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Mat. Res. vol.16 número6

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Figure 1. SEM micrograph of an E-PLA/ENDO sample after (a) 0, (b) 30, (c) 60 and (d) 90 days of exposure in the degradation test and  E-PLA/EXO after (e) 0, (f) 30, (g) 60 and (h) 90 days of exposure in the degradation test.
Figure 2 shows the visual features of the expanded test  specimens after 90 days of exposure to simulated soil, where  the arrow indicates the portion buried in the soil.
Figure 3. Flexural strength (a) and lexural modulus (b) of E-PLA/
Table 2 lists the results for the DSC thermal analysis for  the PLA, E-PLA/EXO and E-PLA/ENDO samples during  exposure in simulated soil.
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