JP2003136666A - Decorative sheet and its production method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable an expression rich in solidity and depth in which an internal intermediate embossment is observed to be enough three-dimensional and to change optically delicately when observed from the surface side. SOLUTION: A base material layer 1 of a colored resin, a pattern-printed pattern 2 formed on the surface side of the layer 1 with at least its part formed by a bright ink 2A, a transparent layer 3 of a transparent resin to be laminated/ formed on the pattern layer 2 with an embossed uneven pattern 3A having the maximum depth approximately 0.5-1.5 times the thickness formed on the surface, and a surface layer 6 of a smooth, transparent resin to be joined to the pattern 3A of the transparent layer through a transparent ink layer 4 comprising a salt and vinyl acetate formed on the back side are at least laminated/ formed. Reflected light by the bright ink 2A of the pattern 2 is observed from the surface side of the surface layer 6 through the embossed pattern 3A.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a decorative sheet made of a synthetic resin, preferably a polyester resin, and a method for producing the same, and more particularly to a decorative sheet having an embossed uneven pattern and a method for producing the same. The decorative sheet of the present invention may be applied to a base material such as wood or metal and used as an interior material such as wallpaper, furniture, home appliances, kitchen, or a surface decorative material for furniture such as a vanity table or a fitting. it can. The decorative sheet of the present invention can be made of vinyl chloride.

[0002]

2. Description of the Related Art Vinyl chloride resin is generally used as a decorative sheet made of resin having a pattern. To manufacture this decorative sheet made of vinyl chloride, an embossing roll and a suppressing roll having a pattern on the surface are used. A method of embossing a pattern through a vinyl chloride sheet between them, a method of printing directly on the surface of the vinyl chloride sheet, a method of laminating a film on which a pattern is printed on the surface of the vinyl chloride sheet, etc. have been used. There is also an intermediate embossed type resin decorative sheet for observing an embossed pattern through a transparent surface layer. Further, there is a resin decorative sheet in which a glittering ink layer and a reflecting layer formed of a glittering sheet are observed through a transparent surface layer.

[0003]

However, in the conventional decorative sheet made of resin having a concavo-convex pattern by embossing, the embossing pattern is generally used to express the luster of wood, but it is monotonous and three-dimensional. There was a difficulty in lacking a sense. Further, in the resin decorative sheet in which the above-described reflective layer is observed through the transparent surface layer, the reflective layer is formed on the entire surface of the sheet, so that there is a problem that the depth is lacked.

Therefore, in order to solve the above-mentioned problems, the present invention provides a three-dimensional effect in which the internal intermediate emboss is observed so as to be sufficiently three-dimensionally and optically subtly changed when observed from the surface side. It is an object of the present invention to provide a resinous decorative sheet that enables rich expression and a method for manufacturing the same.

[0005]

[Means for Solving the Problems] Next, means for solving the above problems will be described with reference to the drawings corresponding to the embodiments.

The basic structure of the decorative sheet D of the present invention is shown in FIG.
As shown in FIG. 2, a base material layer 1 made of a colored resin material containing an amorphous or low-crystalline resin as a main component, and a base material layer 1 formed on the front surface side, at least a part of which is a glitter ink 2A. The pattern printed pattern 2 formed by the above, and a transparent resin material having a thickness of about 30 to about 200 μm laminated on the printed pattern 2, and the surface has a thickness of about 0.5 to about 1. A transparent layer 3 having an embossed uneven pattern 3A formed by embossing having a maximum depth of 5 times, and a vinyl chloride film having a thickness of approximately 2 to approximately 15 μm formed on the back surface on the embossed uneven pattern 3A of the transparent layer 3.・ Vinyl acetate copolymer resin (hereinafter referred to as vinyl chloride)
At least a surface layer 6 made of a smooth transparent resin material, which is joined via a transparent ink layer 4 made of a binder, is formed in layers, and the embossed rugged pattern 3A is passed through from the surface side of the surface layer 6 It is characterized in that the reflected light of the glittering ink 2A of the printed pattern 2 is observed.

Further, as shown in FIG. 1, the decorative sheet D of the present invention comprises a base material layer 1 made of a colored resin material containing an amorphous or low crystalline polyester resin as a main component, and the base material layer 1. 1. A pattern print pattern 2 formed on the surface side of No. 1 and at least a part of which is formed by the glittering ink 2A, and a transparent amorphous material laminated on the print pattern 2 and having a thickness of about 30 to about 200 μm. Alternatively, it is made of a resin material containing a low-crystalline polyester resin as a main component, and the surface has a thickness of about 0.5 to
A transparent layer 3 having an embossed uneven pattern 3A formed by embossing having a maximum depth of about 1.5 times, and a thickness of about 2 to about 15 formed on the back surface of the transparent layer 3 on the embossed uneven pattern 3A.
and a surface layer 6 made of a biaxially stretched film of a smooth transparent crystalline polyester resin, which is joined via a transparent ink layer 4 made of a vinyl chloride vinyl chloride binder having a thickness of μm, and the surface of the surface layer 6 is formed. It is characterized in that reflected light from the glitter ink 2A of the printed pattern is observed from the side through the embossed uneven pattern 3A.

The substrate layer 1 has a thickness of about 50 to about 200 μ.
m, preferably about 60 to about 150 μm. When the thickness of the base material layer 1 is less than about 50 μm, the embossing property and printability become poor. Also, the base material layer 1
If the thickness exceeds about 200 μm, the secondary workability and the cost are increased, which is not preferable.

The thickness of the transparent layer 3 is about 30 to about 200 μm.
m, preferably about 40 to about 150 μm. When the thickness of the base material layer 1 is less than about 30 μm, it becomes difficult to form a sheet and the embossing property becomes poor. Further, if the thickness of the base material layer 1 exceeds approximately 200 μm, secondary workability and cost increase will occur, which is not preferable.

The thickness of the surface layer 6 is approximately 25 to approximately 500 μm.
m, preferably about 40 to about 300 μm. If the thickness of the surface layer 6 is less than about 25 μm, it is difficult to obtain smoothness due to the effect of embossing, and there is a drawback that the depth of printing does not occur. Further, if the thickness of the surface layer 6 exceeds about 500 μm, secondary workability and cost increase will be caused, which is not preferable.

The thickness of the transparent ink layer 4 as the adhesive layer is about 2 to about 15 μm, preferably about 3 to about 10 μm. When the thickness of the transparent ink layer 4 is less than approximately 2 μm, the concave portions of the uneven pattern 3A on the surface of the base material sheet A cannot be filled, and air remains at the interface. Further, if the thickness of the transparent ink layer 4 exceeds approximately 15 μm, the number of times of coating increases and the cost increases, which is not preferable.

On the surface layer 6, a surface protective layer 7 made of a transparent hard coating film is formed. This surface protective layer 7 is
The structure may be formed by UV coating.

Further, the back surface of the surface layer 6 is provided with an easy-adhesion coat 5 for improving adhesion with the transparent ink layer 4.
Are formed in advance.

A surface print pattern is formed on the back surface of the surface layer 6, and the surface print pattern is pierced from the front surface side, and the uneven pattern due to the embossing and the brilliance of the pattern print pattern 2 on the surface of the base material layer 1 are formed. The structure may be such that at least a part of the functional ink 2A can be seen through.

The printed pattern 2 is formed by a multi-layered picture pattern, at least one of which is a picture pattern made of a brilliant ink 2A containing a brilliant or light-reflecting substance, and the other layers are usually colored. It is a pattern with ink 2B. Here, the picture pattern refers to any pattern other than a pattern printed by solid printing, such as a geometric pattern, an animal or plant pattern, a mineral pattern, or a pattern based on a natural phenomenon.

It is also possible to form the base material layer 1 and the transparent layer 3 with a resin material containing a vinyl chloride resin as a main component.

According to the decorative sheet D of the present invention,
The embossed uneven pattern 3A in the middle is seen through the hard and transparent surface protective layer 7 inside the transparent surface layer 6 and the transparent ink layer 4, and the pattern printed pattern 2 is overlapped under the embossed uneven pattern 3A. Since it can be seen, it is possible to express deeply. Further, the design pattern is formed by the glitter ink 2A, the reflected light by the glitter ink 2A is refracted by the embossed concavo-convex pattern 3A, and the glitter ink 2A is printed in a pattern shape instead of solid printing. Therefore, the embossed concavo-convex pattern and the picture pattern are optically subtly changed depending on the viewing angle, which enables delicate and subtle expression. Further, during embossing of the embossed uneven pattern 3A, the unevenness 1A is also formed by embossing on the surface of the base material layer 1 on which the pattern printed pattern 2 is formed, and the formation angle of the pattern printed pattern 2 and the glitter ink 2A becomes embossed. Since it changes in a concavo-convex shape along the line, more delicate and subtle expression is possible, and the optical change is complicated and subtle.

Further, according to the decorative sheet D of the present invention, the base material sheet A and the surface sheet B constituting the decorative sheet D are made of a resin material whose main component is a polyester resin as a main component. Material sheet A and surface sheet B
Since the transparent ink layer 4 for adhering to and containing vinyl chloride and vinyl acetate as a main component, sufficient laminating strength between the respective layers forming the base sheet A and the surface sheet B is obtained, and peeling easily occurs. Does not happen.

Further, the surface of the decorative sheet D is exposed to UV.
By forming the surface protective layer 7 made of a coat, it becomes possible to impart gloss to the surface of the decorative sheet D and improve scratch resistance and scratch resistance. Further, the reflected light from the glittering ink 2A of the picture print pattern 2 seen through the embossed concavo-convex pattern 3A is also clear.

Next, a method for manufacturing the above decorative sheet will be described with reference to FIG.
And FIG. 4 will be described. As shown in FIG. 3, at least a part of the base film made of a colored resin material containing an amorphous or low-crystalline polyester resin as a main component is used as a pattern printing pattern using the glitter ink 2A. 2 is used, and a resin mainly composed of a transparent amorphous or low crystalline polyester resin having a thickness of about 30 to about 200 μm is used on the surface printed pattern 2 of the printed sheet C. A transparent layer 3 is formed by applying a material, and an embossed uneven pattern 3A having a maximum depth of about 0.5 to about 1.5 times the thickness is formed on the surface of the transparent layer 3 to form a base. The material sheet A is manufactured. Separately, on the back surface side of the surface layer 6 made of a biaxially stretched film of a smooth transparent crystalline polyester resin having a surface protective layer 7 made of a transparent hard coating film on the surface, a thickness of about 2 to about 15 μm is provided. A surface sheet B on which a transparent ink layer 4 made of vinyl chloride is previously formed is manufactured. As shown in FIG. 4, a decorative sheet D is manufactured by adhering the embossed pattern 3A of the base sheet A and the transparent ink layer 4 of the surface sheet B so that they are in close contact with each other under heating conditions.

According to the method for producing a decorative sheet, the desired decorative sheet can be continuously obtained with good efficiency. In this case, the embossing does not return and disappear when the base sheet A and the surface sheet B are heat-bonded, and the heat-bonding is sure and air does not enter the embossed uneven pattern. Furthermore, when the uneven pattern 3A is formed by embossing, the uneven surface 1A by embossing is also formed on the printing surface of the base film, which enables more delicate expression.

[0022]

1 is a schematic sectional view showing an embodiment of a decorative sheet according to the present invention, and FIG. 2 is a schematic sectional sectional view showing a base sheet and a top sheet. The decorative sheet according to the present embodiment will be described with reference to FIGS. 1 and 2.

The decorative sheet D of this embodiment is shown in FIGS.
As shown in FIG. 2, the base sheet A and the surface sheet B are heat-bonded via the transparent ink layer 4 in a state where the uneven pattern 3A by embossing is formed on the surface of the transparent layer 3 constituting the base sheet A. Is configured. The base material sheet A is formed on the surface side of the base material layer 1 made of a colored resin material containing an amorphous polyester resin as a main component, and at least a part of the base material layer 1 is formed by the glitter ink 2A. The formed picture printed pattern 2 and the transparent layer 3 formed on the printed pattern 2 by lamination and made of a resin material containing a transparent biaxially stretched polyester resin as a main component are laminated. . The surface sheet B is mainly composed of a surface layer 6 made of a resin material whose main component is a transparent amorphous polyester resin having a hard and transparent surface protective layer 7 formed on the surface thereof, and a vinyl chloride vinyl acetate on the back surface. It has a transparent ink layer 4 made of a thermoplastic resin containing as a main component.

On the front and back of the surface layer 6, a UV coat as the surface protection layer 7 and an easy-adhesion coat 5 for improving the adhesion with the transparent ink layer 4 are previously formed.

The base material layer 1 is made of a resin material containing an amorphous or low-crystalline polyester resin as a main component, and is made of a colored resin material by extrusion molding to form a film. can get. The above amorphous or low crystalline polyester resin as a resin material comprises a dicarboxylic acid component composed of terephthalic acid, 25-65 mol% 1,4-cyclohexanedimethanol and 35-75 mol% ethylene glycol. Resin copolymerized with diol component,
Alternatively, a resin obtained by copolymerizing another acid component may be used. The film made of this resin material has good thermal processability such as embossing.

The printed pattern 2 is formed by a multi-layered pattern, at least one layer of which is a glittering ink 2A containing a glittering or light-reflecting substance, and the other layers are colored normally. It is a pattern with ink 2B. The above-mentioned printed pattern 2, especially its glitter ink 2
The pattern A is not a solid print but a design pattern, and is formed in a thin striped shape composed of a combination of straight lines and curved lines, for example. In the present embodiment, the printed pattern 2 is formed by gravure printing on one surface of the film obtained by extrusion forming the base material layer 1 by using a pattern plate with a colored ink and a pattern plate with a glitter ink. With the printing method described above, various patterns such as a wood grain pattern and a marble pattern are formed in multiple layers. In this embodiment, the embossed uneven pattern 3A is seen through so that it can be seen like the fur of a horse's hip. As the ink for forming the print pattern 2, it is desirable to use an ink composed of a binder containing vinyl chloride and vinyl acetate as a main component from the viewpoint of improving the adhesiveness.

The transparent layer 3 is made of a transparent resin material whose main component is an amorphous or low crystalline polyester resin which is the same resin material as the base material layer 1. This transparent layer 3 is
The printed pattern 2 is laminated and formed by extrusion laminating. That is, after obtaining a base film that constitutes the base layer 1, a print pattern 2 is formed on one surface of the base film by gravure printing or the like, and a transparent layer 3 is formed on the print pattern 2. The transparent layer 3 is formed by extruding a resin material to be formed into a film and passing it between a pair of rolls and laminating it.

The embossed pattern 3A formed by embossing is an embossed pattern composed of straight lines and curved lines. The embossed pattern preferably has a line thickness of about 10 μm.
˜about 3000 μm. The depth of the emboss is approximately 20 μm to approximately 120 μm. The transparent ink layer 4 has an amount and a thickness that sufficiently fill the depth of these embosses.

Then, the printed pattern 2 and the transparent layer 3 are formed on the base film serving as the base layer 1, and the concavo-convex pattern 3A is formed on the upper surface of the transparent layer 3 by embossing, that is, amorphous. Between the base layer 1 and the transparent layer 3 made of a resin material containing a high quality or low crystalline polyester resin as a main component,
Coloring ink 2 consisting of a binder whose main ingredient is vinyl chloride
The base sheet A has a three-layer structure in which B and the printed pattern 2 of the glitter ink 2A are interposed.

The resin material for the base layer 1 and the transparent layer 3 may be a mixture of the above-mentioned amorphous or low crystalline polyester resin with a crystalline polyester resin. This crystalline polyester resin is an ordinary polyethylene terephthalate resin or polybutylene terephthalate resin. The compounding ratio is 40 to 100% by weight of the amorphous or low crystalline polyester resin, and 0 to 60% by weight of the crystalline polyester resin, preferably 10 to 40%.
Weight% By blending the crystalline polyester resin, the base layer 2 and the transparent layer 4 have improved solvent resistance.

The surface sheet B is mainly composed of a surface layer 6 made of a resin material whose main component is a transparent biaxially stretched polyester resin having a hard and transparent surface protection layer 7 formed on the surface thereof, and a back surface thereof. It has a transparent ink layer 4 made of a thermoplastic resin whose main component is vinyl chloride. The transparent film forming the surface layer 6 is made of a material that is resistant to solvents such as stretched polyester resin and olefin.

Although not shown, a masking film made of an adhesive film of polyethylene resin or the like may be spread on the surface of the surface sheet B. With this masking film, the decorative sheet D as a product is formed.
The surface protection layer 7 is prevented from being scratched or the like when it is transported.

Next, a method of manufacturing the decorative sheet D having the above-described structure will be described with reference to the schematic views of the manufacturing apparatus shown in FIGS.

First, a colored resin material containing an amorphous polyester resin as a main component is used, and a base film is obtained by a method such as extrusion molding so as to have a substantially uniform predetermined thickness, for example, about 100 μm. . This base film is used as the base layer 1
Then, the multilayer printed pattern 2 is printed thereon to obtain a printed sheet C. The print sheet C is wound in a roll shape so that the print pattern 2 is on the surface, and set in the manufacturing apparatus in FIG.

In this sheet manufacturing apparatus, the leading end of the roll-shaped printing sheet C is supplied between the pair of first rolls 11 (11A, 11B) arranged substantially horizontally. One of the first rolls 11 is the cooling roll 11B.

At the same time as the supply of the print sheet C,
From the extruder 12 arranged above the cooling roll 11B, a transparent resin material containing an amorphous polyester resin as a main component is extruded in a film form from a die of the extruder 12 by a melt extrusion method.

The extruded transparent resin film is sent in the hanging direction and is moved along the surface of the cooling roll 11B into the space between the other roll 11A constituting the first roll 11 and the printing sheet C. Together, this pair of first
Will be supplied between the rolls 11 (11A, 11B). That is, the transparent resin film is extrusion-laminated on the print pattern 2 of the print sheet C, and the transparent layer 3 is adhered and formed on the print pattern 2. Then, the base sheet material is obtained by passing through the first roll 11 (11A, 11B).

The substrate sheet material that has passed through the first roll 11 (11A, 11B) is fed by the embossing roll 13.
The upper surface of the transparent layer 3 is embossed to form the uneven pattern 3A by the embossing. In the figure, 14 is a drawer roll and 15 is a bed roll. The base material sheet material becomes the base material sheet A by forming and drawing the uneven pattern 3A by embossing.

Separately, the surface sheet B is manufactured separately. As the base film of the surface sheet B, commercially available hard coat PET in which a hard coat layer of a thermosetting coating film or a UV curing coating film is formed on the surface side of a PET film is used as an example. For example, Toray's "tough top"
And “Nakai Hard Coat PET” manufactured by Nakai Industry Co., Ltd. and the like. A transparent ink made of vinyl chloride and vinyl chloride is applied to the back surface side of these hard coat PET.

The base sheet A and the surface sheet B thus produced are heated by the heating drum 1 as shown in FIG.
Supply to the outer circumference of 6. In this case, the transparent ink layer 4 on the back surface of the surface sheet B is supplied so as to be bonded to the surface of the embossed pattern 3A on the surface of the base material sheet A, and is heat bonded. By this heating, the embossing of the transparent layer 3 of the base material sheet A returns to a slight depth, but the unevenness due to the embossing of the printed pattern 2 formed on the surface of the base material layer 1 remains. The base material sheet A is preheated through the preheating roll 17 before heat bonding on the outer circumference of the heating drum 16, and the front surface sheet B is heated by the heater 18 on the transparent ink layer 4 on the back surface before heat bonding on the outer circumference of the heating drum 16. Keep it heated. In FIG. 4, 1
Reference numerals 9 and 20 denote guide rolls for supplying the base sheet A or the top sheet B to the outer periphery of the heating drum 16, and 21 denotes
A drawing roll for drawing the decorative sheet D in which the base sheet A and the surface sheet B are integrated from the outer periphery of the heating drum 16.

In this way, the intended decorative sheet D is
Manufactured.

[0042]

EXAMPLES Next, specific examples of the decorative sheet in the above-described embodiment will be described.

Example 1 1. Amorphous polyester resin (Eastman Chemical Co., Ltd., "Eastar6763") 80 parts by weight, polybutylene terephthalate resin (Polyplastic Co., Ltd.,
15 parts by weight of "Duranex 600FP" and 5 parts by weight of a reinforced resin ("Kane Ace FM" manufactured by Kanegafuchi Chemical Industry Co., Ltd.) are calender-molded into a light brown color base layer having a thickness of 80 µm and a grain of birch. Printed wood grain. Printing ink is medium (Showa Ink Kogyo, SX25
7 Medium ", vinyl chloride): Black ink (the same," SX85
1 black ", vinyl chloride vinegar): Red ink (the same," SX157 "
Red ", vinyl chloride vinegar: Yellow ink (the same," SX360 Yellow ", vinyl chloride vinegar): Pearl gold ink (the same," SX
Pearl gold ", vinyl chloride vinegar) = 44: 0.5: 5.5:
The first plate is printed at 25:25. 2. Next, for the second edition, medium: black ink: red ink:
Print with the ink of yellow ink = 66: 3: 13.5: 17.5. The third edition has a medium: black ink: red ink: blue ink (the same, "SX651 blue", vinyl chloride) = 61.
Print with 5: 8: 24: 6.5 ink. 4. Amorphous polyester resin (“Easta”
r 6763 ") 85 parts by weight, polybutylene terephthalate resin (" Duranex 600FP ") 10 parts by weight, and reinforced resin (" Kane Ace FM ") 5 parts by weight as a transparent layer having a thickness of 60 µm on the printed surface of the base material layer. Was extrusion laminated and embossed. The embossing has a maximum depth of 80 μm, and a curved line is continuously formed like a fur on a horse's hip. In this case, the base sheet A shown in FIG.
As described above, at least a part of the print layer is formed in an uneven shape so that the print layer is also embossed. 5. On the surface of a commercially available hard coat PET (“VHC-U” manufactured by Nakai Kogyo Co., Ltd.) on which a UV cured coating film is formed on the surface of a stretched PET having a thickness of 25 μm and which is provided with an easy adhesion coat on the back side. , Medium (Showa Ink Kogyo, "S
X257 medium ", salted vinegar) 150 mesh, 3
It was applied twice with a mesh roll having a depth of 5 μm, and after drying, a transparent ink layer having a thickness of 5 μm was formed. 6. A decorative sheet was obtained using a thermal laminator device so that the embossed surface of the sheet obtained in 4 and the transparent ink layer of the hard coat PET obtained in 5 were in contact with each other.

Example 2 1. Light gray color obtained by calendering, thickness 8
The first plate in a hairline tone was printed on a base layer made of 0 μm semi-rigid PVC. The printing inks are: Medium: Black Ink: Red Ink: Yellow Ink: Aluminum Ink (Same as "SX
T008 silver ”, vinyl chloride vinegar) = 52.25: 0.0
It was made of aluminum in a ratio of 5: 0.2: 0.5: 47. 2. Next, in the second edition of the hairline style, which looks like gold unlike the aluminum edition of the first edition, medium: black ink: red ink: yellow ink = 95.8:
Print with 0.5: 0.9: 2.8 ink. 3. Further, a blue ink is printed with an ink of medium: black ink: red ink: blue ink = 61.5: 8: 24: 6.5 so as to be an accent on the third plate of the hairline tone. 4. Using a thermal laminator device, a transparent semi-rigid PVC film having a thickness of 60 μm was thermally laminated as a transparent layer on the printed surface of the base material layer, and embossed. The embossing used was a rough hairline tone with a maximum depth of 80 μm. 5. On the surface of a commercially available hard coat PET (“VHC-U” manufactured by Nakai Kogyo Co., Ltd.) on which a UV-cured coating film is formed on the surface of stretched PET having a thickness of 25 μm and which is provided with an easy adhesion coat on the back side. , Medium (Showa Ink Kogyo, "S
X257 medium ", salted vinegar) 150 mesh, 3
It was applied twice with a mesh roll having a depth of 5 μm and dried to form a transparent ink layer having a thickness of 5 μm. 6. A decorative sheet was obtained using a thermal laminator so that the embossed surface of the sheet obtained in 4 and the transparent ink layer of the hard coat PET obtained in 5 were in contact with each other.

Example 3 As the base material layer and the transparent layer used in Example 1, a low crystalline polyester resin (manufactured by Eastman Chemical Co., “E”) was used.
astar DN004 ") 60 parts by weight, amorphous polyester resin (manufactured by Eastman Chemical Co.," Prov
A decorative sheet was obtained in the same manner as in Example 1 except that a resin composition consisting of 30 parts by weight of “Ista”) and 10 parts by weight of a reinforced resin (“Kane Ace FM” manufactured by Kanegafuchi Chemical Industry Co., Ltd.) was used.

Comparative Example 1 As the base material layer and the transparent layer used in Example 1, a crystalline polyester resin (manufactured by Eastman Chemical Company, "Eas") was used.
tar K2000 ", polyester resin 90 parts by weight, reinforced resin (Kanefuchi Chemical Co., Ltd.," Kane Ace F "
M ") was used, and a decorative sheet was obtained in the same manner as in Example 1 except that an extruder was used for film formation. In Comparative Example 1, deep embossing could not be processed, and the obtained decorative sheet had a flat feeling.

[0047]

According to the decorative sheet of the present invention, the intermediate embossed uneven pattern 3A can be seen inside the transparent surface layer 6 and the transparent ink layer 4 and is affected by the embossing under the embossed uneven pattern 3A. As a result, the pattern print patterns 2 at least partially embossed in the concavo-convex pattern appear to overlap with each other, which enables a deep expression. Further, since the pattern is formed by the glitter ink, the reflected light by the glitter ink is refracted by the intermediate embossed concavo-convex pattern 3A, and the glitter ink is printed in a pattern rather than solid printing. , Depending on the viewing angle, the embossed concave-convex pattern and the picture pattern are optically subtly changed, enabling delicate and subtle expression. In addition, when the intermediate embossed rugged pattern 3A is formed, the embossed rugged pattern is also formed on the surface of the base material layer 1, and the embossed rugged pattern and the picture pattern are optically subtly changed, resulting in a delicate and subtle expression. It will be possible.

Further, according to the decorative sheet D of the present invention, the base material sheet A and the surface sheet B constituting the decorative sheet D are mainly made of a resin material containing an amorphous polyester resin as a main component. Since the transparent ink layer 4 for adhering the base sheet A and the surface sheet B contains vinyl chloride as a main component, the lamination strength between the layers forming the base sheet A and the surface sheet B is sufficiently high. It is obtained and does not cause problems such as easy peeling.

According to the method for producing a decorative sheet of the present invention, the desired decorative sheet can be continuously obtained with good efficiency. In this case, the base sheet A and the top sheet B
During the heat-bonding, the embossing does not return and disappear, and the heat-bonding is reliable, and air does not enter the embossed uneven pattern.

[Brief description of drawings]

FIG. 1 is a schematic side sectional view showing an embodiment of a decorative sheet according to the present invention.

FIG. 2 is a schematic side sectional view showing the same decorative sheet separated.

FIG. 3 is a schematic view of a manufacturing apparatus used in the method for manufacturing the decorative sheet.

FIG. 4 is a schematic view of a manufacturing apparatus used in the method for manufacturing the decorative sheet.

[Explanation of symbols]

A ... Base material sheet B ... Surface sheet C ... Printing sheet D ... Decorative sheet 1 ... Base material layer 1A ... Concavo-convex 2 ... Printing pattern 2A ... Glittering ink 2B ... Coloring ink 3 ... Transparent layer 3A ... Concavo-convex pattern 4 ... Transparent ink layer 5 ... Easy adhesion coat 6 ... Surface layer 7 ... Surface protection layer 11 (11A, 11B) ... 1st roll, 11A ... Other roll, 11B ... Cooling roll 12 ... Extruder 13 ... Embossing roll 14 Drawer roll 15 Bed roll 16 Heating drum 17 Preheating roll 18 Heater 19 Guide roll 20 Guide roll 21 Drawer roll

   ─────────────────────────────────────────────────── ─── Continued front page    F-term (reference) 4F100 AK01A AK01B AK01C AK15J                       AK22J AL01J BA04 BA05                       BA07 CC00E DD01 DD01D                       EJ19 EJ38 GB08 GB48 GB81                       HB21 HB21D HB31 JA12A                       JK12E JK14 JL02 JL10A                       JN01B JN01C JN01J JN24

Claims (7)

[Claims] 1. A base layer made of a colored resin material containing an amorphous or low-crystalline resin as a main component, and a base layer formed on the surface side of the base layer, at least a part of which is formed of a glitter ink. And a thickness of approximately 30 to approximately 200 μm, which is laminated on the printed pattern.
m of a transparent resin material, and the thickness is approximately 0.
A transparent layer having an embossed uneven pattern having a maximum depth of 5 to about 1.5 times, and a chloride having a thickness of about 2 to about 15 μm formed on the back surface on the embossed uneven pattern of the transparent layer. At least a surface layer made of a smooth and transparent resin material, which is joined via a transparent ink layer made of a vinyl / vinyl acetate copolymer resin, is laminated, and the embossed uneven pattern is transparent from the surface side of the surface layer. The decorative sheet is characterized in that reflected light of the glittering ink of the printed pattern is observed. 2. A base layer made of a colored resin material containing an amorphous or low-crystalline polyester resin as a main component, and a base layer formed on the surface side of the base layer, at least a part of which is formed by a glitter ink. The picture print pattern formed, and a thickness of approximately 30 to approximately 200 μ stacked and formed on the print pattern
m of a transparent amorphous or low-crystalline polyester resin as a main component, and the surface has a thickness of about 0.
A transparent layer having an embossed uneven pattern having a maximum depth of 5 to about 1.5 times, and a chloride having a thickness of about 2 to about 15 μm formed on the back surface on the embossed uneven pattern of the transparent layer. A surface layer made of a biaxially stretched film of a smooth and transparent crystalline polyester resin, which is joined via a transparent ink layer made of a vinyl / vinyl acetate copolymer resin, is laminated at least, and the surface side of the surface layer is formed. From the above, the decorative sheet is characterized in that light reflected by the glittering ink of the printed pattern is observed through the embossed uneven pattern. 3. The surface protective layer formed of a transparent hard coating film is formed on the surface layer.
Or the decorative sheet according to 2. 4. The easy-adhesion coat for improving the adhesion to the transparent ink layer is previously formed on the back surface of the surface layer. The decorative sheet described in. 5. A printed pattern is formed on a surface side of a base film made of a colored resin material containing an amorphous or low crystalline polyester resin as a main component, at least a part of which is formed by using a glitter ink. And a transparent resin layer containing a transparent amorphous or low-crystalline polyester resin as a main component having a thickness of about 30 to about 200 μm on the surface printed pattern of the printed sheet. And a base sheet on which a concavo-convex pattern formed by embossing having a maximum depth of about 0.5 to about 1.5 times the thickness is formed on the surface of the transparent layer, and a transparent hard coating film on the surface. A transparent ink layer made of vinyl chloride / vinyl acetate copolymer resin having a thickness of about 2 to about 15 μm on the back side of the surface layer made of a biaxially stretched film of a smooth transparent crystalline polyester resin having a surface protective layer formed thereon. With the surface sheet that formed Decorative sheet manufacturing method of, wherein a base sheet embossed by the transparent ink layer of the uneven pattern and the surface sheet of heat bonded allowed to be in close contact. 6. The decorative sheet according to claim 5, wherein a surface protective layer made of a transparent hard coating film is formed on the surface layer. 7. The decorative sheet according to claim 5, wherein the back surface of the surface layer is preliminarily formed with an easy-adhesion coat for improving adhesion with the transparent ink layer. Manufacturing method.