Table 3 Proximate analysis (wt%) of polymers (II-X) based on thermogravimetric analysis
Polymer code | Distribution of volatile ranges (Temperature range)(°C) | Residue (%) At 800°C | T on (°C) | 50% Loss at (°C) | ||
|---|---|---|---|---|---|---|
Moisture | Grafted functional group | Remainder PAN | ||||
30-150 | 150-350 | >350 | ||||
II | 0.1 | 36.6 | 21.2 | 36 | 287 | 425 |
III* | 1.5 | 14.6 | 34.6 | 49 | 272 | 790 |
IV# | 0.7 | 20.0 | 29.8 | 49 | 274 | 791 |
V | 1.4 | 16.3 | 37.3 | 45 | 296 | 754 |
VI | 0.1 | 14.8 | 37.6 | 47 | 294 | 775 |
VII | 4.6 | 21.9 | 18.0 | 50 | 388 | 796 |
VIII | 0.8 | 18.0 | 28.8 | 47 | 296 | 773 |
IX | 0.7 | 19.7 | 38.5 | 38 | 289 | 464 |
X | 2.5 | 12.8 | 34.9 | 49 | 342 | 786 |