Patent ID: 7989516

Claim:
A composite element comprising, as a layer, i) at least one thermoplastic polymer, adhering to which, as a layer, ii) the product of the reaction of a reaction mixture comprising a) an isocyanate selected from the group consisting of (i) prepolymers containing isocyanate groups obtained from the reaction of at least one isocyanate and at least one phosphoric acid triester, in which at least one of the three ester groups is a hydroxyfunctional alkoxylate, the prepolymer having an isocyanate group content of about 5 to about 45%, and (ii) organic diisocyanates, b) in the case of a) (i) compounds reactive towards isocyanates or in the case of a) (ii) a mixture of compounds reactive towards isocyanates and at least one phosphoric acid triester in which at least one of the three ester groups is a hydroxyfunctional alkoxylate, and optionally one or more of c) catalysts d) blowing agents e) auxiliary substances and/or additives is attached, wherein the composite has a peel force of adhesion between layers i) and ii) greater than or equal to 2.5 N/cm, as measured according to DIN 53 357 A, after storage in warm and humid conditions.