24281.乙烯—醋酸乙烯酯共聚物的改性與性能研究

1、乙烯醋酸乙烯酯共聚物的改性與性能研究學(xué)位論文完成日期：指導(dǎo)教師簽字：答辯委員會(huì)成員簽字：ABSTRACTMODIFICATIONANDPROPEI汀YI之ESEARCHOFETHYLENEVINYLACETp汀ECOPOLYM匝RABS瞰CTThemainaimofthispaperwasthemodificationofethylenevinylacetatecopolymer(EVA)bychlorinationandin—situ

2、chlorinatinggraftingcop01ymerizationTherewerenoinitiatorsaddedinteactivesystemchlorineradicalsderivedfromthedecomposedchlorinemolecularwereusedastoinitiategraftingreactionofEVAChlorinationandgraftingweresimultaneousdurin

3、gtheISCGCThestructureofchlorinatedEVAfCEVA)withdifferentchlorinecontentwerecharacterizedbyFTIR，GPCand1HNMR，whichverifiedthefeasibilityofmodificationofE、，AbvchlorinationandISCGCWecouldknOWthattherewerecarboncarbondoublebo

4、ndsandvinylidenechlorinesstructureintheCE、，AandCE、，AcgMMAmolecularchainFromtheresultsofGPC，weknewthatthecarbon—carbonwereproducedbytheremovalofHCInottheoxidedegradationForchlorinatedEVA，wecalculatethecontentofchemicalgro

5、upunitsby1HNMR，andanalyzedthechlorinatedmechanismThegraftingdegreeofCE、，A—cgMMAwithdifferentMMAusagewerecalculateby1H二NMRalsoThegraftingdegreewereincreasedthendecreasedastheMMAusageincreasedThecontentofcarboncarbondouble

6、bondsandvinylidenechlorinesstructureweredifferentwiththegraftingdegreeiSdifferentFromtheresultsofDSCthecrystallizationdegreeweredecreasedandtheglasstransitiontemperature(Tg)increased，aSthechlorinecontentofCEVAincreased；t

7、heglasstransitiontemperature(Tg)ofCE、，A—cg—MMAdecreasedasthegraftingdegreeincreased’InadditionwealsotestthepropertiesofCEVAandCEVAcgMMAwhicharefilmofcoatingWeresearchedtheevolutionofglossiness，impactstrength，adhesionandh