【英文标准名称】:Plastics-Polyurethanerawmaterials-Determinationofisocyanatecontent
【原文标准名称】:塑料.聚氨酯原材料.异氰酸酯的测定
【标准号】:ISO14896-2006
【标准状态】:作废
【国别】:国际
【发布日期】:2006-06
【实施或试行日期】:
【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】:基底材料;基本材料;化学分析和试验;浓缩;定义;含量测定;结果表示;异氰酸酯;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;Definition;Definitions;Determinationofcontent;Expressionofresult;Isocyanates;Methodsofanalysis;Plastics;Polyurethane;Rawmaterials;Reagents;Testreport
【摘要】:ThislnternationalStandardspecifiestwomethodsforthemeasurementoftheisocyanatecontentofaromaticisoocyanatesusedaspolyurethanerawmaterials.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_10
【页数】:9P;A4
【正文语种】:英语