Table 2.

Copolymer of PEG-PCL characteristics determined by 1 HNMR and GPC

1 H-NMR			GPC
copolymer	Mn a	PLA/PEG b	Mn c	Mw d	Mw/Mn e
		Real Theory
CL5	11944	0.46 1	6926	7915	1.14
CL15	19492	2.9 3	9381	16228	1.73

a) Average Mn determined by 1H-NMR.

b) PCL/PEG determined by 1H-NMR.

c) Average Mn determined by GPC.

d) Average Mw determined by GPC.

E) Polydispersity identified using GPC .