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【英文标准名称】:StandardTestMethodforCarbonBlack-MorphologicalCharacterizationofCarbonBlackUsingElectronMicroscopy
【原文标准名称】:用电子显微镜对碳黑形态特性的标准试验方法
【标准号】:ASTMD3849-2007
【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】:D24.81
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:集料;分析;炭黑;尺寸;天然橡胶;橡胶;合成橡胶;测试
【英文主题词】:aggregatesize;automatedimageanalysis;carbonblack;electronmicroscopy;particlesize
【摘要】:Carbonblackmorphologysignificantlyaffectsthetransientandend-usepropertiesofcarbonblackloadedpolymersystems.Acarbonblackrsquo;particlesizedistributionisitssinglemostimportantproperty,anditrelatestodegreeofblacknessandrubberreinforcement.Foragivenloadingofcarbonblack,blacknessandreinforcementincreasewithsmallerparticlesize.Aggregatesizeandshape(structure)alsoaffectacarbonblackrsquo;end-useperformance,ashighercarbonblackstructureincreasesviscosityandimprovesdispersion.Thestiffness(modulus)ofelastomersystemsbecomessignificantlyhigherwithincreasingstructure.Thepreferredmethodformeasuringthesepropertiesistransmissionelectronmicroscopy.Carbonblackaggregatedimensionalandshapepropertiesaredependentuponthenatureofthesysteminwhichthesampleisdispersed,aswellasthemixingprocedure.1.1Thistestmethodcoversthemorphologicalcharacterizationofcarbonblackprimaryaggregatesfromtransmissionelectronmicroscopeimages.Thesemeasurementsareusedtoderivethemeanparticleandaggregatesizeofcarbonblackinthedry(asmanufactured)state,fromCABchipdispersionorremovedfromarubbercompound.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesinparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G49
【国际标准分类号】:83_040_20
【页数】:7P.;A4
【正文语种】: