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1、Definethefollowingterms.1.CondensationpolymerizationandFreeradicalpolymerizationreaction2.Monomer,Oligomer,therepeatingunit3.Alternatingcopolymer,Blockcopolymer4.IsotacticPolymer,Syndiotacticpolymer,Atacticpolymer5.Crosslinking,vulcanization6.ChainTransfer,Initiation,Propagation,
2、andTermination7.ThermosetandThermoplastic&GlassTransitionTemperature9.Plasticizers,Ziegler-Nattacatalysts10.Compressionmolding,Extrusion,InjectionandBlowmoldingMultiplechoices.1.Tirecords,thefilmusedasbackingformagneticrecordingtapeinaudioandvideocassettes,andplasticsoft-drinkbot
3、tlesareallcomposedofwhatpolymers?a.poly(tetrafluoroethylene)b.high-densitypolyethylenec.nylond.poly(ethyleneterephthalate)2.Whattermisusedtoindicateapolymerizationthatoccurswithoutthegrowthofachainmonomerbymonomer,butinsteadoccursasmonomersformdimers,dimersformtetramers,etc.?a.No
4、n-chainb.Discontinuousc.step-growthd.irregular-increment3.Whodevelopedcatalyststhatcanproduce,exclusively,eitherisotacticorsyndiotacticpolymers?a.Carothersb・ZieglerandNattac.Staudinger(!•Goodyear4.Whogavethemacromolecularhypothesis?a.Carothersb.ZieglerandNattac.Staudinger(!•Goody
5、ear5.Fabricsorfilmsmadeofwhichofthefollowingpolymersaremostsensitivetodamagefromsolutionsofstrongbases?a.Nylonb.Polyethylenec.poly(vinylchloride)d・polystyrene1.Whoproducedbilliardballsusingcollodianasasubstituteforivory?a.Hyattb.Stinec.Goodyeard.Staudinger2.Inwhichpolymeris-(-CF2
6、-CF2-)n-therepeatingunit?a.Acrilanb.Orlonc.Lucited.Teflon3.Therepeatunitinapolymeriscalledthea.monomerboligomerc.degreeofpolymerizationa.mer4.Thesmallestrepeatingunitofapolymeris:a.Polymersb・Monomersc.Oligomersa.dimer5.InaIsotacticpolymer,a.thesidegroupsonapolymerchainareallgener
7、allyonthesamesideofthepolymerchain.b.thesidegroupsofthepolymerchaingenerallyalternatetheirorientationfromonesidetotheother.c.thesidegroupsofthepolymerchainoccurrandomlyonbothsidesofthepolymerchain.d.therearenosidegroupsonthepolymerchain.11•Latexisthesourceof:a.nylon.b.isoprene.c.
8、naturalrubber.d.cis-1,4-polybutadiene.12
