Official Journal of the Japan Wood Research Society
Table 3 Detail data of TGA measurements of LRPU foams of different lignosulfonate-to-APP ratios
From: Lignosulfonate/APP IFR and its flame retardancy in lignosulfonate-based rigid polyurethane foams
Sample | Lignin:APP ratio | Tmax1 (°C) | Mass loss1 (wt%) | Tmax2 (°C) | Mass loss2 (wt%) | Char700 °C (wt%) |
|---|---|---|---|---|---|---|
LRPU1 | 1:1 | 145 | 2.0 | 307 | 57.6 | 28.1 |
LRPU2 | 1:2 | 145 | 2.9 | 305 | 57.0 | 28.2 |
LRPU3 | 1:3 | 143 | 1.4 | 292 | 53.9 | 32.8 |
LRPU4 | 1:4 | 148 | 3.2 | 297 | 54.2 | 35.3 |
LRPU5 | 1:5 | 149 | 2.5 | 296 | 53.5 | 38.0 |