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Table 1 Assignments of the analyzed bands (labelled in Fig. 6b) to specific vibrations of PLA chains

From: Effect of tungsten disulfide nanotubes on crystallization of polylactide under uniaxial deformation and annealing

Wavenumber (cm− 1) Vibration mode Associated to phase Ref.
874 C-COO stretching Crystalline and amorphous [39]
924 CH3 rocking and C-C bending Crystalline [39]
1095 OCO stretching [26]
1454 asymmetric deformation modes of the CH3 group [39]