PreparationandThermalPropertiesofNovelSelf-CatalystResinWithCyanoGrou

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PreparationandThermalPropertiesofNovelSelf-CatalystResinWithCyanoGrou
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Abstract:

Twokindsofself-catalystcyanoresinwithNH2-groupandimidestructureinthemainchain weresynthesized,whosestruturewerecharacterizedwith1H-NMR.DSCwasusedtoinvestigatethecuring behaviorofthecyanoresinandcomparisonwasmadewithotherself-catalystmonomer.Thestructureand thermalpropertiesofcuredresinwerestudiedwithFTIRandTGArespectively.TheresultsofDSCshow thatbothoftheself-catalystcyanoresinsgiveonexothermicpeakfrom250to300℃ aftermelting,dueto thecuringreaction.Furthermore,FTIRspectrademonstratedthattheexpectedstructuresofcuredresins areformed.Andtheresinshaveexcellentthermalproperty,Td5ofwhichisabove510℃notonlyinnitrogen
butalsoinair,thedecompositionresiduesofwhichisover60%innitrogenat900℃.

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Online: November 28,2016
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