伊士曼Tritan材料介绍课件

伊士曼Tritan材料介绍伊士曼Tritan材料介绍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,¼"notchedIzod:2.2ftlb/inTritan™TX1000,¼"notchedIzod:nobreakTritan™

TX2000,¼"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