作者:标准资料网 时间:2024-05-02 08:08:04   浏览:8459   来源:标准资料网

【英文标准名称】:ClassificationSystemforHighlyCrosslinkedThermoplasticVulcanizates(HCTPVs)
【原文标准名称】:高位交叉连接热塑性硫化橡胶(HCTPVs)分类制度
【标准号】:ANSI/ASTMD6338-1998
【标准状态】:现行
【国别】:美国
【发布日期】:1998
【实施或试行日期】:1999-02-10
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:高聚物;热塑性聚合物
【英文主题词】:polymers;thermoplasticpolymers
【摘要】:Thisclassificationsystemcovershighlycrosslinkedthermoplasticvulcanizates(HCTPVs)forextrusion,moldingandotherfabricationmethods.HCTPVsarethermoplasticelastomers(TPEs)consistingoftwoormorepolymersystemsatleastoneofwhichisrubberyandhighly(95%)crosslinkedandatleastoneofwhichisthermoplastic,witheachsystemhavingitsownphase.Thethermoplasticphasewilltendtobecontinuousandtherubberyphasediscontinuous.Thehighlevelofcrosslinkingandultrafineparticlesize(ca1?mdiameter)oftherubberyphasegiverisetopropertiesmorecloselyapproachingthoseofconventionalthermosetrubber,whencomparedtothesamethermoplastic/rubberypolymercompositionwithalowerlevel(95%)ofcrosslinking.TheHCTPVpolymercompositionsmaycontainfillers,reinforcingagents,plasticizers,resins,antidegradants,colorantsandotherbeneficialconstituents.RecycledHCTPVsarenotcoveredinthisclassificationsystem.Includedinthisclassificationsystemarethepropertiesnecessarytoidentifytherespectivecompositions.Forspecializedapplications,otherrequirementsmaybeneededtoidentifyspecificcharacteristics.AsgiveninIEEE/ASTMSI-10,valuesinSIunitsaretoberegardedasstandard.Note1-ThereisnoequivalentISOstandard.Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodsportion,Section12,ofthisclassificationsystem.Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G34
【国际标准分类号】:83_080_20
【页数】:
【正文语种】:英语