| abstract |
The invention relates to polyurethane foams having reduced flammability, reduced smoke development and low smoke toxicity, for use mainly as upholstery of seats, couchettes and berths in rail vehicles, wherein polyurethane foam based on MDI type diisocyanat (methylenediphenyl diisocyanate), polyol, melamine phosphate further comprises a flame retardant or a mixture thereof selected from a group consisting of ammonium polyphosphate, magnesium hydroxide in triethyl phosphate. |