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. 2021 Apr 14;13(8):1270. doi: 10.3390/polym13081270

Figure 2.

Figure 2

1HNMR spectra of L-lactide (L-LA), ε-caprolactone (ε-CL), PLCL (DG), and PLCL (1:1-30 h) (a); 1HNMR spectra of PLCL copolymers synthesized at different conditions (b).