fig6
![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.6.jpg)
Figure 6. Analysis of flame-retardant mechanism. (A) HRR and (B) THR versus temperature curves and (C) FTIR spectra of PCNF and PCNF/CS15-M5.0 film pyrolysis products. (D) Schematic illustration of proposed flame-retardant mechanism of PCNF/CS-M film under flame attack.