Bamboo magnesite cement composite plate and its manufacture method

Abstract

The invention discloses a bamboo magnesite cement composite board and a manufacturing method thereof. The existing plates are inferior in composite characteristics of intensity, rigidity, density and smoothness and inferior in reuse rate. The chip material and the magnesite cement are taken as the raw materials in the invention. The bamboo strip or bamboo filament is embedded into the magnesite cement as the reinforced material; the chip material is mixed into the cement and taken as the filling material. The magnesite cement is taken as the bonding and reinforcing material to mix the three kinds of materials, which form sandwich layer of the plates. The prefabricated bamboo mat and finish coat are pasted to the upper and lower surfaces and the hot compacting is carried out. The manufacturing method of the invention reduces raw material consumption of bamboo and improves complex utilization rate of recourses. The plates have the advantages of high strength, high hardness, high smoothness, middle density, etc. The product made by the manufacturing method can be broadly used in templet, wrapping plate, partition plate, carriage plate, etc.

Description

technical field [0001] The invention relates to the field of artificial boards, in particular to a bamboo magnesite cement composite board and a manufacturing method thereof. Background technique [0002] Bamboo has the advantages of high strength, high hardness, rich resources, and can replace wood. Bamboo waste and bamboo chips have the characteristics of good filling, uniform expansion, sound insulation, and heat insulation. Therefore, the two are widely used in the panel industry. At present, the wood-based panels produced by bamboo and bamboo chips are divided into plywood, laminated board and particle board according to their structure and processing technology. The first two boards use bamboo as the main raw material. After splitting into pieces, they are glued and hot-pressed into boards. The strength and hardness are good, but there are large consumption of raw materials and high processing requirements. Bamboo glue formwork (plywood) has defects such as large gap...

AI Technical Summary

Problems solved by technology

The strength and hardness are good, but there are large consumption of raw materials and high processing requirements. Bamboo glue formwork (plywood) has defects such as large gaps, large thickness errors, and low turnover times; bamboo curtain panels (laminated panels) have rough surfaces and often cannot be used. Meet the flatness requirements of the building surface

Particle boards use bamboo chips as the main raw material, and the bamboo chips are mixed with glue and then cold-pressed or hot-pressed into boards. The consumption of bamboo materials is low, the cost is low, and the flatness is high. However, there are defects in the mechanical strength of the product, which cannot be used as a building Performance requirements for formwork, car body panels and other bamboo and wood panels with heavy loads, low reuse rate

The cement board made of magnesite cement has the advantages of low cost and high hardness, but the disadvantage is that it is too heavy, lacks flexibility, and is easy to break

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