KR101283868B1 - Interior panel comprising pattern parts and process for preparing the same - Google Patents

Abstract

The present invention is a base resin portion having a thixotropy of 1.2 to 3.0 before curing; And a resin layer having a pattern part contained in the base resin part to implement a pattern to the outside. In the present invention, the panel pattern is implemented by the resin material itself, and the pattern is not limited to the surface, but is continuously embedded in the entire interior. Accordingly, the panel of the present invention has a variety of colorful appearance, and the appearance effect is not only maintained even if additional processing such as abrasion due to long-term use or polishing as necessary, in some cases more unique, beautiful decoration You can implement the effect.

Interior panel, pattern part, resin layer, backing layer, fluidity adjustment additive, thixotropy

Description

Interior panel comprising pattern parts and process for preparing the same

The present invention is a base resin portion having a thixotropy of 1.2 to 3.0 before curing; And a resin layer having a pattern part contained in the base resin part to implement a pattern to the outside.

The interior panel is a building material frequently used to produce beauty in the interior walls of various buildings and the like, and examples thereof include panels made of wood or synthetic resin. In order to enhance the decorative effect by giving the interior panel a beautiful appearance, a method of printing or coating a constant color or pattern on the surface of the panel or attaching various decorative sheets such as natural veneer sheet is used.

For example, Japanese Patent No. 3,722,390 is a curable resin cosmetic material in which a cosmetic material, a base material, an adhesive layer, a colored concealment layer, a first curable resin layer, a decoration layer, and a second curable resin layer are sequentially laminated. A cosmetic material in which a pattern of is formed by a method such as gravure printing or offset printing is disclosed. In addition, Japanese Laid-Open Patent Publication No. 2000-158896 discloses an uncured liquid polymer containing gas or generating gas between the surface plate and the back plate, and the amount of gas, the gap between the surface plate and the back plate, thickness or temperature, and the like. By adjusting, a decorative plate is disclosed in which the liquid polymer is cured while forming a pattern. In addition, Korean Patent Laid-Open Publication No. 2007-9656 discloses that a decorative layer, a transparent resin layer, and a transparent surface protective layer are sequentially laminated on a base sheet made of a polyolefin resin, and the decorative layer is printed or coated using a coloring ink or a coating agent. The decorative sheet formed by this is disclosed.

However, in the case of the existing interior panel, the layer showing the decorative effect is limited to the surface only. Accordingly, when the surface is worn over a long period of time or subjected to additional processes such as polishing, the decorative effect is greatly reduced. In addition, the existing method of coating or printing colors or patterns, or using a separate decorative layer not only restricts the colors or patterns that can be displayed on the panel, but also enables flat expression so that various and colorful appearances and properties can be realized. Has a difficult problem.

The present invention has been made in consideration of the above-described prior art, by implementing the pattern of the panel by the resin material itself, so that the pattern is represented not only on the surface but also throughout the interior, has a variety of colorful appearance, wear or additional polishing It is an object of the present invention to provide an interior panel and a method of manufacturing the same, in which a decorative effect is maintained not only by the process, but also in some cases, a more unique and beautiful decorative effect is realized.

The present invention as a means for solving the above problems, a base resin portion having a thixotropy of 1.2 to 3.0 before curing; And it provides an interior panel comprising a resin layer having a pattern portion contained in the base resin portion to implement a pattern to the outside.

According to another aspect of the present invention, the thixotropy before curing of the base resin portion may be 1.5 to 2.5.

According to another aspect of the present invention, the base resin portion may include a fluidity adjusting additive, wherein the fluidity adjusting additive may be at least one selected from the group consisting of nano silica, urea resin and polyamide resin, The fluidity adjusting additive may be included in an amount of 0.5 to 10 parts by weight based on 100 parts by weight of the base resin.

According to another aspect of the invention, the base resin portion includes at least one selected from the group consisting of unsaturated polyester resin, epoxy resin, vinyl ester resin, polyamide resin, urea resin, melamine resin, acrylic resin and ABS resin do.

According to another aspect of the present invention, the pattern portion may be continuously formed in the depth direction from the surface of the resin layer, wherein the pattern portion may include a dye, pigment, color resin, chip or pearl.

According to another aspect of the present invention, the thixotropy before curing of the pattern portion may be 1.2 to 3.0, and the pattern portion may be included in an amount of 0.01 to 10 parts by weight based on 100 parts by weight of the base resin.

According to another aspect of the present invention, the resin layer is a flame retardant material, a high specific gravity material, a softening agent, an inorganic filler, a crosslinking agent, a curing agent, an antifoaming agent, a light stabilizer, a pigment, a dye, a UV absorber, a release agent, a polymerization inhibitor and an antioxidant It may further comprise one or more selected from the group consisting of.

According to another aspect of the present invention, the resin layer may have a thickness of 1 mm to 10 mm, and the panel may further include a backup layer formed on one side or both sides of the resin layer.

The present invention as another means for solving the above problems, a first step of preparing a curable composition by blending the base resin and the pattern material; And a second step of curing the curable composition prepared in the first step.

According to another aspect of the production method of the present invention, the first step may further include a step of adjusting the thixotropy of the base resin or the pattern portion raw material in the range of 1.2 to 3.0.

According to another aspect of the production method of the present invention, the step of processing or thermoforming the surface of the resin layer prepared through the first step and the second step using a computer numerical control method can be further performed. In addition, a process of laminating a backup layer on one or both surfaces of the resin layer manufactured through the first and second steps may be further performed.

In the present invention, by implementing the pattern of the interior panel by the resin material itself, the pattern is not limited to the surface of the panel, but is continuously expressed in the entire interior. Accordingly, the panel of the present invention has a variety of colorful appearance, and not only the appearance decorative effect is maintained by the occurrence of wear or additional polishing process due to long-term use, but also in some cases can implement a more unique and beautiful decorative effect.

The present invention, the base resin portion having a thixotropy of 1.2 to 3.0 before curing; And

The present invention relates to an interior panel including a resin layer included in the base resin part and having a pattern part configured to implement a pattern to the outside.

Hereinafter, the interior panel of the present invention will be described in detail.

The present invention is characterized in that the thixotropy before curing of the base resin portion included in the interior panel is 1.2 to 3.0. The term "pre-curing thixotropy" used in the present invention means the thixotropy of the curable composition to constitute the base resin portion. In the present invention, by forming a base resin portion using the composition controlled the thixotropy as described above, it is possible to implement a pattern portion formed continuously in various directions in the interior of the resin layer, it is also possible to implement a more vivid and colorful patterns. If the thixotropy before curing of the base resin portion is out of the above-described range, the raw material (eg, a color resin containing pigment and / or dye) added to form a pattern portion in the manufacturing process may have a desired shape during the curing process. There is a fear that phenomena such as crushing, sinking, spreading and thinning may occur. That is, when the thixotropy before hardening of a base resin part is out of the range mentioned above, control of a pattern part shape becomes difficult. Accordingly, in the present invention, the thixotropy before curing of the base resin portion is adjusted to 1.2 to 3.0, and the thixotropy is more preferably in the range of 1.5 to 2.5. If the thixotropy is less than 1.2, the pattern may not be clearly realized. If the thixotropy is more than 3.0, it is difficult to remove bubbles generated in the resin layer, resulting in bubble marks or excessively high viscosity, resulting in workability. There is a risk of deterioration.

Thus, the method of controlling the thixotropy before hardening of a base resin part is not specifically limited, For example, it can achieve by including a fluidity adjustment additive in a base resin part suitably. At this time, examples of the fluidity adjusting additive may include, but are not limited to, one or more selected from the group consisting of fumed silica, urea resin, and polyamide resin. In addition, the content of the fluidity adjusting additive can be appropriately set according to the desired thixotropy, and is not particularly limited, but is preferably 0.5 to 10 parts by weight based on 100 parts by weight of the base resin.

The type of base resin used in the interior panel of the present invention is not particularly limited as long as the above-described thixotropy is satisfied. That is, in the present invention, all resins generally used in the field of panel manufacturing may be used, and examples thereof include thermosetting resins such as unsaturated polyester resins, epoxy resins, vinyl ester resins, polyamide resins (nylons), urea resins, or melamine resins. Suzy; And thermoplastic resins such as acrylic resins or ABS resins. In the present invention, one or more kinds of the above resins may be mixed and used.

The resin layer included in the panel of the present invention is included in the above-described base resin portion, and includes a pattern portion for implementing a pattern to the outside. An example of one embodiment of such a resin layer of the present invention is shown in FIG. As shown in FIG. 1, the resin layer 1 of the interior panel of the present invention includes a pattern portion 2 together with the base resin portion 3, and the pattern portion 2 is external to the resin layer 1. Embodies a variety of colorful patterns. In the present invention, as shown in Fig. 1, the pattern portion 2 is characterized in that it is formed continuously in the resin layer (1). As described above, in the case of the existing panel used as a building material, the appearance effect is limited only to the surface, and thus the pattern is extinguished or deformed due to abrasion, polishing, etc., so that it is not suitable for long-term use. However, in the case of the panel of the present invention, the pattern portion 2 is not limited to the surface of the resin layer 1, but is continuously formed in the entire resin layer 1, and thus the appearance effect is achieved even after processing such as wear or surface polishing. Of course, in some cases a more unique effect is implemented. It is preferable that such a pattern part 2 is continuously formed in the depth direction from the surface of the resin layer 1. At this time, the pattern portion 2 may be started from the surface of the resin layer 1 and may be continuous in the depth direction to an internal predetermined region, in some cases, to the bottom. In addition, when the base resin portion 3 is made of a resin having transparency, the pattern portion 2 does not necessarily have to be formed from the surface, but may be continuously formed in various directions from an internal constant region to a predetermined region. Can be.

In the present invention, since the pattern portion 2 is implemented as a resin material itself, rather than a separate attachment of a coating or a decoration layer, various and colorful patterns can be three-dimensionally implemented without particular limitation. For example, in the present invention, it is possible to easily implement a pattern having a shape of grains of a certain size arranged to have a texture such as marble stone texture, granite texture on the surface and inside of the resin layer, or a combination thereof. have. In addition, not only the shape, but also various wood grains, stones, sand grains, tiles, bricks, cloth texture, leather, geometric figures, letters, symbols or various abstract patterns may be implemented.

The pattern part 2 as mentioned above can be formed by mix | blending together the material distinguished from the main material (base resin 3) which comprises the resin layer 1 in a manufacturing process. At this time, by controlling the thixotropy before curing of the base resin in the above-described range, it is possible to form a continuous pattern portion of various shapes as described above. The material forming the pattern portion is not particularly limited, and a person skilled in the art can easily select and apply an appropriate material according to the desired pattern portion. Examples of the material include various dyes or pigments having a color distinct from the main material; Color resin; Chips, pearls, and the like, but are not limited thereto. What is necessary is just to mix | blend suitably the various resin or pigment distinguished from a main material in the resin composition which has the same composition as the raw material which comprises a base resin as mentioned above. In addition, the specific type of the chip in the above is not particularly limited, for example, acrylic resin chips, resin chips such as (unsaturated) polyester resin chips or epoxy resin chips, which are frequently used in the field of building materials such as artificial marble or panel, or Chips made of natural materials, such as mother-of-pearl, stone, stone powder, quartz and mirror powder, etc., but are not limited thereto. In the present invention, the resin layer itself included in the interior panel of the present invention may be pulverized and used as a chip.

Moreover, in this invention, it is preferable to control the thixotropy before hardening of the said pattern part like the above-mentioned thixotropy before hardening of the base resin part (namely, 1.2-3.0, Preferably it is the range of 1.5-2.5). Such control of the thixotropy before curing of the patterned portion exhibits the synergistic effect and control of the thixotropy before curing of the base resin portion described above, thereby enabling the formation of a vivid and beautiful patterned portion. The method of controlling the thixotropy before hardening of such a pattern part is not specifically limited, For example, like the base resin part mentioned above, it can achieve by adding a fluidity | control fluid adjustment additive suitably to the raw material which comprises a pattern part. In this case, the specific type and content of the fluidity adjusting additive are the same as those of the base resin part described above.

It is preferable that such a pattern part is contained in a resin layer in the quantity of 0.01-10 weight part with respect to 100 weight part of base resins. If the content is less than 0.01 part by weight, the desired color may not be observed well. If the content is more than 10 parts by weight, problems such as deterioration of workability such as delay of polymerization time and / or discoloration due to ultraviolet rays may occur. .

In the present invention, depending on the application to which the panel is to be applied, it is possible to impart flame retardancy, high specific gravity and / or softness to the resin layer, and the method for this is not particularly limited.

For example, in the present invention, in order to impart flame retardancy to the resin layer, an appropriate flame retardant material may be included in the base resin portion. The flame retardant material at this time may be a conventional material in this field, such as one or more selected from the group consisting of halogen-based flame retardant, phosphorus-based flame retardant, aluminum hydroxide, magnesium hydroxide, alumina and silicon dioxide.

Moreover, the method of giving high specific gravity to the interior panel of this invention is not specifically limited, For example, the method of including a high specific gravity substance in the said base resin part is mentioned. In this case, examples of the high specific gravity material include, but are not limited to, compounds containing a high specific gravity filler such as hard coal, coal, or barium sulfate.

The method of providing softness to the interior panel of the present invention is also not particularly limited. Examples of the method include a method of adjusting the glass transition temperature by adjusting the content and / or type of the monomer constituting the base resin portion in the manufacture of the panel; Or a method of adding an appropriate softening agent to the base resin portion.

The content of the flame retardant, high specific gravity material and / or softening agent in the resin layer is not particularly limited, and may be appropriately selected within a range that does not impair the effects of the invention.

The resin layer of the present invention may also further contain 50 to 200 parts by weight of inorganic filler based on 100 parts by weight of the base resin. Examples of the inorganic filler include, but are not limited to, one or more selected from the group consisting of aluminum hydroxide, magnesium hydroxide, and calcium aluminate. In the present invention, the inorganic filler may also be used by surface treatment with a coupling agent such as a silane coupling agent or a titanate coupling agent for dispersibility, strength of marble and prevention of precipitation.

The resin layer of the present invention may further include 0.1 to 10 parts by weight of the crosslinking agent based on 100 parts by weight of the base resin. The crosslinking agent may be used without particular limitation as long as it is commonly used in this field, but ethylene glycol dimethacrylate, diethylene glycol dimethacrylate, triethylene glycol dimethacrylate, tetraethylene glycol dimethacrylate, Preference is given to using at least one selected from the group consisting of 1,6-hexanediol dimethacrylate, polybutylene glycol dimethacrylate and neopentylglycol dimethacrylate.

The resin layer of the present invention may further include 0.1 to 10 parts by weight of a curing agent based on 100 parts by weight of the base resin. The curing agent may be used without particular limitation as long as it is commonly used in the art, for example diacyl peroxide, hydro peroxide, t-butyl peroxy maleic acid, t-butylhydro peroxide, acetyl peroxide, lauro One or more selected from the group consisting of one peroxide, azobisisobutyronitrile, azobisdimethylvaleronitrile, t-butyl peroxy neodecanoate and t-amyl peroxy 2-ethyl hexanoate. .

The resin layer of the present invention is also an antifoaming agent in a range that does not affect the effect of the invention in addition to the above; Light stabilizers; Organic or inorganic pigments or dyes; Ultraviolet absorber; Stearic acid type or silicone type release agent; Polymerization inhibitors of catechol-based or hydroquinones; And one or more additives selected from the group consisting of phenolic, amine, quinone, sulfur or phosphorus antioxidants may be appropriately added.

It is preferable that the thickness of the resin layer of this invention containing the above components exists in the range of 1 mm-10 mm. However, in the present invention, the thickness is not limited to the above, and the thickness of the resin layer can be appropriately changed depending on the application to which the panel is applied.

As shown in FIG. 2, the interior panel of the present invention may further include a backup layer 4 formed on one or both surfaces of the resin layer 1. Such a backup layer 4 is intended to improve the mechanical strength and ease of construction of the entire panel. As the backup layer 4, those commonly used in this field can be used, and are not particularly limited. As an example of a backup layer, what is manufactured by hardening the resin composition to which additives, such as a filler and a reinforcement agent, were added by the casting method or the press method is mentioned. Examples of the resin used at this time may be the same as the base resin described above, but is not limited thereto.

The present invention also comprises a first step of preparing a curable composition by blending the base resin and the pattern material; And

Second step of curing the curable composition prepared in the first step

It relates to a manufacturing method of the interior panel comprising a.

In the first step of the present invention, the base resin and the pattern part raw material are suitably blended to prepare a curable composition. The specific kind of base resin is as above-mentioned. The pattern material is not particularly limited as long as it is distinguished from the base resin, which is the main material, and the pattern can be expressed in the resin layer. Examples thereof include pigments, dyes, color resins, various chips, and pearls. . The pattern part raw material as described above may be suitably blended with the base resin in the first step, and in the case of pearl, it may be blended with the base resin in a dispersed state in an appropriate solvent (ex. Toluene, xylene).

Further, in the first step of the present invention, the above-described flame retardant material, high specific gravity material, softener and other additives may be suitably blended with the curable composition.

In the manufacturing method of the present invention, the first step as described above may further perform a step of controlling the thixotropy of the base resin or the pattern part raw material in the range of 1.2 to 3.0, preferably 1.5 to 2.5. At this time, the method of controlling the thixotropy is not particularly limited, and the type and / or content of the material forming the base resin or the pattern part is controlled, or in some cases, an appropriate amount of the fluidity adjusting additive is added to the base resin or the pattern part raw material. It can be controlled by adding, wherein the specific type and content of the fluidity control additive is as described above.

In the second step of the present invention, the curable composition prepared as described above is cured. At this time, the curing method is not particularly limited. For example, in this invention, the method of hardening | curing gradually, conveying the said curable composition from a conveyance belt, or hardening | curing by means, such as hot air drying, after putting into a metal mold | die of a desired shape can be used.

In the production method of the present invention, a step of appropriately cutting and / or sanding the resin layer cured in the second step may be further performed. In some cases, the surface of the resin layer may be further processed or thermoformed by using computer numerical control (CNC). In the resin layer of the present invention, as described above, the pattern portion is continuously formed in the interior, so that the pattern portion is not deteriorated by such surface processing and thermoforming, and in some cases, more colorful and unique patterns can be expressed. have.

In the method of the present invention, it is also possible to further perform a step of laminating a backup layer on one side or both sides of the resin layer prepared as described above. In this case, the backing layer may use a conventional material prepared by curing a resin composition mixed with an additive such as a filler and a reinforcing agent using a casting or pressing method. In addition, the method of laminating the backup layer is also not particularly limited, and may be appropriately polished after laminating using a means such as a conventional adhesive or the like, or applying and curing the resin composition itself to constitute the backup layer to the manufactured resin layer. It can be formed by a method such as.

Hereinafter, the present invention will be described in more detail through examples according to the present invention and comparative examples not according to the present invention, but the scope of the present invention is not limited to the examples given below.

Example

0.5 parts by weight of BYK AT204 (organic thixotropic agent), 3 parts by weight of a benzoate initiator, a silicone antifoaming agent to 100 parts by weight of a composition containing an epoxy acrylate resin (specific gravity: 1.6) and methyl methacrylate in a ratio of 9: 1. 0.5 weight part and 0.1 weight part of benzotriazole type light stabilizers were added, and the resin layer raw material (base resin) was manufactured. Subsequently, a pigment was mixed in the same composition as that of the resin layer material, and a pattern part material having a color different from that of the material was manufactured in two colors. Subsequently, 50 g of the pattern forming material was added to 1 Kg of the resin layer raw material (base resin), and the mixture was stirred so as not to mix completely, and then placed in a glass mold (width × length = 200 mm × 200 mm) and cured at a temperature of 60 ° C. or higher. I was. Subsequently, the cured product was cooled and demolded, and one side was coated with a mixture containing 250 parts by weight of calcium carbonate, 1.0 part by weight of initiator, and 5 parts by weight of crosslinking agent with respect to 100 parts by weight of acrylic resin, and then cured at 60 ° C. or higher. . Subsequently, the surface of hardened | cured material was grind | polished and the panel which contains the backup layer and has the beautiful striped appearance over the whole resin layer was obtained.

BRIEF DESCRIPTION OF THE DRAWINGS It is a figure which shows the resin layer in which the stripe based on one aspect of this invention was represented.

2 is a view showing an interior panel in which a resin layer is laminated on a backup layer according to one aspect of the present invention.

≪ Description of reference numerals &

1: resin layer

2: pattern

3: base resin part

4: backup layer

Claims (17)

A base resin part having a thixotropy of 1.2 to 3.0 before curing; And a resin layer contained in the base resin part and having a pattern part of a resin material for implementing a pattern to the outside. The pattern portion is continuously formed in the depth direction from the surface of the resin layer, the thickness of the resin layer is 1 mm to 10 mm interior panel. The method of claim 1, Interior panel, characterized in that the thixotropy before curing of the base resin portion is 1.5 to 2.5. The method of claim 1, The interior resin portion, characterized in that it comprises a fluidity adjustment additive. The method of claim 3, wherein Interior panel, characterized in that the fluidity control additive is at least one selected from the group consisting of nano silica, urea resins and polyamide resins. The method of claim 3, wherein The flowability adjusting additive is contained in an amount of 0.5 to 10 parts by weight based on 100 parts by weight of the base resin. The method of claim 1, An interior panel, wherein the base resin is at least one selected from the group consisting of unsaturated polyester resins, epoxy resins, vinyl ester resins, polyamide resins, urea resins, melamine resins, acrylic resins and ABS resins. delete The method of claim 1, The pattern portion includes a dye, a pigment, a color resin, chips or pearls. The method of claim 1, Interior panel, characterized in that the thixotropy before curing of the pattern portion is 1.2 to 3.0. The method of claim 1, The pattern portion is an interior panel, characterized in that contained in an amount of 0.01 to 10 parts by weight based on 100 parts by weight of the base resin. The method of claim 1, The resin layer further includes at least one selected from the group consisting of flame retardant materials, high specific gravity materials, softening agents, inorganic fillers, crosslinking agents, curing agents, antifoaming agents, light stabilizers, pigments, dyes, UV absorbers, mold release agents, polymerization inhibitors and antioxidants. Interior panel characterized in that. delete The method of claim 1, Interior panel, characterized in that it further comprises a backup layer formed on one side or both sides of the resin layer. Stir not to mix the base resin and the pattern material of the resin material completely, and then harden Method of manufacturing an interior panel of claim 1 comprising a. delete 15. The method of claim 14, And further comprising a step of processing or thermoforming the surface of the resin layer prepared by the above step using a computer numerical control method. 15. The method of claim 14, Method for laminating a backup layer on one side or both sides of the resin layer prepared by the above step.

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