Composite element comprising A. a thermoplastic adjoined in adhering fashion by B. a product of the reaction of a reaction mixture comprising i. an isocyanate component, comprising one or more polyisocyanates, ii. an isocyanate-reactive component comprising 11.1) a first polyether polyol having a molecular weight of at least 6000 g/mol, obtainable from the reaction of a starter molecule or a mixture of starter molecules having an OH functionality of 1.8-3.5 with ethylene oxide and propylene oxide, wherein the proportion of ethylene oxide, based on the total amount of ethylene oxide and propylene oxide, in the first polyether polyol is 10-28% by weight, ii.2) one or more polyester polyols having a functionality of greater than 2, and a hydroxyl number of 60-150 mg KOH/g, based on the condensation of adipic acid with 1,2-propylene glycol and at least one further compound having at least two hydroxyl groups, ii.3) 1,4-butanediol, ii.4) diethylenetoluenediamine, ii.5) optionally further polyether polyols, ii.6) optionally chain extenders and/or crosslinking agents, ii.7) optionally catalysts, ii.8) optionally blowing agents, ii.9) optionally auxiliaries and/or additives. A. a thermoplastic adjoined in adhering fashion by B. a product of the reaction of a reaction mixture comprising i. an isocyanate component, comprising one or more polyisocyanates, ii. an isocyanate-reactive component comprising 11.1) a first polyether polyol having a molecular weight of at least 6000 g/mol, obtainable from the reaction of a starter molecule or a mixture of starter molecules having an OH functionality of 1.8-3.5 with ethylene oxide and propylene oxide, wherein the proportion of ethylene oxide, based on the total amount of ethylene oxide and propylene oxide, in the first polyether polyol is 10-28% by weight, ii.2) one or more polyester polyols having a functionality of greater than 2, and a hydroxyl number of 60-150 mg KOH/g, based on the condensation of adipic acid with 1,2-propylene glycol and at least one further compound having at least two hydroxyl groups, ii.3) 1,4-butanediol, ii.4) diethylenetoluenediamine, ii.5) optionally further polyether polyols, ii.6) optionally chain extenders and/or crosslinking agents, ii.7) optionally catalysts, ii.8) optionally blowing agents, ii.9) optionally auxiliaries and/or additives. i. an isocyanate component, comprising one or more polyisocyanates, ii. an isocyanate-reactive component comprising 11.1) a first polyether polyol having a molecular weight of at least 6000 g/mol, obtainable from the reaction of a starter molecule or a mixture of starter molecules having an OH functionality of 1.8-3.5 with ethylene oxide and propylene oxide, wherein the proportion of ethylene oxide, based on the total amount of ethylene oxide and propylene oxide, in the first polyether polyol is 10-28% by weight, ii.2) one or more polyester polyols having a functionality of greater than 2, and a hydroxyl number of 60-150 mg KOH/g, based on the condensation of adipic acid with 1,2-propylene glycol and at least one further compound having at least two hydroxyl groups, ii.3) 1,4-butanediol, ii.4) diethylenetoluenediamine, ii.5) optionally further polyether polyols, ii.6) optionally chain extenders and/or crosslinking agents, ii.7) optionally catalysts, ii.8) optionally blowing agents, ii.9) optionally auxiliaries and/or additives. 11.1) a first polyether polyol having a molecular weight of at least 6000 g/mol, obtainable from the reaction of a starter molecule or a mixture of starter molecules having an OH functionality of 1.8-3.5 with ethylene oxide and propylene oxide, wherein the proportion of ethylene oxide, based on the total amount of ethylene oxide and propylene oxide, in the first polyether polyol is 10-28% by weight, ii.2) one or more polyester polyols having a functionality of greater than 2, and a hydroxyl number of 60-150 mg KOH/g, based on the condensation of adipic acid with 1,2-propylene glycol and at least one further compound having at least two hydroxyl groups, ii.3) 1,4-butanediol, ii.4) diethylenetoluenediamine, ii.5) optionally further polyether polyols, ii.6) optionally chain extenders and/or crosslinking agents, ii.7) optionally catalysts, ii.8) optionally blowing agents, ii.9) optionally auxiliaries and/or additives.