| 摘要 |
The invention relates to a polyester polyurethane foam obtained by reacting an organic polyisocyanate with a liquid polyol having a melting point lower than 25°C in the presence of a halogen-free organophosphorus flame retardant and a foam stabilizer, characterized in that the stabilizer is fumed silica in an amount of 0.1 to 5 wt. % of the composition. |
