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【英文标准名称】:Plastics-Determinationoftheviscosityofpolymersindilutesolutionusingcapillaryviscometers-Part3:Polyethylenesandpolypropylenes
【原文标准名称】:塑料粘数和极限粘数的测定第3部分:聚乙烯和聚丙烯
【标准号】:ISO1628-3-2001
【标准状态】:作废
【国别】:国际
【发布日期】:2001-06
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC61
【标准类型】:()
【标准水平】:()
【中文主题词】:高聚物;粘度计;粘度测量;塑料;粘度;试验;抽样方法;溶液;测量技术;测量;测定;聚丙烯;聚乙烯;溶剂;极限(数学)
【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】:6P;A4
【正文语种】:英语