C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 23/02 (2006.01) C08J 3/18 (2006.01) C08K 11/00 (2006.01) C08L 27/06 (2006.01) C08L 67/02 (2006.01) C08L 75/04 (2006.01) E04C 2/20 (2006.01) E04F 15/18 (2006.01)
Patent
CA 2713510
A thermal insulating and substantially moisture impermeable rigid extrusion comprising 40 to 75 wt% rice husks, a coupling agent, a lubricant, a plasticizer, and the balance a thermoplastic plastic, preferably a thermoplastic polyolefin plastic selected from the group consisting of high density polyethylene, low density polyethylene, linear low density polyethylene, homopolymer polypropylene, copolymer polypropylene, and combinations thereof. The rigid extrusion may be an elongated strip in the shape of a panel, a sheet, a board, a stud, a door frame jamb, a door frame header, an I- beam, a hollow post or beam with partially or fully encapsulated glass fibre reinforcing, a baseboard, a quarter-round, a cove molding, a fascia or a soffit. A preferred rigid extrusion has longitudinal tongue and groove side edges and longitudinal ribs and recesses formed across a face thereof substantially from one side edge to the other. The extrusion may be cut transversely to form a rectangular floor panel having a transverse tongue formed in one end and a mating groove formed in the other end for assembly of abutting panels together side-by-side and end-to-end to produce a continuous floor surface adapted for assembly with the ribbed surface facing downwardly.
de Zen Vic
Gowling Lafleur Henderson Llp
LandOfFree
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