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Method for manufacturing bamboo and wood composite container bottom plate by using thick bamboo curtain substrate as core

A container floor, bamboo and wood composite technology, applied in the joining of wooden veneers, manufacturing tools, wood processing utensils and other directions, can solve the problems of energy consumption, glue and labor, etc. short cycle effect

Inactive Publication Date: 2012-07-18
ZHUJI GUANGYU BAMBOO IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These two types of container bottom plates require more thin bamboo curtains, and need to be dipped and then dried, which consumes more energy, glue volume and labor

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The manufacturing method of the bamboo-wood composite container floor with the thick bamboo curtain substrate as the core is as follows:

[0021] a. Sorting and finishing of wooden veneers, the moisture content of wooden veneers is ≤8%, according to the required double-sided coating of phenolic glue, the amount of glue applied is 250-350g / m 2 , aging or low-temperature drying, add 2.4 grams of insecticides to 1 kilogram of glue (solid content 45%) in the glue;

[0022] b. Blank assembly, from outside to inside: one layer of longitudinal grain veneer, two layers of longitudinal grain wood veneer, one layer of transverse grain wood veneer, followed by a layer of longitudinal grain wood veneer, with thick bamboo curtain substrate in the middle; Then carry out hot pressing at a temperature of 135-150° C. and a maximum pressure of 2.0 MPa, keep it for 18-20 minutes, and then exhaust steam and pressure.

[0023] After conventional post-processing, the finished composite cont...

Embodiment 2

[0029] The manufacturing method of the bamboo-wood composite container floor with the thick bamboo curtain substrate as the core is as follows:

[0030] a. Sorting and finishing of wooden veneers and bamboo curtains. The moisture content of wooden veneers is ≤8%. According to the required double-sided coating of phenolic glue, the amount of glue applied is 250-350g / m 2 , aging or low-temperature drying; and drying the bamboo curtains to a moisture content below 12%, impregnated with phenolic glue and low-temperature drying to below a moisture content of 20%, adding 2.4 grams of phenolic acid to the glue according to 1 kg of glue (solid content 45%) Insecticide;

[0031] b. Blank assembly, from outside to inside: one layer of longitudinal grain veneer, one layer of longitudinal grain wood veneer, one layer of longitudinal grain bamboo curtain, one layer of transverse grain wood veneer, and then a layer of longitudinal grain bamboo curtain , with a thick bamboo curtain substrat...

Embodiment 3

[0038] The manufacturing method of the bamboo-wood composite container floor with the thick bamboo curtain substrate as the core is as follows:

[0039] a. Sorting and sorting of wooden veneers, bamboo curtains, and bamboo mats, the moisture content of wooden veneers is ≤8%, and double-sided coating of phenolic glue is required, and the amount of glue applied is 270g / m 2 , aging or low-temperature drying; and dry the vertical grain bamboo curtain and bamboo mat to a moisture content of less than 12%, impregnated with phenolic glue and dry at a low temperature to a moisture content of less than 20%, and use 1 kg of glue in the glue (solid content 45%) Add 2.4 grams of insecticide;

[0040] b. Blank assembly and hot pressing, from the outside to the inside: one layer of bamboo mat, one layer of longitudinal grained wooden veneer, followed by two layers of longitudinal grained bamboo curtain, followed by a layer of horizontal grained wooden veneer, with a middle layer of Thick b...

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Abstract

The invention provides a method for manufacturing a bamboo and wood composite container bottom plate by using a thick bamboo curtain substrate as a core. The bamboo and wood composite container bottom plate is manufactured by using the thick bamboo curtain as a core plate after processing a thick bamboo curtain by sands to remove bamboo yellow and bamboo green on the surface layer of the thick bamboo curtain and carrying out thickness defining and then compounding 6 to 12 layers of veneers or bamboo curtains on the surface layer of the thick bamboo curtain. The method has the advantages that not only can a great amount of thick bamboo curtains be utilized, but also the nonuniform thickness of the plate, which is caused by bamboo yellow and bamboo green which influence gluing and the nonuniform thickness of the thick bamboo curtains, can be avoided; all the used thick bamboo curtains do not need to be impregnated in glue; the method has small glue using amount; a hot-charge hot-discharge process is adopted; the method has low energy consumption and high production efficiency; the raw material source of the bottom plate is widened; the manufactured composite container bottom plate has stable quality; and various performance indexes such as the strength, the elasticity modulus and the like of the bamboo and wood composite container bottom plate accord with the technical requirements of the international container industry.

Description

technical field [0001] The invention relates to a method for manufacturing a bamboo-wood composite container base plate with a thick bamboo curtain base plate as the core, and belongs to the technical field of wood-based panel manufacturing in the wood industry. Background technique [0002] The main load-bearing area of ​​a container is the bottom plate. The container manufacturing industry requires the bottom plate to have high mechanical properties, appearance quality, impact resistance and aging resistance. The existing bamboo-wood composite container floor has the following forms: the surface layer of patent ZL 98111153.x is a kind of bamboo-wood composite container floor with impregnated paper and bamboo mat; Density bamboo thin layer, then use it as the surface and back layer and then compound it with structural particle board or poplar veneer as the core for secondary heat pressing. These two types of container bottom plates all need more thin bamboo curtains, and a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27D1/08
Inventor 朱其孟许斌刘俊石宿见
Owner ZHUJI GUANGYU BAMBOO IND
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