Coating timber with Chinese fir wood as raw material

A raw material and wood technology, applied in wood treatment, humidity control wood, lignin coating, etc., can solve the problems of precious tree species or wild wood damage, insufficient economic value, poor paint and bonding performance, etc., to achieve waterproof effect Good, increase the scope of application, the effect of smooth and delicate appearance

Inactive Publication Date: 2015-03-25
重庆家和琴森木业有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] Due to the well-developed resin pipe diameter of fir, high oil content, large deformation of wood, serious warping and cracking when dry, not resistant to corrosion, and even overflowing oil and pollution on the surface of the material when the temperature is high, resulting in poor paint and bonding performance; The texture is obvious, and the color of early wood and late wood is inconsistent, so that it is difficult to cover with water-based paint, which affects the quality of wood products, so

Method used

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  • Coating timber with Chinese fir wood as raw material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Firstly, the Chinese fir wood is cut and sawed into lumber with a length of 100cm and a thickness of 2cm; after stacking the wood and wood shavings, immerse them in an aqueous solution of lime and boil them continuously for 5 hours, then rinse them in clean water, and then immerse them in an aqueous solution of hydrogen peroxide for a continuous period of time. Boil for 5 hours, then rinse in clear water to obtain degreased Chinese fir wood and Chinese fir trim; wherein the concentration of the lime aqueous solution is 20%, and the concentration of the hydrogen peroxide solution is 1‰; then the steam drying kiln The internal temperature is adjusted at 68°C, and water vapor is sprayed into the steam drying kiln to make it saturated, and then the fir wood and wood trim are placed in the steam drying kiln to fully absorb water. After 25 hours, the water absorption of the fir wood reaches saturation, and then Stop spraying water vapor, adjust the temperature in the steam dry...

Embodiment 2

[0023] Firstly, the Chinese fir wood is cut and sawed into lumber with a length of 200cm and a thickness of 5cm; after stacking the wood and wood shavings, immerse them in the lime solution and boil continuously for 5.5 hours, then rinse them in clean water, and then immerse them in the hydrogen peroxide solution continuously. Boil for 5.5 hours, then rinse in clear water to obtain degreased Chinese fir wood and Chinese fir trim; wherein the concentration of the lime aqueous solution is 20%, and the concentration of the hydrogen peroxide solution is 1‰; then the steam drying kiln The internal temperature is adjusted at 70°C, and water vapor is sprayed into the steam drying kiln to make it saturated, and then the degreased fir wood and wood trim are placed in the steam drying kiln to fully absorb water. After 28 hours, the water absorption of the fir wood reaches saturation. state, then stop spraying water vapor, adjust the temperature in the steam drying kiln at 65°C, and keep ...

Embodiment 3

[0027] Firstly, the Chinese fir wood is cut and sawn into a wood with a length of 300cm and a thickness of 6cm; the wood and wood trim are stacked and then immersed in an aqueous lime solution and boiled continuously for 6 hours, then rinsed in clean water, and then immersed in a hydrogen peroxide solution for a continuous period of time. Boil for 6 hours, then rinse in clear water to obtain degreased fir wood and fir trim; wherein the concentration of the lime aqueous solution is 20%, and the concentration of the hydrogen peroxide solution is 1‰; then the steam drying kiln The internal temperature is adjusted at 72°C, and water vapor is sprayed into the steam drying kiln to make it saturated, and then the degreased fir wood and wood trim are placed in the steam drying kiln to fully absorb water, and the water absorption of the fir wood reaches saturation after 30 hours state, then stop spraying water vapor, adjust the temperature in the steam drying kiln at 67°C, keep the kiln...

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Abstract

The invention discloses coating timber with Chinese fir wood as a raw material, and belongs to the technical field of wood-based panel production. The coating timber is obtained through the eight procedures of drying, material preparing, sanding, repairing, coating, recoating, secondary sanding and spray coating. The coating timber has the advantages that the timber is repaired with ultra-thin fine Chinese fir powder as a main raw material and a contact medium of the timber and paint, and the paint and Chinese fir can be easily and fully integrated; the paint is made into primarily-coating paint and secondarily-coating paint according to two proportions, the annular ring expansion is controlled through the primarily-coating paint, and the outer surface of the coating timer can be kept smooth and fine through the secondarily-coating paint; through detection, the coating timber is fine, smooth and compact in coating structure, strong in flame retardant property, uniform in coating, high in impact resistant capacity, resistant to scraping and pollution, good in waterproof effect and capable of not only improving performance of the Chinese fir but also greatly enlarging the application range of the Chinese fir; the due economic value of the coating timber can be brought into full play, and conditions are created for protecting wild timber and forests.

Description

technical field [0001] The invention belongs to the technical field of wood board production, in particular to a coated wood made of fir wood. Background technique [0002] Due to the well-developed resin pipe diameter of fir, high oil content, large deformation of wood, serious warping and cracking when dry, not resistant to corrosion, and even overflowing oil and pollution on the surface of the material when the temperature is high, resulting in poor paint and bonding performance; The texture is obvious, and the color of early wood and late wood is inconsistent, so that it is difficult to cover with water-based paint, which affects the quality of wood products, so it is rarely used in furniture. At present, it is mainly used for building formwork, ore pillars, boards, packing boxes, matchsticks, Plywood, etc., or as a raw material for man-made fiberboard. [0003] However, fir, as a fast-growing economic forest, is widely planted in most mountainous areas of our country. ...

Claims

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Application Information

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IPC IPC(8): B27M1/08B27K5/00B27K1/02B27G1/00B05D7/06B05D3/02C09D197/02C09D103/02C09D163/10C04B26/02C04B14/28C04B16/02
CPCB27M1/08B05D3/02B05D7/06B27G1/00B27K1/02B27K5/00C04B14/28C04B16/02C04B26/02C09D103/02C09D163/10C09D197/02
Inventor 刘耀伦
Owner 重庆家和琴森木业有限公司
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