Poly(delta-gluconolactone) and Poly(delta-gluconolactone-ε-caprolactone) from delta-Gluconolactone and ε-Caprolactone by Ring-Opening Polymerization

Figure 6

Hydrolytic degradation of polymers in PBS solution as function of time. (a) Weight loss of polymers ((A) PCL; (B)~(F) d-GL/CL = 1 : 9; 2 : 8; 3 : 7; 4 : 6; 5 : 5; (G) PGL)); (b) pH of PBS solution.

(a)

(b)