KR20170086236A - Wood panels for furniture, and a method of manufacturing the same - Google Patents

Abstract

The present invention relates to a wood panel for furniture and a method of manufacturing the same, which can protect the user's health by forming an environment-friendly UV primer layer and an environmentally friendly top layer without using harmful chemicals such as styrene As a matter of fact,
The wood panel for furniture of the present invention comprises a core material having a surface on which an LPM layer is formed, an environmentally friendly UV primer layer formed on the LPM layer, a sanding sealer layer formed on the environmentally friendly UV primer layer, Wherein the environmentally friendly top layer comprises 30 to 40% by weight of an unsaturated polyester resin, 50 to 60% by weight of a monomer, 2 to 5% by weight of a photoinitiator, and 0 to 5% by weight of an additive .

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wood panel for furniture,

The present invention relates to a wood panel for furniture and a method of manufacturing the same. More specifically, it is possible to form an environmentally friendly UV primer layer and an environmentally friendly top layer without using chemicals harmful to the human body, such as styrene, To a wood panel for furniture and a method of manufacturing the same.

Typically, furniture such as sinks, dining tables, cabinets, tables, desks, and palettes are made of wood panels.

In the case of making a wooden panel for furniture, the paint is applied over several layers (sublayer, middle layer, upper layer) and dried.

For reference, each coating layer is uniformly and uniformly applied to each coating layer (undercoating layer, intermediate layer, upper coating layer), drying conditions (coating frequency, drying temperature, drying time), and peeling does not occur between the coating layers A technique for improving the durability and reliability of products has been disclosed in Korean Patent Application Laid-Open Publication No. 10-2006-0033758 (published on April 19, 2006) entitled " Wood and Furniture Coating Method ".

However, since the conventional wooden panel for furniture and the manufacturing method thereof including the above-mentioned Patent Publication No. 10-2006-0033758 uses a chemical composition paint harmful to human body, the carcinogen that causes the nervous system trouble through skin contact or breathing inhalation Total Volatile Organic Compounds (TVOC), which is a substance, are generated from the paint, which is detrimental to the user's health.

1. Published Patent Publication No. 10-2006-0033758

It is an object of the present invention to solve the above-mentioned problems of the prior art, and it is an object of the present invention to provide an environmentally friendly UV primer layer and an environmentally friendly top layer without using a chemical substance harmful to human body such as styrene, And a method of manufacturing the same.

As a means for achieving the above object, the present invention provides a method for producing a green UV primer layer, comprising: a core material having a surface on which an LPM layer is formed; an environmentally friendly UV primer layer formed on the LPM layer; And an environmentally friendly top layer formed on the sanding sealer layer, wherein the environmentally friendly top layer comprises 30 to 40% by weight of an unsaturated polyester resin, 50 to 60% by weight of a monomer, 2 to 5% by weight of a photoinitiator, 0 to 5% by weight.

It is preferable that the constitution of the present invention further comprises a photocatalyst and a flame retardant coating layer in which a photocatalyst and a flame retardant are mixed on the above environmentally friendly top coat layer.

The composition of the present invention is such that the environmentally friendly UV primer layer comprises 20 to 30% by weight of a urethane acrylate resin, 40 to 50% by weight of a monomer, 10 to 20% by weight of a pigment, 2 to 5% by weight of a photoinitiator, 0 to 5% . ≪ / RTI >

The constitution of the present invention is such that the above-mentioned monomers may be used as monomers such as trifunctional monomer such as TMPTA (Trimethylol Propane Triacrylate), 2 functional monomer such as TPGDA (Tripropylene Glycol Diacrylate), HEA (Hydroxy Ethyl Acrylate) It is preferable to select one of the functional monomer.

As a means for achieving the above object, the present invention provides a method of manufacturing a method for manufacturing a semiconductor device, comprising the steps of: preparing a wood material having an LPM layer formed on a surface of a core material; applying an environmentally friendly UV primer onto the LPM layer using a roll coater; A step of applying a sanding sealer to the green UV primer layer using a roll coater and then curing the green UV primer layer with ultraviolet rays; polishing the sanding sealer applied on the environmentally friendly UV primer layer, Removing the static electricity generated on the wood and air shower; applying an environmentally-friendly top coat on the sanding sealer layer using a curtain coater, passing the organic solvent through the openoff zone, A step of preliminarily curing the wood passing through the above-mentioned fresh off zone through ultraviolet rays while passing through the TL lamp zone; After the step was passed through the high-power zone to a fully cured with ultraviolet rays, while the high-power that has passed through the one zone through the timber preferably comprising cooling booth, including the step of cooling using a shower jet.

The constitution of the method of the present invention is preferable in the case of curing with ultraviolet light of one light of 16.8 KW UV lamp after application of the environmentally friendly UV primer described above.

The constitution of the method of the present invention is preferable when the wood coated with the sanding sealer on the environmentally friendly UV primer layer is cured by ultraviolet rays of three light quantities of 16.8 KW UV lamp.

The constitution of the method of the present invention is preferably such that the above-mentioned openoff zone generates hot air of 25 to 40 degrees at an air velocity of 0.1 to 0.5 m / s.

The constitution of the method of the present invention is preferable in the case of preliminarily curing with ultraviolet light having a light quantity using 100 TL lamps having a capacity of 140 W when ultraviolet rays are preliminarily cured while passing through the TL lamp zone.

The composition of the method of the present invention is preferably used when curing is performed with ultraviolet light having a light quantity using five UV lamps having a capacity of 16.8 KW in the case of completely curing by ultraviolet rays while passing through the high power zone.

The present invention has the effect of protecting the user's health by forming an environmentally friendly UV primer layer and an environmentally friendly top layer without using harmful chemicals such as styrene to finish the wood.

1 is a cross-sectional view of a wood panel according to an embodiment of the present invention.
2 is a flowchart of a method of manufacturing a wood panel for furniture according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, so that those skilled in the art can easily carry out the present invention. Other objects, features, and operational advantages, including the purpose, operation, and effect of the present invention will become more apparent from the description of the preferred embodiments.

It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory only and are not to be construed as limiting the scope of the invention as disclosed in the accompanying claims. It is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and similarities, many of which are within the scope of the present invention.

It should also be understood that the expressions of terms or words used in the specification and claims of the present application are defined based on the principle that the inventor can properly define the concept of a term in order to explain its invention in the best way , Should not be construed as limited to ordinary or dictionary meanings and should be construed in a meaning and a concept consistent with the technical idea of the present invention. As an example, the singular " include " includes plural representations unless the context clearly dictates otherwise, and the expressions relating to directions are to be set based on the position represented on the drawing for convenience of explanation.

1 is a cross-sectional view of a wood panel according to an embodiment of the present invention.

1, the construction of a wooden panel for furniture according to an embodiment of the present invention includes a core 1 having an LPM layer 2 formed on a surface thereof, (3), a sanding sealer layer (4) formed on the environmentally friendly UV primer layer (3) and an environmentally friendly topcoat layer (5) formed on the sanding sealer layer .

As the core 1, a medium density fiber board (MDF), a particle board (PB), a plywood, and a wood are used.

The above-mentioned MDF is a plate material obtained by compression molding of wood fiber obtained by using wood material as a raw material with adhesive at high temperature and high pressure. Since the structure is dense and uniform and has excellent machinability and strength, Speaker exterior, and table tennis table. In addition, the surface is hard and smooth, so it is easy to use by painting or decorating film.

The above-mentioned PB is a processing material which is made by cutting wood remnant from the wood, crushing the remaining waste into small pieces, and then mixing the adhesive with high temperature and high pressure. It can compensate the disadvantages of the wood, absorb sound, It is efficient and economical in terms of recycling the waste residue generated in the processing of various logs.

The above-mentioned plywood is a thin plate of wood, which is adhered with an adhesive so that the directions of the grain are orthogonal to each other, and a thin plate used for making plywood is called a veneer. As a single plate, it is possible to compensate for the drawback that it is easily broken along the grain and is liable to shrink or expand due to moisture. In addition, since it is not necessary to use a good quality material in the center portion, .

The environmentally friendly UV primer layer 3 comprises 20 to 30% by weight of a urethane acrylate resin, 40 to 50% by weight of a monomer, 10 to 20% by weight of a pigment, 2 to 5% by weight of a photoinitiator and 0 to 5% .

The above-mentioned monomers are used as reactive diluents. They include trifunctional monomer such as TMPTA (Trimethylol Propane Triacrylate), 2 functional monomer such as TPGDA (Tripropylene Glycol Diacrylate), HEA (Hydroxy Ethyl Acrylate) and HPA (Hydroxy Propyl Acrylate) Functional monomer is selected and used.

The above-mentioned photoinitiator serves to initiate photopolymerization so that the monomer is converted into a polymer substance after curing by applying energy required for photo-polymerization.

The above-described sanding sealer layer 4 is formed by using a sanding sealer.

The above-described sanding sealer is a paint which is coated on a primer coat, and after the primer is used by polishing, a smooth coat is formed to improve the paint quality of the primer paint and to block oxygen.

The environmentally friendly top coat layer 5 comprises 30 to 40% by weight of an unsaturated polyester resin, 50 to 60% by weight of a monomer, 2 to 5% by weight of a photoinitiator, and 0 to 5% by weight of an additive.

The above unsaturated polyester resin is a colorless transparent thermosetting resin prepared by reacting an anhydride (maleic anhydride) with an unsaturated dicarboxylic acid such as fumaric acid and a divalent alcohol. They have excellent heat resistance and corrosion resistance, and most of them are used as a matrix of FRP (fiber reinforced plastic). In recent years, new reinforcements such as aramid fibers have been developed, and the use of FRP has been further expanded because of the realization of higher strength FRP.

The above-mentioned monomers are used as reactive diluents. They include trifunctional monomer such as TMPTA (Trimethylol Propane Triacrylate), 2 functional monomer such as TPGDA (Tripropylene Glycol Diacrylate), HEA (Hydroxy Ethyl Acrylate) and HPA (Hydroxy Propyl Acrylate) Functional monomer is selected and used.

The above-mentioned photoinitiator serves to initiate photopolymerization so that the monomer is converted into a polymer substance after curing by applying energy required for photo-polymerization.

2 is a flowchart of a method of manufacturing a wood panel for furniture according to an embodiment of the present invention.

As shown in FIG. 2, the method for manufacturing a wood panel for furniture according to an embodiment of the present invention includes steps (S10) of preparing wood on which a LPM layer 2 is formed on the surface of a core 1 (S20) of applying an environmentally friendly UV primer on the LPM layer (2) using a roll coater; and applying a green UV primer on the LPM layer (2) (S30) of applying a sanding sealer on the environmentally friendly UV primer layer (3) using a roll coater, and a step (S40) of applying a sanding sealer on the environmentally friendly UV primer layer A step (S50) of curing the wood on which the sanding sealer is applied with ultraviolet rays of three light quantities of 16.8 KW UV lamps, a step (S60) of polishing the sanding sealer applied on the environmentally friendly UV primer layer (3) A step (S70) of pouring the sanding sealer with a brush, and a step (S90) of applying an environmentally-friendly top coat by using a curtain coater on the sanding sealer layer (4), a step (S90) of applying a sand shower sealer layer (S100) of passing residual organic solvent through a fresh off-zone which generates hot air of 25 to 40 degrees at an air velocity of 0.1 to 0.5 m / s on the surface of the fresh off- (S110) of preliminarily curing the wood having passed through the TL lamp zone with ultraviolet rays of a light intensity of 140 lightwave TL lamps, passing the wood passing through the TL lamp zone through a high power zone, (S130) of cooling the wood having passed through the high power zone through a cooling booth using a jet shower (S130); and a step (S130) of cooling the wood through the high- Protection on layer (5) It comprises the step (S140) of attaching.

The TL lamp described above is a kind of ultraviolet fluorescent lamp.

The operation of the wooden panel for furniture and the manufacturing method thereof according to an embodiment of the present invention with the above-described structure will be described below.

First, a wood material having an LPM layer 2 formed on the surface of the core material 1 is prepared (S10), and an environmentally friendly UV primer is coated on the LPM layer 2 using a roll coater (S20).

After the environmentally friendly UV primer is applied on the LPM layer 2, the wood coated with the environmentally friendly UV primer on the LPM layer 2 is cured by one ultraviolet ray of 16.8 KW UV lamp (S30).

Then, a sanding sealer is coated on the environmentally friendly UV primer layer 3 using a roll coater (S40). Then, the wood coated with the sanding sealer on the environmentally friendly UV primer layer 3 is transferred to a 16.8 KW UV lamp And cured by ultraviolet rays of three light quantities (S50).

Next, the sanding sealer applied on the environmentally friendly UV primer layer 3 is polished (S60), and then the polished sanding sealer is brushed off (S70).

Subsequently, the polished sanding sealer is subjected to an air shower (S80) after the static electricity generated in the wood is removed by brushing, and then an environmentally friendly top coat is applied on the sanding sealer layer 4 using a curtain coater S90).

Next, the wood coated with the environmentally-friendly top coat on the sanding sealer layer 4 is passed through a fresh off zone which generates hot wind at 25 to 40 degrees at an air velocity of 0.1 to 0.5 m / s, The solvent is removed (S100), and the wood passed through the fresh off zone is preliminarily cured by ultraviolet rays of a light quantity of 100 light of 140 W TL lamp while passing through the TL lamp zone (S110) The wood passing through the lamp zone is completely cured by ultraviolet rays of 5 light of 16.8 KW UV lamp while passing through a high power zone (S120).

Subsequently, the wood passed through the high power zone is cooled by using a jet shower while passing through the cooling booth (S130), and a protective wrap is attached on the eco-friendly upper layer 5 of the cooled wood (S140) .

In this case, it is also possible to attach a protective wrap on the photocatalyst and the flame-retardant coating layer 6 after the photocatalyst and flame-retardant coating are applied on the environmentally-friendly top coat layer 5.

As described above, it is possible to protect the user's health by forming an environmentally friendly UV primer layer and an environmentally friendly top layer without using chemical substances harmful to the human body such as styrene.

1: Core 2: LPM layer
3: environmentally friendly UV primer layer 4: sanding sealer layer
5: Environmentally friendly top layer 6: Photocatalyst and flame retardant coating layer

Claims (11)

A core member having an LPM layer formed on its surface,
An environmentally friendly UV primer layer formed on the LPM layer,
A sanding sealer layer formed on the environmentally friendly UV primer layer,
An eco-friendly top coat layer formed on said sanding sealer layer,
Wherein the environmentally friendly top layer comprises 30 to 40% by weight of an unsaturated polyester resin, 50 to 60% by weight of a monomer, 2 to 5% by weight of a photoinitiator, and 0 to 5% by weight of an additive. The method according to claim 1,
Further comprising a photocatalyst and a flame-retardant coating layer in which a photocatalyst and a flame retardant are mixed on the environmentally-friendly top coat layer. 3. The method according to claim 1 or 2,
The environmentally friendly UV primer layer comprises 20 to 30% by weight of a urethane acrylate resin, 40 to 50% by weight of a monomer, 10 to 20% by weight of a pigment, 2 to 5% by weight of a photoinitiator and 0 to 5% Wooden panels for furniture. 3. The method according to claim 1 or 2,
The monomer may be selected from monofunctional monomer such as TMPTA (Trimethylol Propane Triacrylate), monofunctional monomer such as TPGDA (Tripropylene Glycol Diacrylate), monofunctional monomer such as HEA (Hydroxy Ethyl Acrylate) and HPA (Hydroxypropyl Acrylate) Wherein the wood panel is made of wood. Preparing a wood material on which an LPM layer is formed on the surface of the core material,
Applying an environmentally friendly UV primer onto the LPM layer using a roll coater and then curing with ultraviolet light;
Applying a sanding sealer on the environmentally friendly UV primer layer using a roll coater and then curing the UV primer layer with ultraviolet light;
Polishing the sanding sealer applied on the environmentally-friendly UV primer layer, brushing the sanding sealer with the brush, removing the static electricity generated in the wood, and air-showering the sanding sealer,
Applying an environmentally-friendly top coat on the sanding sealer layer using a curtain coater and then passing the organic solvent through a flash off zone,
A step of preliminarily curing the wood which has passed through the above-mentioned free-off zone with ultraviolet rays while passing through the TL lamp zone,
And cooling the wood passing through the high power zone using a jet shower while passing through the cooling booth. 6. The method of claim 5,
Further comprising the step of forming a photocatalyst and a flame retardant coating layer on the environmentally friendly top layer, wherein the photocatalyst and the flame retardant are mixed with each other. The method according to claim 5 or 6,
When the above-mentioned environmentally friendly UV primer is cured by ultraviolet rays after curing, it is characterized by curing the ultraviolet ray of a quantity of light using a single 16.8 KW UV lamp when curing by one ultraviolet ray of 16.8 KW UV lamp Wherein the wood panel is made of wood. The method according to claim 5 or 6,
Characterized in that when the wood on which the sanding sealer is applied on the environmentally friendly UV primer layer is cured by ultraviolet rays, it is cured by ultraviolet rays of three light quantities of 16.8 KW UV lamps. The method according to claim 5 or 6,
Wherein the fresh off zone generates hot wind at 25 to 40 degrees at an air velocity of 0.1 to 0.5 m / s. The method according to claim 5 or 6,
Wherein the preliminary curing is performed with ultraviolet light having a light quantity using 100 TL lamps having a capacity of 140 W when preliminary curing is performed with ultraviolet rays while passing through the TL lamp zone. The method according to claim 5 or 6,
Wherein the curing is performed with ultraviolet light having a light quantity using five UV lamps having a capacity of 16.8 KW when the ultraviolet rays are completely cured while passing the high power zone.

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