Review Article
Physical and Chemical Modifications of Plant Fibres for Reinforcement in Cementitious Composites
Table 5
Alkali effect on tensile properties of PF.
| Fibres | Treatment | Tensile strength (MPa) | References | Chemical | Physical |
| Kenaf | NaOH soaked for 24 h | Oven dried at 220°C (10 h) | | — | 289 | [97] | Untreated | 5% | 355 | Treated | 10% | 261 | | 15% | 213 |
| Kenaf | NaOH soaked for 24 h | Oven dried at 80°C (10 h) | | — | 16.8 | [148] | Untreated | 3% | 17.5 | Treated | 6% | 17.6 | | 9% | 16.8 |
| Abaca | NaOH soaked for 0.5 h | Oven dried at 80°C (2 h) | | — | 755 | [146] | Untreated | 5% | 847 | Treated | 10% | 840 | | 15% | 840 |
| Mulberry | NaOH soaked for 0.5 h | Dried at room temperature (48 h) | | — | 463.84 | [149] | Untreated | 5% | 605.61 | Treated | 10% | 532.24 | | 15% | 519.30 |
| Date palm | NaOH soaked for 1 h | Oven dried at 80°C (24 h) | | — | 350 | [150] | Untreated | 2% | 370 | Treated | 5% | 460 | | 10% | 250 |
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