| abstract |
The invention discloses a kind of high-speed rail cabinet pu membrane compound technologies, which is characterized in that forms including following material: polyurethane, expansion type flame retardant, preservative, synergist, lignin, calcium sulfate and carbon fiber.The present invention increases anti-flammability, toughness and the antiseptic property of made pu film by adding expansion type flame retardant, synergist, lignin, calcium sulfate, carbon fiber, preservative in urethane raw, avoid high-speed rail cabinet when by high temperature, pu film easy firing and toxic gas is generated in combustion, cause huge damage to passenger. |