JP7352486B2 - toilet mat - Google Patents

Description

The present invention relates to a toilet mat laid on the floor around a toilet bowl.

An antibacterial mat in which the pile is impregnated with an oil containing an antibacterial agent is known (Patent Document 1). Furthermore, toilet mats that exhibit antibacterial or deodorizing effects are also known (Patent Documents 2-7). In toilet mats, it is particularly desirable to prevent the occurrence of urine odor.

Japanese Patent Application Publication No. 11-254 Utility model registration No. 3217926 Utility Model No. 59-34699 Japanese Patent Application Publication No. 2004-16301 Japanese Patent Application Publication No. 8-24165 Japanese Patent Application Publication No. 5-161575 Japanese Patent Application Publication No. 4-282115

By the way, in order to prevent the occurrence of urine odor, it is particularly desirable to prevent the urine that has fallen onto the mat surface from spreading, and furthermore to prevent the generation of ammonia from the urine. . However, conventionally known toilet mats have not been able to fully meet such demands.

An object of the present invention is to provide a toilet mat that can sufficiently prevent the diffusion of urine and the generation of ammonia.

The present invention provides a toilet mat laid on the floor around a toilet bowl,
It has a pile part made of tufted pile on the surface,
The pile contains water-absorbing fibers in part or in whole,
The pile portion is impregnated with an antibacterial oil agent,
The antibacterial oil contains a non-volatile oil, an antibacterial agent having an antibacterial effect against Proteus bacteria, and a nonionic surfactant dissolved in the non-volatile oil, and has a pressure of 100 to 3000 mPa·s. has a viscosity of
It is characterized by

According to the present invention, it is possible to prevent the diffusion of urine and also to prevent the generation of ammonia, thereby achieving an effective deodorizing effect.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a toilet mat according to an embodiment of the present invention being laid on the floor around a Western-style toilet bowl of a toilet. FIG. 2 is a plan view of the toilet mat of FIG. 1; 3 is a sectional view taken along line III-III in FIG. 2. FIG.

FIG. 1 is a perspective view showing a toilet mat according to an embodiment of the present invention being laid on the floor around a Western-style toilet bowl of a toilet. FIG. 2 is a plan view of the toilet mat of FIG. 1. FIG. 3 is a cross-sectional view taken along line III--III in FIG.

The toilet mat 1 of this embodiment has a concave shape in plan view. That is, the toilet mat 1 has a rectangular shape in plan view, but has a notch 10 on one side. When the toilet mat 1 is laid on the floor around the Western-style toilet bowl 9 along the Western-style toilet bowl 9, the Western-style toilet bowl 9 is positioned within the notch part 10.

The toilet mat 1 consists of an original mat fabric 2 in which piles 21 are tufted onto a base fabric 22, and a mat base material 3 joined to the back side of the original mat fabric 2. The surface of the mat original fabric 2 constitutes a pile portion 20 consisting of piles 21. The mat base material 3 is obtained by pressing an unvulcanized rubber sheet against the back surface of the base fabric 22 and vulcanizing it. In FIG. 3, the pile 21 has the shape of a cut pile, but it may be a loop pile or a mixture of cut pile and loop pile. The mat base material 3 has a portion that slightly protrudes from the entire circumference of the pile portion 20, that is, an edge portion 31 in plan view. The edge portion 31 of the cutout portion 10 is in contact with the peripheral wall of the Western-style toilet bowl 9.

The pile 21 is made entirely of water-absorbing fibers, or partially contains water-absorbing fibers. It is preferable that the water-absorbing fiber has a water-absorbing property of 10 mm or more as measured by the Bayreck method. The Bayrek method is a "water absorption test method for textile products" specified in JIS L 1907:2010. As such water-absorbing fibers, cotton, rayon, cupro, wool, acetate, nylon, acrylic, vinylon, or PET microfibers can be used.

The pile portion 20 is impregnated with an antibacterial oil agent. The antibacterial oil contains a nonvolatile oil, an antibacterial agent having an antibacterial effect against Proteus bacteria, and a nonionic surfactant dissolved in the nonvolatile oil. It has viscosity.

As the non-volatile oil, any one selected from mineral oil or synthetic oil can be used. As the mineral oil, paraffinic oil, naphthenic oil, aromatic hydrocarbon oil, or a mixture thereof can be used. Specifically, liquid paraffin oil, spindle oil, machine oil, refrigeration oil, and other petroleum-based lubricating oils can be used. etc. can be used. As the synthetic oil, polyolefin oil (α-olefin oil), ester oil, polyglycol oil, polybutene oil, alkylbenzene oil, silicone oil, etc. can be used. These can be used alone or in a mixture of two or more. Of course, a mixture of mineral oil and synthetic oil may be used.

As the antibacterial agent, the following brominated antibacterial agents can be used.
・1,2,3-tris(bromoacetoxy)propane ・1,2-dibromo-2,4-dicyanobutane ・1,2-bis(bromoacetoxy)ethane ・1,2-bis(bromoacetoxy)propane ・1 ,4-bis(bromoacetoxy)-2-butene ・2,2-dibromo-2-nitroethanol ・2,2-dibromo-3-nitrilopropionamide ・2-bromo-2-nitro-1,3-diacetoxy Propane ・2-bromo-2-nitro-1,3-propanediol ・2-bromo-3-phenyl-2-propenal

Note that as the antibacterial agent, chlorine-based antibacterial agents and other antibacterial agents may be used as long as they have an antibacterial effect against Proteus bacteria.

The concentration of the antibacterial agent in the antibacterial oil is preferably 0.05 to 15% by weight, more preferably 2 to 10% by weight.

As the nonionic surfactant, the following can be used.
・Polyoxyalkylene alkyl ether ・Alkyl glucoside ・Alkylamine oxide ・Sorbitan fatty acid ester ・Sucrose fatty acid ester ・Epoxidized oil and fat ・Polyhydric alcohol fatty acid ester or its alkylene oxide adduct ・Polyhydric alcohol fatty acid ether ・Polyglycerin fatty acid ester ・Polyethylene glycol fatty acid ester

The concentration of the nonionic surfactant in the antibacterial oil is preferably 0.1 to 20% by weight, more preferably 0.5 to 10% by weight.

The antibacterial oil agent described above is preferably applied to the pile 21 by a roll coater method. According to the roll coater method, production costs can be reduced. Note that a spray atomization method may be adopted.

According to the toilet mat 1 as described above, the following effects can be exhibited.
(1) Since the pile 21 contains water-absorbing fibers in whole or in part, the pile portion 20 can quickly absorb falling urine. Therefore, diffusion of urine can be prevented.

(2) Since the antibacterial oil impregnated into the pile portion 20 contains an antibacterial agent that has an antibacterial effect against Proteus bacteria, it is possible to prevent ammonia from being produced from urine by Proteus bacteria. As a result, urine odor caused by ammonia can be suppressed.

(3) That is, it is possible to prevent the diffusion of urine and also to prevent the generation of ammonia, so that an effective deodorizing effect can be exhibited.

(4) Since a brominated antibacterial agent is used as an antibacterial agent, the following effects can be achieved.
(4-1) Can exhibit antibacterial effects even in alkaline environments.
(4-2) Odor and irritation can be suppressed compared to chlorine-based antibacterial agents.

(5) When the water-absorbing fibers included in the pile 21 are impregnated with an oil agent, there is a possibility that the water absorbent fibers contained in the pile 21 absorb an excessive amount of the oil agent due to polarity or capillary phenomenon. However, the antibacterial oil used in the toilet mat 1 of the present invention has a viscosity of 100 to 3000 mPa·s and also contains a nonionic surfactant. can be well adapted to. As a result, it is possible to prevent the antibacterial oil agent from adhering to the soles of shoes stepping on the pile part 20 and being taken out of the toilet mat, thereby preventing other floor surfaces from becoming dirty with the antibacterial oil agent.

[Examples 1 to 3]
A mat consisting of a mat original fabric and a mat base material was prepared, and the pile portion of the mat was impregnated with a predetermined antibacterial oil agent, thereby obtaining the toilet mats of Examples 1 to 3.

(Matte original fabric)
After the pile was tufted onto a base fabric, it was cut into a concave shape in plan view.
- Pile...obtained by twisting two 10s/4 cotton threads together.
・Base fabric…120g/ ^m2 polyester nonwoven fabric ・Tufting conditions ・Gauge direction…8 pieces/inch ・Stitch direction…7 pieces/inch ・Pile form…all cut ・Pile length…10mm
・Pile weight…1150g/ ^m2
・Concave shape in plan view: It is rectangular in plan view with each side of 65 cm, but has a notch on one side.

(mat)
A rubber sheet was bonded to the back side of the mat material to produce a mat consisting of the mat material and the mat base material.
・Rubber sheet…Unvulcanized NBR rubber (contains vulcanizing agent), 1.5mm thick ・Joining conditions ・Pressure conditions…3kg/cm ²
・Heating conditions…170℃×20 minutes

(Antibacterial oil)
5% by weight of 2,2-dibromo-3-nitrilopropionamide, an antibacterial agent, and 5% by weight of polyoxyalkylene alkyl ether, a nonionic surfactant, were dissolved in 90% by weight of synthetic ester oil. As a result, an antibacterial oil having a predetermined viscosity was obtained. Note that the "predetermined viscosity" was adjusted mainly by selecting the type of synthetic ester oil.

The case where the predetermined viscosity of the antibacterial oil agent was 100 mPa·s was referred to as Example 1, the case where it was 600 mPa·s was referred to as Example 2, and the case where the predetermined viscosity was 3000 mPa·s was referred to as Example 3.

[Comparative Examples 1 to 7]
Comparative Examples 1 to 7 differ from Examples 1 to 3 only in the following points, as shown in Table 2.
・Viscosity of antibacterial oil, presence or absence of surfactant, or both

[Examples 4 to 6]
Examples 4 to 6 differ from Examples 1 to 3 only in the following points, as shown in Table 3.
- Pile: 20 PET microfibers of 110 dt/144 f were pre-twisted, and two of these were twisted and set.

[Comparative Examples 8 to 14]
Comparative Examples 8 to 14 differ from Examples 4 to 6 only in the following points, as shown in Table 4.
・Viscosity of antibacterial oil, presence or absence of surfactant, or both

[Comparative Example 15]
Comparative Example 15 differs from Example 4 only in the following points, as shown in Table 5.
- Pile: Obtained by first twisting two 1000 dt/50 f PET yarns, then twisting the two yarns together and setting them.

[Comparative Example 16]
Comparative Example 16 differs from Example 6 only in the following points, as shown in Table 5.
- Pile: Obtained by first twisting two 1000 dt/50 f PET yarns, then twisting the two yarns together and setting them.

[Performance test 1]
The following tests were conducted on the toilet mats of Examples 1 to 6 and Comparative Examples 1 to 16, and the results are shown in Tables 6 to 8.

(Water absorption test)
The toilet mat was left overnight in an environment of 20° C. and 65% humidity. Then, a toilet mat was placed on the floor, 20 g of water in a beaker was dropped onto the toilet mat from a height of 10 cm, and the time it took for the toilet mat to absorb the water was measured. If the measurement time is less than 5 seconds, it is judged as "〇" (good), if it is 5 seconds or more and less than 10 seconds, it is judged as "△" (slightly poor), and if it is 10 seconds or more, it is judged as "x" (poor). ).

(Antibacterial oil impregnation test)
The toilet mat before being impregnated with the antibacterial oil agent was left overnight in an environment of 20° C. and 65% humidity. Next, an antibacterial oil agent was applied to the pile portion using a roll coater. Next, 5g each of the pile was cut from five locations in the pile portion. Then, the weight of the antibacterial oil contained in the cut pile was measured by Soxhlet extraction method. When the weight of the antibacterial oil agent was 8 to 12% of the weight of the pile, it was judged as "〇" (good), and in other cases, it was judged as "x" (poor).

[Consideration 1]
The toilet mats of Examples 1 to 6 have both good water absorption and the amount of oil impregnated, so they can prevent the diffusion of urine and also prevent the generation of ammonia, so they can exhibit an effective deodorizing effect. On the other hand, the toilet mats of Comparative Examples 1 to 16 had "slightly poor" or "poor" water absorption and impregnated oil content, so they did not have the same effective deodorizing effect as the toilet mats of Examples. I can't perform.

[Performance test 2]
The following tests were conducted on the toilet mat of Example 2 and the toilet mats of Comparative Examples 17 and 18, and the results are shown in Table 9. The toilet mat of Comparative Example 17 differs from the toilet mat of Example 2 only in that it does not contain an antibacterial agent, and the toilet mat of Comparative Example 18 differs from the toilet mat of Example 2 in that it contains no antibacterial agent. The only difference is that the part is not impregnated with antibacterial oil.

(Antibacterial test)
5g of the toilet mat pile was cut out and the antibacterial activity was measured by the bacterial liquid absorption method (JIS L 1902). The target bacterial species was "Proteus mirabilis (NBRC3849)." When the activity value was 2 or more, it was judged as "〇" (good), and when it was less than 2, it was judged as "x" (poor).

(Odor prevention (ammonia generation suppression) test)
A 5 cm x 5 cm piece was cut from the toilet mat and placed in a 200 ml container. Then, 500 μl of 4% urea solution and 1 ml of bacterial solution of "Proteus mirabilis (NBRC3849)" (1 to 10 x ¹⁰ cells/ml) were added to the container, and the mixture was incubated at 35°C for 24 hours. Afterwards, the ammonia concentration generated was measured. When the measured value was less than 10 ppm, it was judged as "〇" (good), and when it was 10 ppm or more, it was judged as "x" (poor).

[Consideration 2]
The toilet mat of the example can reliably exhibit the deodorizing effect.

The toilet mat of the present invention can exhibit an effective deodorizing effect, and therefore has great industrial utility value.

1 Toilet mat 20 Pile part 21 Pile 9 Western-style toilet bowl

Claims (3)

In the toilet mat laid on the floor around the toilet bowl,
It has a pile part made of tufted pile on the surface,
The pile contains water-absorbing fibers in part or in whole,
The pile portion is impregnated with an antibacterial oil agent,
The antibacterial oil contains a non-volatile oil, an antibacterial agent having an antibacterial effect against Proteus bacteria, and a nonionic surfactant dissolved in the non-volatile oil, and has a pressure of 100 to 3000 mPa·s. has a viscosity of
This toilet mat is characterized by: The antibacterial agent is a brominated antibacterial agent,
The toilet mat according to claim 1. The water absorbent fiber has a water absorbency of 10 mm or more as measured by the Bayreck method.
The toilet mat according to claim 1 or 2.

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