Research Article

Spectral and Thermal Degradation of Melamine Cyanurate

Table 1

Vibration band assignment of melamine cyanurate.

Observed wavenumber (cm−1)AssignmentReferences

3396NH2 symmetric stretching type of vibrations of 3 triazine NH2 groups[3]
3234N–H symmetric stretching[4]
3041N–HN stretching [8]
2825N–H deformation (cyanuric acid)[12]
2698NH2 asymmetric stretching[10]
1782Stretching vibration of the carbonyl group C=O
[2]
1743NH2 scissoring[9]
1667NH2 bending vibration [4]
1528C=N symmetric stretching [2]
1449C–N symmetric stretching [2]
1036Ring breathing type of vibration[11]
924Ring breathing type of vibration[13]
808Ring-sextant out-of-plane bending type of vibration[9]
771Ring-sextant out-of-plane bending type of vibration[9]
596Ring bending vibration[11]
529Side chain in plane C–N bending vibration [12]