Patent ID: 8809406
Filing Date: 2014-08-19
Classification: B02C,B29B,B29K,B29L,B32B,C08G,C08J,C08L,E04C,Y02P,Y02W,Y10T

Abstract:
1. A composite building material comprising: from about 20% to about 98% carpet waste, by weight of the composite; from about 0% to about 25% fire retardant, by weight of the composite; from about 0% to about 25% colorant, by weight of the composite; from about 0% to about 50% inorganic filler, by weight of the composite; from about 0% to about 50% fiberglass in addition to any inorganic filler, by weight of the composite; and from about 2% to about 20% binding agent, by weight of the composite, in intimate association with the carpet waste and any fire retardant, colorant, inorganic filler, and fiberglass, the binding agent selected from the group consisting of methylenedipheyldiisocyanate (MDI), urea formaldehyde (UF), melamine urea formaldehyde (MUF), and phenol formaldehyde (PF), wherein the composite building material comprises an external surface comprising at least one surface feature selected from the group consisting of a molded patterned surface, an embossed patterned surface, and a hot-stamped layer.