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【英文标准名称】:Paints,varnishesandplastics-Determinationofnon-volatile-mattercontent(ISO3251:2008);GermanversionENISO3251:2008
【原文标准名称】:涂料、清漆和塑料.非挥发物质含量的测定
【标准号】:DINENISO3251-2008
【标准状态】:现行
【国别】:德国
【发布日期】:2008-06
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:分析;粘合剂;化学分析和测试;涂层材料;涂层;定义;测定;含量测定;仪器;天然漆;质量含量;非挥发物;非挥发物质;非挥发物测定;涂料;塑料;一份;乳状树脂;树脂;树脂(天然);抽样方法;溶剂;测试;清漆;挥发性的
【英文主题词】:Analysis;Bindingagents;Chemicalanalysisandtesting;Coatingmaterials;Coatings;Definition;Definitions;Determination;Determinationofcontent;Instruments;Lacquers;Masscontent;Nonvolatile;Non-volatilematter;Non-volatilematterdetermination;Paints;Plastics;Portion;Resinmilk;Resins;Resins(natural);Samplingmethods;Solvents;Testing;Varnishes;Volatile
【摘要】:ThisInternationalStandardspecifiesamethodfordeterminingthenon-volatile-mattercontentbymassofpaints,varnishes,bindersforpaintsandvarnishes,polymerdispersionsandcondensationresinssuchasphenolicresins(resols,novolaksolutions,etc.).Themethodisalsoapplicabletoformulateddispersionscontainingfillers,pigmentsandotherauxiliaries(e.g.thickenersandfilm-formingagents).Forthemethodtobeusableforunplasticizedpolymerdispersionsandrubberlatices,thenon-volatileresidue(whichconsistsessentiallyofthepolymericmaterialandofsmallquantitiesofauxiliariessuchasemulsifiers,protectivecolloids,stabilizers,solventsaddedasfilm-formingagentsand--especiallyforrubberlatexconcentrate--preservingagents)hastobechemicallystableunderthetestconditions.Forplasticizedsamples,theresidue,bydefinition,normallyincludestheplasticizer.NOTEIThenon-volatile-mattercontentofaproductisnotanabsolutequantitybutdependsuponthetemperatureQandperiodofheatingusedforthedetermination.Consequently,whenusingthismethod,onlyrelativeandnottruevaluesfornon-volatile-mattercontentareobtainedowingtosolventretention,thermaldecompositionandevaporationofIowmolecularmassconstituents.Themethodisthereforeprimarilyintendedfortestingdifferentbatchesofthesametypeofproduct.NOTE2Thismethodissuitableforsyntheticrubberlaticesprovidedheatingforaspecificperiodoftimeisconsideredappropriate(ISO124specifiesheatinguntilthelossinmassofa2gtestportionfollowingsuccessiveperiodsofheatingislessthan0,5rog).NOTE3In-housemethodsfordeterminingnon-volatilematteroftenincludedryingwithinfraredormicrowaveradiation.Standardizationofsuchmethodsisnotpossible,sincetheyarenetgenerallyapplicable.Somepolymercompositionstendtodecomposeduringsuchtreatmentandthereforegiveincorrectresults.ISO3233andISO23811specifymethodsfordeterminingthevolumeofnon-volatilematterinpaints,varnishesandrelatedproducts.
【中国标准分类号】:G04
【国际标准分类号】:83_080_01;87_040
【页数】:14P.;A4
【正文语种】:德语