【英文标准名称】:
【原文标准名称】:NFC48-265-88的说明书
【标准号】:NFC48-265I-1990
【标准状态】:作废
【国别】:法国
【发布日期】:1990-09
【实施或试行日期】:
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:A91
【国际标准分类号】:
【页数】:1P;A4
【正文语种】:其他


【英文标准名称】:StandardClassificationSystemforCopolymersofVinylideneFluoride(VDF)withOtherFluorinatedMonomers
【原文标准名称】:其他氟化单体和偏二氟乙烯(VDF)的共聚物用标准分类系统
【标准号】:ASTMD5575-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D20.15
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:分类系统;共聚物;塑料
【英文主题词】:fluoropolymers;linecallout;plastics;poly(vinylidenefluoride)copolymers
【摘要】:1.1Thisclassificationsystemcoversbothdevelopingpropertydesignationsandspecificationsforthermoplasticcompositionsconsistingofvinylidenefluoride(VDF)polymersmodifiedwithotherfluoromonomersandproperty-enhancingadditives.Theotherfluoromonomersincludeoneormoreofthefollowing:hexafluoropropylene(HFP),tetrafluoroethylene(TFE),andchlorotrifluoroethylene(CTFE).Theadditivesarethosethatimproveitsflameresistance,processing,orphysicalproperties.However,theseadditivesarenotnormallyconsideredtobereinforcing.Thisclassificationsystemcoversthermoplasticcompositionssuppliedinpelletorpowderforms.1.2Adesignationorspecificationappliesonlytothevirginpolymerspreparedfromvinylidenefluoride(>50weight%)withoneormoreofthefollowingcomonomers:hexafluoropropylene,tetrafluoroethylene,andchlorotrifluoroethylene.Somepolymerscontainadditivestoenhancecertainproperties.1.3ThissystemconstitutesalinecalloutasameansofdesignatingandspecifyingpropertiesofVDF-basedcopolymers.Atleastfourofthedesignatedpropertiesareusedtodefineapolymer''sspecification.Specificationcriteriafrominternationaldocumentscanbeusediftheircriteriamatchdesignationpropertiescurrentlyusedbythisclassificationsystem.Thisclassificationsystemisnotintendedfortheselectionofmaterials.1.4Themanufacturerofthevirginresinshallestablishthedesignationofaresinbasedonthepropertyvaluecriteriainthisclassificationsystem.1.5Theminimumspecificationpropertiesareestablishedbythisclassificationsystem.Additionalspecificationproperties,basedonthedesignationpropertiescited,canbeestablishedbytheresinsupplierandcustomer.1.6ThevaluesstatedinSIunitsaretoberegardedasstandard.1.7ThepropertytestsareintendedtoprovideinformationforspecificationsofmodifiedVDF-copolymercompositions.Itisnotthepurposeofthisclassificationsystemtoprovideengineeringdatafordesignpurposes.Note1AlthoughthevalueslistedinTable1,Table2,Table3,Table4,Table5arenecessarytoincludetherangeofpropertiesavailableinexistingmaterials,theyarenottobeinterpretedasimplyingthateverypossiblecombinationofthepropertiesexistsorcanbeobtained.Itispossibleforauserordesigner,using,tocalloutpropertyrelationshipsthatarephysicallyimpossibletooccurinacopolymermadeusingcurrenttechnology.Note2Manyofthesepolymersexhibitpolymorphism.Thetypeandextentofcrystallinestructurewillvarywiththethermomechanicalhistoryofthesample.Propertiesvarybasedonthetechniqueusedtopreparethespecimens.1.8Testmethodsusedinthisclassificationsystemcanresultintheincidentalproductionofhazardousmaterials.ModifiedVDFpolymerfluoroplasticsmeltbetween90and182176;C(194and359176;F)andarethermallystableuptoabout350%176;C(662176;F),orsomewhathigher,dependingonthecomposition.(Evolutionofcorrosive,colorless,andtoxichydrogenfluoridecanoccurundercertainconditions.)Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SeeWarninginandSectionforspecifichazardsstatements.Note3Many,butnotallofthecodesandspecificationsfoundinthisclassificationsystemarealsoinISO12086-1andISO12086-2.
【中国标准分类号】:G32
【国际标准分类号】:
【页数】:12P.;A4
【正文语种】: