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. 2017 Feb 16;9(2):65. doi: 10.3390/polym9020065

Figure 2.

Figure 2

Figure 2

SEM images of TPU cube surfaces: (ac) Elastollan B85A-10; and (df) Elastollan C85A-10; (a,d) negative control samples without enzyme; and (b,c,e,f) following hydrolysis by LCC at 70 °C for 200 h.