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【英文标准名称】:StandardPracticeforDeterminationofContaminationinRecycledPoly(EthyleneTerephthalate)(PET)FlakesandChipsUsingaPlaqueTest
【原文标准名称】:用蚀斑试验测定再循环聚对苯二甲酸乙酯薄膜和晶片中杂质的标准试验实施规范
【标准号】:ASTMD5814-2002
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:D20.70
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:试验;辅助包装手段;再循环;聚对苯二甲酸乙酯;污染
【英文主题词】:contamination;plaquetest;poly(ethyleneterephthalate);recycledplastic
【摘要】:Presenceofpaper,metal,orincompatiblepolymercontaminationinpoly(ethyleneterephthalate)renderstherecycledpolymerunfitforuseinsecondaryproductmanufacturingoperations.ThisprocedureisusefulforidentifyingdifferenttypesofcontaminationinrecycledPETflakes.1.1Thispracticecoversanindicationofthequalityofrecycledtransparentpoly(ethyleneterephthalate)byexaminationofawaferorplaqueformedbymeltingarepresentativesampleandquenchingittopreventcrystallization.1.2Specificcontaminantsandimpuritiessuchasaluminumparticles,dirtparticles,paper,andfibersareidentifiedinthetransparentwafer.1.3Theoverallcoloroftheplaqueisindicativeofoxidizablecontaminantssuchasethylene-vinylacetate(EVA)glueresidueandthenumberofbubblespresentintheplaquegivesanindicationofthemoisturecontentofthesample.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninSection8.Note18212;ThereisnoequivalentISOstandard.
【中国标准分类号】:Z50
【国际标准分类号】:55_040
【页数】:2P.;A4
【正文语种】: