【英文标准名称】:StandardTestMethodforDeterminingInherentViscosityofPoly(EthyleneTerephthalate)(PET)byGlassCapillaryViscometer
【原文标准名称】:用玻璃毛细管粘度计测定聚对苯二甲酸乙二酯特性粘度的标准试验方法
【标准号】:ASTMD4603-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:D20.70
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:粘度;试验;聚对苯二甲酸乙酯;塑料;测定
【英文主题词】:glasscapillaryviscometer;inherentviscosity;poly-(ethyleneterephthalate);PET;solutionviscosity
【摘要】:Theinherentviscosityisrelatabletothecompositionandmolecularweightofapolyesterresin.Itmustbecontrolledsothattheprocessabilityandendpropertiesoftheresinremaininadesiredrange.1.1Thistestmethodisforthedeterminationoftheinherentviscosityofpoly(ethyleneterephthalate)(PET)solubleat0.50%concentrationina60/40phenol/1,1,2,2-tetrachloroethanesolutionbymeansofaglasscapillaryviscometer.HighlycrystallineformsofPETthatarenotsolubleinthissolventmixturewillrequireadifferentprocedure.1.2TheinherentviscosityvaluesobtainedbythistestmethodarecomparablewiththoseobtainedusingdifferentialviscometrydescribedinTestMethodD5225.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardsstatementsaregiveninSection8.
【中国标准分类号】:G31
【国际标准分类号】:83_080_20
【页数】:4P.;A4
【正文语种】: