作者:标准资料网 时间:2024-05-13 06:06:46   浏览:8332   来源:标准资料网

【英文标准名称】:StandardTestMethodforCarbonBlackx2014;VoidVolume(VV)
【原文标准名称】:炭黑压缩容积指数的标准试验方法
【标准号】:ASTMD6086-2009a
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D24.11
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:apparentcompressedvolume;measuredvoidvolume;skeletaldensity;structure;theoreticalvolume;truevoidvolume;Carbonblack;Compressedvolumeindex;Voidvolume
【摘要】:Thevoidvolumeofacarbonblackexpressedasafunctionofappliedpressure,VV,isacarbonblackstructureproperty.Structureisagenerictermthatisafunctionoftheshapeirregularityanddeviationfromsphericityofcarbonblackaggregates.Thegreateracarbonblackresistscompressionbyhavingsubstantialaggregateirregularityandnon-sphericity,thegreaterthecompressedvolumeandvoidvolume.Also,themorethatacarbonblackresistscompression,thegreatertheenergyrequiredtocompressthesampleperunitvoidvolume.Structure,traditionallymeasuredbyOAN(TestMethodD2414)andCOAN(TestMethodD3493),isapropertythatstronglyinfluencesthephysicalpropertiesdevelopedincarbonblack-elastomercompoundsforuseintires,mechanicalrubbergoods,andothermanufacturedrubberproducts.SeveralstudieswithinD24havedemonstratedthatvoidvolumedatacanbeusedtoestimateOANandCOANnumbersofcarbonblacksusingmathematicalmodelsderivedfromvoidvolume-pressuredataandoilabsorptiondata.Themodelsmayvarydependingonwhetherdynamicorstaticvoidvolumemeasurementsareusedandthenumberandtypesofcarbonblacksincludedwithinamodelingdataset.Ifnecessary,OANandCOANestimatesfromvoidvolumemodelscanalsobenormalizedusingcurrentSRBs(aspracticedinGuideD4821).AnyestimatesofOANorCOANderivedfrompredictionmodelsusingvoidvolume-pressuredatashouldbelabeledappropriately(thatis,TestMethodD6086)toavoidconfusionwithOANorCOANdataobtaineddirectlyfromoilabsorptionmethods.1.1ThistestmethodcoversaproceduretomeasureacarbonblackstructurepropertyknownasVoidVolume.Compressedvoidvolumesareobtainedbymeasuringthecompressedvolumeofaweighedsampleasafunctionofappliedpressureinacylindricalchamberbyamovablepistonwithadisplacementtransduceronthepistonmechanism.Aprofileofvoidvolumeasafunctionofappliedpressureprovidesameanstoassesscarbonblackstructureatvaryinglevelsofdensityandaggregatereduction.1.2Voidvolumeisanimportantcarbonblackstructurepropertythatrelatestothecompoundedphysicalpropertiesforcarbonblack-filledelastomersincludingviscosity,modulus,anddieswell.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G49
【国际标准分类号】:71_060_10
【页数】:5P.;A4
【正文语种】:英语