| 摘要 |
<p>The present invention relates to a method for producing flame-retardant polyurethane foam materials, preferably for producing flame-retardant polyurethane soft foam materials, from A1) a filler-containing polyether polyol (component A1.1), wherein the filler material is a reaction product of diisocyanate or polyisocyanate having a compound comprising hydrogen atoms reactive with respect to isocyanates, and optionally further compounds comprising hydrogen atoms reactive to isocyanates, said compounds having a molecular weight of 400 - 18000 (component A1.2); A2) optionally compounds comprising hydrogen atoms reactive with respect to isocyanates, said compounds having a molecular weight of 62 - 399; A3) water or physical foaming agent; A4) red phosphorus; A5) optionally auxiliary agents and additives such as a) catalysts; b) surface-active additives; c) one or more additives selected from the group consisting of retarding agents, cell regulators, pigments, colorants, flame-retardant agents different from component A4, stabilizers against aging and atmospheric influences, softeners, substances having fungistatic and bacteriostatic effects, fillers and separating agents, and B diisocyanates or polyisocyanates, wherein no ammonium polyphosphate is utilized, and wherein the resulting polyurethane foam materials have excellent aging properties and high flame-retardant properties.</p> |
