Abstract

Flame retarded and flame resistant foams are required in several applications, including building insulation, upholstered furniture and structural composites. Traditional flame retardants based on halogenated compounds or organophosphorous species pose severe concerns in terms of health and safety, as well as in the optical density of smoke produced during combustion. Therefore, alternative solutions are urgently needed. Surface deposition of 2d materials on polyurethane (PU) foams was found very effective, leading to unprecedented performance on PU foams, in terms of self extinguishing after a small flame exposure, non-ignition under moderate heat fluxes and resistance to flame penetration. I will introduce the key concepts of flame retardancy of foams and overview the potential of 2d materials in this field