| abstract |
Process for the preparation of multilayered composite materials comprising, as components:n (A) a backing material, (B) optionally at least one tie layer and (C) a polymer layer,n nwhereinn a) a polymer layer (C) is formed using a mold, b) optionally at least one organic adhesive is applied all over or partially to backing material (A) and/or to polymer layer (C) and then c) polymer layer (C) is bonded with backing material (A) in point, strip or two-dimensional fashion,n npolymer layer (C) and/or the optionally at least one tie layer (B) being prepared from aqueous polymer dispersions which comprise at least one crosslinking agent C, the at least one crosslinking agent C being at least one polyisocyanate P which is blocked with at least one blocking agent BA. |