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Table 1
Infra-Red absorbance peaks assignment [42].
| Samples | Wavenumbers (cm−1) | Assignments |
|---|---|---|
| Polypropylene | 1647–1717 | C═O Stretching vibrations |
| 2953 | CH3 Asymmetric stretching | |
| 2916 | CH2 Asymmetric stretching | |
| 2876 | CH3 Symmetric stretching | |
| 2839 | CH2 Symmetric stretching | |
| 3190 | OH Stretching vibration | |
| Polyethylene | 1647–1717 | C═O Stretching vibrations |
| 2911 | CH2 Asymmetric stretching | |
| 2846 | CH2 Symmetric stretching | |
| 3230 | OH Stretching vibration | |
| Polyvinyl chloride | 1632–1732 | C═O Stretching vibrations |
| 2961 | CH3 Asymmetric stretching | |
| 2919 | CH2 Asymmetric stretching | |
| 2854 | CH2 Symmetric stretching | |
| 3394 | OH Stretching vibration |
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