| by grafting hydrophobic blocks | 2 | manner |
| most often | 2 | degree |
| in accordance with the present invention | 2 | other |
| polymer → be → modified | 14 |
| polymer → be → changed | 3 |
| negative | neutral | positive |
| 0.179 | 0.758 | 0.064 |
| Raw frequency | 17 |
| Normalized frequency | 0.400 |
| Modifier score | 0.500 |
| Perplexity | 442.598 |