Disclosed is an article that includes at least one polymeric substrate assembled on at least one layer of silicone polymer, characterized in that at least one of the polymeric substrate or the layer of silicone polymer has been brought into contact with particles of titanium dioxide, magnesium oxide and/or zinc oxide, before assembly of the article, and in that at least one of the polymeric substrate or the layer of silicone polymer has been brought into contact with water before or after assembly of the article. Also disclosed is a method of preparing the article, as well as the use of particles of titanium dioxide, magnesium oxide and/or zinc oxide, for improving the adherence between a polymeric substrate and a layer of silicone polymer.