. 2024 Sep 25;16(19):2718. doi: 10.3390/polym16192718

Table 6.

Table of FTIR spectral absorption bands.

	Wavenumber/cm⁻¹	Group	Mode	Ref.
PE	2913	C-H	stretch	[24]
	2848	C-H	stretch
	1470	CH₂	bending
	718	CH₂	rocking
PET	1713	C=O	stretch	[25]
	1409	benzene ring	stretch
	1340	CH₂, trans	wagging
	1241	C-C-O	asymmetric stretch
	1092	C-O-C	stretch
	1016	C-H, aromatic	bending
	723	benzene ring	bending