Patent ID: 8470122
Filing Date: 2013-06-25
Classification: B32B,B44C,D21H,Y10T

Abstract:
1. A method for the production of an abrasion-resistant film, in particular for the production of laminate floor materials and abrasion-resistant furniture surfaces, comprising the following method stages: impregnating a decorative paper with an impregnation containing a first synthetic resin to form a moist impregnate; applying a wet particle-containing layer, which contains a second synthetic resin and a particulate abrasion-reducing material, to the moist impregnate to form a moist coated impregnate, wherein the second synthetic resin comprises a mixture of an acid-curing amino-formaldehyde resin and an isocyanate-crosslinking coating system; providing a first heat treatment to the moist coated impregnate whereby the first and second synthetic resins are partially cured to respectively form a predried impregnation and a predried particulate layer, wherein both the predried impregnation and the predried particulate layer form a heat treated product; applying a wet cover layer containing a third synthetic resin to the heat treated product to form an undried film; and providing a second heat treatment to the undried film whereby the first, second, and third synthetic resins are totally cured, and whereby an undried film is produced.