| 摘要 |
A method for preparing a flexible polyurethane foam, wherein a polyether-polyol having an average molecular weight from 1000 to 8000 and an average functionality not larger than 4, is brought into reaction with organic polyisocyanates in the presence of a foam stabilizer, a catalyst and a blowing means comprising methylformate, wherein a cross-linker/extender and/or an amine catalyst with delayed action is added to said reaction mixture. |
