ANSI/ASTM D5225-1998 差分粘度计测量共聚物溶剂粘度的方法(08.03)

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【英文标准名称】:TestMethodforMeasuringSolutionViscosityofPolymerswithaDifferentialViscometer(08.03)
【原文标准名称】:差分粘度计测量共聚物溶剂粘度的方法(08.03)
【标准号】:ANSI/ASTMD5225-1998
【标准状态】:现行
【国别】:美国
【发布日期】:1998
【实施或试行日期】:1998-10-13
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:塑料;高聚物;粘度;试验
【英文主题词】:testing;viscosity;polymers;plastics
【摘要】:Thistestmethodcoversthedeterminationofthesolutionviscosityofpolymersusingadifferentialorthemodifieddifferentialviscometer.Itisapplicabletoallpolymersthatdissolvecompletelywithoutchemicalreactionordegradationtoformsolutionsthatarestablewithtimeandtemperature.Resultsofthetestareusuallyexpressedasspecificviscosity,intrinsicviscosity(limitingviscositynumber),inherentviscosity(logarithmicviscositynumber),orrelativeviscosity(viscosityratio).Sincethereismorethanonetypeofviscometeravailabletomeasureadifferentialpressure,followthemanufacturersdirectionsapplicabletotheequipmentbeingused.ThesolutionviscosityvaluesarecomparablewiththoseobtainedusingaglasscapillaryofTestMethodD2857.Thistestmethoddiffersfromtheglasscapillaryinthatthesolventandthesolutionarecomparedatthesametimethatatestisrun.Withaglasscapillary,eachsolutionmustbereferencedbacktothesolventruninthesamecapillaryatthesametemperature.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection8.Note1ThereisnoISOequivalentmethod.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:
【正文语种】:英语