四川大学期末考试试题(闭卷)(2010——2011学年第一学期)课程号:203027020课序号:0~4课程名称:高分子科学导论任课教师:成绩:适用专业年级:2008学生人数:印题份数:300学号:姓名:考试须知四川大学学生参加由学校组织或由学校承办的各级各类考试,必须严格执行《四川大学考试工作管理办法》和《四川大学考场规则》。有考试违纪作弊行为的,一律按照《四川大学学生考试违纪作弊处罚条例》进行处理。四川大学各级各类考试的监考人员,必须严格执行《四川大学考试工作管理办法》、《四川大学考场规则》和《四川大学监考人员职责》。有违反学校有关规定的,严格按照《四川大学教学事故认定及处理办法》进行处理。1.填空题(共15题,每题1分):(1)按高分子主链结构划分,聚乙烯属于碳链高分子,而尼龙(Nylon)属于。(2)聚醋酸乙烯酯水解制备聚乙烯醇是分子量但聚合度的化学反应。(3)聚合物由玻璃态向高弹态转变的温度称为。(4)高分子的分子量具有不均一的特性,称为分子量的多分散性,通常用分子量分布指数表示,其数值等于的比值。(5)聚丙烯具有无规、和三种立构异构体。(6)通用工程塑料之一的因为其优良的光学性能而被用作CD光盘的透明覆盖层。(7)通过苯酚与甲醛两种单体制备酚醛树脂,其中苯酚的反应官能度为。(8)相对于熔体纺丝工艺,干法纺丝和湿法纺丝属于。(9)丁苯橡胶的两种共聚单体为:和。(10)涂料,俗称油漆。按有无添加颜料,可分为和色漆。(11)基料(主体高分子)是赋予粘合剂粘性的主要成分,可分为树脂型和。(12)热分析法测定材料玻璃化转变温度(Tg)可以表征高分子共混体系相容性,常用的包括动态热机械法(DMA)和。(13)蛋白质与尼龙在结构上的相同之处是都含有键。(14)形成超分子聚合物所涉及的常见几种非共价作用力包括、等(任填两种)。(15)制备高吸水性功能高分子材料时,通常必须考虑其聚合物结构单元中带有如等亲水基团(任填一种)。2.选择题(英文单项选择,共25题,每题1分):(1)Theendgroupsofpolyethyleneterephtahlate(PET)synthesizedfromthepolycondensation(缩聚)ofethyleneglycol(HOCH2CH2OH)andterephthalicacid(HOOCC6H4COOH)withmolarratioof1:1maybe:()A.HydroxylgroupB.CarboxylgroupC.BothAandBD.Noneofthem(2)Whichofthefollowingreactionsbelongstochainpolymerization(连锁聚合)?()A.preparationofpolystyrene(聚苯乙烯,PS)B.preparationofNylon6,6(尼龙6,6)C.preparationofpolylacticacid(聚乳酸,PLA)D.preparationofepoxyresin(环氧树脂)(3)Whichofthefollowingpolymershasonlyonekindofrepeatingunit?()A.ABSB.NBR(丁腈橡胶)C.Nylon4,6(尼龙4,6)D.EVA(乙烯-醋酸乙烯酯共聚物)(4)Preparationofpolyurethane(聚氨酯)isaprocessof()A.SteppolymerizationandcondensationreactionB.SteppolymerizationandadditionreactionC.ChainpolymerizationandcondensationreactionD.Chainpolymerizationandadditionreaction(5)Whichofthefollowingpolymershasbothsequenceisomer(顺序异构体)andstereoisomer(立体异构体)?()A.Polytetrafluoroethylene(CF2-CF2)B.Polyvinylidenefluoride(CH2-CF2)C.Polyethylene(CH2-CH2)D.Polychlorotrifluoroethylene(CF2-CFCl)(6)Thecrystallineregionofapolymerhas()densitycomparedtotheamorphousregionofthesamepolymer.A.LowerB.HigherC.SimilarD.Uncertain(7)Thesidegrouphasimportantinfluenceontheflexibility(柔性)ofthepolymerchains,pleasechoosethecorrectprecedenceorderabouttheflexibilityofthefollowingpolymers.PE(聚乙烯)CPE(氯化聚乙烯)PVC(聚氯乙烯)A.PVCCPEPEB.PEPVCCPEC.CPEPVCPED.PECPEPVC(8)Whichdescriptionaboutthecrystallizationofpolymersiscorrect?()A.Somepolymerscanexperiencefullcrystallization.B.Somepolymerscannotcrystallization.C.Thepolymerhasfastercrystallizationratethanorganiccompounds.D.Thecrystallizationtemperatureofpolymerishigherthanthemeltingtemperature.(9)Regardingtheaveragemolecularweightofthepolymer,whichprecedenceorderiscorrect:()A.MvMwMzMnB.MnMvMwMzC.MzMwMvMnD.MnMzMwMv(10)Whichofthefollowinginstrumentscanbeusedfordeterminingthedegreeofcrystallinity(结晶度)ofpolymer?()A.Differentialscanningcalorimetry(DSC,差示量热扫描)B.Lowanglelaserlightscattering(LALLS,小角激光光散射)C.Gelpermeationchromatography(GPC,凝胶渗透色谱)D.Transmissionelectronmicroscope(TEM,透射电子显微镜)(11)Whichofthefollowingpolymersisthermoplastic(热塑性)?A.AlkydresinB.VulcanizedrubberC.celluloseD.ABS(12)Whichofthefollowingpropertiesisnotcorrectfordescribingpolytetrafluoroethylene(聚四氟乙烯)?A.corrosionproofB.waterproofC.highthermalstabilityD.highmechanicalstrength(13)Thenameofthefollowingpolyamideis()A.Nylon4,6B.Nylon12C.Nylon6,6D.Nylon10(14)Thecuring(固化)ofthethermosettingresinisaprocessof()?A.DegradationB.Cross-linkingC.BlendingD.Drying(15)Whichofthefollowingfibersisnotpreparedfromnaturalpolymers?()A.viscosefiber(黏胶纤维)B.celluloseacetateC.Polyurethanefiber(聚氨酯纤维)D.cotton(16)Whichofthefollowingrubbercannotbevulcanizedusingsulfur(硫磺)ascross-linkingagent?()A.CR(氯丁橡胶)B.BR(顺丁橡胶)C.SBR(丁苯橡胶)D.NBR(丁腈橡胶)(17)WhichthefollowingcoatingisNotaenvironmentbenign(环境友好)coating?()A.Waterpainting(水性涂料)B.Powdercoating(粉末涂料)C.High-solidcoating(高固体分涂料)D.Solventbasedcoating(溶剂型涂料)(18)Whichthefollowingpolymerscouldbeusedasadhesive?()A.B.C.D.(19)Naturalpolymerusuallyrefertopolymerslikethefollowingexamples:()A.fibers/rubber/nylonB.naturalrubber/starch/proteinsC.starch/aminoacids/enzymeD.naturalrubber/poly(aminoacids)/PS(20)Whichpolymermaybeusedasgoodconductorofelectricity?()A.B.C.D.(21)Whyistheformationofsupramolecularpolymerssensitivetotheenvironment?A.BecausesupramolecularpolymersareunstableB.BecausethemolecularweightofthepolymerisveryhighC.BecausetheformationinvolvesthebreakingofstrongcovalentbondsD.Becausesupramolecularpolymersareformedviaweakintermolecularinteractions(22)Whatnon-covalentinteractionisinvolvedasthemajorweekforceintheformationofthecomplexbetweencyclodextrin(环糊精)andpolyethyleneglycol(聚乙二醇)inwater?A.hydrogenbondingB.hydrophobicinteractionC.-interactionD.cation-interaction(23)Biopolymersarerequiredtohaveatleastoneofthefollowingimportantfeatures:A.highstrengthandhydrophobicityB.highstabilityandhighMolecularweightC.resistancetobiodegradationD.non-toxicityandcompatibilitywithtissue(24)Whichcomponentmayserveasfiller(填料)inPVCcablejacket(电缆护套)?()A.AlkylsilanesB.GraphiteC.CalciumcarbonateD.Flameretardants(25)Whichthefollowingcompoundcouldbeemployedtoimprovethedispersionanddistributionofthepolymerblends?()A.Anti-oxidantB.Compa