作者:标准资料网 时间:2024-05-04 13:01:31   浏览:9847   来源:标准资料网

【英文标准名称】:Rubberandrubberproducts-Determinationofthecompositionofvulcanizatesanduncuredcompoundsbythermogravimetry-Part2:Acrylonitrile-butadieneandhalobutylrubbers
【原文标准名称】:橡胶和橡胶制品用热裂解法测定硫化和未硫化化合物的成分第2部分:丙烯腈丁二烯和丁基卤化橡胶
【标准号】:ISO9924-2-2000
【标准状态】:现行
【国别】:国际
【发布日期】:2000-09
【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/TC45
【标准类型】:()
【标准水平】:()
【中文主题词】:组分;丁基卤;橡胶;化学成分;橡胶混合物;硫化橡胶;热重分析法;丙烯晴丁二烯橡胶;热解重量分析法;测定;化学分析和试验;试验
【英文主题词】:Acrylonitrilebutadienrubber;Butylhalide;Chemicalanalysisandtesting;Chemicalcomposition;Composition;Determination;Rubber;Rubbermixture;Testing;Thermogravimetricanalysis;Thermogravimetry;Vulcanizatedrubber
【摘要】:1ThispartofISO9924specifiesathermogravimetricmethodfordeterminingthetotalorganiccontent,carbonblackcontent,carbonaceousresidueandashinvulcanizatesanduncuredcompoundscontainingpolymerswhichformacarbonaceousresidueonpyrolysis(see1.2).Thelossinmassataround300℃isanapproximateguidetothevolatile-mattercontentofthecompound.2Themethodissuitablefortheanalysisofrubbercompoundsandvulcanizatescontainingthehydrocarbonpolymerscoveredbypart1ofthisInternationalStandardplusthefollowingcopolymerswithpolargroupswhichformacarbonaceousresidueonpyrolysis:a)acrylonitrile-butadienecopolymers(NBRs);b)carboxylatedacrylonitrile-butadienecopolymers(XNBRs);c)hydrogenatedacrylonitrile-butadienecopolymers(HNBRs);d)chlorinatedisobutylene-isoprenecopolymers(CllRs);e)brominatedisobutylene-isoprenecopolymers(BllRs).NOTE1Thefieldofapplicationofthemethodmaybeextendedtoincludetheanalysisofcompoundscontainingrubbersdifferentfromthosegiveninthisclauseprovidedthattheapplicabilityofthemethodistestedbeforehandusingknowncompoundsorvulcanizateshavingsimilarcomposition.NOTE2Themethodisnotsuitableforcompoundscontainingmineralfillers,suchascarbonatesorhydratedaluminiumoxides,whichdecomposeinthetemperaturerangefrom25℃to800℃,unlesssuitablecorrectionsbasedonpriorknowledgeoffillerbehaviourcanbemade.NOTE3Themethodisnotsuitableforthedeterminationofthetotalpolymercontentofcompoundscontainingnon-rubberorganicingredientsthatcannotbecompletelyremovedbysolventextractioncarriedoutinaccordancewithISO1407.
【中国标准分类号】:G40
【国际标准分类号】:83_060
【页数】:9P;A4
【正文语种】:英语