Review Article
Jatropha Oil as a Substituent for Palm Oil in Biobased Polyurethane
Table 2
Comparison of commonly used methods for vegetable oil-based polyols.
| | Epoxidation/ring-opening | Ozonolysis/reduction | Hydroformylation | Thiol-ene |
| Number of steps | 2 | 2 | 2 | 1 | Functionality | Secondary, tunable | Terminal, 3 | Primary, tunable | Primary, tunable | OH value | 70-320 | 228-260 | 150-200 | 223 | MW | Variable (>1000) | 500-700a | 900-1100a | 1070-1440a | Viscosity | High | Low | Medium | Medium | Reaction temperature | Variable (50-170) | RT | 120 | Low or RT | Reaction time | Long | Medium | ā | Short |
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aTaken from [ 31]. RT: room temperature; MW: molecular weight. |