(a)
(b)
(c)
Figure 7: (a) 1H NMR spectrum in CDCl3 and (b) FTIR spectrum of PLA345-PDMAEMA213 block copolymers. (c) Evolution of GPC traces of the synthesized PLA345-PDMAEMA block copolymers with polymerization time of 1 (A), 3 (B), and 10 h (C).