ASTM D4827-2003(2009) 利用毛细管丛的气相色谱法对乳胶中未反应单体的试验方法
作者:标准资料网 时间:2024-05-24 10:47:57 浏览:8277
来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodforDeterminingtheUnreactedMonomerContentofLatexesUsingCapillaryColumnGasChromatography
【原文标准名称】:利用毛细管丛的气相色谱法对乳胶中未反应单体的试验方法
【标准号】:ASTMD4827-2003(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D01.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:gaschromatography;gaschromatography(capillarycolumn);latexpaints;latexvehicles;monomer(unreacted);unreactedmonomercontent;Calibration--paints/relatedcoatingsanalysisinstrumentation;Gaschromatography(GC)--paints/relatedcoatings/materi
【摘要】:Excessiveamountsofunreactedmonomermaycauseconcernsrelatingtotoxicityandodor.Thistestmethodisdesignedtomeasuretheunreactedmonomercontentoflatexes.Theresultsmaybeusedtomonitortheextentofpolymerizationduringmanufacture,aswellastoestablishmaximumunreactedmonomercontentforregulatorypurposes.1.1Thistestmethodisforthedeterminationoftheunreactedmonomercontentofacryliclatexes.Monomersthathavebeensuccessfullydeterminedbythisprocedureincluden-butylmethacrylate,n-butylacrylate,styrene,andmethylmethacrylate.Thedeterminationofothermonomershasnotbeenevaluated,butthistestmethodisbelievedtobeapplicable.Theestablishedworkingrangeofthistestmethodisfrom100to1000x03BC;g/g,butthereisnoreasontobelieveitwillnotworkoutsideofthisrange,providedthatappropriatedilutionsandadjustmentsinspecimensizearemade.1.2Theunreactedmonomerinacryliclatexesisexpectedtochangewithtimeandenvironmentalfactors.Thistimedependenceofthedeterminationmaybeseenasanartificiallylargedeviationofresults,makingthetestmethodmostlyapplicableforin-housequalitycontrol,wheresamplingandanalysisconditionscanbebettercontrolled.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection7.
【中国标准分类号】:G38
【国际标准分类号】:
【页数】:4P.;A4
【正文语种】:英语
【原文标准名称】:利用毛细管丛的气相色谱法对乳胶中未反应单体的试验方法
【标准号】:ASTMD4827-2003(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D01.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:gaschromatography;gaschromatography(capillarycolumn);latexpaints;latexvehicles;monomer(unreacted);unreactedmonomercontent;Calibration--paints/relatedcoatingsanalysisinstrumentation;Gaschromatography(GC)--paints/relatedcoatings/materi
【摘要】:Excessiveamountsofunreactedmonomermaycauseconcernsrelatingtotoxicityandodor.Thistestmethodisdesignedtomeasuretheunreactedmonomercontentoflatexes.Theresultsmaybeusedtomonitortheextentofpolymerizationduringmanufacture,aswellastoestablishmaximumunreactedmonomercontentforregulatorypurposes.1.1Thistestmethodisforthedeterminationoftheunreactedmonomercontentofacryliclatexes.Monomersthathavebeensuccessfullydeterminedbythisprocedureincluden-butylmethacrylate,n-butylacrylate,styrene,andmethylmethacrylate.Thedeterminationofothermonomershasnotbeenevaluated,butthistestmethodisbelievedtobeapplicable.Theestablishedworkingrangeofthistestmethodisfrom100to1000x03BC;g/g,butthereisnoreasontobelieveitwillnotworkoutsideofthisrange,providedthatappropriatedilutionsandadjustmentsinspecimensizearemade.1.2Theunreactedmonomerinacryliclatexesisexpectedtochangewithtimeandenvironmentalfactors.Thistimedependenceofthedeterminationmaybeseenasanartificiallylargedeviationofresults,makingthetestmethodmostlyapplicableforin-housequalitycontrol,wheresamplingandanalysisconditionscanbebettercontrolled.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection7.
【中国标准分类号】:G38
【国际标准分类号】:
【页数】:4P.;A4
【正文语种】:英语
下载地址: 点击此处下载