fig2
![Mechanically flexible and flame-retardant cellulose nanofibril-based films integrated with MXene and chitosan](https://image.oaes.cc/a06da802-6d46-445d-ad73-c6738fa51c17/5292.fig.2.jpg)
Figure 2. Mechanical optimization of PCNF/CS-M films. (A) Stress-strain curves and (B) corresponding parameters of obtained films with different compositions. (C) Stress-strain curves of obtained films with different CS concentrations. (D) Stress-strain curves of obtained films with different MXene contents. (E) Ashby-style plot comparing tensile strength and toughness of PCNF/CS-M film with those of other flame-retardant films reported in the literature.