Use of an aqueous polyurethane dispersion as an adhesive

Details Use of an aqueous polyurethane dispersion as an adhesive Use of an aqueous polyurethane dispersion as an adhesive

C - Chemistry, Metallurgy

09

J

C09J 175/04 (2006.01) C08K 5/56 (2006.01)

Patent

CA 2121959

Abstract of the Disclosure: Aqueous dispersions contain- ing a polyurethane which in essentially composed of a) organic polyisocyanates, b) polyhydroxy compounds having a molecular weight of from above 500 to 5,000 g/mol, c) compounds having at least one group reactive toward isocyanate and having at least one ionic group or group convertible into an ionic group and d) if required, compounds which differ from (c) and have at least two functional groups reactive toward isocyanate and a molecular weight of from 60 to 500 g/mol, and at least one chelate complex comprising a polyvalent metal as the central atom and a polydentate ligand are used as an adhesive.

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