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| Sample | Impregnation of isoeugenol (days) | Reaction time (days) | Temperature (°C) | Mw (kDa) of collected material | Presence of FTIR band at 1730 cm−1 in situ |
|---|---|---|---|---|---|
| IE1 | 2 | 2 | r.t | 0.7 | Y |
| IE2 | 4 | 4 | r.t | 0.4 | Y |
| IE3 | 7 | 15 | r.t | — | Y |
| IE4 | 7 | 15 | 38 | 0.9 | Y |
