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Weather-proof paulownia wood hardening treatment method

A technology of hardening treatment and paulownia, applied in wood treatment, wood heat treatment, wood hardening process, etc., can solve the problems of poor mechanical properties, low wood density, soft material, etc., achieve strong water resistance and weather resistance, increase mechanical properties, good structural stability

Inactive Publication Date: 2017-12-01
阜南县中信柳木工艺品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Paulownia wood has beautiful texture, smooth surface, and good dimensional stability, but because it is a fast-growing wood, it has defects such as low wood density, such as soft material and poor mechanical properties. , The demand for Paulownia with good mechanical properties is increasing, and higher requirements are put forward for Paulownia wood, not only for its structure and mechanical properties, but also for its rebound rate, water resistance, weather resistance and how to maintain Aesthetically pleasing wood textures are now a technical problem to be solved

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A weather-resistant paulownia wood hardening treatment method, comprising the following:

[0019] (1) Process the plate to 1.2 times the required thickness, and control its water content to 16.8%. The water content control method is to make the plate under the condition of 68 ° C for forced convection treatment;

[0020] (2) Immerse the plate to be processed in the treatment container, which is equipped with a magnetization device, and the water is treated for 18 minutes by a high-gradient magnetic field with a magnetic field strength of 22,000 Gauss, and then dried until the water content is 18% for later use;

[0021] (3) After mixing mica, tetraethyl orthosilicate, and oxyindene resin in a weight ratio of 5:2:1, add it to water equivalent to 23 times its total weight at a temperature of 80°C, and disperse evenly with a mechanical vibrating screen. and stirred at a rotating speed of 45 rpm for 28 minutes to obtain a treatment solution;

[0022] (4) Put the plate into...

Embodiment 2

[0026] A weather-resistant paulownia wood hardening treatment method, comprising the following:

[0027] (1) Process the plate to 1.2 times the required thickness, and control its water content to 15.4%. The water content control method is to make the plate under the condition of forced convection at a temperature of 65°C;

[0028] (2) Immerse the plate to be processed in the treatment container, which is equipped with a magnetization device, and the water is treated for 15 minutes by a high-gradient magnetic field with a magnetic field strength of 20,000 gauss, and then dried until the water content is 20% for later use;

[0029] (3) After mixing mica, tetraethyl orthosilicate, and oxyindene resin in a weight ratio of 5:2:1, add it to water equivalent to 25 times its total weight at a temperature of 80°C, and disperse evenly with a mechanical vibrating screen. and stirred at a rotating speed of 40 rpm for 30 minutes to obtain a treatment solution;

[0030] (4) Put the plate ...

Embodiment 3

[0034] A weather-resistant paulownia wood hardening treatment method, comprising the following:

[0035] (1) Process the plate to 1.2 times the required thickness, and control its water content to 18.2%. The water content control method is to make the plate under the condition of forced convection at a temperature of 70°C;

[0036] (2) Immerse the plate to be processed in the processing container, and the processing container is equipped with a magnetization device, and the water is treated for 20 minutes by a high-gradient magnetic field with a magnetic field strength of 24,000 gauss. After taking it out, dry it until the water content is 15-20% for later use. ;

[0037] (3) After mixing mica, tetraethyl orthosilicate, and oxyindene resin in a weight ratio of 5:2:1, add it to water equivalent to 20 times its total weight and a temperature of 75°C, and disperse evenly with a mechanical vibrating screen. and stirred at a rotating speed of 50 rpm for 25 minutes to obtain a trea...

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Abstract

The invention belongs to the technical field of Paulownia wood treatment, and in particular relates to a weather-resistant Paulownia wood hardening treatment method, which includes treatment with a magnetization device, vacuum impregnation with a treatment liquid and hot pressing. Compared with the prior art, the present invention has the following advantages: the crystalline structure of the fiber is destroyed through the treatment of the magnetization device, and the scope of the amorphous zone is enlarged; It chemically reacts with the hydrophilic hydroxyl group, allowing more water and other substances to immerse in the amorphous area, weakening the force between the crystalline area and the amorphous area, and increasing the mechanical properties of Paulownia wood. After hot pressing, the board has After a certain rebound, the obtained paulownia wood reaches the required thickness, the error range is within ±1mm, the surface forms a dense structure, the overall structure is stable, and it has strong water resistance and weather resistance.

Description

technical field [0001] The invention belongs to the technical field of Paulownia wood treatment, and in particular relates to a weather-resistant Paulownia wood hardening treatment method. Background technique [0002] Paulownia wood has beautiful texture, smooth surface, and good dimensional stability, but because it is a fast-growing wood, it has defects such as low wood density, such as soft material and poor mechanical properties. , The demand for Paulownia with good mechanical properties is increasing, and higher requirements are put forward for Paulownia wood, not only for its structure and mechanical properties, but also for its rebound rate, water resistance, weather resistance and how to maintain Aesthetically pleasing wood textures are now a technical problem to be solved. Contents of the invention [0003] The purpose of the present invention is to provide a kind of weather-resistant paulownia wood hardening treatment method aiming at the existing problems. ...

Claims

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Application Information

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IPC IPC(8): B27K3/08B27K3/50B27K5/00B27K5/04B27K5/06B27D3/00
CPCB27K3/08B27D3/00B27K3/50B27K5/0025B27K5/0085B27K5/04B27K5/065
Inventor 张学清
Owner 阜南县中信柳木工艺品有限公司
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