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SBRCRSEBS共混物形态的研究(英文).docx

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SBRCRSEBS共混物形态的研究(英文) Title:StudiesontheMorphologyofSBRCRSEBSBlend WordCount:1200 Abstract: Blendsofstyrene-butadienerandomcopolymer(SBRC)andstyreneethylenebutylenestyrene(SEBS)copolymerhavebeenwidelyutilizedinvariousindustriesduetotheiruniquepropertiesandbroadrangeofapplications.Understandingthemorphologyoftheseblendsiscrucialforoptimizingtheirperformanceanddevelopingnewmaterialswithenhancedproperties.ThispaperaimstoreviewthecurrentresearchonthemorphologyofSBRC-SEBSblendsanddiscussthekeyfactorsinfluencingtheirmorphology,suchascomposition,processingconditions,andcompatibility.Additionally,potentialstrategiesfortailoringthemorphologyoftheseblendsforspecificapplicationswillbeexplored. Introduction: BlendsofSBRCandSEBScopolymershavegainedsignificantattentioninrecentyearsduetotheirattractivecombinationofproperties,includingexcellentmechanicalstrength,flexibility,thermalstability,andweatherresistance.Theseblendsfindapplicationsinautomotiveparts,electricalinsulation,adhesiveformulations,andvariousotherfields.Theuniquepropertiesoftheblendaredeterminedbyitsmorphology,whichisinfluencedbyseveralfactors,suchascomposition,processingconditions,andcompatibilitybetweenSBRCandSEBScopolymers. MorphologyofSBRC-SEBSBlends: ThemorphologyofSBRC-SEBSblendstypicallyexhibitsthreemainphases:pureSBRCphase,pureSEBSphase,andaninterpenetratingnetworkphase.Thepresenceofthesephasesandtheirdistributionsignificantlyimpacttheoverallpropertiesoftheblend.Themorphologycanbecharacterizedusingtechniqueslikescanningelectronmicroscopy(SEM),transmissionelectronmicroscopy(TEM),andatomicforcemicroscopy(AFM).Thesetechniquesprovidevaluableinformationonthephasemorphology,dispersion,domainsize,andinterfacialinteractionsbetweenSBRCandSEBScopolymers. FactorsInfluencingMorphology: 1.Composition:TheratioofSBRCtoSEBScopolymersplaysacrucialroleindeterminingthemorphology.HigherconcentrationsofSBRCfavortheformationofaninterpenetratingnetworkphase,whilehigherSEBSconcentrationsresultinphaseseparationandformationofdistinctp