Table 2.

Molecular weight and polydispersity index (${\overline{M}}_w$/${\overline{M}}_n$) of the three polyester films before and after degradation for different times.

Degradation Time (h)	PES		PBS		PHS
	${\overline{\mathit{M}}}_{\mathit{n}}$ (g/mol)	${\overline{\mathit{M}}}_{\mathit{w}}$/${\overline{\mathit{M}}}_{\mathit{n}}$	${\overline{\mathit{M}}}_{\mathit{n}}$ (g/mol)	${\overline{\mathit{M}}}_{\mathit{w}}$/${\overline{\mathit{M}}}_{\mathit{n}}$	${\overline{\mathit{M}}}_{\mathit{n}}$ (g/mol)	${\overline{\mathit{M}}}_{\mathit{w}}$/${\overline{\mathit{M}}}_{\mathit{n}}$
0	53,086	8.15	36,657	2.75	86,043	1.81
2	52,765	8.13	36,147	2.71	85,817	1.79
6	54,972	8.10	36,792	2.67	88,245	1.75
8	58,494	8.06	38,154	2.59	92,046	1.72
10	62,517	8.03	41,528	2.57	95,314	1.70