BS ISO 9988-1-2004 塑料.聚甲醛模塑和挤塑材料.命名体系和基本规范
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【英文标准名称】:Plastics-Polyoxymethylene(POM)mouldingandextrusionmaterials-Designationsystemandbasisforspecifications
【原文标准名称】:塑料.聚甲醛模塑和挤塑材料.命名体系和基本规范
【标准号】:BSISO9988-1-2004
【标准状态】:现行
【国别】:英国
【发布日期】:2004-09-27
【实施或试行日期】:2004-09-27
【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】:
【英文主题词】:Classification;Copolymers;Datablocks;Designations;Extruding;Formaldehyde;Homopolymers;Marking;Mouldingmaterials;Mouldings(shapedsection);Plastics;Polyoxymethylene;POM;Thermoplasticpolymers
【摘要】:1ThispartofISO9988establishesasystemofdesignationforpolyoxymethylene(POM)thermoplasticmaterials,whichmaybeusedasthebasisforspecifications.Polyoxymethylenematerialsarethermoplasticmaterialscomposedprincipallyoflong-chainsynthetichomopolymersandcopolymersofformaldehyde.Therepeatingunitinthemolecularchainis-CH2O-asanintegralpartofthemainpolymerchainresultingfrompolymerizationofformaldehyde.2Thetypesofpolyoxymethyleneplasticaredifferentiatedfromeachotherbyaclassificationsystembasedonappropriatelevelsofthefollowingdesignatoryproperties:a)meltmass-flowrateormeltvolume-flowrate,b)tensilemodulus,andoninformationaboutbasicpolymerparameters,intendedapplication,methodofprocessing,importantproperties,additives,colorants,fillersandreinforcingmaterials.3ThispartofISO9988isapplicabletoallpolyoxymethylenehomopolymersandtocopolymersofpolyoxymethyleneandblendsofpolymerscontainingpolyoxymethylene.Itappliestomaterialsreadyfornormaluseintheformofpowder,granulesorpelletsandtomaterialsunmodifiedandmodifiedbycolorants,additives,fillers,etc.4Itisnotintendedtoimplythatmaterialshavingthesamedesignationnecessarilygivethesameperformance.ThispartofISO9988doesnotprovideengineeringdata,performancedataordataonprocessingconditionswhichmayberequiredtospecifymaterialsforparticularend-useapplications.Ifsuchadditionalpropertiesarerequired,theyshallbedeterminedinaccordancewiththetestmethodsspecifiedinpart2ofthisInternationalStandard.5Inordertospecifyathermoplasticmaterialforaparticularapplicationortoensurereproducibleprocessing,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
【原文标准名称】:塑料.聚甲醛模塑和挤塑材料.命名体系和基本规范
【标准号】:BSISO9988-1-2004
【标准状态】:现行
【国别】:英国
【发布日期】:2004-09-27
【实施或试行日期】:2004-09-27
【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】:
【英文主题词】:Classification;Copolymers;Datablocks;Designations;Extruding;Formaldehyde;Homopolymers;Marking;Mouldingmaterials;Mouldings(shapedsection);Plastics;Polyoxymethylene;POM;Thermoplasticpolymers
【摘要】:1ThispartofISO9988establishesasystemofdesignationforpolyoxymethylene(POM)thermoplasticmaterials,whichmaybeusedasthebasisforspecifications.Polyoxymethylenematerialsarethermoplasticmaterialscomposedprincipallyoflong-chainsynthetichomopolymersandcopolymersofformaldehyde.Therepeatingunitinthemolecularchainis-CH2O-asanintegralpartofthemainpolymerchainresultingfrompolymerizationofformaldehyde.2Thetypesofpolyoxymethyleneplasticaredifferentiatedfromeachotherbyaclassificationsystembasedonappropriatelevelsofthefollowingdesignatoryproperties:a)meltmass-flowrateormeltvolume-flowrate,b)tensilemodulus,andoninformationaboutbasicpolymerparameters,intendedapplication,methodofprocessing,importantproperties,additives,colorants,fillersandreinforcingmaterials.3ThispartofISO9988isapplicabletoallpolyoxymethylenehomopolymersandtocopolymersofpolyoxymethyleneandblendsofpolymerscontainingpolyoxymethylene.Itappliestomaterialsreadyfornormaluseintheformofpowder,granulesorpelletsandtomaterialsunmodifiedandmodifiedbycolorants,additives,fillers,etc.4Itisnotintendedtoimplythatmaterialshavingthesamedesignationnecessarilygivethesameperformance.ThispartofISO9988doesnotprovideengineeringdata,performancedataordataonprocessingconditionswhichmayberequiredtospecifymaterialsforparticularend-useapplications.Ifsuchadditionalpropertiesarerequired,theyshallbedeterminedinaccordancewiththetestmethodsspecifiedinpart2ofthisInternationalStandard.5Inordertospecifyathermoplasticmaterialforaparticularapplicationortoensurereproducibleprocessing,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
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