A facile and green approach for the surface coating of phosphorus–silicon functionalized graphene oxide to improve flame retardancy of polyurethane foam

Key Points

• The research aims to develop an eco-friendly method for enhancing the flame resistance of polyurethane foam using functionalized graphene oxide.
• Developed a surface coating technique for graphene oxide.
• Utilized phosphorus-silicon functionalization.
• Measured flame retardancy properties in polyurethane foam.
• Coated polyurethane foam showed improved flame retardancy.
• Enhanced thermal insulation properties were observed in treated foam.