環(huán)氧樹脂固化體系反應誘導相分離的研究.pdf

1、浙江大學碩士學位論文環(huán)氧樹脂固化體系反應誘導相分離的研究姓名：譚葵田申請學位級別：碩士專業(yè)：材料學指導教師：鄭強2001.2.1～塑f型；叁翌墮!：墮墨———————————h———————r———一一一ABSTRACTBlendillg^110dif)，ingforpolymersisregardedasthemosteffectiveandcheapestwa)，toobtainpolymel‘icmaterialsofhighpe

2、rformanceEpox)’resinshaveman7applicationstitletotheirexcellentp1opertiesButtheir’useshavebeengt‘earlylimitedbecauseoftheintrinsicshortcomingsbrittlenessSothermoplasticstoughenedormodifiedepoxyresinshavebecomeanimportanta

3、ndeverlastingresearchareaPhaseseparationandtheevolutionandformationofphasesh。ncttuehavegl。eatinfluences011theultimatestructuresandperfol’illancesofpolymel’compositenlatcrialsReaction—inducedphaseseparationtakesplaceviasp

4、inodaldecompositionduetoIheinclcaseofthemolectdarweightofIj一51whichrcsullsinthepot『11miscibilitybetweenE51andtilethel’moplaslicsPyintentionallycontrollingthecompetitiverateofchemicalreactionandphaseseparationweeancontrol

5、thcmorphologyformationandthenobtainthedesiredperformance1’histhesisemployedatimeresolvedSmallAnglelaserLightScatteringSAI^S、coupledwithDifferentialScanningCalorimetry(DSC)tostudythereaction—inducedpbaseseparationkinetics

6、oftwoepoxysystems：E51／PEIandE5I／PEI／PCTheinfluencesofcuringtemperature，curingtimeandcomposition011thecuringreactionandphaseseparationbehaviorwereinvestigatedindetailThemechanism、phasemorphologyandthereactionkineticsofthe