Research Article
Synthesis and Properties of Bionanocomposites of Polyhydroxybutyrate-Polylactic Acid Doped with Copper and Silver Nanoparticles
Table 5
Assignment of bands to functional groups with their respective frequency in medium FTIR spectra [
9–
12].
| | No. | Bond | Frequency (cm-1) |
| | 1 | O-H vibration | 3441 | | 2 | -CH3 stretching | 2984 | | 3 | -CH3 stretching | 2936 | | 4 | C=O stretching | 1731 | | 5 | -CH2 y/o CH3 asymmetric bend | 1455 | | 6 | -CH symmetric bend | 1382 | | 7 | -C-O stretching | 1180 |
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