JPH0732742Y2 - Anti-slip rug - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to an anti-slip rug such as a tatami mat, a mat, a carpet and a mat having excellent anti-slip properties.

[Prior Art] Various types of rugs are known and used for the following purposes. A rug that can be laid in a room with a wooden floor that is usually used for bare feet so that it can be raised with bare feet or that does not get soiled even if the article is placed directly on the floor. Rugs to prevent
Laying on the floor, hiding dirt and damage on the floor, laying on the floor, rug that gives cushioning to the floor, laying on the floor, rug that prevents cold from under the floor, laying on the wooden floor, There are rugs that transform the Western-style space into a Japanese-style space, rugs that are laid on the floor for accents, and rugs that are laid on the floor to clean bare feet and footwear. Specifically, rugs such as mats, standing tatami mats, carpets, and mats are used on floors made of tatami mats and boards. In particular, recently, since carpets that have been favorably used in houses such as condominiums are likely to become hot floors for mites, floors (wood floors) are becoming more and more popular, and the use of flower arrangements and tatami mats is becoming popular.

However, such tatami mats, mats, carpets, mats, etc. are not usually fixed to the floor, so they are easy to move during use, and if you are not careful, the room may become cluttered or people may fall. There is.

[Problems to be solved by the device]

The inventors of the present invention, as a result of research in view of the present situation, have found that a rug without the above problems can be obtained by providing an anti-slip layer on the back surface of a tatami mat, a mat, a carpet, a mat, etc., and have completed the present invention. It was

[Means for Solving the Problems]

The present invention provides an anti-slip rug formed by laminating at least a rug, a pressure-sensitive adhesive layer or an adhesive layer, a substrate, and an anti-slip layer,
The anti-slip layer is composed of expandable microcapsules, a composition containing an adhesive and an inorganic pigment as main components, and the compounding ratio of the expandable microcapsules is 3 to 5 parts by weight with respect to 100 parts by weight of the adhesive.
Anti-slip rug consisting of 0 parts by weight.

The present invention also discloses an anti-slip rug in which the substrate comprises a nonwoven or foam.

The present invention further discloses an anti-slip rug wherein the substrate comprises at least one support selected from paper and film.

An aspect of the present invention is characterized in that the anti-slip layer is composed of expandable microcapsules, an adhesive and a pigment, and the compounding ratio of the expandable microcapsules is 3 to 50 parts by weight with respect to 100 parts by weight of the adhesive. It is a thing.

[Action]

In the present invention, the rug includes various rugs such as sheet and mat, and examples thereof include tatami mats, mats, carpets and mats.

The rug of the present invention will be described in more detail with reference to the drawings.

FIG. 2 is a cross-sectional view showing an example of a conventionally known anti-slip rug. The anti-slip rug (1) of FIG. 2 is a simple structure in which the anti-slip layer (3) is directly provided on the back surface of the rug (2). 1, 3, and 4 are cross-sectional views showing a slip resistant rug (1) of the present invention. The anti-skid rug (1) of FIG. 1 has a support (4) such as paper or film provided with an anti-slip layer (3) on the back surface of the rug (2) with an adhesive layer (5).
The rug (1) is bonded to the rug according to the present invention, and is superior to the anti-slip rug (1) of FIG. 2 in that it can be easily processed into a rug body and that the anti-slip layer does not penetrate into the rug. The anti-slip rug (1) shown in FIG. 3 is prepared by attaching the support (4) such as paper or film provided with the anti-slip layer (3) to the non-woven fabric or the foam (6) and then applying the rug (2) to the anti-slip rug (2). It is attached to the back surface via an adhesive layer (5), and the cushioning properties of the non-woven fabric or foam (6) are more effective than the anti-slip rug (1) of FIG. It is comfortable to use. In addition, the anti-slip rug (1) shown in FIG. 4 is obtained by further laminating a support (4) such as paper or film provided with an anti-slip layer (3) with a non-woven fabric or a foam (6), and then further non-woven fabric or foam. A support (9) such as another paper or film is attached to the body surface side to form a substrate, and then this laminate is attached to the back surface of the rug (2) via an adhesive layer (5). Therefore, it is the most excellent in terms of workability and comfort in use, as compared with any of FIG. 1 and FIG. Further, as the anti-skid rug of the present invention, there can be mentioned the one shown in FIG. 5 in which an anti-slip layer is partially provided on the back surface of the rug (2).

The anti-slip layer (3) used in the present invention is composed mainly of expandable microcapsules, an adhesive and a pigment, and the mixing ratio of the expandable microcapsules is 3 to 50 parts by weight with respect to 100 parts by weight of the adhesive. Consists of.

The antiskid layer having the above composition will be described below.

The anti-slip layer containing expandable microcapsules is usually formed by applying a coating liquid containing expandable capsules and subsequently performing heat foaming treatment. For example, FIGS. 1 and 3
In the case of the device shown in FIG. 4 and FIG. 4, usually, a coating machine or a printing machine is used to smear the capsule-containing coating liquid on a support such as paper or film, and then heat treatment is performed to form a slip-resistant sheet. Then, in the case of the device of FIG. 1, the slip-resistant sheet is directly attached to the rug, and in the case of FIG. 3, the slip-resistant sheet is attached to a non-woven fabric or foam and then the rug (2 )
In the case of FIG. 4, a non-woven fabric or a foam (6) and a support (9) (paper or film) are sequentially attached to the anti-slip sheet, and then attached to the rug (2). can get. In the case of the device of FIG. 3 or 4, the anti-slip layer may be formed after forming the base body in which the support and the non-woven fabric or the foam are laminated, and in the case of the device of FIG. Alternatively, the anti-slip layer may be formed after the support and the non-woven fabric or the foam and the support are bonded together.

In the case of the device of FIGS. 1, 3, 4, and 5, the pressure-sensitive adhesive layer (7) is used as the adhesive layer (5) in order to facilitate the work of attaching the anti-slip sheet to the rug. It is preferable to use the sheets shown in FIGS. 6 and 7 configured by using the sheet. This anti-slip sheet is attached to the rug (2) after removing the release paper (8) to obtain the rug shown in FIG. 3 or FIG. 4, respectively. Formation of the pressure-sensitive adhesive layer (7) at that time is
A method in which the release paper (8) is directly applied to a support, a non-woven fabric, a foam or the like, or an adhesive layer (7) is applied to the release paper (8) and then attached to a support, a non-woven fabric or a foam. It can be done in any of the following ways. in this way,
The order of processing in the present invention is appropriately selected in consideration of physical properties such as heat resistance of materials used, workability, and workability.

When a pressure-sensitive adhesive is used as the adhesive, for example, a rubber-based, acrylic-based, polyether-based, ethylene-vinyl acetate-based pressure-sensitive adhesive is used. Further, the release paper (8) used together is not particularly limited, and those known in the art can be used.

Incidentally, the adhesive or pressure-sensitive adhesive is usually 5 to 10 by dry weight.
It is applied in the range of 0 g / cm ² .

The effervescent microcapsule-containing coating liquid is prepared by using effervescent microcapsules and an adhesive for fixing the microcapsules as a base material in a specific ratio and further adding a pigment as a basic component.

The expandable microcapsule used in the present invention is a microcapsule having a property that the particle size increases by heating, and specifically, it has a low boiling point such as n-butane, i-butane, pentane or neopentane as a core substance. Microcarbons containing the above hydrocarbons and using a thermoplastic resin containing vinylidene chloride, acrylonitrile, (meth) acrylic acid ester such as methylmethacrylate, or aromatic vinyl compound such as styrene as the main component as the wall film agent of the capsule. Capsules (as commercially available capsules, Matsumoto Microspheres F-30, F-50, F-80 (Matsumoto Yushi), Expancel WU-642, WU-551, WU-461 (Nippon Philite)
Can be exemplified) and the like.

As the adhesive in the anti-slip layer, a water-soluble binder or a latex binder is used when applied as an aqueous system, and an oil-soluble binder is used when applied as a non-aqueous system. Further, in the case of curing with electron beams or ultraviolet rays, a monomer, oligomer or prepolymer having an ethylenically unsaturated bond is used.

Examples of the water-soluble binder include water-soluble natural substances such as gelatin, albumin, casein, grain starch, pregelatinized starch, oxidized starch, etherified starch, esterified starch, carboxymethyl cellulose, hydroxyethyl cellulose, agar, sodium alginate, and gum arabic. Semi-synthetic polymer compounds, polyvinyl alcohol, modified polyvinyl alcohol, polyvinylpyrrolidone, polyacrylic acid, polyacrylamide, ethylene / maleic anhydride copolymer, styrene / maleic anhydride copolymer, methyl vinyl ether / maleic anhydride copolymer , And water-soluble synthetic polymer compounds such as isobutylene / maleic anhydride copolymer.

Examples of the latex binder include styrene / butadiene latex, acrylonitrile / butadiene latex, acrylic ester latex, vinyl acetate latex, vinylidene chloride latex, methyl methacrylate / butadiene latex and carboxy-modified (for example, acrylic acid) latex thereof. Can be mentioned.

As the oil-soluble binder, for example, rosin, copearl,
Dalman, Gilsonite, natural resin such as zein, cured rosin, dimerized rosin, polymerized rosin, maleic acid resin, fumaric acid resin, methyl cellulose, ethyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, ethyl hydroxyethyl cellulose, cellulose acetate propionate, cellulose Semi-synthetic resin such as acetate butyrate and nitrocellulose, phenol resin, xylene resin, urea resin, melamine resin, ketone resin, coumarone indene resin, petroleum resin, terpene resin, cyclized rubber, chlorinated rubber, alkyd resin, polyamide resin , Acrylic resin, polyvinyl chloride, polyvinyl acetate,
Examples thereof include vinyl chloride / vinyl acetate copolymer, chlorinated polypropylene styrene resin, epoxy resin, polyurethane resin, polyvinyl butyral and the like.

Monomers, oligomers, and prepolymers having an ethylenically unsaturated bond that cure with electron beams or ultraviolet rays include
For example, styrene, methyl methacrylate, butyl methacrylate, polyethylene glycol diacrylate, propylene glycol diacrylate, pentaerythritol acrylate, trimethylolpropane diacrylate, pentaerythritol tetraacrylate, hexanediol diacrylate, 1,2-butanediol diacrylate, epoxy resin With acrylic acid,
Examples thereof include condensates of maleic acid, acrylic acid and diethylene glycol.

Among them, the most preferable adhesive is one having a glass transition temperature of 40 ° C. or less, which easily exhibits high slip resistance.

The expandable microcapsules and the adhesive are usually 3 to 50 parts by weight of the expandable microcapsule per 100 parts by weight of the adhesive,
The amount is preferably 5 to 30 parts by weight.

As the medium used for the non-aqueous coating liquid, for example, benzene, toluene, xylene, hexane, cyclohexane,
Trichlorethylene, methyl ethyl ketone, methyl isobutyl ketone, methyl acetate, ethyl acetate, butyl acetate,
Methyl cellosolve, ethyl cellosolve, butyl cellosolve, methanol, ethanol, n-propyl alcohol, isopropyl alcohol, n-butanol, n-hexanol, cyclohexanol, diethylene glycol and the like can be mentioned.

When using a monomer, an oligomer, or a prepolymer having an ethylenically unsaturated bond that cures with ultraviolet light as an adhesive and curing with ultraviolet light, a photopolymerization initiator in the coating liquid,
Further, a sensitizer is added if necessary.

Examples of the photopolymerization initiator include benzoquinone, phenanthrenequinone, naphthoquinone, diisopropylphenanthrenequinone, benzoin butyl ether, benzoin, furoin butyl ether, Michler's ketone, Michler's thioketone, fluorenone and trinitrofluorenone.

The content of the photopolymerization initiator is usually an ethylenically unsaturated compound.
It is in the range of 0.1 to 10 parts by weight with respect to 100 parts by weight.

Examples of the sensitizer include triethanolamine, N-methyldiethanolamine, N, N-dimethylethanolamine, N-methylmorpholine and the like.

The form of the foamable microcapsule-containing coating liquid is silica, calcium carbonate, in addition to the foamable microcapsules and the adhesive.
Aluminum hydroxide, clay, kaolin, titanium oxide,
An inorganic pigment such as zinc oxide is added to the coating liquid. The inorganic pigment is added to prevent blocking, and usually 5 to 150 parts by weight, more preferably 10 to 80 parts by weight, is added to 100 parts by weight of the adhesive. Also,
If necessary, the coating liquid may further include a release agent such as polyethylene wax, micro-adhesive particles used for adhesive paper for re-release, surfactant, dispersant, antistatic agent, defoaming agent, coloring agent, fluorescent agent. A dye or the like can be added as appropriate.

As the coating machine used, an air knife coater, a bar coater, a roll coater, a gravure coater, etc. are used, and as a printing machine, a gravure, screen,
Flexo or the like is used.

When the expandable capsule layer is used as the anti-slip layer in the present invention, the anti-slip layer is provided so as to have a dry weight of 3 to 500 g / m ² , more preferably 12 to 70 g / m ² . By the way, if the weight is too small, sufficient slip resistance cannot be obtained. If it is less than 12 g / m ² , the anti-slip property is greatly deteriorated due to repeated friction, so that it may be a problem when used for a long period of time. On the other hand, if the coating amount is too large, there is no problem in terms of slip resistance and abrasion resistance, but it is not preferable in terms of economy.

Foaming of the capsules is usually performed using a heating device such as a hot-air drying zone of a coating machine, an infrared irradiation device, and a heating super calender at about 80 to 300 ° C.

Examples of the paper used as the support in the present invention include high-quality paper, kraft paper, art paper, coated paper, lightly coated paper, synthetic paper, and the like having a thickness of about 10 to 500 μm. Among them, colored kraft paper mixed with knot meal, bark, binding fibers and the like is preferable in terms of decorativeness.

As the film, for example, polyethylene, polypropylene, polyvinyl chloride, polyvinylidene chloride, ethylene
A film made of a material such as a vinyl acetate copolymer, polyester, polyamide, or polystyrene and having a thickness of about 5 to 500 μm can be used.

When the adhesion between the film and the anti-slip layer is insufficient, the film is preliminarily treated with a primer such as a silane coupling agent or polyethyleneimine.

As a support for paper or film provided with an anti-slip layer, high-quality colored paper, colored kraft paper, colored film and the like, which are colored with a color having low lightness such as gray, are preferably used because stains are not noticeable.

Examples of the non-woven fabric include those made of polyethylene, polypropylene, polyester, polyamide, glass fiber, carbon fiber, cellulose fiber and the like by a wet method, a dry method or a direct method and having a thickness of 5 μm to 50 mm. Above all, in order to obtain an anti-slip rug that is comfortable to climb and sit on, it must be 70 μm or more, and in terms of workability.
It is preferably 10 mm or less.

Examples of the foam sheet include those obtained by subjecting polyethylene, polypropylene, polystyrene, polyvinyl chloride or the like to a material which has been subjected to foaming treatment by a method such as electron beam foaming or chemical foaming. The thickness of the foam sheet is, for example, about 50 μm to 50 mm. Above all, from the standpoint of comfort and handling, it is preferably about 0.1 to 4 mm. Examples of such a foam sheet include Literon (made by Sekisui Chemical Co., Ltd., polyethylene foam sheet) and Mirror Mat (made by Nippon Styrene Paper, polyethylene foam sheet).

In the present invention, a method such as a wet laminating method, a dry laminating method, a hot melt laminating method, an extrusion laminating method or the like is used for laminating the support such as paper or film and the non-woven fabric or the foam.

In the present invention, the adhesive used for joining the anti-slip sheet to a mat such as a tatami mat or a mat is a water-soluble binder, a latex binder, or an oil-soluble binder as mentioned above in the preparation of the anti-slip layer coating solution containing a capsule. , Monomers having an ethylenically unsaturated bond, oligomers, and prepolymers.

The anti-slip sheet used in the present invention may contain an insecticide such as an acaricide, a mildew-proofing agent, or an aromatic agent such as the smell of strawberries, if necessary.

[Examples] The present invention will be described below with reference to examples, but the present invention is not limited to the examples. Unless otherwise specified, "part" and "%" in the examples mean "part by weight" and "% by weight", respectively.

Example 1 A coating liquid having the following composition was prepared as a coating liquid containing expandable microcapsules, and it was coated on a gray colored kraft paper (70 g / m ² ) with a bar coater so that the dry weight was 20 g / m ^2, and It was heated at ℃ for 20 seconds to obtain an anti-slip sheet.

Then release paper (74g / polyethylene laminated on paper /
m ² of those coated with a silicone sheet) polyacrylate ester-based adhesive (trade name: Oribain BPS-494
0, manufactured by Toyo Ink Co., Ltd.) was applied by a roll coater to a dry weight of 30 g / m ² and then laminated with the above-mentioned slip-resistant sheet to obtain a slip-resistant tack sheet.

Next, after removing the release paper from the tack sheet, the tack sheet was attached to a flower slug to obtain a slip-resistant flower slug. Composition of anti-slip layer coating liquid (parts represent solid content equivalents) Expandable microcapsules (trade name: EXPANCEL WU-
642, manufactured by Expancel Co., vinylidene chloride / acrylonitrile copolymer having isobutane contained in the wall) 10 parts Ethylene-vinyl acetate latex (trade name: Sumikaflex 753, Sumitomo Chemical Co., Ltd., glass transition temperature-15) 70 ° C.) 70 parts Aluminum hydroxide (trade name; Hydilite H-42, manufactured by Showa Denko KK) 20 parts The obtained flower garland hardly slipped even when used on a wooden floor.

Example 2 An anti-slip sheet obtained in the same manner as in Example 1 and a non-woven fabric (dry process non-woven fabric using polyester, manufactured by Kuraray Co., Ltd.) were 20 μm in thickness.
Of polyethylene film was bonded as an adhesive layer.

Then release paper (74g / polyethylene laminated on paper /
m ² of those coated with a silicone sheet) polyacrylate ester-based adhesive (trade name: Oribain BPS-494
0, manufactured by Toyo Ink Co., Ltd.) was applied by a roll coater to a dry weight of 30 g / m ² and then laminated with the above sheet to obtain a slip-resistant tack sheet.

Next, after removing the release paper of the tack sheet, the tack sheet was attached to a flower slug to obtain a slip-resistant flower slug.

Even if the obtained flower buds were laid on a wooden floor and used, they hardly slipped. Further, the cushioning property was superior to that of Example 1, and the sitting comfort was extremely good.

Example 3 In Example 2, instead of the non-woven fabric, a foam polyethylene sheet (trade name: Literon, manufactured by Sekisui Chemical Co., Ltd., thickness: 1 m)
An anti-slip tack sheet was obtained in the same manner except that m) was used.

Next, after removing the release paper from the tack sheet, the tack sheet was attached to a tatami mat to obtain a slip resistant tatami mat.

The obtained tatami mat did not slip even when laid on a wooden floor and used.

〔effect〕

The anti-slip rug of the present invention hardly slips even when used on a wooden floor.

[Brief description of drawings]

FIGS. 1, 3, 4, and 5 are sectional views showing an embodiment of the present invention, and FIGS. 6 and 7 are sectional views showing an anti-slip sheet before being attached to a rug. It is a figure. FIG. 2 is a sectional view showing a conventional anti-slip rug. (1) …… Anti-slip rug (2) …… (3) …… Anti-slip layer (4) …… Support such as paper or film (5) …… Adhesive layer (6) …… Nonwoven fabric or foam (7) …… Adhesive layer (8) …… Release paper (9) …… Support such as paper or film

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁶ Identification code Internal reference number FI Technical display location E04F 15/02 102 J 7416-2E 15/16 H 7416-2E (72) Inventor Shunsuke Shioi Hyogo Prefecture Amamisaki City Jōko-ji 4-3-1 Kanzaki Paper Co., Ltd. Kanzaki Mill (72) Inventor Aizo Hayashi 1-1739 Umeda Kita-ku, Osaka City, Osaka Prefecture Kuraray Co., Ltd. (56) References 63-95576 (JP, U) Actual opening Sho-58-39175 (JP, U) Actual opening 60-130784 (JP, U)

Claims (2)

[Scope of utility model registration request] 1. An anti-slip rug obtained by laminating at least a rug, a pressure-sensitive adhesive layer or an adhesive layer, a substrate, and an anti-slip layer,
An anti-slip rug wherein the anti-slip layer is made of a composition containing expandable microcapsules, an adhesive and a pigment as main components, and the compounding ratio of the expandable microcapsules is 3 to 50 parts by weight based on 100 parts by weight of the adhesive. . 2. The anti-slip rug according to claim 1, wherein the adhesive contained in the anti-slip layer is an adhesive having a glass transition temperature of 40 ° C. or lower.