Research Article
Flame-Retardant and Thermal Degradation Mechanism of Caged Phosphate Charring Agent with Melamine Pyrophosphate for Polypropylene
Table 2
Effect of MPP and PEPA content on the LOI and UL-94 test results of PP.
| | Samples | Composition (wt%) | LOI (%) | UL-94 | | PP | MPP | PEPA |
| | PP | 100.0 | 0 | 0 | 17.5 | NR | | PP-1 | 80.0 | 20.0 | 0 | 23.0 | NR | | PP-2 | 80.0 | 0 | 20.0 | 24.0 | NR | | PP-3 | 80.0 | 15.0 | 5.0 | 26.5 | NR | | PP-4 | 80.0 | 13.3 | 6.7 | 28.0 | V-1 | | PP-5 | 80.0 | 10.0 | 10.0 | 30.0 | V-1 | | PP-6 | 80.0 | 6.7 | 13.3 | 33.0 | V-0 | | PP-7 | 80.0 | 5.0 | 15.0 | 31.0 | V-1 |
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