Table 3. Thermal Stability and Flame-Retardant Properties of C-(VT-OPE) and C-(OPE-2St).
| sample code | Td5% (°C)a | Td10% (°C)b | CY (%)c | 1st burning time (s) | 2nd burning time (s) | dripping | UL-94 |
|---|---|---|---|---|---|---|---|
| C-(VT-OPE) | 420 | 455 | 38 | 2.6 | 0 | no | VTM-0 |
| C-(OPE-2St) | 394 | 427 | 27 | 3.3 | seriously | VTM-1 |
a
Temperature corresponds to 5% weight loss by thermogravimetry at a heating rate of 10 °C/min.
b
Temperature corresponds to 10% weight loss by thermogravimetry at a heating rate of 10 °C/min.
c
Char yield (residual weight % at 800 °C).