KR101324840B1 - Method for preparing board for with 3d pattern - Google Patents

Abstract

The present invention relates to a method for manufacturing a board having a 3D pattern. More specifically, the method according to the present invention comprises the following steps: (S1) attaching a finishing material to one surface of a board, for pretreatment; (S2) coating an adhesive on the finished surface of the board to form an adhesive layer thereon; (S3) printing a pattern to be formed on the adhesive layer by using a UV curable paint containing a silicon based resin; (S4) curing the pattern-printed board; (S5) top-coating a UV curable paint on the board for building materials, which is cured in step (S4); and (S6) curing the top-coated board for building materials. The board manufactured by the method according to the present invention is usable for building, furniture, and interior decoration. [Reference numerals] (S1) Step of attaching a finishing material;(S2) Step of forming an adhesive layer;(S3) Step of printing a pattern;(S4,S6) Step of curing;(S5) Step of top-coating

Description

Method for manufacturing 3D patterned board {Method for Preparing Board for with 3D pattern}

The present invention relates to a method of manufacturing a 3D patterned board that can be used for building materials, furniture, interior.

In general, high-gloss boards used for building materials, furniture, and doors of sinks are products coated with UV-curable paint (UV paint) (hereinafter referred to as UV board), poly products using unsaturated polyester resin, and HPL. In addition, products with G-PET and PVC sheet attached are widely used.

Among them, the UV board paints the UV paint, and when UV rays are irradiated under the UV lamp, the UV paint is cured in a short time, and the smell is not left at all due to the characteristics of the UV paint in which a small amount of solvent (1.5 wt% or less) is mixed. It can be said that it is an environmentally friendly product with excellent surface properties.

The UV board is coated by a curtain coater in a dust-free process, so that the thickness of the coating film is constant and continuous mass production is possible, which is one of the most popular coating methods. However, after painting is finished, if only one of the high gloss or matte gloss is expressed, and two or more varnishes are simultaneously expressed on the surface of the board, the work becomes complicated, and it is not possible to work inline simultaneously. Manufacturing is possible only with the following off-line method.

In the off-line method, the UV board produces two or more different gloss and has a three-dimensional effect. First, a high gloss or matte product is produced in a curtain coater, and then a protective film is attached and loaded. Subsequently, in order to paint (print) another UV paint of matt or high gloss using a printing method such as silk screen or roll coater, the attached protective film is removed again, and then the printed paint (ink) is cured. There is a complex and expensive problem, such as the need to attach a protective film again.

Therefore, it is urgent to develop a technology for manufacturing a UV board which can not only reduce costs through a simplified process but also increase productivity and can form various types of 3D patterns.

The present invention is to provide a method of manufacturing a UV board capable of forming various types of 3D pattern in a simplified process.

Accordingly, the present invention is a first preferred embodiment, (S1) bonding the finish to one surface of the board, to uniform the color of the surface of the board; (S2) forming an adhesive layer by coating an adhesive on a finish material adhered to the board; (S3) printing a pattern to be formed using an ultraviolet curable paint containing a silicone-based resin on the adhesion layer; (S4) hardening the printed board; (S5) a step of top coating using a UV curable paint on the building material board cured in the step (S4); And (S6) provides a method of manufacturing a board with a 3D pattern comprising a step of curing the board for building materials coated with the top coat in the step (S5).

Board of step (S1) according to the embodiment is a wood-based plate material selected from MDF (Medium Density Fiber Board, Medium Density Fiber Board), PB (Particle Board), PW (PlyWood, plywood) and aggregate wood; Thermoplastic platelets made of thermoplastic resins selected from ACRYL, PP, PE, ABS, PVC, PC and PS; And an inorganic plate-shaped material selected from magnesium board, calcium silicate board, gypsum board, CRC (Cellulose fiber reinforced cement board) board, ocher board, iron plate and aluminum plate.

Finishing material of the step (S1) according to the embodiment may be selected from the group consisting of MFC (MELAMINE FACED CHIPBOARD), finishing foil (finishing foil), PVC sheet and PET sheet.

The adhesive of step (S2) according to the embodiment may be selected from a two-component urethane resin, a one-component UV curable resin, and mixtures thereof.

The silicone resin of the step (S3) according to the embodiment may be dimethyl polysiloxane (dimethyl polysiloxane).

In the ultraviolet curable paint comprising the silicone resin of the step (S3) according to the embodiment may be 10 to 20% by weight of the content of the silicone resin.

UV-curable paint for the top coat of the step (S5) according to the embodiment includes an oligomer, a monomer, a photoinitiator and additives, the oligomer is an isocyanate modified urethane acrylate oligomer, silicone modified urethane acrylate oligomer, urethane acrylate oligomer And unsaturated polyester acrylate oligomers; The monomer may be a monofunctional monomer selected from HPA (Hydroxy Propyl Acrylate) and SM (Styrene monomer); Difunctional monomers in DiPropylene Glycol DiAcrylate (DPGDA), 9-Ethylene Glycol DiAcrylate (9-EGDA) and HexaneDiol DiAcrylate (HDDA); Trifunctional monomers selected from Glyceryl Propoxylated TriAcrylate (GPTA) and TriMethylol Propane TriAcrylate (TMPTA); And at least one selected from the group consisting of six functional monomers such as DPHA (DiPentaerylthritol HexaAcrylate); The photoinitiator is acetophenone; The additive may be a silicone resin.

Top coating in the step (S5) according to the embodiment may be performed by a curtain coater (Curtain Coater).

The adhesion layer of the step (S2) according to the embodiment may be formed by a roll coater (Roll Coater).

The printing of the step (S3) according to the embodiment may be carried out by a method selected from the group consisting of silk screen, gravure, flexography, roll coater. .

According to the present invention, not only can the cost be reduced by a simplified process, but also the productivity can be increased, and a board for building materials having various forms of 3D patterns can be manufactured.

1 is a block diagram showing a manufacturing method of a board for building materials having a 3D pattern according to the present invention.

Hereinafter, the present invention will be described in more detail.

The present invention comprises the steps of adhering a finish to one surface of the board, to uniform the color of the surface of the (S1) board; (S2) forming an adhesive layer by coating an adhesive on a finish material adhered to the board; (S3) printing a pattern to be formed using an ultraviolet curable paint containing a silicone-based resin on the adhesion layer; (S4) hardening the printed board; (S5) a step of top coating using a UV curable paint on the building material board cured in the step (S4); And (S6) relates to a method of manufacturing a board with a 3D pattern comprising the step of curing the board for building materials coated with the top coat in the step (S5).

In other words, batik is a technique that draws a pattern from materials that do not have paint such as crayons or paraffins, and then paints watercolors on it, or soaks it in dyes to absorb the parts outside the pattern to create beautiful patterns. The present invention relates to a method of manufacturing a building material board having a 3D surface by applying such a batik technique to UV coating for forming a 3D pattern on a building material board.

In the present invention, 3D patterned boards may be referred to as UV boards, because they can be produced by UV coating.

In the present invention, the ultraviolet curable paint may include oligomers, monomers, photoinitiators and additives.

The oligomer may be selected from the group consisting of isocyanate-modified urethane acrylate oligomer, silicone-modified urethane acrylate oligomer, urethane acrylate oligomer and unsaturated polyester acrylate oligomer.

The monomer may be a monofunctional monomer selected from HPA (Hydroxy Propyl Acrylate) and SM (Styrene monomer); Difunctional monomers in DiPropylene Glycol DiAcrylate (DPGDA), 9-Ethylene Glycol DiAcrylate (9-EGDA) and HexaneDiol DiAcrylate (HDDA); Trifunctional monomers selected from Glyceryl Propoxylated TriAcrylate (GPTA) and TriMethylol Propane TriAcrylate (TMPTA); And DPF (DiPentaerylthritol HexaAcrylate) may be one or more selected from the group consisting of six functional monomers.

The photoinitiator may be acetophenone, and the like, and the photoinitiator is not limited thereto.

The additive may be a silicone resin.

[(S1) step]

Step S1 is a step of adhering the finish to one surface of the board so as to make the color of the board surface uniform.

The boards are made of wood, such as MDF (Medium Density Fiberboard), PB (Particle Board), plywood, laminated wood, polyvinyl chloride, PVC (Poly Propylen), PP (Poly Ethylene), Acryl, PS Thermoplastic plastics such as Poly Styrene and ABS (Acrylonitrile Butadiene Styrene copolymer), Magnesium board, calcium silicate board, CRC (Cellulose fiber Reinforced Cement board), Gypsum board, Ocher board, The board may be made of a material selected from the group consisting of aluminum boards, iron plates, etc., but may be used for construction, furniture, and interior, but is not limited thereto.

The finishing material may be selected from the group consisting of MFC (MELAMINE FACED CHIPBOARD), finishing foil (finishing foil), PVC sheet and PET sheet (Glycol PET or Amorphous PET), it can be finished by bonding to one surface of the board have.

The reason for the finish on one surface of the board is that the color of the board itself is uneven, so that it is impossible to make a product of a certain color. Therefore, in order to maintain a uniform color by bonding the finishing material and to perform precise printing directly on the boards, it must go through a complicated process. Therefore, by attaching the finishing material with the pattern printed on it, it is possible to produce a variety of precisely printed products, and the smoothness of the boards itself is corrected, and when the coating is applied directly to the woods, the wood absorbs the paint and the amount of paint Not only does it take a lot of air bubbles on the surface

[(S2) step]

Step (S2) is a step of forming an adhesive layer by coating an adhesive on one surface of the finished boards.

The adhesive of step (S2) may be one selected from the group consisting of a two-component urethane paint or a one-component UV cured paint, and the adhesive may be formed by using a roll coater. The adhesive is a dense state without surface pores so that the surface of the finished boards can be used as it is without painting. In general, UV curable paint is not adhered to the surface of the finishing material and printing. It acts as a kind of medium with good adhesion between UV curable paints, making one side adhere to the finish surface and the other side adheres to the top coat.

[(S3) step]

Step (S3) is a step of printing a pattern to be formed using an ultraviolet curable paint containing a silicone resin on the adhesive layer.

In general, UV-curable paints contain various additives such as photoinitiators, solvents, defoamers, and leveling agents in polymer resins. Among them, bubbles are generated when UV curable paints are circulated or painted to prevent defects on the surface of the product . In order to do this, a defoamer is used, and dimethyl polysiloxane which is mainly silicon-based is used. In general UV curable paint, 0.1 ~ 0.5% by weight of antifoaming agent is contained.Silicone resin has slippery properties like wax, so the higher the content, the more the surface shows the properties of wax and other components are hard to adhere to it. In addition, as the content of the antifoaming agent increases, glossiness of the coated surface may occur, and an adhesive force difference may also occur.

In the present invention, this characteristic of the silicone-based resin can be used to form a 3D pattern on the board.

In the present invention, in the ultraviolet curable paint containing the silicone resin may be 10 to 20% by weight of the content of the silicone resin, the content of the silicone resin is less than 10% by weight of the adhesion of the coating film but excellent 3D pattern If the formation becomes poor, the formation of the 3D pattern is more than 20% by weight, but there is a problem that the adhesion of the coating film is lowered.

At this time, the silicone-based resin may be selected from the group consisting of silicone resins such as dimethyl polysiloxane (dimethyl polysiloxane) and is not limited to any particular component, it is important to have a property that prevents mixing with the topcoat.

The printing may be performed by a method selected from the group consisting of silk screen, gravure, flexography and roll coater.

[(S4) step]

Step S4 is a step of curing the board on which the pattern is printed, and the curing may be performed by a UV lamp.

[(S5) step]

Step (S5) is a step of applying a top coat on the board cured in the step (S4) using an ultraviolet curable paint.

UV-curable coating material for the top coat is a one-component type, it can be painted using a curtain coater (Curtain Coater).

When the top coat is applied, the ultraviolet curable paint used for the top coat does not cover the pattern printed with the ultraviolet curable resin including the silicone resin in the step (S3), and is pushed away from the printed pattern and pushed out to the top coat. UV curable paint used is like As the water droplets on the lotus leaf aggregate, they form a natural 3D pattern.

That is, as the crayon drawn on paper first is painted with watercolor paint, and the crayon portion is not covered by the watercolor paint and pushes the watercolor paint, the UV printed curable pattern used for the top coat is printed on the UV curable resin containing silicone resin. The paint will be pushed out to form a 3D pattern.

[(S6) step]

Step (S6) is a step of curing the board for building materials coated with the top coat in the step (S5), the curing may be carried out by a UV lamp.

3D patterned building material board manufactured by curing can be loaded and commercialized after the protective film is attached.

In the 3D patterned building material board manufactured by the method described above, when the silicone resin component is mixed with the property of becoming a high gloss after curing (unmixed with a gloss remover), which is characteristic of an ultraviolet curable paint, Since the deteriorating properties are simultaneously displayed on one plate, a visual 3D effect is exerted more than the height difference of the actual paint layer, and the UV-curable paint used for top coat is avoided by UV-curable paint including silicone resin printed on the floor. Due to the phenomenon of cohesion caused by the surface tension and the simultaneous phenomenon, there is an effect of having a natural boundary like water droplets.

Hereinafter, the present invention will be described in detail with reference to Examples, but the present invention is not limited to these Examples.

Example  1 to Example  3 and Comparative Example  1 to Comparative Example  3

On one surface of the board finished with the finishing material was coated with an adhesive of one-component UV curable paint using a roll coater to form an adhesive layer.

The UV curable paint containing dimethyl polysiloxane was printed on the adhesive layer by a roll printing method, and then cured with a UV lamp.

After coating the top coat with a curtain coater using an ultraviolet curable paint for top coat, it was cured with a UV lamp to prepare a board for building materials having a 3D pattern.

At this time, Examples 1 to 3 and Comparative Examples 1 to 3 are different from the content of the dimethyl polysiloxane contained in the UV curable paint, the content is shown in Table 1.

Ultraviolet curing paints are undercoats and topcoats of construction chemicals, and silicone resins are Foamex N from Tego Chemie Service Gmbh.

After measuring and observing the glossiness, adhesiveness, and 3D pattern formation degree in the following manner for the 3D patterned building material board manufactured in Examples and Comparative Examples, the results are shown in Table 1.

<Property evaluation method>

(1) glossiness

Glossiness is measured according to KSM ISO 2813 non-metallic coating film's specular gloss measurement method, and it is revealed that the gloss meter used in the test is IG-320 model of HORIBA, Japan.

(2) adhesive

Using the horizontal with a sharp knife to 2mm gap such that the vertical cross-lining of the sheath film and the printing plate Visually check for attachment .

(3) 3D pattern formation diagram

The degree of formation of the 3D pattern was visually observed and classified into defective, good and extremely good according to the degree of formation.

-Poor: The pattern to be displayed cannot be visually identified

-Good: Three-dimensional pattern of the pattern is slightly reduced, but formed to the extent that the pattern can be visually identified

-Extremely good: the pattern to be displayed is clearly defined in three dimensions

UV Paints Containing Dimethyl Polysiloxane density(%) Comparison of Properties of Cured UV Coating Films UV paint Dimethylpolysiloxane Glossiness Adhesiveness 3D pattern Comparative Example 1 99 One One G 97 Extremely good Bad Example 1 95 5 5 G 91 Extremely good Bad Example 2 90 10 10 G 86 Extremely good Good Example 3 85 15 15 G 81 Extremely good Extremely good Comparative Example 2 80 20 20 G 78 Good Extremely good Comparative Example 3 75 25 25 G 74 Bad Extremely good

As shown in Table 1, it can be seen that the most suitable concentration of the silicone resin in the present invention is 10 to 20%. If less than 10%, the adhesion of the coating film is excellent, but the formation of the 3D pattern is poor, and if more than 20%, the formation of the 3D pattern is extremely good, but the adhesion is weak.

Claims (10)

(S1) adhering a finish to one surface of the board so as to make the color of the board surface uniform;
(S2) forming an adhesive layer by coating an adhesive on a finish material adhered to the board;
(S3) printing a pattern to be formed using an ultraviolet curable paint containing a silicone-based resin on the adhesion layer;
(S4) hardening the printed board;
(S5) a step of top coating using a UV curable paint on the building material board cured in the step (S4); And
(S6) comprising the step of curing the board for building materials coated with the top coat in the step (S5), the manufacturing method of the board with the 3D pattern formed.
The board of the step (S1) includes a wood-based plate material selected from MDF (Medium Density Fiber Board), PB (Particle Board), PW (PlyWood, plywood) and aggregated wood; Thermoplastic platelets made of thermoplastic resins selected from ACRYL, PP, PE, ABS, PVC, PC and PS; And inorganic plate-shaped materials selected from magnesium board, calcium silicate board, gypsum board, cellulose fiber reinforced cement board (CRC) board, ocher board, iron plate and aluminum plate. Manufacturing method.
The method of claim 1,
The finishing material of the step (S1) is MFC (MELAMINE FACED CHIPBOARD), finishing foil (finishing foil), PVC sheet and PET sheet manufacturing method of 3D patterned board characterized in that it is selected from the group consisting of.
The method of claim 1,
The adhesive of step (S2) is a two-component urethane resin, a one-component UV curable resin, and a mixture thereof, characterized in that the manufacturing method of 3D patterned board.
The method of claim 1,
The silicon-based resin of the step (S3) is a dimethyl polysiloxane (dimethyl polysiloxane) method of manufacturing a board with a 3D pattern is formed, characterized in that.
The method of claim 1,
The method of manufacturing a 3D patterned board, characterized in that the (10) to 20% by weight of the content of the silicone resin in the ultraviolet curable paint containing the silicone resin of the step (S3).
The method of claim 1,
UV-curable paint for the top coat of the step (S5) includes oligomers, monomers, photoinitiators and additives,
The oligomer is at least one member selected from the group consisting of isocyanate-modified urethane acrylate oligomers, silicone-modified urethane acrylate oligomers, urethane acrylate oligomers and unsaturated polyester acrylate oligomers;
The monomer may be a monofunctional monomer selected from HPA (Hydroxy Propyl Acrylate) and SM (Styrene monomer); Difunctional monomers in DiPropylene Glycol DiAcrylate (DPGDA), 9-Ethylene Glycol DiAcrylate (9-EGDA) and HexaneDiol DiAcrylate (HDDA); Trifunctional monomers selected from Glyceryl Propoxylated TriAcrylate (GPTA) and TriMethylol Propane TriAcrylate (TMPTA); And at least one selected from the group consisting of six functional monomers such as DPHA (DiPentaerylthritol HexaAcrylate);
The photoinitiator is acetophenone;
The additive is a method of manufacturing a board with a 3D pattern, characterized in that the silicone resin.
The method of claim 1,
The top coating of the step (S5) is a manufacturing method of a board having a 3D pattern, characterized in that is carried out by a curtain coater (Curtain Coater).
The method of claim 1,
The method of manufacturing a 3D patterned board, characterized in that the adhesion layer of the step (S2) is formed by a roll coater (Roll Coater).
The method of claim 1,
The printing of the step (S3) is performed by a method selected from the group consisting of silk screen, gravure, flexography, and roll coater. Method of manufacturing the formed board.

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