Table 1.
Box-Behnken design of experiments calculated for space with three variables: x1 – type of monomer; x2 – grafting time of vinylazlactone, min; x3 – lipase immobilization time, h.
| Run | x1a | x2 | x3 |
|---|---|---|---|
| 1 | BMA | 1 | 4 |
| 2 | BMA | 20 | 4 |
| 3 | SMA | 1 | 4 |
| 4 | SMA | 20 | 4 |
| 5 | BMA | 10 | 2 |
| 6 | BMA | 10 | 8 |
| 7 | SMA | 10 | 2 |
| 8 | SMA | 10 | 8 |
| 9 | LMA | 1 | 2 |
| 10 | LMA | 1 | 8 |
| 11 | LMA | 20 | 2 |
| 12 | LMA | 20 | 8 |
| 13 | LMA | 10 | 4 |
| 14 | LMA | 10 | 4 |
| 15 | LMA | 10 | 4 |
BMA – butyl methacrylate, LMA – lauryl methacrylate, SMA – stearyl methacrylate.