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Coating method for improving aging resistance of poplar board

A coating method and anti-aging technology, which is applied in coating, wood treatment, impregnated wood, etc., can solve the problems of easy yellowing of wood, affect the use performance, reduce the service life, etc., and achieve the maintenance of mechanical strength and coating adhesion. Effects of hardening, prolonging service life, and enhancing chromaticity stability

Inactive Publication Date: 2017-12-15
安徽嘉美工艺品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Poplar has the advantages of light weight, high strength, good elasticity, long fiber and high content, and easy processing, so it has a wide range of uses. Many countries in the world have listed poplar as an important industrial raw material; poplar has poor aging resistance However, outdoor products such as outdoor wooden flooring and wooden exterior wall decoration materials are more and more favored by consumers. When used outdoors, a series of environmental factors will aggravate the aging of wood, making the wood prone to yellowing, gloss loss, The roughness increases, which greatly affects its performance and reduces its service life; therefore, a method to enhance the aging performance of poplar should be invented

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] In the embodiment of the present invention, a kind of coating method that strengthens the aging resistance of poplar board, concrete method is as follows:

[0017] (1) Soak the processed poplar board in calcium chloride solution for 55 minutes, take it out, and immerse it in ethanol solution for 75 minutes;

[0018] (2) Put the poplar board treated in step (1) into the condition of 120°C for constant temperature steam treatment for 15 minutes, raise the temperature to 190°C at a heating rate of 5°C / min and continue the constant temperature steam treatment for 28 minutes, take it out, and heat press dry;

[0019] (3) Immerse the poplar board treated in step (2) in the paint for 8 minutes, take it out, and dry it by microwave;

[0020] The coating is made of the following raw materials in parts by weight: 1.3 parts of tin powder, 1.7 parts of salicylaldehyde, 23 parts of polyvinyl chloride resin, 8 parts of petroleum resin, 12 parts of tert-butanol, 0.75 parts of seaweed...

Embodiment 2

[0025] In the embodiment of the present invention, a kind of coating method that strengthens the aging resistance of poplar board, concrete method is as follows:

[0026] (1) Soak the processed poplar board in calcium chloride solution for 58 minutes, take it out, and immerse it in ethanol solution for 78 minutes;

[0027] (2) Put the poplar board treated in step (1) into a constant temperature steam treatment at a temperature of 125°C for 16 minutes, raise the temperature to 195°C at a heating rate of 5.5°C / min and continue the constant temperature steam treatment for 29 minutes, take it out, and heat press dry;

[0028] (3) Immerse the poplar board treated in step (2) in the paint for 9 minutes, take it out, and dry it by microwave;

[0029] The coating is made of the following raw materials in parts by weight: 1.4 parts of tin powder, 1.8 parts of salicylaldehyde, 24 parts of polyvinyl chloride resin, 8.5 parts of petroleum resin, 13 parts of tert-butanol, 0.8 part of seaw...

Embodiment 3

[0034] In the embodiment of the present invention, a kind of coating method that strengthens the aging resistance of poplar board, concrete method is as follows:

[0035] (1) Soak the processed poplar board in calcium chloride solution for 60 minutes, take it out, and immerse it in ethanol solution for 80 minutes;

[0036] (2) Put the poplar board treated in step (1) into a constant temperature steam treatment at 130°C for 17 minutes, then raise the temperature to 200°C at a heating rate of 6°C / min and continue the constant temperature steam treatment for 30 minutes, take it out, and heat press dry;

[0037] (3) Immerse the poplar board treated in step (2) in the paint for 10 minutes, take it out, and dry it by microwave;

[0038] The coating is made of the following raw materials in parts by weight: 1.5 parts of tin powder, 1.9 parts of salicylaldehyde, 25 parts of polyvinyl chloride resin, 9 parts of petroleum resin, 14 parts of tert-butanol, 0.85 parts of seaweed polysacch...

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Abstract

The invention belongs to the technical field of wood treatment, in particular to a coating method for improving aging resistance of a poplar board. The coating method comprises the following specific steps: (1) the processed poplar board is dipped in calcium chloride solution for dipping, and is taken out to dip in ethanol solution; (2) the poplar board is processed by steam, and is taken out for hot pressing and drying; and (3) the poplar board is dipped in paint, and is taken out for microwave drying; and the paint is prepared by the following raw materials: tin powder, salicylaldehyde, polyvinyl chloride resins, petroleum resins, tertiary butanol, algal polysaccharides, acrylic emulsion, tetraethoxysilane and water. The coating method effectively improves corrosion resistance and worm damage resistance of the poplar board, improves the color thickness of the poplar board, greatly improves the surface strength and wear resistance of the poplar board, improves fire resistance and flame retardance of the poplar board, prolongs the service life of the poplar board, and improves the use performance.

Description

technical field [0001] The invention belongs to the technical field of wood treatment, in particular to a coating method for enhancing the aging resistance of poplar boards. Background technique [0002] Poplar has the advantages of light weight, high strength, good elasticity, long fiber and high content, and easy processing, so it has a wide range of uses. Many countries in the world have listed poplar as an important industrial raw material; poplar has poor aging resistance However, outdoor products such as outdoor wooden flooring and wooden exterior wall decoration materials are more and more favored by consumers. When used outdoors, a series of environmental factors will aggravate the aging of wood, making the wood prone to yellowing, gloss loss, The roughness increases, which greatly affects its performance and reduces its service life; therefore, a method to enhance the aging performance of poplar should be invented. Contents of the invention [0003] In view of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27K3/02B27K3/18B27K3/36B27K3/00B27K5/00B27K5/04B27K3/52C09D127/06C09D7/12
CPCB27K3/025B27K3/005B27K3/18B27K3/36B27K3/52B27K5/0055B27K5/0085B27K5/04B27K2240/20B27K2240/30B27K2240/70C08L2205/035C09D127/06C08L33/00C08K13/02C08K3/08C08K5/07
Inventor 潘传峰
Owner 安徽嘉美工艺品有限公司
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