ASTM D3795-2000a(2006) 用转矩流变仪测试可浇注的热固材料的热流性、固化性及性能特性的标准试验方法

作者:标准资料网 时间:2024-05-20 01:18:59  浏览:8848   来源:标准资料网

【英文标准名称】:StandardTestMethodforThermalFlow,Cure,andBehaviorPropertiesofPourableThermosettingMaterialsbyTorqueRheometer
【原文标准名称】:用转矩流变仪测试可浇注的热固材料的热流性、固化性及性能特性的标准试验方法
【标准号】:ASTMD3795-2000a(2006)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:D20.30
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:特性;塑料
【英文主题词】:flow/cureproperties;pourable;thermosets;torquerheometer
【摘要】:Thecontinuousrecordingoftorqueandtemperaturewhilegoingthroughthesevariousstagescanbeusedtopredictthebehaviorofthematerialduringprocessing.Thetorquerheometertesthastwoimportantfunctions.First,itisameanstopredictflow/viscosityandcurecharacteristicsofpourablethermosettingcompounds.Forexample,thetestprovidesusefuldatatopredicttheprocessibilityofamaterialinaparticularmoldingmethod.Thisinformationisalsousefultooptimizeprocessconditionsforaparticularmaterialsuchastheminimumpressuretofillamoldandthetimetocureapart.Asecondcapabilityofthetestistoprovideagraphicrecordofthebatch-to-batchuniformityofthemoldingcompound.1.1Thistestmethodcoverstheapparatus,andaspecifictestmethod,includingtheevaluationofresultsrequiredforthedeterminationofthethermalflowandcurebehaviorpropertiesofpourablethermosettingmaterials.1.2Thistestmethodcanbeused:1.2.1Asacontrolforthedevelopmentandproductionofpourablethermosettingmaterialsandtomeasurethedifferentproperties(forexample,meltingbehavior,curebehavior,etc.)aswellastheinfluenceofvariousadditivesandfillersinanygivenformulations,and1.2.2Verifytheuniformityofdifferentproductionbatchesofthesameformulation.1.3ThevaluesarestatedinSIunits.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionsaregiveninSection7.Note1ThereisnosimilarorequivalentISOstandard.
【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】: