高分子材料导论解析ppt课件.ppt

高分子材料导论解析ppt课件.ppt

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时间:2020-09-27

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1、IntroductiontoPolymerPhysicsLiWenboCollegeofMaterialsScienceandTechnologySouthChinaUniversityofTechnologyChapter1StructureofPolymerChain1.1Introduction1.2Short-rangstructureofpolymerchain1.3Long-rangstructureofpolymerchain1.4ConformationstatisticsofpolymerchainStudycontentsofpolymerphysics1.Pol

2、ymerstructure,includingstructureofapolymermoleculeandcondensedstate2.Propertiesofpolymermaterials,speciallyviscoelasticity3.StatisticsofmoleculemotionStructurediagramofpolymerchaincomposedof1000carbonatomsComplexityofpolymerstructure1.Composedofmanymonomerstoformalongpolymerchain2.Innerrotation

3、ofσ-bond,resultingtoflexibilityofpolymerchain3.Distributionofthelengthofpolymerchain4.Largervanderwaals’forceofpolymermoleculesthanthatofsmallmoleculesandcrosslinked5.Complexityofcondensedstatesofpolymerchain6.BlendingandadditiveagentsPrimarystructureSecondarystructureChainstructureofpolymerCry

4、stalamorphousLiquidcrystallineOrientationStructureofpolymerCondensedstructureofpolymerShort-rangstructureLong-rangstructureSkeletonofpolymerstructureTextureChemicalcompositionofrepeatingunitBondingmethodsofmonomersBranchingandcrosslinkingSequentialstructureofcopolymerMicrostructure(Short-rangst

5、ructure)Size(MWandMWD)Shape(Conformation)Morphology(Long-rangstructure)PolymerchainstructureConfigurationChemicalcompositionofrepeatingunitBondingmethodsofmonomersBranchingandcrosslinkingSequentialstructureofcopolymerConfiguration1.2  Short-rangstructureofpolymerSuchasPVC(PolyvinylChloride)DPRe

6、peatingunitMainchainSidegroupChemicalcompositionofrepeatingunitPolyvinylChloride(PVC)PolyvinylideneChloride(PVDC)PolytetrafluoroethyleneTeflon(PTFE)Polyacrylonitrile(PAN)Polyformaldehyde(POM)Polyhexamethyleneadipamide(Nylon66)Polyethyleneoxide(PEO)Poly(-caprolactam)orcaprone(Nylon6)Poly(-meth

7、yl)styrenePolyphenyleneoxide,orPolyphenyleneether(PPO)Polyethyleneterephthlate(PET)Polycarbonate(PC)PolyetheretherKetone(PEEK)KevlarPoly(p-phenyleneterephthalamide)PPTAPolyimide(PI)Poly(tetramethylp-silphenylene)siloxane(TMPS)Poly

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