Table 4.
Properties of the foams obtained using the ester formulation presented in Table 1, replacing 1 pbw virgin polyol (Desmophen 2200B) with recycled polyol. CFD: compression force deflection.
| Polyol Used for the Ester Foam. | Reference | EXP. 1 | EXP. 2 | EXP. 3 |
|---|---|---|---|---|
| Desmophen 2200B (virgin polyol) (%) | 100.0 | 99.0 | 99.0 | 99.0 |
| Recycled polyol (%) | 0.0 | 1.0 | 1.0 | 1.0 |
| Foam Physical Properties | ||||
| Rise time (s) | 119.0 | 117.0 | 118.0 | 117.0 |
| Foam settling (%) | 1.20 | 2.10 | 2.00 | 1.50 |
| Density (kg/m3) | 25.10 | 24.46 | 24.48 | 24.25 |
| Hardness CFD-40% (kPa) | 4.80 | 4.42 | 4.46 | 4.24 |
| Compression set 22 h 75% 70 °C (%) | 8.00 | 9.85 | 9.70 | 10.05 |
| Airflow (L/min) | 33.0 | 21.0 | 25.0 | 25.0 |
| Tensile strength (kPa) | 107.0 | 144.0 | 124.0 | 132.0 |
| Cell structure (fine 1.... coarse 8) | 5.0 | 4.0 | 4.0 | 4.0 |