JP4121488B2 - Cosmetic material and method for producing the same - Google Patents

Cosmetic material and method for producing the same Download PDF

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JP4121488B2
JP4121488B2 JP2004252647A JP2004252647A JP4121488B2 JP 4121488 B2 JP4121488 B2 JP 4121488B2 JP 2004252647 A JP2004252647 A JP 2004252647A JP 2004252647 A JP2004252647 A JP 2004252647A JP 4121488 B2 JP4121488 B2 JP 4121488B2
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transparent resin
resin film
embossed
decorative
layer
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JP2006068947A (en
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智 上野
真一 井上
達也 吉田
靖 大山
五大 鈴木
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大建工業株式会社
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  The present invention relates to a decorative material having good decorative properties that can be used as a surface material for furniture and cabinets, or as an interior surface material for buildings, and a method for producing the same. It relates to what can be expressed.
  Conventionally, cosmetic materials such as decorative sheets that express three-dimensional appearance, glossiness, and radiance are known as interior materials such as cabinets such as kitchen cabinets, furniture doors, and wall materials. For example, it is described in Patent Document 1, Patent Document 2, and Patent Document 3.
The decorative sheet described in Patent Document 1 includes, in order from the surface, a transparent resin film, a resin film containing a glossy pigment such as a pearl pigment having an embossed pattern formed on the surface, and an opaque base sheet. The decorative sheet described in Patent Document 2 includes, in order from the surface, an ultraviolet curable resin layer, a transparent resin sheet containing a bright pigment such as a pearl pigment, and a vinyl chloride resin sheet. In addition, the decorative sheet described in Patent Document 3 is, in order from the surface, a smooth and transparent resin material, a transparent ink layer made of vinyl chloride / vinyl acetate copolymer resin, a transparent layer having a concavo-convex pattern formed on the surface, It consists of a base material layer made of a pattern printing pattern and a colored resin material formed with glitter ink such as pearl ink.
JP-A-5-92538 Japanese Patent Laid-Open No. 7-256834 Japanese Patent Laid-Open No. 2003-136666
  However, such conventional decorative sheets are prepared by kneading a glittering substance such as metal powder or pearl pigment into a film or resin, or by printing a pattern on the sheet surface with glittering ink. However, it is artificial, and it takes time and effort to mix an expensive glittering substance, so that there is a problem that the production becomes complicated and the production cost increases.
  The present invention has been made in view of the above-described conventional problems, and is a decorative material having a good decorative property capable of expressing a three-dimensional glossiness and radiance without using a brilliant substance such as a pearl pigment, and the makeup. It aims at providing the manufacturing method of the cosmetics which can manufacture material with sufficient productivity.
  In order to achieve the above-mentioned object, the present invention is a decorative material having a glittering surface, and an embossed concavo-convex pattern is engraved on the surface side of the transparent film bonded to the substrate surface. A coating layer of a solvent-free radiation-curable transparent resin coating is formed so that the embossed uneven pattern is embedded on the surface, and the refractive index of the coating layer is a refractive index of the transparent resin film. The thing that is lower than the rate is to use. Specifically, the following solutions were taken.
That is, the invention described in claim 1 is a base material, a transparent resin film bonded to the surface of the base material via a hot melt resin adhesive layer , and the transparent A coating layer of a solvent-free radiation-curable transparent resin coating formed on the surface of the transparent resin film, and the transparent resin film has a colored decorative layer on the back side thereof and a surface side thereof An embossed concavo-convex pattern having a depth reaching at least the hot melt resin adhesive layer is engraved on the coating layer, and the coating layer has a lower refractive index than that of the transparent resin film. It is made of a resin paint and is provided so as to be a smooth surface in which the embossed uneven pattern is embedded .
The invention according to claim 2 is characterized in that, in the invention according to claim 1 , the thickness of the transparent resin film is 4 μm to 200 μm, and the depth of the embossed uneven pattern is 20 μm to 500 μm. To do.
The invention according to claim 3 is the invention according to claim 1 or 2 , characterized in that the embossed uneven pattern is a textured embossed uneven pattern.
In the invention according to claim 4 , as a method for producing the decorative material, a transparent resin film having a colored decorative layer provided on the back surface by printing or painting is adhered to the surface of the base material by a hot melt resin adhesive . Thereafter, an embossed concavo-convex pattern having a depth reaching at least the hot melt resin adhesive layer is engraved on the surface of the transparent resin film by pressurizing the surface of the transparent resin film with an embossing mold, and then the embossing is performed. Apply a solvent-free radiation-curable transparent resin coating with a refractive index lower than that of the transparent resin film on the concavo-convex pattern surface so that the embossed concavo-convex pattern is embedded to form a coating layer with a smooth surface. It is characterized by doing .
The invention according to claim 5 is characterized in that, in the invention according to claim 4 , the thickness of the transparent resin film is 4 μm to 200 μm, and the depth of the embossed uneven pattern is 20 μm to 500 μm. To do.
The invention according to claim 6 is the invention according to claim 4 or 5 , wherein the embossed uneven pattern is a textured embossed uneven pattern.
The decorative material according to the invention of claim 1 is provided with a colored decorative layer on the back surface side of a transparent resin film bonded to the substrate surface via a hot melt resin adhesive layer, and at least a hot melt resin adhesion on the surface side. An embossed concavo-convex pattern with a depth reaching the agent layer is engraved, and on this embossed concavo-convex pattern surface, a coating layer of a solventless radiation-curable transparent resin paint having a refractive index lower than that of the transparent resin film, Since the embossed concavo-convex pattern is provided so as to be a smooth surface, the colored decorative layer is made of a transparent resin even if the colored decorative layer or the transparent resin film is not mixed with a glittering substance such as a pearl pigment. Through the coating layer of the film and solvent-free radiation-curable transparent resin paint with a lower refractive index, the embossed uneven pattern on the surface of the transparent resin film is solvent-free and radiation-curable transparent Through the coating layer of the resin coating material, three-dimensional gloss, can exhibit decorative good appearance and emerge on the surface with a natural luster. Moreover, since a hot melt resin adhesive is used for the adhesive, the adhesive layer can be heat-softened, and a sharp and deep embossed uneven pattern that reaches the adhesive layer or the base material can be easily obtained. And an embossed pattern with a more three-dimensional appearance can appear on the surface of the decorative material.
The decorative material according to a second aspect of the present invention is the decorative material according to the first aspect of the present invention, which shows a preferable range of the thickness of the transparent resin film and the depth of the embossed uneven pattern.
The decorative material according to a third aspect of the present invention is the decorative material according to the first or second aspect , wherein the embossed uneven pattern on the surface of the transparent resin film is shown in a suitable shape. As a result, a three-dimensional glossy feeling and a natural glittering feeling can appear in a uniform state on the surface of the decorative material.
The method for producing a decorative material according to the invention of claim 4 does not require an expensive pearl pigment or metallic powder or other glittering material to be mixed in the colored decorative layer or the transparent resin film, and is not necessary for the transparent resin paint. Since a solvent-based radiation-curable transparent resin coating is used, embossed uneven patterns and smooth surface formation can be performed better than resin coating diluted with a solvent. Furthermore, VOC (toluene, No volatile organic substances such as xylene and styrene are generated, and the production environment is good. Therefore, the cosmetic material having the effect of the invention of claim 1 can be produced with good economic efficiency, productivity, and workability. . Moreover, since the hot melt resin adhesive is used for the adhesive, the surface of the transparent resin film can be pressed with an embossing mold in a state where the adhesive layer is heat-softened. Moreover, since the hot-melt resin does not require a solvent, the decorative material having the effect of the invention of claim 1 can be manufactured with better embossability or better workability.
The manufacturing method of a decorative material according to the invention of claim 5 is the invention according to claim 4 , in which the thickness of the transparent resin film and the depth of the embossed uneven pattern are in a suitable range. As described in the effect of the invention of claim 4 , it can be manufactured with good productivity and productivity.
Manufacturing method of decorative material according to the invention of claim 6 is the invention of claim 4 or 5, shows a preferred shape of the embossed concavo-convex pattern, a decorative material having the effect of the invention of claim 3, claim 4 or As described in the effect of invention of 5 , it can manufacture with sufficient productivity and productivity.
  Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG.1 and FIG.2 shows the cosmetics A and B which are embodiment of this invention.
(Embodiment 1)
FIG. 1 shows a decorative material A according to Embodiment 1 of the present invention. As shown in FIG. 1, the decorative material A was applied to the base material 1, the transparent resin film 3 adhered to the surface of the base material 1 via the adhesive layer 2, and the surface of the transparent resin film 3. A coating layer 4 of a solventless radiation-curable transparent resin coating having a refractive index lower than that of the transparent resin film 3, a colored decorative layer 5 printed or painted on the back side of the transparent resin film 3, and transparency It is comprised with the embossing uneven | corrugated pattern 6 engraved in the depth from the surface of the resin film 3 into the base material 1. The coating layer 4 has a smooth surface, and the embossed uneven pattern 6 is embedded in the coating layer 4.
(Embodiment 2)
FIG. 2 shows a decorative material B according to Embodiment 2 of the present invention. From FIG. 2, the decorative material B is different from the decorative material A in that the embossed uneven pattern 6 is engraved at a depth from the surface of the transparent resin film 3 into the adhesive layer 2. is the same as the decorative material a.
  Hereinafter, these components of the present invention will be described in detail.
(Substrate 1)
As the substrate 1, a sheet-like or plate-like one can be used. The material is not particularly limited. For example, paper, wood thin veneer, synthetic resin sheet or film, etc. can be used for sheet, and wood plate, wood thick veneer for plate. , Plywood, MDF, LVL, particle board, wafer board, volcanic glassy multilayer board (trade name “Dailite” manufactured by Daiken Kogyo Co., Ltd.) and the like can be used. Moreover, the composite material which combined the said sheet-like thing, the composite material which compounded the plate-shaped thing, or the composite material which compounded the sheet-like thing and the plate-shaped thing can also be used as the base material 1. .
(Adhesive layer 2)
As the kind of the adhesive used for forming the adhesive layer 2, a hot melt resin system is used. That is, since this hot melt resin adhesive is softened by heat, it can be easily subjected to a bending process such as a V-cut folding process as a post process, and can be applied to the adhesive layer 2 or the substrate 1 by a heated embossing mold. It is preferable because a sharp embossed concavo-convex pattern 6 having a deep depth can be formed.
  In addition, since the hot melt resin adhesive does not require a solvent, it does not generate VOC, is excellent in production workability, and is solidified by cooling, so that a drying step and an adhesive curing step are not required. Note that the moisture-curing urethane-based hot melt resin adhesive has an advantage of good heat resistance.
(Transparent resin film 3)
Examples of the resin used for the transparent resin film 3 include polyethylene terephthalate, polymethyl methacrylate, and polycarbonate. In particular, polyethylene terephthalate is preferable because it has a high refractive index and can exhibit good glitter. Moreover, it is preferable that the thickness of the transparent resin film 3 is about 4 micrometers-200 micrometers. When the thickness is less than 4 μm, the expression of brightness becomes insufficient, and when the thickness is 200 μm or more, it becomes difficult to form the sharp embossed uneven pattern 6.
(Coloring makeup layer 5)
It is effective and desirable that the colored decorative layer 5 is preliminarily coated with a colored paint or subjected to gravure printing or the like on the entire back surface side of the transparent resin film 3. However, the present invention is not limited thereto, and for example, at least the surface of the adhesive layer 2 can be colored to form a colored decorative layer 5, and a colored makeup film is applied between the adhesive layer 2 and the transparent resin film 3. Alternatively, the colored decorative layer 5 can be formed by bonding with a sheet. Furthermore, when the adhesive layer 2 is transparent or translucent, the surface color or surface pattern of the substrate 1 can be used as the colored decorative layer 5.
  The color tone or pattern of the colored decorative layer 5 is arbitrary, but the darker color such as brown, black, amber, reddish purple, and moss green is more brilliant than the white or lighter color. It is preferable because the appearance is conspicuous.
(Embossed relief pattern 6 provided on the surface side of the transparent resin film 3)
The embossed uneven pattern 6 provided on the surface side of the transparent resin film 3 is preferably formed to a depth of about 20 μm to 500 μm. The depth of the embossed concavo-convex pattern 6 is other when reaching the substrate 1 as shown in FIG. 1, generally fit into the adhesive layer 2 as shown in FIG. 2, if not reached the substrate 1 There may be.
  When the depth of the embossed concavo-convex pattern 6 is less than 20 μm, it is not preferable because the three-dimensional effect is poor and it is difficult to obtain a decorative appearance combined with a glittering feeling. The film thickness of the coating layer 4 of the system radiation curable transparent resin coating is thick and uneconomical, and the resin coating does not cure efficiently by irradiation with radiation such as ultraviolet rays or electron beams. Since bubbles may be generated in the inside, it is not preferable. The depth of such an embossed concavo-convex pattern 6 can be adjusted depending on the pattern and shape, and is usually preferably about 20 μm to 200 μm.
  The shape of the embossed concavo-convex pattern is not particularly limited, but it is preferably a cloth-like shape in order to express a glitter feeling.
(Coating layer 4 of solvent-free radiation-curable transparent resin coating 4)
As the transparent resin coating material constituting the coating film layer 4, an acrylic resin that is cured by ultraviolet rays (UV) or electron beams (EB) can be used. Moreover, it is preferable to use a film whose refractive index is lower than that of the transparent resin film 3, preferably 0.07 or more.
  The coating layer 4 is formed to have a thickness larger than the depth of the embossed concavo-convex pattern 6, for example, 30 μm when the depth of the embossed concavo-convex pattern 6 is 20 μm and 230 μm when the depth is 200 μm. The embossed concavo-convex pattern 6 is formed so as to embed a concave portion and to have a smooth surface.
(How to use cosmetics A and B )
When the base material 1 is a film or sheet such as paper, a resin sheet, a resin film, or a thin wood veneer, the decorative materials A and B having the above-described configuration are plywood, MDF, LVL, particle board, plastic. Affixed to boards such as plates, metal plates, gypsum slag plates, cement calcium silicate plates, trade name Dylite (Daiken Kogyo Co., Ltd.), etc. as decorative plates such as doors and side plates of kitchen cabinets or interior boards Can be used. At this time, if the decorative materials A and B are configured to give flexibility and softness, the surface of the substrate is not a flat surface but a curved surface, and the side surface from the surface of the substrate through the corners. It can also be pasted so as to wrap continuously.
  Moreover, when the base material 1 consists of plate-shaped objects, such as a plywood and MDF, a decorative material can be used directly as decorative plates, such as a door of a said kitchen cabinet, a side plate, or an interior board. Furthermore, if the portion of the base material 1 on the back surface of this decorative material is processed into a so-called V-cut folded decorative material that can be bent by cutting out into a substantially V-shaped cross-section opening on the back surface leaving the surface layer, It can also be made into a decorative material that can be applied continuously from the surface of a box, such as a body or furniture or cabinet, to the side surface through corners.
(Embodiment 1 of the manufacturing method of the cosmetic material of this invention)
Embodiment 1 of the manufacturing method of the cosmetic material of this invention is demonstrated based on FIG . 3 (a) and 3 (b) show a state in which a hot melt resin adhesive is applied to the base material 1 and the base material 1 to form an uncured adhesive layer 2 ′, and FIG. A state in which a transparent resin film 3 having a colored decorative layer 5 provided in advance on its back surface is to be placed and laminated on the surface of the base material 1 on which the cured adhesive layer 2 ′ is formed, (d) Is a state where the embossed uneven pattern 6 is to be engraved on the surface of the transparent resin film 3 by heating with the heated embossed mold 8, and (e) is an embossed uneven pattern on the surface of the transparent resin film 3 by the heated embossed mold 8. 6 is engraved, and (f) is a non-solvent radiation-curable transparent resin coating applied on the surface of the transparent resin film 3 engraved with the embossed uneven pattern 6 so that the embossed uneven pattern 6 is embedded. Then, the coating film layer 4 of the paint is formed, and is formed on the decorative material of the present invention Show.
First, as shown to (a) of FIG. 3 , said sheet-like or plate-shaped base material 1 is prepared.
Next, as shown in FIG. 3B, the adhesive is applied to the surface of the substrate 1. 2 'is an uncured adhesive layer. The normal adhesive can be applied by a known means such as a roll coater or a flow coater. Since a hot melt resin adhesive is used as the adhesive, it can be performed by a hot melt resin adhesive coating apparatus equipped with a heated roll coater 10. When hot melt resin is used as an adhesive, the thickness of the coating is set to about 10 μm to 200 μm.
  Next, a transparent resin film 3 having a colored decorative layer 5 provided in advance on the back surface is prepared. The colored decorative layer 5 on the back surface of the transparent resin film 3 can be formed by applying a colored paint, printing such as gravure printing using a colored ink, or laminating adhesion of a colored decorative sheet or a colored decorative film.
  Here, when the transparent resin film 3 having poor adhesion and adhesion to other materials, such as polyethylene terephthalate resin, is used as the transparent resin film 3, corona discharge treatment, plasma treatment, anchor coating on one or both sides thereof. It is desirable to improve the adhesion and adhesion to the synthetic resin paint and the colored ink in advance by performing treatment, frame treatment and the like.
  It should be noted that, if the colored decorative layer 5 is previously bonded to the back surface of the transparent resin film 3 as in the first embodiment, the production efficiency is good, but the formation of the colored decorative layer 5 is not limited to such a method. For example, by forming a colorant in the adhesive, the formed adhesive layer 2 can be used as the colored decorative layer 5. In the case where a transparent adhesive is used, at least the surface of the base material 1 can be colored to make the colored decorative layer 5.
Next, as shown in FIG. 3C, the transparent resin film 3 provided with the colored decorative layer 5 on the back surface is placed on the surface of the uncured adhesive layer 2 ′ on the surface of the base material 1. Then, as shown in FIG. 3D, the surface of the placed transparent resin film 3 is pressed by a heated embossing die 8 heated to 70 ° C. to 200 ° C., and as shown in FIG. The embossed concavo-convex pattern 6 is engraved.
FIG. 3E shows an example in which the embossed uneven pattern is formed to a depth reaching the inside of the substrate 1 as shown in FIG. 1, but the embossed uneven pattern 6 is an adhesive as shown in FIG. it is of course possible to when reaching the layer 2.
Here, even if the heating embossing die 8 is a plate-like embossing die 8 provided with an embossed uneven pattern 6 'on the surface as shown in FIG. 3D, an embossed uneven pattern is provided on the peripheral surface. The roll-shaped heated embossing die 8a may be used. The plate-like hot embossing die 8 can be used by being attached to a press device such as a hot press and pressed in a batch manner, and the roll-like hot embossing die 8a is paired with a support roll. None, the material to be embossed can be used between the pair of rolls so as to narrow the pressure.
Next, the surface of the transparent resin film 3 engraved with the embossed uneven pattern 6 is coated with a solventless radiation-curable transparent resin coating so that the embossed uneven pattern 6 is sufficiently embedded. Forms a smooth coating layer 4 to obtain the decorative material of the present invention. As shown in FIG. 3 (f), the solvent-free radiation curable transparent resin coating is applied by a flow coater or a knife coater in order to sufficiently embed the embossed uneven pattern 6 to obtain a smooth coating surface. It is good to use.
  In addition, as described above, the resin coating is an ultraviolet curing type or an electron beam curing type, so that curing can be accelerated and productivity can be improved even if the coating layer 4 is thick. As such a resin coating, the coating layer 4 is formed using a resin having a refractive index lower than that of the transparent resin film 3. Usually, a transparent acrylic resin paint having excellent surface scratch resistance is used. In addition, solvent-based paints are cured and contracted, so that sufficient embedding properties cannot be obtained, and therefore solvent-free paints are used.
  In addition, the thickness of the coating layer 4 to be formed determines whether to cure with ultraviolet rays or with electron beams. If the thickness of the coating layer 4 is less than 130 μm, both UV curing and electron beam curing are suitable for curing the resin coating, but if it exceeds 130 μm, electron beam curing is required to cure the resin coating satisfactorily. Is desirable.
(Embodiment 2 of the manufacturing method of the cosmetic material of this invention)
In Embodiment 2, a method for manufacturing a case where the substrate 1 is a continuous sheet, it will be described with reference to the FIG. 4 (a) ~ (c) .
Used as a continuous sheet of paper or a resin sheet or the like on the substrate 1, Runode using a hot melt resin adhesive, it can be a continuous production system.
  First, the base material 1 in the form of a continuous sheet wound up in a roll shape is fed out, and a hot melt resin adhesive is applied by a hot melt resin coating apparatus equipped with a heated roll coater 10, and the hot melt resin is uncured. In the meantime, the transparent resin film 3 having the colored decorative layer 5 applied to the back surface in advance is sent out and adhered to the base material 1. Here, winding is performed once. Thereafter, an adhesive is applied to the surface of the second base material 14 that serves as a base for placing the laminated sheet 15 in which the wound base material 1 and the transparent resin film 3 are integrated with each other via a hot melt resin. The laminated sheet 15 is applied and fed so that the substrate 1 side (rear surface side) of the laminated sheet 15 is in contact with the surface of the second substrate 14. Disconnect with. On the embossed concavo-convex pattern of the laminated sheet 15 placed and bonded to the second substrate 14, a solventless radiation-curable transparent resin paint is applied with a flow coater 12 or a knife coater (not shown), and the radiation irradiation device 17. The coating is cured by irradiating with ultraviolet rays or electron beams.
  Further, when the laminated sheet 15 is not placed on the second base material 14, after the laminated sheet 15 is wound up, the flow coater 12 or knife coater (not shown) is used on the embossed uneven pattern of the laminated sheet 15. A solvent-based radiation curable transparent resin coating is applied, and the coating is cured by irradiating with ultraviolet rays or electron beams to obtain a sheet-like decorative material. After the hot melt adhesive is cooled and solidified, it is wound up.
  It is also possible to produce a cosmetic material by laminating a release resin film on the surface coated with a solvent-free radiation curable transparent resin coating, and peeling the release resin film after curing by radiation irradiation.
(Embodiment 3 of the manufacturing method of the cosmetic material of this invention)
Substrate 1 is a plate-like, transparent resin film 3 a method of manufacturing the case of a continuous sheet, will be described with reference to (a) ~ (b) of FIG.
  In a state where a hot melt resin adhesive is applied to the base material 1 to form an uncured adhesive layer 2 ′, the back surface is colored in advance on the surface of the base material 1 on which the uncured adhesive layer 2 ′ is formed. The transparent resin film 3 to which the decorative layer 5 is applied is sent out and adhered to the base material 1, and the transparent resin film 3 is cut with a cutter 16 in a state of being adhered to the base material 1. After the embossed concavo-convex pattern 6 is engraved on the surface of the transparent resin film 3 with the heated embossing roll 8a, the flow coater 12 and the knife coater (not shown) are formed on the surface of the transparent resin film 3 engraved with the embossed concavo-convex pattern 6. Then, a solvent-free radiation-curable transparent resin coating is applied, and the coating is cured by irradiating the irradiation device 17 with ultraviolet rays or an electron beam.
  Next, specific examples will be described.
(Example 1)
It is an Example at the time of using a continuous sheet-like thing for a base material.
The surface of the transparent resin film made of polyethylene terephthalate is anchored, and the back side is plasma-irradiated to obtain a continuous transparent resin film having a thickness of 25 μm and a refractive index of 1.61. A black color ink was printed using a printing machine, a black colored decorative layer was applied, and a transparent resin film having a colored decorative layer formed on the back surface was prepared. Also, a hot-melt resin coating apparatus using a continuous high-quality paper having a basis weight of 100 g / m 2 as a base material, and a surface of the base material, a moisture-curable urethane resin hot melt resin adhesive and a heated roll coater. Was applied at a rate of 60 g / m 2 .
  Next, the transparent resin film is continuously placed on the surface of the base material in which the applied hot-melt resin adhesive layer is in an uncured state by bringing the back surface side on which the colored decorative layer is applied into contact therewith. The laminated sheet comprising the base material and the transparent resin film was pressed with a nip roll heated to 130 ° C., and the base material and the transparent resin film were continuously bonded.
  Next, immediately after laminating the base material and the transparent resin film, the laminated sheet is formed using a heated embossing roll having a textured uneven pattern with a depth of 300 μm on the peripheral surface and heated to 80 ° C. The surface of the transparent resin film is continuously pressed to form a fine embossed concavo-convex pattern having an average depth of about 50 μm on the surface, and the laminated sheet on which the fine woven embossed concavo-convex pattern is formed. Was wound into a roll.
Next, a vinyl acetate resin adhesive is applied to the surface of the second substrate made of MDF having a thickness of 3 mm, and the laminated sheet is laminated and bonded, and then a solvent-free ultraviolet ray having a refractive index of 1.54. A curable transparent acrylic resin paint is applied by a flow coater at a rate of 100 g / m 2 , embossed uneven patterns on the surface of the transparent resin film are embedded, and the ultraviolet curable transparent acrylic resin paint is irradiated with ultraviolet rays. It was cured to obtain a cosmetic material according to Example 1 of the present invention.
  The decorative material thus obtained had a highly decorative appearance in which a fine textured embossed pattern with black and textured appearance appeared on the surface with a three-dimensional effect and a glittering feeling on a smooth surface.
  In addition, when the pencil hardness of the cosmetic material surface was measured by a pencil hardness test (JISG0202), it has HB hardness, and further, the MDF portion which is the second base material on the back surface thereof is V-cut processed. Although bending was performed at an angle of 90 °, no damage such as cracks, cracks or white turbidity occurred on the surface of the corner, and it had good V-cut suitability.
(Example 2)
It is an Example at the time of using a plate-shaped thing for a base material.
  The surface of the transparent resin film made of polyethylene terephthalate is anchored, and the back side is subjected to plasma irradiation treatment to obtain a transparent resin film having a thickness of 50 μm and a refractive index of 1.68. Was used to prepare a transparent resin film on which a brown ink was solid-printed and a brown colored decorative layer was applied.
Further, a hot melt resin provided with a roll coater in which a 3 mm thick MDF is used as a base material and a moisture curable urethane resin hot melt resin adhesive is heated on the surface of the base material in the same manner as in Example 1. It apply | coated with the ratio of 60 g / m < 2 > with the coating device.
  Next, the back surface side of the transparent resin film on which the brown colored decorative layer is applied is brought into contact with the surface of the base material in which the applied hot melt resin adhesive layer is in an uncured state. In the same manner as in Example 1, the laminate was pressed with a nip roll heated to 130 ° C., and the base material and the transparent resin film were bonded together.
  Next, immediately after this bonding, the transparent resin film surface of the laminated sheet is pressed by using a heated embossing mold heated to 80 ° C. having a textured embossed uneven pattern with a depth of 300 μm. A fine textured embossed concavo-convex pattern having an average depth of about 70 μm was formed on the surface.
Next, the same solventless ultraviolet curable acrylic resin paint having a refractive index of 1.54 as in Example 1 was applied at a rate of 120 g / m 2 with a flow coater to embed the embossed uneven pattern on the surface. Thereafter, the solventless transparent acrylic resin paint was cured by irradiating with ultraviolet rays to obtain a cosmetic material according to Example 2 of the present invention.
  The decorative material thus obtained had a highly decorative appearance in which a fine textured embossed pattern with brown and textured appearance appeared on the surface with a three-dimensional effect and a glittering feeling on a smooth surface.
  Moreover, when the pencil hardness of this cosmetic material surface was measured by the pencil hardness test (JISG0202), it had a hardness of 2H.
(Example 3)
It is an Example at the time of using a continuous sheet-like thing for a base material.
The surface of the transparent resin film made of polyethylene terephthalate resin is anchored, and the back side is plasma-irradiated to obtain a continuous transparent resin film having a thickness of 25 μm and a refractive index of 1.61. A black color ink was printed using a gravure offset printer, a black colored decorative layer was applied, and a transparent resin film having a colored decorative layer formed on the back surface was prepared. Also, a hot-melt resin coating apparatus using a continuous high-quality paper having a basis weight of 100 g / m 2 as a base material, and a surface of the base material, a moisture-curable urethane resin hot melt resin adhesive and a heated roll coater. Was applied at a rate of 60 g / m 2 .
  Next, the surface of the base material in which the applied hot-melt resin adhesive layer is in an uncured state is brought into contact with the back surface side on which the colored decorative layer of the transparent resin film is applied, and is continuously mounted. The laminated sheet consisting of the base material and the transparent resin film was pressed with a nip roll heated to 130 ° C., and the base material and the transparent resin film were continuously bonded together.
  Next, immediately after laminating the base material and the transparent resin film, the laminated sheet is formed using a heated embossing roll having a textured uneven pattern with a depth of 300 μm on the peripheral surface and heated to 80 ° C. A laminated sheet on which the surface of the transparent resin film of the product is continuously pressed to form a fine textured embossed uneven pattern having an average depth of about 50 μm on the surface, and this fine textured embossed uneven pattern is formed. The product was wound up in a roll.
Next, after applying a vinyl acetate resin adhesive on the surface of the second base material made of MDF having a thickness of 3 mm, laminating and laminating the laminated sheet material, a solventless solvent having a refractive index of 1.54 UV curable transparent acrylic resin paint is applied with a knife coater at a rate of 100 g / m 2 , embossed uneven patterns on the surface of the transparent resin film are embedded, and the ultraviolet curable transparent acrylic resin paint is irradiated with ultraviolet rays. Was cured to obtain a decorative material according to Example 3 of the present invention.
(Comparative Example 1)
In Example 1, a cosmetic material according to Comparative Example 1 was produced in the same manner as in Example 1 except that a polypropylene transparent resin film having a refractive index of 1.52 was used instead of the transparent film made of polyethylene terephthalate resin. did. The cosmetic material obtained in this way, unlike Example 1, had almost no radiance, and the embossed concavo-convex pattern appeared without a three-dimensional effect and was inferior in decorativeness.
  INDUSTRIAL APPLICABILITY The present invention is useful for a technique relating to a decorative material that can be used for a building, particularly as an interior surface material or as a surface material for furniture or cabinets, and a method for manufacturing the same.
It is sectional drawing of the decorative board of Embodiment 1 of this invention. It is sectional drawing of the decorative board of Embodiment 2 of this invention . It is the schematic which shows the process of Embodiment 1 of the manufacturing method of the decorative material of this invention. It is the schematic which shows the process of Embodiment 2 of the manufacturing method of the decorative material of this invention. It is the schematic which shows the process of Embodiment 3 of the manufacturing method of the decorative material of this invention.
Explanation of symbols
DESCRIPTION OF SYMBOLS 1 Substrate 2 Adhesive layer 3 Transparent resin film 4 Coating layer 5 of solvent-free radiation-curable transparent resin paint Colored decorative layer 6 Embossed uneven pattern 8 Heated embossing mold 8a Heated embossing roll

Claims (6)

  1. Application of a base material, a transparent resin film adhered to the surface of the base material via a hot melt resin adhesive layer , and a solvent-free radiation-curable transparent resin coating formed on the surface of the transparent resin film Consisting of a membrane layer,
    The transparent resin film is provided with a colored decorative layer on the back side and an embossed uneven pattern having a depth reaching at least the hot melt resin adhesive layer on the surface side.
    The coating layer is made of a solvent-free radiation-curable transparent resin coating having a lower refractive index than the transparent resin film, and is provided to be a smooth surface in which the embossed uneven pattern is embedded. A cosmetic material characterized by
  2. The thickness of the transparent resin film is 4 μm to 200 μm,
    Decorative material according to claim 1, wherein the depth of the embossed concavo-convex pattern is 20Myuemu~500myuemu.
  3. The embossed uneven pattern is decorative material according to claim 1 or 2 which is textured like embossed concave and convex pattern.
  4. After adhering a transparent resin film provided with a colored decorative layer on the back side by printing or painting on the surface of the base material with a hot melt resin adhesive ,
    By embossing the surface of the transparent resin film with an embossing mold, an embossed concavo-convex pattern with a depth reaching at least the hot melt resin adhesive layer is engraved on the surface of the transparent resin film,
    Next, a solventless radiation-curable transparent resin coating having a refractive index lower than that of the transparent resin film is applied to the embossed concavo-convex pattern surface so that the embossed concavo-convex pattern is embedded, so that the surface is smooth. A method for producing a decorative material, comprising forming a film layer.
  5. The thickness of the transparent resin film is 4 μm to 200 μm,
    The depth of the said embossed uneven | corrugated pattern is 20 micrometers-500 micrometers, The manufacturing method of the cosmetics of Claim 4 characterized by the above-mentioned.
  6. The method for manufacturing a cosmetic material according to claim 4 or 5 , wherein the embossed uneven pattern is a textured embossed uneven pattern.
JP2004252647A 2004-08-31 2004-08-31 Cosmetic material and method for producing the same Expired - Fee Related JP4121488B2 (en)

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JP5235391B2 (en) * 2007-12-03 2013-07-10 大建工業株式会社 Method for producing decorative board having uneven pattern
JP5594507B2 (en) * 2008-08-22 2014-09-24 Dic株式会社 Composite decorative board
JP2010069728A (en) * 2008-09-18 2010-04-02 Okamoto Ind Inc Decorative sheet and method for producing the same
JP2010069729A (en) * 2008-09-18 2010-04-02 Okamoto Ind Inc Heat molding decorative sheet and method for producing the same
JP5071332B2 (en) * 2008-09-30 2012-11-14 大日本印刷株式会社 Decorative sheet for insert molding and decorative resin molded product
KR101440463B1 (en) 2014-02-19 2014-09-17 주식회사 디에스피 A clad material comprising a pattern embossed stainless steel and a wooden substrate and a manufacturing method thereof.
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JP6571453B2 (en) * 2015-08-28 2019-09-04 東リ株式会社 Cosmetic material
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* Cited by examiner, † Cited by third party
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