JPH0453746A - Decorative sheet having longitudinal warping layer - Google Patents

Abstract

PURPOSE:To obtain a decorative sheet prevented from the exposure of a synthetic resin to the surface thereof and having a high grade feeling and a varied design in low cost by providing a longitudinal warping layer on a base material and forming a pattern layer on the warping layer. CONSTITUTION:A longitudinal warping layer 10 is provided on a base material 1 through an adhesive 4 and a pattern layer 3 is formed on the warping layer 10. The density of the yarns of the longitudinal warping layer 10 is set to 10-30/cm. As the base material 1, paper used as the lining paper of the decorative sheet of this kind in general, a synthetic resin sheet and a composite material of them can be used and the longitudinal warping layer 10 is formed by uniformly arranging and fixing a plurality of yarns to the base material over the entire width thereof in a aligned state and, as the yarn, various yarns composed of a synthetic fiber such as a polyester fiber and a natural fiber such as a rayon fiber can be used.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a decorative sheet having a vertical warping layer, and specifically, the present invention relates to a decorative sheet having a vertical warping layer, and specifically, the above-mentioned decorative sheet having a luxurious feel and a design with a wide variety of variations. Regarding decorative sheets.

[Conventional technology]

Traditionally, architecture (ceiling materials, wall materials, floor materials, etc.), furniture.

Vehicles, electrical products. As a decorative sheet used for footwear, bags, etc., gravure printing is performed on base materials such as lining paper and synthetic resin sheets, either through a synthetic resin base coat or directly. The mainstream is those with design expressions such as rotary screen printing and embossing.

FIG. 2 is a diagram showing an example of a decorative sheet in which a pattern layer 3 made of a synthetic resin such as polyvinyl chloride is expressed on a backing paper 1 through a base coat 2 made of synthetic resin by gravure printing, rotary screen printing, etc. be.

However, such a decorative sheet lacks a sense of luxury because the base coat 2 made of synthetic resin is exposed on the surface.

Therefore, in order to meet the recent trend toward luxury, a woven fabric 5 is provided on the backing paper 1 with an adhesive layer 4 interposed therebetween, as shown in FIG.
Decorative sheets with woven fabric 5 exposed on the surface are now being molded.

[Problem to be solved by the invention]

However, in the case of the decorative sheet shown in FIG. 3, since the woven fabric 5 is bulky, the decorative sheet itself is also bulky and requires a large space for storage and transportation.

In addition, since the woven fabric 5 is made of threads woven vertically and horizontally, the adhesive layer 4 is bonded to the adhesive layer 4 at points, making it impossible to obtain sufficient bonding strength and preventing it from being applied to areas that are subject to considerable loads, such as floors. Not only is it virtually impossible to use it, but there is also the problem that it lacks durability even in places where it is not subject to much load, such as walls.

Furthermore, when trying to express a design on the woven fabric 5 by the above-mentioned gravure printing, rotary screen printing, etc., since the woven fabric 5 is made of threads woven vertically and horizontally as described above, it is difficult to apply ink. Unfortunately, if a small amount of ink is used, smudges and the like occur, making it impossible to express a good design.

Therefore, if you want to express a design that changes on a decorative sheet provided with the woven fabric 5, you will have to change the weaving method of the woven fabric 5 itself, which will not only increase the cost (but also There are limits.

The present invention takes the above points into consideration, and aims to provide a decorative sheet that does not expose synthetic resin on the surface of the decorative sheet, has a luxurious feel, and has a design that is rich in variety at a low cost. .

[Means to solve the problem]

In order to achieve the above-mentioned purpose, the decorative sheet of the present invention has the following features:
It is characterized in that a vertical warping layer is provided on the base material via an adhesive, and a pattern layer is formed on the vertical warping layer.

The decorative sheet of the present invention is also characterized in that the longitudinal warp layer has a thread density of IO to 30 threads/cm.

As the base material in the present invention, in addition to paper that is normally used as lining paper for this type of decorative sheet, synthetic resin sheets, composite materials thereof, etc. can be used, and the type is not particularly limited, but the A material that does not impair the smoothness of the vertical warping layer is suitable. Furthermore, depending on the intended use, the base material may be provided with various properties such as flame retardancy.

The vertical warping layer provided on the above base material via adhesive,
Multiple threads are placed on the adhesive width (same as the width of the base material, or slightly narrower) and aligned uniformly on the cup.
This thread can be made of synthetic fibers such as polyester, polyamide, polypropylene, polyethylene, etc., various threads made of natural fibers such as rayon, wool, string, cotton, linen, etc., or depending on the purpose. Threads having various properties such as flame retardancy, dyed threads, etc. are used, and the threads may be thin or thick, and may be used alone or in combination as appropriate.

However, in the decorative sheet of the present invention, it is necessary to form a pattern layer on this vertically warped layer, so if it is too thick, the fibers will become entangled and large voids will be created. As in the case of No. 5, the ink for forming the pattern layer has poor adhesion, resulting in a lack of suitability for printing. On the other hand, if the threads are too thin, the number of yarns required to form the vertical warping layer will be too large, which will not only make it difficult to form the vertical warping layer, but also make it difficult for people to visually inspect the yarn. It becomes impossible to recognize that it is a layer, and the appearance is similar to that of the decorative sheet shown in FIG., which has a pattern layer formed on a synthetic resin sheet, and lacks a sense of luxury.

Therefore, in the decorative sheet of the present invention, 0.2 to 0.6 mm
It is preferable to use threads of a certain thickness.

As long as the threads have a thickness of this order, it is not necessary to use threads of the same thickness, and a mixture of thin threads and thick threads can be used.

Moreover, in the decorative sheet of the present invention, the yarn density of the vertical warp layer using yarns having a thickness within the above range is 10 to 30 yarns/cm
It is appropriate to do so.

In other words, if the thread density is less than 10 threads/cm, when using threads with a thickness within the above range, the gaps between the threads will become too large and the ink for forming the pattern layer will not adhere well to the threads. If you try to eliminate the gap, you will have to use a thread thicker than the above range, which will also result in poor ink coverage.

When using yarns with a thickness within the above range, not only will the yarns overlap vertically, making it impossible to form a good vertical warping layer, but also the ink will not be absorbed in this overlapping area. If you try to eliminate this overlapping part, you will have to use yarn thinner than the above range, and it will be impossible to recognize that it is a vertically warped layer, resulting in a lack of luxury.

The adhesive for fixing such a vertical warping layer on the base material includes a synthetic resin adhesive that has good adhesion to the base material and the yarns constituting the vertical warping layer; For example, vinyl acetate, ethylene/vinyl acetate copolymer, acrylic, and urethane.

A polyester synthetic resin adhesive or the like is used.

Furthermore, the pattern layer formed on the vertical warp layer is a second pattern layer.
Ink made of synthetic resin, such as vinyl chloride resin, polyurethane resin, acrylic resin, nylon resin, etc., similar to the synthetic resin ink constituting the pattern layer 3 of the conventional decorative sheet shown in the figure, or other than these. It is composed of rubber-based synthetic resin ink, etc.

These synthetic resin inks may contain pigments and dyes that are commonly used to color these synthetic resins.

Further, the ink may be made of a foamable synthetic resin, an ink made of a non-foamed synthetic resin, or a mixture thereof. Furthermore, in the case of a foamable synthetic resin ink, it can also be used in combination with a synthetic resin ink containing a foaming inhibitor.

The decorative sheet of the present invention having the above configuration can be obtained, for example, by the following method.

First, the above adhesive is applied onto the base material using the rotary screen method, gravure method, offset method, flexo method, doctor knife method, or reverse roll method.

Coat to a uniform thickness using any other appropriate method.

On top of this, the above-mentioned threads, which are uniformly aligned and arranged, are placed on the width of the adhesive layer (same as the width of the base material or slightly narrower) with a thread density within the above-mentioned range, A vertical warp layer is formed by pressing onto the adhesive layer using a roll or the like.

Next, the above synthetic resin ink is applied onto the vertical warp layer thus formed by, for example, a rotary screen method,
A pattern layer is formed by printing an appropriate pattern using a gravure method, an offset method, a flexo method 2 or other appropriate method.

[Effect]

In the decorative sheet of the present invention, the vertical warp layer provided on the base material via an adhesive has the effect of giving a cloth-like luxurious feel to the viewer of the decorative sheet of the present invention, and also It also acts to enhance the design effect.

In addition, since this vertical warp layer is made of multiple threads that are evenly aligned and arranged in parallel, the contact area with the synthetic resin ink that makes up the pattern layer that is formed on top of this layer is small. It is large and also has the effect of improving the ink coverage.

In other words, the synthetic resin ink placed on the vertical warp layer by the above-mentioned rotary screen method, gravure method, etc.
Although it depends on the viscosity of the ink, if the viscosity is similar to that of the ink used to form the pattern layer 3 of the decorative sheet shown in FIG. The surface of the vertical warp layer is cast, and some of the fine gaps between the yarns are formed.

Alternatively, it penetrates into the minute gaps between the fiber bundles of the thread itself.

The ink that has been cast on the surface and the ink that has permeated into these gaps attract each other, and even a small amount of ink, such as that used when forming the pattern layer 3 in FIG. 2, does not cause smearing or the like.

In the case of the woven fabric 5 shown in FIG. 3, the ink cannot be spread over the surface, and it is thought that a small amount of ink as described above would cause smearing.

Further, in the present invention, when a high viscosity ink is used, the pattern layer is formed in a raised manner on the vertical warp layer because it does not penetrate into very fine gaps.

The pattern layer as described above works synergistically with the vertical warp layer to express a varied design on the decorative sheet of the present invention.

Note that this pattern layer is formed in the same manner using the same synthetic resin ink as in the case of forming the pattern layer 3 of the conventional decorative sheet shown in FIG. 2, due to the action of the vertical warp layer described above. As a result, it is possible to express designs with a wide range of variations at low cost.

Furthermore, the vertical warping layer is not bulky compared to woven fabric, and the decorative sheet of the present invention itself is not bulky, so it does not require a large space for storage or transportation.

In addition, the vertical warp layer has a larger bonding area with the adhesive compared to woven fabric, and can obtain sufficient bonding strength, resulting in improved durability and resistance to heavy loads such as floors. It can be used at any location.

〔Example〕

A flame-retardant backing paper is used as the base material, and on top of this, a vertical warping layer is applied using an adhesive using yarns of the type and thickness shown in Table 1, and at a yarn density shown in the table. was formed.

A synthetic resin ink with the following composition was used on these vertical warp layers, and a 20 g/m"
A pattern layer was formed by adjusting the amount of the ink so that the coating amount was as follows.

Composition of synthetic resin ink Niacrylic resin binder 100 parts by weight aqueous pigment
20 parts by weight water
5 parts by weight FIG. 1 is an explanatory diagram showing an example of the cross section of the decorative sheet of the present invention obtained in this manner.

In the figure, a vertical warping layer 10 is provided on a backing paper 1 via an adhesive 4, and a pattern layer 3 is formed on the vertical warping layer 10.

The above-mentioned synthetic resin ink constituting the pattern layer 3 is applied to the yarn 1, a part of which constitutes the vertical warp layer 10, as shown in the figure.
1, or even minute gaps such as between the fiber bundles of the yarn 11 itself (not shown).

In addition, the synthetic resin ink constituting the pattern layer 3 of the decorative sheet of the present invention obtained as described above was visually inspected for fading, and the results are also shown in Table 1.

In addition, in the same table, the mark ◎ means that the pattern layer is obtained with the desired finish and there is no fading at all, and the mark O means that the pattern layer is partially fading, but it is not a practical problem. means.

Table 1 As is clear from Table 1, when the thickness of the threads constituting the vertical warp layer is about 0.2 to 0.6 mm and the thread density is 10 to 30 threads/cm, a good ink is obtained. 20g/
It can be seen that no blurring occurs even with a small amount of ink applied, on the order of m''.

〔Effect of the invention〕

As described in detail above, the decorative sheet of the present invention provides a sense of luxury due to the presence of the vertical warp layer, and exhibits an excellent design effect due to the texture of the material.

In addition, since a pattern layer can be formed on this vertical warping layer in a good condition without ink smudges, the synergistic effect with the vertical warping layer allows it to be transformed into the decorative sheet of the present invention. It is possible to express a design with

Further, since the pattern layer on the vertical warp layer can be formed in the same manner as the pattern layer of a conventional decorative sheet, a variety of designs can be expressed at low cost.

In addition, since the vertical warp layer is not bulky, the decorative sheet of the present invention can be easily stored and transported.

Moreover, since the vertical warp layer comes into contact with the adhesive over a large adhesive area, it can obtain sufficient adhesive strength, improving durability and making it suitable for use with heavy loads such as flooring. can.

[Brief explanation of the drawing]

FIG. 1 is an explanatory diagram of one embodiment of the decorative sheet of the present invention, and FIG.
3 and 3 are explanatory diagrams showing an example of a conventional decorative sheet. 1...-Base material 3...Pattern layer 4...Adhesive layer IO...Vertical warping layer Fig.

Claims (2)

[Claims] (1) A decorative sheet having a vertical warp layer, characterized in that a vertical warp layer is provided on a base material via an adhesive, and a pattern layer is formed on the vertical warp layer. (2) The decorative sheet having a vertical warp layer according to claim 1, wherein the yarn density of the vertical warp layer is 10 to 30 threads/cm.