Figure 6.

Two flame−retardant coating materials (FCMP-1 and FCMP-2) prepared through Sonogashira–Hagihara coupling (a) synthesis route and the morphologies of FCMP-1 and FCMP-2 after soaking in toluene or DMF (b) FCMP-1 in toluene, (c) FCMP-1 in DMF, (d) FCMP-2 in toluene, or (e) FCMP-2 in DMF. (f) Image of foam coated with FCMP-1 and (g) the same foam under 500 g weigh. (h,i) Image of the foam soaked with ethanol under burning and the residue after burning. Reprinted with permission from Ref. [88]. Copyright 2018 Elsevier.