聚酰亚胺和碳纳米管复合材料的应用

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1、TheApplicationofPolyimide/CarbonNanotubeCompositesinElectricalConductivityHeadstormThepropertyofPolyimideandCNTandtheirinitialapplicationThespecificapplicationofPI/CNTcompositesSomeotheruseofPI/CNTcompositesAbstract:ThepropertyofPolyimideandCNTandtheirinitialapplicationThePropertyofPolyimideandCarob

2、onNanotubecarbonnanotubeHighYoung’smodulusandtensilestrength.Canbemetallicorsemiconductingdependingontheirstructuralparameters.SuperiorthermalstabilityGooddielectricpropertiesGoodchemical&radiationresistanceLowthermalexpansioncoefficientHighstrengthHighflexibilityPolyimide:Carbonnanotube:TheAdvantag

3、eofPolymericNanocompositesTheApplicationofPI/CNTcompositesinAerospaceFutureaerospacevehicleswillrequireasignifi-cantreductionofmass,sizeofcomponents,andpowerrequirements,accompaniedbyanincreaseintheintelligenceofthesecomponents.Singlewallcarbonnanotubes(SWNTs)areattractivefortheseapplicationsbecauseo

4、ftheirextraordinarycombinationofthermal,electrical,dielectric,andmechanicalproperties.ThespecificapplicationofPI/CNTcompositesElectrostaticdischarge(ESD)Polyimidesarewidelyusedinapplicationsrangingfrommicroelectronicstoaerospace.Duetotheirinsulatingnature,significantaccumulationofelectrostaticcharge

5、mayresultontheirsurface,causinglocalheatingandprematuredegradationtoelectroniccomponentsorspacestructures.CNTPolyimideElectricalcompositeswithalevelofelectricalconductivitysufficienttopermitelectrostaticdischarge,aswellasmechanicalandthermalpropertiessuperiortothatofthebasepolymer.Resistive-typehumi

6、nitysensorcapacitivetypehumiditysensor:useslesspowerandhasmuchbetterlinearity.Resistivetypehumiditysensor:muchsimplerandmorestraightforwardthancapacitancemeasurementsKum-PyoYoo,Lee-TaekLim,ect.Novelresistive-typehumiditysensorbasedonmultiwallcarbonnanotube/polyimidecompositefilms.SensorsandActuatorsB

7、:Chemical2010,145:120-125.Kum-PyoYoo,Lee-TaekLimdevelopedanovelresistive-typeRHsensorbasedonplasma-treatedmultiwallcarbonnanotube/polyimide(pMWCNT/PI)compositefilms,successfullyovercomethesedrawbacks.T