A Study of the Deformation, Network, and Aging of Polyethylene Oxide Films by Infrared Spectroscopy and Calorimetric Measurements

Table 3

Variation of the standard integrated absorbance between C and M^a for two large regions and for a doublet^c.

	3000–2640 (cm^−1)			1500–770; (cm^−1)			1000–900 (cm^−1)
	Std Abs^a	Max Abs^b	Band position; (cm^−1)	Std Abs	Max Abs^b	Band position; (cm^−1)	Std. Abs^c	Max Abs.	Band position; (cm^−1)
C	78.3	0.92	2884	139	1.55	1114	7.7–7.0	0.46–0.40	963–947
M	72.6	0.72	2861	131	1.05	1109	3.5	0.25	991–948
%^c	−9	−25		−6	−40		−70	−(10–45)

^aUsing the standard method.
^bFrom the spectra at 66°C on heating, M, and 30°C on cooling, C.
^cBands are displaced from C to M. Using nonstandard absorbance including NDA, the change is smaller.