Table 2. Mechanical properties of oxo-biodegradable plastic before and after 30, 60 or 90 days of incubation with Pleurotus ostreatus.
Mechanical properties | Time of incubation (days) | Exposition time of the ultraviolet light (days) | ||||
0 | 30 | 60 | 90 | 120 | ||
Maximum load of break (N) | 30 | 3.234±0.785 | 2.095±0.551 | 2.053±0.870 | 1.857±0.296 | 1.595±0.208 |
60 | 2.629±0.650 | 1.342±0.357 | 1.309±0.982 | 1.292±0.046 | 1.130±0.271 | |
90 | 2.137±0.298 | 0.970±0.328 | 0.952±0.242 | 0.924±0.484 | 0.909±0.277 | |
Energy at break (J) | 30 | 0.064±0.018 | 0.052±0.011 | 0.034±0.006 | 0.032±0.007 | 0.022±0.007 |
60 | 0.055±0.026 | 0.047±0.017 | 0.027±0.008 | 0.030±0.015 | 0.016±0.002 | |
90 | 0.042±0.003 | 0.038±0.009 | 0.024±0.006 | 0.026±0.001 | 0.010±0.008 | |
Tensile extension at break (cm) | 30 | 4.763±0.950 | 4.193±1.048 | 4.308±0.991 | 4.222±1.015 | 3.815±0.366 |
60 | 4.230±0.432 | 4.128±1.004 | 4.101±0.482 | 3.564±0.704 | 3.497±0.542 | |
90 | 4.141±0.724 | 4.096±0.690 | 4.067±0.878 | 3.550±0.665 | 2.957±0.833 | |
Load at tensile strength (N) | 30 | 2.761±0.644 | 1.394±0.189 | 1.354±0.503 | 1.242±0.473 | 1.164±0.463 |
60 | 2.352±0.873 | 1.170±0.876 | 1.230±0.632 | 1.218±0.687 | 1.102±0.510 | |
90 | 1.902±0.593 | 1.110±0.392 | 1.119±0.425 | 1.098±0.658 | 0.954±0.266 | |
Elastic modulus (MPa) | 30 | 27.962±4.771 | 18.391±3.139 | 16.101±2.078 | 14.523±0.841 | 13.003±1.076 |
60 | 23.470±3.341 | 14.960±2.333 | 10.326±2.940 | 12.311±0.350 | 9.344±0.954 | |
90 | 20.190±2.965 | 13.639±4.350 | 9.854±1.724 | 9.730±0.831 | 7.922±0.712 |