环氧树脂MY721-TDS

Araldite®MY721GeneralAraldite®MY721isatetrafunctionalepoxyresin.Thesystem(usedwithHardenerHY5200)isdesignedforfabricatinghigh-temperatureperformancecompositesbythefilamentwindingprocess.Thissystemexhibitslongpotlifeatprocesstemperatures,yieldingsystemswithhighglasstransitiontemperaturesandexcellentretentionofmechanicalperformance,evenatelevatedtemperatures.ChemicalDescriptionN,N,N',N'-Tetraglycidyl-4,4'-methylenebisbenzenamineAdvantagesLowviscosityforprocessingtemperatureExceptionallylongpotlifeatprocessingtemperaturesExcellentwet-outofreinforcementsExceptionallygoodlong-term,high-temperatureperformanceLowmoistureuptakeOutstandinghot-wetperformanceExceptionalheatresistanceExtremelyhighglasstransitiontemperaturesExcellentretentionofmodulusatelevatedtemperaturesGoodelectricalpropertiesExtremelylowshrinkageExcellentchemicalresistanceIndividualcomponentsareroomtemperaturestableTypicalPropertiesVisualappearanceClear,brownliquidViscosity@50°C(cP),(mPas)3,000-6,000Epoxyvalue(eq/100g)0.86-0.91Weightperepoxide109-116Poundspergallon9.8CibaSpecialtyChemicalsNorthAmericaPerformancePolymersProductDataMixingProcedureCarefullyheattheAralditeMY721to50°CandslowlystirintheHardenerHY5200untilaclearhomogenoussolutionisobtained.Foraclearcasting,maintainatemperaturebetween40°Cand50°Canddegasfor15minutesat30inchesofmercury.Thenpourthematerialintothemoldsandcureaccordingtothecureschedulelistedbelow.FormulatingAllpropertiesarebasedonMY721/HY52001ataweightratioof100/35.Thesystempropertiescanbetailoredforspecificpropertiesbyusingtheformulationapproach.1pbw=PartsByWeightProcessingPropertiesPotLifeattemp.50°C(hrs)2370°C(hrs)7MixViscosityattemp.50°C(cPs),(mPas)100070°C(cPs),(mPas)300GelTime@150°C(min)21CuredNeatResinPropertiesCureSchedule2hr/150°C+2hr/180°CTestingConditions25°C(Dry)25°C(Wet)2150°C(Dry)Flexuralmodulus(KSI),(GPa)442(3.0)429(2.9)346(2.4)Flexuralstrength(KSI),(MPa)17.4(120.0)14.9(102.8)14.1(97.2)Tensilemodulus(KSI),(GPa)460(3.2)454(3.1)329(2.3)Tensilestrength(KSI),(MPa)10.5(72.4)8.7(80.0)7.6(5.2)Tensileelongation(%)2.82.23.2GlasstransitiontemperatureDMA(DRY)(°C)237DMA(WET)3(°C)231TMA(°C)214DMA(DRY)modulusattemperature30°C(KSI),(GPa)512(3.5)150°C(KSI),(GPa)390(2.7)DMA(WET)modulusattemperature30°C(KSI),(GPa)496(3.4)150°C(KSI),(GPa)367(2.5)Waterabsorbance4(%)3.9ElectricalPropertiesDielectricconstant@100Hz4.8Dissipationfactor@100Hz1.5x10-2Volumeresistivity(ohm-cm)1.1x1016Surfaceresistivity(ohm)7.4x1016Dielectricstrength(V/ml)4402Hot/Wettestspecimenswereboiledinwaterfor48hours.3DMAwettestspecimenswereagedfor48hoursinwaterat72°C.4Waterpick-upafter43daysat72°C.Packaging&StorageMY721isavailableina145lb.metaldrumandcanbestoredfortwoyearsminimumfromdateofmanufacturewhenstoredatorbelow40°F.Handling/SafetyPrecautionsWarning!Causesirritation.Maycauseallergicskinreaction.Avoidcontactwitheyes,skinorclothing.Avoidbreathingvapor,mistorspray.Useonlywithadequateventilation.Promptlyremovewetcontaminatedclothingandwashbeforereuse.Discardcontaminatedshoes.Washthoroughlyafterhandling.Warning:Donotheatinbulk-dangerousexothermicreactionmayoccur.Keepawayfromheatsources.Donotcutorweld.Neverusedrumbandheaters.Storeatorbelow40°Finsealedcontainers.Storageathighertemperaturesmayadverselyaffectproperties.Maximumtemperaturethisproductshouldbesubjectedtowhilethawingforuseshouldnotexceed190°Ffornotmorethan12hours.Heatorcontactwithothermaterialsmaycauseanexothermicreactionandrapiddecomposition.FirstAidIncaseofcontact:Eyes:Immediatelyflushwithwaterforatleast15minutes.Skin:Promptlywashthoroughlywithmildsoapandwater.Inhalation:Removetofreshair.Ifbreathingisdifficult,giveoxygen.Ingestion:Ifconscious,giveplentyofwater.Getimmediatemedicalattention.ImportantThefollowingsupercedesBuyer’sdocuments.SELLERMAKESNOREPRESENTATIONORWARRANTY,EXPRESSORIMPLIED,INCLUDINGOFMERCHANTABILITYORFITNESSFORAPARTICULARPURPOSE.Nostatementshereinaretobeconstruedasinducementstoinfringeanyrelevantpatent.UndernocircumstancesshallSellerbeliableforincidental,consequentialorindirectdamagesforallegednegligence,breachofwarranty,strictliability,tortorcontractarisinginconnectionwiththeproduct(s).Buyer’ssoleremedyandSeller’ssoleliabilityforanyclaimsshallbeBuyer’spurchaseprice.DataandresultsarebasedoncontrolledorlabworkandmustbeconfirmedbyBuyerbytestingforitsintendedconditionsofuse.Theproduct(s)hasnotbeentestedfor,andisthereforenotrecommendedfor,usesforwhichprolongedcontactwithmucousmembranes,abradedskin,orbloodisintended;orforusesforwhichimplantationwithinthehumanbodyisintended.CibaSpecialtyChemicalsPerformancePolymers281FieldsLaneBrewster,NewYork10509(914)785-3000(800)222-1906Fax:[phone]AralditeMY721Resins©CibaSpecialtyChemicals1997PrintedintheU.S.A.September1,1998OurDistributorNetworkArchwaySales,Inc.4155ManchesterAve.St.Louis,MO63110314-533-4662Fax:[phone]M.F.CachatCompany1391West110thStreetCleveland,Ohio44102216-228-8900/800-729-8900Fax:[phone]SwiftAve.,Suite404N.KansasCity,MO64116816-471-2176-7Fax:[phone]AirwaysBlvd.Suite100Memphis,TN38116901-346-2012Fax:[phone]