伊士曼Tritan材料介紹課件

伊士曼Tritan材料介紹伊士曼Tritan材料介紹AGENDAIntroductionPresentersfromEastmanOverviewValuepropositionsKeymessagesTechnicalreviewPricingRulesofengagementMarketstoavoidfornowWrapupandquestionsAGENDAIntroductionTenite?cellulosicsEastar?PETGEastar?PCTGEastar?DN011Eastapak?PETEastar?EN058Eastar?K3000Tritan?Durastar?1000SuccessfulhistoryofinnovationEastmaninnovationTenite?cellulosicsEastar?PETEastmanTritan?copolyester

What’shappening?LaunchedpubliclyonOct24,2007(K'07)ProducedinKingsport,TNInitiallyfocusedontargetmarketsinNorthAmericaandEuropeHousewaresSmallappliancesInfantcareSignssheetapplicationsSignificantfocusoninjectionmoldingapplicationsPartneringwithkeyextrusioncustomersEastmanChemicalCompany–RestrictedInformationEastmanTritan?copolyester

WEastmanTritan?copolyestertimeline2003-2005Evaluationofphysicalproperties,opportunityassessment2004-2005Benchscalepolymerandprocessdevelopment2006Pilotplantrun,prioritymarketsamplingOctober2007Tritan?Launch:K’07,prioritymarketsAnnouncementofcapacityexpansion1Q08Start-upofcapacityexpansion1Q10Introductionviaplasticsdistribution1Q09EastmanTritan?copolyestertiSomecommercialapplications…Somecommercialapplications…7EastmanTritan?copolyester

Anew-generationcopolyesterEastmanTritan?copolyesterbalancesthepropertiesofeasyprocessing,clarity,toughness,andheatandchemicalresistance–creatingcompellingvalue.ToughnessHeatresistanceEasyprocessingChemicalresistanceClarity7EastmanTritan?copolyester

A8EastmanTritan?copolyester

BalancingprocessingandperformancepropertiesCLARITY–balancinglivelyaestheticsandlong-livedperformanceAhighleveloflighttransmittanceAlowlevelofhazeHighglossprovidesvibrantappearanceincoloredortintedproductsTOUGHNESS–balancinghighvisualimpactwithenduringimpactresistanceToughDurableMaintainsfunctionalandaestheticintegrityoverproductlifeGLASSTRANSITIONTEMPERATURE–balancingheatresistanceandeasyprocessingReducedmoldingandsheet-thermoformingcycletimesNoneedforseparateannealingstepPotentialforreducedenergyuseCHEMICALRESISTANCEandHYDROLYTICSTABILITY–tippingthebalanceinyourfavorEastmanTritan?copolyestercanwithstandmanyharshchemicalenvironmentswithoutcrazing,crackingorhazing8EastmanTritan?copolyester

BFeaturesandbenefitsof

EastmanTritan?copolyesterVerytough(NBnotchedizod)HighTg(110°C-120°C)ChemicallyresistantHydrolyticallystableLowresidualstressBisphenol-AfreeEasytomoldinPCoperationsLowerdensityvsPCGoodclarityandhighglossGoodscratchresistanceNEWpolymerThesefeaturesandbenefitstranslatetohighervaluefor

EastmanTritan?copolyestercustomers…Featuresandbenefitsof

EastmEastmanTritan?copolyestervaluepropositionTheamount/typeofvaluethatacustomerperceivesfromEastmanTritan?copolyesterdependsontheirpositioninthevaluechainandtheirfocusonservingtheunmet/underservedneedsoftheircustomerEastmanTritan?copolyesterofferstremendousvaluetobrandowners/retailers/consumersleveragingitsbalanceofclarity,toughness,chemicalresistanceandprocessabilitytoproducepartswithgreaterlongevityinappearanceandperformanceEastmanTritan?copolyesteroffersvaluetomoldersfocusedonofferingimprovedproductstotheircustomerswithpotentiallyloweredproductioncostsResinproducerDistributorMolderBrandowner/OEMRetailerConsumerEastmanTritan?copolyestervaGeneralmoldervaluepropositionEastmanTritan?copolyesteroffersmoldersadvantagesoverheritagecopolyestersaswellasotherthermoplasticsintwoareas:Manufacturingcostreduction:EastmanTritan?copolyestercanreduceprocessingtimeandsystemcosts,incertaincasesreducingtheneedforannealingandotherexternaloperationsLowerdensityNoannealingrequiredDrop-inforPC(sameshrinkage)EasytocolorandtintPotentiallyfastercycletimesEastmanTritan?copolyesterisaninnovativepolymerfamilythathelpsmoldersprovidedifferentiatedproductsbycombiningthetraditionalstrengthsofcopolyesterswithsuperiortoughnessandeasierprocessingGeneralmoldervaluepropositiGeneralmoldervaluepropositionIncreasedsales:Eastman

Tritan?copolyesterhelpsmoldersofferuniquenewproductsbasedonconsumer-preferredbenefitswhichcanbeleveragedtocreatemarketingadvantagesandincreasedsalesHighercustomersatisfactionwithlowerreplacementcostsGoodimpactresistanceResistancetochemicalattack(detergentsandfood)Increaseddishwasherdurability(morecycleswithoutcrazesorcracks)GoodstainresistanceLowresidualstressInnovativeanddifferentiatedproductsBPAFreeANEWproductSparklingclarityandglossMoredesignflexibilitybecauseofthelowerlevelsofstressBettersoundqualityGeneralmoldervaluepropositiValueproposition:HousewaresEastmanTritan?copolyesterbuildsonthechemicalresistance,clarity,andotherinherentfeaturesofcopolyesters,buthasahigherheatdistortiontemperature,Tg,andhigherimpactresistancethantraditionalcopolyesters.ThehigherTgofTritan?allowsthepolymertowithstandthehighheatandhumidityrequirementsforrepeatedcyclesincommercialandresidentialdishwashers,orexposuretocommoncleansers,sanitizersanddetergentsRelativetoPC,EastmanTritan?copolyesterisanextremelytoughpolymerthatcanoftenprovideadrop-inreplacementforpartsproducedbyinjectionmolding,requiringonlyminoradjustments.Ithasthepotentialtoprovidereliableresultswithoutaseparateannealingsteptoeliminateresidualstress.ThiscanresultinlowersystemscostandpartswithgreaterdishwasherdurabilityTheuniqueandproprietarychemistryofEastmanTritan?copolyesterdoesnotuseorgeneratebisphenol-A(BPA)inthemanufacturingprocess.ThismeansthatexposuretoBPAisnota

concernwithTritan?,andmaygivecustomerstheopportunitytodifferentiatetheirbrandsbyprovidingBPA-freeproductsEastmanTritan?isanew-generationcopolyesterthatoftenprovidesgreaterdesignfreedomandvalueformanufacturersanddesignerswhotraditionallyusepolycarbonate(PC)toproducecommercialandresidentialhousewares,barwareandsportsbottlesEastmanChemicalCompany,thedeveloperofEastmanTritan?copolyester,hasworkedwithleadingbrandownersinvariousmarketstorigorouslytestandvalidatetheperformanceofTritan?underavarietyofend-useconditionsValueproposition:HousewaresEValueProposition:(forhousewares,eg.drinkware)ProductDishwasherdurabilityvsSAN&PCBPAfreevsPCImpactstrength(lessbreakagevsSAN&Glass)Clarity&glossvsSANChemicalresistance(tooilsinfood)vsSAN/PC1stinmarket(countryspecific)BetterscratchresistancevsSANPremiumfeelvsSANManufacturingPriceversusglassDensityversusPC,glassCycletimes/processing/noannealingvsPCNotoolchangeneeded/onlyminormodificationsValueProposition:(forhousewValueProposition:(forsportsbottles)ProductBPAfreevsPCImpactstrength(lessbreakagevsSAN/GPPS)Chemicalresistance(tooilsinfood)vsPC/GPPS/SAN1stinmarket(countryspecific)DishwasherdurabilityvsSAN&PCClarity&glossvsSANBetterscratchresistancevsSANPremiumfeelvsSAN/GPPSManufacturingDensityversusPCnoannealingvsPC(IM)Notoolchangeneeded/onlyminormodificationsValueProposition:(forsportsValueproposition:SmallAppliancesEastmanTritan?copolyesterisatough,innovativepolymerthatprovidesauniquebalanceofprocessingandperformanceproperties—includingclarity,toughness,andheatandchemicalresistance—forthesecustomersRelativetoPC,EastmanTritan?copolyesteroffersauniquechemistrythatallowscarafesandotherinjectionmoldedpartstobemanufacturedwithgreaterhydrolyticstabilityandlowerlevelsofresidualstress,resultingingreaterdishwasherdurabilityThesepropertiesalsocaneliminateaseparateannealingstep—andprovideotherprocessingadvantages.Asaresult,partscanoftenbeinjectionmoldedfromEastmanTritan?copolyesterinlesstimeand,potentially,withlessenergythanPCTheuniqueandproprietarychemistryofEastmanTritan?copolyesterdoesnotuseorgeneratebisphenol-A(BPA)inthemanufacturingprocess.ThismeansthatexposuretoBPAis

notaconcernwithTritan?,andmaygivecustomerstheopportunitytodifferentiate

theirbrandsbyprovidingBPA-freeproductsEastmanTritan?copolyesterisanew-generationcopolyesterthatoftenprovidesgreaterdesignfreedomandvalueformanufacturersanddesignerswhotraditionallyusepolycarbonate(PC)toproduceplasticpartsforsmallappliancesEastmanChemicalCompany,thedeveloperofTritan?,hasworkedwithleadingbrandownersinvariousmarketstorigorouslytestandvalidatetheperformanceofTritan?underavarietyofend-useconditions.Valueproposition:SmallAppliValueProposition:(forsmallappliances,eg.Blenderjug)ProductDishwasherdurabilityvsSAN&PCBPAfreevsPCImpactstrength(lessbreakagevsSAN&Glass)Clarity&glossvsSANChemicalresistance(tooilsinfood)vsSAN/PC1stinmarket(countryspecific)BetterscratchresistancevsSANPremiumfeelvsSANManufacturingPriceversusglassDensityversusPC,glassCycletimes/processing/noannealingvsPCNotoolchangeneeded/onlyminormodificationsValueProposition:(forsmallValueproposition:InfantcareEastmanTritan?copolyestercomparesfavorablywithPCforimpactresistance,shatterresistance,andodor,tasteandstainresistance,whilemeetingthemarket’sgrowingdemandforproductsmadewithoutBPAUnlikepreviouscopolyesters,EastmanTritan?copolyesteroffersahighdegreeoftemperatureresistance,sopartsmoldedfromTritan?canwithstandsterilizationbynumeroustechniquesrecommendedbymanufacturersThesepartsalsocanbefrozenEastmanTritan?copolyestercanprovideadrop-inreplacementformanyPCinjection

moldswithminorornoadjustmentsandoftenwithnocapitalinvestmentUnlikePC,EastmanTritan?copolyesterallowsinfantcareproductstostandupto

repeateddishwashercycleswithoutcrackingorcrazing,soproductsmaintaintheir

waterclarityandlivelycolorsthroughouttheirlonglifetimesEastmanTritan?copolyesterisanew-generationcopolyesterwithabalanceofpropertiesthatmakesitespeciallywell-suitedfortheinfantcaremarketandthatprovidesprocessingadvantagesthatcreatevalueforbrandownersnowmoldingproductsfromPCThankstoEastmanTritan?copolyester,consumerscanenjoydurable

clearinfantcareproductsindramaticdesignsandvibrantcolors—witha

productmanufacturedwithoutBPAValueproposition:InfantcareKeytakeaways:InfantcareEastmanishandlingallbabybottleapplicationsdirectEBM:limitedcustomerset,EastmanalreadyengagedgloballyISBM:anticipating2Q09launchintotheseapplications,handleddirectlyFocusoninjectionmoldingapplicationsPacifiers,sippycups,breastpumps,otherCoordinatewithEastmansellerwhomay

alreadybeinvolvedviabottleapplicationsSellEastmanTritan?copolyesterEX401

only!PremiumapplicationPerdistributorcontract Keytakeaways:InfantcareEastValueProposition:(forinfantcare,eg.BabybottlesEBM,sippycupsIM,pacifiershieldsIM)ProductBPAfreevsPCImpactstrength(lessbreakagevsGlass)Chemicalresistance(tooilsinfood)vsPC1stinmarket(countryspecific)ManufacturingPriceversusglassDensityversusPC,glassnoannealingvsPC(IM)Notoolchangeneeded/onlyminormodificationsValueProposition:(forinfantValuepropositionsummaryValuedeliveredvariesthroughoutthevaluechainThepolymeris,generally,similartoheritagecopolyesters(clear,toughandchemicallyresistant),whileaddingIncreasedtoughnessIncreasedtemperaturestabilityEnhanceddishwasherdurabilityIncreasedchemicalresistanceDrop-inshrinkageLowerdensityAlsowithoutBPATherearemanyaspectstoperformanceofEastmanTritan?copolyesterbeyondthedatasheet!ValuepropositionsummaryValueEnvironmentalandregulatoryFDAapprovalobtainedformultipleuseapplicationsIndustrialandJHOSPA(food)approvalinJapanEuropeanEFSAworkongoing;clearanceexpected1Q09NSF51approvalobtainedULapproved:94HBHaveapprovalsforAU/NZ,

Canada,China,KoreaEnvironmentalandregulatoryFDEastmanTritan?copolyesterproducts

...forsaleviadistributionEastmanTritan?copolyesterTX1001Tgof110°CEastmanTritan?copolyesterTX1501HFTgof110°CandincreasedflowEastmanTritan?copolyesterTX2001Tgof120°CEastmanTritan?copolyesterEX401Tgof120°C(InfantCare)EastmanTritan?copolyesterprTechnicalPresentationEastmanTritan?

copolyester

TechnicalPresentationEastman25EastmanTritan?

Anew-generationcopolyesterEastmanTritan?copolyesterbalancesthepropertiesofeasyprocessing,clarity,toughness,andheatandchemicalresistance–creatingcompellingvalueToughnessHeatresistanceEasyprocessingChemicalresistanceClarity25EastmanTritan?

Anew-gener26EastmanTritan?copolyester

BalancingprocessingandperformancepropertiesCLARITY–balancinglivelyaestheticsandlong-livedperformanceAhighleveloflighttransmittanceAlowlevelofhazeHighglossprovidesvibrantappearanceincoloredortintedproductsTOUGHNESS–balancinghighvisualimpactwithenduringimpactresistanceToughDurableMaintainsfunctionalandaestheticintegrityoverproductlifeGLASSTRANSITIONTEMPERATURE–balancingheatresistanceandeasyprocessingReducedmoldingandsheet-thermoformingcycletimesNoneedforseparateannealingstepPotentialforreducedenergyuseCHEMICALRESISTANCEandHYDROLYTICSTABILITY–tippingthebalanceinyourfavorEastmanTritan?copolyestercanwithstandmanyharshchemicalenvironmentswithoutcrazing,crackingorhazing26EastmanTritan?copolyester

EastmanTritan?copolyesterproductsTheEastmanTritan?copolyesterfamily

ofmaterialsincludesproductshaving

glasstransitiontemperaturesranging

from110to120°C.Productswith110°CTgareavailablein

bothstandardandhighflowgradesEastmanTritan?copolyesterprFeaturesandbenefitsof

EastmanTritan?copolyester28PotentiallyfastermoldingratesthanPCinsomeinjectionmoldingapplicationsEasytomoldinPCoperationsLowresidualstressLowerdensityvsPCMaterialfeaturesandbenefitsProcessingfeaturesandbenefitsVerytough(NBnotchedIzod)HighTg(110°C-120°C)ExcellentclarityChemicallyresistantHydrolyticallystableStainresistantBisphenol-AfreeFeaturesandbenefitsof

EastImpactresistanceEastmanTritan?copolyester

andpolycarbonatewere

"NoBreak"materialswith

impactenergiesexceeding

15ft-lb/in.Eastar?GN071,TABS,COC

andimpactmodifiedacrylic

exhibitedbrittlefailureDesignadvantageNotchedIzodsimilartoPC(NB)andmuchhigherthanotherthermoplasticsToughnesswasmeasuredatroomtemperaturebynotchedIzodtestingaccordingtoASTMD256Eastar?Eastar?ImpactresistanceEastmanTritaFlexuralmodulusValuesforTABSandimpactmodifiedacrylicrepresentaveragesofcurrentlyavailable

rangeofmaterialsLessstiffness,softerfeelandeasytoremoveundercutsduringmoldingFlexuralmoduluswasmeasuredaccordingtoASTMD790Eastar?Eastar?FlexuralmodulusValuesforTABMaterialtoughnessToughnesscanbemeasured

manydifferentwaysDifferentapplicationsmay

correlatebetterwiththe

differenttestsTwomaintestsoftoughness

usedforclear,amorphous

thermoplastics:IzodimpactElongation(strainatbreak)EastmanTritan?copolyester

showsoutstandingtoughness

relativetoPCExtremelytoughmaterialIzodimpact:PC,1/8"notchedIzod:14ftlb/in(PB)Tritan?TX1000,1/8"notchedIzod:nobreakTritan?TX2000:15.9ftlb/in(PB)PC,?"notchedIzod:2.2ftlb/inTritan?TX1000,?"notchedIzod:nobreakTritan?

TX2000,?"notchedIzod:15.2ftlb/in(PB)MaterialtoughnessToughnesscaGlasstransitiontemperature(Tg)RangeofTg'sare

availableusing

modificationsof

thisinnovativetechnologyHigherTg'smeansHighertemperature

resistanceReducedcreepunderloadFastermoldingratesSlowerphysicalagingOptimumheatresistanceforperformanceandprocessingEastar?Eastar?Glasstransitiontemperature(ClarityEastmanTritan?

copolyester,polycarbonate,

COCandDN011exhibit

thebestclarityTABSandimpactmodified

acrylicexhibitlower%

transmittancedueto

multi-phasemicrostructureNewpolymerwithexcellentaestheticsClaritywasmeasuredastransmittanceaccordingtoASTMD1003Eastar?Eastar?ClarityEastmanTritan?

copolyChemicalresistanceChemicalresistancecanbedefinedinseveralways:chemicalattack,solvent-inducedcrystallizationandswelling,andenvironmentalstresscracking(ESC)Mostrelevanttoapplicationsusingclear,toughthermoplasticsisESCESCchemicalresistanceperformanceinanapplicationisacombinationofseveralfactors:Stresses(bothappliedandresidual)Thechemicalenvironment(identityandconcentration)ThepolymerThemajorcontributiontoESCforhousewaresandsmallapplianceapplicationsishydrolyticdegradationChemicalresistanceChemicalreHydrolyticstabilityHot,wetenvironmentssuchasthedishwashercanbreakdowncertainpolymersHydrolyticbreakdowncantakemanyforms;themostcommonisenvironmentalstresscrackingRateofhydrolysisincreaseswithappliedstressOtherhydrolysistestsaredifficulttoperformonEastmanTritan?copolyesterduetothermaldeformation(prolongedboilingwatertests)HydrolyticstabilityHot,weteHydrolyticstability36Polycarbonateiswellknownfor

stresscrackingduetohydrolysis–

example:PCbreaksat1%strain

after2-3dishwashercycleswith

CascadepowderEastmanTritan?copolyester

willnotstresscrackat1%

strainaftermorethan>250

dishwashercyclesHydrolyticstability36PolycarbDishwasherdurabilityManyaspectstoconsiderregardingdishwasherdurability:HeatresistanceChemicalresistanceHydrolysisresistanceScratchresistanceAllofthesechangewhenthetypeofdishwasherisconsidered:CommercialResidentialDishwasherdurabilityManyaspeCracksafter100sanitizercyclesinPCCracksafter100sanitizercycEastmanTritan?copolyesterafter100sanitizercycles:Perfect!Theseblendercarafeshavebeentestedover500cycleswithnocracking.EastmanTritan?copolyesterafCracksafter9dishwashercyclesinPCCracksafter9dishwashercyclNocrazesorcracksinmugsmoldedfromEastmanTritan?copolyester

after100residentialdishwashercycles!Nocrazesorcracksinmugsmo42Dishwasherdurability:validationTestingTestinglocationTemperatureandtimeChemical#ofcyclesTritanperformanceCompetitivematerialperformanceResidentialdishwashersEastman65°Cpeak/2hrcycleLiquidCascade125NovisualeffectResidentialdishwashers:1%appliedstrainEastman69°Cpeak/2hrcyclePowderCascade50NovisualeffectPCfailurein3cyclesLabwaredishwasherCustomer65°Cpeak/1hrcycleDetergent125(Consecutive)NovisualeffectCommercialdishwasherEastman85°Cpeak/1mincycleDetergent400NovisualeffectCommercialdishwasherEastman85°Cpeak/1mincycleDetegentandsanitizer500NovisualeffectPCfailsafter30cyclesAnumberoftestshavebeenperformedtoestablishthedishwasherdurabilityofpartsmadefromEastmanTritan?copolyesterTX1001andTX200142Dishwasherdurability:validBottomlineondishwasherdurabilityEastmanhasNOTbeenabletocrazeorcrackpartsmoldedoutofEastmanTritan?copolyesterinaresidentialorcommercialdishwasherOurcustomershaveNOTbeenabletocrackandcrazepartsmoldedoutofEastmanTritan?copolyesterinaresidentialorcommercialdishwasherBrandownersmaystoptestingforenvironmentalstresscrackingviadishwashingwhenusingEastmanTritan?copolyesterBottomlineondishwasherduraStainingEastmanTritan?copolyesterTX1001andTX2001canstainonextendedexposuretoheatedfoodsCertainfoodsincontactwiththesematerialsforlongperiodsoftime,suchasturmeric(curryandyellowmustard)andtomatosaucecancausediscolorationThenatureofapplicationsforthismaterialsuggestthatprolongedcontactwithhotfoodsdoesnotresultinobservablecolorchangePolycarbonatehasexcellentstainresistance;polypropyleneismuchworse.EastmanTritan?copolyesterisintermediatebetweenthesetwomaterials,butclosertoPCStainingEastmanTritan?copoly45CleaningofstainedsamplesImmersion24hr,roomtemp10%bleachsolution45CleaningofstainedsamplesIMicrowavabilityAnumberoftestshaveindicatedthat,duetotheparticularTg,microwavingisgenerallynotrecommendedMoldedbowlsofsmallcapacitysurvivedextendedmicrowavecycles,tothepointofheavilyburntfoodHowever,temperaturecapabilityissuchthatatcertaintemperaturesandtimes,withcertainfoods,moldedpartswillcreepanddistortShortexposuretoboilingwaterisacceptableandgenerallywillnotcauseanytypeofdistortionLargepans(suchasfoodservicecontainers)filledwithcoldgravycannotbereheatedwithoutsomedistortionduetonon-uniformheatinginthemicrowaveandverylongheatingtimesMicrowavabilityAnumberoftesSoundcharacteristics47ProductsmadeoutofEastmanTritan?copolyesterhaveadifferentiatedsoundwhencontacted,dropped,andusedEastmanTritan?copolyesterhasalowermodulusandalowerresonant

frequencySoundofapartarisesfromresonantfrequency,strongfunctionofdesignResponsesfromcustomershavebeenthatthismaterialis"quieter"andsounds"moresubstantial"or"tougher"thanpolycarbonateDifficulttocharacterizeforaudience,usedemos!Soundcharacteristics47ProductBetterscratchresistanceSmallimprovementinscratchresistanceTritan(Tg108)Tritan(Tg116)??Eastar?GN071BetterscratchresistanceSmallSummaryofphysicalpropertiesGN071DN011TABSCOCAcrylicPCTritan?TX2001Tritan?TX1001Tritan?TX1501HFClarity(%Transmission)919288928488929091GlassTransition(C)8287100120-15090-100148120110110FlexuralModulus(kpsi)300260290427270340230225230Toughness-TensileElongation@Break(%)1803304330110140210210SpecificGravity1.271.231.081.071.181.18EastmanTritan?copolyesterbalancesthepropertiesofclarity,toughness,andheatandchemicalresistance–creatingcompellingvalue.SummaryofphysicalpropertiesFeaturesandbenefits

ofEastmanTritan?copolyester50Verytough(NBnotchedIzod)HighTg(110°C-120°C)ExcellentclarityChemicallyresistantHydrolyticallystableStainresistantBisphenol-AfreePotentiallyfastermoldingratesthanPCinsomeinjectionmoldingapplicationsEasytomoldinPCoperationsLowresidualstressLowerdensityvs.PCMaterialfeaturesandbenefitsProcessingfeaturesandbenefitsFeaturesandbenefits

ofEastmProcessingEastmanTritan?copolyester51InjectionmoldingMelttemperaturerange:270-300°CMoldtemperaturerange:30-70°CInjectionblowmolding/InjectionstretchblowmoldingMelttemperaturerange:270-300°CPreformMoldtemperaturerange:30-70°CPreformtemperature@inflation:120-150°CBlowMoldtemperaturerange:30-50°CExtrusionblowmoldingMelttemperaturerange:230-245°CMelt<225°CexcessivemeltfractureMelt>250°CinsufficientmeltstrengthProcessingEastmanTritan?copInjectionmoldingcycletime52Cycletimeisgovernedbyanumberoffactors:MaterialthermalpropertiesCoolingsufficientforejectionandpartstabilityMolddesignandconstructionCoolinglineplacementandalloysusedformoldconstructionEnd-useenvironmentDetrimentaleffectscausedbyexcessiveresidualstressesGiventhecomplexityoftheseinteractionstherearecaseswhereEastmanTritan?copolyestercancyclefasterthanresinshavinghigherglasstransitiontemperaturesInjectionmoldingcycletime52ResidualstressesCharacterizationofresidualstressesinpartsisverydifficultAllmeasurementtechniqueshavesignificantdrawbacksSolventattackmethodsusestresscrackingtoestimatelevelsofstressComparisonofamoldedbowl(usingrecommendedmoldingconditions)showssignificantdifferencesbetweenEastmanTritan?

copolyesterandpolycarbonatePolycarbonateSurfacestresslevelsrangingfrom6MPaalongthewallto8MPanearthegateEastmanTritan?copolyesterNosurfacestressmeasuredabove~5MpaLowerTgallowsmoldingwithlowerstresslevelsResidualstressesCharacterizatMoldingcycletimesCycletimescanactuallybetoofast:residualstressescontributetoESCPolycarbonatecanhavesubstantialproblemswithresidualstressesThreetypesofresponsestoresidualstressissuebyPCusers:lengthencycletimetoreducestress,employaseparateannealingstep,orusePCblendsandalloysEastmanTritan?copolyestercanloweroverallcyclethroughlowerresidualstresses/betterchemicalresistancePCblendsandalloysareexpensiveandcanbedifficulttoprocessMoldingcycletimesCycletimesMoldingcycletimesCycletimedependsonproximityofmaterialTgtomoldtemperatureLuerconnectormoldingshowscycletimesdecreasingwithincreasingTgSomecustomershaveachievedimprovementsoverPCinjectionmoldingcycletimes??Eastar?DN004MoldingcycletimesCycletimeInjectionmoldingcycletime:

Takehomemessage56HighTgresins,suchasPC,cancycleTOOfastFastcycletimescancausehighlevelsofresidualstresswhichcancausepartfailureEastmanTritan?copolyesterbalancesfastcycletimewithexcellentpartperformancewithouttheneedforsecondaryannealingoperationsInjectionmoldingcycletime:Dryingandinjectionmoldingconditionsfor

EastmanTritan?copolyesterDryingDryat190°Ffor4+hoursDryairatbelow-20°Fdewpointusinganairflow1cfm/lb/hrMoldingResidencetimeoflessthan5-6minutesScrewdesignedforamorphouspolyestersMelttemperature540°F-550°Ftypical(barrelsettingsmaybedifferent)Moldtemperature140°F-150°FtypicalMoldingratesRatescanbeFASTERthanPCMoldedinPCoperationswithminorornomodificationsMoldsfasterandeasierthanmanyotherthermoplastics!DryingandinjectionmoldingcSpecificgravityLowerspecificgravityresultsingreater