乙烯基酯樹脂的固化特性的研究

1、類別：全日制碩士研究生題目：乙烯基酯樹脂的固化特性的研究英文題目：類別：全日制碩士研究生題目：乙烯基酯樹脂的固化特性的研究英文題目：StudyofCuringBehavisofVinylEsterResin研究生：趙新苓學科名稱：材料物理與化學指導教師：史志銘教授研究生：趙新苓學科名稱：材料物理與化學指導教師：史志銘教授二○一○年五月二○一○年五月碩士學位論文碩士學位論文分類號:學校代碼:10128分類號:學校代碼:10128UDC:學

2、號:20071223學號:20071223AbstractX158vinylesterresin(X158VE)hasexcellentmechanicalpropertieschemicalcrosionresistancehightemperatureresistanceofphenolicepoxyvinylesterresin.TofurtherenhancetheX158VEcuredoverallperfmanceitisn

3、ecessarytostudycuringbehavikiicsoftheresin.methylethylketoneperoxide(MEKP)ischoicedasinitiat.ThecuringbehavicuringreactionkiicsberelatedtocuringagentaremeasuredbymeansofDSC.Theparametersofcuringreactionsarecalculated.The

4、bestcuringsystemoptimumcuringconditionsaredeterminedaswell.TheeffectofdiluentisanalyzedthroughvisciditytestinfraredspectrumwithStyrene(Vt)asthediluentofresin.Finallytheheatresistanceisinvestigatedby(TGDSC)theloadheatdist

5、tiontemperaturemeter(HDT).TheresultsshowthattheMEKPisappropriateof23wt%Vtis3wt%.Theleastsquaresgeltemperature(110.35C)curingtemperature(128C)temperatureaftercuringtreatment(161.3C)aredeterminedbyfittingcurveswithdifferen

6、theatingrates.Withtheisokiictemperaturetheultimatedegreeofcureincreasesgraduallythecuringtimeisreduced.KissingermethodOzawamethodareusedtodeterminetheaverageapparentactivationenergyof2.186105Jmolreactionderof0.9604.Thevi

7、scositydecreasedwiththeincreaseofVt.AtroomtemperatureviscosityincreasestillacertainamountofVt.UndertheconditionsofwarmingVtwithcontentsof3wt%viscositydecreasegradually.Atthemomentmoleculardiffusionismeunifm.Itisfoundthat

8、astrongabsptionbappearedat3478cm1intheinfraredspectrawhereisthehydroxylstretchingvibrationabsptionpeakswhile3735cm1isthehydrogenbondinghydroxylstretchingvibrationabsptionpeak.Theresultsindicatetheprocessinvolvedthereacti

9、onofVtwithwatergeneratedaswell.WhenthecontentofVtis3wt%HDTismuchhigher.WiththeVtcontentincreasedtheHDTpresentaupdowntrend.TGcurveshowsthethermaldecompositionreactionisonestepreaction.Furthermeonsettemperatureendtemperatu