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Bamboo-wood composite board with high-strength bamboo plywood coated on the surface and manufacturing method thereof

A bamboo-wood composite and plywood technology, which is applied in the field of composite boards, can solve the problems of decay, variability, loose and uneven materials, etc., and achieve the effects of high surface finish and flatness, increased added value of products, and long-lasting use time

Active Publication Date: 2014-08-13
ZHUJI GUANGYU BAMBOO IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Due to the short growth period of fast-growing wood, fast-growing plantation wood generally has small diameters, many knots, loose and uneven materials, low strength, and large shrinkage. Large, deep cracks, resulting in unstable product quality and failure to fully utilize the value of the material

Method used

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  • Bamboo-wood composite board with high-strength bamboo plywood coated on the surface and manufacturing method thereof
  • Bamboo-wood composite board with high-strength bamboo plywood coated on the surface and manufacturing method thereof
  • Bamboo-wood composite board with high-strength bamboo plywood coated on the surface and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] The structure of the bamboo-wood composite container floor covered with high-strength bamboo plywood is as follows: image 3

[0028] The manufacture method of the bamboo-wood composite container bottom plate covered with high-strength bamboo plywood is as follows:

[0029] a. Sorting and finishing of eucalyptus veneers, bamboo curtains, and bamboo mats. The moisture content of eucalyptus veneers is ≤8%. Add 10% flour, and add an appropriate amount of insecticide to the glue, the amount of glue is 250-380g / m 2 ,; and dry bamboo curtains and mats with different thicknesses to a moisture content below 12%, impregnated with phenolic glue and dry them at low temperature to a moisture content below 16% (bamboo curtain) and 20% (bamboo mat);

[0030] b. Assembling and hot pressing of bamboo plywood. Bamboo mats and curtains are assembled. The structure is that the top layer is a layer of bamboo mats, and the bottom is six layers of 1.2mm longitudinal bamboo curtains. The te...

Embodiment 2

[0039] The structure of the bamboo-wood composite truck compartment railing covered with high-strength bamboo plywood is as follows: Figure 4

[0040] The manufacturing method of the bamboo-wood composite truck compartment railing plate covered with high-strength bamboo plywood is as follows:

[0041]Sorting and finishing of fir veneers, bamboo curtains and bamboo mats. The moisture content of fir veneers is ≤12%. According to the requirements, fir veneers are coated with phenolic resin glue on both sides during secondary molding, and the amount of glue applied is 300g / m 2 ,; and dry bamboo curtains and mats with different thicknesses to a moisture content below 12%, impregnated with phenolic glue and dry them at low temperature to a moisture content below 16% (bamboo curtain) and 20% (bamboo mat);

[0042] b. Assembling and hot pressing of bamboo plywood. Bamboo mats and curtains are assembled. The structure is that the top layer is a layer of bamboo mat, and the bottom is ...

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Abstract

The present invention relates to the technical field of composite boards, in particular to bamboo-wood composite boards for secondary molding, including a veneer layer, a bamboo plywood layer and a bamboo curtain layer. Board, transverse grain eucalyptus veneer or longitudinal fir veneer; bamboo plywood layer includes second bamboo plywood or third bamboo plywood; bamboo curtain layer includes longitudinal bamboo curtain, transverse bamboo curtain or bamboo mat. It can effectively utilize timber in my country and all over the world, such as various coniferous and broad-leaved timber in natural forests and plantations, as well as bamboo resources with fast growth, short cycle, selective cutting every year, and long sustainable utilization time. Combining these materials, through scientific design and reasonable combination, can not only solve the problem of hardwood shortage in the world, but also solve the problem of mass production of passenger car floor, container floor, truck car railing, etc. that meet the requirements.

Description

technical field [0001] The invention relates to the technical field of composite boards, in particular to bamboo-wood composite boards subjected to secondary molding. Background technique [0002] Due to the short growth period of fast-growing wood, fast-growing plantation wood generally has small diameters, many knots, loose and uneven materials, low strength, and large shrinkage. Large and deep cracks lead to unstable product quality and fail to give full play to the value of the material. Bamboo resources are the woody plants with the fastest growth rate, the easiest reproduction and the shortest maturity period on the earth. It has the characteristics of one successful afforestation, which can be selectively cut every year and used sustainably without damaging the ecological environment. In particular, among the bamboo resources in the world, the moso bamboo forests have the highest industrial utilization value and the best performance, and the moso bamboo forests that ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B21/14
Inventor 刘俊朱其孟徐卫楚徐国根石宿见
Owner ZHUJI GUANGYU BAMBOO IND