BS ISO 15023-1-2002 塑料制品.聚乙烯醇材料.规范的标识系统和基础

作者:标准资料网 时间:2024-05-25 02:54:50  浏览:9891   来源:标准资料网

【英文标准名称】:Plastics-Poly(vinylalcohol)(PVAL)materials-Designationsystemandbasisforspecifications
【原文标准名称】:塑料制品.聚乙烯醇材料.规范的标识系统和基础
【标准号】:BSISO15023-1-2002
【标准状态】:作废
【国别】:英国
【发布日期】:2002-01-14
【实施或试行日期】:2002-01-14
【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】:乙烯基树脂;技术文献;数字标志;聚乙烯醇;塑料和橡胶技术;分类系统;塑料;高聚物
【英文主题词】:Characteristics;Datablocks;Designationsystems;Designations;Encoding;Identification;Mouldingmaterials;Mouldings(shapedsection);Plastics;Polyvinylalcohol;Specification(approval);Thermoplasticpolymers
【摘要】:ThispartofISO15023establishesasystemofdesignationforpoly(vinylalcohol)(PVAL)materialswhichmaybeusedasthebasisforspecifications.Thetypesofpoly(vinylalcohol)(PVAL)materialsaredifferentiatedfromeachotherbyaclassificationsystembasedonthedesignatoryproperties:a)degreeofhydrolysisb)viscosityofaqueoussolutionunderdefinedconditionsandoninformationaboutbasicpolymerparameters,intendedapplicationand/ormethodofprocessing,importantproperties,additives,colorants,fillersandreinforcingmaterials.ThispartofISO15023isapplicabletopoly(vinylalcohol)(PVAL)materialswithadegreeofhydrolysisnotlessthan70mol%.Itappliestomaterialsreadyfornormaluseintheformofpowder,granulesorpellets,andtomaterialsunmodifiedormodifiedbycolorants,additives,fillers,etc.Itisnotintendedtoimplythatmaterialshavingthesamedesignationgivenecessarilythesameperformance.ThispartofISO15023doesnotprovideengineeringdata,performancedataordataonprocessingconditionswhichmayberequiredtospecifyamaterialforaparticularapplicationand/ormethodofprocessing.Ifsuchadditionalpropertiesarerequired,theyshallbedeterminedinaccordancewiththetestmethodsdescribedinISO15023-2,asappropriate.Inordertospecifyamaterialforaparticularapplicationortoensurereproducibleprocessing,additionalrequirementsmaybegivenindatablock5(see3.1).
【中国标准分类号】:G31
【国际标准分类号】:83_080_20
【页数】:14P.;A4
【正文语种】:英语