Thermal stability of heterocyclic aramid fiber，ICAFPM 2011先进纤维与聚合物材料国际学术会议（2011.8.15~17，上海）-中国聚合物网,论文下载

Thermal stability of heterocyclic aramid fiber

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heterocyclic aramid fiber thermal degradation TGA-DTA/FTIR Py/GC-MS

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分子表征

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ICAFPM 2011先进纤维与聚合物材料国际学术会议（2011.8.15~17，上海）

简介：

Heterocyclicaramidfiberisoneofhightemperatureresistantfibers.ThethermaldecompositionbehaviorsofthefiberininertgasesandairwerestudiedbyusingPyrolysis/GasChromatography-MassSpectrometry(Py/GC-MS)andThermalGravimetricAnalysis-DifferentialThermalAnalyzer/FourierTransformInfraredSpectroscopy(TGA-DTA/FTIR).Py/GC-MSwasusedtodetectinstantaneousthermalstabilityandvolatilefragments,andtheruptureprocessofmolecularchainwasrecorded.TGA-DTA/FTIRwasappliedtodetectthecontinuousheatingprocesses,andtheweightlossandvolatilesillustratingthechemicalreactionsduringthedecomposingofheterocyclicaramidfiber.Itwasfoundthatatthetemperatureof900°C,heterocyclicaramidfiberkepttheresiduesof60.8%ininertgasandalmostlostallmassinair,andoxidationhadgreateffectsonmassloss.Inbothinertgasandair,themainproductsofthermaldegradationwerethelowmolecularvolatilesandCO2wasofthelargestfraction.

作者：

HU Chengcheng, CHEN Lei,HU Zuming, ZHANG Fengbao, YU Junrong, ZHU Jing

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2011-09-29 14:46:00

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