高分子物理（浙江大学） Introduction

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1、PolymerPhysics高分子物理徐君庭，沈烈Teachers任课教师徐君庭高分子大楼419;87953164xujt@zju.edu.cn沈烈高分子大楼310;87953712shenlie@zju.edu.cnBooksandreferences教材与参考书方征平，宋义虎，沈烈高分子物理(PolymerPhysics)浙江大学出版社,杭州,2008何曼君，陈维孝，董西侠高分子物理(修订版)复旦大学出版社，上海，1990金日光，华幼卿高分子物理(第二版)化学工业出版社，北京，2000L.H.SperlingI

2、ntroductiontoPhysicalPolymerScienceP.J.FloryPricinplesofPolymerChemistry网络课件地址：http://polymer.zju.edu.cn/polymerphysics/或http://jpkc.zju.edu.cn:8080/ka/index.htm省级精品课程(2009年)电子教案实验教学特色教学学习资料概念图解(完善中，欢迎同学参加！)教学课件名词解释教学大纲实验内容实验仪器教学研究学生作业习题Introduction绪论Polymersa

3、relong-chainmoleculesofveryhighmolecularweight,oftenmeasuredinthehundredsofthousands高分子是由成千上万个结构单元以共价键重复连接而成的长链分子DefinitionsofPolymers高分子的定义MacromolecularHypothesis(1920)TheoriginofmodernpolymerscienceHermanStaudinger1953NobelprizeawarderPolymer,orMacromolecu

4、lelargemoleculeconsistingofrepeatingsmallerunits(calledmonomer).e.g.(poly=many;mer=unit)Polymer聚合物Macromolecule大分子HighPolymer高聚物Nomenclature高分子术语Monomer单体Molecule小分子Oligomer齐(低)聚物ClassificationofsyntheticpolymersClassificationaccordingto:PhysicalstructureTherm

5、albehaviourUsePreparationmethodPhysicalStructureLinearpolymersmayberepresentedbyachainwithtwoends.Branchedpolymershavesidechains,orbranches,ofsignificantlengthwhicharebondedtothemainchainatbranchpoints,andarecharacterizedintermsofthenumberandsizeofthebranches.

6、Polymerswithwell-controlledmodesofbranching:comblikepolymers,starpolymers,dendrimers,etc.Networkpolymershavethree-dimensionalstructuresinwhicheachchainisconnectedtoallothers,andarecharacterizedbytheircrosslinkingdensityordegreeofcrosslinking(numberofjunctionp

7、ointsperunitvolume).shortbranchingpolymercomblikepolymerstarpolymerdendrimerhyperbranchpolymercore1stgeneration2ndgeneration3rdgenerationThermalBehaviorThermosetsRigidmaterialsandnetworkpolymersinwhichchainmotionisgreatlyrestrictedbyahighdegreeofcrosslinking.I

8、ntractableonceformed.Degraderatherthanmeltuponheating.Thermoplastics(plastics)Linearorbranchedpolymerswhichcanbemeltedupontheapplicationofheat.(Largestproportionofthepolymersusedin