【英文标准名称】:Plastics—Aromaticisocyanatesforuseintheproductionofpolyurethanes—Determinationoftheisomerratiointoluenediisocyanate
【原文标准名称】:塑料.聚氨酯生产中使用的芳族异氰酸酯.甲苯二异氰酸酯中同分异构体比率的测定
【标准号】:ISO15064-2010
【标准状态】:现行
【国别】:国际
【发布日期】:2010-12-01
【实施或试行日期】:2010-12-01
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC61
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Aromaticcompounds;Definitions;Determination;Isocyanates;Isomer;Plastics;Polyurethane;Testing;Toluylenediisocyanate
【摘要】:WARNING—PersonsusingthisInternationalStandardshouldbefamiliarwithnormallaboratorypractice.Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesandtoensurecompliancewithanynationalregulatoryconditionspriortouse.ThisInternationalStandardspecifiesmethodsforthemeasurementoftoluene-2,6-diisocyanateinmixturesofthe2,4-and2,6-isomers.Twomethodsbasedoninfraredspectroscopyarerequiredtogiveaccurateresultsoverabroadrangeofisomerconcentrations.MethodAisapplicabletoTDIsamplescontaining5%to95%ofthe2,6-isomer.MethodBisapplicabletoTDIsamplescontaining0%to5%ofthe2,6-isomer.Bothmethodsarebasedonthequantitativemeasurementofabsorptionbandsarisingfromout-of-planeC?Hdeformationvibrationsofthearomaticringat810cm?1and782cm?1(12,3μmand13,8μm).
【中国标准分类号】:
【国际标准分类号】:83_080_10
【页数】:16P.;A4
【正文语种】:英语