Synthesis, Properties, and In Vitro Hydrolytic Degradation of Poly(d,l-lactide-co-glycolide-co-ε-caprolactone)

Table 1

Ring-opening copolymerization of DLLA, GA, and CL in the bulk with Sn(Oct)₂.

Number	[DLLA]/[GA]/[CL]		Mw	Mn	PDI
	Feeding	Polymer	×10^4	×10^4		°C	°C	°C
1	50 : 50 : 0	—	—	—	—	44.3	—	246.3
2	40 : 40 : 20	42.07 : 38.57 : 19.36	18.5	14.3	1.29	21.8	20.30	268.6
3	30 : 30 : 40	31.62 : 28.18 : 40.20	16.1	12.4	1.30			278.7

Determined by ¹H-NMR.
Calculated from GPC analysis.
No data for the undissolvable samples.
Determined from DSC analysis.
Calculated from FOX equation.
is the 5% weight loss temperature of thermal degradation.