【英文标准名称】:StandardClassificationSystemforHighlyCrosslinkedThermoplasticVulcanizate(HCTPVs)
【原文标准名称】:高交联热塑性硫化产品(HCTPVs)的标准分类系统
【标准号】:ASTMD6338-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:(Classification)
【标准水平】:()
【中文主题词】:热塑性聚合物;高聚物;挤压成型;分类系统
【英文主题词】:dynamicvulcanization;highlycrosslinkedthermoplasticvulcanizate;linecallout;thermoplasticelastomer;thermoplasticvulcanizate
【摘要】:1.1Thisclassificationsystemcovershighlycrosslinkedthermoplasticvulcanizates(HCTPVs)forextrusion,moldingandotherfabricationmethods.HCTPVsarethermoplasticelastomers(TPEs)consistingoftwoormorepolymersystemsatleastoneofwhichisrubberyandhighly(>95%)crosslinkedandatleastoneofwhichisthermoplastic,witheachsystemhavingitsownphase.Thethermoplasticphasewilltendtobecontinuousandtherubberyphasediscontinuous.Thehighlevelofcrosslinkingandultrafineparticlesize(ca1956;mdiameter)oftherubberyphasegiverisetopropertiesmorecloselyapproachingthoseofconventionalthermosetrubber,whencomparedtothesamethermoplastic/rubberypolymercompositionwithalowerlevel(8804;95%)ofcrosslinking.TheHCTPVpolymercompositionsmaycontainfillers,reinforcingagents,plasticizers,resins,antidegradants,colorantsandotherbeneficialconstituents.RecycledHCTPVsarenotcoveredinthisclassificationsystem.1.2Includedinthisclassificationsystemarethepropertiesnecessarytoidentifytherespectivecompositions.Forspecializedapplications,otherrequirementsmaybeneededtoidentifyspecificcharacteristics.1.3AsgiveninIEEE/ASTMSI-10,valuesinSIunitsaretoberegardedasstandard.Note18212;ThereisnoequivalentISOstandard.1.4Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodsportion,Section12,ofthisclassificationsystem.Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G31
【国际标准分类号】:83_080_20
【页数】:6P.;A4
【正文语种】: