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A heat-modified anti-deformation home door panel and its production process

A production process and anti-deformation technology, applied in the field of board production and manufacturing, can solve the problems of poor inner carbonization effect, uneven heating of wood, difficult production operation, etc., and achieve the effect of improving dimensional stability, maintaining mechanical properties, and reducing brittleness

Active Publication Date: 2022-06-21
ZHEJIANG SHENGHUA YUNFENG GREENEO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, CN201610424557.7's "A Prestressed Carbonized Wood Plate with Creep Deformation Resistance and Its Preparation Method", in which the core board is subjected to perforation to reduce creep, but this method cannot be implemented in actual production operations. It reflects that the production operation is difficult and the steps are cumbersome
Another example is CN201910678670.1's "A Preparation Method for Reinforced, Flame-Retardant Carbonized Rubber Wood Sheets", carbonized wood squares, the inner carbonization effect is not good, and the carbonization is not comprehensive
At present, carbonization technology is mainly used in solid wood flooring products, but rarely used in solid wood ecological boards. The main reasons are: 1. The traditional carbonization technology is carried out by steam heating, and the wood cannot be heated evenly, and the processing cost is too high; 2. 1. The core material of solid wood ecological board is mostly low-density material, and the traditional carbonization effect is not good; 3. After carbonization, the board is brittle and not easy to process

Method used

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  • A heat-modified anti-deformation home door panel and its production process
  • A heat-modified anti-deformation home door panel and its production process

Examples

Experimental program
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Effect test

Embodiment 1

[0029] A production process of a thermally modified anti-deformation home door panel, comprising the following steps of implementation:

[0030] 1) Saw fir with a length of 25cm, a width of 6cm, and a core slat of a height of 1.2cm; the eucalyptus wood is cut into a middle board of 127mm*63mm, and the thickness is a middle board of 2.6mm;

[0031] 2) Use MJB-TF wood stabilizer to treat core slats and middle boards;

[0032] 3) Put the core slats and middle plates treated with the stabilizer in step 2) into the microwave drying kiln, and carry out dehydration of hemicellulose at a medium temperature of 150°C, with a power of 250w: the microwave drying kiln is maintained at a temperature of 150°C for 30min, keeping The microwave power is 1kw; after that, the water vapor is re-moisturized to a moisture content of 15%, and then kept at 150 °C for 3 minutes, and the microwave power is 150w, repeated twice; finally, the gradient cooling is carried out at a rate of 2 °C / h, and the te...

Embodiment 2

[0040] A production process of a thermally modified anti-deformation home door panel, comprising the following steps of implementation:

[0041] 1) Saw Chinese fir to 25cm long, 6cm wide, and 1.2cm high core slats; spin eucalyptus into 127mm*63mm medium boards, with a thickness of 2.6mm;

[0042] 2) Use MJB-TF wood stabilizer to treat core board and middle board;

[0043] 3) Put the core slats and middle plates treated with the stabilizer in step 2) into a microwave drying kiln, carry out dehydration of hemicellulose at a medium temperature of 150°C, and a power of 250w: raise the temperature of the microwave drying kiln to 150°C for 30 minutes, and keep the microwave The power is 1kw; after that, the water vapor is reconditioned to a moisture content of 15%, then carbonization is carried out at 150 °C for 3 minutes, and the microwave power is 150w, repeated twice; finally, the gradient cooling is carried out at a rate of 2 °C / h, and the temperature is maintained for 7 days. ...

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Abstract

The invention provides a production process of a heat-modified anti-deformation home door panel. The structure of the home door panel consists of a core layer, a middle layer, a balance layer and a finish layer; the production process of the heat-modified anti-deformation home door panel includes the use of MJB‑TF wood stabilizer treats the core slats and middle boards and puts them into a microwave drying kiln for dehydration and carbonization; by using wood stabilizers, the original physical structure of wood (that is, internal stress) is destroyed, and its fiber toughness is increased. Improve the parallel extension tension of its wood fibers, keep the wood stable, and reduce the brittleness of the wood caused by carbonization; add steam rehydration process in the microwave high-frequency carbonization treatment process, so that the carbonization degree of each part of the board is more uniform, effectively improve the dimensional stability, and maintain the board All mechanical properties are stable.

Description

technical field [0001] The invention belongs to the field of plate production and manufacture, and in particular relates to a thermally modified and anti-deformation home door panel. Background technique [0002] With the development of the times, the home customization industry has ushered in an upgrade, but at present, most of the large-scale customized home boards are MDF or particle boards, and MDF and particle boards are relatively low-grade compared to solid wood panels, which cannot be satisfied Consumer demand for customized solid wood products. [0003] Due to the different wood species, the fiber, density and strength of wood are also different. After home decoration, problems such as shrinkage and warpage often occur with the change of the environment. Over the years, people have been conducting research on improving the dimensional stability and heat resistance of wood, and great progress has been made. Especially in recent years, carbonized wood products have b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B27M3/18B27M1/08B27D1/04B27D1/06B27D1/08B27M1/06B32B21/14B32B21/02B32B21/04B32B21/06B32B29/00B32B38/00B32B37/06B32B37/10B32B37/12B32B37/08
CPCB27M3/18B27M1/08B27D1/04B27D1/06B27D1/08B27M1/06B32B21/14B32B21/02B32B21/042B32B21/06B32B29/00B32B38/00B32B38/0004B32B37/06B32B37/10B32B37/1284B32B37/08B32B2479/00
Inventor 唐雨枫戴雪枫顾孔杰高水昌姜全建李兴福贾翠英桂成胜沈云芳施晓宏
Owner ZHEJIANG SHENGHUA YUNFENG GREENEO
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