JP2001248079A - New high-quality wallpaper and method for producing the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a high-quality wallpaper having excellent feeling, relief effect and appearance and provide a method for the production of the wallpaper. SOLUTION: The objective high-quality wallpaper can be produced by successively laminating a foamed layer and a fiber sheet layer on a base sheet.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a novel high quality wallpaper and a method for producing the same. More specifically, the present invention relates to a wallpaper having excellent characteristics in feeling, three-dimensionality, and aesthetics, and a method for producing the wallpaper.

[0002]

2. Description of the Related Art Wallpapers having various structures have been known. For example, there are aqueous wallpapers in which an aqueous resin emulsion is applied on a base sheet, and PVC wallpapers in which vinyl plastisol is applied on a base sheet. Usually, these wallpapers are often subjected to three-dimensional processing by containing a foaming agent.

[0003] However, although the three-dimensional processing is performed by including a foaming agent, it is inherently impossible to wipe off the paper-like feel and appearance.

[0004] On the other hand, it is known to apply a laminating process using a synthetic resin film to these wallpapers for the purpose of, for example, antifouling of the surface (Japanese Utility Model Application Laid-Open No. 59-172797).
No.), even if this processing achieves surface antifouling,
In the present situation, it is still impossible to wipe out the above-mentioned problems, that is, paper-like tactile feel and appearance, and to decorate a wall surface that requires a luxurious and luxurious appearance. there were.

[0005] Further, cloth wallpaper is known as a wallpaper different from the above-mentioned wallpaper. Although such a wallpaper can avoid a paper-like feel, it cannot be subjected to three-dimensional processing due to various manufacturing problems. It was extremely difficult and there were design restrictions.

[0006]

SUMMARY OF THE INVENTION The present invention has been made in order to eliminate the above-mentioned problems, and has as its object to improve the feeling, the three-dimensionality, and the aesthetics.
An object of the present invention is to provide a high quality wallpaper having excellent characteristics and a method for manufacturing the same.

[0007]

Means for Solving the Problems The inventors of the present invention have made intensive studies to solve the above-mentioned problems, and found that excellent quality can be obtained by sequentially laminating specific layers on a base sheet. As a result of finding and further research, the present invention has been completed.

That is, the present invention relates to a wallpaper having the following constitution and a method for producing the same.

1. A high quality wallpaper obtained by laminating a foam layer and a fiber sheet layer on a base sheet in this order.

[0010] 2. A high quality wallpaper obtained by laminating the three layers on a base sheet in the order of a foam layer, an adhesive layer, and then a fiber sheet layer.

3. The foamed layer is formed by applying any one selected from a foaming agent-containing aqueous resin emulsion, a foaming agent-containing vinyl plastisol, and a foaming agent-containing synthetic resin compound. Or the high quality wallpaper according to 2.

4. 4. The high quality wallpaper according to the above 1, 2 or 3, wherein the foam layer contains a filler together with a foaming agent.

5. The high quality wallpaper according to the above 1, 2, 3 or 4, wherein the foaming agent is a foamed capsule and / or a chemical foaming agent.

6. 6. The high quality wallpaper according to the above 1, 2, 3, 4 or 5, wherein the fiber sheet layer is composed of any one selected from nonwoven fabric, woven fabric, knitted fabric and Japanese paper.

[0015] 7. The surface of the fiber sheet layer is stain-proof
Or the above 1, 2, 3, 4, 5 which has been colored
Or the high quality wallpaper according to 6.

8. 2. The method for producing high-quality wallpaper according to the above item 1, wherein the two layers are laminated on a base sheet in the order of a foam layer and then a fiber sheet layer, and then heat-treated.

9. 3. The method for producing high quality wallpaper according to the above item 2, wherein the three layers are laminated on a base sheet in the order of a foam layer, an adhesive layer, and then a fiber sheet layer, and then heat-treated.

10. On the base sheet, the one with the foam layer formed and the one with the adhesive layer formed on the back of the fiber sheet,
3. The method for producing high-quality wallpaper according to the above item 2, wherein a heat treatment is performed after laminating the foam layer and the adhesive layer so as to face each other.

11. 9. The method for producing high quality wallpaper according to the above item 8, wherein after forming a foamed layer on the base sheet, the fiber sheet layer is laminated when the foamed layer is still in a wet state or a molten state.

[12] After laminating the two layers on a base sheet in the order of a foam layer and then an adhesive layer, when the adhesive layer is still in a wet state or a molten state, the fiber sheet layer is laminated by laminating. 9. The method for producing high quality wallpaper according to item 9.

13. The above-mentioned 8, 9, 1 or 2, wherein an embossing treatment is performed after or simultaneously with the heating treatment.
13. The method for producing a high-quality wallpaper according to 0, 11 or 12.

14. The high-quality wallpaper according to the above 1, wherein a heat treatment is performed after forming the foam layer on the base sheet, and thereafter, the fiber sheet layer is laminated simultaneously with the embossing process before the foam layer is cooled and solidified. Manufacturing method.

[15] After laminating the two layers on the base sheet in the order of a foam layer and then an adhesive layer, heat treatment is performed, and then, before the foam layer and the adhesive layer are cooled and solidified, the fiber sheet layer is laminated simultaneously with the embossing process. 3. The method for producing a high quality wallpaper according to the above item 2, wherein

16. The time to perform the antifouling process and / or the coloring process on the fiber sheet layer surface is before the heat treatment,
The above-mentioned 8, 9, 10, 11, 12, 13, 14, or 15 which is carried out at any time selected from after the heat treatment or after the emboss treatment.
The method for producing the described high quality wallpaper.

According to the present invention, when specific layers, that is, a foam layer and a fiber sheet layer are sequentially laminated, a high-quality wallpaper having excellent characteristics in any of a feeling, a three-dimensional property and an aesthetic property can be obtained. It is based on the discovery of new facts.

In the present invention, it is presumed that the reason why such high-quality wallpaper was obtained is probably due to the synergistic effect of both layers due to the sequential lamination of the foam layer and the fiber sheet layer.

Therefore, as will be described later, even if layers other than the above-mentioned layers are laminated (except in the case where additional layers are provided on both the above-mentioned layers), it is not possible to obtain a high-quality product as in the present invention. Impossible.

As described above, a feature of the present invention is that a foam layer and a fiber sheet layer are sequentially laminated on a base sheet.
It has a completely new structure.

According to the present invention, by selecting such a novel configuration, it is possible to achieve both the avoidance of a paper-like tactile sensation and the realization of a luxurious and high-quality three-dimensional appearance. Its value is extremely high in that it has achieved the purpose of obtaining high quality wallpaper.

The production of the wallpaper of the present invention is economically advantageous because it does not require any specific materials or methods.

Hereinafter, the present invention will be described in more detail.

The present invention is based on a structure in which a foam layer and a fiber sheet layer are sequentially laminated on a base sheet. Therefore, the following description is based on this structure and includes other requirements.

(1) Base Sheet As the base sheet used in the present invention, any material may be used as long as it constitutes a conventionally known base material of wallpaper, and there is no particular limitation. . For example, paper, synthetic paper, flame-retardant paper, non-combustible paper,
Examples thereof include inorganic paper, laminated paper, synthetic resin film, and nonwoven fabric, but are not limited thereto.

In the above examples, paper, synthetic paper, flame-retardant paper, non-combustible paper, inorganic paper, laminated paper, and the like are preferably used, especially in consideration of the suitability for forming a foam layer described later. In consideration of the above, it is more preferable to use flame-retardant paper, non-combustible paper, inorganic paper, and the like.

(2) Foamed Layer The foamed layer of the present invention is usually formed by applying a foaming agent-containing coating agent on the above-mentioned base sheet.

As the coating agent, any one selected from a foaming agent-containing aqueous resin emulsion, a foaming agent-containing vinyl plastisol or a foaming agent-containing synthetic resin compound can be used.

Hereinafter, these will be described.

Bubble Agent-Containing Aqueous Resin Emulsion The present coating agent is based on a conventionally known synthetic resin emulsion, and has a constitution in which a foaming agent is added thereto. Examples of the synthetic resin emulsion include those composed of synthetic resins such as ethylene-vinyl acetate copolymer, ethylene-vinyl acetate-vinyl chloride copolymer, (meth) acrylate copolymer, urethane, and polyester. And rubbers such as natural rubber and synthetic rubber, but are not limited thereto. In the present invention, these can be used alone or in combination of two or more.

On the other hand, examples of the foaming agent include various foam capsules and chemical foaming agents.

As the foam capsule, conventionally known ones can be used without any particular limitation. For example, acrylates, vinylidene chloride, acrylonitrile, microparticles coated with a thermoplastic resin composed of a copolymer such as urethane or the like, hydrocarbon-based such as ethane, butane, pentane, neopentane, hexane, heptane, etc. Volatile expansion component is included, the particle size is approximately 1 to 50 μm, and when heated to the boiling point or more of the expansion component, the property of increasing the volume several times to several hundred times. It is better to use what you have.

These foamed capsules, whether in the unfoamed state or in the pre-foamed state, may be used as long as their volume is increased by the heat treatment described below. Agent.

The blending ratio of such a foamed capsule can be selected according to a desired foaming effect (volume expansion effect) without any particular limitation.
It can be arbitrarily selected within a range of about 0.1 to 100 parts by weight based on parts by weight.

On the other hand, conventionally known chemical foaming agents can be used without any particular limitation. For example, azodicarbonamide, dinitrosopentamethylenetetramine,
Examples include, but are not limited to, paratoluenesulfonyl hydrazide, sodium bicarbonate, ammonium carbonate, and the like.

The amount of the compound can be arbitrarily selected from the same range as in the above-mentioned foam capsule.

In the present invention, each of the above foaming agents can be used alone or in combination of two or more.

The coating agent may optionally contain known additives in addition to the components described above. As such an additive, for example, a filler or the like can be used.

Examples of the filler include various fillers such as calcium carbonate, precipitated barium sulfate, dolomite, titanium oxide, aluminum hydroxide, alumina, lithopone, kaolin, diatomaceous earth, bentonite, and chemical gypsum. However, the present invention is not limited to these.

In addition, dispersants, crosslinking agents, flame retardants, plasticizers, antibacterial agents, preservatives, deodorants and the like can also be used.

Blowing agent-containing vinyl chloride plastisol The coating agent is based on vinyl chloride plastisol,
It contains a foaming agent. As the vinyl chloride plastisol, any one having a conventionally known formulation can be used without limitation. In addition, a copolymer of vinyl chloride with ethylene, vinyl acetate, acrylate, acrylonitrile, or the like, or a blend of a homopolymer or a copolymer of these monomers may be used.

On the other hand, as the foaming agent, any conventionally known foaming agent can be used, and it is not particularly limited. For example, the above-mentioned foam capsule or chemical foaming agent can be used.

The coating agent may optionally contain known additives in addition to the components described above. As such additives, for example, besides the above-mentioned fillers that can be used, stabilizers, dispersants, cross-linking agents, flame retardants, plasticizers, antibacterial agents, preservatives, deodorants and the like can also be used. Can be.

Foaming Agent-Containing Synthetic Resin Compound The coating agent is based on a synthetic resin compound for heat-melt coating such as calender coating or die coating, and contains a foaming agent therein. As such a synthetic resin compound, any compound having a conventionally known formulation can be used without limitation.
It is composed of a synthetic resin, a plasticizer, a stabilizer, a lubricant and the like.

The synthetic resin compound is not particularly restricted but includes, for example, vinyl chloride polymers, ethylene-vinyl chloride copolymers, ethylene-vinyl acetate copolymers, vinyl chloride-ethylene-vinyl acetate copolymers. These polymers and copolymers can be mentioned, and acrylates, acrylonitrile, vinylidene chloride, butadiene, styrene and the like are copolymerized with these polymers or copolymers, or these monomers alone or It may be one containing a copolymer.

On the other hand, as the foaming agent, any of those conventionally known can be used and is not particularly limited. For example, the above-mentioned foam capsules and chemical foaming agents can be used.

The coating agent may optionally contain known additives in addition to the components described above. Examples of such additives include various fillers such as dispersants, flame retardants, antibacterial agents, preservatives, and deodorants, in addition to the fillers exemplified above.

In the present invention, although not particularly limited, for example, knife coating, air knife coating, gravure coating, reverse coating, roll coating, sponge roll coating, reverse roll coating, bar coating Method, a spray coating method, a flat screen method, a rotary screen method, a die coating method, a calendar method, a known method such as a casting method, the above-mentioned coating agent on the base sheet, usually 25 to 1000 g / m ² , preferably Can be applied and formed at an application amount of 50 to 500 g / m ² .

Function The foamed layer of the present invention has a function of imparting a three-dimensional effect to the wallpaper itself by performing the heat treatment described below, but also has a function of bonding a fiber sheet layer described later. Is what you do. However, in order to reinforce such an adhesive action, an adhesive layer described later may be separately applied on the present foamed layer without departing from the gist of the present invention. Further, in the present invention, an embodiment in which two or more foam layers are laminated may be employed.

(3) Fiber Sheet Layer The fiber sheet layer laminated on the above-mentioned foamed layer or on the below-mentioned adhesive layer is composed of any one selected from non-woven fabric, woven fabric, knitted fabric and Japanese paper. You.

Such a fiber sheet layer constitutes the surface of the wallpaper of the present invention, and its main functions are to avoid a paper-like tactile sensation and to provide an appearance excellent in design. It does not matter what the difference is in the weaving and weaving of the fibers and the types of the constituent fibers as long as is satisfied.

Accordingly, the constituent fiber types include cotton, hemp,
Natural fiber such as silk and wool, cellulose such as wood pulp and vegetable pulp, rayon, acetate, triacetate,
Reproduced or semi-synthetic fibers such as promixes, and synthetic fibers such as acrylic, polyester, nylon, and urethane can be selected over a wide range. These can be used alone or in combination of two or more. May be mixed.

The nonwoven fabric, woven fabric, knitted fabric, Japanese paper, or the like constituting such a fiber sheet layer is approximately several μm to several mm, preferably several tens μm to several millimeters, so that the three-dimensional effect of the foam layer is reflected. It is preferable to use one having a thickness of 100 μm, and it is also possible to use one that has been colored in advance by dyeing or the like.

The method for laminating the present fiber sheet layer is not particularly limited, and any method may be employed.

However, considering work efficiency and the like,
A method of performing wet lamination when the above-mentioned foamed layer or the later-described adhesive layer is still in a wet state or a molten state after coating, or the foamed layer (including the later-described adhesive layer if provided) is expanded in volume by heat treatment. It is preferable to adopt a method of laminating at the same time as embossing before being cooled and solidified after being forced.

(4) Adhesive layer As described above, the present adhesive layer is provided to reinforce the adhesive action of the foam layer to the fiber sheet layer when it is insufficient. It is formed by coating on the foamed layer in the same manner as the coating.

As such an adhesive layer, one having a constitution in which each coating agent used for forming a foamed layer does not contain a foaming agent, that is, an aqueous resin emulsion, vinyl chloride plastisol or a synthetic resin compound is used. In addition, an aqueous or oily composition such as a natural paste or synthetic paste such as starch, gelatin, carboxymethyl cellulose or the like, or a hot melt adhesive can also be used.

On the other hand, these adhesive layers may be formed not only on the foamed layer as described above but also on the back surface of the fiber sheet layer. In this case, lamination is performed in a laminated state in which the foam layer and the adhesive layer face each other.

(5) Manufacturing Method The wallpaper of the present invention has a laminated structure as described above, but can be manufactured by finally performing the following treatment.

That is, the laminate laminated as described above is
By subjecting the foamed layer to a heat treatment at a temperature of about 100 to 300 ° C., preferably about 120 to 250 ° C. for several seconds to several minutes, preferably about 10 seconds to 1 minute, the foamed layer is expanded (expanded in volume), A three-dimensional effect is imparted to the wallpaper of the present invention.

More preferably, the wallpaper of the present invention having an extremely excellent three-dimensional effect can be obtained by performing embossing using an embossing roller or the like after or simultaneously with the heat treatment.

On the other hand, after the foamed layer (including the adhesive layer if provided) is formed on the base sheet as described above, the foamed layer is subjected to a heat treatment under the same conditions as described above to thereby form the foamed layer. After foaming (volume expansion) and before cooling and solidifying, by laminating the fiber sheet layer simultaneously with the embossing treatment, it is possible to obtain the wallpaper of the present invention excellent in three-dimensional effect.

In each of the above embodiments, the foamed layer may be preliminarily dried before the heat treatment, without departing from the spirit of the present invention.

(6) Surface Treatment In the present invention, various treatments can be applied to the surface of the fiber sheet layer.

For example, an excellent antifouling effect can be imparted by applying an antifouling treatment agent containing an antifouling component, a water repellent component and the like to the surface. Examples of such an antifouling component or a water repellent component include a fluorine resin, a silicone resin, a water-soluble polymer, various waxes, and the like. Is imparted, and at the same time, an antibacterial action, a deodorant action, and the like can be imparted. This is a particularly preferred embodiment.

On the other hand, an excellent decorative effect can be imparted by applying a colorant containing a coloring component such as a dye or a pigment on the surface of the colorant. Such coloring process,
It may be one that is entirely colored or one that has a pattern formed by partial coloring, and may be applied by, for example, a gravure coating method or a rotary screen method. In order to enhance the transferability of the colorant (ink), an undercoat layer containing a synthetic resin or the like may be provided on the fiber sheet layer, and the colorant may be applied thereon. is there.

The antifouling process and the coloring process may be performed in advance before the above-described lamination, or after the lamination, before the heat treatment, or before the heat treatment. It can be applied after or after embossing.

(7) Uses The wallpaper of the present invention is used not only for decorating indoor wall surfaces, ceiling surfaces, or floor surfaces, but also as various decorative sheets such as fusuma paper and interior materials for vehicles. Can also be used.

[0077]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in more detail with reference to Examples, but the present invention is not limited thereto.

In the following examples, “parts” and “%” mean “parts by weight” and “% by weight” unless otherwise specified.

[0079]

Example 1 100 parts of an ethylene-vinyl acetate copolymer emulsion (aqueous emulsion containing 50% by weight of a copolymer) and foam capsules (Matsumoto Microsphere Co., Ltd.) on a base sheet (120 g / m ² flame-retardant paper) F-85,
A foaming agent-containing aqueous resin emulsion consisting of 10 parts of Matsumoto Yushi Seiyaku Co., Ltd., 80 parts of calcium carbonate, 20 parts of aluminum hydroxide, 2 parts of a silicone-based antifoaming agent, and 5 parts of propylene glycol is adjusted to 200 g / m ² by an applicator. A foam layer was formed by applying the entire surface in the same manner. Thereafter, while the foam layer was still wet, the fiber sheet layer (30 g / m ² polyester nonwoven fabric) was wet-laminated to form a fiber sheet layer on the foam layer.

Then, after performing preliminary drying at 120 ° C. for 2 minutes, and then performing heat treatment at 180 ° C. for 45 seconds, the volume expansion of the foamed layer is induced, and the unevenness is embossed. The wallpaper of the present invention was obtained.

The obtained wallpaper had an extremely soft feeling and a three-dimensional appearance rich in luxury.

[0082]

Example 2 In Example 1, a vinyl chloride resin for paste 100 was used instead of the aqueous resin emulsion containing a foaming agent.
Part, dioctyl phthalate 50 parts, zinc-based stabilizer 5 parts,
Except that a blowing agent-containing vinyl plastisol consisting of 3 parts of mineral spirit and 3 parts of a chemical blowing agent (azodicarbonamide) is used, all the other steps are the same as in Example 1 except that a foamed layer and a fiber sheet are formed on a base sheet. The layers were stacked.

After that, pre-drying is performed at 120 ° C. for 2 minutes, heat treatment is performed at 220 ° C. for 45 seconds to induce volume expansion of the foamed layer, and then, embossing is performed to form the foam layer. Obtained the wallpaper of the invention.

The obtained wallpaper had an extremely soft feeling and a three-dimensional appearance rich in luxury.

[0085]

Example 3 In Example 1, a polyester non-woven fabric (30 g / m ² ) constituting a fiber sheet layer was replaced with a cotton knitted fabric (1).
A wallpaper of the present invention was obtained in the same manner as in Example 1 except that the wallpaper was replaced with 80 g / m ² ).

The obtained wallpaper was the same as that of the first embodiment.
It had a very soft feel and a three-dimensional appearance rich in luxury.

[0087]

Example 4 Example 1 was repeated except that the polyester nonwoven fabric (30 g / m ² ) constituting the fiber sheet layer was replaced with Japanese paper (brushed pattern, 40 g / m ² ). Thus, the wallpaper of the present invention was obtained.

The obtained wallpaper is similar to that of the first embodiment.
It had a very soft feel and a three-dimensional appearance rich in luxury.

[0089]

Example 5 In Example 1, except that the polyester nonwoven fabric (30 g / m ² ) constituting the fiber sheet layer was replaced with a cotton / polyester mixed woven fabric (200 g / m ² ) colored in blue, all other components were used. The wallpaper of the present invention was obtained in the same manner as in Example 1.

The obtained wallpaper is similar to that of the first embodiment.
It had a very soft feel and a three-dimensional appearance rich in luxury.

[0091]

Example 6 In the same manner as in Example 1, a foam layer and a fiber sheet layer were laminated on a base sheet, and then air-dried.

Then, after printing an arbitrary pattern with gravure ink on the fiber sheet layer, 70 parts of a silicone-modified acrylic resin emulsion, 10 parts of a silicone resin (50% aqueous emulsion of polymethylsiloxane) as an antifouling component, 10 parts of sodium polyacrylate, 2 parts of blocked isocyanate crosslinking agent, titanium oxide photocatalyst 5
Parts, 0.5 part of carboxymethylcellulose and 11.1 parts of water.
By applying a coating composition consisting of 5 parts on the entire surface, a coloring process and an antifouling process were performed.

Thereafter, the foamed layer was subjected to heat treatment at 180 ° C. for 45 seconds to induce volume expansion of the foamed layer, and embossing was carried out to obtain the wallpaper of the present invention.

[0094] The obtained wallpaper has an extremely flexible feel, exhibits a high-quality three-dimensional decoration effect,
It showed an excellent surface antifouling effect.

[0095]

Example 7 70 parts of an ethylene-vinyl acetate copolymer emulsion (aqueous emulsion containing 50% by weight of a copolymer) and ethyl acrylate-acrylic acid-acrylonitrile on a base sheet (150 g / m ² noncombustible paper) 30 parts of copolymer emulsion (emulsion containing 40% by weight of copolymer), 10 parts of foam capsule (Matsumoto Microsphere F-85, manufactured by Matsumoto Yushi Seiyaku Co., Ltd.), 2 parts of blocked isocyanate-based crosslinking agent, silicone-based antifoaming agent A foaming agent-containing aqueous resin emulsion consisting of 2 parts and 1 part of carboxymethylcellulose was mixed with a roll coater for 180
g / m ² to form a foam layer by applying the whole surface. Thereafter, an adhesive layer was formed on the foamed layer by applying an ethylene-vinyl acetate copolymer emulsion (same as above) alone with a roll coater so as to be 50 g / m ² . Subsequently, while the adhesive layer is still in a wet state, the fiber sheet layer (40 g /
A fibrous sheet layer was formed on the adhesive layer by wet laminating m ² rayon nonwoven fabric).

Then, after preliminary drying at 120 ° C. for 2 minutes, a heat treatment at 180 ° C. for 45 seconds is performed to induce volume expansion of the foamed layer, and by embossing the unevenness, Obtained the wallpaper of the invention.

The obtained wallpaper had an extremely soft feeling and a three-dimensional appearance rich in luxury.

[0098]

Example 8 100 parts of ethylene-vinyl acetate copolymer pellets were placed on a base sheet (90 g / m ² flame-retardant paper).
A blowing agent-containing synthetic resin compound comprising 80 parts of calcium carbonate, 20 parts of aluminum hydroxide, 2 parts of paraffin wax, 2 parts of aluminum stearate and 4 parts of a chemical blowing agent (azodicarbonamide) is melt-kneaded with a hot roll at 150 ° C. After that, a foam layer was formed by calender coating. Thereafter, when the foamed layer was still in a molten state without being solidified by cooling, a fiber sheet layer was formed by laminating an 80 g / m ² polyester nonwoven fabric.

Subsequently, a volumetric expansion of the foamed layer was induced by performing a heat treatment at 220 ° C. for 45 seconds.
The wallpaper of the present invention was obtained by performing the embossing process.

The obtained wallpaper had an extremely soft feel and a three-dimensional appearance rich in luxury.

[0101]

Example 9 A foam layer was formed on a base sheet in the same manner as in Example 8, except that a foam layer was formed.

Thereafter, the foamed layer was subjected to a heat treatment at 220 ° C. for 45 seconds to induce volume expansion of the foamed layer.
The same polyester nonwoven fabric as in Example 1 was laminated with an embossing roll at the same time as the embossing treatment to form a fiber sheet layer, thereby obtaining a wallpaper of the present invention.

The obtained wallpaper had the same feeling and appearance as in Example 8.

[0104]

Comparative Example 1 A wallpaper was obtained in the same manner as in Example 1 except that the fiber sheet layer was not provided.

The obtained wallpaper was not as good as Example 1 in any of the feeling, the three-dimensionality, and the appearance.

[0106]

Comparative Example 2 The procedure of Example 1 was repeated except that a synthetic resin film (eval (a saponified ethylene-vinyl acetate copolymer) film) was used instead of the fiber sheet layer. Got the wallpaper.

[0107] The obtained wallpaper did not have the goodness as in Example 1 in any of the feeling, the three-dimensionality, and the beauty.

[0108]

COMPARATIVE EXAMPLE 3 Except for providing a non-foamed layer consisting of only 100 parts of an ethylene-vinyl acetate copolymer emulsion (same as in Example 1) in place of the foamed layer in Example 1, all other examples were used. Wallpaper was obtained in the same manner as in 1.

The obtained wallpaper was not as good as in Example 1 in any of the feeling, the three-dimensionality, and the appearance.

The performance evaluations of the above Examples and Comparative Examples are summarized in Table 1 below.

[0111]

[Table 1] From the results in Table 1 above, it is possible to obtain, for the first time, a high-quality wallpaper having excellent characteristics in any of the feeling, the three-dimensionality, and the beauty by laminating the specific layer of the present invention. You can see that.

[0112]

The wallpaper of the present invention has unprecedented excellent properties in any of the feeling, three-dimensionality and aesthetics.

As described above, the wallpaper of the present invention is of high quality, which is not available in conventional products, and thus the use of the wallpaper is expected to be expanded.

Further, the production of the wallpaper of the present invention does not require a specific material or method, and is therefore economically advantageous.

 ──────────────────────────────────────────────────の Continued on the front page F term (reference) 4F055 AA17 BA14 CA18 EA22 EA24 EA26 FA08 FA38 GA32 HA06 4F100 AA08 AA19 AH06 AJ01 AK01B AK15B AK24 AK42 AK68 AK71 AL05B AT00A BA03 BA07 BA10A BA10C CADGB DGC DJ01B EC18 EH13 EJ02 EJ39 EJ64C GB08 HB31 JB05B JJ07 JL06C JL10C JM01B

Claims (16)

[Claims] 1. A high quality wallpaper in which a foam layer and a fiber sheet layer are laminated in this order on a base sheet. 2. A high quality wallpaper obtained by laminating a foam layer, an adhesive layer, and a fiber sheet layer in this order on a base sheet. 3. The method according to claim 1, wherein the foamed layer is formed by applying any one selected from a foaming agent-containing aqueous resin emulsion, a foaming agent-containing vinyl plastisol, and a foaming agent-containing synthetic resin compound. 3. High quality wallpaper according to claim 1 or claim 2. 4. The high quality wallpaper according to claim 1, wherein the foam layer contains a filler together with a foaming agent. 5. The high quality wallpaper according to claim 1, wherein the foaming agent is a foamed capsule and / or a chemical foaming agent. 6. The high-quality wallpaper according to claim 1, wherein the fiber sheet layer is made of any one selected from non-woven fabric, woven fabric, knitted fabric and Japanese paper. 7. The fiber sheet layer surface has been subjected to antifouling processing and / or coloring processing.
Or the high quality wallpaper according to 6. 8. The method for producing high quality wallpaper according to claim 1, wherein said two layers are laminated on a base sheet in the order of a foam layer and a fiber sheet layer, and then heat-treated. 9. The method for producing high quality wallpaper according to claim 2, wherein said three layers are laminated on a base sheet in the order of a foam layer, an adhesive layer and a fiber sheet layer, and then heat-treated. . 10. A heat treatment after laminating a base sheet having a foamed layer formed thereon and a fiber sheet having an adhesive layer formed on the back surface thereof so that the foamed layer and the adhesive layer face each other. 3. The method for producing high quality wallpaper according to claim 2, wherein: 11. The high quality article according to claim 8, wherein after forming a foamed layer on the base sheet, when the foamed layer is still in a wet state or a molten state, the fiber sheet layer is laminated by laminating. Wallpaper manufacturing method. 12. Laminating by laminating a fiber sheet layer on a base sheet after laminating the two layers in the order of a foam layer and then an adhesive layer, and when the adhesive layer is still in a wet state or a molten state. The method for producing high-quality wallpaper according to claim 9, wherein: 13. An embossing process after or simultaneously with the heat treatment.
13. The method for producing a high-quality wallpaper according to 0, 11 or 12. 14. The method according to claim 1, wherein a heat treatment is performed after forming the foamed layer on the base sheet, and then the fiber sheet layer is laminated simultaneously with the embossing before the foamed layer is cooled and solidified. A method for producing a high-quality wallpaper according to item 1. 15. After laminating the two layers on a base sheet in the order of a foam layer and then an adhesive layer, heat treatment is performed, and then, before the foam layer and the adhesive layer are cooled and solidified, simultaneously with the embossing process, The method for producing high quality wallpaper according to claim 2, wherein the fiber sheet layer is laminated. 16. The time at which the antifouling treatment and / or the coloring treatment is performed on the surface of the fiber sheet layer is selected from before, after, or after embossing. The method of claim 8, 9, 10, 11, 12, 13, 14, or 15, which is carried out at that time.
The method for producing the described high quality wallpaper.