A method of producing an adhesive element

摘要

It is an object of the invention to provide an adhesive element having an adhesive surface showing adhesive properties for adhering to a substrate wherein at least a part of the surface has been treated, resulting in alteration of the surface properties of the heat treated part of the surface. By heat treatment it is possible to provide an adhesive surface having parts showing different colour, water absorption properties, and/or adhesive properties.