JPH03221171A - Apparatus for surface coating of veneer decorative plywood - Google Patents

Abstract

PURPOSE:To densify the adhesion of a dye to the surface grain of veneer by electrostatically applying a sealer mixed with a specific amount of a colorant to the surface of veneer whose grain is conditioned and further electrostatically applying a color sealer mixed with a specific amount of a colorant thereto. CONSTITUTION:After the surface grain of veneer decorative plywood is conditioned, a sealer mixed with 10-20wt.% of a colorant is electrostatically applied to the plywood to perform sealing coloration. Subsequently, a color sealer mixed with 10-20wt.% of a colorant is electrostatically applied thereto. Thereafter, paint such as a transparent sealer, urethane sanding, polyester, colored urethane flat or transparent urethane flat same as conventional one is applied. In the aforementioned electrostatic coating treatment, the generation of irregularity on the surface of veneer is eliminated even when paint high in the mixing ratio of a colorant is used and paint can be uniformly and densely bonded to the surface grain of the veneer.

Description

[Detailed description of the invention] (Field of use in violet industry) The present invention relates to a surface coating method for decorative plywood.

(Prior Art) Even though decorative plywood is not made of solid wood, it is intended to look like solid wood and give off a sense of luxury.

Therefore, even when painting, a finish that is no different from that of solid wood is required.

However, since the board in decorative plywood is an extremely thin material that is glued to plywood, the depth of the wood grain is shallow even if the surface is painted by normal means. Paints such as fillers and coloring agents cannot be applied to the thick areas, making it difficult to create sufficiently large patterns, and therefore it is especially difficult to create a pattern similar to that of solid wood. A careful painting process is required, which is specifically performed in the following steps.

(1) Do the Sakijiki Ill. (2) Next, apply a coloring agent to the first eye with a brush, and then wipe it off to apply the first color. (3) Next, apply a transparent sealer with a spray gun. (4) Next, the color tint is deepened by applying a color sealer (the proportion of the coloring agent is about 2% to 3% by weight) multiple times using a spray gun. (5) Next, apply a transparent sealer with a spray gun. Note that this treatment is performed in the case of polyester and semi-cloth, and is not performed in the case of urethane sanding and open. (6) Then urethane sanding or polyester coating. (7) Next, perform final polishing. (There are some cases where the process ends after only a few steps.6) (8) Next, wash with a 15-cleaner. (9
) Finally, paint the urethane; rat.

(Problem to be solved by the invention) In the conventional painting method described above, most of the painting process is done using a spray gun, which is time-consuming, tends to cause uneven coloring on the painted surface, and also wastes a lot of paint. It is.

In addition, in the eyelid coloring process, there is the presence of an eyelid agent, and the Qf of the colorant and the proportion of people are large, which makes it impossible to perform the process with a spray gun. Therefore, you must apply it with a brush and wipe it off! This results in a lot of effort and waste of paint.

Furthermore, since the color solar painting process is done using a spray gun, it is necessary to apply the color sealer several times to apply the sealer mixture, which requires a lot of effort.

It is an object of the present invention to provide a method for painting the surface of a decorative plywood panel, which can solve the above-mentioned problems.

(Half-killing to solve the problem) In order to achieve the above purpose, in the uninvented nine-board surface coating method, after preparing the wood surface, approximately 10% by weight to 2% of the coloring agent is applied.
The sealer mixed with about 0% by weight was colored by electrostatic coating, and then the coloring agent was also mixed with about 10% by weight.
It is characterized by being uncolored by electrostatically applying a color sealer containing about 20% by weight.

Then, if necessary, a required paint such as a transparent sealer, urethane sanding, or polyester is applied electrostatically.

(Function) The treatment of Shizu 1 by painting does not cause uneven coating on the board surface even if the paint has a large proportion of colorant mixed in, and the paint is applied to the thick corners of the board surface so that it is densely coated with soil. It can be attached and/! In addition to shortening the processing time and saving labor during 3Ja processing, it also contributes to the saving of paint.

In the grain R color treatment, does the sealer cover every corner of the wood grain?
'In addition, since the sealer can be mixed with a coloring agent (approximately 10% to 20%), it is possible to match the desired color at once. .

In addition, in the color sealer coating process, the coloring agent is mixed with R 10% to 20%, so the object to be painted is colored at a high rate, and many There is no need for multiple coats.

(Example) Hereinafter, a concrete example of the painting treatment of the temporary decorative plywood according to the invention will be explained following 1116.

(1) First, the grain of the surface to be painted is adjusted, and the surface of the board is polished with #180 to #240 sandpaper. (2) Next, the coloring agent is applied at approximately 10% to 20%. The sealant is colored by electrostatically applying a sealer that has been fused to about 1%.

Electrostatic painting refers to electrostatic painting in which the paint sprayed from a painted cedar spray tube and the object to be painted are charged with static electricity of different polarities (positive and negative), and the attractive force between the two is used to cause the object to be painted to receive a charge. Electrostatic coating, which is a process for adhering paint, does not cause uneven coating even if the paint has a large proportion of colorant, and can reliably adhere paint to every corner of the surface to be painted. Not only is it short and labor-saving, it's also /! ! ! It has special benefits such as being able to save money. As a specific device for performing this treatment, for example, an electrostatic atomization type electrostatic coating machine is known, and there are two types depending on the type of paint injection tube: a disk type and a hell type.

Since this sealing coloring process uses electrostatic painting, the sealing colorant will surely penetrate into the shallow and thick areas of the board and seal the wood, thereby improving the wood grain.
The work is densely embossed, giving it a condition similar to that of a plain piece of paper, and the entire surface is evenly painted. Moreover, the coloring agent mixed in a large proportion makes it suitably colored.

After the electrostatic coating treatment for coloring the J-sume [)-me, it is allowed to dry for approximately 2 hours. This completes the eye-catching coloring and eliminates the need for conventional brush painting and subsequent wiping.

(3) Next, a color sealer mixed with approximately IO weight % to 20 weight % of a coloring agent is applied electrostatically to give a predetermined color. In this case, the color of the colorant is generally different from the color of the filler colorant described above in order to make the thick eyes stand out.

This process also uses electrostatic coating as described above, so even though the paint contains a large proportion of coloring agent, it is coated evenly over the entire surface, and a large proportion of the coloring agent is applied to the interior of the building. The surface is colored at a high rate.

After the treatment, it is dried for approximately 2 hours. As a result, the object to be painted can be colored in a desired deep color without the need for multiple coats as in the conventional method.

It should be noted that during this process, it is possible to apply multiple coats as necessary, but even in this case, the number of multiple coats will certainly be smaller than in the past.

(4) After this, various paints such as conventional transparent sealer, Tsuurethane sanding, polynistil, colored urethane flat, or transparent urethane flat are applied.In this case, it is necessary to take advantage of the characteristics of electrostatic painting. It is preferable to use electrostatic coating as much as possible.

(Effects of the invention) As described above, according to the invention, it is possible to color the decorative plywood in a way that brings out the large grains of the decorative plywood in a precise manner, giving it a luxurious feel similar to that of solid wood, and it is also possible to apply electrostatic coating. Since this treatment is carried out, it is possible to efficiently and labor-savingly paint the surface of the board without causing unevenness in the coating, and it is also possible to use paint effectively and reduce its consumption.

Patent originator Sankei Kogyo Co., Ltd. Representative Patent attorney ± 40 Toko Minoru Specification 1, Surface of decorative plywood with name of invention / 13 Fixing method 2, Claims (1) Coloring after grain conditioning Approximately 10% by weight of agent
A sealer mixed with about 20% by weight was colored by electrostatic coating, and then a coloring agent of about 10% by weight was mixed with the sealer.
A method for painting the surface of a decorative plywood board, which is characterized in that coloring is carried out by electrostatically applying a color sealer mixed with about 20% by weight.

3. Detailed description of the invention (Field of use in violet industry) The present invention relates to a surface coating method for decorative plywood.

(Prior Art) Even though decorative plywood is not made of solid wood, it is intended to look like solid wood and give off a sense of luxury.

Therefore, even when painting, a finish that is no different from that of solid wood is required.

However, since the board in decorative plywood is an extremely thin material that is glued to plywood, the depth of the wood grain is shallow even if the surface is painted by normal means. Paints such as fillers and coloring agents cannot be applied to the thick areas, making it difficult to create sufficiently large patterns, and therefore it is especially difficult to create a pattern similar to that of solid wood. A careful painting process is required, which is specifically performed in the following steps.

(1) Do the Sakijiki Ill. (2) Next, apply a coloring agent to the first eye with a brush, and then wipe it off to apply the first color. (3) Next, apply a transparent sealer with a spray gun. (4) Next, the color tint is deepened by applying a color sealer (the proportion of the coloring agent is about 2% to 3% by weight) multiple times using a spray gun. (5) Next, apply a transparent sealer with a spray gun. Note that this treatment is performed in the case of polyester and semi-cloth, and is not performed in the case of urethane sanding and open. (6) Then urethane sanding or polyester coating. (7) Next, perform final polishing. (There are some cases where the process ends after only a few steps.6) (8) Next, wash with a 15-cleaner. (9
) Finally, paint the urethane; rat.

(Problem to be solved by the invention) In the conventional painting method described above, most of the painting process is done using a spray gun, which is time-consuming, tends to cause uneven coloring on the painted surface, and also wastes a lot of paint. It is.

In addition, in the eyelid coloring process, there is the presence of an eyelid agent, and the Qf of the colorant and the proportion of people are large, which makes it impossible to perform the process with a spray gun. Therefore, you must apply it with a brush and wipe it off! This results in a lot of effort and waste of paint.

Furthermore, since the color solar painting process is done using a spray gun, it is necessary to apply the color sealer several times to apply the sealer mixture, which requires a lot of effort.

It is an object of the present invention to provide a method for painting the surface of a decorative plywood panel, which can solve the above-mentioned problems.

(Half-killing to solve the problem) In order to achieve the above purpose, in the uninvented nine-board surface coating method, after preparing the wood surface, approximately 10% by weight to 2% of the coloring agent is applied.
The sealer mixed with about 0% by weight was colored by electrostatic coating, and then the coloring agent was also mixed with about 10% by weight.
It is characterized by being uncolored by electrostatically applying a color sealer containing about 20% by weight.

Then, if necessary, a required paint such as a transparent sealer, urethane sanding, or polyester is applied electrostatically.

(Function) The treatment of Shizu 1 by painting does not cause uneven coating on the board surface even if the paint has a large proportion of colorant mixed in, and the paint is applied to the thick corners of the board surface so that it is densely coated with soil. It can be attached and/! In addition to shortening the processing time and saving labor during 3Ja processing, it also contributes to the saving of paint.

In the grain R color treatment, does the sealer cover every corner of the wood grain?
'In addition, since the sealer can be mixed with a coloring agent (approximately 10% to 20%), it is possible to match the desired color at once. .

In addition, in the color sealer coating process, the coloring agent is mixed with R 10% to 20%, so the object to be painted is colored at a high rate, and many There is no need for multiple coats.

(Example) Hereinafter, a concrete example of the painting treatment of the temporary decorative plywood according to the invention will be explained following 1116.

(1) First, the grain of the surface to be painted is adjusted, and the surface of the board is polished with #180 to #240 sandpaper. (2) Next, the coloring agent is applied at approximately 10% to 20%. The sealant is colored by electrostatically applying a sealer that has been fused to about 1%.

Electrostatic painting refers to electrostatic painting in which the paint sprayed from a painted cedar spray tube and the object to be painted are charged with static electricity of different polarities (positive and negative), and the attractive force between the two is used to cause the object to be painted to receive a charge. Electrostatic coating, which is a process for adhering paint, does not cause uneven coating even if the paint has a large proportion of colorant, and can reliably adhere paint to every corner of the surface to be painted. Not only is it short and labor-saving, it's also /! ! ! It has special benefits such as being able to save money. As a specific device for performing this treatment, for example, an electrostatic atomization type electrostatic coating machine is known, and there are two types depending on the type of paint injection tube: a disk type and a hell type.

Since this sealing coloring process uses electrostatic painting, the sealing colorant will surely penetrate into the shallow and thick areas of the board and seal the wood, thereby improving the wood grain.
The work is densely embossed, giving it a condition similar to that of a plain piece of paper, and the entire surface is evenly painted. Moreover, the coloring agent mixed in a large proportion makes it suitably colored.

After the electrostatic coating treatment for coloring the J-sume [)-me, it is allowed to dry for approximately 2 hours. This completes the eye-catching coloring and eliminates the need for conventional brush painting and subsequent wiping.

(3) Next, a color sealer mixed with approximately IO weight % to 20 weight % of a coloring agent is applied electrostatically to give a predetermined color. In this case, the color of the colorant is generally different from the color of the filler colorant described above in order to make the thick eyes stand out.

This process also uses electrostatic coating as described above, so even though the paint contains a large proportion of coloring agent, it is coated evenly over the entire surface, and a large proportion of the coloring agent is applied to the interior of the building. The surface is colored at a high rate.

After the treatment, it is dried for approximately 2 hours. As a result, the object to be painted can be colored in a desired deep color without the need for multiple coats as in the conventional method.

It should be noted that during this process, it is possible to apply multiple coats as necessary, but even in this case, the number of multiple coats will certainly be smaller than in the past.

(4) After this, various paints such as conventional transparent sealer, Tsuurethane sanding, polynistil, colored urethane flat, or transparent urethane flat are applied.In this case, it is necessary to take advantage of the characteristics of electrostatic painting. It is preferable to use electrostatic coating as much as possible.

(Effects of the invention) As described above, according to the invention, it is possible to color the decorative plywood in a way that brings out the large grains of the decorative plywood in a precise manner, giving it a luxurious feel similar to that of solid wood, and it is also possible to apply electrostatic coating. Since this treatment is carried out, it is possible to efficiently and labor-savingly paint the surface of the board without causing unevenness in the coating, and it is also possible to use paint effectively and reduce its consumption.

Patent applicant Sankei Kogyo Co., Ltd. Substitute Patent Attorney ± 40 Tohiro Minoru

Claims (1)

[Claims] (1) After adjusting the base of the wood, add approximately 10% to 2% of the coloring agent by weight.
Filler coloring is performed by electrostatically applying a sealer mixed with about 0% by weight, and then main coloring is performed by electrostatically applying a color sealer mixed with approximately 10% to 20% by weight of a coloring agent. A method for painting the surface of decorative plywood.