Scanning Electron Microscopy and Atomic Force Microscopy: Topographic and Dynamical Surface Studies of Blends, Composites, and Hybrid Functional Materials for Sustainable Future

Figure 4

Selected 6 × 6 μm AFM images of the surface erosion of PLA, 97PLA/3(R,S)-PHB, 91PLA/9(R,S)-PHB, and 85PLA/15(R,S)-PHB blend samples, respectively, before (a) and after (b) 52 weeks of the degradation process in paraffin (adapted with permission from ref. [16]).

(a)

(b)