JP2023106044A - Decorative sheet - Google Patents

Abstract

To provide a novel decorative sheet that has moisture proofness and can be folded or bent according to the shape of a substrate.SOLUTION: A decorative sheet 10 includes a plurality of flexible layers stacked and bonded to each other. The plurality of layers include a polyvinylidene chloride layer 12.SELECTED DRAWING: Figure 1

Description

TECHNICAL FIELD The present invention relates to a decorative sheet used for a decorative board, which is one of building materials.

Conventionally, as a decorative sheet pasted on a wood-based base material (hereinafter referred to as a wood-based base material) for forming a decorative board, a polysand paper made by sandwiching a polyethylene film between two sheets of paper is used. It has been known. Since the polysand paper has moisture resistance, it contributes to preventing warping and distortion due to moisture in the wooden base material to which the decorative sheet is attached.

By the way, when attaching the decorative sheet to the wooden base material, the decorative sheet is folded or curved according to the shape of the wooden base material, thereby covering not only the surface of the woody base material but also its side surfaces. can be considered. According to this, it is possible to reduce the labor and time required for attaching the decorative sheet. However, polysand paper has poor elasticity. Therefore, it is difficult to bend or curve the decorative sheet containing the polysand paper according to the shape of the wooden base material.

JP 2018-171769 A

SUMMARY OF THE INVENTION In view of the conventional circumstances, the present invention provides a new decorative sheet that has moisture resistance and can be bent or curved according to the shape of the substrate.

The decorative sheet according to the present invention comprises a plurality of laminated and adhered flexible layers, said plurality of layers comprising a polyvinylidene chloride layer.

In the decorative sheet according to the present invention, the polyvinylidene chloride layer among the plurality of layers stacked and adhered to each other imparts moisture resistance to the decorative sheet. For this reason, the decorative sheet contributes to the prevention of warpage and distortion due to moisture absorption in the substrate to which the decorative sheet is attached, particularly woody substrates. Moreover, in the decorative sheet, the plurality of layers including the polyvinylidene chloride layer have flexibility. Therefore, the decorative sheet can be bent or curved when attached to the base material, thereby covering the surface and side surfaces of the base material. It is possible to save the labor and time required for the attachment work.

The plurality of layers are composed of, for example, the polyvinylidene chloride layer, the opaque polyvinyl chloride layer, the pattern-printed layer, and the transparent topcoat layer, which are sequentially laminated and adhered to each other. Here, the top coat layer functions to protect the pattern printed layer in a visible state. Also, the opaque polyvinyl chloride layer functions as a concealing layer that conceals the polyvinylidene chloride layer.

Further, the plurality of layers are composed of, for example, an opaque polyvinyl chloride layer, a pattern printed layer, the polyvinylidene chloride layer, and a transparent topcoat layer, which are sequentially laminated and adhered to each other.

Further, the plurality of layers are composed of, for example, an opaque polyvinyl chloride layer, the polyvinylidene chloride layer, a pattern-printed layer, and a transparent topcoat layer, which are sequentially laminated and adhered to each other.

The topcoat layer may be composed of a matte layer portion and a glossy layer portion covering the matte layer portion from the viewpoint of decoration or design improvement of the decorative sheet.

In addition, the plurality of layers are composed of, for example, the polyvinylidene chloride layer, the opaque polyvinyl chloride layer, the pattern-printed layer, and the transparent polyvinyl chloride layer, which are stacked in sequence and adhered to each other. be able to. Here, the transparent polyvinyl chloride layer functions to protect the pattern printed layer in a visible state.

Further, the plurality of layers are composed of, for example, an opaque polyvinyl chloride layer, a pattern printed layer, a transparent polyvinyl chloride layer, and the polyvinylidene chloride layer, which are sequentially laminated and adhered to each other. The pattern-printed layer is made visible by the transparent polyvinyl chloride layer and the transparent polyvinylidene chloride layer.

Further, the plurality of layers are composed of, for example, an opaque polyvinyl chloride layer, a picture print layer, the polyvinylidene chloride layer, and a transparent polyvinyl chloride layer, which are sequentially laminated and adhered to each other.

Also, the plurality of layers are composed of, for example, an opaque polyvinyl chloride layer, the polyvinylidene chloride layer, a pattern-printed layer, and a transparent polyvinyl chloride layer, which are sequentially laminated and adhered to each other.

It is a sectional view showing an example of a decorative sheet. FIG. 10 is a cross-sectional view showing another example of the decorative sheet; FIG. 4 is a cross-sectional view showing still another example of the decorative sheet; FIG. 4 is a cross-sectional view showing still another example of the decorative sheet; FIG. 4 is a cross-sectional view showing still another example of the decorative sheet; FIG. 4 is a cross-sectional view showing still another example of the decorative sheet; FIG. 4 is a cross-sectional view showing still another example of the decorative sheet;

Referring to FIG. 1, an example of a decorative sheet according to the present invention is indicated generally at 10. As shown in FIG.

The decorative sheet 10 is applied to a substrate, particularly a wood-based substrate (not shown). The wood-based base material includes, for example, particle board, wood plywood, medium-density fiberboard, and the like.

The decorative sheet 10 comprises a plurality of laminated flexible layers, said plurality of layers including a polyvinylidene chloride layer 12 .

The polyvinylidene chloride layer 12, which is one of the stacked layers, has moisture resistance and imparts moisture resistance to the decorative sheet 10 composed of the plurality of layers. As a result, the wooden base material to which the decorative sheet 10 is attached is prevented from absorbing moisture and from being warped or distorted.

In addition, since the plurality of layers including the polyvinylidene chloride layer 12 are flexible, the decorative sheet 10 can be folded or curved when attached to the woody base material. By this bending or curving, the surface and side surfaces of the wood base material can be covered at once, and the labor and time required for attaching the decorative sheet 10 can be reduced. The decorative sheet 10 according to the present invention can be attached to a base material other than the woody base material.

The decorative sheet 10 shown in FIG. 1 comprises a polyvinylidene chloride layer 12 made of a moisture-proof coating agent, an opaque polyvinyl chloride layer 14 made of a film, and a pattern printed layer 16 made of printing ink, which are sequentially stacked and adhered to each other. and a top coat layer 18 having transparency. The polyvinylidene chloride layer 12 is highly workable and exhibits moisture resistance even when its thickness is relatively thin. The opaque polyvinyl chloride layer 14 has, as its characteristics, relatively excellent workability, and also serves to hide the color of the base material such as MDF (medium density fiber) and the like. The printing ink of the pattern printing layer 16 is preferably made of, for example, vinyl chloride or vinyl chloride/acrylic resin. The vinyl chloride or vinyl chloride/acrylic resin has excellent adhesion and workability to the polyvinyl chloride layer 14 or the polyvinylidene chloride layer 12 . The topcoat layer 18 made of a film is made of, for example, urethane-based resin. The urethane-based resin has transparency and protects the pattern printed layer 16 so that it can be seen. All of these layers 12-18 have flexibility that allows them to be folded and curved. As for the thickness of each layer, as an example, the polyvinylidene chloride layer 12 has a thickness of 5 μm, the opaque polyvinyl chloride layer 14 has a thickness of 70 μm, the pattern printed layer 16 has a thickness of 1 μm, and the topcoat layer 18 has a thickness of 1 μm. is set to 2 μm.

2 to 7 show examples of decorative sheets 10 according to other examples.

The decorative sheet 10 shown in FIG. 2 comprises an opaque polyvinyl chloride layer 14, a pattern printed layer 16, a polyvinylidene chloride layer 12, and a top coat layer 18 which are sequentially laminated and adhered to each other.

The decorative sheet 10 shown in FIG. 3 comprises an opaque polyvinyl chloride layer 14, a polyvinylidene chloride layer 12, a pattern printed layer 16, and a topcoat layer 18, which are sequentially laminated and adhered to each other.

In the examples shown in FIGS. 1, 2 and 3, the top coat layer 18 includes a matte layer portion (not shown) made of a matte coating agent and a gloss layer covering the matte layer portion in order to impart a design effect. It may consist of a gloss layer portion (not shown) made of a coating agent.

The decorative sheet 10 shown in FIG. 4 includes a polyvinylidene chloride layer 12, an opaque polyvinyl chloride layer 14, a pattern printed layer 16, and a transparent polyvinyl chloride layer 20 made of a film, which are sequentially laminated and adhered to each other. consists of The transparent polyvinyl chloride layer 20, like the other layers 12-18, is flexible. The transparent polyvinyl chloride layer 20 serves to protect the picture printed layer 16 from being visible. The thickness of the transparent polyvinyl chloride layer 20 is set to 100 μm as an example.

The decorative sheet 10 shown in FIG. 5 comprises an opaque polyvinyl chloride layer 14, a pattern printed layer 16, a transparent polyvinyl chloride layer 20, and a polyvinylidene chloride layer 12 which are sequentially laminated and adhered to each other.

The decorative sheet 10 shown in FIG. 6 comprises an opaque polyvinyl chloride layer 14, a pattern printed layer 16, a polyvinylidene chloride layer 12, and a transparent polyvinyl chloride layer 20 which are sequentially laminated and adhered to each other.

Finally, the decorative sheet 10 shown in FIG. 7 comprises an opaque polyvinyl chloride layer 14, a polyvinylidene chloride layer 12, a pattern printed layer 16, and a transparent polyvinyl chloride layer 20 which are sequentially stacked and adhered to each other. consists of

The decorative sheet 10 shown in FIGS. 1 to 7 includes a polyvinylidene chloride layer 12 (FIG. 1), an opaque polyvinyl chloride layer 14 (FIG. 2), and an opaque polyvinyl chloride layer 14 (FIG. 2), which constitute the bottom layer, respectively. 3), polyvinylidene chloride layer 12 (FIG. 4), opaque polyvinyl chloride layer 14 (FIG. 5), opaque polyvinyl chloride layer 14 (FIG. 6) and opaque polyvinyl chloride layer 14 (FIG. 7). , is attached to the substrate.

10 Decorative sheet 12 Polyvinylidene chloride layer 14 Opaque polyvinyl chloride layer 16 Picture print layer 18 Top coat layer 20 Transparent polyvinyl chloride layer

Claims (9)

A decorative sheet consisting of a plurality of flexible layers that are stacked and adhered to each other,
The decorative sheet, wherein the plurality of layers includes a polyvinylidene chloride layer. 2. The plurality of layers according to claim 1, wherein the plurality of layers are composed of the polyvinylidene chloride layer, an opaque polyvinyl chloride layer, a pattern-printed layer, and a transparent topcoat layer, which are sequentially stacked and adhered to each other. cosmetic sheet. 2. The plurality of layers according to claim 1, wherein the plurality of layers consist of an opaque polyvinyl chloride layer, a picture print layer, the polyvinylidene chloride layer, and a transparent topcoat layer, which are sequentially stacked and adhered to each other. cosmetic sheet. 2. The plurality of layers according to claim 1, wherein the plurality of layers consist of an opaque polyvinyl chloride layer, the polyvinylidene chloride layer, a pattern-printed layer, and a transparent topcoat layer, which are sequentially laminated and adhered to each other. cosmetic sheet. The decorative sheet according to any one of claims 2 to 4, wherein the topcoat layer comprises a matte layer portion and a gloss layer portion covering the matte layer portion. 2. The method of claim 1, wherein the plurality of layers consist of the polyvinylidene chloride layer, the opaque polyvinyl chloride layer, the graphic print layer, and the transparent polyvinyl chloride layer, which are sequentially stacked and adhered to each other. cosmetic sheet. 2. The method of claim 1, wherein the plurality of layers consist of an opaque polyvinyl chloride layer, a graphic layer, a transparent polyvinyl chloride layer, and the polyvinylidene chloride layer, which are sequentially stacked and adhered to each other. cosmetic sheet. 2. The method of claim 1, wherein the plurality of layers consists of an opaque polyvinyl chloride layer, a graphic print layer, the polyvinylidene chloride layer, and a transparent polyvinyl chloride layer that are sequentially stacked and adhered to each other. cosmetic sheet. 2. The method of claim 1, wherein said plurality of layers consists of an opaque polyvinyl chloride layer, said polyvinylidene chloride layer, a graphic print layer, and a transparent polyvinyl chloride layer, which are sequentially stacked and adhered to each other. cosmetic sheet.

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