Two-Dimensional FTIR as a Tool to Study the Chemical Interactions within Cellulose-Ionic Liquid Solutions

Figure 4

FTIR spectra of 2% cellulose solutions in AMIMCl (a) and EMIMOAc (b) solutions. Spectra obtained on heating (—) from 25°C to 100°C and then on cooling (- - -) to 25°C. 25°C (black), 40°C (blue), 70°C (green), and 100°C (red).

(a)

(b)