【英文标准名称】:Plastics-Polyolsforuseintheproductionofpolyurethane-Determinationofhydroxylnumber
【原文标准名称】:塑料聚氨酯生产用多元醇羟基数的测定
【标准号】:ISO14900-2001
【标准状态】:现行
【国别】:国际
【发布日期】:2001-02
【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】:测定;卡尔费希尔;定义;羟基;定义;塑料;酸度;羟基值;生产;滴定法;;原材料;试验;试验;卡·弗歇尔试剂;聚氨酯;含量测定
【英文主题词】:Acidity;Definitions;Determination;Determinationofcontent;Hydroxyl;Hydroxylvalue;KarlFischer;KarlFischerreagent;Plastics;Polyols;Polyurethane;Production;Rawmaterial;Testing;Tests;Titration
【摘要】:ThisInternationalStandardspecifiestwomethodsforthemeasurementofthehydroxylnumberofpolyolsusedaspolyurethanerawmaterials.Itisnecessarytoknowthehydroxylcontentofpolyolstoproperlyformulatepolyurethanesystems.MethodAisprimarilyapplicabletoreadilyesterifiedpolyetherpolyols.Itisalsorecommendedforpolyolswhichhavesignificantsterichindrance,suchasthosebasedonsugars.MethodBisrecommendedforpolyetherpolyols,polymerpolyolsandamine-initiatedpolyols,butmaygivelowresultsforstericallyhinderedpolyols.Otherpolyolsmaybeanalysedbythesemethodsifprecautionsaretakentoverifyapplicability.Thesemethodscanbeusedforresearchandforqualitycontrolandspecificationpurposes.
【中国标准分类号】:G31
【国际标准分类号】:83_080_20
【页数】:11P.;A4
【正文语种】:英语