Table 3 Comparison of LMWC products obtained by physical degradation method
Type | Conditions | Solvent/gas | T (°C) | Time (min) | M w (kDa) | Ref. |
|---|---|---|---|---|---|---|
plasma | 100 W | nitrogen | Room temperature | 5 | 41.0 | [53] |
ultrasound | 0.8% HAc | 60 | 30 | 137.9 | [31] | |
ultrasound | 0.5% HAc | 60 | 30 | 221.8 | [31] | |
ultrasound | 0.5% HAc | 40 | 30 | 251.9 | [31] | |
γ ray | 10 kGy | 0.1 M HAc | 20–180 | 0.97–67 | [54] | |
γ ray | 6 kGy | water | 79.2 | [55] | ||
microwave | 2.46 GHz | 0.1 M HAc | 20 | 30 | [56] | |
microwave | 0.1 M HCl | 19 | 12.6 | [57] |