JPH09174790A - Plastic decorative sheet and manufacture thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a plastic decorative sheet which produces the synergistic decorative effect of a pattern of brilliance and an embossed pattern of indentation in a higher degree, without impairing the smoothness of a surface, in addition, and which is easy to handle and a manufacture thereof. SOLUTION: This plastic decorative sheet has a construction wherein a transparent or semitransparent plastic overlay sheet 4 and a resin transfer coat layer 7 formed by transfer from a polyester film 11 as a transfer base material are formed by thermal lamination on the surface side of a plastic pattern sheet 3 which has, on the surface, a pattern layer 2 having partially, at least, a pattern part of brilliance (light-reflecting property). While a back emboss 5 is formed from the back side of the pattern sheet 3, in this case, an intermediate emboss 6 along the back emboss 5 is formed in the pattern layer 2 by the back emboss 5.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a plastic decorative sheet to be laminated on the wall surface of a house, fittings, or the surface of furniture, furniture, etc., and in particular, has a glittering or light-reflecting pattern in whole or in part. The present invention also relates to a plastic decorative sheet which is embossed with the aim of achieving a synergistic decorative effect of a glittering pattern and a concavo-convex pattern by embossing, and a method for producing the same.

[0002]

2. Description of the Related Art Hitherto, an uneven pattern by embossing formed on a laminated plastic decorative sheet has been formed on the sheet surface. Some of them were embossed from the back side, but the thickness of the sheet was 1 mm or more.

[0003]

However, when the above technique for embossing from the back side is used for a thin plastic decorative sheet, the embossing is affected even on the front surface, and a plastic decorative sheet having a good surface condition cannot be obtained. There is.

The present invention has been made in view of the above points, and the synergistic decorative effect of the glitter pattern and the embossed pattern due to embossing is exerted to a higher degree, and the smoothness of the surface is impaired. It is an object of the present invention to provide an easy-to-handle plastic decorative sheet and a method for producing the same.

[0005]

[Means for Solving the Problems] Next, means for solving the above problems will be described with reference to the embodiments shown in the drawings. That is, the plastic decorative sheet 1 according to the invention of claim 1
(Fig. 1) and 101 (Fig. 4) are transparent or translucent plastics on the surface side of a plastic pattern sheet 3 having a pattern layer 2 having a glittering (light reflecting) pattern portion on at least a part thereof. In a plastic decorative sheet in which an overlay sheet 4 and a resin transfer coating layer formed by transfer using a polyester film as a transfer base material are laminated by thermal lamination, a back emboss 5 is formed from the back side of the pattern sheet 3 and the back embossing 5 is formed. The embossing 5 is characterized in that the pattern layer 2 is formed with an intermediate embossing 6 along the back embossing 5.

In the plastic decorative sheet 1 (FIG. 1) according to the second aspect of the present invention, the resin transfer coat layer 7 is a layer having a smooth surface and a high hardness by being coated on the smooth polyester film 11. Is characterized by.

In the plastic decorative sheet 101 (FIG. 4) according to the third aspect of the present invention, the resin transfer coat layer 8 is
The polyester film 111 having fine irregularities is coated, so that the surface is a fine matte surface 9 and is a highly advanced layer.

The pattern sheet 3 and the overlay sheet 4 may be made of vinyl chloride resin, olefin resin, or acrylic resin.

As the resin transfer coat layers 7 and 8, a normal resin transfer coat layer containing polymethylmethacrylate as a main component can be used. High resin layers can be used.

Polyester film 1 as transfer substrate
Polyethylene terephthalate film (PET film) is usually used for No. 1 and 111.

The overlay sheet 4 also includes colored transparent or translucent.

The plastic pattern sheet 3 is formed by using a printing sheet for printing with a material that reflects light such as a bright pigment on the surface, kneading a material that reflects light on the surface, or forming a metal thin film. You can Patterned sheet 3 by adhering metal foil to the surface of the sheet or by metal deposition
Can also be formed.

In the above-described plastic decorative sheets 1 (FIG. 1) and 101 (FIG. 4) according to the present invention, the intermediate emboss 6 is provided inside the layer even though the surface is a smooth surface or a matte surface. The glittering pattern portion 2a in the patterning layer 2 appears to shine inside the interior of the pattern by the reflected light, and the glittering pattern portion 2a in the patterning layer 2 follows the unevenness due to the intermediate embossing 6.
Due to the unevenness, the reflected light changes depending on the viewing angle. Further, although the structure uses the embossing action, since the surface is smooth or substantially smooth, there is little contamination and cleaning is easy.

A fourth aspect of the present invention relates to a method for manufacturing the plastic decorative sheets 1 (FIG. 1) and 101 (FIG. 4).
FIG. 2 is an end view showing each layer of the sheet in the manufacturing process of the plastic decorative sheet, and FIG. 3 is a view showing a manufacturing method. With reference to FIGS. 2 and 3, the manufacturing method according to the invention of claim 4 Will be explained. That is, in the method for producing a plastic decorative sheet according to the invention of claim 4, the plastic pattern sheet 3 having the pattern layer 2 having a glittering or reflective pattern portion on at least a part thereof is transparent or semi-transparent on the surface side. The transparent plastic overlay sheet 4 is heat-laminated, the transfer film 10 is heat-laminated on the front surface side of the overlay sheet 4, and then the pattern sheet 3, the overlay sheet 4 and the transfer film 10 are laminated on the pattern sheet 3 from the back surface side. The embossing roll F is applied to form the back embossing 5 on the back surface of the pattern sheet 3 and simultaneously form the intermediate embossing 6 on the pattern layer 2.

In the embodiment of FIG. 2C, the transfer film 10 is a polyester film 11 as a transfer base material.
A hard coat layer constituting (111) and a resin transfer coat layer 7 having a smooth surface or a resin transfer coat layer 8 having a matte surface is laminated via a release layer 12, and an adhesive layer 14 is provided on the back surface of the hard coat layer. Is a laminated structure having.

The polyester films 11 and 111 of the transfer film 10 are peeled off from the plastic decorative sheets 1 and 101 as the final products. During the storage, transportation or pasting work, it is preferable to keep the polyester films 11 and 111 laminated in order to protect the surface of the plastic decorative sheet. Therefore, the polyester film 11, 111 is usually provided on the surface of the plastic decorative sheet 1, 101 at the time of shipment from the factory. Plastic decorative sheet 101 having resin transfer coat layer 8 having a matte surface
In order to manufacture (FIG. 4), the transfer film 10 using the polyester film 111 having fine irregularities formed on the back surface in advance is used.

As a method for producing the polyester film 111 having fine irregularities, fine embossing with a depth of about 1 to 5 .mu. Or a grain size of 10 .mu.
There is preferably a method of kneading 1 to 8 μm of inorganic particles.

According to the above manufacturing method, when the back embossing roll F is applied to the back surface of the laminated sheet which is the main body of the plastic decorative sheet to form the back embossing 5 and at the same time the intermediate embossing 6 is formed, the front surface side of the laminated sheet is Since the transfer film 10 is firmly covered and backed up, the smoothness of the surface side of the laminated sheet or the matte state due to the matte processing is not impaired.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be specifically described below based on the illustrated embodiments. FIG. 1 shows the first embodiment.
3 is an end view of the plastic decorative sheet 1 according to FIG. In this plastic decorative sheet 1, a transparent or semitransparent plastic overlay sheet 4 is laminated on the surface side of a plastic pattern sheet 3 having a pattern layer 2 having a glittering (light reflecting) pattern portion 2a on at least a part thereof. In the plastic decorative sheet, the pattern sheet 3
The back embossing 5 is formed from the back surface side, and the back embossing 5 forms an intermediate embossing 6 along the back embossing 5 on the pattern layer 2. A resin transfer coat layer 7 having a smooth surface and high hardness is transferred and formed on the surface of the overlay sheet 4 by thermal lamination via an adhesive layer.

Pattern sheet 3 and overlay sheet 4
Is formed of a vinyl chloride resin, and the resin transfer coat layer 7 is formed of a normal resin transfer coat layer containing polymethyl metal acrylate as a main component. As the pattern sheet 3, a printing sheet having the pattern layer 2 printed on the surface thereof with a pigment containing a bright pigment as at least a part thereof is used.

Next, a method of manufacturing the plastic decorative sheet 1 according to the first embodiment will be described with reference to FIGS. 2 and 3. The manufacturing method according to this embodiment uses a stacking method called doubling embossing, which is also shown in Japanese Patent Publication No. 7-39170. In this manufacturing method, as shown in FIG. 3, a roll B of a plastic pattern sheet 3 as a printing sheet having a glittering (light-reflecting) pattern layer 2 printed on its surface, a roll C of an overlay sheet 4, and a transfer film. Ten rolls D are formed in advance and prepared. The preheated pattern sheet 3 is pressure-bonded onto the heating drum A, and the preheated overlay sheet 4 is placed thereon.
Is crimped, and the transfer film 10 is further crimped thereon.

As described above, the transfer film 10 is coated with the polyester film 11 as a transfer substrate and the resin transfer coat layer 7 as a hard coat layer via the release layer 12, and the back surface of the resin transfer coat layer 7 is coated with the resin film 11. Is the adhesive layer 14
Is a laminated structure having. Polyester film 11
Is a member that finally peels off and imparts smoothness to the surface of the plastic decorative sheet 1.

The thus laminated three-layer laminated sheet is unwound from the heating drum A, and the rubber roll E and the embossing roll F apply back embossing from the back side of the pattern sheet 3, and at the same time, the intermediate emboss 6 is applied to the pattern layer 2. Form.

At this time, the surface side of the laminated sheet has a polyester film 11 as a transfer base material of the transfer film 10.
Since it is backed up by, it is hardly affected by the back embossing, and the surface smoothness and high gloss are imparted.

FIG. 4 is a sectional view of the plastic decorative sheet 101 according to the second embodiment. This plastic decorative sheet 101 has a matte surface 9 on the surface of the overlay sheet 4, which is finer unevenness than the intermediate embossing 6, and a polyester film 11 having fine unevenness.
1 is a structure in which a resin transfer coat layer 8 formed by thermal transfer is formed, and the other structures are the same as those of the plastic decorative sheet according to the first embodiment. The manufacturing method of the second embodiment is the same as the manufacturing method described above except that the surface side of the resin transfer coat layer 8 as the hard coat layer of the transfer film 10 is matted.

[0026]

EXAMPLES Examples of the present invention will be given below. Example 1 (corresponding to Example 1 of the plastic decorative sheet according to the first embodiment (FIG. 1)) (1) 90 μ semi-rigid P colored in gray with a lightness of 7.0
First of all for VC film, a PVC ink medium (transparent ink): silver ink (ink containing aluminum pigment)
= 50:50 print with a negative tone plate (visible when white sand is sprinkled on black paper, equivalent to printing on black paper) to increase the amount of reflection when embossed on the back. . (2) Next, using a grain-tone positive plate (inversion of the negative plate of (1)), medium: black ink: red ink:
Print with beige ink consisting of yellow ink = 94.5: 0.4: 1.7: 3.4. Both (1) and (2)
A gravure halftone gravure plate was used. (3) Further, solid printing is performed with a gravure roll having a depth of 40 μ and a mesh of 150 to give a depth. Ink is medium: black ink: red ink: yellow ink = 9
A semi-rigid PVC printing film (pattern sheet 3) was produced using a beige color thinner than (2) consisting of 8.7: 0.2: 0.7: 0.4. (4) Next, using a three-layer laminator, a semi-rigid transparent PVC film (overlay sheet 4) having a thickness of 60 μm on the printed surface of the semi-rigid PVC printing film (pattern sheet 3) manufactured in (1) to (3), After laminating a hard coat transfer foil (transfer film 10) using a PET film transfer substrate (transfer substrate 11) having a thickness of 12 μm in this order, a cross-like pattern made by etching from the back side of the printing film (pattern sheet 3) Emboss with an embossing roll (depth 50 μMAX). (5) By peeling off the PET film transfer substrate (transfer substrate 11), a three-dimensional plastic decorative sheet having a smooth and glossy hard coat transfer foil layer was obtained.

Example 2 (corresponding to Example 2 of the plastic decorative sheet of Embodiment 1 (FIG. 1)) (1) 100 μ, which is close to the pressure-applied finish of the birch grain.
Semi-rigid PVC printing film (Munsell code: 5YR
6/10) first, a black-and-white plate with halftone dot gravure in a hairline pattern, and par white: pearl gold = 2
Print with 0:80 ink. (2) Next, using a plate in which the grain of the birch was separated into three colors, respectively: medium: black ink: red ink: yellow ink, the first color was 90: 1: 2: 7, and the second color was 73: 3:
The semi-rigid PVC printing film (pattern sheet 3) was manufactured by printing at 4:20 and the third color at 77: 6: 7: 10. The plates used were both made by electronic engraving. (3) Next, using a three-layer laminator, a semi-rigid PVC film (overlay) of 200 μ is formed on the printing surface (pattern layer 2) of the semi-rigid PVC printing film (pattern sheet 3) printed in (1) to (3). The sheet 4) and a hard coat transfer foil (transfer film 10) using a PET film transfer substrate (polyester film 11) having a thickness of 50 μ are laminated in this order, and then an etching method is applied from the back side of the printing film (pattern sheet 3). Emboss with the emboss roll (depth 50μMAX) of the hairline you made. (4) By peeling off the PET film transfer base material (transfer base material 11), a three-dimensional plastic decorative sheet having a smooth and glossy hard coat transfer foil layer (smooth surface coat layer 7) can be obtained. It was

As described above, for those having a high surface gloss and requiring flatness, the PET film transfer base material (polyester film 11) is thickened, and especially the hardness of the rubber roll used facing the embossing roll is JIS. 8 in hardness
Use 0 degree (usually about 70 degrees), and make sand particles mixed in rubber finer than normal 320 mesh 50
The amount of the mixture was about 0 mesh, and the mixing amount was 50 parts (usually about 60 parts) with respect to the rubber content. That is, the depth of the embossing roll is 10 μ to 150 μ, preferably 15 μ to 100 μ.
μ. The roughness of the particles used for the rubber roll is 2
The mesh is 80 mesh or more, preferably 300 to 800 mesh. The thickness of the plastic decorative sheet is 100.
~ 450μ, thickness of transparent film (overlay sheet 4) is 50-300μ, printing film (pattern sheet 3)
Has a thickness of 50 to 150 μ. The thickness of the PET film transfer substrate (transfer substrate 11) of the hard coat transfer foil (transfer film 10) is 10 to 80 μm, preferably 1 μm.
It is set to 2 to 60 μ.

Example 3 (Example 1 of the plastic decorative sheet of Embodiment 2 (FIG. 4): Corresponding to a matte (matte) hard coat transfer foil) (1) Spruce A grain close to a grained board 90μ semi-rigid PVC film (Munsell code: 2.5Y 9 /
2) First, with a gravure roll of 150 mesh and a depth of 40μ, Pearl White: Pearl Gold = 70: 3
Solid print with 0 ink. (2) Next, it is a plate that expresses the texture of the spruce grain wood surface. Medium: Black ink: Red ink: Yellow ink = 9
Print with 6.3: 1: 1.2: 1.5 ink. (3) A plate in which the grain of spruce is further emphasized, and medium: black ink: red ink: yellow ink = 93.4: 0.
A semi-rigid PVC printing film (pattern sheet 3) was manufactured by printing with an ink of 6: 1.5: 4.5. (2),
As the plate of (3), a plate made by electronic engraving was used. (4) Next, using a three-layer laminator, a semi-rigid transparent PVC printing film of 100 μm on the printing surface (pattern layer 2) of the semi-rigid PVC printing film (pattern sheet 3) printed in (1) to (3). (Overlay sheet 4) After laminating a matte hard code transfer foil (transfer film 10) using a PET film transfer base material (transfer base material 11) having a thickness of 12μ pre-embossed to a depth of about 4μ in this order, Hairline embossing roll (depth 100μ) made from the back side of the printing film (pattern sheet 3) by the mill method.
Emboss with MAX). (5) By peeling off the PET film transfer base material (polyester film 11), the surface has a matte (matte surface) hard coat transfer foil layer (resin transfer coat layer 8) and a realistic three-dimensional appearance. A plastic decorative sheet with a spruce pattern was obtained.

[0030]

EFFECTS OF THE INVENTION According to the plastic decorative sheet according to the inventions of claims 1 to 3 of the present application, the intermediate embossing 6 is provided inside the layer even though the surface is a smooth surface or a matte surface, and Depending on the viewing angle, the glittering pattern portion 2a in the pattern layer 2 looks shining due to the reflected light, and the glittering pattern portion 2a in the pattern layer 2 is uneven along the unevenness due to the intermediate embossing 6. Since the reflected light changes, the synergistic decorative effect of the glitter pattern and the embossed pattern due to embossing is exerted to a higher degree, and an excellent decorative effect can be obtained. Further, although the structure uses the embossing action, since the surface is smooth or substantially smooth, there is little contamination and cleaning is easy. Further, the embossed shine from the intermediate layer is contrasted with a glossy or matte surface to provide a more shine effect.

Furthermore, since the glitter pattern is covered and protected by the overlay sheet 4, and the intermediate emboss imparted to the intermediate glitter pattern is also applied from the back side of the pattern, the glitter pattern is caused by the embossing. Printing is not damaged.

Furthermore, since the resin transfer coat layer having a hard and glossy smooth surface or the resin transfer coat layer having a hard matte surface is formed on the surface, there is little pollution and scratches are prevented. Not only is cleaning easy, but the luster from the inside of the sheet due to the intermediate embossing 6 is contrasted with the high gloss or matte surface of the surface, giving a strong impression, and a further excellent decorative effect is obtained. Also,
The back embossing does not affect the smooth surface, high gloss surface or matte surface due to the backup function of the hard resin transfer coat layer.

According to the manufacturing method of the fourth aspect,
When the embossing roll F is applied to the back surface of the laminated sheet which is the main body of the plastic decorative sheet to form the back embossing 5 and at the same time the intermediate embossing 6 is formed, the front surface side of the laminated sheet is firmly covered by the transfer film 10 and backed up. Therefore, there is an excellent effect that the smoothness of the surface side of the laminated sheet or the matte state due to the matte embossing is not impaired.

[Brief description of the drawings]

FIG. 1 is an end view of a plastic decorative sheet according to a first embodiment of the present invention.

FIG. 2 is an end view of a sheet layer showing a process of manufacturing a plastic decorative sheet according to the present invention.

FIG. 3 is a diagram showing a method of a method for manufacturing a plastic decorative sheet according to the present invention.

FIG. 4 is an end view of the plastic decorative sheet according to the second embodiment of the present invention.

[Explanation of symbols]

1, 101 Plastic decorative sheet, 2 pattern layer, 3 pattern sheet, 4 overlay sheet, 5
Back embossing, 6 Middle embossing, 7,8 Resin transfer coat layer, 9 Matte embossing, 10 Transfer film, 11,111 Polyester film, 12
Release layer, 14 Adhesive layer, A heating drum, B Roll of plastic pattern sheet 3, C Roll of overlay sheet 4, D Roll of transfer film 10,
E rubber roll, F emboss roll

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Internal reference number FI Technical display location E04F 13/18 8913-2E E04F 13/18 A

Claims (6)

[Claims] 1. A transparent or semitransparent plastic overlay sheet on the surface side of a plastic pattern sheet having a pattern layer having a glittering or reflective pattern portion on at least a part thereof, and a polyester film as a transfer substrate. In a plastic decorative sheet in which a resin transfer coat layer formed by transfer is laminated by thermal lamination, a back emboss is formed from the back side of the pattern sheet, and the back emboss forms an intermediate emboss along the back emboss in the pattern layer. A plastic decorative sheet characterized in that 2. The plastic decorative sheet according to claim 1, wherein the resin transfer coating layer is a layer having a smooth surface and a high hardness by being coated on a smooth polyester film. 3. The plastic according to claim 1, wherein the resin transfer coat layer is a layer having a fine matte surface and a high hardness by being coated on a polyester film having fine irregularities. Makeup sheet. 4. A transparent or semitransparent plastic overlay sheet is thermally laminated on the surface side of a plastic pattern sheet having a pattern layer having a glittering or reflective pattern portion on at least a part thereof, and the overlay sheet is After laminating the resin transfer coat layer transferred and formed by polyester film on the surface side by thermal lamination, the pattern sheet, the overlay sheet, the resin transfer coat layer and the emboss roll from the pattern sheet back side of the laminated sheet by the polyester film, A method for producing a plastic decorative sheet, characterized in that a back embossing is formed on the back surface of the pattern sheet and at the same time an intermediate embossing is formed on the pattern layer. 5. The plastic decorative sheet according to claim 4, wherein the resin transfer coat layer is a layer having a smooth and highly advanced surface by being coated on the smooth surface of the polyester film. Production method. 6. The resin transfer coat layer according to claim 4, wherein the surface of the polyester film is a fine matte and highly advanced layer by being coated on the fine uneven surface of the polyester film. A method for manufacturing a plastic decorative sheet.