ASTM F2778-2009 用镜反射傅里叶变换红外光谱仪测量聚醚醚酮聚合物结晶百分数的试验方法
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【英文标准名称】:StandardTestMethodforMeasurementofPercentCrystallinityofPolyetheretherketone(PEEK)PolymersbyMeansofSpecularReflectanceFourierTransformInfraredSpectroscopy(R-FTIR)
【原文标准名称】:用镜反射傅里叶变换红外光谱仪测量聚醚醚酮聚合物结晶百分数的试验方法
【标准号】:ASTMF2778-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:F04.15
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:结晶度
【英文主题词】:crystallinity;Fouriertransmissioninfraredspectroscopy(FTIR);polyetheretherketone(PEEK);specularreflectance
【摘要】:MechanicalpropertiesofPEEK,suchasstiffnessoryieldstrength,areinfluencedbythelevelofcrystallinity.ThereportedcrystallinityindexdeterminedbythistestmethodhasbeencorrelatedwithpercentcrystallinityinPEEKbywide-angleX-rayscattering(WAXS)experiments.Thistestmethodmaybeusefulforbothprocessdevelopment,processcontrol,productdevelopment,andresearch.1.1Thistestmethoddescribesthecollectionofabsorptionspectraofpolyetheretherketone(PEEK)polymerinfilledandunfilledgrades,assuppliedbyavendor,andthesubsequentcalculationofthepercentcrystallinity.Thematerialisevaluatedbyinfraredspectroscopy.Theintensity(height)oftheabsorbancepeaksisrelatedtotheamountofcrystallineregionspresentinthematerial.1.2ThistestmethodcanbeusedforPEEKconsolidatedforms,suchasinjectionmoldedparts,aslongasthesamplesareopticallyflatandsmooth.1.3TheapplicabilityoftheinfraredmethodtoindustrialandmedicalgradePEEKmaterialshasbeendemonstratedbyscientificstudies.PercentageofcrystallinityisrelatedtoR-FTIRmeasurementbycalibrationthroughwide-anglex-rayscattering(WAXS)crystallinitymeasurements.Itisanticipatedthatthistestmethod,involvingthepeakheightsnear1305cm-1and1280cm-1,willbeevaluatedinanInterlaboratoryStudy(ILS)conductedaccordingtoTestMethodE691.1.4Thistestmethoddoesnotsuggestadesiredrangeofcrystallinityforspecificapplications.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandardmayinvolvehazardousmaterials,operations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G32
【国际标准分类号】:83_080_20
【页数】:4P.;A4
【正文语种】:英语
【原文标准名称】:用镜反射傅里叶变换红外光谱仪测量聚醚醚酮聚合物结晶百分数的试验方法
【标准号】:ASTMF2778-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:F04.15
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:结晶度
【英文主题词】:crystallinity;Fouriertransmissioninfraredspectroscopy(FTIR);polyetheretherketone(PEEK);specularreflectance
【摘要】:MechanicalpropertiesofPEEK,suchasstiffnessoryieldstrength,areinfluencedbythelevelofcrystallinity.ThereportedcrystallinityindexdeterminedbythistestmethodhasbeencorrelatedwithpercentcrystallinityinPEEKbywide-angleX-rayscattering(WAXS)experiments.Thistestmethodmaybeusefulforbothprocessdevelopment,processcontrol,productdevelopment,andresearch.1.1Thistestmethoddescribesthecollectionofabsorptionspectraofpolyetheretherketone(PEEK)polymerinfilledandunfilledgrades,assuppliedbyavendor,andthesubsequentcalculationofthepercentcrystallinity.Thematerialisevaluatedbyinfraredspectroscopy.Theintensity(height)oftheabsorbancepeaksisrelatedtotheamountofcrystallineregionspresentinthematerial.1.2ThistestmethodcanbeusedforPEEKconsolidatedforms,suchasinjectionmoldedparts,aslongasthesamplesareopticallyflatandsmooth.1.3TheapplicabilityoftheinfraredmethodtoindustrialandmedicalgradePEEKmaterialshasbeendemonstratedbyscientificstudies.PercentageofcrystallinityisrelatedtoR-FTIRmeasurementbycalibrationthroughwide-anglex-rayscattering(WAXS)crystallinitymeasurements.Itisanticipatedthatthistestmethod,involvingthepeakheightsnear1305cm-1and1280cm-1,willbeevaluatedinanInterlaboratoryStudy(ILS)conductedaccordingtoTestMethodE691.1.4Thistestmethoddoesnotsuggestadesiredrangeofcrystallinityforspecificapplications.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandardmayinvolvehazardousmaterials,operations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G32
【国际标准分类号】:83_080_20
【页数】:4P.;A4
【正文语种】:英语
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