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高分子复习.doc

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Definethefollowingterms.定义下列概念CondensationpolymerizationandFreeradicalpolymerizationreactionMonomer,Oligomer,therepeatingunitAlternatingcopolymer,BlockcopolymerBranchedPolymer,syndiotacticpolymer,atacticpolymerCrosslinking,vulcanizationChainTransfer,Initiation,Propagation,andTerminationThermosetandThermoplasticGlassTransitionTemperaturePlasticizers,Ziegler-Nattacatalystspressionmolding,Extrusion,InjectionandBlowmoldingMultiplechoices.单选Tirecords,thefilmusedasbackingformagneticrecordingtapeinaudioandvideocassettes,andplasticsoft-drinkbottlesareallposedofwhatpolymers?Dpoly(tetrafluoroethylene)high-densitypolyethylenenylonpoly(ethyleneterephthalate)Whattermisusedtoindicateapolymerizationthatoccurswithoutthegrowthofachainmonomerbymonomer,butinsteadoccursasmonomersformdimers,dimersformtetramers,etc.?Ca.Non-chainb.Discontinuousc.step-growthd.irregular-incrementWhodevelopedcatalyststhatcanproduce,exclusively,eitherisotacticorsyndiotacticpolymers?BCarothersZieglerandNattaStaudingerGoodyearWhogavethemacromolecularhypothesis?CCarothersZieglerandNattaStaudingerGoodyearFabricsorfilmsmadeofwhichofthefollowingpolymersaremostsensitivetodamagefromsolutionsofstrongbases?Aa.Nylonb.Polyethylenec.poly(vinylchloride)d.polystyreneWhoproducedbilliardballsusingcollodianasasubstituteforivory?AHyattStineGoodyearStaudingerInwhichpolymeris-(-CF2-CF2-)n-therepeatingunit?DAcrilanOrlonLuciteTeflonTherepeatunitinapolymeriscalledtheAa.monomerb.oligomerc.degreeofpolymerizationd.merThesmallestrepeatingunitofapolymeris:Ba.Polymersb.Monomersc.Oligomersd.dimerInaIsotacticpolymer,Athesidegroupsonapolymerchainareallgenerallyonthesamesideofthepolymerchain.thesidegroupsofthepolymerchaingenerallyalternatetheirorientationfromonesidetotheother.thesidegroupsofthepolymerchainoccurrandomlyonbothsidesofthepolymerchain.therearenosidegroupsonthepolymerchain.Latexisthesourceof:Cnylon.isoprene.naturalrubber.cis-1,4-polybutadiene.ThetypeofpolymerthatislinearanddistortswithheatiscalledCa.cross-linkedb.thermosetc.