Formulation of BPU foams preparation.
| Ingredients | Weight (g) | |||||
|---|---|---|---|---|---|---|
| Refa | PF2.5b | PF5c | PF7.5d | PF10e | Optf | |
| SL | 0 | 0.25 | 0.5 | 0.75 | 1.0 | 1.5 |
| Polyether | 10.0 | 9.75 | 9.5 | 9.25 | 9.0 | 8.5 |
| Water | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 |
| TEOA | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 |
| DBTDL | 0.12 | 0.12 | 0.12 | 0.12 | 0.12 | 0.12 |
| PDMS | 0.20 | 0.20 | 0.20 | 0.20 | 0.20 | 0.20 |
| MDI | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 |
| IN | 1.73 | 1.25 | 0.98 | 0.81 | 0.69 | 0.53 |
a
Ref: reference foam with 0 SL.
b
PF2.5: BPU foam with 2.5% SL.
c
PF5: BPU foam with 5% SL.
d
PF7.5: BPU foam with 7.5% SL.
e
PF10: BPU foam with 10% SL.
f
Opt: Optimal foam with 15% SL.