Table 3 Flame retardant properties of epoxy thermosets.
From: A phosphorus-containing hyperbranched phthalocyanine flame retardant for epoxy resins
Samples | LOI (%) | UL-94 | ||
|---|---|---|---|---|
t1 + t2 (s) | Dripping | Rating | ||
Neat EP | 21.7 | > 100 | Yes | NR |
5DOPO-CuPc/EP | 30.0 | 12 + 14 | No | V-1 |
10DOPO-CuPc/EP | 33.0 | 6 + 7 | No | V-1 |
15DOPO-CuPc/EP | 35.8 | 4 + 5 | No | V-0 |
20DOPO-CuPc/EP | 37.2 | 4 + 3 | No | V-0 |
