Table 2.
FTIR spectra assignment for scPLA-MCH biocomposites.
| Sr. No. | Assignment | Wavenumber (cm−1) |
|---|---|---|
| 01 | Asymmetrical stretching of CH3 | 2995 → 2993 |
| 02 | Symmetrical stretching of CH3 | 2945 → 2941 |
| 03 | Stretching of CH | 2881 → 2877 |
| 04 | Rocking of CH3 and stretching of C-COO | 955 |
| 05 | Rocking of CH3 and stretching of C-COO and characteristic peak for the stereocomplex crystallite with 31 helix confirmation | 908 |
| 06 | Stretching of C-COO | 874 ← 870 |
| 07 | Stretching and deformation of C-H, assigned to crystalline phase | 756 |
| 08 | Stretching and bending of C-H | 715 |