| Share | Phrase |
|---|
| 14.96% | polyisobutylene polymer |
| 12.40% | polyisobutylene anhydride |
| 9.77% | polymer [is] polyisobutylene |
| 8.41% | reactive [physical/chemical] polyisobutylene |
| 8.30% | polyisobutylene succinimide |
| 7.15% | styrene [is] polyisobutylene |
| 7.09% | unsaturation in polyisobutylene |
| 4.53% | polyisobutylene acid |
| 4.36% | polyisobutylene [does] react |
| 3.54% | material [is] polyisobutylene |
| 3.51% | derive from polyisobutylene |
| 2.28% | polyisobutylene percent |
| 2.08% | substitute polyisobutylene [perform operation] |
| 1.95% | comprise polyisobutylene [perform operation] |
| 1.89% | polyisobutylene [does] contain |
| 1.72% | characterize polyisobutylene [perform operation] |
| 1.66% | polyisobutylene mixture |
| 1.45% | polyisobutylene [does] have |
| 1.26% | polyisobutylene material |
| 1.03% | use polyisobutylene [perform operation] |
| 0.56% | include polyisobutylene [perform operation] |