Research Article
Durability of LDPE Nanocomposites with Clay, Silica, and Zinc Oxide—Part I: Mechanical Properties of the Nanocomposite Materials
Table 1
Summary of tensile data for the control sample and three composites of LDPE.
|
Material |
Property | Sample Identification |
Average |
Std. Dev. | Sample no. 1 | Sample no. 2 | Sample no. 3 | Sample no. 4 | Sample no. 5 | Sample no. 6 |
| LDPE control | Maximum load, N | 388.98 | 387.85 | 388.16 | 386.68 | 388.38 | 401.09 | 390.19 | 5.39 | Tensile strength, Mpa | 10.18 | 10.12 | 10.15 | 10.12 | 10.17 | 10.49 | 10.21 | 0.14 | % elongation at break | 172.84 | 164.63 | 169.24 | 174.01 | 179.38 | 172.59 | 172.12 | 4.93 | Modulus of elasticity, MPa | 36.06 | 35.69 | 35.24 | 34.39 | 34.96 | 35.95 | 35.38 | 0.64 |
| LDPE 5 wt% ZnO | Maximum load, N | 404.31 | 404.51 | 405.92 | 405.73 | 402.1 | 403.6 | 404.36 | 1.42 | Tensile strength, Mpa | 10.54 | 10.59 | 10.54 | 10.5 | 10.53 | 10.52 | 10.54 | 0.03 | % elongation at break | 155.12 | 160.03 | 165.29 | 161.83 | 149.41 | 165.15 | 159.47 | 6.20 | Modulus of elasticity, MPa | 89.99 | 89.03 | 90.13 | 86.47 | 90.12 | 89.32 | 89.18 | 1.40 |
| LDPE 5 wt% SiO2 | Maximum load, N | 418.05 | 416.58 | 416.72 | 417.56 | 417.84 | 413.94 | 416.78 | 1.51 | Tensile strength, Mpa | 10.79 | 10.64 | 10.74 | 10.85 | 10.79 | 10.65 | 10.74 | 0.08 | % elongation at break | 152.53 | 152.24 | 153.74 | 154.82 | 155.45 | 154.37 | 153.86 | 1.27 | Modulus of elasticity, MPa | 44.34 | 43.95 | 43.05 | 45.25 | 44.56 | 44.13 | 44.21 | 0.73 |
| LDPE 5 wt% clay | Maximum load, N | 392.38 | 388.16 | 387.44 | 391.7 | 389.67 | 389.5 | 389.81 | 1.93 | Tensile strength, Mpa | 10.20 | 10.56 | 10.45 | 10.02 | 10.15 | 9.89 | 10.21 | 0.25 | % elongation at break | 168.92 | 167.94 | 171.62 | 167.06 | 170.65 | 167.8 | 169.00 | 1.78 | Modulus of elasticity, MPa | 88.72 | 91.7 | 91.73 | 86.85 | 89.93 | 90.48 | 89.90 | 1.88 |
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