Fireproof Coated PU Sponge

Photothermal high-viscosity oil recovery

A coated polyurethane sponge with superhydrophobicity, flame retardancy, and photothermal properties for safe and efficient recovery of high-viscosity oil from marine spills.

Weijie, Wei · Lifei, Chen · Lan, He · Jin, Li · Yuanyuan, Liu · Wan, Wubo · Chen, Sheng · Meng, Li · Gao, Zhuwei

Journal of Water Process Engineering 2025

Advantages

Self-extinguishing after 65 s of combustion

Oil recovery and fire extinguishing within 52 s when used with a pump

Shows certain fire resistance in simulated marine oil fire

Stably adsorb and separate various oils