As can be seen from the scanning electron micrograph, the degradation mechanisms of the PBAT and PLA samples were different in soil conditions and, as a result, the surface conditions of the degradation residues were not the same.
As can be seen from the scanning electron micrograph, thedegradation mechanisms of the PBAT and PLA sampleswere different in soil conditions and, as a result, the surfaceconditions of the degradation residues were not the same.