Low-density wood-plastic composite shaving board and manufacture method thereof

Abstract

The invention discloses a low-density wood-plastic composite shaving board and a manufacture method thereof. The shaving board comprises the following components in parts by weight: 5 to 200 parts of expandable polystyrene, 200 to 600 parts of wood shavings (50 to 100 parts of surface shavings, 150 to 500 parts of core shavings), 1.5 to 5 parts of coupling agent, and 4 to 10 parts of adhesive. The manufacture process comprises the following steps of: drying the wood shavings until the water content is between 2 and 5 percent; separating the wood shavings into surface shavings and core shavings by virtue of separation equipment, wherein the surface shavings are glued to serve as a surface material, and the core shavings are subjected to surface treatment by using the coupling agent and mixed with EPS (expandable polystyrene) to serve as a core material; and producing the low-density wood-plastic composite shaving board by virtue of assembling, pre-pressing and thermal-press molding. Compared with a common shaving board, the product has the advantages of low density, excellent physical and mechanical performances, good water repellency and environmental friendliness and simple production process, can be produced on an existing shaving board production line, and can be widely used as furniture materials, package materials and wall materials.

Description

technical field [0001] The invention belongs to the field of composite materials, and more specifically relates to a low-density wood-plastic composite particleboard and a manufacturing method thereof. Background technique [0002] Most particleboard products use urea-formaldehyde resin glue, so there is formaldehyde release, and the density of particleboard products on the market is 0.5g.cm -3 Above, waterproof performance and dimensional stability are unsatisfactory at the same time. Wood-plastic composite material is a new type of wood material made of polyethylene, polypropylene and polyvinyl chloride mixed with a certain amount of waste plant fibers such as wood powder, rice husk, straw, etc., and then processed by extrusion, molding, injection molding, etc. Processing technology, the produced plate or profile. Wood-plastic composite materials are widely used in interior decoration and outdoor use because of their dual advantages of wood and plastic. [0003] The inv...

AI Technical Summary

Problems solved by technology

[0004] The invention with the publication number "102020862A" discloses a low-density wood-plastic composite material and its manufacturing method. The composite material uses EPS and wood fiber composite, and the fiber that has not been glued in the production of MDF is selected. The production of raw materials Complicated, at the same time, wood fiber and EPS are mixed and sizing is carried out, which increases the production cost to a certain extent