The present invention relates to a biodegradable eco-friendly synthetic wood composite material having a high content of wood and being environmentally friendly and excellent in physical properties, and a method for producing the same. Specifically, the present invention relates to a biodegradable environmentally-friendly synthetic wood composite material produced by extruding a wood powder using a softwood or hardwood and a composition using a polymer compound such as polyethylenene, polypropylene, polystyrene, a flame retardant, or a cellulose fiber, will be. The present invention relates to a process for pulverizing a softwood or hardwood tree to a size of 20 to 50 mesh, Drying the pulverized material through the above steps at a moisture content of 0.1 to 5% by weight to form a wood powder material, (PE), polyethylene terephthalate (PET), polypropylene (PP), sulfonated polystyrene (SPS), or an aromatic polypropylene (OPP) RTI ID = 0.0 a / RTI & And then molding the composition into a composite material in a die after press-kneading the composition in an extruder. The present invention also provides a method of manufacturing a synthetic biodegradable synthetic wood composite material. The present invention also relates to a method for producing wood powder, A process in which 3 to 8 parts by weight of a biodegradable additive is mixed with 100 parts by weight of wood powder, And 2 to 5 parts by weight of a biodegradation accelerating additive is added to 100 parts by weight of the wood powder material to prepare a biodegradable synthetic wood composite material. The present invention also provides biodegradable eco-friendly synthetic wood composites produced by the above-described production method.
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