Bamboo plastic composite furniture board preparation method and bamboo plastic composite furniture board

Abstract

The invention discloses a bamboo plastic composite furniture board preparation method which includes the following steps: (1) modification of raw materials: modifying a bamboo powder, to obtain a modified bamboo powder; and modifying epoxy resin, to obtain modified epoxy resin; (2) mixing of the raw materials: mixing the modified bamboo powder and the modified epoxy resin with PVC, acetel, a plasticizer ACR, a light stabilizer, an UV absorbent, an external lubricant and an internal lubricant to obtain a mixture A; (3) extrusion granulation: carrying out granulation extrusion of the mixture A,to obtain a special material for the bamboo plastic composite furniture board; and (4) extrusion molding: adding the special material for the bamboo plastic composite furniture board into a mold, andcarrying out extrusion molding, to obtain the bamboo plastic composite furniture board. In the preparation method, the bamboo powder and the epoxy resin are modified firstly. The modified bamboo powder and modified epoxy resin obtained after modification have good thermal stability and good wear resistance. The bamboo powder in the used raw materials is cheap, safe and environmentally friendly.

Description

technical field [0001] The invention belongs to the technical field of functional polymer materials, and in particular relates to a preparation method of a bamboo-plastic composite furniture board and a bamboo-plastic composite furniture board prepared by the method. Background technique [0002] At present, the global market value of furniture panels has exceeded 50 billion US dollars. The marketization of bamboo-plastic furniture boards can make an important contribution to alleviating the tension of global resources (especially forest resources), reducing environmental pollution and improving resource utilization. According to the plant and food-based renewable resource technology roadmap of the US Department of Energy, by 2020, the utilization rate of plant-based renewable resource materials in the basic chemical building materials in the United States should reach 10%, and by 2050 this data will reach 10%. 50%. It can be seen that materials derived from renewable reso...

AI Technical Summary

Problems solved by technology

However, most of the products sold in the market today are WPC boards, but there are many insurmountable defects in WPC boards, which need to be further improved and improved.

For example: (1) In the WPC preparation process, wood is mainly used as a filler for modified plastics. Fundamentally speaking, WPC is not a wood material, but a petroleum material; The compatibility between wooden materials is very poor, resulting in low mechanical strength of its products, usually the tensile strength, bending strength and impact strength of WPC are lower than those of unfilled plastics; (3) The extrusion molding of thermoplastic WPC is difficult , the preparation quality stability is poor, and the scrap rate is high; (4) The ratio of plastics in WPC is relatively large, and there are currently no products with high filling or ultra-high filling and at the same time have excellent mechanical properties and obvious cost performance; (5) Most of the thermosetting In the preparation process of WPC products, urea-formaldehyde resin, phenolic resin and other toxic, harmful and serious formaldehyde emission polymer materials are used.