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. 2014 Nov 24;9(11):e107438. doi: 10.1371/journal.pone.0107438

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