DIN EN ISO 14896-2009 塑料.聚氨酯原材料.异氰酸酯的测定(ISO14896:2009),DINENISO14896:2009-07英文版本

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【英文标准名称】:Plastics-Polyurethanerawmaterials-Determinationofisocyanatecontent(ISO14896:2009);EnglishversionofDINENISO14896:2009-07
【原文标准名称】:塑料.聚氨酯原材料.异氰酸酯的测定(ISO14896:2009),DINENISO14896:2009-07英文版本
【标准号】:DINENISO14896-2009
【标准状态】:现行
【国别】:德国
【发布日期】:2009-07
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:基底材料;;化学分析和试验;化学分析和测试;浓缩;定义;耐久性;含量测定;异氰酸酯;数学计算;测量;测量技术;分析方法;塑料;聚氨酯;原材料;试剂;试验报告
【英文主题词】:Basematerials;Basicmaterials;Chemicalanalysisandtesting;Concentration;Definitions;Determinationofcontent;Isocyanates;Mathematicalcalculations;Measurement;Measuringtechniques;Methodsofanalysis;Plastics;Polyurethane;Rawmaterials;Reagents;Testreport
【摘要】:ThisInternationalStandardspecifiestwomethodsforthemeasurementoftheisocyanatecontentofaromaticisocyanatesusedaspolyurethanerawmaterials.MethodAisprimarilyapplicabletorefinedtoluenediisocyanate(TDI),methylene-bis-(4-phenylisocyanate)(MDI)andtheirprepolymers.MethodBisapplicabletorefined,crudeormodifiedisocyanatesderivedfromtoluenediisocyanate,methylene-bis-(4-phenylisocyanate)andpolymethylenepolyphenylisocyanate.Itcanalsobeusedforisomermixturesoftoluenediisocyanate,methylene-bis-(4-phenylisocyanate)andpolymethylenepolyphenylisocyanate.Otheraromaticisocyanatesmaybeanalysedbythismethodifprecautionsaretakentoverifysuitability.Itisnotapplicabletoblockedisocyanates.
【中国标准分类号】:G31
【国际标准分类号】:83_080_20
【页数】:16P.;A4
【正文语种】:英语