Table 3.
FTIR peaks assignment of EPOP and EPOLA.
| Functional Group | FTIR Absorption (cm−1) | |
|---|---|---|
| EPOP | EPOLA | |
| OH stretching | 3472 | 3470 |
| C-H stretching (CH3) | 2924 | 2924 |
| C-H stretching (CH2) | 2853 | 2853 |
| C=O stretching | 1743 | 1744 |
| C=O (carboxylic group) | ----- | 1725 |
| CH2=CH-R stretching | ----- | 1636 |
| CH2=CH-R Scissoring | ----- | 1406 |
| C=O stretching | 1743 | 1744 |
| C=O (carboxylic group) | ----- | 1725 |
| CH2=CH-R stretching | ----- | 1636 |
| CH2=CH-R Scissoring | ----- | 1406 |
| C-O-C stretching | 1240 | ----- |
| C-O-C asymmetric bending | 835 | ----- |
| CH=C-H out of plane bending | ------ | 810 |