KR20140040943A - Wooden membrane wrapped acrylic panel manufacturing method - Google Patents

Wooden membrane wrapped acrylic panel manufacturing method Download PDF

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Publication number
KR20140040943A
KR20140040943A KR1020120107625A KR20120107625A KR20140040943A KR 20140040943 A KR20140040943 A KR 20140040943A KR 1020120107625 A KR1020120107625 A KR 1020120107625A KR 20120107625 A KR20120107625 A KR 20120107625A KR 20140040943 A KR20140040943 A KR 20140040943A
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KR
South Korea
Prior art keywords
acrylic
acrylic plate
adhesive
film body
wooden
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Application number
KR1020120107625A
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Korean (ko)
Inventor
허진희
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허진희
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Priority to KR1020120107625A priority Critical patent/KR20140040943A/en
Publication of KR20140040943A publication Critical patent/KR20140040943A/en

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    • 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
    • B32B21/08—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 synthetic resin
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
    • 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
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • 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
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/16—Drying; Softening; Cleaning
    • B32B38/164—Drying
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Laminated Bodies (AREA)

Abstract

The present invention relates to a method for manufacturing an acrylic panel used in interior finishing materials for building, various lightweight structures and lighting fixtures, and the like, wherein a wooden film body 11 is adhered to a transparent or translucent acrylic plate 10. Although the panel is constituted, a low-viscosity adhesive liquid 12 diluted with an organic solvent is impregnated between the wood film body 11 and the acrylic plate 10 to form a compressed adhesive surface, and the adhesive surface of the wood film body 11 is formed. On the back side, the synthetic resin film 15 is laminated so that the acrylic film-attached acrylic panel can be manufactured without laminating a pair of acrylic plates 10 in a sandwich form.
Through the present invention, in manufacturing the acrylic panel with the wood film body 11, not only the acrylic plate 10 can be manufactured without sandwiching the sandwich type, but also close adhesion is possible while minimizing the amount of the remaining solute in the adhesive surface. And poor adhesion such as bubble residues in the adhesion surface can be effectively suppressed.

Figure P1020120107625

Description

Wood film attachment type acrylic panel manufacturing method {WOODEN MEMBRANE WRAPPED ACRYLIC PANEL MANUFACTURING METHOD}

The present invention relates to a method for manufacturing an acrylic panel used in interior finishing materials for building, various lightweight structures and lighting fixtures, and the like, wherein a wooden film body 11 is adhered to a transparent or translucent acrylic plate 10. Although the panel is constituted, a low-viscosity adhesive liquid 12 diluted with an organic solvent is impregnated between the wood film body 11 and the acrylic plate 10 to form a compressed adhesive surface, and the adhesive surface of the wood film body 11 is formed. On the back side, the synthetic resin film 15 is laminated so that the acrylic film-attached acrylic panel can be manufactured without laminating a pair of acrylic plates 10 in a sandwich form.

Acrylic plates are easy to process, lightweight, and relatively freely molded, so that they are widely used in the manufacture of interior finishing materials, as well as signboards, lighting fixtures, and various sundries.

In particular, transparent or semi-transparent acrylic plates have a relatively low brittle fracture property, so they are commonly used as substitutes for glass plates.As a result, various resin sheets, papers, or laminated wood are attached to the transparent or translucent acrylic plates. By expressing the pattern, various acrylic plate processed products have been developed to secure aesthetics and commerciality.

Among the processed materials of acrylic plate, the wooden film body which contains the physical materials such as the wood thin plate which cut the timber with fine thickness or the paper pulp which is produced mainly from the wood pulp is a natural and beautiful pattern. Due to the acryl plate adhesion material, Patent No. 916234 and Utility Model Registration No. 400262 are mentioned as the acrylic film processing technology applied to the wood film body.

Patent No. 916234 and Utility Model Registration No. 400262 disclose that a wooden film sheet adhered to an acrylic plate is made by applying a thin wooden plate and a paper sheet respectively but the basic lamination or attachment method is substantially the same , A quick drying adhesive is first applied to both sides of the neck of a neck wrapper and dried to form a rubber layer or a resin layer, that is, a melted layer at the time of heat fusion bonding, then laminated between a pair of acrylic plates, .

Therefore, heating is inevitably accompanied in the process of attaching the wood film body to the acrylic plate, which may cause structural deformation such as bending and torsion due to the characteristics of the acrylic plate, which is weak to heat. Even if this is minimized, there is a serious problem that unnecessary hardening, glossiness and transparency decrease due to thermal deformation of the acrylic plate surface.

In order to solve this problem, it is possible to consider a method of applying a common adhesive rather than heat-sealing the wood film body and the acrylic plate, but this is a general surface finish using a synthetic resin film or the like As a technique for communicating, not only problems such as bubbles remaining in the adhesive surface and poor adhesion, but also unnecessary stress is generated in the adhesive target film between the bonding process itself or the drying and curing process of the adhesive, which is a post-treatment process. Serious problems may arise that are transmitted and the acrylic plate is deformed.

That is, in adhering the film to the acrylic plate, a tensile force is applied to the outer portion of the film to smoothly develop the film. At this time, the acrylic plate is bent or twisted while the tensile-deformed film is contracted and restored after adhesion.

In addition, since the wooden film body such as the wooden thin plate and the Korean paper can not form a completely smooth surface due to the nature of the tissue, a uniform and uniform bonding state can be formed by the conventional bonding system And there is a problem that the neck of the neck is broken during the bonding process.

In addition, regardless of thermal fusion and adhesion, in a conventional acrylic film with a wooden film body, a rubber or resin solute that forms a fusion layer or an adhesive layer as an active ingredient of the adhesive exhibits substantial adhesion. Is a typical combustible material. When the final product is made of acrylic plate, it is easily burned due to the friction of the cutting tool in the process of cutting the acrylic plate, so the cutting part is discolored or excessive scrap is formed on the cutting part. There is a serious problem that requires a separate post-treatment process such as work.

In particular, it is possible to freely set the cutting linear shape and to perform the rapid work, so that the rubber and the resin solute in the adhesive are fiercely burned during the processing by the laser cutting, which has recently been spotlighted, so that the discoloration and thermal deformation are excessively enlarged, .

On the other hand, all of the conventional wood film body applied acrylic plate described above has a structure in which a wood film body is laminated between a pair of acrylic plates, that is, a pair of acrylic plates, and acrylic plates are formed on both sides of the finished panel. In most applications, such as building finishing materials, only one side of the plate is exposed to the outside, and although the acrylic plate does not need to be formed on both sides, the surface of the wooden film body is prevented from being damaged during the heat welding process. In order to secure the waterproof and the back of the inevitably constitutes an acrylic plate on both sides, this has caused a problem that excessive manufacturing cost is required.

The present invention has been made in view of the above-described problems, and in the method for producing an acrylic panel having a wooden film body 11 attached to the back of the acrylic plate 10, the liquid organic solvent is 85 wt% to Applying the adhesive solution 12, the mixture of 90% by weight and 10% to 15% by weight of the solute and adhere the wood film body 11 on the back of the acrylic plate 10 to form an acrylic plate 10 adhesive And laminating a synthetic resin film 15 on the surface of the wooden film body 11 of the acrylic plate 10 adhesive to form an acrylic plate 10 coating body, and covering the acrylic plate 10. By compressing the sieve with the press press 30, the structure of the wood film body 11 is compressed to smooth the adhesive surface between the acrylic plate 10 and the wood film body 11, and the adhesive liquid 12 in a state in which residual bubbles in the adhesive surface are removed. ), Which is a step of completing an acrylic panel by drying the wood film body-type acrylic plaque It is a manufacturing method.

In addition, the adhesive liquid 12 mixed with 85% to 90% by weight of the liquid organic solvent and 10% to 15% by weight of the solute is applied, and the wooden film body 11 is adhered to the acrylic plate 10 to form an acrylic plate. (10) constructing the adhesive, and compressing the wood film body 11 by pressing the adhesive on the acrylic plate 10 with the pressing press 30 to compress the acrylic film 10 and the wood film body 11. Drying the adhesive liquid 12 in a state in which the adhesive surface between the surfaces is smoothed and residual bubbles in the adhesive surface are removed, thereby forming an acrylic plate 10 press body, and a wooden film body 11 of the acrylic plate 10 press body. Laminating a synthetic film (15) on the surface (laminate) and a method for producing a wood panel attached acrylic panel, characterized in that it comprises a step of completing an acrylic panel, the liquid organic solvent is toluene, cyclohexane, normal hexane, In the group consisting of methyl ethyl ketone, acetone or mixtures thereof It is a method of producing a wood film body attached acrylic panel characterized in that it is selected.

Through the present invention, in manufacturing the acrylic panel with the wood film body 11, not only the acrylic plate 10 can be manufactured without sandwiching the sandwich type, but also close adhesion is possible while minimizing the amount of the remaining solute in the adhesive surface. And poor adhesion such as bubble residues in the adhesion surface can be effectively suppressed.

As a result, the quality and performance of the acrylic panel with the wood film body 11 can be improved while reducing the manufacturing cost. In particular, when the wood film body 11 and the acrylic plate 10 are attached, an integral heating process Since this is excluded, side effects such as thermal denaturation and gloss reduction of the acrylic plate 10 can be essentially blocked, and the beautiful surface state of the finished product can be effectively maintained.

In addition, by minimizing the residual adhesive solute in the finished acrylic panel it is possible to suppress the combustion phenomenon generated during the cutting process and to improve the workability.

1 is a partially cutaway perspective view of an acrylic panel manufactured through the present invention
2 is a sectional view taken along the line A-A 'in Fig. 1
3 is an explanatory diagram of a process of performing an embodiment of the present invention
FIG. 4 is a flowchart illustrating a modified embodiment of the present invention
5 is a perspective view of an acrylic panel manufactured through the present invention

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

First, Fig. 1 is a partially cutaway perspective view showing a layer structure of a wooden film attachable acrylic panel 11 manufactured according to the present invention. The present invention is a rear surface of an acrylic plate 10 as shown. That is, when the present invention is used as an interior finishing material for building, the wood film body 11 is closely adhered to the back surface of the acrylic surface exposed to the outside, and the synthetic resin film 15 is attached to the back surface of the wood film body 11. It is laminated and manufactures the board | plate material by which the acryl plate 10, the wooden film body 11, and the film 15 were integrated.

In the illustrated embodiment, a wood plate material of finely laminated solid wood is applied as the wood film body 11, and the transparent or translucent acrylic plate 10 is used as the acrylic plate 10 to which the wood film body 11 is attached. It is applied so that natural wood grain pattern can be expressed on the finished acrylic panel.

2 is a cross-sectional view of the present invention, as in the elliptic enlargement of the figure, while forming a smooth adhesive surface with the adhesive liquid 12 hardened in the compressed state of the wood film body 11 It can be seen that the adhesion to the back of the acrylic plate 10, such a tight and smooth adhesion state can be achieved through the process of the process as shown in Figure 3, which will be described in detail as follows.

As shown in FIG. 3, the present invention is disclosed by first bonding a wood film body 11 to the back surface of the acrylic plate 10 shown in the upper surface of the acrylic plate 10 to form an acrylic plate 10 adhesive body. A low viscosity adhesive liquid 12 is used for adhesion of the acrylic plate 10 and the wooden film body 11, and the acrylic plate 10 in a state in which the adhesive liquid 12 is impregnated in the tissue of the wooden film body 11. Is bonded with.

At this time, the application of the adhesive liquid 12 may be applied to either the acrylic plate 10 or the wooden film body 11, but the adhesive liquid 12 is adhered to the acrylic plate 10 in consideration of the flexibility of the wooden film body 11. The method of adhering the wood film body 11 after spray application of the liquid 12 may be considered first.

The adhesive liquid 12 applied to the present invention is different from the conventional adhesives in which an organic solvent and a rubber or resin solute are mixed, and their properties. A large amount of the organic solvent is contained to form a low-viscosity liquid. The sieve 11 is to allow easy penetration into the tissue.

Organic solvents applied to the adhesive solution 12 of the present invention include toluene, cyclohexane, normal hexane, methyl ethyl ketone or acetone, and their Mixtures may be applied.

In addition, the solute of the adhesive solution 12 may be a rubber-based solute and a phenol resin as a solute-based solute. These organic solvents and solutes are components used in conventional oil-based adhesives. The composition ratio of the solute is 70% to 80% by weight and 20% to 30% by weight, respectively, and is not only large in viscosity, but also contains a relatively large amount of solute, so that an excessive solid is formed on the adhesive surface when it is dried after adhesion. In the present invention, by applying a low-viscosity adhesive solution (12) mixed with 85% to 90% by weight of the liquid organic solvent and 10% to 15% by weight of the solute to suppress the formation of excessive solids after adhesion and when applying the adhesive solution 12 Easily penetrated into the film forming body 11 was made possible.

Considering that the composition ratio of the solute in the conventional oil-based adhesive is 20% by weight to 30% by weight, and the composition ratio of the solute in the adhesive liquid 12 of the present invention is 10% by weight to 15% by weight, there is a large difference in solute content at first glance. Although it may appear that there is no, the solute composition ratio of the present invention can be achieved by adding twice the organic solvent as compared to the conventional oil-based adhesive, substantially varying the viscosity and solids residual amount of the adhesive liquid 12 Will be displayed.

The adhesive solution 12 of the present invention may be formed by mixing the same amount of an organic solvent such as toluene in a commercial adhesive, or may be prepared by mixing an organic solvent and a solute in the above-described composition ratio in the initial manufacturing step of the adhesive. In the case of a commercial adhesive, a plurality of organic solvents are generally used in a mixed state, and when mixing the organic solvent with a commercial adhesive, it is preferable to select and dilute the main organic solvent in the adhesive.

Since the adhesive liquid 12 of the present invention has a relatively low content of rubber or resin solute, which is an active ingredient, as compared with a conventional adhesive, it may be misunderstood that the adhesive force will be lowered. Rather, considering that the wood film body 11 has a high porosity ratio and has a loose structure and an irregular surface, as in the enlarged left ellipse of FIG. 3, the low-viscosity adhesive solution 12 of the present invention having a reduced solute is Since the wooden membrane body 11 can be smoothly penetrated into the tissue and it is advantageous for rapid diffusion in the tissue and formation of a highly smooth adhesive surface through the compression press 30 to be described later, there is no problem in the expression of the desired adhesive force. do.

As such, when the wooden film body 11 is attached to the acrylic plate 10 and the adhesive of the acrylic plate 10 is completed, the acrylic plate 10 adhesive is introduced into the laminator 20, and the wooden film body 11 surface. That is, by laminating the synthetic resin film 15 on the back of the adhesive surface of the wooden film body 11, the acrylic plate 10 in which the acrylic plate 10, the wooden film body 11 and the synthetic resin film 15 are sequentially laminated It forms a coating body.

When the acrylic plate 10 coating body is completed through the laminator 20, the acrylic plate 10 coating body is pressed by the pressing press 30, so that the wooden film body 11 is formed as in the enlarged portion in the right ellipse of FIG. By compressing the tissue, the adhesive surface between the acrylic plate 10 and the wooden film body 11 is smoothed, and residual bubbles in the adhesive surface are removed, and the adhesive liquid 12 is dried and cured by maintaining this state for a predetermined time. As shown in FIG. 5, an acrylic panel attached to the wood film body 11, which is firmly integrated and has a beautiful pattern, is manufactured.

In addition, as shown in FIG. 3, in order to ensure productivity, a plurality of acrylic plates 10 may be added to the pressing press 30 in a state of being stacked. In this case, each of the laminated acrylic plates 10 is stacked. It is preferable to insert a release paper 19 between the coating bodies so that unnecessary adhesion is not generated in the pressing process.

Meanwhile, FIG. 4 is a modified embodiment of the present invention in which the lamination process is performed in the final stage, which will be described in detail as follows.

First, as in the embodiment of FIG. 3, the embodiment of FIG. 4 is also started by bonding the wood film body 11 to the back surface of the acrylic plate 10 to form an acrylic plate 10 adhesive body.

Subsequently, the acrylic film 10 is compressed by the press press 30 to compress the wood film body 11 so as to smooth the adhesive surface between the acrylic plate 10 and the wood film body 11 and to remain in the adhesive surface. Drying the adhesive liquid 12 in the state of removing bubbles is performed to form an acrylic plate 10 compression body, wherein as shown in Figure 4 by stacking a plurality of acrylic plate 10 adhesive body compression press In the case of adding to (30), the release paper 19 must be laminated between the respective acrylic plate 10 adhesive to prevent unnecessary adhesion between the acrylic plate 10 adhesive.

When the acrylic plate 10 press body is completed, the acrylic plate 10 press body is put into the laminator 20 to laminate the synthetic resin film 15 on the surface of the wooden film 11, as shown in FIG. 5. The wooden film 11 attached type acrylic panel which is firmly integrated and expresses a beautiful pattern is manufactured.

10: acrylic plate
11: Thin film body
12: Adhesive liquid
15: Film
19: release paper
20: Laminator
30: compression press

Claims (3)

In the method of manufacturing the acrylic panel with the wooden film body 11 attached to the back of the acrylic plate 10,
Applying the adhesive liquid 12 mixed with 85% to 90% by weight of the liquid organic solvent and 10% to 15% by weight of the solute, and adheres the wood film body 11 to the back of the acrylic plate 10 acrylic plate 10 ) Constructing the adhesive;
Laminating a synthetic resin film 15 on the surface of the wooden film body 11 of the acrylic plate 10 to form an acrylic plate 10 coating body;
By compressing the acrylic plate 10 coating body with a pressing press 30, the structure of the wooden film body 11 is compressed to smooth the adhesive surface between the acrylic plate 10 and the wooden film body 11, and the residual bubbles in the adhesive surface are removed. Method of producing a wood film-coated acrylic panel, characterized in that the step of drying the adhesive solution 12 in the excluded state to complete the acrylic panel.
In the method of manufacturing the acrylic panel with the wooden film body 11 attached to the back of the acrylic plate 10,
Applying the adhesive liquid 12 mixed with 85% to 90% by weight of the liquid organic solvent and 10% to 15% by weight of the solute, and adheres the wood film body 11 to the back of the acrylic plate 10 acrylic plate 10 ) Constructing the adhesive;
By compressing the acrylic plate 10 adhesive body with the press press 30, the structure of the wooden film body 11 is compressed to smooth the adhesive surface between the acrylic plate 10 and the wooden film body 11, and the residual bubbles in the adhesive surface are removed. Drying the adhesive liquid 12 in the excluded state to form an acrylic plate 10 compressed body;
Laminating a synthetic resin film (15) on the surface of the wood film body 11 of the acrylic plate (10) crimping body (laminate) to complete the acrylic panel, characterized in that the wood film body attached acrylic panel manufacturing method.
The method of claim 1 or 2, wherein the liquid organic solvent is selected from the group consisting of toluene, cyclohexane, normal hexane, methyl ethyl ketone, acetone or mixtures thereof.
KR1020120107625A 2012-09-27 2012-09-27 Wooden membrane wrapped acrylic panel manufacturing method KR20140040943A (en)

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Application Number Priority Date Filing Date Title
KR1020120107625A KR20140040943A (en) 2012-09-27 2012-09-27 Wooden membrane wrapped acrylic panel manufacturing method

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