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博精儀博精儀器器熱分析技術簡介熱分析技術簡介(DSC,TGA&DMA)(DSC,TGA&DMA)熱分析技術簡介熱分析技術簡介(DSC,TGA&DMA)(DSC,TGA&DMA)PerkinElmerThermalSpecialist康瑜容TiffanyKangTiffany.Kang@perkinelmer.comPage2博精儀博精儀器器Thermal-Thermal-22DifferentialScanningCalorimetry(DSC)ThermogravimetricAnalysis(TGA)ThermomechanicalAnalysis(TMA)DynamicMechanicalAnalysis(DMA)常用的熱分析方法Page3博精儀博精儀器器Thermal-Thermal-33常用的熱分析方法DSCHeatflowvs.Temp-Tm,Tc,Tg-H,curingtime,curingdegree-Reactionrate,kineticsTGAWeightLossvs.Temp-Decompositiontemperature-%Wtpercentage-OxidativetimeTMADimensionalChangevs.Temp-CTE(1,2)-Tg-SofteningpointDMAViscoelasticpropertyvs.Temp-Storage/Loss/ComplexModulus(E’,E”,E*)-tan-ViscosityandmastercurvePage4博精儀博精儀器器Thermal-Thermal-44高分子材料結構TypeofPolymerChainStructureTypeStructureExampleTypeStructureExampleLinearLinearBranchedBranchedshortchainshortchainLongchainLongchainbranchingbranchingLadderLadderPoly(vinylchloride),PolystyrenePoly(vinylchloride),PolystyrenePolypropylenePolypropylenePolypropylenePolypropylenePoly(imidazolpyrrolones)Poly(imidazolpyrrolones)Page5博精儀博精儀器器Thermal-Thermal-55高分子材料結構TypeofPolymerChainStructure(Continued)TypeStructureExampleTypeStructureExampleStarStarNetworkNetworkInterpenetratingInterpenetratingnetwork(IPN)network(IPN)Phenol-formaldehyderesinsPhenol-formaldehyderesinsTwocrosslinkedpolymersnotTwocrosslinkedpolymersnotbondedtoeachotherbondedtoeachotherCrosslinkedepoxywithvinylCrosslinkedepoxywithvinylpolymerpolymerPage6博精儀博精儀器器Thermal-Thermal-66高分子材料的分類PolystryenePolycarbonatePolyurethanesPolysulfoneAmorphousLOW/MEDIUMNylonPETAcetalHIGHPPSPPHDPECrystallineThermoplastics(Nochemicalchangeonheating)EpoxiesPolyimidesPolyestersPhenolicsUncuredRubberSiliconesNeopreneEpoxyCuredThermosets(Chemicalchangeonheating)PolymersPage7博精儀博精儀器器Thermal-Thermal-77Amorphousvs.Crystalline?AmorphousAmorphousThermoplasticThermoplasticCrystallineCrystallinePolymerPolymerPage8博精儀博精儀器器Thermal-Thermal-88Semi-CrystallinePolymerSemi-CrystallineSemi-CrystallinePolymerPolymerSemi-crystallinepolymerscontainbothamorphousANDcrystallinephasesPropertiesdominatedbybothTgandTmSemi-crystallinepolymerscanexhibitadditionalcrystallizationduringheatingPage9博精儀博精儀器器Thermal-Thermal-99ThermosettingPolymerUNCUREDPARTIALLYCUREDTOTALLYCUREDPage10博精儀博精儀器器Thermal-Thermal-1010SchematicResultsinThermalAnalysisQualityofsampleprocessDSC(ExQualityofsampleprocessDSC(Ex)TGATMADMA)TGATMADMA-CrystallineCrystalline-Semi-crystallineSemi-crystalline-Amorphous-Amorphous-Semi-crystalline-Semi-crystalline-General-General-Liquid-Liquid-Unspecific-Unspecific-SolidMelting-SolidMeltingRecrystallizationRecrystallizationSublimationSublimationSolid-solidtransitionSolid-solidtransitionGlasstransitionGlasstransitionSofteningwithoutTgSofteningwithoutTgPost-crosslinkingPost-crosslinkingDecompositionDecompositionLigandreleaseLigandreleaseEvaporationEvaporationChemicalreactionsChemicalreactionsDeterminationof%Determinationof%博精儀博精儀器器DSCTechniqueDSCTechniqueDifferentialScanningCalorimetryDifferentialScanningCalorimetryDSCTechniqueDSCTechniqueDifferentialScanningCalorimetryDifferentialScanningCalorimetryPage12博精儀博精儀器器Thermal-Thermal-1212Question?PE分成HDPE,LLDPE及LDPE-結構有何不同?-...