KR101702751B1 - multi-ply bonding method for pattern sheet and plywood - Google Patents

multi-ply bonding method for pattern sheet and plywood Download PDF

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Publication number
KR101702751B1
KR101702751B1 KR1020150070234A KR20150070234A KR101702751B1 KR 101702751 B1 KR101702751 B1 KR 101702751B1 KR 1020150070234 A KR1020150070234 A KR 1020150070234A KR 20150070234 A KR20150070234 A KR 20150070234A KR 101702751 B1 KR101702751 B1 KR 101702751B1
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South Korea
Prior art keywords
plywood
adhesive
bottom plate
pattern paper
press
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KR1020150070234A
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Korean (ko)
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KR20160136576A (en
Inventor
박종원
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주식회사 성우플러스
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
    • E04F15/102—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials of fibrous or chipped materials, e.g. bonded with synthetic resins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B21/06—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/04—Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Floor Finish (AREA)

Abstract

The present invention relates to a patterned plywood and a plywood multilayer bonding method.
The method of the present invention for laminating a laminating board and a plywood multilayer is a method of laminating a laminate of a pattern paper and a plywood coated with an adhesive and adhering a bottom plate through a press action of the press, And a step of laminating a plurality of laminates in such a manner that the laminates are arranged so as to face each other smoothly among the materials forming the respective bottom plate members, and adhering the laminates to a plurality of laminated laminates through a press- .
Therefore, according to the present invention, when the bottom plate is adhered through the pressing action of the press by laminating the pattern paper and the plywood which are coated with the adhesive in multiple layers, the separating plate and the smooth material are brought into contact with each other, It is possible to prevent defects such as scratches, scratches, and the like on the surface of the product, and to mass-produce the products without causing defects.

Description

A multi-ply bonding method for pattern sheet and plywood,

The present invention relates to a method for producing a bottom plate by pressurizing a press by laminating a pattern paper and a plywood which are coated with an adhesive to form a multi-layered laminate, and when the surface of the pattern or plywood is pressed, And a method for bonding a large number of bottom plates at a time so that mass production can be achieved.

Generally, in the case of the pattern paper and the plywood which form the bottom plate, the adhesive is applied on the plywood, and then the pattern paper is arranged, and then the bottom plate (also called the floor plate material) is manufactured by adhering the plywood and the plywood by applying a certain pressure A floor plate material, that is, a floor plate material manufactured by adhering a plywood with a pattern paper coated with an adhesive as described above, is disclosed in Registration Practical Utility Model No. 20-0433788 and Registration Practical Utility Model No. 20-0412460, An adhesive layer applied on the upper surface of the plywood and formed to be adhered by pressure at room temperature and a veneer single board adhered to the upper part of the plywood through the adhesive layer, The manufacturing process also includes a step of applying an adhesive to the upper surface of the plywood, and a step of arranging the veneer veneer on the upper surface of the plywood to which the adhesive is applied The steps and, the bottom plate member through the step of adhering a pattern wood veneer and plywood by pressing at room temperature, the pattern wood veneer is arranged on the top surface of the laminate state, that is, thereby producing a floor plate.

However, in the case of a bottom plate material, that is, a floor plate material manufactured through the above process, a thermoplastic resin-based adhesive is used, and an insertion protrusion inserted into one side of each side surface of the laminated wood plate, The manufacturing process and the manufacturing time are shortened as compared with the conventional floor board manufactured by applying a transparent material coating material to the surface of the leaf veneer bonded to the plywood to form a protective layer, In addition, there is an advantage that no harmful substances are discharged to the human body even after the construction, but since the worker individually manufactures the bottom plate one by one through the manufacturing process described above, a large amount of the bottom plate material is manufactured through a single pressing operation Mass production operation of the apparatus is not impossible, and the workability and productivity thereof are also lowered, There is a great problem that the economical efficiency due to the production of the articles is greatly lowered.

Therefore, in order to mass-produce the above-mentioned bottom plate, the veneer veneer is disposed on the plywood to which the adhesive is applied as described above, and the veneer is laminated in a multilayer in the press, and then the veneer and the veneer veneer are adhered However, in the case of the above-mentioned bonding method, when pressing is applied to a veneer or plywood of a laminated wood flooring laminated in multiple layers, the pressing, pressing, Scratches, and the like, resulting in a significant deterioration in the merchantability of the product. In addition, there is a problem in that a product in a defective state can not be used as a product and is discarded, resulting in an economic loss.

In order to solve the above-mentioned problems, the present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a laminated floor panel, Or by inserting a separator panel between the plywoods of another floor plate or by arranging the same materials such as the patterned edge of each floor plate and the plywood to the plywood so as to be opposed to each other so as to face each other, It is an object of the present invention to prevent occurrence of defects in products such as pressing, shooting, and scratching of the material.

In addition, in the case of the present invention, a large amount of the bottom plate material can be adhered at a time through the bonding method of the pattern paper and the plywood as described above, thereby mass-producing the pattern or the surface of the plywood without defects such as pressing, There is another purpose for this.

In order to solve the above-mentioned problems, the method of the present invention for laminating a patterned plywood and a plywood multilayer is to laminate a plywood and a plywood coated with an adhesive to produce a large amount of a bottom plate at a time through the pressing action of the press In a plywood multi-layer bonding method,

When a floor plate material in which a plurality of strips of papers and plywood are stacked in a multilayered form in which the adhesive is plotted is laminated in a press, a separating method in which a separator panel is inserted between the respective bottom plate materials, And a step of laminating a plurality of laminates in such a manner that they are arranged so as to face each other smoothly with each other, and bonding the laminates to a plurality of laminated laminates through a press-pressing action.

According to the present invention, when the bottom plate is adhered through the pressing action of the press by laminating the pattern paper and the plywood which are coated with the adhesive in multiple layers, the separator plate Or by arranging the same material such as the patterned edge pattern of each floor plate material and the same smooth materials as each other to face each other and adhere to each other, the surface of the pattern or plywood is pressed against the product, And it is possible to prevent defects from occurring.

In addition, by adhering a large amount of the bottom plate material at a time through the above-described bonding method of the pattern paper and the plywood, there is also an effect that mass production can be performed on the surface of the pattern or the plywood board without defects such as pressing, scratching and scratching.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a working state view of a fringe paper of the present invention and a plywood multilayer bonding method. Fig.
Fig. 2 is a process diagram showing a manufacturing process of a patterned plywood and a plywood multilayer bonding method of the present invention.
Figure 3 is another embodiment of Figure 1;
Fig. 4 is a process drawing showing a manufacturing process of a patterned plywood and a plywood multilayer bonding method for Fig. 3;

The fringe paper of the present invention and the plywood multilayer bonding method will be described in detail with reference to the accompanying drawings.

FIG. 1 is a view showing an operation state of a patterned plywood and a plywood multilayer bonding method of the present invention, and FIG. 2 is a process drawing showing a manufacturing process of a patterned plywood and a plywood multilayer bonding method of the present invention.

The pattern fringe and the plywood multilayer bonding method of the present invention are characterized in that the fringe paper 12 to which the adhesive 16 is applied and the plywood 14 are laminated in multiple layers, In the case of the above-mentioned separating method, as shown in Fig. 1, in the case of the above-mentioned separating method, the amount of the adhesive When the floorboards 10 having a single pattern of the pattern paper 12 and the plywood 14 on which the wood floor panels 16 are drawn are laminated in a multilayer in the press, the separable panel 20 is sandwiched between the respective floorboards 10 And the adhesive 14 is adhered to the plywood 14 and the plywood 14 as shown in Fig. 2 by adhering the laminated plywood 12 and the plywood 14 to each other through the press- (S100); Prior to lamination of the floor plate 10 having one piece of the pattern paper 12 and the plywood 14 coated with the adhesive 16 in multiple layers in the press, A step S110 of installing the separable panel 20; When stacking the floor panels 10 in which the pattern paper 12 on which the adhesive agent 16 is applied and the plywood 14 are laminated in a multilayer structure in a state where the separable panel 20 is installed on the upper surface of the press, A step S120 of inserting the separator panel 20 between the pattern paper 12 of the laminated bottom plate 10 and the plywood 14 of another bottom plate 10; The laminates 12 and the plywood 14 are laminated in a multilayered state in which the separable panels 20 are inserted between the respective bottom plate members 10 and the bottom plate member 10, And a step S130 of bonding the plurality of bottom plate members 10 to each other.

The pattern paper 12 and the plywood 14 are not limited to specific wood materials such as water-resistant plywood, particle board, MDF, HDF, WFPC and wood, but also wood, A high pressure melamine laminate (HPL), a PVC (polyvinyl chloride), a polyvinyl chloride (PVC), a polyvinyl chloride (PVC) a polyvinyl chloride film, a polypropylene (PP) film, a polyethylene terephthalate (PE) film, and a polyethylene (PE) film. In addition, various patterns such as a wood pattern or a mosaic pattern .

As described above, in the case of the separable panel 20 inserted between the bottom plate materials 10, that is, between the pattern paper 12 and the plywood 14 among the materials forming the respective bottom plate materials 10, The upper and lower surfaces of the upper and lower surfaces are made of smooth material and the upper and lower surfaces of the upper and lower sheets are made of smooth synthetic resin such as rubber or urethane, The upper and lower surfaces of the bottom plate 10 are smoothly produced by the separator panel 20 and the minimum and maximum values of the thickness are in the range of 3-9 mm. The thickness of the separable panel 20 is too small to prevent the occurrence of pressing, scratches, scratches, etc. on the surface of the pattern paper 12 or the plywood 14 due to the press-pressing action See the effect of improvements to And is difficult, if more than the other hand the thickness of the separator sheets panel (20) 9mm, the workability falls and, at the same time, the less becomes the amount of pressing at a time, there is a disadvantage that the production number less out therefrom.

In the case of the adhesive 16 applied between the fringe 12 and the plywood 14, the adhesive 16 is classified into an environmentally friendly adhesive and a general adhesive, wherein the environmentally friendly adhesive is made of ethylene vinyl acetate (EVA), polyvinyl alcohol (Ethylene vinyl acetate), water, a solvent (toluene), a solvent, and the like are mixed with each other, and a composition component such as a solution, a calcium carbonate, an environmentally friendly plasticizer, an acrylic copolymer, a dispersant, a defoaming agent, Ethylene vinyl acetate (EVA) is used to maintain the proper strength of the adhesive (16) composition. In the present invention, the composition of the present invention is mixed with a composition component such as calcium carbonate, di-butyl phthalate (DBP) The polyvinyl alcohol (PVA) solution serves to strengthen the adhesive strength and control the viscosity. The calcium carbonate serves as an inorganic filler to control the viscosity of the adhesive 16, and is used as an environmentally friendly plasticizer and plasticizer The acrylic copolymer serves to strengthen the heat resistance. The dispersant serves to disperse the calcium carbonate. The defoaming agent plays a role in suppressing bubble generation. The thickener acts as an adhesive 16), and the isocyanate compound as a curing agent serves to increase the adhesive strength, the water resistance and the heat resistance, and the solvent (toluene) serves to control the viscosity and increase the adhesion.

In addition, EVA 46-66 wt%, PVA solution 10-20 wt%, calcium carbonate 5-15 wt%, environmentally friendly plasticizer 1-5 wt%, Acrylic copolymer 1-5 wt%, dispersant 0.1- 3 to 3 wt% of an antifoaming agent, 0.1 to 3 wt% of an antifoaming agent, 0.1 to 3 wt% of a thickener and 5 to 15 wt% of an isocyanate compound as a curing agent, wherein the content of EVA is most preferably 56 wt% If the content is less than 46% by weight, the adhesive may be overcharged due to the excessive amount of the additive. On the contrary, when the content is 66% by weight or more, the moisture content of the adhesive is difficult to control do.

The content of the PVA solution is most preferably 15% by weight. When the content of the PVA solution is 10% by weight or less, the adhesive strength of the adhesive is lowered. On the contrary, when the content is 20% Or more, the water resistance of the adhesive is lowered.

In the case of calcium carbonate, the content of the calcium carbonate is most preferably 10% by weight. However, when the content of the calcium carbonate is 5% by weight or less, the moisture content of the adhesive is increased and the drying speed is slowed. The content of EVA is relatively low and the adhesive strength of the adhesive may be lowered.

In addition, in the case of the environmentally friendly plasticizer, the content thereof is most preferably 3% by weight. However, when the amount of the plasticizer is less than 1% by weight, which is the minimum value, the flexibility of the adhesive may be reduced to make it hard. On the other hand, If the content is more than 5% by weight, adhesion between the adherend and the fringe can be hindered.

In the case of the acrylic copolymer, the content of the acrylic copolymer is most preferably 3% by weight. When the content of the acrylic copolymer is less than 1% by weight, which is the minimum, the heat resistance of the adhesive deteriorates. On the contrary, If it is more than 10% by weight, the drying speed of the adhesive may be slowed down.

The content of the dispersant is most preferably 1.5% by weight. When the content of the dispersant is 0.1% by weight or less, which is the minimum, the dispersion of calcium carbonate is less likely to occur. On the contrary, %, There is a problem that it may affect cost cost and adhesive strength.

In the case of the antifoaming agent, the content of the antifoaming agent is most preferably 1.5% by weight. However, if the content of the antifoaming agent is 0.1% by weight or less, which is the minimum value, the problem of bubble marks on the adhesion surface between the adherend and the pattern paper occurs. If the content is more than 3 wt%, the cost cost and the adhesive strength may be affected.

In addition, the content of the thickener is most preferably 1.5% by weight. However, when the content of the thickener is 0.1% by weight or less, which is the minimum value, the viscosity of the adhesive is decreased and adhesive work is not smooth. When the content is 3% by weight or more, which is the maximum value, the viscosity becomes very high and the function as an adhesive is lost.

Finally, the content of the curing agent, that is, the isocyanate compound, is most preferably 10% by weight. However, when the content of the curing agent is less than 5% by weight, which is the minimum value, the adhesive strength and the drying speed are lowered. When the maximum value is 15% by weight or more, the viscosity becomes very high and the application work of the adhesive becomes very difficult.

Then, in the case of the above general adhesive, EVA 52-72 wt%, water 15-25 wt%, solvent (toluene) 5-15 wt%, calcium carbonate 3-9 wt%, plasticizer 0.1-3 wt% The content of EVA is most preferably 62% by weight. However, when the content of EVA is less than 52% by weight, which is the minimum value, the problem of excessive properties of the adhesive may be disappeared In contrast, when the content is higher than the maximum value of 72% by weight, it becomes difficult to control the moisture content of the adhesive.

The content of water is most preferably 20% by weight. When the content of water is 15% by weight or less, it is difficult to control the viscosity of the adhesive. On the other hand, when the content is 25% The adhesive force of the adhesive deteriorates.

In the case of the toluene, the content of the solvent is most preferably 10% by weight. When the content of the solvent is 5% by weight or less, which is the minimum, the adhesive strength of the adhesive is weakened. On the other hand, %, The viscosity of the adhesive is increased and a large amount of environmental hormone is generated.

In addition, the content of calcium carbonate is most preferably 6% by weight. When the content of calcium carbonate is 3% by weight or less, the moisture content of the adhesive is increased and the drying speed is slowed. On the other hand, When the maximum value is 9% by weight or more, the content of EVA is relatively lowered and the adhesive strength is lowered.

In addition, the content of the plasticizer is most preferably 1.5% by weight. When the content of the plasticizer is 0.1% by weight or less, which is the minimum, the flexibility of the adhesive is reduced and the plasticizer is hardened. On the other hand, If it is more than 3% by weight, there arises a problem that it may interfere with adhesion between the adherend and the fringe.

Finally, the content of the thickener is most preferably 1.5% by weight. However, when the content of the thickener is 0.1% by weight or less, which is the minimum, the viscosity of the adhesive becomes thin, causing problems in the bonding operation. Conversely, When the amount is more than 3% by weight, the viscosity of the composition tends to increase so that the function as an adhesive is lost.

In addition, it is known that the above-mentioned eco-friendly adhesives, general adhesives, etc. may be added with at least one of a wetting agent, a surfactant, a preservative and a catalyst as additives.

However, since the above-mentioned general adhesive contains harmful volatile chemicals such as environmental hormones, such as toluene (toluene) and xylene (xylene), the adhesive 16), and it is desirable to use environmentally friendly adhesives for indoor floors such as homes and offices.

FIG. 3 is a view showing another embodiment of FIG. 1, and FIG. 4 is a process drawing showing a manufacturing process of a pattern sheet and a plywood multilayer bonding method for FIG.

As another embodiment of the multi-layer bonding method of the present invention, the pattern paper 12 and the plywood 14 are formed by bonding the pattern paper 12 and the plywood 14, on which the adhesive 16 is applied, And a large amount of material can be adhered to the surface of the pattern paper 12 or the plywood 14 without impairing the material on the surface thereof through the pressing action of the press to enable mass production. 3, the bottom plate member 10 having the pattern paper 12 on which the adhesive 16 is drawn and the plywood 14 are formed as one piece, as shown in Fig. 3, Like materials of the respective bottom plate members 10 are opposed to each other so as to be opposed to each other and then pressed together to form a plurality of laminated pattern papers 12 and plywood plates 14 As shown in Fig. 4, Step (S200) to apply the adhesive 16 between the support 12 and the laminate 14 and the; When the floorboards 10 are laminated in the form of a single layer of the pattern paper 12 and the plywood 14 to which the adhesive 16 is applied in the form of a multilayer, the plywood 14 is placed on the upper and lower surfaces of the press (S210); A pair of padding sheets 12 on which the adhesive 16 is applied and a plywood 14 on one side of the padding 14 in the state that the plywood 14 of each bottom plate 10 is positioned on the upper and lower surfaces of the press, Each of the bottom plate members 10 is arranged so as to face each other with the same material such as the pattern paper 12 and the pattern paper 12 and the plywood 14 and the plywood board 14 (S220); Each of the bottom plate members 10 is pressed by a press in a state in which the same material such as the pattern paper 12 and the pattern paper 12 and the plywood board 14 and the plywood board 14 are arranged so as to face each other smoothly, And a step (S230) of bonding the laminated paper 12 and the plywood 14 to produce a plurality of bottom plate members 10.

In the case of the adhesive 16 applied between the fringe 12 and the plywood 14, the adhesive 16 applied between the fringe 12 and the plywood 14, as shown in Figs. 1 and 2, Among them, eco-friendly adhesive 16, namely, EVA 46-66 wt%, PVA solution 10-20 wt%, calcium carbonate 5-15 wt%, environmentally friendly plasticizer 2-4 wt%, Acrylic copolymer 2-4 wt% -1.5% by weight of an antifoaming agent, 0.5-1.5% by weight of an antifoam agent, 0.5-1.5% by weight of a thickener, and 5-15% by weight of an isocyanate compound as a curing agent. .

It is also disclosed in advance that at least one of a wetting agent, a surfactant, a preservative, and a catalyst may be added to the environmentally friendly adhesive mixed with the above-described components.

As described above, according to the multi-layer bonding method of the present invention of the present invention and the plywood 14, the bottom plate member 10 having one piece of the pattern paper 12 and the plywood 14 in which the adhesive 16 is drawn, 1 to 2, the upper surface of the laminated floor plate 10, that is, the upper side of the laminated floor plate 10, and the other floor plate 10, 3 to 4, or a material such as a smooth material that is smooth to each other among the materials for forming the respective bottom plate members 10, that is, the bottom plate members 20, A plurality of laminates 12 are piled up by a press-punching action and laminated in such a manner that the laminates 10 are arranged so as to face each other between the pattern paper 12 and the pattern paper 12 and the plywood 14 and the plywood 14, When the plywood 14 is adhered, the press is pressed so that each of the floor panels 10 stacked in multiple layers, that is, the pattern papers 12 of each bottom panel 10 and the plywood 1 4, a defect occurs in a product such as a pressed, a shot, a scratch, or the like on the surface of the pattern paper 12 or the plywood 14 through a method in which the separable sheet 20 or the smooth material is brought into contact with each other And it is also possible to mass-produce the product without the defect described above.

Although the preferred embodiments of the present invention have been described for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims. .

10. Flooring
14. Plywood 16. Adhesive
20. Kanji panel
S100, S200. Adhesive application between fringe and plywood
S110. Installed Kanji panels on the upper surface of the press
S120. A separator panel is inserted between each of the bottom plate materials to which the adhesive is applied between the pattern paper and the plywood,
S130, S230. Manufacture of a number of bottom plate materials with press papers and bonded plywood with plywood
S210. Place the plywood of the bottom plate on the upper and lower surfaces of the press.
S220. In the case of stacking the floor panels,

Claims (5)

delete A pattern paper 12 for laminating the pattern paper 12 and the plywood 14 coated with the adhesive 16 in multiple layers so that a large amount of the bottom plate material 10 can be produced at a time through the pressing action of the press, And plywood (14) In a multilayer bonding method,
When the floorboards 10 having a single set of the pattern paper 12 and the plywood 14 on which the adhesive 16 is drawn are stacked in a multilayer in the press, the separable panels 20 ), And bonding the plywood 14 to the plurality of piled papers 12 through the press-pressing action,
The separating method includes a step (S100) of applying an adhesive 16 between the pattern paper 12 and the plywood 14; Prior to lamination of the floor plate 10 having one piece of the pattern paper 12 and the plywood 14 coated with the adhesive 16 in multiple layers in the press, A step S110 of installing the separable panel 20; When stacking the floor panels 10 in which the pattern paper 12 on which the adhesive agent 16 is applied and the plywood 14 are laminated in a multilayer structure in a state where the separable panel 20 is installed on the upper surface of the press, A step S120 of inserting the separator panel 20 between the pattern paper 12 of the laminated bottom plate 10 and the plywood 14 of another bottom plate 10; The laminates 12 and the plywood 14 are laminated in a multilayered state in which the separable panels 20 are inserted between the respective bottom plate members 10 and the bottom plate member 10, And a step S130 of bonding a plurality of bottom plate members 10 by adhesion,
The upper and lower surfaces of the separable panel 20 are smooth and smooth, the thickness of the separable panel 20 is 3-9 mm,
The adhesive 16 may comprise at least one of the following materials: EVA (ethylene vinyl acetate) 46-66 wt%, PVA (poly vinyl alcohol) solution 10-20 wt%, calcium carbonate 5-15 wt%, eco- Wherein the adhesive is an eco-friendly adhesive having an average particle size of 5 to 5 wt%, a dispersant of 0.1 to 3 wt%, an antifoam agent of 0.1 to 3 wt%, a thickener of 0.1 to 3 wt%, and an isocyanate compound of 5 to 15 wt% Way. A pattern paper 12 for laminating the pattern paper 12 and the plywood 14 coated with the adhesive 16 in multiple layers so that a large amount of the bottom plate material 10 can be produced at a time through the pressing action of the press, And plywood (14) In a multilayer bonding method,
When the floorboards 10 having a single pattern of the pattern paper 12 and the plywood 14 in which the adhesive 16 is plotted are stacked in a multilayer in a press, (12) and the plywood (14) by means of a press-pressing action, wherein the plywood (12) and the plywood (14)
The method of applying the warp yarn includes a step S200 of applying an adhesive 16 between the pattern paper 12 and the plywood 14; When the floorboards 10 are laminated in the form of a single layer of the pattern paper 12 and the plywood 14 to which the adhesive 16 is applied in the form of a multilayer, the plywood 14 is placed on the upper and lower surfaces of the press (S210); A pair of padding sheets 12 on which the adhesive 16 is applied and a plywood 14 on one side of the padding 14 in the state that the plywood 14 of each bottom plate 10 is positioned on the upper and lower surfaces of the press, Each of the bottom plate members 10 is arranged so as to face each other with the same material such as the pattern paper 12 and the pattern paper 12 and the plywood 14 and the plywood board 14 (S220); Each of the bottom plate members 10 is pressed by a press in a state in which the same material such as the pattern paper 12 and the pattern paper 12 and the plywood board 14 and the plywood board 14 are arranged so as to face each other smoothly, And a step S230 of bonding the laminated paper 12 and the plywood 14 to produce a plurality of bottom plate members 10,
The adhesive 16 may comprise at least one of the following materials: EVA (ethylene vinyl acetate) 46-66 wt%, PVA (poly vinyl alcohol) solution 10-20 wt%, calcium carbonate 5-15 wt%, eco- Wherein the adhesive is an eco-friendly adhesive having an average particle size of 5 to 5 wt%, a dispersant of 0.1 to 3 wt%, an antifoam agent of 0.1 to 3 wt%, a thickener of 0.1 to 3 wt%, and an isocyanate compound of 5 to 15 wt% Way. delete delete
KR1020150070234A 2015-05-20 2015-05-20 multi-ply bonding method for pattern sheet and plywood KR101702751B1 (en)

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KR101702751B1 true KR101702751B1 (en) 2017-02-03

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KR102214053B1 (en) 2019-08-22 2021-02-09 주식회사 서한안타민 Apparatus for laminating thermosetting resindecorative sheet

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KR101945239B1 (en) 2018-03-07 2019-06-11 이형석 Manufacturing apparatus for decorative sheet and processing using the same
KR102214053B1 (en) 2019-08-22 2021-02-09 주식회사 서한안타민 Apparatus for laminating thermosetting resindecorative sheet

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