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1、Polycarbonate/ABSBlends:ALiteratureReviewROBERTOGRECO*andA.SORRENTINOlnstituteofResearchandTechnologyofPlasticMaterialsofItalianNationalResearchCouncil(CNR),ViaToiano,6-80072Arc0Felice,Naples,ltalyABSTRACT-AliteraturereviewconcerningPC/ABSalloysispresentedwiththeaimofprovidingabackgroundsuita
2、bleforasystematicinvestigationonthepropertiesofsuchmaterialsundertakeninourInstitute.ThisisprecededbyanadditionalsurveyonPC/SANalloys.Thepurposewastoextendtheabove-mentionedbackgroundfurnishingliteratureinformationavailableonthesesystems(havingtwocomponentsoutofthreeincommonwithPC/ABSalloys),
3、particularlywithrespecttothephasecompatibility.Thearticlesherepresentedanddiscussedofferanalmostexhaustivesurveyoftheworkdoneuntilnowonthesecommercialmaterials.01994JohnWiley&Sons,Inc.someoftheirproperties.Asamatteroffact,PC/IntroductionABSalloysconsistoffourpolymericspeciescom-poundedincompl
4、exmultiphasesystemsandtheirolycarbonate(PC)/acrylonitrile-butadiene-behaviorisnotyetclearlyunderstood.Pstyrene(ABS),blendsarewell-knowncom-Forsuchareasonasystematicinvestigationwasmercialproducts.l,*ThecauseoftheirsuccessonundertakeninourInstitutewiththeaimofex-themarketisduetocomplementarypr
5、opertiesofplainingwhythesematerials,madebyincpmpati-thecomponents.PCcontributes,indeed,togoodblecomponents,withoutanycompatibilizeraddi-mechanicalandthermalpropertieswhereasABStion,exhibitsogoodproperties.Thestudycouldprovideseaseofprocessabilityandreliablebeveryusefulforextendingtheacquiredk
6、nowl-notchedimpactresistance.ForthesereasonsPC/edgetoothermulticomponentsystems.ABSblendshavereceivedconsiderableattentionInthisarticlealiteraturereviewispresentedininpatentsandtechnicalapplications,particularlyordertoprovidetheextendedbackgroundneces-intheautomotiveindustry.Fromascientificpo
7、intsaryforthissystematicanalysis.Thebehaviorofofview,however,onlyinrecentyearshaveacer-PC/Styrene-Acrylonitrile(SAN)copolymerblendstainnumberofarticlesbeenissued,concerninghavebeenincludedtothispurposeaswell,sincethesesystemscanbeconsideredin
