ASTM D1995-1992(2004) 胶粘剂(压敏胶粘剂)多重强度试验的标准试验方法
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【英文标准名称】:StandardTestMethodsforMulti-ModalStrengthTestingofAutohesives(ContactAdhesives)
【原文标准名称】:胶粘剂(压敏胶粘剂)多重强度试验的标准试验方法
【标准号】:ASTMD1995-1992(2004)
【标准状态】:现行
【国别】:
【发布日期】:1992
【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】:D14.70
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:胶粘剂;试验
【英文主题词】:autohesive;cleavage;climbingdrumpeel;compressionshear;flexible-to-flexibleadherends;flexible-to-rigidadherends;rigid-to-rigidadherends;T-peel
【摘要】:Theapplicationproceduresinthesetestmethodsyieldfilmsfreeoftheirregularities,artifacts,andvariationsinherentinbrushing,spraying,ortrowelling.Accordingly,thesetestmethodsmeasurethestrengthofautohesivebondsbetweentwoautohesivefilmswhosetopographyischaracteristicoftheautohesiveitselfratherthantheartifactsoftheapplicationprocedure.Itisrecommendedthatthisinformationbeconsideredinextrapolatingresultsfromthesetestmethods.Themagnitudeofthemeasuredbondstrengthsalsodependsonotherfactorssuchasfilmthickness,themannerinwhichpressureisapplied,themagnitudeanddurationoftheapplicationofpressure,andthetemperatureandhumidityatvariousstagesofthetest.Accordingly,theseparametersshouldbechoseninamannerconsistentwiththeenduseoftheautohesive.Incaseofadisputearisingfromdifferencesinreportedresultswhenusingthesetestmethodsforacceptancetestingofcommercialshipments,thepurchaserandthesuppliershouldconductcomparativeteststodiagnosethecausesforlackofrepeatabilitybetweentheirlaboratories.Competentstatisticalassistanceisrecommendedfortheinvestigationofprecision.Asaminimum,thetwopartiesshouldselectagroupoftestspecimensandvisuallyexaminetheirfailuremodes.TheaverageresultsfromthetwolaboratoriesshouldthenbecomparedusingStudentrsquo;t-testforunpaireddataandanacceptableprobabilitylevelshouldbechosenbythetwopartiesbeforetestingisbegun.FIG.1OneTypeofKnifeApplicator1.1Thesetestmethodscoverproceduresbywhichautohesivescanbetestedinfourcommonlypracticedstressingmodes,namely:compressionshear,cleavage,climbingdrumpeel,andT-peel,andinvariouscombinationsofrigid-to-rigid,flexible-to-rigid,andflexible-to-flexibleadherendsthatincludewood,aluminum,steelflakeboard,andplasticlaminates.Quantitativetestmethodsthatinvolvebondformationbyimpactarealsoprovided.Threepressuremodesareprovided:static,roller,andimpact.Becausetherearemanytypesofcontactadhesivesbeingusedtobondmanydifferentmaterialsunderwidelydifferingconditions,thesetestmethodsaredesignedtoallowtheusertoselectthetestmode,coatingthickness,temperatureandrelativehumidityconditions,pressuremagnitudeandmode,opentime,andbond-conditioningtime.1.1.1Thebond-formationprocessusedwithautohesivesisunlikethatofallotheradhesivesandinconsequence,testingofautohesivesrequiresmethodsthatareunlikethoseprovidedbyotherASTMstandards.SeeAnnexA1.1.2Achoiceofadherendsisavailableineachtestmode.ThecombinationofadherendsthatcanbebondedtogetherislimitedtothoseshowninAppendixX1.1.3Methodsforapplicationofpressureareavailableineachtestmode.Foraparticularcombinationofsubstrates,themeansavailableforapplicationofpressurearelimitedtothoseshowninAppendixX2.1.4Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.TheSIunitsgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Specificprecautionarystatementsaregivenin7.5.
【中国标准分类号】:G38
【国际标准分类号】:
【页数】:13P.;A4
【正文语种】:
【原文标准名称】:胶粘剂(压敏胶粘剂)多重强度试验的标准试验方法
【标准号】:ASTMD1995-1992(2004)
【标准状态】:现行
【国别】:
【发布日期】:1992
【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】:D14.70
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:胶粘剂;试验
【英文主题词】:autohesive;cleavage;climbingdrumpeel;compressionshear;flexible-to-flexibleadherends;flexible-to-rigidadherends;rigid-to-rigidadherends;T-peel
【摘要】:Theapplicationproceduresinthesetestmethodsyieldfilmsfreeoftheirregularities,artifacts,andvariationsinherentinbrushing,spraying,ortrowelling.Accordingly,thesetestmethodsmeasurethestrengthofautohesivebondsbetweentwoautohesivefilmswhosetopographyischaracteristicoftheautohesiveitselfratherthantheartifactsoftheapplicationprocedure.Itisrecommendedthatthisinformationbeconsideredinextrapolatingresultsfromthesetestmethods.Themagnitudeofthemeasuredbondstrengthsalsodependsonotherfactorssuchasfilmthickness,themannerinwhichpressureisapplied,themagnitudeanddurationoftheapplicationofpressure,andthetemperatureandhumidityatvariousstagesofthetest.Accordingly,theseparametersshouldbechoseninamannerconsistentwiththeenduseoftheautohesive.Incaseofadisputearisingfromdifferencesinreportedresultswhenusingthesetestmethodsforacceptancetestingofcommercialshipments,thepurchaserandthesuppliershouldconductcomparativeteststodiagnosethecausesforlackofrepeatabilitybetweentheirlaboratories.Competentstatisticalassistanceisrecommendedfortheinvestigationofprecision.Asaminimum,thetwopartiesshouldselectagroupoftestspecimensandvisuallyexaminetheirfailuremodes.TheaverageresultsfromthetwolaboratoriesshouldthenbecomparedusingStudentrsquo;t-testforunpaireddataandanacceptableprobabilitylevelshouldbechosenbythetwopartiesbeforetestingisbegun.FIG.1OneTypeofKnifeApplicator1.1Thesetestmethodscoverproceduresbywhichautohesivescanbetestedinfourcommonlypracticedstressingmodes,namely:compressionshear,cleavage,climbingdrumpeel,andT-peel,andinvariouscombinationsofrigid-to-rigid,flexible-to-rigid,andflexible-to-flexibleadherendsthatincludewood,aluminum,steelflakeboard,andplasticlaminates.Quantitativetestmethodsthatinvolvebondformationbyimpactarealsoprovided.Threepressuremodesareprovided:static,roller,andimpact.Becausetherearemanytypesofcontactadhesivesbeingusedtobondmanydifferentmaterialsunderwidelydifferingconditions,thesetestmethodsaredesignedtoallowtheusertoselectthetestmode,coatingthickness,temperatureandrelativehumidityconditions,pressuremagnitudeandmode,opentime,andbond-conditioningtime.1.1.1Thebond-formationprocessusedwithautohesivesisunlikethatofallotheradhesivesandinconsequence,testingofautohesivesrequiresmethodsthatareunlikethoseprovidedbyotherASTMstandards.SeeAnnexA1.1.2Achoiceofadherendsisavailableineachtestmode.ThecombinationofadherendsthatcanbebondedtogetherislimitedtothoseshowninAppendixX1.1.3Methodsforapplicationofpressureareavailableineachtestmode.Foraparticularcombinationofsubstrates,themeansavailableforapplicationofpressurearelimitedtothoseshowninAppendixX2.1.4Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.TheSIunitsgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Specificprecautionarystatementsaregivenin7.5.
【中国标准分类号】:G38
【国际标准分类号】:
【页数】:13P.;A4
【正文语种】:
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