Patent ID: 6837950
Filing Date: 2005-01-04
Classification: B29B,B29K,B29L,B32B,C08F,C08G,Y02W,Y10S,Y10T

Abstract:
1. A method for processing a floor covering comprising a facecloth layer, a backing layer, and optionally an adhesive or precoat layer, wherein the floor covering comprises at least one layer containing a polyurethane formed by reacting a polyisocyanate and a first organic polyol, which comprises: contacting the floor covering with a second organic polyol_by disposing said second organic polyol onto the facecloth layer of the floor covering, heating the floor covering and second organic polyol by increasing the temperature of the floor covering and second organic polyol sufficiently to at least partially liquefy the polyurethane; and separating the facecloth layer from the backing layer by pulling said facecloth away from said backing layer.