JP2011026763A - Non-slip mat - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an environmentally friendly non-slip mat made of olefin-based resin, excelling in workability, hardly stained, and generating little toxic gas when burnt in regard to the non-slip mat laid on a platform of a station or a doorway section of a building. <P>SOLUTION: The environmentally friendly non-slip mat excelling in workability is obtained by continuously and ruggedly embossing the surface of a surface resin layer 2 containing an olefin-based resin composition as a main component, laminating a print layer 4 on the lower face side of the surface resin layer through a primer layer 3, and laminating a soft foam 6 on the lower face side of the print layer through an adhesive layer 5. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

The present invention relates to a non-slip mat used on a platform of a station or an entrance / exit of a building.

Conventionally, many non-slip mats made of vinyl chloride resin or vulcanized rubber having a concavo-convex shape on the surface have been adopted at the platform of a station or the entrance / exit of a building. These are considered to be floor materials that exhibit a certain anti-slip performance and are easy to process and economical. Most of them are made of vinyl chloride resin. The reason for using vinyl chloride resin is excellent surface strength and wear resistance, and the sheet made of vinyl chloride resin is excellent in workability on the floor. It depends.

However, since flooring made of vinyl chloride resin generates toxic gases such as hydrogen chloride along with a large amount of smoke in the event of a fire, the refugees caught in the fire inhale these toxic gases, and human lives are at risk. In case of incineration at the time of disposal, or incineration at the time of disposal, not only will the incineration facility be seriously damaged due to its strong oxidizing action, but also the inadequate incineration process will generate harmful dioxins and the environment There was a problem of causing contamination.

Therefore, in recent years, instead of PVC materials, floors made of olefin resins such as ethylene-vinyl acetate copolymer, polypropylene resin, polyethylene resin, ethylene-vinyl alcohol copolymer resin, and polyester resin, which generate little toxic gas during combustion. Along with the effect that the material is hard to get dirty, it has been used a lot. However, the floor materials formed of these materials are too rigid and have poor followability to the floor of a station platform or a building entrance / exit where a lot of unevenness is seen, resulting in poor workability.

In addition, a non-slip mat made of vulcanized rubber will exhibit certain performance as a non-slip material, but its resilience is too great, and it is not well-suited to the floor surface and is poor in workability. Therefore, reprocessing is difficult and incineration is inferior, so that there is a problem in terms of environmental hygiene.

In Patent Document 1, it is attached to the surface of a walking road as a dotted or linear tile made of vinyl chloride or synthetic rubber, and formed so as to prevent slippage of the surface by forming a cross-shaped or linear small groove. Paved materials have been proposed. However, vinyl chloride has a problem in safety and the influence on the environment, and a walking floor such as a walking road surface is not a perfect plane, and has unevenness to some extent. Therefore, synthetic rubber having a large impact resilience has poor followability to the floor surface and is inferior in durability such as workability and turning.

In Patent Documents 2 and 3, the thermoplastic resin sheet is colored and fine irregularities are formed on the surface, and are attached to walking paths such as stairs steps, station platforms, building passageways, sidewalks, etc. In particular, a walking path sign sheet has been proposed that can ensure safe walking even for visually impaired persons. However, the thermoplastic resin sheet is too rigid and has poor followability to the floor surface of a station platform or the like where a lot of unevenness is seen, resulting in poor workability. Therefore, as in the present invention, an anti-slip mat made of an olefin resin excellent in workability in consideration of safety and environment has not been proposed yet.
Utility Model Registration No. 3089370 Japanese Patent Application Laid-Open No. 2004-137872 JP 2005-248606 A

The present invention has been made in view of such a technical background, and in a non-slip mat laid on a platform of a station or an entrance / exit of a building, the present invention is excellent in workability, hardly contaminated, and generates toxic gas during combustion. An object of the present invention is to provide an anti-slip mat made of an olein-based resin which is small and environmentally friendly.

In order to achieve the above object, the present invention provides the following means.

[1] In a non-slip mat having a surface resin layer containing an olefin resin composition as a main component, uneven embossing is applied to the surface of the surface resin layer, and an adhesive layer is provided on the lower surface side of the surface resin layer. A flexible foam is laminated, the tensile modulus of the surface resin layer is 100 to 500 MPa, and the tear strength in all layers of the anti-slip mat after the lamination of the flexible foam is 50 N / mm or more. And non-slip mat.

[2] In a non-slip mat having a surface resin layer mainly composed of an olefin-based resin composition, the surface of the surface resin layer is embossed, and printing is performed on the lower surface side of the surface resin layer via a primer layer. Layer, and further, a soft foam is laminated on the lower surface side of the printed layer via an adhesive layer, and the tensile elastic modulus of the surface resin layer is 100 to 500 MPa, and the soft foam is laminated. 2. The anti-slip mat according to item 1 above, wherein the tear strength of all layers of the anti-slip mat is 50 N / mm or more.

[3] The slip according to item 1 or 2, wherein the surface resin layer is made of an olefin-based resin composition, and the difference in thickness of the unevenness of the surface resin layer is 0.1 to 1.0 mm. Stop mat.

[4] The anti-slip device according to any one of claims 1 to 3, wherein the flexible foamed foam has a thickness of 0.4 mm to 1.5 mm and a foaming ratio of 2 to 10 times. mat.

[5] The primer layer according to any one of claims 2 to 4, wherein the primer layer is made of a modified olefin resin and has a thickness of 5 to 15 µm, and the printing layer has a thickness of 10 to 50 µm. Non-slip mat.

[6] The anti-slip mat according to any one of items 2 to 5 above, wherein the anti-slip mat has a surface resin layer having a haze value of 1 to 50% and is transparent to the extent that the printed layer can be seen. .

The invention [1] has the following effects. (A) Since the surface resin layer constituting the non-slip mat is mainly composed of the olefin resin composition, it is safe because it is difficult to get dirty and does not generate harmful gases during combustion. (B) Since the tensile modulus of the surface resin layer is 100 to 500 MPa, the occurrence of phenomena such as swelling and turning-up is prevented by lowering the thermal stress of the surface resin layer and ensuring dimensional stability against temperature changes. It can be a non-slip mat. C) Since the surface of the surface resin layer is embossed with unevenness, the slip resistance value becomes large and slippage is difficult. D. Since the soft foam foam is laminated on the lower surface side of the surface resin layer via an adhesive layer, even when the floor surface is uneven, it absorbs the unevenness of the floor surface, It is a non-slip mat with good followability and excellent workability. (E) Since the tear strength in all layers of the anti-slip mat after laminating the flexible foamed foam is 50 N / mm or more, there is no problem that the anti-slip mat is torn or torn due to frequent walking.

In the invention of [2], in addition to the effect of the invention of [1], since the printing layer is laminated, lines, characters, figures, symbols, etc. can be displayed, and further, a primer is provided on the lower surface side of the surface resin layer. Since the printing layers are laminated through the layers, printed characters and figures are not faded due to surface friction or the like, and the anti-slip mat is obtained in which the printing layers are fixed with a strong adhesive force.

In the invention of [3], since the difference in thickness of the unevenness of the uneven shape is set to 0.1 to 1.0 mm, the slip resistance value becomes large and it becomes difficult to slip.

In the invention of [4], since the expansion ratio of the laminated flexible foamed foam is 2 to 10 times, the station platform can be obtained by pressing from above with appropriate means such as a roller at the time of installation. It can absorb the unevenness on the floor surface of the entrance and exit of the building, and can be installed in close contact without the uneven surface of the floor rising on the surface of the non-slip mat, with good adhesion It becomes a non-slip mat that is difficult to peel off. Moreover, since it is the said flexible foaming foam whose thickness is 0.4 mm-1.5 mm, it does not become the hindrance of walking which is too thick and crawls.

In the invention of [5], since the primer layer is made of a modified olefin resin and has a thickness of 5 to 15 μm, the printed layer can be firmly bonded while maintaining the flexibility of the surface resin layer. . Further, since the pattern is drawn with the ultraviolet curable ink by the ink jet printer, the ink drying process is not required, and the ink does not bleed and a delicate pattern can be drawn. Moreover, since the thickness of the said printing layer is 10-50 micrometers, it can be set as a flexible non-slip | skid mat.

In the invention of [6], the anti-slip mat has a haze value of 1 to 50%, and a printing layer is laminated on the lower surface side of the surface resin layer via a primer layer. When this is done, it is transparent to the extent that the printed layer is visible, and the design of the printed layer can be expressed as it is. Further, since the transparency is such that a person can recognize the presence of the anti-slip mat, it is possible to prevent the risk of unexpectedly taking a foot on the mat having a high slip resistance value.

Hereinafter, it will be described in more detail with reference to the drawings. FIG. 1 is a schematic cross-sectional view of an anti-slip mat (1) showing an embodiment of the present invention. (2) is a surface resin layer, (3) is a primer layer, (4) is a printing layer, (5 ) Is a pressure-sensitive adhesive layer, and (6) is a soft foamed foam. The anti-slip mat of the present invention is made of an olefin-based resin composition, and the surface resin layer surface is provided with uneven embossing to form an anti-slip mat (1) having a slip resistance value of a certain level or more.

The slip resistance value is JIS A 1454 C.I. S. An R value (Coefficient of Slip Resistance) of 0.5 or more was considered acceptable. When the unevenness difference is less than 0.1 mm, a sufficient slip resistance value cannot be obtained. On the other hand, if the unevenness difference exceeds 1.0 mm, the thickness of the recesses becomes thin, so that the strength as a non-slip mat is insufficient, which is not preferable.

The surface resin layer (2) in the present invention is composed of an olefin resin composition, and examples of the olefin resin include polypropylene resin, polyethylene resin, polybutene resin, ethylene vinyl acetate copolymer, ethylene methyl acrylate, and polystyrene resin. Among them, those having a polypropylene resin as a main component are preferred because they are resistant to contamination and have good workability. In particular, the polypropylene resin is preferably 50 to 80% by weight. When the amount is less than 50% by weight, problems occur in contamination and wear resistance. If it exceeds 80% by weight, the non-slip mat becomes hard and difficult to construct. More preferably, 60 to 75% by weight is good.

Moreover, in order to give a softness | flexibility and to make a non-slip | slip mat (1) with sufficient workability to the said olefin resin composition, 20-50 weight% of olefin type thermoplastic elastomer type compatibilizing resins are added. Is preferred. . More preferably, it is 25 to 40% by weight. Examples of the olefin-based thermoplastic elastomer-based compatibilizing resin include an ethylene / propylene copolymer resin that is finely dispersed in a polypropylene resin.

Moreover, in order to improve processability, you may add petroleum resin-type low molecular weight range resin, a thermoplastic oligomer, and a natural resin to 0 to 10 weight%. Petroleum resin-based low molecular weight region as the resin C ₅ petroleum resins, examples of the natural resin can be exemplified terpene resin.

In addition, other colorants such as pigments and dyes, and agents such as antistatic agents, flame retardants, antioxidants, ultraviolet absorbers, and light stabilizers can be added within a range that does not impair the effects of the present invention.

By forming the surface resin layer (2) in the present invention from an olefin resin composition, the surface resin layer can have a tensile elastic modulus of 100 to 500 MPa. If it is the tensile elasticity modulus of this range, it can be set as the non-slip mat | matte (1) which has outstanding abrasion resistance and is hard to be damaged. In addition, by reducing the thermal stress of the surface resin layer (2) and ensuring the dimensional stability against the temperature change after the construction, the anti-slip mat (1) in which the occurrence of phenomena such as swelling and turning is prevented can be obtained. it can. If the tensile modulus of the surface resin layer (2) is less than 100 MPa, damage or damage due to wear is likely to occur, and the amount of dent on the surface due to walking increases. It becomes. Moreover, when it exceeds 500 MPa, it will become hard and it will become difficult to construct. Moreover, since the thermal stress which becomes the factor of the swelling after construction becomes large, it is not preferable.

The shape of the uneven embossing applied to the surface of the surface resin layer (2) in the present invention is not particularly limited, but it is necessary to make the shape capable of forming a difference in uneven thickness of 0.1 to 1.0 mm.

As the unevenness thickness difference is smaller, the user does not feel uncomfortable during walking. However, if the unevenness thickness difference is less than 0.1 mm, the unevenness difference is almost eliminated and the slip resistance cannot be increased. If the structure exceeds 1.0 mm and the sliding resistance value is increased, it will not be preferable because it will be caught during walking and will hinder the walking movement of people who pass by.

In the anti-slip mat (1) in which the printing layer (4) is laminated in the second invention, it is particularly preferable that the surface resin layer (2) of the present invention has a haze value of 1 to 50%. There is an effect of making it transparent so that the pattern of the printed layer (4) can be seen well. Also, if it is too transparent, it may be dangerous because humans cannot identify the anti-slip mat. A more preferable haze value is 2 to 30%.

As a primer layer (3) in this invention, it is preferable to apply | coat 5-15 g / m < ² > (at the time of drying) modified olefin resin, and let it be a layer of thickness 5-15 micrometers. Examples of the modified olefin resin include maleic anhydride-modified polypropylene resin, maleic anhydride-modified polyethylene resin, chlorinated modified polypropylene resin, and chlorinated modified polyethylene resin. If the thickness is less than 5 μm, the adhesive strength is insufficient, and if it exceeds 15 μm, the economical efficiency is deteriorated, and the non-slip mat (1) becomes hard and the application work becomes difficult.

The printing layer (4) in the present invention is formed by printing on the primer layer (3). As a printing method, for example, it can be formed by drawing a pattern with ultraviolet curable ink using an inkjet printer. As the ultraviolet curable ink, a cationic ultraviolet curable ink is suitable. In addition, any pattern may be drawn, but for example, if it is a non-slip mat used on a station platform, characters such as priority seats or women-only cars will be used to alert passengers. It does not matter.

The pressure-sensitive adhesive layer (5) in the present invention has a function of laminating the surface resin layer (2) and the flexible foamed foam (6). As a pressure-sensitive adhesive used for the pressure-sensitive adhesive layer, a pressure-sensitive adhesive usually used is used. Examples thereof include acrylic pressure-sensitive adhesives and natural rubber latex pressure-sensitive adhesives. A preferable example is an acrylic pressure-sensitive adhesive, which has strong adhesive force and strong cohesive force, and is preferable without stickiness. The application amount of the pressure-sensitive adhesive is preferably 50 to 300 g / m ² (when dried). As a laminating method, it can be easily laminated with the surface resin layer (2) by coating on one side or both sides of the flexible foamed foam (6) in advance.

Examples of the flexible foam (6) in the present invention include polyethylene foam and urethane foam, but polyethylene foam is preferred, and the material is unified with olefin, and toxic gas is generated during combustion. This is a non-slip mat (1) that does not cause environmental pollution.

The thickness of the flexible foam is preferably 0.4 mm to 1.5 mm. If it is thinner than that, the absorption of unevenness of the floor surface is insufficient, and it becomes difficult to keep the surface of the anti-slip mat (1) flat. On the other hand, if it is thicker than that, the flexible foam may be excessively displaced during walking after construction. In addition, there is a problem that hinders people who can walk by walking.

The expansion ratio of the flexible foam (6) is preferably 2 to 10 times. When the expansion ratio is less than 2, due to the strong repulsive force, the uneven absorption of the floor surface becomes insufficient, and the workability is remarkably lowered. Moreover, the attenuation characteristic with respect to the impact at the time of the walk after construction falls, it feels rebounding at the time of walking, and becomes a hindrance to comfortable walking. Further, the uneven surface of the floor surface is raised as it is on the surface of the non-slip mat, and the anti-slip mat (1) having a good appearance cannot be obtained. Furthermore, when the expansion ratio exceeds 10, the feeling of stepping becomes unstable during walking and the foam may be damaged.

The non-slip mat (1) of the present invention can be manufactured, for example, as follows. Using the olefin resin composition, a sheet to be the surface resin layer (2) is prepared with a calendering machine or a laminating machine, and the sheet is heated to a glass transition point or higher with a preheating roll and a heating roll, and an embossing roll (metal ) And a pressing roll (made of rubber) to pass through the concave and convex shape.

A modified olefin resin is applied as a primer layer (3) on the lower surface side of the surface resin layer (2) thus provided with unevenness, and printing is performed on the primer layer (3). As a printing method, for example, a print layer (4) is created by drawing a pattern with ultraviolet curable ink using an inkjet printer. The ink drying process is unnecessary, and there is no ink bleeding and a delicate pattern can be drawn. Furthermore, a non-slip mat with excellent workability and less generation of toxic gas during combustion by bonding a soft foam foam (6) coated with an adhesive on one or both sides to the lower surface side of the printed layer (4) can do.

Moreover, the method of sticking the non-slip mat (1) of the present invention to the flooring material may be applied with an adhesive on the flooring material, and the anti-slip mat (1) may be pasted, or the soft foam foam (6) in advance. The adhesive layer may be coated on both sides, the one side may be laminated with the surface resin layer (2), the other side may be affixed with release paper, and the release paper may be peeled off at the time of construction and attached to the flooring. Moreover, as an adhesive, the acrylic adhesive with strong adhesive force similar to the adhesive used for lamination | stacking with a surface resin layer (2) is preferable. Furthermore, the peel strength when the non-slip mat (1) of the present invention is adhered to a flooring is preferably 25 N / 25 mm or more.

Next, specific examples of the present invention will be described. In addition, the sliding resistance value and the haze value were measured based on the following measuring methods. <Measurement Method of Haze Value> The haze value was measured according to JIS K7105. <Measurement Method of Slip Resistance Value> Using a slip tester (O-Y.PSM), C.I. S. R (value slip resistance value) was calculated.

<Example 1> Polypropylene resin 59.8% by weight, SEBS (styrene / ethylene / butylene / styrene copolymer) resin 35% by weight (olefin-based thermoplastic elastomer-based compatibilizing resin), terpene resin (natural resin-based resin) Immediately after mixing 5% by weight of resin (low molecular weight range resin), heat-melting and forming a 0.7 mm thick sheet with a calender machine, the sheet is passed between an embossing roll and a pressure roll, which has an uneven shape. A sheet having a thickness difference of 0.3 mm and a tensile modulus of 332 MPa was obtained. Next, in another process, a pressure-sensitive adhesive was applied to both sides, and a flexible foamed foam having a thickness of 0.7 mm was laminated with a release paper on one side. The tear strength in all layers after lamination was 70 N / mm. The sheet with release paper thus produced was cut into a mat shape to produce a non-slip mat. The anti-slip mat had a haze value of 5% and a slip resistance value of 1.059. Further, the peel strength was 30 N / 25 mm and the workability was good.

<Example 2> On a sheet passed between an embossing roll and a pressure roll, in another step, 10 g / m ² (during drying) of a polypropylene resin modified with maleic anhydride as a primer layer was applied to the sheet and dried. Then, a non-slip mat was obtained in the same manner as in Example 1 except that the characters “stop position” were printed by an inkjet printer. The tear strength in all layers after lamination was 80 N / mm. The anti-slip mat had a haze value of 5% and a slip resistance value of 1.071. Further, the peel strength was 34 N / 25 mm and the workability was good.

<Example 3> An anti-slip mat was obtained in the same manner as in Example 1 except that the thickness of the flexible foamed foam was 0.5 mm. The tear strength in all layers after lamination was 76 N / mm. The anti-slip mat had a haze value of 5% and a slip resistance value of 1.072. Further, the peel strength was 36 N / 25 mm and the workability was good.

<Example 3> An anti-slip mat was obtained in the same manner as in Example 1 except that the thickness of the flexible foamed foam was 1.0 mm. The tear strength in all layers after lamination was 84 N / mm. The anti-slip mat had a haze value of 4% and a slip resistance value of 1.051. Further, the peel strength was 32 N / 25 mm and the workability was good.

<Comparative Example 1> An anti-slip mat was obtained in the same manner as in Example 1 except that the flexible foam was omitted. The anti-slip mat had a haze value of 5% and a slip resistance value of 1.056. Moreover, peeling strength was 12 N / 25mm, adhesiveness was bad, and workability was bad.

<Comparative Example 2> An anti-slip mat was obtained in the same manner as in Example 1 except that the thickness of the flexible foam was changed to 0.2 mm. The tear strength in all layers after lamination was 68 N / mm. The anti-slip mat had a haze value of 5% and a slip resistance value of 1.079. However, breakage occurred in the flexible foamed foam, the peel strength was 10 N / 25 mm, the adhesiveness was poor and the construction was difficult, and the workability was insufficient.

<Comparative Example 3> An anti-slip mat was obtained in the same manner as in Example 1 except that the thickness of the flexible foamed foam was 2.0 mm. The tear strength in all layers after lamination was 86 N / mm. The anti-slip mat had a haze value of 5% and a slip resistance value of 1.062. However, the peel strength was 16 N / 25 mm and the adhesion was poor and the workability was insufficient without adapting to the floor surface.

1 is a schematic cross-sectional view showing an anti-slip mat showing an embodiment of the present invention.

1 Non-slip mat 2 Surface resin layer 3 Primer layer 4 Printing layer 5 Adhesive layer 6 Flexible foam

Claims (6)

An anti-slip mat having a surface resin layer mainly composed of an olefin-based resin composition, wherein a surface of the surface resin layer is embossed, and a soft foam foam is provided on the lower surface side of the surface resin layer via an adhesive layer. The slip modulus is characterized in that the surface resin layer has a tensile modulus of 100 to 500 MPa, and the tear strength in all layers of the anti-slip mat after lamination of the soft foam foam is 50 N / mm or more. Stop mat. In the anti-slip mat having a surface resin layer mainly composed of an olefin resin composition, the surface of the surface resin layer is embossed with unevenness, and a printing layer is laminated on the lower surface side of the surface resin layer via a primer layer. Furthermore, the foamed foam is laminated on the lower surface side of the printed layer via an adhesive layer, and the tensile elastic modulus of the surface resin layer is 100 to 500 MPa, and the anti-slip after laminating the flexible foamed foam The anti-slip mat according to claim 1, wherein the tear strength in all layers of the mat is 50 N / mm or more. The anti-slip mat according to claim 1 or 2, wherein the surface resin layer is made of an olefin-based resin composition, and the difference in thickness of the unevenness of the surface resin layer is 0.1 to 1.0 mm. . The anti-slip mat according to any one of claims 1 to 3, wherein the flexible foam foam has a thickness of 0.4 mm to 1.5 mm and a foaming ratio of 2 to 10 times. The non-slip mat according to any one of claims 2 to 4, wherein the primer layer is made of a modified olefin resin and has a thickness of 5 to 15 µm, and the printing layer has a thickness of 10 to 50 µm. . The anti-slip mat according to any one of claims 2 to 5, wherein the anti-slip mat has a haze value of 1 to 50% and is transparent so that a printed layer can be seen.