JP7029132B2 - Infection control method - Google Patents

Description

The present invention relates to a method for preventing infections such as hypersensitivity pneumonitis and interstitial pneumonitis, and more particularly to an infection control method and a drug for removing mold fungi to prevent infectious diseases.

[Conventional technology]
Conventional methods for controlling fungi have been to apply or spray a fungicide to remove mold and prevent the growth of mold by applying a chemical to a place where mold is growing in a house.

[Related technology]
As related prior arts, JP-A-06-65012 "Antibacterial anti-mold ceramics and a method for producing the same" (Patent Document 1) and JP-A-2005-329101 "Method for preventing deodorization and generation of malodor" (Patent Document 1). 2), Japanese Patent Application Laid-Open No. 2006-149900 "Indoor antibacterial deodorant method and chemical solution" (Patent Document 3), Japanese Patent Application Laid-Open No. 2009-263651 "Photocatalyst coating composition" (Patent Document 4).

Patent Document 1 discloses an antibacterial antifungal ceramic in which a conductive substrate is coated with a titanium oxide film containing a kind of metal ion selected from silver, copper, zinc, and platinum.
Patent Document 2 discloses a method of supplying ozone into a room and spraying a suspension containing a sol of anatase-type titanium oxide modified with a peroxo group.

Patent Document 3 discloses a method of spraying a chemical solution containing a titanium phosphate solution containing a titanium phosphate compound or a condensate thereof as an active ingredient and a diluent in a closed room.
Patent Document 4 discloses a photocatalytic coating composition containing titanium oxide particles, inorganic oxide particles, copper element, silver element, tetraammonium hydroxide, and hydrolyzable silicone in a solvent.

Japanese Unexamined Patent Publication No. 06-65012 Japanese Unexamined Patent Publication No. 2005-329101 Japanese Unexamined Patent Publication No. 2006-149900 Japanese Unexamined Patent Publication No. 2009-263651

However, the conventional method for controlling fungi has a problem that the entire indoor area is not efficiently constructed because the fungicide is applied or sprayed on the wall or the like.
In addition, it is conceivable to spray the chemicals on the entire indoor area, but there is a problem that the effect is weak when the chemicals have no strong effect.

It should be noted that Patent Documents 1 to 4 do not describe a method of spraying a drug combining titanium oxide as a photocatalyst, silver as an antibacterial agent, and copper as an antifungal agent into a fine mist with ultrasonic waves.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an infection control method and a drug for preventing infectious diseases by immediately and permanently removing mold fungi and viruses.

The present invention for solving the above-mentioned problems of the conventional example is an infection prevention method, in which a drug containing titanium oxide as a photocatalyst and copper and silver as an antibacterial catalyst is ultrasonically atomized into a mist of nanoparticles indoors. It is characterized by spraying for a certain period of time.

The present invention is characterized in that, in the above-mentioned infection control method, the spraying agent contains water as a main component and povidone iodine.

The present invention is characterized in that, when it is a construction method and it is not necessary to peel off the cloth indoors, the above-mentioned infection control method is carried out after removing mold, wiping and drying.

The present invention is a construction method, and when it is necessary to peel off the cloth indoors, the cloth is peeled off, the mold is removed, the cloth is wiped off, and after drying, the antifungal agent for the base is applied and the cloth is pasted. It is characterized in that the replacement is carried out and the above-mentioned infection control method is carried out.

The present invention is an infection-preventing agent, which comprises titanium oxide as a photocatalyst, copper as an antibacterial catalyst, silver as an antibacterial catalyst, and povidone iodine.

The present invention is characterized in that, in the above-mentioned drug, the water content is 90% or more and 95% or less, and the other mixture is 5% or less.

The present invention is characterized in that, in the above-mentioned chemicals, titanium oxide as a photocatalyst is nano-order nano-titanium oxide having a diameter of 100 nanometers or less, and copper and silver as antibacterial catalysts are copper ions and silver ions. do.

The present invention is a drug for preventing infection, and is characterized by containing nano-order nano-titanium oxide having a diameter of 100 nanometers or less as a photocatalyst and copper ions having a concentration of 500 PPM or more and 3000 PPM or less as an antibacterial catalyst. do.

According to the present invention, an infection control method is used in which a chemical containing titanium oxide as a photocatalyst and copper and silver as an antibacterial catalyst is atomized into nanoparticles by ultrasonic waves and sprayed indoors for a certain period of time. It has the effect of preventing infections by removing it immediately and permanently.

According to the present invention, since it is an infection-preventing agent containing titanium oxide as a photocatalyst, copper as an antibacterial catalyst, silver as an antibacterial catalyst, and povidone iodine, mold bacteria and viruses can be removed immediately and permanently. It has the effect of providing drugs that can prevent infectious diseases.

It is a schematic diagram explaining the implementation situation of this method. It is a process diagram of the construction method in the case of no cloth replacement. It is a process drawing which shows the construction method in the case of having a cloth replacement. It is a figure of virus removal and sterilization comparison. It is a figure of comparison of virus removal ability. It is a schematic diagram which shows the inactivation of copper ion. It is a schematic diagram which shows the inactivation of copper ion and nanotitanium oxide.

An embodiment of the present invention will be described with reference to the drawings.
[Outline of Embodiment]
In the infection control method (the present method) according to the embodiment of the present invention, a drug containing titanium oxide as a photocatalyst and copper and silver as an antibacterial catalyst is atomized into nanoparticles by ultrasonic waves and sprayed indoors for a certain period of time. Therefore, it is possible to prevent infectious diseases by removing molds and viruses immediately and permanently.

Further, the agent according to the embodiment of the present invention (the agent) contains titanium oxide as a photocatalyst, copper as an antibacterial catalyst, silver as an antibacterial catalyst, and povidone iodine having a bactericidal effect. , It is possible to provide a drug capable of preventing an infectious disease by removing the virus immediately and permanently.

[Outline of this method: FIG. 1] Diagram of spraying with a fumigation device Next, this method will be described with reference to FIG. 1. FIG. 1 is a schematic diagram illustrating an implementation status of this method.
This method uses a chemical containing titanium oxide as a photocatalyst and copper and silver as an antibacterial catalyst, and the chemical is atomized into a mist of nanoparticles by ultrasonic waves using the ultrasonic spraying device 1 shown in FIG. 1 for a certain period of time. It is sprayed indoors.
Nanoparticles are particles with a size on the order of nanometers (nm), and generally refer to particles with a size of one to several hundred nm.

The ultrasonic spraying device 1 includes an ultrasonic generator 11 that accommodates a drug and generates an ultrasonic wave, and a sprayer 12 that atomizes the drug into a fine mist of nanoparticles by the generated ultrasonic wave.
Depending on the size of the room, the drug is sprayed indoors for several hours (for example, about 1 to 2 hours).
The chemical to be sprayed contains water as a main component and povidone iodine.

In this method, by spraying the chemicals using the ultrasonic spraying device 1, the chemicals can be effectively adhered to walls, ceilings, floors, furniture, etc., and the entire interior is coated with the chemicals. Even if you touch the table or wall with your hand with the virus, the virus cells can be killed and inactivated.

[Construction method: Figures 2 and 3]
Next, the construction method using this method will be described with reference to FIGS. 2 and 3. FIG. 2 is a process diagram of a construction method without cloth replacement, and FIG. 3 is a process diagram showing a construction method with cloth replacement.

[Construction method without cloth replacement: Fig. 2]
As for the construction method in the case of no cloth replacement, the construction range is determined as shown in FIG. 2 (S11). For the construction range, a bacterial count test is performed using a tester that detects the bacterial count, and the required construction range is determined. If mold transfer is found in various places, the following mold removal will be applied to the entire space.

Next, the mold removal work is carried out for the generated mold (S12). The work is carried out using a sprayer as a fungicide.
Then, a wiping operation is carried out (S13), and drying is performed (S14).

Next, antifungal work for finishing is performed (S15), and this method is further executed (S16).
If the cloth is not replaced, the above work process is performed to remove mold and prevent the growth of mold, and the finish is coated with a coating that prevents the adhesion of mold and virus bacteria by this method. It can prevent the disease.

[Construction method when cloth is replaced: Fig. 3]
As shown in FIG. 3, the construction method in the case of having the cloth replaced is determined in the same manner as in FIG. 2 (S21).
Then, the work of peeling off the cloth is carried out (S22). If it's bad enough to peel off the cloth, it's basically the whole room.

Next, the mold removal work is carried out for the generated mold (S23). In this work, the fungicide is sprayed using a sprayer.
Then, a wiping operation is carried out (S24), and drying is performed (S25).

Next, an antifungal work for the base is carried out (S26), and a cloth replacement work is carried out (S27). The antifungal work for the base is performed by applying an antifungal agent.
Then, antifungal work for cloth is performed (S28), and this method is further executed (S29). The antifungal work for cloth is performed by applying an antifungal agent.

When replacing the cloth, perform the work in the above work process, remove the mold by peeling off the cloth to prevent the generation of mold, and perform the mold prevention work even after the cloth is replaced, and finish by this method. Infectious diseases can be prevented by applying a coating that prevents the adhesion of mold fungi and viruses.

[Contents of this drug]
Next, the contents of this drug will be specifically described.
This drug contains water (H ₂ O) as a mixture, titanium oxide (TIO ₂ ) as a photocatalyst, povidone iodine (polyvinylpyrrolidone iodide) having a bactericidal effect, copper (Cu) as an antibacterial catalyst, and silver (Ag) as an antibacterial catalyst. ) And is included.

Copper sulfate (CuSO ₄ ) is specifically used as the copper of the antibacterial catalyst, and silver colloid is specifically used as the silver of the antibacterial catalyst. Silver is generally antibacterial and copper is antifungal.

The content of the mixture is 90% or more and 95% or less for water, about 5% for titanium oxide, less than 5% for povidone iodine, and less than 1% for silver colloid and copper sulfate.

The drug used in this method, this drug, is atomized by the ultrasonic spraying device 1 into a fine mist by ultrasonic waves, and the particles of the photocatalyst of the sprayed drug are minimized to the nano level, so that when the drug is sprayed. It was possible to greatly improve the construction accuracy of.

[Characteristics of this drug: Figures 4 and 5]
Next, the characteristics of this drug will be described with reference to FIGS. 4 and 5. FIG. 4 is a diagram for comparing virus removal and sterilization, and FIG. 5 is a diagram for comparing virus removal ability.
FIGS. 4 and 5 compare this drug with other methods or other materials and are intended to explain the characteristics of this drug.

[Comparison of virus removal and sterilization: Fig. 4]
As shown in FIG. 4, the virus removal / sterilization comparison shows alcohol disinfection and ozone / chlorine dioxide as other methods or materials.
The comparison items are "sustainability", "effect on the surface of an object", "effect on space", "processable virus", "processable range", and "safety on the human body".
It should be noted that this drug has been maintained for a long time with "sustainability" and almost all of them are "processable bacteria", indicating that it is effective in removing virus countermeasures.

[Comparison of virus removal ability: Fig. 5]
As shown in FIG. 5, the virus removal capacity comparison shows alcohol disinfection and ozone / chlorine dioxide as other methods or materials.
The comparison items are "coronavirus (pig PED virus)", "norovirus (feline calicivirus)", "influenza virus", and "athlete's foot bacterium (tinea bacillus)".
It can be seen that this drug has the ability to remove all viruses and bacteria as well as ozone / chlorine dioxide.

[Application example: Figures 6 and 7]
An application example of this drug will be described with reference to FIGS. 6 and 7. FIG. 6 is a schematic diagram showing inactivation by copper ions, and FIG. 7 is a schematic diagram showing inactivation by copper ions and nanotitanium oxide.
It has been described that this drug contains titanium oxide as a photocatalyst and copper and silver as an antibacterial catalyst, and the drug is sprayed as a mist of nanoparticles by the ultrasonic waves of the ultrasonic sprayer 1. The effect can be further improved by using silver as copper ion and silver ion.

The titanium oxide is nano-order nano-titanium oxide having a diameter of 0 to 100 nanometers, and in this drug, nano-titanium oxide having a diameter of 1 to 20, preferably 6 nanometers is used.

The antibacterial catalysts copper and silver ions dissolved in water and nanotitanium oxide as a photocatalyst are used in this drug.
In particular, with copper alone, it takes about 4 hours to inactivate the virus because copper slowly dissolves in the water in the air, but if the copper particles are made into copper ions, oxygen is oxygen as shown in FIG. Active oxygen is generated in response to the above, and the virus can be inactivated in about 15 minutes after the virus adheres.

Further, by combining the copper ion of the antibacterial catalyst and the nanotitanium oxide of the photocatalyst, as shown in FIG. 7, the virus can be inactivated in about 1 minute after the virus adheres.
Here, the copper ion concentration is set to 500 PPM or more and 3000 PPM or less. The higher the concentration, the more antifungal effect.
As antibacterial and antiviral properties, copper ions are effective against viruses, large bacteria and fungi, and silver ions are effective against small bacteria.

[Effect of embodiment]
According to this method, a chemical containing titanium oxide as a photocatalyst and copper and silver as an antibacterial catalyst is atomized into a mist of nanoparticles by an ultrasonic wave in the ultrasonic spraying device 1 and sprayed indoors for a certain period of time. It has the effect of preventing infectious diseases by removing molds and viruses immediately and permanently.

According to this drug, it contains titanium oxide as a photocatalyst, copper as an antibacterial catalyst, silver as an antibacterial catalyst, and povidone iodine having a bactericidal effect, so that mold bacteria and viruses can be removed immediately and permanently. It has the effect of providing drugs that can prevent infectious diseases.

According to this drug, nano-order nanotitanium oxide with a diameter of 100 nanometers or less is contained as a photocatalyst, and copper ions having a concentration of 500 PPM or more and 3000 PPM or less are contained as an antibacterial catalyst. And it has the effect of being able to provide a drug that can be permanently removed to prevent infectious diseases.

The present invention is suitable for infection control methods and agents that immediately and permanently remove fungi and viruses to prevent infectious diseases.

1 ... ultrasonic atomizer, 11 ... ultrasonic generator, 12 ... atomizer

Claims (4)

An infection prevention method characterized by atomizing a drug containing titanium oxide as a photocatalyst and copper and silver as an antibacterial catalyst into a mist of nanoparticles by ultrasonic waves and spraying them indoors for a certain period of time. The infection control method according to claim 1, wherein the agent to be sprayed contains water as a main component and povidone iodine. A construction method comprising removing mold, wiping, and drying, and then carrying out the infection control method according to claim 1 or 2, when it is not necessary to peel off the cloth indoors. When it is necessary to peel off the cloth indoors, peel off the cloth, remove mold, wipe it off, apply an antifungal agent for the base after drying, and replace the cloth, claim 1 or 2. A construction method characterized by implementing the described infection control method.

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