Figure 6
From: Rapid biodegradation of microplastics generated from bio-based thermoplastic polyurethane
Scanning electron microscopy of biodegraded TPU products compared to controls. (a,b) TPU-coated fabric after 2-week incubation in compost. (c) Control image of TPU-coated fabric that was not placed in compost. (d,e) Injection molded TPU phone case after 12-month incubation in compost. (f) Control image of injection molded TPU phone case prior to placement in compost.
