| by using the same monomers | 8 | manner |
| from renewable resources | 5 | other |
| by heating the monomeric acids | 4 | manner |
| polymer → be → obtained | 43 |
| polymer → be obtained in → example | 6 |
| polymer → be obtained by → this method | 3 |
| polymer → be obtained for → example | 3 |
| negative | neutral | positive |
| 0.095 | 0.768 | 0.138 |
| Raw frequency | 55 |
| Normalized frequency | 0.671 |
| Modifier score | 0.850 |
| Perplexity | 470.466 |