Patent ID: 6461469
Filing Date: 2002-10-08
Classification: B27K,C08L,D21H,D21J

Abstract:
A method of manufacturing a finished product from a lignocellulosic material selected from the group consisting of a length of a lignocellulosic material; lignocellulosic particles or fibres; and softboard; including the steps of:(1) impregnating the lignocellulosic material with a impregnating composition comprising: (i) a thermosetting resin dissolved in a suitable non-aqueous solvent; and (ii) a styrene polymer dissolved in a suitable non-aqueous solvent, wherein the styrene polymer is a homopolymer of styrene or a copolymer of styrene with acrylonitrile, butadiene or both acrylonitrile and butadiene, or a mixture of styrene homopolymer and said styrene copolymer; (2) removing from the impregnated lignocellulosic material any excess of the impregnating composition; and (3) removing the non-aqueous solvent or solvents.