Table 2.
Clay–polymer composite material synthesis based on the BBD matrix.
| Run | AA/Ch (A) | N,N′-methylenebisacrylamide (B: wt %) | Ammonium Persulfate (C: wt %) | Predicted Swelling Capacity (g/g) | * Cumulative Uncertainty (g/g) |
|---|---|---|---|---|---|
| 1 | 5 | 2 | 1 | 74 | 19 |
| 2 | 5 | 3 | 2 | 66 | 14 |
| 3 | 5 | 1 | 2 | 232 | 17 |
| 4 | 5 | 2 | 3 | 164 | 14 |
| 5 | 7.5 | 3 | 3 | 192 | 9 |
| 6 | 7.5 | 2 | 2 | 220 | 13 |
| 7 | 7.5 | 2 | 2 | 220 | 13 |
| 8 | 7.5 | 3 | 1 | 91 | 17 |
| 9 | 7.5 | 2 | 2 | 220 | 13 |
| 10 | 7.5 | 1 | 3 | 322 | 13 |
| 11 | 7.5 | 1 | 1 | 221 | 19 |
| 12 | 7.5 | 2 | 2 | 220 | 13 |
| 13 | 7.5 | 2 | 2 | 220 | 13 |
| 14 | 10 | 3 | 2 | 226 | 10 |
| 15 | 10 | 2 | 1 | 186 | 17 |
| 16 | 10 | 1 | 2 | 320 | 13 |
| 17 | 10 | 2 | 3 | 299 | 8 |
Adapted from Abdel Aziz and Salama [27]; * calculated cumulative uncertainty of the results; BBD: Box-Behnken design.