ASTM D5099-2008 使用毛细管流变仪对橡胶加工性能的标准试验方法

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【英文标准名称】:StandardTestMethodsforRubberx2014;MeasurementofProcessingPropertiesUsingCapillaryRheometry
【原文标准名称】:使用毛细管流变仪对橡胶加工性能的标准试验方法
【标准号】:ASTMD5099-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D11.12
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:capillaryrheometer;flowproperties;piston;processingproperties;screwextrusion;shearrate;shearstress;viscosity;Capillaryrheometermethod;Flowandflowrate--rubber;Pistoncapillaryrheometer;Processcontrol;Rawrubber;Rheology/rheologica
【摘要】:Thesetestmethodsareusefulforcharacterizationofraw,orcompounded,unvulcanizedrubberintermsofviscosity,orresistancetoflow.Thedataproducedbythesetestmethodshavebeenfoundusefulforbothqualitycontroltestsandcompounddevelopment.However,directcorrelationwithfactoryconditionsisnotimplied.Flowperformancedatapermitsqualitycontrolofincomingrawrubbersbecausetheflowparametersaresensitivetomolecularweightandtomolecularweightdistribution.Therefore,thesetestmethodsmaydistinguishdifferencesbetweenlots.Theshearviscosityorflowviscosityofcompoundedrubberbatchesintheraw(unvulcanized)statewillnotonlybesensitivetotherawpolymermolecularproperties,butwillalsobeaffectedbytypeandamountoffiller,plasticizerorsoftenerlevels,amountandtypeofcopolymerblend,andothercompoundingmaterials.Thesetestmethodscanserveasaqualitycontroltoolforeitherincomingcustommixedcompoundsorforin-housequalityassurancechecksonproductionmixing.Thesetestmethodsareusefulforresearchanddevelopmentofnewproductsbymeasuringtherheologicaleffectonarubbercompoundofnewpolymers,resins,softeners,etc.1.1Thesetestmethodsdescribehowcapillaryrheometrymaybeusedtomeasuretherheologicalcharacteristicsofrubber(raworcompounded).Twomethodsareaddressed:MethodAx2014;usingapistontypecapillaryrheometer,andMethodBx2014;usingascrewextrusiontypecapillaryrheometer.Thetwomethodshaveimportantdifferences,asoutlinedin7-10and11-14,respectively.1.2Thesetestmethodscovertheuseofacapillaryrheometerforthemeasurementoftheflowpropertiesofthermoplasticelastomers,unvulcanizedrubber,andrubbercompounds.Thesematerialpropertiesarerelatedtofactoryprocessing.1.3Sincepistontypecapillaryrheometersimpartonlyasmallamountofshearingenergytothesample,thesemeasurementsdirectlyrelatetothestateofthecompoundatthetimeofsampling.Pistontypecapillaryrheometermeasurementswillusuallydifferfrommeasurementswithascrewextrusiontyperheometer,whichimpartsshearingenergyjustbeforetherheologicalmeasurement.1.4CapillaryrheometermeasurementsforplasticsaredescribedinTestMethodD3835.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G34
【国际标准分类号】:83_060
【页数】:8P.;A4
【正文语种】:英语