【英文标准名称】:StandardPracticeforFusionofPoly(VinylChloride)(PVC)CompoundsUsingaTorqueRheometer
【原文标准名称】:用转矩流变仪进行聚氯乙烯(PVC)化合物的熔化的标准实施规程
【标准号】:ASTMD2538-2002
【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(US-ASTM)
【起草单位】:D20.15
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:塑料;聚氯乙烯
【英文主题词】:colorstability;fusionofPVCcompound;heatstability;PVCcompounds;rheometry
【摘要】:WhenPVCcompoundsaremixedunderappropriateconditionsofheatandshear,afusedmassisproduced.Thismasshascertainmeltcharacteristicswhichcanbedefinedwithatorquerheometeroperatedunderfixedconditionsofshearandtemperature.ThefusioncharacteristicsofaPVCcompoundaremanifestasfusiontime,fusiontorque,melttorque,meltviscosity,andheatandcolorstability.Acontrollotistobeusedasastandardagainstwhichothertestresultsaretobecompared.Testdataaretobeevaluatedrelativetothecontrollot.1.1Thispracticecoverstherelativefusioncharacteristicsofpoly(vinylchloride)compounds.1.2Thetestproceduresappearinthefollowingorder:SectionFusionTest9ThermalStabilityTest10Color-HoldStabilityTest11ShearStabilityTest12