JPH02102625A - Deodorizing mat - Google Patents

Abstract

PURPOSE:To process the malodor source or uncomfortable color of an urine toilet by spreading a layer which is composed of a flocked unwoven fabric or a porous elastic body to have a specified aperture as a first layer, spreading another layer to be composed an artificial sod-shaped body whose aperture is higher than that of the first layer as a second layer, and including a microbe or/and an enzyme in these layers. CONSTITUTION:The first basic layer 6 composed of the flocked unwoven fabric or porous elastic body whose aperture is >=20%, is spread in the urine toilet bowl and the second layer 4 composed of the artificial sod-shaped body, flocked unwoven fabric or porous elastic body, whose aperture is higher than that of the first layer, is spread on the first layer. Then, the total sum of layer thickness is made >=3mm. A deodorizing mat 2 of a layer-shaped porous elastic body to include the microbe or/and enzyme in these layers is spread in a toilet 1, namely, spread in the surface of toilet bowl. Thus, when urine drops down on the surface of permeable mat to have the large aperture, the urine is speedily permeated to a lower part and decomposed in the lower part of the mat to include the enzyme or microbe according to an aerobic condition. Then, the urine is deodorized.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a deodorizing mat used in a toilet bowl,
In particular, the present invention relates to a toilet bowl deodorizing mat used in a toilet bowl, which is necessary for public health or environmental hygiene.

[Traditional technique #! ] Pottery and porcelain are usually used as materials for toilet bowls, and in the case of mobile toilets, plastic toilets are increasingly used instead of iron plates.

In particular, since the place is unclean, the majority of styles prioritize flush toilets.

Recently, as the population has increased and usage has increased, cleanliness has become important, so chemical air fresheners are used to prevent and eliminate odors.
Too much detergent has been used. In addition, because the toilet bowls are used by many people and can be used many times, urinary stones are often deposited and accumulated in men's toilet bowls, which often causes bad odors.

Removing them is extremely difficult and time-consuming.

[Problems to be Solved by the Invention] Therefore, as a result of various studies, the present inventors have found that there is no splashing of urine, no accumulation of urinary stones, the deodorizing effect can be increased by dispersing microorganisms, and there is no odor. , invented an aesthetically pleasing deodorizing mat for toilet bowls. Therefore, the present invention was able to provide a deodorizing mat for use in a toilet bowl that can be cleaned with a small amount of water, eliminates the hassle of cleaning work, and gives a clean feeling. In other words, conventional toilet bowls are disinfected and cleaned using chemicals, chemical detergents, etc., but the deodorizing mat for toilet bowls of the present invention can prevent odors and maintain a sense of cleanliness without the use of chemicals or fragrances. , there is no need to worry about environmental deterioration caused by disinfectants or chemical detergents, and sources of bad odors and unpleasant colors can be eliminated.

[Means for Solving the Problems] The gist of the present invention consists of a double layer, the first layer is a base layer, the porosity is smaller than that of the second layer above it, and the porosity is 20. % or more of a flocked nonwoven fabric or a porous elastic material, and the second layer is an artificial turf-like material, a flocked nonwoven fabric, or a porous elastic material with a higher porosity than the first layer. year,
A deodorizing mat for use in a toilet bowl, characterized in that the total thickness is 31 or more, these layers are impregnated with microorganisms and/or enzymes, and optionally treated with an agent that promotes the action of microorganisms and enzymes. be.

Based on the results of various studies, the present inventors considered the following conditions for producing the deodorizing mat used in the toilet bowl of the present invention.

Human urine does not emit much of a bad odor when it is inside the body, but when it exits the body, microorganisms in the air become attached to it, causing it to emit a bad odor. In particular, in men's urinals in public restrooms that are used by many people, urinary stones often accumulate on the ceramic surface, especially around the pinholes on the ceramic surface, and the urinary stones create a foul odor. It becomes a source of In other words, urinary stones, which are the source of bad odors, are caused by urea, which is contained in human urine at 30g/day, that adheres to the surface of the toilet bowl covered with urine, in order to remove the organic matter that humans ingest (100 g/day). It is then dried to form a solid substance. This solid material does not emit much of a bad odor at this point, but as time passes, it begins to emit a bad odor as it decomposes due to the action of bacteria and microorganisms in the air. Generally, attempts to remove these substances using disinfectants, chemical agents, etc. are impossible.

According to the present invention, the first layer is a base layer, the porosity is smaller than that of the second layer above it, and the layer made of flocked nonwoven fabric or porous elastic material with a porosity of 20% or more is used as the 1R1 layer. The second layer is an artificial turf-like material, a flocked nonwoven fabric, or a porous elastic material with a higher porosity than the first layer, and the total thickness is 3 m or more, and these layers are coated with microorganisms and/or enzymes. A deodorizing mat made of a layered porous elastic material impregnated with is placed inside the toilet bowl, that is, on the surface of the toilet bowl material.

When urine falls onto the breathable, high-porosity mat surface, it quickly penetrates to the bottom. Then, the urine flows down to the bottom of the mat, and at the bottom of the mat, which is impregnated with enzymes and microorganisms, due to the presence of enzymes and microorganisms, the urine that has penetrated
Decomposition is accelerated under aerobic conditions. This breaks down the urine and makes it odorless. Therefore, in the mat of the present invention,
There was no accumulation of urinary stones, and even if there were, urinary stones formed from components in the urine would be decomposed by the activities of enzymes and microorganisms. In order to promote and increase the activity of these enzymes and microorganisms,
It is necessary to keep it close to moist.

As a result of various studies, the mat of the present invention has a double layer, the first layer is the base layer, the porosity is smaller than the second layer above it, and the porosity is 20. % or more of flocked nonwoven fabric or porous elastic material as the first layer.
The second layer has a higher porosity than the second layer [a layer made of grass-like material, flocked nonwoven fabric, or porous elastic material is used as the second layer, and the total thickness is 31
It has been discovered that the structure in which these layers are impregnated with microorganisms and/or enzymes makes it possible to promote the action of microorganisms and enzymes. In particular, in the mat of the present invention, it has been found that some of the desired conditions can be ensured by using a porous foam material having communicating holes, a nonwoven fabric, felt, etc. for the first Mjj of the base layer. Therefore, in the first H of such a structure,
This is because it is easy to increase the contact area with air.

In the deodorizing mat of the present invention, such a structure may be processed with an agent that promotes the action of microorganisms and enzymes, if desired. For example, a biocarrier or the like can be used for this purpose.

That is, the mat of the present invention consists of a double layer, the first layer is a base layer, the porosity is smaller than that of the second layer thereon, and the mat is made of a flocked nonwoven fabric or porous elastic material with a porosity of 20% or more. The first layer is a layer made of the body, and the second layer is made of an artificial grass-like material, a flocked nonwoven fabric, or a porous elastic material with a higher porosity than the first layer, and the total thickness is 3 m or more. belongs to.

Microorganisms and/or enzymes are sprayed on the deodorizing mat with the above structure, and the upper layer is coarse and has a large porosity, and the lower layer is dense and has a large porosity. Because of the smaller structure, the scattered urine can easily flow down into the upper layer, and the lower layer provides favorable conditions for the growth of microorganisms and enzymes. Even if it were, there are conditions for microorganisms, so they would be naturally eliminated.

In the deodorizing mat of the present invention, the upper layer has a coarse density, and the lower layer has a denser density, and has communicating pores, so the lower layer tends to be always in a wet state. To some extent, there is also contact with air in the lower layer, and conditions favorable for the growth of aerobic microorganisms are maintained. These are necessary to meet the moisture and air requirements of microbial growth conditions. Furthermore, it is preferable that the material has good water retention properties. In other words, it becomes possible to easily maintain a moist state.

For toilet bowls, the following applies. That is, human urine easily adheres to inorganic materials (eg, ceramic surfaces). This is because inorganic materials appear to have a dense surface, but the surface has irregularities and cracks, is not hydrophobic, and has countless pinballs. Therefore, the components in the urine adhere to the surface and deposit, making it difficult to remove. Additionally, the urine that has penetrated the pinholes is not easily decomposed and becomes a source of bad odors over time. Further, urinary stones begin to precipitate using these pinholes and cracks as precipitation centers, and the deposits accumulate and become a source of bad odors.

In contrast, the deodorizing mat of the present invention eliminates the above-mentioned problems and allows urine to flow down and penetrate, leaving no traces of urine on the surface, thereby maintaining the aesthetic appearance of the toilet bowl. Odors are also caused by urinary stones or urine that evaporates from the surface of the toilet bowl, but in this case, the urine immediately flows downward and permeates, and in the lower layer of the mat, there is sufficient moisture and air, and the enzymes Urine is rapidly decomposed because the action of microorganisms and microorganisms is activated.

As the microorganisms and enzymes to be used by impregnating the deodorizing mat of the present invention, proteolytic enzymes or microorganisms having the ability to decompose organic substances such as starch, sugars, and proteins are used.For example, protease (Potcase), amylase, etc. (Amylaze), Hemicellulase (Hcmicc)
It is preferable to use enzymes such as Bacillus, Nitrosomonas, Nitrobactcr, and Cellulomonas. The deodorizing mat of the present invention is used by impregnating it with enzymes and/or microorganisms such as those described in "Uki".

In addition, the genus Bacillus used as the microorganism used in the deodorizing mat of the present invention is particularly Bacillus subtilis (B, 5ubti11is) [IAM (Institut
ute of AppliedMicrobiolog
y; Abbreviation of the Useful Bacterial Strain Storage Facility, Institute of Applied Microbiology, University of Tokyo; (hereinafter, this abbreviation will not be used) 1168 and 12118
] is suitable, but in addition to this, naratou (B, natt
o) [IFO (Institute for Ferm)
entationQsaka: Fermentation Research Institute:
Abbreviation for: Hereinafter, this abbreviation will be used in the same manner) 3009] Bacteria,
Coagulance (B.

coagulans) [IAM 1115], Macerans (B, a+aeerans) [IAM 1243] may be used in combination.

Furthermore, Nitrosomonas
Genus, Nitrobacter 5%,
Microorganisms such as the genus Cellulomonas can be used.

Further, in the deodorizing mat of the present invention, a fragrance component is used, and in order to mask or neutralize the odor peculiar to urine, a vegetable fragrance with a high residual odor can be suitably used. (extract of pinaceae plant), cypress oil (extract of araceae plant), camphor oil (extract of plant of lauraceae family), cedarwood oil (extract of plant of cypress family plant), lavender oil (extract of plant of mint family plant) Essential oils extracted from plants such as Physcomitrella japonica) are suitable, and deodorant fragrances can also be used.

[Function] The deodorizing mechanism of the deodorizing mat of the present invention is thought to be as follows.

Urine easily passes through the upper layer with communicating holes and flows down to the lower layer. At that time, as it passes through the upper layer, it passes through the presence of aerobic microorganisms and enzymes.
It is decomposed into two parts.

On the other hand, the decomposition of urine flowing down to the lower layer is promoted by the action of anaerobic microorganisms and enzymes. What is decomposed under anaerobic conditions is flushed out during the next flow of urine water.
Moved to aerobic conditions and deodorized. As described above, the deodorizing mat of the present invention does not generate any bad odor and is easy to use.

In addition, calcium contained in urine often adheres to toilet bowls and tends to cause problems, but urine adhering to the deodorizing mat of the present invention causes calcium to precipitate within the porous layer (7). Because of this, it adheres in powder form and is easily removed by washing.

The following are the requirements that the deodorizing mat for laying on the surface of the toilet bowl according to the present invention must have:

In addition to being porous in shape and having air permeability, it also has water permeability and excellent water retention.

Secondly, it has a shape that not only has the first function but also allows enzymes and microorganisms to be immobilized. Thirdly, conditions do not particularly hinder the growth of microorganisms. Fourthly, conditions must be satisfied that allow the enzyme to function satisfactorily. Fifth
The main reason for this is that the material is mainly composed of elastic organic fibers. Sixthly, it is preferable that all the mat materials have a hydrophilic function.

Traditionally, flushing has been the mainstream method for cleaning toilet bowls, and since water is not constantly flowing in toilet bowls, they tend to dry out easily, and human urine settles as it dries, leading to the formation of urinary stones. ,
Moreover, it is often deposited even in liquid. As a result, as the days pass, they develop a foul odor and become a breeding ground for bacteria.

On the other hand, in the deodorizing mat of the present invention, a porous foam material with continuous pores, a nonwoven fabric, or felt is used for the lower part, which improves water retention and fluidity. This is because it has The thickness of this lower layer is preferably about 1 mm or more.

In addition, the upper layer is made of artificial grass, nonwoven fabric, felt, fiber,
The filament is thicker than the lower layer, with a diameter of 0.05 .phi. or more, and more preferably a diameter of II.phi. to 3 m.phi. Depending on the affiliation, the aperture ratio is 2 for reeds with a thickness of 0.51φ or more.
A reed screen or 1 having a porosity of 0% or more, preferably 40 to 60% is used. The lower layer and the upper layer are appropriately bonded or separated.The combined thickness of the lower layer and the upper layer is preferably 4 m or more.

When using reeds, the upper layer preferably has a thickness of 1.5 ff11 or more, and the lower layer preferably has a thickness of 2 -F or more.

When a porous foam having communicating pores is used as the lower layer, the pores are preferably 2 mm or less, and 0.3 to 0.3 mm.
One having a communicating hole of 0.5 nmφ is suitable.

On the other hand, when using artificial grass for the upper layer, the lower layer is
Use something similar to the one that uses film matte. In addition, if artificial grass is planted on non-woven fabric,
Special combinations are also possible.

For example, urethane foam is useful as a lower layer because it has suitable communication pores and has excellent water retention, but is not suitable as an upper layer.

The thickness of the deodorizing mat of the present invention is preferably 3 m or more. That is, in order to maintain conditions suitable for the propagation of microorganisms, etc., it is necessary to have a thickness of 3 circles or more.

The deodorizing mat of the present invention is particularly effective in preventing urinary stone precipitation, deodorizes in a short time, and is suitable for any type of toilet.

Table 1 Enzymes and microorganisms Next, the deodorizing mat to be placed inside the men's toilet bowl according to the present invention will be explained using a specific example.
The present invention is not limited to the following examples.

[Example 1] The state in which the deodorizing mat of the present invention is used is shown in the perspective views of FIGS. 2 set up as gk,
Or it is placed there. The urine falls on the mat 2, flows down and permeates through it, and is discharged from the flow outlet 3.

The mat of the present invention has a cross section shown in the cross-sectional view of FIG. The lower layer of the deodorizing mat is made of soft urethane foam with a thickness of F51 and has communication holes with a pore diameter of 0.7ffllΦ.
111 form M! 16, as the upper layer,
An artificial turf layer 4 made of polyethylene is used, and its substrate cloth 5 has a porosity of 70%.
5 has a total thickness of 61 mm. Lower layer 6 and upper layer 4.
No. 5 is spot-adhered with rubber glue.

Such a deodorizing mat 2 was used by being placed on a toilet bowl 1 as shown in FIGS. 1A and 1B. The enzymes and microorganisms shown in Table 1 were dispersed in water at a ratio of 1 g/l.
It was sprayed on deodorant mat 2 at a ratio of 0.21/♂.

The deodorizing mat 2 produced in this way is used as a flush toilet, but the amount of water per flush is 4! was changed to 12 and used.

Although the toilet was used for one week with an average of 105 people using the toilet for seven days, there was almost no odor and no accumulation of urinary stones was observed.

After one week, the odor mat 2 was washed with water, treated in the same manner, and used repeatedly. As a result, there was no odor and no urinary stones were observed for half a year. The results of the performance evaluation of this deodorizing mat are shown in Table 2, along with the results of other examples, in comparison with a comparative example in which no mat was used.

[Example 2] Not shown in the sectional view of FIG. 4 is T! An experiment was conducted on deodorizing mat 2, which has a structure using two cages. The lower layer is made of soft urethane foam with a thickness of 5 m and has communication holes with a diameter of 0.7 mΦ, and the upper layer is made of vinyl chloride. (=・generally, [] a blind used for protection) 7
The shade screen 4 has a total thickness of 3 m. The lower layer 6 and the upper layer 7 are bonded together using rubber glue in a slit manner. This deodorizing mat 2 was used by installing it in the men's toilet bowl 1 as shown in FIG. Ig/j of the enzymes and microorganisms shown in Table 1! The mixture was dispersed in water at a ratio of 0.2127 x 1 on fallen odor mat 2.

Although it is a flush toilet, the amount of water per flush is changed to 7 times, which is 1/4 of the conventional amount, and it is used to prevent odor as shown in Figure 4.
The 7-piece 2 was placed inside the toilet bowl and used in an experiment.

The average number of toilet users was 98 people/day, and after using the toilet for 1Δ, there was almost no odor and no accumulation of urinary stones was observed. One week later, this deodorizing mat 2 was washed with water, treated in the same manner, and used repeatedly. As a result, there was no odor and no urinary stones were observed for half a year. The results of the performance evaluation of this deodorizing mat are shown in Table 2, along with the results of other examples, in comparison with a comparative example in which no mat was used.

[Example 3] As the lower layer, the m fibers were made of wood m fibers and had a thickness of 2I,
A non-woven fabric 6 of 150 g/m'' was used, an artificial grass 6 made of polyethylene was used as the upper layer, and the substrate fabric 5 had a porosity of 70%. 0 Artificial turf layer 4.5 made with deodorizing mat/to 2 having the structure shown in the cross-sectional view
has a total thickness of 6 m. Lower layer 8 and upper layer 4.5
is spot-adhered with glue. As a result of using the deodorizing mat 2 prepared under the same conditions as in Example 1.2 for one week with an average of 83 people using the toilet per day, there was almost no odor and no accumulation of urinary stones was observed. There wasn't. The results of the performance evaluation of this deodorizing mat are shown in Table 2, along with the results of other examples, in comparison with a comparative example in which no mat was used.

Chopstick Master Performance Evaluation Note 7. 1 without knee 7 has a usage frequency of 40 people/day, 2 has a usage frequency of 20 people/day on average, and Example 1 has a usage frequency of 105 people/day. Example 2 has a usage frequency of 98 people/day, and Example 3 has a usage frequency of 83 people/day.
[The frequency of use was 1.

(1) NHZ and Wδ were measured in ppm using a soil-type detection tube.

■Odor was evaluated on a five-point scale. In other words, (no smell)
Rated 1-3-5 (very smelly).

0) The toilet in which the experiment was conducted was a toilet that had been used for more than 2 years after the ffm, and was normally cleaned every day.

[Effects of the Invention] Firstly, as mentioned above, the deodorizing mat used in the toilet bowl of the present invention can decompose urine with the ideal decomposition function, and maximizes the contact between aerobic microorganisms and enzymes. In other words, it is possible to provide an odor-proof mat that promotes the decomposition of urine.
It has a mechanism in which the lower layer decomposes by the action of microorganisms and enzymes that work in anaerobic conditions, transfers it to aerobic conditions, decomposes it again, and makes it odorless, so that it does not emit a bad odor. Second, it is possible to provide an odor-proof toilet bowl that does not accumulate urinary stones and is therefore easy to clean and has a structure that does not generate bad odors. Third, it is possible to provide an odor-proof men's toilet that does not cause urine to splash and maintains its aesthetic appearance. To provide a toilet bowl mat.Fourthly, it is possible to provide a toilet bowl mat that can be easily set and used in the currently used men's toilet bowl and achieve the intended purpose.Fifth, When used in flush toilets,
Remarkable technical effects such as providing a toilet deodorizing mat that uses a small amount of water11 were obtained.

[Brief explanation of the drawing]

FIGS. 1A and 1B are perspective views showing how the deodorant cloak of the present invention is used. FIG. 2 is an explanatory sectional view showing the cross section of the deodorizing mat of the present invention. FIG. 3 is a perspective view showing a usage pattern to which a deodorizing mat according to another example of the present invention is applied. FIG. 4 is an explanatory sectional view showing the cross section of the deodorizing mat of the present invention as shown in FIG. 3. FIG. A Figure 1 Figure 2

Claims (1)

[Claims] Consisting of a double layer, the first layer is the base layer, the porosity is smaller than the second layer above it, and the first layer is a layer made of flocked nonwoven fabric or porous elastic material with a porosity of 20% or more. The second layer is a layer made of an artificial turf-like material, a flocked nonwoven fabric, or a porous elastic material with a higher porosity than the first layer, and the total thickness is 3 mm or more, and these layers contain microorganisms or / A deodorizing mat to be placed in a toilet bowl, which is impregnated with and enzymes and, if desired, treated with an agent that promotes the action of microorganisms and enzymes.