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The Effects of Ionic Solvent-free Carbon Nanotube Fluids on the Low Viscosity and Thermal Conductivity of CNT/Epoxy Composites  
The Effects of Ionic Solvent-free Carbon Nanotube Fluids on the Low Viscosity and Thermal Conductivity of CNT/Epoxy Composites
資料類型: PDF文件
關鍵詞: Carbon  nanotubes  Solvent-free  Thermal  conductivity  Nanocomposites  
資料大小: 105K
所屬學科: 分子表征
來源: 第六屆亞歐研討會上處理和性能增強聚合物會議文集(2013.6.2-6 武漢)
簡介:
Epoxyresinshavebeenwidelyusedforelectronicpackagingapplicationsbecauseofeasyprocessingandhighmechanicalstrength,buttheirlowthermalconductivitycan,tmeettherequirementsofthermalinterfacematerialcl].Carbonnanotubes(CNTs)areusuallyrecognizedasverypromisingconductivefillersduetotheirintrinsicallyhighthermalconductivityofabout3000W/rriKc2].However,it‘sdifficulttoimprovethedispersionoftheCNTsinepoxymatrixbecauseofthestrongintrinsicVanderWaalsforcesbetweentheCNTs,andtheviscosityofthecomplexwillincreaseobviously,andthereforeprocessingproblemsareobserved.Theionicsolvent-freecarbonnanotubefluidsbehaveliquid-likeintheabsenceofsolventatroomtemperature[3].Inthisstudy,ionicsolvent-freecarbonnanotubefluidsweresynthesizedbyattachingacoronaofionicflexiblechainsontothesurfaceofCNTs,thentheviscosityandthermalconductivityofionicsolvent-freecarbonnanotubefluids/epoxycompositeswereinvestigated.ComparedwithpureCNTs/epoxycomposites,theviscosityofsolvent-freecarbonnanotubefluids/epoxycompositesdecreasedsignificantly,andthethermalconductivityoftheresultingcompositesalsoincreased,whicharebeneficialtotheprocessabilityofcompositesandmakesitpossibletopreparehighfillerloadingsepoxycomposites.
作者: C. Chen, Y. Xue, X. P. Zhou , Z. G. Xue , H. M. Zhou, X. L. Xie
上傳時間: 2013-07-04 15:01:04
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