Patent ID: 7951441
Filing Date: 2011-05-31
Classification: E04F,Y10T

Abstract:
1. A compound flooring of only two non-adhesive layers comprising: a top layer of wood veneer and a bottom layer of a low foaming unplasticized polyvinyl chloride (UPVC), the bottom layer processed without heavy metal processing aids and having a thickness ranging from about 6 to about 13 mm, wherein the bottom layer is bonded only to the top layer with a polyvinyl acetate polymer adhesive containing no formaldehyde and no triphenyl wherein the bottom layer comprises a material composition in a finished state of the following: a PVC between about 60 to 90 weight share; a CaCO a Methyl Methacrylate-Butyl Acrylic-Butyl Methacrylate Ternary copolymer between about 5 to 12 weight share; an organic tin between about 0 to 4.0 weight share, or a rare earth composite stabilizer between about 1 to 5 weight share; PE wax between about 0.1 to 1.0 weight share; a stearic acid between about 0.1 to 1.0 weight share.