Decomposition step | Gas phase products | Condensed phase products |
---|---|---|
1 | Isocyanates | Polyols |
2 | Polyol, CH2O, H2O, HCN and CH4 | Solid residue |
3 | Isocyanates, polyols, H2O and CO2 | Mixed polyol and polyol fragments |
4 | CO2, CO, H2O, Polyol, CH2O, HCN and CH4 | Char |
5 | CO, CO2, H2O, CH2O, CH4, HCN and small amounts of polyol. | Residue |