▎ 摘　　要

Thermally reduced graphene (TRG) was coated on flexible polyurethane (FPU) foam using poly(vinyl chloride) (PVC) as a binder, and its electrical properties and flame retardancy were investigated. As the amount of coated TRG increased, the surface resistivity decreased. When TRG/PVC ratio was fixed at 75/25, surface resistivity reached a constant value of 10(4) Omega square(-1) when 2 parts of TRG (2 phr) was coated on 100 parts of FPU foam. The electromagnetic shielding efficiency (EMI SE) also enhanced with the amount of coated TRG, and when the amount of coated TRG was in the vicinity of 15 to 20 phr, it exhibited a specific EMI SE around 167 dB cm(2).g(-1). The coated TRG reduced the flammability of FPU foam. Self-extinguishing was observed when the amount of coated TRG reached 10 phr, and the TRG amount needed for self-extinguishing was reduced when the amount of PVC, used as a binder, increased.