ASTM F2214-2002(2008) 超高分子量交联聚乙烯网络参数现场测定的标准试验方法
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【英文标准名称】:StandardTestMethodforInSituDeterminationofNetworkParametersofCrosslinkedUltraHighMolecularWeightPolyethylene(UHMWPE)
【原文标准名称】:超高分子量交联聚乙烯网络参数现场测定的标准试验方法
【标准号】:ASTMF2214-2002(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2002
【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】:
【英文主题词】:crosslinkdensity;molecularweight;network;swelling;UHMWPE;Crosslinkdensity;In-situinspection/analysis;Linearvariabledisplacementtransducers(LVDTs);Mechanicalmeasurement;Molecularweight;Networkparameters;Ultra-highmolecular-weightpol
【摘要】:Thistestmethodisdesignedtoproducedataindicativeofthedegreeofcrosslinkinginultrahighmolecularweightpolyethylenethathasbeencrosslinkedchemicallyorbyionizingradiation.Theresultsaresensitivetothetesttemperature,solvent,andmethodused.Forthecomparisonofdatabetweeninstitutions,caremustbetakentohavethesametestconditionsandreagents.Thedatacanbeusedfordoseuniformityanalysis,fundamentalresearch,andqualityassurancetesting.1.1Thistestmethoddescribeshowthecrosslinkdensity,molecularweightbetweencrosslinks,andnumberofrepeatunitsbetweencrosslinksinultra-highmolecularweightpolyethylene(UHMWPE)crosslinkedbyionizingradiationorbychemicalmeanscanbedeterminedbymeasuringtheswellingratioofsamplesimmersedino-xylene.Examplesofexperimentaltechniquesusedtomakethesemeasurementsarediscussedherein.1.2Thetestmethodreportedheremeasuresthechangeinheightofasamplespecimenwhileitisimmersedinthesolvent.Volumetricswellratiosassumethatthesampleiscrosslinkedisotropically,andthatthechangeindimensionwillbeuniforminalldirections.Thistechniqueavoidsuncertaintyinducedbysolventevaporationortemperaturechange.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:5P.;A4
【正文语种】:英语
【原文标准名称】:超高分子量交联聚乙烯网络参数现场测定的标准试验方法
【标准号】:ASTMF2214-2002(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2002
【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】:
【英文主题词】:crosslinkdensity;molecularweight;network;swelling;UHMWPE;Crosslinkdensity;In-situinspection/analysis;Linearvariabledisplacementtransducers(LVDTs);Mechanicalmeasurement;Molecularweight;Networkparameters;Ultra-highmolecular-weightpol
【摘要】:Thistestmethodisdesignedtoproducedataindicativeofthedegreeofcrosslinkinginultrahighmolecularweightpolyethylenethathasbeencrosslinkedchemicallyorbyionizingradiation.Theresultsaresensitivetothetesttemperature,solvent,andmethodused.Forthecomparisonofdatabetweeninstitutions,caremustbetakentohavethesametestconditionsandreagents.Thedatacanbeusedfordoseuniformityanalysis,fundamentalresearch,andqualityassurancetesting.1.1Thistestmethoddescribeshowthecrosslinkdensity,molecularweightbetweencrosslinks,andnumberofrepeatunitsbetweencrosslinksinultra-highmolecularweightpolyethylene(UHMWPE)crosslinkedbyionizingradiationorbychemicalmeanscanbedeterminedbymeasuringtheswellingratioofsamplesimmersedino-xylene.Examplesofexperimentaltechniquesusedtomakethesemeasurementsarediscussedherein.1.2Thetestmethodreportedheremeasuresthechangeinheightofasamplespecimenwhileitisimmersedinthesolvent.Volumetricswellratiosassumethatthesampleiscrosslinkedisotropically,andthatthechangeindimensionwillbeuniforminalldirections.Thistechniqueavoidsuncertaintyinducedbysolventevaporationortemperaturechange.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:5P.;A4
【正文语种】:英语
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