【英文标准名称】:StandardClassificationSystemforHighlyCrosslinkedThermoplasticVulcanizates(HCTPVs)BasedonASTMStandardTestMethods
【原文标准名称】:基于ASTM标准试验方法的高交联热塑性硫化产品(HCTPVs)的标准分类体系
【标准号】:ASTMD6338-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:
【英文主题词】:dynamicvulcanization;highlycrosslinkedthermoplasticvulcanizate;linecallout;thermoplasticelastomer;thermoplasticvulcanizate;Classification(standards)--plastics;Crosslinking;HCTPVs(highlycrosslinkedthermoplasticvulcanizates);Linecall-ou
【摘要】:1.1Thisclassificationsystemcovershighlycrosslinkedthermoplasticvulcanizates(HCTPVs)forextrusion,moldingandotherfabricationmethods.HCTPVsarethermoplasticelastomers(TPEs)consistingoftwoormorepolymersystemsatleastoneofwhichisrubberyandhighly(>95%)crosslinkedandatleastoneofwhichisthermoplastic,witheachsystemhavingitsownphase.Thethermoplasticphasewilltendtobecontinuousandtherubberyphasediscontinuous.Thehighlevelofcrosslinkingandultrafineparticlesize(ca1x03BC;mdiameter)oftherubberyphasegiverisetopropertiesmorecloselyapproachingthoseofconventionalthermosetrubber,whencomparedtothesamethermoplastic/rubberypolymercompositionwithalowerlevel(x2264;95%)ofcrosslinking.TheHCTPVpolymercompositionsmaycontainfillers,reinforcingagents,plasticizers,resins,antidegradants,colorantsandotherbeneficialconstituents.RecycledHCTPVsarenotcoveredinthisclassificationsystem.1.2Includedinthisclassificationsystemarethepropertiesnecessarytoidentifytherespectivecompositions.Forspecializedapplications,otherrequirementsmaybeneededtoidentifyspecificcharacteristics.1.3Asgivenin,valuesinSIunitsaretoberegardedasstandard.Note18212;ThereisnoknownISOequivalenttothisstandard.1.4ThisstandardisbasedontestingcompletedinaccordancewithASTMstandardtestmethods.1.5Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodsportion,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】:英语