【英文标准名称】:Plastics-Poly(vinylalcohol)(PVAL)materials-Determinationofproperties
【原文标准名称】:塑料.聚乙烯醇(PVAL)材料.特性的测定
【标准号】:BSISO15023-2-2003
【标准状态】:作废
【国别】:英国
【发布日期】:2003-05-07
【实施或试行日期】:2003-05-07
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:热塑性聚合物;特性;测定;规范(验收);塑料;水解;粘度测量;灰分含量;乙酸钠;挥发物测定;聚乙烯醇;模塑材料;含量测定
【英文主题词】:Ashcontents;Brookfield;Determination;Determinationofcontent;Hydrolysis;Mouldingmaterials;Plastics;Polyvinylalcohol;Properties;Sodiumacetate;Specification(approval);Thermoplasticpolymers;Viscositymeasurement;Volatilematterdetermination
【摘要】:ThispartofISO15023specifiesthemethodstobeusedindeterminingthepropertiesofpoly(vinylalcohol),whichisnormallypreparedbyhydrolysisofpoly(vinylacetate)andwhosecompositioncomprisesvinylalcoholmonomericunitsandvinylacetatemonomericunits.ThispartofISO15023isapplicabletopoly(vinylalcohol)withavinylalcoholunitcontent(degreeofhydrolysis)from70mol%to100mol%.InadditiontothedesignatorypropertiesspecifiedinISO15023-1(degreeofhydrolysisandviscosityofanaqueoussolution),thispartofISO15023includesanumberofotherpropertieswhicharecommonlyusedtospecifyPVALmaterials(seeTable1).
【中国标准分类号】:G31
【国际标准分类号】:83_080_20
【页数】:24P.;A4
【正文语种】:英语