Table 1. Formulas, Cross-link Density, and Flame Retardancy for SCA-Cured THPE-TE.
| sample mode | THPE-TE (g) | SCA (g) | SCA content (wt %) | νe (×103 mol/m3) | LOI (vol %) | UL-94 (3 mm) rating | dripping |
|---|---|---|---|---|---|---|---|
| EP/SCA-1 | 50 | 50 | 50 | 4.66 | 22.5 | NR | yes |
| EP/SCA-2 | 50 | 55 | 52.4 | 4.98 | 25.3 | V-2 | no |
| EP/SCA-3 | 50 | 60 | 54.5 | 5.27 | 27.2 | V-1 | no |
| EP/SCA-4 | 50 | 65 | 56.5 | 5.62 | 29.6 | V-1 | no |
| EP/SCA-5 | 50 | 70 | 58.3 | 5.91 | 31.4 | V-0 | no |
| EP/SCA-6 | 50 | 75 | 60 | 5.94 | 31.2 | V-0 | no |