Table 2. Formulas, Cross-link Density, and Flame Retardancy for STCA-Cured THPE-TEa.
| sample mode | THPE-TE (g) | STCA (g) | STCA content (wt %) | νe (×103 mol/m3) | LOI (vol %) | UL-94 (3 mm) rating | dripping |
|---|---|---|---|---|---|---|---|
| EP/STCA-1 | 50 | 50 | 50 | 5.03 | 23.6 | V-2 | no |
| EP/STCA-2 | 50 | 55 | 52.4 | 5.47 | 28.4 | V-1 | no |
| EP/STCA-3 | 50 | 60 | 54.5 | 5.89 | 31.2 | V-1 | no |
| EP/STCA-4 | 50 | 65 | 56.5 | 6.19 | 33.8 | V-0 | no |
| EP/STCA-5 | 50 | 70 | 58.3 | 6.23 | 33.4 | V-0 | no |
| EP/STCA-6 | 50 | 75 | 60 | 6.25 | 33.3 | V-0 | no |
CC test.