BS EN ISO 1628-3-2003 塑料.用毛细管粘度计测定稀释溶液中聚合物的粘度.聚乙烯和聚丙烯

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【英文标准名称】:Plastics-Determinationoftheviscosityofpolymersindilutesolutionusingcapillaryviscometers-Polyethylenesandpolypropylenes
【原文标准名称】:塑料.用毛细管粘度计测定稀释溶液中聚合物的粘度.聚乙烯和聚丙烯
【标准号】:BSENISO1628-3-2003
【标准状态】:作废
【国别】:英国
【发布日期】:2004-06-09
【实施或试行日期】:2004-06-09
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:测量;粘度计;聚丙烯;毛细管粘度计;粘度测量;高聚物;试验;试验;抽样方法;粘胶纤维;极限(数学);溶剂;聚乙烯;塑料;粘度;测量技术;溶液;测定
【英文主题词】:Capillarytubeviscometer;Determination;Limits(mathematics);Measurement;Measuringtechniques;Plastics;Polyethylene;Polymers;Polypropylene;Samplingmethods;Solutions;Solvents;Testing;Tests;Viscometers;Viscose;Viscosity;Viscositymeasurement
【摘要】:ThispartofISO1628definesparticularconditionsfordeterminingthereducedviscosity(alsoknownasviscositynumber)andintrinsicviscosityofpolyethylenesandpolypropylenesat135℃indilutesolution.Itisapplicabletolow,mediumandhigh-densitypolyethylenesandtoawiderangeofpolypropylenes,includingpureisotactic,stereoblockandatacticpolymers.Theviscosityofpolymersolutionsmaybeaffectedbyadditivespresentinthesample.Thevalueofareducedviscositydeterminedbythismethodmaythereforebeunreliableifthesamplecontainsfillersorotheradditives.NOTEReducedviscosityisalsoknownastheStaudingerfunction(Jv)andintrinsicviscosityastheStaudingerindex(Jg).
【中国标准分类号】:G31
【国际标准分类号】:83_080_20
【页数】:16P.;A4
【正文语种】:英语