ASTM E2539-2008 干涉颜料多角度颜色测量标准实施规程

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【英文标准名称】:StandardPracticeforMultiangleColorMeasurementofInterferencePigments
【原文标准名称】:干涉颜料多角度颜色测量标准实施规程
【标准号】:ASTME2539-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:E12.12
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:aspecularangle;effectpigments;gonioapparent;goniospectrometer;interferencepigments;special-effectpigments;pearlescentmaterials;multianglespectrometer
【摘要】:Thispracticeisdesignedtoprovidecolordataobtainedfromspectralreflectancefactorsatspecificilluminationanddetectionanglesforinterferencepigments.Informationpresentedinthistestpracticeisbasedupondatatakenonmaterialsexclusivelypigmentedwithinterferencepigments.Thesedatacanbeusedforacceptancetesting,designpurposes,research,manufacturingcontrol,andqualitycontrol.Specimensmustbestatisticallyrepresentativeoftheenduse.Applicabilityofthispracticeforothermaterials,includingcombininginterferencepigmentswithabsorbingandscatteringpigmentsshouldbeconfirmedbytheuser.1.1Thispracticecoverstheinstrumentalrequirementsandrequiredparametersneededtomakeinstrumentalcolormeasurementsofthinfilminterferencepigments.Thispracticeisdesignedtoencompassinterferencepigmentsusedinarchitecturalapplications,automobiles,coatings,cosmetics,inks,packaging,paints,plastics,printing,security,andotherapplications.1.2Characterizationoftheopticalbehaviorofmaterialscoloredwithinterferencepigmentsrequiresmeasurementatmultipleanglesofilluminationanddetection.1.3Datatakenutilizingthispracticearequantitativeandareappropriateforqualitycontrolofinterferencepigmentcolor.1.4Themeasurementresultsareusuallyexpressedasreflectancefactors,tristimuluscolorvalues,orasCIEL*a*b*colorcoordinatesandcolordifference.1.5Thetotalityofdatatakenmaynotbenecessaryforevaluatingmixturesalsocontainingnon-interferencepigments.Thecommitteeisinvestigatingandevaluatingtheappropriatenessofthispracticeforthosematerials.Itistheresponsibilityoftheuserstodeterminetheapplicabilityofthispracticefortheirspecificapplications.1.6Interferencepigmentsaretypicallyevaluatedforcolorandcolorappearanceinamedium,suchaspaintorink.Thegonioapparenteffectdependsstronglyonthephysicalandchemicalpropertiesofthemedium.Someofthepropertiesaffectingcolorandcolorappearanceincludevehicleviscosity,thickness,transparency,andvolumesolids.Asageneralrule,forqualitycontrolpurposes,interferencepigmentsarebestevaluatedinamasstoneproductform.Insomecasesthisproductformmaybethefinalproductform,ormoretypicallyaqualifiedsimulationoftheintendedproductform(suchasapaintdrawdown)thatintermsofcolorandappearancecorrelatestofinalproductapplication.1.7Thisstandarddoesnotaddresstherequirementsforcharacterizingmaterialscontainingmetalflakepigments.MeasurementsoftheopticalcharacteristicsofmaterialscontainingmetalflakepigmentsaredescribedinPracticeE2194.1.8ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.9Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G53
【国际标准分类号】:87_060_10
【页数】:7P.;A4
【正文语种】:英语