Table 2.

Methanolysis of PLAs performed in THF solution.^[a]

Run	Sample	M n [b] [kDa]	t [h]	X Int [c] [%]	S Me‐La [c] [%]	Y Me‐La [c] [%]
1	PlLA	30	1	100	61	61
2	PlLA	48	1	100	74	74
3	PlLA	92	1	100	77	77
4	PlLA	14	1	97	95	92
5	P(rac‐LA)	13	1	44	35	16
6	P(rac‐LA)	44	1 2	75 88	69 89	52 78
7[d]	PlLA	30	2 4.5	89 97	38 61	34 60
8[d]	PLA cup	58	2 4.5	100 100	47 100	47 100
9[d]	PLA filament	20	2 4.5	84 100	26 62	22 62

[a] All reactions were carried out by using 5 μmol of Zn catalyst (0.6 mol % relative to ester linkages) in 1.8 mL of THF, with 0.2 mL of MeOH (6 times relative to ester linkages). [b] M _n=experimental molecular weight (GPC). [c] Determinated by ¹H NMR spectroscopy. [d] Reaction performed in air.