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Thermal stability of heterocyclic aramid fiber

資料類型：

PDF文件

關(guān)鍵詞：

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

資料大小：

1272K

所屬學(xué)科：

分子表征

來(lái)源：

ICAFPM 2011先進(jìn)纖維與聚合物材料國(guó)際學(xué)術(shù)會(huì)議（2011.8.15~17，上海）

簡(jiǎn)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

上傳時(shí)間：

2011-09-29 14:46:00

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