Journal of Industrial and Engineering Chemistry, Vol.19, No.4, 1340-1349, July, 2013
Characterizations and properties of oligoazomethines (including CH3 and NO2 groups) char composites
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In this research, the oligomers were synthesized by the polycondensation of diamins (1,4-diamino-2-nitrobenzene and 2,5-diaminotoluene sulfate) with dialdehydes (terephtaldehyde 4,40-diformylbiphenyl, bis(4-formylphenyl) ether and p-phenylene diacrolein). In this study, the oligoazomethines (OAMs) were studied using IR and UV.visible spectra and X-ray diffraction. The initial degradation temperatures (IDT) determined from TGA of OAMs were in the range of 225.2708C indicating their good thermal stability. The conductivity measurements of OAMs were carried out with an electrometer using fourpoint probe technique. The highest conductivity increase among all the oligoazomethine/char composites was observed for the OAMs composites formed with 30% char ratio.
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