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Pseudo‐first‐order logarithmic plot for the degradation of a PLLA (0.25 g, Mn =45510 g mol−1) cup using Zn(2‐3)2 and Zn(4‐5)Et at 8 wt% (0.02 g, 0.72–1.4 mol% relative to ester linkages) in THF at 50 °C. Reaction conditions: V THF : V MeOH=4 : 1, n MeOH : n ester=7 : 1. [a] Zn(2)2=4 wt% (0.01 g, 0.36 mol% relative to ester linkages).
