KR100729611B1 - A dyeing method of a pattern wood tree single borad - Google Patents

Abstract

A single wood veneer board dyeing method is provided to standardize the color and pattern of veneers, to increase durability, and to decrease the change of color. The single wood veneer board dyeing method comprises a refining step of refining a single wood veneer board with the mixture of NaOH(Sodium Hydroxide), a refining agent, a surfactant, a peroxide stabilizer, and the water(100); a bleaching step of bleaching the veneer board with the mixture of H2O2(Hydrogen Peroxide) and the water(200); a rinsing step of rinsing the veneer board with stable hexagonal water(300); a neutralizing step of treating the veneer board with CH3COOH(Acetic Acid), rinsing the veneer board with the stable hexagonal water, neutralizing the veneer board with an oxidation stabilizer, and rinsing the veneer board with the stable hexagonal water again(400); and a dyeing step of dyeing the veneer board with the desirable color, treating the veneer board with Na2SO4(Sodium Sulfite), fixing Na2CO3(Sodium Carbonate), rinsing the veneer board with the stable hexagonal water, neutralizing the veneer board with CH3COOH, soaping the veneer board with a soaping agent, rinsing the veneer soaping with the hexagonal water, and drying the veneer soaping by high-frequency vacuum, in order(500).

Description

A dyeing method of a pattern wood tree single borad}

1 is a flow chart showing the procedure of the dyeing method of veneer wood veneer according to the present invention,

Figure 2 is a flow chart showing the neutralization step in the dyeing method of veneer wood veneer according to the present invention,

Figure 3 is a flow chart showing the dyeing step in the method for dyeing veneer wood veneer according to the present invention,

4 is a cross-sectional view for illustrating the wood grain of a wooden board.

<Explanation of symbols for major symbols in the drawings>

100: refinement step 200: bleaching step

300: washing step 400: neutralization step

500: dyeing step 600: wood grain

The present invention relates to a method for dyeing veneer wood veneer, and more particularly, to a method for dyeing veneer wood veneer bonded to a wooden surface such as furniture through a process of refining (bleaching), washing, neutralizing and dyeing.

Conventionally, solid wood is lumbered, sliced, and cut to produce wood, veneer, wood roll, and woodboard, and the woodboard and woodwork thus produced are bonded to objects such as doors and stained or coated, coated, coated, and finished. .

Natural veneer is ebony, zebrano, walnut, bird eye maple, pine, rose, spruce, migraine, red pine, juniper, cherry, jade, oak, red oak, mansonia, oron, bubbling, makore, Saber, ash, skiing, red porcelain, teak, bamboo, paulownia, etc. are produced by lumbering, barking, slicing, cutting and cutting. The veneer can feel intimacy with natural beauty and soft texture. Fragrance) activates the body and promotes blood circulation and metabolism to give physiological and psychological stability and comfort.

In addition, it absorbs ultraviolet rays to protect the eyes, and is not only resistant to chemicals and toxic gases, but also has good sound absorption, which improves indoor acoustic properties, and creates a pleasant space by controlling humidity inside and outside. In addition, it has a climate control ability, so it is cool in summer, warm in winter, porous organic material, low thermal conductivity, and is a good insulator, and emits far infrared rays more than ocher soil.

In addition, it is safe because there is no emission of poison gas in case of fire, and it is easy to replace or repair the damaged part during use, and well-dried wood can be used for more than 100 years. The color difference is big, the deterioration phenomenon that changes from the sun (ultraviolet) to the unsightly color is severe, and the tannin component of the wood is severely polluted, so it appears well after painting.

In the conventional bleaching method,

 1) fruit bleaching

      end. Surfactant: 0.5 ~ 1% OWF

      I. Caustic Soda: 70%, 2-3%

      All. Over water stabilizer: 1%

      la. Hydrogen peroxide: 4-8%

With the same prescription as above, you can treat it for 30 to 60 minutes at 90 ℃ ~ B.P. PH 10 ~ 11 degree

2) chlorite bleach

      end. Surfactant: 0.5% OWF

      I. Fisheries: 1%

      All. Formic acid (glacial acetic acid): 2%

      la. Hydrochloric acid: 8%

Treat it for 60 minutes at 90 ° C with the prescription above.

1) -1 After fruit bleaching, all residual fruit must be removed before dyeing, which can be easily removed by adding 0.5 g / l sodium hyposulfate 10 minutes before the bleaching bath. have. In addition, when no reagent is used, residual hydrogen peroxide is removed by washing with hot / cold water.

      1) -2 When bleaching fruit, the higher the temperature, the higher the number of alkali cells. However, it is good not to exceed 90 degreeC. Care should be taken as the fabric may be jammed by the generator oxygen, resulting in uneven bleaching of the scouring.

      1) -3 The better you do the pretreatment, the better it will help to prevent staining.

      2) -1 Hydrochloric acid bleaching Residual chlorine should be removed. Hypo (acidic hypochlorite) can be added 10 minutes after the bleaching bath is removed.

      2) -2 Bleaching of hydrochloric acid The same as 1) -2, and chlorine gas is generated when bleaching of hydrochloric acid.

      2) -3 To remove this chlorine gas, there is a method of making a gas outlet and spraying water to absorb it.

Explaining the above used drugs,

1) Surfactant: RCOONa petroleum based detergent.

2) Caustic Sodium: NaOH Strong Alkaline. Be careful of exothermic reaction with water.

3) Hydrogen peroxide: H ₂ O ₂ oxidative bleach.

4) Fisheries: It is used to remove (COOH) 2 rust and iron is removed from hot water above 70 ℃.

5) Formic acid: HCOOH is called formic acid because there is discrete in the body. (Gangsan)

6) HCl, chlorine gas generated during reaction as oxidizing bleach.

7) Glacial acetic acid: CH3COOH Frozen in winter.

Looking at the reaction of bleach

1) H ₂ O ₂ Bleaching: H ₂ O ₂ → H ₂ O + O ↑ -------- Generator oxygen is bleaching.

2) -1 chlorite bleaching: When you see the decomposition under the acid of sodium chlorite

1) NaClO2 + H ₂ O → NaOH + HClO2

                                    Acid catalyst

           2) 5HClO2 → 4ClO2 + HCl + 2H2O

           3) 4ClO2 + 2H2O → 4HCl + 100

           4) NaClO2 → NaCl + 2O

             You can adjust PH 3-4 here.

2) -2 dechlorination reaction (acidic hypochlorous acid) NaHSO 3

Cl2 + H ₂ O + Na2SO3 → Na2SO4 + 2HCl

       Acidic sodium sulfite decomposes in aqueous solution to form sulfurous acid, become acidic and exhibit reducing properties.

       2NaHSO3 = H2SO3 + Na2SO3

       Na 2 SO 3 is dechlorinated.

Wood veneer refers to a thin wooden board of uniform thickness produced by methods such as rotary cutting, slicing or lumbering from solid wood, large lumber, and engravings.

The slicing of the veneer is cut by a vertical horizontal cutting machine, a fixed wood cutting machine, or a complete rotary cutting machine. The cutting method is determined according to the species and the characteristics of the required wood, and various kinds are produced, but mainly in Europe and North America. It is imported from Japan, and the types of veneer include natural veneer, artificial veneer and dyed veneer.

(1) how to cut veneer

Rotary: Solid wood is cut in the center of a lathe and rotated by sharp blades as if it were unrolled from a roll of paper. In this method, various patterns of wood are produced because the cutting proceeds according to the annual rings of wood. Rotationally cut end plates are very wide.

Flat slicing: Semi-solid or carved material is fixed flatly on the backing plate of the cutting machine, and slicing is done in parallel through the center of the wood. The pattern produced in this way is called woodblock.

Quarter Slicing: Quarter slicing is placed on the backing plate so that it is almost perpendicular to the blade. This method produces a series of parallel or straight patterns.

Quarter Cut: Quarter-turned end plates obtain a split or comb-toothed effect by cutting approximately 15 ° inclined at a quarter-circle position to avoid small shards of radial tissue. The pattern obtained from the quarter turn is called the staple.

Half round slicing: A variant of rotary cutting, in which a piece of wood or a piece of wood is slightly off-centered on a lathe. Semicircle slicing demonstrates the combined characteristics of rotary and flat slicing veneer.

(2) thickness and use of veneer

Although the thickness of the veneer is various, 0.18mm is mainly produced in Korea, and is used the most. Single veneer veneer imported from Europe and North America has more than 0.5mm veneer, which is expensive compared to 0.18mm and is used only for luxury furniture.

0.18mm veneer Use: 0.18mm veneer is mainly used to adhere to the side plates, doors, shelves, fingerboard, etc. among the interior and exterior materials of furniture. It is very easy to buy or glue, but it is hard to get natural wood texture than 0.5mm.

For 0.5mm veneer veneer: 0.5mm is not used for furniture side panels or interior materials because of its high price. Its thickness is more than 0.18mm, so the texture is close to solid wood.

(3) Kind of veneer

The kinds of veneer used in modern furniture include natural veneer, artificial veneer and dyed veneer. Natural veneer refers to the veneer produced in wood, and there are various types. Artificial veneer is characterized by making a variety of patterns artificially to compensate for the shortcomings of natural veneer, and the price is also cheap, there is an advantage that can be used to replace the natural veneer, but there is a problem that must be imported entirely.

Dyed veneer refers to a veneer made of various colors even if the natural veneer is chemically dyed to get rid of the original natural color of the veneer.

Next, the types of veneer are as follows.

Natural veneer: Generally used for furniture, and there are many varieties. The thickness of veneer is 0.18mm, 0.5mm.

Artificial veneer: It is a veneer produced by Alpi, Italy, and it is used by furniture companies because of artificial processing of wood and various artificial patterns not found in natural veneer. Its standard size and uniform quality make it convenient to use.

Dyed veneer: Dyed veneer is a veneer produced mainly by Tabu, Italy. It is dyed with various colors on the veneer by chemical treatment on natural veneer, and it is possible to make furniture with colored veneer that is not found in natural veneer. It is an advantage. Because of the high cost of veneer, it is desirable to select only a portion of the furniture design.

However, these various veneers are dyed according to the color desired by the user.Dyeing is unstable because dyeing spreads along the wood grain of the wood veneer during the dyeing process. There is a problem that must be boiled continuously at a constant temperature, and the color of each lot is uneven, and when dyeing the natural veneer, it is difficult to recycle the dye residues remaining on the surface of the veneer, so it must be disposed of as it is. (Standing, water quality, human body), and if the veneer is not washed with water immediately after dyeing is completed, defects such as water fringes and stains may occur due to dye residue.

On the other hand, in the drying method of dyeing and drying the veneer, the drying method using natural drying and drying room is used. In the case of natural drying, the drying method should be dried for about 24 hours under the shaded and well-ventilated environmental conditions. As a result, there is a problem that a lot of distortion and cracking of the veneer.

In addition, the drying method using a drying chamber is expensive, and natural veneers having a thickness of 0.5 mm or less are not used because they are wound on the belt and the transfer roller or the grains are cracked due to the pressure of the transfer roller. With the development, there is a tendency to reduce the cost by producing a plate, veneer of less than 0.3 mm thickness, there is a problem that this bleaching dyeing drying problem becomes more difficult.

In addition, in the conventional general paper paper dyeing method of dyeing by rotating the cylindrical processing machine by the driving means, it is possible to dye the fabric paper by a forced rotation type, but when dyeing the wooden veneer, the wood veneer is Since it was damaged, it was impossible to dye wood veneer by such a machine.

The present invention for solving the above problems is made of a step of refining, bleaching, washing, neutralizing, dyeing step, in the dyeing step by adding a yellow, red, blue pigments sequentially by a circulation device Its purpose is to dye and make use of the liveliness by making the texture of boards, veneers and wood, which were difficult to dye, as it is.

In order to achieve the above object, the present invention provides a method of dyeing veneer wood veneer cut to a predetermined thickness according to the present invention, the veneer wood veneer with a mixture of sodium hydroxide (NaOH), a refining aid, a surfactant, a fruit water stabilizer and water. Refining step of refining the step, the bleaching step of bleaching the wood veneer through the refining step with a mixture of hydrogen peroxide (H ₂ O ₂ ) and water, the water washing step of washing the wood veneer through the bleaching step with a stable hexagonal water, the washing step The wood veneer was subjected to acid treatment with acetic acid (CH ₃ COOH), then washed with a stable hexagonal water, neutralized with a super-neutralizing agent, and then washed with water using a stable hexagonal water. Neutralization step, the dye treatment to dye the wood veneer through the neutralization step to the desired color, sodium sulfate (Na ₂ SO ₄ ) Treatment with penetrant, fixation with sodium carbonate (Na ₂ CO ₃ ), washing with stable hexagonal water, neutralization with acetic acid (CH ₃ COOH), shopping treatment with shopping agent, washing with stable hexagonal water Is mixed with water is made sequentially, characterized in that consisting of a dyeing step is finished by drying treatment using high frequency vacuum compression.

In one preferred feature according to the invention, the refining step, sodium hydroxide (NaOH) 1.5 ~ 9g / L, refining aid (OKL) 0.5 ~ 8g / L, surfactant (A-510) 0.1 ~ 5g / l and the fruit water stabilizer (TRILON STB-100) is mixed at a rate of 0.4 ~ 8g / ℓ characterized in that the treatment at 32 ~ 140 minutes at a temperature of 25 ~ 115 ℃.

As a preferred feature according to the invention, the bleaching step is characterized in that bleaching hydrogen peroxide (H ₂ O ₂ ) 5 ~ 30g / L at 25 ~ 115 ℃ 32 to 140 minutes.

According to another preferred feature of the present invention, the washing step is characterized in that the stable hexagonal water below the turbidity of 40 P.P.M is washed with 25 to 60 ℃ for 5 to 40 minutes.

In another preferred feature according to the invention, the neutralization step, acid treatment of acetic acid (CH ₃ COOH) 0.1 ~ 58g / L for 5 to 40 minutes at 25 ~ 60 ℃, stable hexagonal water of less than 40 PPM turbidity Water was washed at 25 to 60 ° C. for 5 to 45 minutes, neutralized 0.06 to 3 g / L at 25 to 85 ° C. for 10 to 60 minutes, and stable hexagonal water with a turbidity of 40 PPM or less. It is characterized in that the water treatment for 5 to 45 minutes at 25 ~ 60 ℃.

In another preferred feature according to the invention, the dyeing step, by dyeing the yellow (K3rs), red (K3bs), blue (K-bf) in accordance with the ratio for 4 to 60 minutes at 15 ~ 60 ℃ , 5 to 90 g / l sodium sulfate (Na ₂ SO ₄ ) at 15 to 60 ° C. for 30 to 120 minutes, and sodium carbonate (Na ₂ CO ₃ ) 1 to 65 g / l to 25 to 90 ° C. for 15 to 60 minutes After treatment, washed with a stable hexagonal water of 40 PPM or less at 25 ~ 90 ℃ 15 to 60 minutes, and neutralized 0.1 to 5 g / L acetic acid (CH ₃ COOH) at 25 to 60 ℃ for 5 to 40 minutes , Shopping treatment (Trisoap-ST) 0.1 ~ 10g / ℓ at 50 ~ 110 ℃ for 3 to 30 minutes, and again washed a stable hexagonal water of less than 40 PPM in water at 25 ~ 90 ℃ for 15 to 60 minutes, It is characterized in that the vacuum compression (C㎡ / 1.5kg) is dried for 40 hours at 40 ~ 60 ℃.

Hereinafter, with reference to the accompanying drawings will be described in detail with respect to the method of dyeing veneer wood veneer according to the present invention.

1 is a flow chart showing the order of the method of dyeing veneer wood veneer according to the present invention, Figure 2 is a flow chart showing the neutralization step in the method of dyeing wood veneer according to the present invention, Figure 3 is a veneer wood veneer according to the present invention Flow chart showing the dyeing step in the dyeing method of Figure 4 is a cross-sectional view for showing the wood grain of the wooden board.

In the present invention, all processes except for the drying process, which is the last of the dyeing step to be described later, are dyed by the 'Applicant's name: pattern wood plate dyeing device' filed by the present applicant, and briefly referring to the dyeing device, a tank having a predetermined size The outlet and inlet are formed in the tank, and the circulation device, heat exchanger, stirring device, and air bubble supply device are installed, and the wooden veneer to be dyed is inserted in the tank into the tank where the receiving space is formed at regular intervals. We propose a method of dyeing wood veneer with hexahedron (H ₂ O) and adding and circulating the necessary chemicals in each step.

Refining step (100) is to treat the veneer wood veneer cut to a predetermined thickness in an aqueous solution of 9g / ℓ of sodium hydroxide (NaOH) for 50 minutes at 60 ℃, refinement treatment aid for removing oil (product name: OKL) 3g / l aqueous solution was treated at 70 ° C. for 35 minutes, and 2.5 g / l aqueous solution of surfactant (product name: A510) was treated at 85 ° C. for 40 minutes, and an aqueous solution of 8 g / l was used as an over water stabilizer (product name: TRILON STB-100). This is treated for 60 minutes at 95 ℃ to remove impurities, proteins, fats, sugars, intrinsic materials, resin suspended solids through the step (100) to prevent the non-uniform dyeing.

The bleaching step 200 is to completely bleach the wood veneer by treating an aqueous solution of 30 g / l of hydrogen peroxide (H ₂ O ₂ ) at 40 ° C. for 40 minutes. to be.

Next, the washing step 300, using a stable hexagonal water (water; H ₂ O) with a turbidity of 40 PPM or less and washed with water at a room temperature of 25 ~ 60 ℃ 20 minutes to complete the remaining chemicals after the finishing step is completed To get rid of it.

Neutralization step 400 is an acid treatment (410), washing water treatment 420, neutralization treatment (430), and further washing water treatment 440 proceeds sequentially, the acid treatment 410 is acetic acid (CH ₃ COOH ) 0.1 ~ 5g / L acid treatment at 25 ℃ for 45 minutes to completely remove the alkali, iron is removed and then washed with water (H ₂ O) for 30 minutes at room temperature (420).

The neutralization treatment 430 is treated with a 1.7 g / ℓ of over-water neutralizer (product name: TRILON Net-101) at 25 ~ 85 ℃ for 45 minutes, at which time aerobic occurs during post-processing and drying if not completely removed by checking the residual amount of fruit Because it can be removed completely and the water treatment 440 for 30 minutes at room temperature using the softened water.

The dyeing step 500 is to dye yellow (product name: Jemical G / Yellow K3RS), red (product name: Jemical RED K-3BS), and blue (product name: Jemical N / blue k-BF) in order to dye. A certain amount is added in accordance with the ratio of the desired color, which is shown in FIG. 4, since the wood grain is formed at a lower density than the other side, the conventional method, that is, after mixing the dye of the desired color, spray method. In the case of dyeing with the wood grain (600), the dyeing state is unstable, and there is a difficulty in dying the color darker than the desired color by the spreading or absorption of the wood.

However, in the present invention, by dyeing the dye dye in the dyeing step 500 in the order of dark color, that is, blue → red → yellow to circulate by the dye in the reaction order of the dye, the color is stable on the surface where the wood grain is formed It can be dyed and rich in color, aesthetics and vitality while maintaining the texture of wood.

Next, the sodium sulfate (Na ₂ SO ₄ ) 5 ~ 90g / L at room temperature for 90 minutes penetrant treatment (520), slowly dispersing to prevent non-uniform dyeing, sodium carbonate (Na ₂ CO for fixing process 530) ₃ ) 1 ~ 65 g / ℓ aqueous solution is treated for 100 minutes at 25 ~ 90 ℃ to satisfy the conditions for the dye to sufficiently adhere, washing the water (540) at room temperature for 30 minutes while speeding up the flow of water, the alkaline component The aqueous solution of 5 g / L acetic acid (CH ₃ COOH) is neutralized (550) for 30 minutes at room temperature so as not to remain.

When the neutralization treatment 550 is completed, the shopping agent (product name Trisoap-ST) 5 g / L aqueous solution for 5 minutes at 95 ° C. for 35 minutes to remove the unfixed dye, thereby providing excellent penetration and cleaning power of the dye. It is added to remove undyed dyes and at the same time to prevent reattachment of the removed dyes to enhance the various fastnesses of the dyes.

Washing treatment (570) for 20 minutes at 25 ~ 60 ℃ once again for 30 minutes, and finally dried at 50 ℃ at 50 ℃ C580 / 1.5kg using a high-frequency vacuum press after the washing treatment (570) (580) As a result, there is no dry yellowing and the wood density is increased and sterilized.

In the conventional drying process, a mechanical drying method using a natural drying or a drying chamber is used. In the case of natural drying, the warp or cracking occurs due to poor ventilation or environmental changes such as humidity. There was a problem to consider the huge equipment cost when using, but by using a high-frequency vacuum compression dryer can be carried out a stable drying treatment while significantly reducing the production equipment without being affected by the surrounding environment.

As described above, the method of dyeing the veneer wood veneer of the present invention was able to effectively dye using acid dyes and reactive dyes, and can effectively improve the overall veneer by separating and removing impurity dye residues.

The dyeing method as described above can maintain a clean color after dyeing veneer wood veneer, and dyeing the veneer can give a great satisfaction to consumers by equipping the standardization of color, less change in color and good texture, lively Excellent, standardization of color / pattern / standard, less deterioration and contamination of veneer, no hardening and poor coating due to removal of pentosan, uniformity of stain and coating, easy standardization and set-up It is suitable for mass work. In addition, the same pattern and the same color veneer can be produced in a large amount at a time can greatly contribute to productivity and cost reduction.

On the other hand, the present invention is not limited to the described embodiments, it is apparent to those skilled in the art that various modifications and variations can be made without departing from the spirit and scope of the present invention. Therefore, such modifications or variations will have to belong to the claims of the present invention.

The present invention by the method as described above can make the color of the veneer, standardization, standardization of the pattern, the durability is increased, the color change is less, resolves many complaints of consumers and eliminates the hardening and coating defects, stain treatment And coating is uniformly well suited for large-scale work, there is an effect that can greatly reduce the occurrence of defects, such as cracks after construction.

Claims (7)

Dyeing method of veneer wood veneer cut to a predetermined thickness comprising the following steps: (a) refining the veneer wood veneer with a mixture of sodium hydroxide (NaOH), a refining aid, a surfactant, an overwater stabilizer and water; (b) a bleaching step of bleaching the wood veneer that has undergone the refining step with a mixture of hydrogen peroxide (H ₂ O ₂ ) and water; (c) a washing step of washing the wood veneer that passed through the bleaching step with a stable hexagonal water; (d) The wood veneer that has undergone the washing step is acid treated with acetic acid (CH ₃ COOH), washed with stable hexagonal water, neutralized with a super-water neutralizer, and washed again with a stable hexagonal water. A neutralization step made by sequentially mixing with water; (e) dyeing the wood veneer through the neutralization step to a desired color, penetrating agent treatment using sodium sulfate (Na ₂ SO ₄ ), fixation treatment using sodium carbonate (Na ₂ CO ₃ ), washing with water using a stable hexagonal water , Neutralization treatment using acetic acid (CH ₃ COOH), shopping treatment using a shopping agent, water washing treatment using a stable hexagonal water is sequentially mixed with water, the dyeing step of finishing by drying treatment using high-frequency vacuum compression; Dyeing method of veneer wood veneer, characterized in that consisting of. The method of claim 1, wherein the refining step, Sodium Hydroxide (NaOH) 1.5 ~ 9g / l, 0.5L ~ 8g / L refining aid (OKL), 0.1 ~ 5g / L surfactant (A-510) and 0.4 ~ 8g TRFON STB-100 A method of dyeing veneer wood veneer, characterized in that the treatment at 32 ~ 140 minutes at a temperature of 25 ~ 115 ℃ by mixing at a ratio of / l. The method of claim 1, wherein the bleaching step, A method of dyeing veneer wood veneer, characterized in that the hydrogen peroxide (H ₂ O ₂ ) 5 ~ 30g / ℓ bleached at 25 ~ 115 ℃ for 32 to 140 minutes. The method of claim 1, wherein the washing step, A method of dyeing veneer wood veneer, characterized by rinsing a stable hexagonal water of less than or equal to 40 P.P.M of turbidity at 25 to 60 ° C for 5 to 40 minutes. The method of claim 1, wherein the neutralizing step, Acid treatment with acetic acid (CH ₃ COOH) 0.1 ~ 58g / ℓ at 25 ~ 60 ℃ for 5 to 40 minutes, washed with a stable hexagonal water of less than 40 PPM of 5 ~ 45 minutes at 25 ~ 60 ℃, over-water neutralizer (TRILON Net-101) 0.06 ~ 3g / ℓ neutralized treatment at 25 ~ 85 ℃ for 10 to 60 minutes, and again a stable hexagonal water with a turbidity of 40 PPM or less at 25 ~ 60 ℃ for 5 to 45 minutes How to dye wood veneer. According to claim 1, The dyeing step, Blue (K-bf), red (K3bs), and yellow (K3rs) were added to the ratio for 4 to 60 minutes at 15 to 60 ℃, and sodium sulfate (Na ₂ SO ₄ ) 5 to 90 g / l was added to 15 ~ 30 to 120 minutes at 60 ℃ treated with penetrant, 1 to 65 g / ℓ of sodium carbonate (Na ₂ CO ₃ ) at 25 to 90 ℃ fixed for 15 to 60 minutes, and stable hexagonal water of less than 40 PPM of turbidity 25 to 90 Wash with water at 15 ° C. for 15 to 60 minutes, neutralize 0.1 to 5 g / l of acetic acid (CH ₃ COOH) at 25 to 60 ° C. for 5 to 40 minutes, and add 50 to 10 g / l of shopping agent (Trisoap-ST). Shop at 110 ° C for 3 to 30 minutes, again wash stable hexagonal water with a turbidity of 40 PPM or less at 25 to 90 ° C for 15 to 60 minutes, and apply high frequency vacuum compression (Cm2 / 1.5kg) to 40 to 60 ° C. Dyeing method of veneer wood veneer, characterized in that the drying time. A method of dyeing veneer wood veneer, comprising the following steps: inserting and fixing in a water tank in which a receiving part is formed at a predetermined interval to fix the veneer wood veneer cut to a predetermined thickness, (a) a refining step of refining the wood veneer; (b) bleaching the bleached wood veneer; (c) a washing step of washing the wood veneer through the bleaching step; (d) a neutralization step of neutralizing the wood veneer passed through the washing step; (e) dyeing step of dye-treated by adding a predetermined amount to the ratio of the color in the order of blue, red, yellow after the neutralized wood veneer; Dyeing method of veneer wood veneer, characterized in that consisting of.

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