Blue removal processing agent for wooden single plate and blue removal method of wooden single plate

A treatment method and technology of treatment agent, applied in wood treatment, wood treatment details, wood impregnation, etc., can solve the problem of little effect of blue change, and achieve the effect of strong resistance to loss, ensuring physical safety and low corrosiveness.

Active Publication Date: 2014-08-27
DEHUA TB NEW DECORATION MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the prior art, the method for wood decolorization is as described in the Chinese invention patent with the publication number CN101691042A (2010-04-07), but it has been proved by production practice that this method has little effect on the blue stain caused by iron pollution

Method used

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  • Blue removal processing agent for wooden single plate and blue removal method of wooden single plate

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] First configure the wood veneer blue treatment agent, the wood veneer blue treatment agent is composed of the following mass concentrations of substances mixed: sodium chloride 1%, NH 2 SO 3 H 0.04%, HOOCCOOH 0.7%, CH 3 COOH 0.2%, H 3 PO 4 0.5%, ethylenediaminetetraacetic acid 0.2%, sodium dihydrogen phosphate 0.1%, solvent is water. H 3 PO 4 Prepare H with a pH of 4 and a temperature of 45°C with water 3 PO 4 solution, and then pour the wood veneer deblueing treatment agent into CH 3 PO 4 The solution is prepared into a temporary liquid, and the wood veneer deblueing treatment agent and H in the temporary liquid 3 PO 4 The volume ratio of the solution is 1:3. During the treatment, first prepare sodium hydroxide water into a sodium hydroxide solution with a pH value of 9, then immerse the wooden veneer for 1 hour for pretreatment, and then immerse the pretreated veneer in the liquid for decolorization , the treatment time is 2 hours, during the decolorizatio...

Embodiment 2

[0026] With embodiment 1, difference is that described drying adopts solar drying; After drying, moisture content is controlled at 5%.

Embodiment 3

[0028] First configure the wood veneer blue treatment agent, the wood veneer blue treatment agent is composed of the following mass concentrations of substances mixed: sodium chloride 2%, NH 2 SO 3 H 0.11%, HOOCCOOH 0.8%, CH 3 COOH 0.3%, H 3 PO 4 0.7%, 0.3% ethylenediaminetetraacetic acid, 0.3% sodium dihydrogen phosphate, and the solvent is water. H 3 PO 4 Prepare H with a pH of 5 and a temperature of 50°C with water 3 PO 4 solution, and then pour the wood veneer deblueing treatment agent into CH 3 PO 4 The solution is prepared into a temporary liquid, and the wood veneer deblueing treatment agent and H in the temporary liquid 3 PO 4The volume ratio of the solution is 1:5. When processing, first prepare sodium hydroxide water into a sodium hydroxide solution with a pH value of 10, then immerse the wooden veneer for 1.5 hours for pretreatment, and then immerse the pretreated veneer in the liquid for decolorization Treatment, the treatment time is 3 hours, during t...

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Abstract

The invention relates to a treatment method for wood removal, and belongs to the technical field of wood treatment. A wood veneer deblueing treatment agent and a wood veneer deblueing treatment agent, the wood veneer deblueing treatment agent is composed of a mixture of substances with the following mass concentrations: NaCl1-3%, NH2SO3H0.04-0.18%, HOOCCOOH0 .7~0.9%, CH3COOH0.2~0.4%, H3PO40.5~0.9%, EDTA0.2~0.4%, sodium dihydrogen phosphate 0.1~0.5%, solvent is water. The invention can not only solve the problem of the wooden veneer turning blue, but also has uniform decolorization, simple and efficient decolorization method, low cost, environmental protection and pollution-free production process, and minimal damage to the wood itself.

Description

technical field [0001] The invention relates to a wood bluing treatment agent and a wood bluing treatment method, belonging to the technical field of wood treatment. Background technique [0002] At present, most of the logs used for decorative materials are artificial fast-growing materials, mainly including Ayous, poplar, basswood, etc. In the actual production process, due to log storage and mechanical processing, a large number of wooden veneers appear blue , have a strong impact on the utilization of raw materials and the quality of manufactured products. The blue color of wood is due to the adhesion of iron, because the phenolic components in the wood contact with iron, and a chemical reaction occurs to form blue substances, which leads to material color pollution. In the prior art, the wood decolorization treatment method is as described in the Chinese invention patent with the publication number CN101691042A (2010-04-07), but it has been proved by production practi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B27K3/52B27K3/02B27K5/04
Inventor 沈金祥卓艳杨勇王晓辉丁观芬
Owner DEHUA TB NEW DECORATION MATERIAL CO LTD
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