ASTM D3835-2002 用毛细管流变仪测定聚酯材料性能的标准试验方法

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【英文标准名称】:StandardTestMethodforDeterminationofPropertiesofPolymericMaterialsbyMeansofaCapillaryRheometer
【原文标准名称】:用毛细管流变仪测定聚酯材料性能的标准试验方法
【标准号】:ASTMD3835-2002
【标准状态】:现行
【国别】:
【发布日期】:2002
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:D20.30
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:流变性能;塑料;试验;热塑性聚合物;特性;试验设备
【英文主题词】:capillary;plastics;polymers;rheology;thermalflow;viscosity;
【摘要】:Thistestmethodissensitivetopolymermolecularweightandmolecularweightdistribution,polymerstabilityx2014;boththermalandrheological,shearinstability,andadditivessuchasplasticizers,lubricants,moisturereinforcements,orinertfillers,orcombinationthereof.Thesensitivityofthistestmethodmakesthedatausefulforcorrelatingwithprocessingconditionsandaidsinpredictingnecessarychangesinprocessingconditions.UnlikeTestMethodD1238,whichmakesaone-pointmeasureatashearratetypicallybelowprocessingconditions,thistestmethoddeterminestheshearsensitivityandflowcharacteristicsatprocessingshearrates,andthereforecanbeusedtocomparematerialsofdifferentcompositions.1.1Thistestmethodcoversmeasurementoftherheologicalpropertiesofpolymericmaterialsatvarioustemperaturesandshearratescommontoprocessingequipment.Itcoversmeasurementofmeltviscosity,sensitivity,orstabilityofmeltviscositywithrespecttotemperatureandpolymerdwelltimeintherheometer,dieswellratio(polymermemory),andshearsensitivitywhenextrudingunderconstantrateorstress.Thetechniquesdescribedpermitthecharacterizationofmaterialsthatexhibitbothstableandunstablemeltviscosityproperties.1.2Thistestmethodhasbeenfoundusefulforqualitycontroltestsonbothreinforcedandunreinforcedthermoplastics,curecyclesofthermosettingmaterials,andotherpolymericmaterialshavingawiderangeofmeltviscosities.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Theinch-poundunitsgiveninparenthesesareforinformationonly.Note18212;AlthoughthistestmethodandISO11443-1995,"Plastic8212;DeterminationoftheFluidityofPlasticsUsingCapillaryandSlit-DieRheometers"differinapproachordetail,thedataobtainedusingISO11443,MethodAistechnicallyequivalenttothistestmethod1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G31
【国际标准分类号】:83_080_20
【页数】:12P.;A4
【正文语种】: