MWCNTs/Cellulose Hydrogels Prepared from NaOH/Urea Aqueous Solution with Improved Mechanical Properties

Figure 2

FT-IR spectra of cellulose hydrogel (a) and cellulose/MWCNTs hydrogels: (b) Gel 1, (c) Gel 2, (d) Gel 3, (e) Gel 4, and (f) Gel 5.