Table 2.
Description of raw materials used in polyurethane synthesis.
| Compound | Supplier | Short Description | Structure Formula |
|---|---|---|---|
| PCL diol (CapaTM 2200) |
Perstrop, Malmo, Sweden |
Linear polyestrodiol, terminated with hydroxyl groups; Appearance: white, waxy solid; Average molecular weight: 2000 g/mol; Melting temp: 40–50 °C; Density: 1.05 g/cm3; Viscosity at 60 °C: 480 mPa s; Purity> 99%. |
|
| HDI | Sigma- -Aldrich, Taufkirchen, Germany |
Aliphatic diisocyanate; Appearance: colorless liquid; Molar mass = 168.2 g/mol; Boiling point: 255 °C; Melting point: −67 °C; Density (25 °C) = 1.05 g/cm3; Purity> 99%; LD50 (rat) = 746 mg/kg. |
|
| BDO | Brenntag, Essen, Germany |
Low molecular weight chain extender Molar mass = 90.12 g/mol; Appearance: colorless liquid; Purity> 95.5%; Melting point: 20.4 °C; Density (20 °C) = 1.02 g/cm3 |
|