TPU | Composition molar ratio a | PDMS block | PPO block | HS content (%) b | Theoretic NCO content (%) |
Mw (g/mol) | Mw (g/mol) | ||||
TPU-1 | 0.35:1.38:1 | 1636 | 600 | 30 | 6.28 |
TPU-2 | 0.3:1.33:1 | 1636 | 800 | 30 | 6.50 |
TPU-3 | 0.25:1.275:1 | 1636 | 1000 | 30 | 6.69 |
TPU-4 | 0.23:1.25:1 | 1636 | 1200 | 30 | 6.80 |
TPU-5 | 0.2:1.123:1 | 1636 | 1500 | 30 | 6.96 |