Table 3.

Ratio between PC carbonyl stretching peak (C=O_PC) and that of PET (C=O_PET).

Sample	$\frac{{\mathbf{C}=\mathbf{O}}_{\mathbf{PC}}}{{\mathbf{C}=\mathbf{O}}_{\mathbf{PET}}}$
Xenoy XL1339 pure	1.05
Xenoy XL1339 POST-I	0.79
POST-I + 1% ESAo	1.02
POST-I + 2% ESAo	1.04
POST-I + 5% ESAo	1.04
POST-I + 1% MDI	0.91
POST-I + 1.5% MDI	1.00
POST-I + 2% MDI	0.98
POST-I + 3% MDI	0.98
POST-I + 5% MDI	0.89
POST-I + 5% EMAco	0.93
POST-I + 10% EMAco	0.94