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

Figure 3

HR-TEM images of the purified MWCNTs ((a), (b)) and the cellulose/MWCNTs hydrogel Gel 5 ((c), (d)).

(a)

(b)

(c)

(d)