【英文标准名称】:Plastics-Ultra-high-molecular-weightpolyethylene(PE-UHMW)mouldingandextrusionmaterials-Designationsystemandbasisforspecifications
【原文标准名称】:塑料.超高分子量聚乙烯模塑和挤塑材料.名称与符号系统和基本规范
【标准号】:BSENISO11542-1-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2001-07-15
【实施或试行日期】:2001-07-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:填充料;热塑性聚合物;模塑材料;冲击强度;名称与符号;聚烯烃;挤压;数据块;塑料;高聚物;聚乙烯;分类系统;加强材料;粘度;模制
【英文主题词】:
【摘要】:1ThispartofISO11542establishesasystemofdesignationforPE-UHMWthermoplasticmaterialswhichmaybeusedasthebasisforspecifications.ForthepurposesofthispartofISO11542,PE-UHMWmaterialsarepolyethylenematerialshavingameltmass-flowrate(MFR),measuredat190℃and21,6kgload,oflessthan0,1g/10min.2ThetypesofPE-UHMWaredifferentiatedfromeachotherbyaclassificationsystembasedonappropriatelevelsofthedesignatorypropertiesa)viscositynumberb)elongationalstressc)Charpynotchedimpactstrengthandoninformationaboutintendedapplicationand/ormethodofprocessing,importantproperties,additives,colorants,fillersandreinforcingmaterials.3ThispartofISO11542isapplicabletoallPE-UHMWhomopolymersandtoultra-high-molecular-weightcopolymersofethylenehavingacontentofother1-olefinicmonomersoflessthan50%bymassandacontentofnon-olefinicmonomerswithfunctionalgroupsuptoamaximumof3%bymass.Itappliestomaterialsreadyfornormaluseintheformofpowder,granulesorpelletsandtomaterialsunmodifiedormodifiedbycolorants,additives,fillers,etc.4Itisnotintendedtoimplythatmaterialshavingthesamedesignationgivenecessarilythesameperformance.ThispartofISO11542doesnotprovideengineeringdata,performancedataordataonprocessingconditionswhichmayberequiredtospecifyamaterialforaparticularapplicationand/ormethodofprocessing.Ifsuchadditionalpropertiesarerequired,theyshallbedeterminedinaccordancewiththetestmethodsspecifiedinpart2ofthisInternationalStandard,ifsuitable.5Inordertospecifyathermoplasticmaterialforaparticularapplicationortoensurereproducibleprocessing,additionalrequirementsmaybegivenindatablock5(see3.1).
【中国标准分类号】:G31
【国际标准分类号】:83_080_20
【页数】:18P;A4
【正文语种】:英语


【英文标准名称】:Petroleumproducts-Determinationofbasenumber-Perchloricacidpotentiometrictitrationmethod
【原文标准名称】:石油产品.碱值测定法.高氯酸电位滴定法
【标准号】:ISO3771-2011
【标准状态】:现行
【国别】:国际
【发布日期】:2011-09
【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/TC28
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Analysis;Basenumber;Carbazides;Chemicalanalysisandtesting;Chemicals;Definitions;Determination;Determinationofcontent;Mineraloils;Oils;Perchloricacid;Petroleumproducts;Phenylcompounds;Potentiometric;Potentiometricmethods;Testequipment;Testing;Titration;Volumetricanalysis
【摘要】:
【中国标准分类号】:E30
【国际标准分类号】:75_080
【页数】:8P;A4
【正文语种】:英语