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

Figure 5

DSC and TGA curves of polymers. (a) DSC of PGL in heat and cooling flow; (b) DSC of polymers ((A) PCL; (B)~(F) d-GL/CL = 1 : 9; 2 : 8; 3 : 7; 4 : 6; 5 : 5; (G) PGL); (c) TGA of polymers ((A) PCL; (B)~(F) d-GL/CL = 1 : 9; 2 : 8; 3 : 7; 4 : 6; 5 : 5; (G) PGL).

(a)

(b)

(c)