Table 1 Compositions of PF-PEGs and PU films prepared with polyether polyols and HDI.
PU films | Polyether polyols | (P + F)/PEG mass ratio | F/P molar ratio | Isocyanate index |
|---|---|---|---|---|
PM-1 | PEG | 0/100 | 0 | 1.05 |
PM-2 | PF-PEGs-1 | 10/90 | 1.8 | 1.05 |
PM-3 | PF-PEGs-2 | 20/80 | 1.8 | 1.05 |
PM-4 | PF-PEGs-3 | 33/67 | 1.8 | 1.05 |
PM-5 | PF-PEGs-4 | 40/60 | 1.8 | 1.05 |
PM-6 | PF-PEGs-5 | 50/50 | 1.8 | 1.05 |
