WO2012133014A1 - Agent de traitement de l'eau et dispositif associé - Google Patents

Agent de traitement de l'eau et dispositif associé Download PDF

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Publication number
WO2012133014A1
WO2012133014A1 PCT/JP2012/057103 JP2012057103W WO2012133014A1 WO 2012133014 A1 WO2012133014 A1 WO 2012133014A1 JP 2012057103 W JP2012057103 W JP 2012057103W WO 2012133014 A1 WO2012133014 A1 WO 2012133014A1
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WIPO (PCT)
Prior art keywords
water
water treatment
treatment material
material according
repellent binder
Prior art date
Application number
PCT/JP2012/057103
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English (en)
Japanese (ja)
Inventor
絹川　謙作
三木　慎一郎
千尋 井
橋本　和仁
香矢乃 砂田
維文 蓑島
Original Assignee
パナソニック株式会社
国立大学法人東京大学
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Application filed by パナソニック株式会社, 国立大学法人東京大学 filed Critical パナソニック株式会社
Publication of WO2012133014A1 publication Critical patent/WO2012133014A1/fr

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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
    • C02F1/505—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment by oligodynamic treatment
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/08—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing solids as carriers or diluents
    • A01N25/10—Macromolecular compounds
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/24—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing ingredients to enhance the sticking of the active ingredients

Definitions

  • the present invention relates to a water treatment material and a water treatment device provided with the water treatment material.
  • Patent Document 1 an ultraviolet light transmitting glass inner tube and a hard glass outer tube are disposed outside the inner tube, and the upper and lower ends of both glass tubes are sealed, and between the inner tube and the outer tube By forming a water flow section and arranging units with groove inlets and outlets above and below the water flow section, by placing sterilization lamps in common to both units inside the inner pipe It is disclosed to construct an ultraviolet water disinfection device for a water purifier.
  • Patent Document 2 discloses a water purifier having an adsorbent provided with a microporous body containing an adsorbent having ion exchange capacity and a hollow fiber membrane module.
  • the present invention has been made in view of the above, and provides a water treatment material having high antibacterial performance and antiviral performance and capable of constituting a simple water treatment device, and a water treatment device provided with the water treatment material.
  • the purpose is to
  • the water treatment material according to the present invention comprises cuprous oxide and a water repellent binder.
  • the surface free energy of the water repellent binder is preferably 40 mJ / m 2 or less.
  • the water repellent binder is preferably a reaction product of a main agent containing at least an acrylic polyol having a side chain containing a polysiloxane skeleton and a curing agent.
  • the water repellent binder is a reaction product of a main agent containing at least an acrylic polyol having a main chain having a fluoroalkyl skeleton or a side chain, and a curing agent.
  • the water repellent binder is a reaction product of a main agent containing at least an acrylic polyol having a side chain containing a polysiloxane skeleton and a fluoroalkyl skeleton, and a curing agent. .
  • the curing agent preferably contains an isocyanate.
  • the curing agent contains an amino resin.
  • the water-repellent binder contains a condensation polymer of a trifunctional or less alkoxysilane.
  • the water treatment apparatus according to the present invention comprises the water treatment material.
  • the water treatment apparatus preferably includes a tank in which the water to be treated is stored, and the water treatment material is provided on the inner surface of the tank.
  • the water treatment apparatus includes a water passage through which the water to be treated flows, and the water treatment material is provided on the inner surface of the water passage.
  • the water treatment apparatus according to the present invention includes a water purification filter, and the water purification material is provided on the water purification filter.
  • the water treatment apparatus which has high antimicrobial performance and antiviral performance, and the water treatment apparatus provided with this water treatment material are obtained.
  • the water treatment material comprises cuprous oxide and a water repellent binder.
  • the water treatment material has, for example, a structure in which cuprous oxide is dispersed in a matrix phase made of a water repellent binder.
  • cuprous oxide is fixed by a water repellent binder.
  • at least a portion of the cuprous oxide contained in the water treatment material is exposed on the surface of the water treatment material.
  • Copper suboxide (copper (I) oxide) has high activity against bacteria and viruses.
  • the water treatment material further includes a water repellent binder in addition to copper suboxide, whereby the antibacterial and antiviral properties of copper suboxide are further improved. Therefore, the water treatment material exhibits very high antibacterial and antiviral performance. The reason is considered to be as follows.
  • Protein molecules constituting bacteria and viruses are polymers having a structure in which an amino acid having a hydrophilic group and an amino acid having a hydrophobic group are bonded.
  • hydrophilic groups and hydrophobic groups are present in a mosaic manner.
  • the hydrophobic groups on the surface of the protein molecule tend to adsorb to hydrophobic groups etc. in other molecules to avoid contact with water molecules.
  • the main factor of the protein adsorption phenomenon is due to the attractive attraction of hydrophobic groups possessed by the protein molecule itself. Therefore, when the water treatment material includes a water repellent binder as in the present embodiment, an interaction attractive force is exerted between the hydrophobic group in the protein molecule and the water repellent binder.
  • the protein is easily adsorbed to the water treatment material.
  • bacteria, viruses and the like are easily adsorbed to the cuprous oxide in the water treatment material. For this reason, it is considered that the antibacterial and antiviral performance by cuprous oxide is improved.
  • the degree of water repellency of the water repellent binder is not limited, it is particularly preferable that the surface free energy of the water repellent binder is 40 mJ / m 2 or less. In this case, the interaction attraction between the protein constituting the bacteria or virus and the water repellent binder is particularly large. For this reason, the antibacterial and antiviral performance of the water treatment material is further improved.
  • the water repellent binder is preferably a reaction product of a main agent containing an acrylic polyol and a curing agent.
  • the proportion of the acrylic polyol in the main agent is preferably in the range of 1 to 100% by mass, and particularly preferably in the range of 10 to 100% by mass. It is also preferred that the main agent is all an acrylic polyol.
  • the acrylic polyol particularly includes at least one of an acrylic polyol having a side chain containing a polysiloxane skeleton, an acrylic polyol having a fluoroalkyl skeleton, and an acrylic polyol having a side chain containing a polysiloxane skeleton and a fluoroalkyl skeleton.
  • an acrylic polyol having a fluoroalkyl skeleton the fluoroalkyl skeleton may be present in the side chain or in the main chain.
  • the water repellent binder is provided with at least one of the polysiloxane skeleton and the fluoroalkyl group.
  • the water repellent binder exhibits high water repellency with excellent durability, and a water repellent binder having a surface free energy of 40 mJ / m 2 or less as described above can also be realized.
  • a water repellent binder having a surface free energy of 40 mJ / m 2 or less as described above can also be realized.
  • the proportion in the main agent is preferably in the range of 1 to 100% by mass, and particularly preferably in the range of 10 to 100% by mass.
  • the proportion in the main agent is preferably in the range of 1 to 100% by mass, and particularly preferably in the range of 10 to 100% by mass.
  • the proportion in the main agent is preferably in the range of 1 to 100% by mass, particularly in the range of 10 to 100% by mass. Is preferred.
  • the ratio of the total amount of the acrylic polyol having a side chain containing a polysiloxane skeleton, the acrylic polyol having a fluoroalkyl skeleton, and the acrylic polyol having a side chain containing a polysiloxane skeleton and a fluoroalkyl skeleton in the main agent is The range of 1 to 100% by mass is preferable, and the range of 10 to 100% by mass is particularly preferable.
  • an acrylic polyol having a side chain containing such a polysiloxane skeleton product number US-270 (hydroxyl group-containing silicone resin, solid content 29% by mass, hydroxyl value 26) manufactured by Toagosei Co., Ltd., etc. may be mentioned .
  • product number US-270 hydroxyl group-containing silicone resin, solid content 29% by mass, hydroxyl value 26
  • hydroxyl value 26 manufactured by Toagosei Co., Ltd., etc.
  • skeleton Lumiflon product number LF200 (A hydroxyl group containing fluorine resin, solid content 60 mass%, the hydroxyl value 32) made from Asahi Glass Co., Ltd., etc. are mentioned.
  • an acrylic polyol having a side chain containing a polysiloxane skeleton and a fluoroalkyl skeleton Part No. ZX-007C (Dimethylsilicon-based / hydroxyl-containing fluorosilicone resin, solid content 35% by mass, manufactured by Fuji Kasei Kogyo Co., Ltd. And hydroxyl value 58).
  • an acrylic polyol is used as the main agent
  • an appropriate curing agent is used.
  • the curing agent preferably contains an isocyanate.
  • the main agent and the curing agent can react at low temperature. For this reason, it becomes easy to form a water treatment material on a member with low heat resistance like a plastic material.
  • the water repellent binder exhibits high water repellency, and bacteria and viruses are more easily adsorbed to the water treatment material. This further improves the antibacterial and antiviral performance of the water treatment material.
  • isocyanate examples include hexamethylene diisocyanate resin (for example, Takenate D-170N, manufactured by Mitsui Chemicals, Inc .; solid content 100% by mass), tolylene diisocyanate resin (for example, Takenate D, manufactured by Mitsui Chemicals, Inc.) 103H: solid content: 50% by mass), xylene diisocyanate, isophorone diisocyanate, and a mixture of two or more of these.
  • the ratio of NCO equivalent of isocyanate to OH equivalent of acrylic polyol is preferably in the range of 0.5 to 3.0, and more preferably in the range of 0.8 to 1.5.
  • the curing agent contains an amino resin.
  • the hardness of the water repellent binder is improved.
  • the antimicrobial property of the water treatment material in water and the sustainability of the antiviral property are improved.
  • the water repellent binder exhibits high water repellency, and bacteria and viruses are more easily adsorbed to the water treatment material. This further improves the antibacterial and antiviral performance of the water treatment material.
  • melamine resin As a specific example of an amino resin, melamine resin (For example, Mitsui Chemicals, Inc. make, brand name Yuvan 228; solid content 60 mass%) is mentioned.
  • the mass ratio of the solid content of the amino resin to the solid content of the acrylic polyol is preferably in the range of 0.1 to 0.8, and more preferably in the range of 0.3 to 0.5.
  • the water repellent binder contains a condensation product of a trifunctional or less alkoxysilane.
  • the water repellent binder when the water repellent binder is provided with a condensation polymer of alkoxysilane, the water repellent binder exhibits high water repellency with excellent durability. Therefore, a water repellent binder having a surface free energy of 40 mJ / m 2 or less as described above can also be realized.
  • bacteria and viruses can be more easily adsorbed to the water treatment material. This further improves the antibacterial and antiviral performance of the water treatment material.
  • trifunctional or lower alkoxysilane examples include methyltriethoxysilane, methyl silicone alkoxy oligomer, methylphenyl silicone alkoxy oligomer and the like.
  • the cuprous oxide is preferably particulate.
  • the particle size of the cuprous oxide is set appropriately.
  • the ratio of cuprous oxide to the water repellent binder in the water treatment material is appropriately set, but the mass ratio of the cuprous oxide to the water repellent binder is preferably in the range of 1:99 to 99: 1, and 20: More preferably, it is in the range of 80 to 80:20.
  • the water treatment material is obtained by molding and curing a composition containing a water-repellent binder material and cuprous oxide.
  • This composition contains, for example, copper suboxide, and can further contain a main agent containing the above-mentioned acrylic polyol as a raw material of a water repellent binder and a curing agent.
  • the composition may further contain an appropriate organic solvent and other additives as required.
  • the composition may contain, for example, copper suboxide, and may further contain at least one selected from the above trifunctional alkoxysilane and its partial hydrolytic condensate as a water-repellent binder material.
  • the composition may further contain water, an acid catalyst or an alkali catalyst, an appropriate organic solvent, and other additives, as required.
  • a water treatment material is obtained by molding such a composition, and further curing by being subjected to a treatment such as heating according to the composition of the composition and the like.
  • the water treatment apparatus 1 includes the water treatment material as described above.
  • FIG. 1 shows an example of the configuration of the water treatment apparatus 1.
  • the water treatment apparatus 1 includes a water passage 2 through which the water 7 to be treated flows. An inlet 5 to which the water 7 to be treated is supplied is formed at one end of the water passage 2, and an outlet 6 for discharging the water treated by the water treatment apparatus 1 is formed at the other end of the water passage 2 There is.
  • a tank 3 for storing the water 7 to be treated and a water purification filter 4 for purifying the water 7 to be treated are provided in the middle of the water passage 2, a tank 3 for storing the water 7 to be treated and a water purification filter 4 for purifying the water 7 to be treated are provided.
  • the water treatment apparatus 1 may further include a pump for causing the flow of water in the water flow passage 2, a valve for opening and closing the flow of water at an appropriate position of the water flow passage 2, and the like.
  • Such a water treatment apparatus 1 includes a water treatment material, bacteria and viruses present in the water 7 to be treated can be adsorbed to the water treatment material and easily inactivated.
  • a water treatment material is provided on the inner surface of the tank 3 in the water treatment apparatus 1.
  • the inner surface of the tank 3 is preferably coated with a water treatment material.
  • a composition containing a water-repellent binder material and cuprous oxide is applied to the inner surface of the tank 3, and the inner surface of the tank 3 is coated with a water treatment material by curing the composition. Is preferred.
  • the water treatment material be contained in the structural material that constitutes the inner surface of the tank 3.
  • the inner surface of the tank 3 can be configured, for example, by mixing granular water treatment material into the raw material of the structural material constituting the inner surface of the tank 3 and molding the raw material of the structural material.
  • the granular water treatment material is embedded in the structural material constituting the inner surface of the tank 3, and the water treatment material is provided on the inner surface of the tank 3 by exposing the water treatment material to the inner surface of the tank 3. .
  • a water treatment material be provided on the inner surface of the water passage 2 in the water treatment apparatus 1.
  • a composition containing a water-repellent binder material and cuprous oxide is applied on the inner surface of water passage 2, and the composition is cured to form a water treatment material on the inner surface of water passage 2. It is preferable to coat with.
  • bacteria and viruses in the water flowing through the water passage 2 can be adsorbed to the water treatment material and inactivated.
  • the water purification material in the water treatment apparatus 1 be provided with a water treatment material.
  • a water treatment material it is preferable to apply a water treatment material to the water purification filter 4 by, for example, applying a composition containing a water repellent binder material and copper suboxide to the water purification filter 4 and curing the composition.
  • a water treatment material may be provided for each of the tank 3, the water flow passage 2 and the water purification filter 4, and of the tank 3, the water passage 2 and the water purification filter 4
  • a water treatment material may be provided for each of the one or two elements.
  • the structure of the water treatment apparatus 1 is not restricted to what is equipped with the above tanks 3, the water flow path 2, and the clean water filter 4.
  • Example 1 Acrylic polyol having a side chain including a polysiloxane skeleton (polydimethylsiloxane skeleton) and a fluoroalkyl group as a main agent (Fuji Kasei Kogyo Co., Ltd., product number ZX-022H; dimethyl silicon group / hydroxy group-containing fluorine silicone resin, solid The mass was 46% by mass, and the hydroxyl value was 120).
  • hexamethylene diisocyanate resin manufactured by Mitsui Chemicals, Inc., trade name Takenate D-170N; solid content 100% by mass
  • Copper (I) oxide fine particles (manufactured by Wako Pure Chemical Industries, Ltd.) were prepared as copper suboxide.
  • Methyl ethyl ketone was prepared as a solvent. The amounts of raw materials used are as shown in Table 1.
  • cuprous oxide was added to the main agent, these were dispersed and mixed with a stirrer. Subsequently, the curing agent and the solvent were added to these and mixed. This gave a composition.
  • the proportion of cuprous oxide to the total solid content of the composition was 50% by mass.
  • Borosilicate crown glass manufactured by Sumita Optical Glass Co., Ltd., product number BK7; thickness 2 mm
  • the composition was applied on this substrate by a bar coater (# 20) and dried at a temperature of 150 ° C. for 10 minutes to form a water treatment material on the substrate.
  • Example 2 the main agent is an acrylic polyol having a side chain containing a polysiloxane skeleton and no fluoroalkyl group (Toho Gosei Co., Ltd., product number GS-1015; hydroxyl group containing resin, solid content 45% by mass, hydroxyl value Changed to 72).
  • the amounts of raw materials used were as shown in Table 1.
  • a water treatment material was formed on the substrate in the same manner and under the same conditions as in Example 1 except for the above.
  • Example 3 In Example 1, the main agent was changed to an acrylic polyol having a fluoroalkyl group (manufactured by DIC Corporation, trade name: Fluonate K-703; hydroxyl group-containing fluororesin, solid content 60 mass%, hydroxyl value 66 to 78). The amounts of raw materials used were as shown in Table 1.
  • a water treatment material was formed on the substrate in the same manner and under the same conditions as in Example 1 except for the above.
  • Example 4 In Example 1, the curing agent was changed to a melamine resin (manufactured by Mitsui Chemicals, Inc., trade name: U-van 225; solid content 60% by mass). The amounts of raw materials used were as shown in Table 1.
  • a water treatment material was formed on the substrate in the same manner and under the same conditions as in Example 1 except for the above.
  • Example 5 Methyltrimethoxysilane (manufactured by Shin-Etsu Silicone Co., Ltd., product number KBM-13), methyl alcohol, and copper (I) oxide fine particles (manufactured by Wako Pure Chemical Industries, Ltd.) were prepared. The amounts of these raw materials used were as shown in Table 1. Furthermore, an appropriate amount of 0.1 N nitric acid aqueous solution was prepared.
  • composition was prepared by adding copper (I) oxide microparticles to this trifunctional alkoxysilane partial hydrolyzate solution and stirring them with a stirrer.
  • Borosilicate crown glass manufactured by Sumita Optical Glass Co., Ltd., product number BK7; thickness 2 mm
  • the composition was applied on this substrate by a bar coater (# 20) and dried at a temperature of 150 ° C. for 10 minutes to form a water treatment material on the substrate.
  • Example 6 A 200 mL glass container was prepared. The container was cleaned by degreasing followed by alkaline cleaning and further neutralization. Subsequently, the composition shown in Example 5 was poured into the container and gently stirred, and then the excess composition was discharged to coat the surface of the container. The glass container was provided with a water treatment material on the inner surface by heating it for 30 minutes at 150 ° C. and drying and curing it.
  • Example 7 A glass tube having an outer diameter of 7 mm and an inner diameter of 5 mm was prepared. The glass tube was cleaned by alkaline cleaning followed by neutralization. Subsequently, the inner wall of the glass tube was coated by repeating pouring the composition described in Example 5 into the glass tube several times. It was heated at 150 ° C. for 30 minutes to be dried and cured to obtain a glass tube provided with a water treatment material on the inner surface.
  • Comparative Example 1 the main agent is an acrylic polyol (manufactured by DIC Corporation, product number 52-668BA; solid content 45% by mass, hydroxyl value 24) having neither a side chain containing a polysiloxane skeleton nor a fluoroalkyl skeleton. changed.
  • the amounts of raw materials used are as shown in Table 1.
  • a water treatment material was formed on the substrate in the same manner and under the same conditions as in Example 1 except for the above.
  • Comparative Example 2 A 200 mL glass container was prepared. The container was cleaned by degreasing, alkaline cleaning and neutralization.
  • a composition containing no cuprous oxide was prepared in the same manner as the method of preparing the composition in each of Examples 1 to 5 and Comparative Example 1 except that cuprous oxide was not used.
  • This composition containing no cuprous oxide is coated on a base material (borosilicate crown glass, manufactured by Sumita Optical Glass Co., Ltd., product number BK7; thickness 2 mm) with a bar coater (# 20), and further at a temperature of 150 ° C. By drying for a minute, a layer of binder was formed on the substrate.
  • a base material borosilicate crown glass, manufactured by Sumita Optical Glass Co., Ltd., product number BK7; thickness 2 mm
  • the contact angle of the measurement solution (using water and diiodomethane) on this binder was measured using a contact angle meter (Model No. DM500, manufactured by Kyowa Interface Science Co., Ltd.). Based on this result, the surface free energy of the binder was calculated using the following equation.
  • a solution containing E. coli was obtained by adding 100 mL of sterilized pure water and 1 mL of E. coli solution (pre-culture (37 ° C./1 day), adding 2 platinum loops to 10 mL of sterilized pure water and stirring. Then, each of the container provided with the water treatment material obtained in Example 6 and the container in Comparative Example 2 was charged and allowed to stand for 10 minutes, and then the antibacterial activity value for E. coli in the solution in each container was measured. The plate dilution method was evaluated.

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Toxicology (AREA)
  • Pest Control & Pesticides (AREA)
  • Dentistry (AREA)
  • Wood Science & Technology (AREA)
  • Agronomy & Crop Science (AREA)
  • Plant Pathology (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Filtering Materials (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

Cette invention concerne un agent de traitement de l'eau capable d'une forte performance antibactérienne et performance antivirale et qui permet d'utiliser un dispositif de traitement de l'eau simple. L'agent de traitement de l'eau selon l'invention comprend de l'oxyde cuivreux et un liant hydrofuge.
PCT/JP2012/057103 2011-03-31 2012-03-21 Agent de traitement de l'eau et dispositif associé WO2012133014A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011079643A JP2012213689A (ja) 2011-03-31 2011-03-31 水処理材及び水処理装置
JP2011-079643 2011-03-31

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WO2012133014A1 true WO2012133014A1 (fr) 2012-10-04

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3935946A1 (fr) * 2020-07-06 2022-01-12 AgXX Dispositif de réduction des microorganismes actifs dans des fluides

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JP2003238886A (ja) * 2002-02-14 2003-08-27 Kansai Paint Co Ltd 防汚塗料組成物
JP2007314607A (ja) * 2006-05-23 2007-12-06 Matsushita Electric Works Ltd 撥水・撥油性樹脂組成物及び塗装品
JP2009127384A (ja) * 2007-11-27 2009-06-11 Panasonic Electric Works Co Ltd キッチンの排水口

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000026217A (ja) * 1998-07-10 2000-01-25 Ihara Chem Ind Co Ltd 水中付着生物防汚剤
JP2003238886A (ja) * 2002-02-14 2003-08-27 Kansai Paint Co Ltd 防汚塗料組成物
JP2007314607A (ja) * 2006-05-23 2007-12-06 Matsushita Electric Works Ltd 撥水・撥油性樹脂組成物及び塗装品
JP2009127384A (ja) * 2007-11-27 2009-06-11 Panasonic Electric Works Co Ltd キッチンの排水口

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3935946A1 (fr) * 2020-07-06 2022-01-12 AgXX Dispositif de réduction des microorganismes actifs dans des fluides

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