandthermalpropertiesofpolymercomposites.Epoxyresinwaschosenasthematrixbecauseofitsextremelywideapplicationinaerospace,automotiveandelectronicindustriescl-3].WefabricatedaseriesofepoxycompositesbyusingdifferentsurfacefunctionlizationofBNnanoplatelets:(i)covalentfunctionlization.TheBNnanoplateletswerefirstlytreatedwithasilanecouplingagenttointroduceaminegroups,thengraftedofthehyperbranchedaromaticpolyamide(HBP)startedfromthemodifiedsurface.Thestrongcovalentbondingformationproducedastronginterfacebetweennanoplateletsandmatrix.(2)non-covalentfunctionlization.TheBNnanoplateletswerefunctionalizedbyoctadecylamine(ODA)molecules.TheODAmoleculesonthesurfaceofnanoplateletsphysicallyentanglewiththematrixmoleculesresultingintheintermediateinterfaceinteractionbetweennanoplateletsandmatrix.Finally,theepoxycompositeswithBNnanoplateletswerealsopreparedasacomparativeresearch.TheinterfaceinteractionmadebyBNnanoplateletswasweakbecauseofneitherchemicalreactionnorphysicalmolecularentanglement.Throughthiswork,anunderstandingoftheinterfaceeffectonthermalpropertiesofepoxycompositesisobtained.
作者: J. H. Yu, S. R. Lu
上傳時間: 2013-07-02 13:55:58
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