Research Article
Hybrid and Nonhybrid Laminate Composites of Sugar Palm and Glass Fibre-Reinforced Polypropylene: Effect of Alkali and Sodium Bicarbonate Treatments
Table 4
Tensile properties of the hybrid and nonhybrid composites.
| | Tensile properties | Neat PP | GF/PP | Nonhybrid SPF/PP | Hybrid (sandwich) GF2/SPF2/GF2 | | L00 | L01 | L02 | L03 | L04 | L05 | L06 | L07 |
| | Tensile strength (MPa) | 37.28 | 172.80 | 53.01 | 61.75 | 58.76 | 95.66 | 96.71 | 96.64 | | Tensile modulus (GPa) | 1.33 | 10.08 | 1.80 | 2.28 | 2.06 | 6.35 | 7.20 | 6.78 | | Elongation (%) | 10.81 | 5.85 | 8.07 | 7.98 | 8.21 | 5.89 | 5.10 | 5.68 |
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