Table 1. The obtained PDLLA-PEG-PDLLA triblock copolymers in this study.

code	PDLLA-PEG-PDLLA	Total Mna	Total Mnb	Total Mnc	PDIc	Solubility d	Sol-gele
S1	L1000-E1000-L1000	3000	2993	2393	1.51	Soluble	Sol-gel
S2	L1300-E1500-L1300	4100	4153	3412	1.61	Soluble	Sol-gel
S3	L1500-E1500-L1500	4500	4495	4281	1.58	Soluble	Sol-gel
S4	L1700-E1500-L1700	4900	4851	4539	1.57	Insoluble	–
S5	L2000-E2000-L2000	6000	5922	5620	1.51	Insoluble	–
S6	L1000-E2000-L1000	4000	3907	3578	1.54	soluble	–

^aTheroretical value, calculated according to the feed ratio.

^bCalculated from ¹H NMR results.

^cObtained by GPC tests with respect to PS standard.

^dSolubility in water at 4 °C to 30 °C.

^eSol-gel phase transition of the copolymers aqueous solutions, investigated by test-tube-inversion method.