PHOSPHOROUS COMPOUNDS CONTAINING POLYURETHANE FOAMS

Polyurethane, which is obtained by mixing (a) polyisocyanate, (b) polymeric compounds with isocyanate-reactive groups, (c) catalysts containing incorporable amine catalysts, (d) phosphoric acid ester (I), polyphosphate (II), phosphonic acid ester (III) and/or phosphorous acid ester (IV) and optionally (e) blowing agents, (f) chain-extending and crosslinking agents and/or (g) auxiliaries and/or additives to obtain a reaction mixture, and reacting the reaction mixture, is new. Polyurethane, which is obtained by mixing (a) polyisocyanate, (b) polymeric compounds with isocyanate-reactive groups, (c) catalysts containing incorporable amine catalysts, (d) phosphoric acid ester of formula ((R1-O) 3-P=O) (I), polyphosphate of formula (-[P(O)(O-R11 +>)-O] n ->) (II), phosphonic acid ester of formula ((R3)(R2-O) 2-P=O) (III) and/or phosphorous acid ester of formula ((R4-O) 3-P) and optionally (e) blowing agents, (f) chain-extending and crosslinking agents and/or (g) auxiliaries and/or additives to obtain a reaction mixture, and reacting the reaction mixture to form the polyurethane, is new R1 : organic group comprising at least one phenyl, at least one phosphoric acid (polyalkylphosphate with ethylene oxide) or their esters and/or N, O, F, Cl or Br; n : 2-1000; R11 +>alkali metal cation or ammonium cation; R3 : organic group comprising N, O, F, Cl or Br; R3 : H or aromatic, 1-10C (cyclo)aliphatic group; and R4 : organic group comprising N, O, F, Cl or Br. An independent claim is also included for producing polyurethane by the above mentioned method.