Research Article
Durable Flame-Retardant Cotton Fabric Modified by a Novel Reactive P-N Intumescent Flame Retardant
Table 2
Flammability properties of the TTCTN-CF.
| | Sample | Content of TTCTN/wt% | After-flame time/s | After-glow time/s | Char length/cm | Flame retardant ratings | LOI/% |
| | CF | 0 | 13.0 | 32.5 | – | – | 18.9 ± 0.26 | | TTCTN(10)-CF | 10 | 7.2 | 0.0 | 27.0 | – | 23.5 ± 0.36 | | TTCTN(15)-CF | 15 | 5.6 | 0.0 | 19.3 | B2 | 25.5 ± 0.24 | | TTCTN(20)-CF | 20 | 0.0 | 0.0 | 13.6 | B1 | 28.6 ± 0.28 | | TTCTN(25)-CF | 25 | 0.0 | 0.0 | 10.1 | B1 | 30.1 ± 0.26 | | TTCTN(30)-CF | 30 | 0.0 | 0.0 | 6.0 | B1 | 31.8 ± 0.34 |
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