Research Article
Comparison of Pentaerythrotol and Its Derivatives as Intumescent Flame Retardants for Polypropylene
Table 2
Effect of IFR addition on flame retardancy of PP.
| | Sample | PP (%) | IFR (%) | UL-94 |
| | IFR-PP (PER) | 72 | 28 | V-0 | | IFR-PP (PEPA) | 72 | 28 | V-0 | | IFR-PP (PBPP) | 72 | 28 | V-0 |
| | IFR-PP (PER) | 75 | 25 | V-2 | | IFR-PP (PEPA) | 75 | 25 | V-0 | | IFR-PP (PBPP) | 75 | 25 | V-0 |
| | IFR-PP (PER) | 77 | 23 | V-2 | | IFR-PP (PEPA) | 77 | 23 | V-0 | | IFR-PP (PBPP) | 77 | 23 | V-2 |
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