【英文标准名称】:Chemicaltestsforrawandvulcanizedrubber-Methodsfordeterminationofcarbonblackcontent
【原文标准名称】:生橡胶和硫化橡胶的化学试验.炭黑含量的测定方法
【标准号】:BS7164-14-1996
【标准状态】:现行
【国别】:英国
【发布日期】:1996-05-15
【实施或试行日期】:1996-05-15
【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】:含量测定;溶剂萃取方法;天然橡胶;燃烧试验法;重量分析;安全措施;合成橡胶;氧化法;热解分析;炭黑;硫化橡胶;试验条件;试验设备
【英文主题词】:Carbonblack;Chemicalanalysisandtesting;Degradability;Determinationofcontent;Methods;Pyrolyticanalysis;Testequipment;Vulcanizedrubber
【摘要】:1ThisInternationalStandardspecifiesapyrolyticmethod(A)andtwochemicaldegradationmethods(BandC)forthedeterminationofthecarbonblackcon-tentofrubber.2MethodAispreferredandshouldbeusedforthefollowingpolymers,exceptwhencertaincom-poundingmaterialssuchasleadandcobaltsalts,graphiticcarbonblacks,phenolicandotherresins,bitumen,orcellulose,etc.,whichcausetheformationofacarbonaceousresidueduringpyrolysis,arepre-sent:—polyisoprene,naturalorsynthetic;—polybutadiene;—styrene-butadienecopolymers;—butylrubber;—acrylaterubber;—ethylene-propylenecopolymer;—ethytene-propyleneterpolymer;—polyethers;—polyethylene-derivedpolymers;—siliconerubbers;—fluorosiliconerubbers;—chlorosulfonatedpolyethylenescontaininglessthan30%(m/m)ofchlorine.Theprecisionofthismethodmaybeaffectedifmin-eralfillers,e.g.aluminaorcalciumcarbonate,arepresentwhichdecomposeordehydrate,orformvol-atilehalidesinthecaseofhalogenatedpolymers,atthepyrolysistemperature.Themethodcannotbeusedforeitherchloroprenerubbersorbutadiene-nitrilerubbershavinganacrylicacidnitrilecontentgreaterthan30%(m/m).3MethodBischieflyintendedtobeusedwithsamplesnotamenabletothepyrolyticmethodA,al-thoughitcanbeusedforallsamplesbasedonun-saturatedrubbersexceptforisobutylene-isoprenecopolymers.4MethodCisrelativelyhazardousandshouldbeusedonlyfortheanalysisofsamplesbasedonisobutylene-isoprenecopolymersandethylene-propylenecopolymersandrelatedterpolymerswhenmethodsAandBfail.
【中国标准分类号】:G34
【国际标准分类号】:83_060
【页数】:14P.;A4
【正文语种】:英语