WO2006006594A1 - 抗菌性組成物、抗菌性成形体、抗菌性組成物含有溶液、洗浄剤、畳表および畳 - Google Patents
抗菌性組成物、抗菌性成形体、抗菌性組成物含有溶液、洗浄剤、畳表および畳 Download PDFInfo
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- WO2006006594A1 WO2006006594A1 PCT/JP2005/012834 JP2005012834W WO2006006594A1 WO 2006006594 A1 WO2006006594 A1 WO 2006006594A1 JP 2005012834 W JP2005012834 W JP 2005012834W WO 2006006594 A1 WO2006006594 A1 WO 2006006594A1
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- antibacterial
- antibacterial composition
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
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- 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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
-
- 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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/74—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,3
- A01N43/78—1,3-Thiazoles; Hydrogenated 1,3-thiazoles
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- 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
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/16—Heavy metals; Compounds thereof
-
- 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
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/16—Heavy metals; Compounds thereof
- A01N59/20—Copper
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/04—Antibacterial agents
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/06—Phosphates, including polyphosphates
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/12—Water-insoluble compounds
- C11D3/1226—Phosphorus containing
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/12—Water-insoluble compounds
- C11D3/124—Silicon containing, e.g. silica, silex, quartz or glass beads
- C11D3/1246—Silicates, e.g. diatomaceous earth
- C11D3/128—Aluminium silicates, e.g. zeolites
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/26—Organic compounds containing nitrogen
- C11D3/28—Heterocyclic compounds containing nitrogen in the ring
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/48—Medical, disinfecting agents, disinfecting, antibacterial, germicidal or antimicrobial compositions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
- B32B2307/7145—Rot proof, resistant to bacteria, mildew, mould, fungi
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2471/00—Floor coverings
- B32B2471/04—Mats
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
Definitions
- Antibacterial composition antibacterial molded article, antibacterial composition-containing solution, cleaning agent, tatami mat and tatami mat
- the present invention relates to an antibacterial composition containing an organic antibacterial agent and an inorganic antibacterial agent, an antibacterial molded article provided with the antibacterial composition, an antibacterial composition-containing solution, a cleaning agent, a tatami mat and Concerning tatami mats.
- the organic antibacterial agents blended in the coconut oil include jodomethyl mono-p-trisulfone, 2, 4, 5, 6-tetrachloro-isophthalanol ditrinole, 2, 3, 5, 6-tetraclo-mouth.
- 4-Methylenosulfonyl pyridine, 2-methyl-4-isothiazoline-3-one, 2-n-octyl-4-isothiazoline-1-3-one, 2- (4-thiazolyl) monobenzimidazole and the like are known.
- inorganic antibacterial agents include inorganic compounds such as cuprous oxide, copper, zinc sulfate, and copper-nickel alloys, those in which a metal is supported on an inorganic substance such as calcium phosphate and zeolite, and titanium oxide. And the like utilizing the photocatalytic function such as.
- composite organic antibacterial compositions comprising a plurality of organic antibacterial agents as constituents are being studied.
- antibacterial compositions containing nitrile antibacterial agents, pyridine antibacterial agents, haloalkylthio antibacterial agents, organic iodine antibacterial agents, thiazole antibacterial agents, and benzimidazole antibacterial agents are provided. (For example, Patent Document 1).
- Patent Document 2 is an inorganic substance having an antibacterial / antifungal / algae-proofing action comprising a metal component such as silver, copper, or zinc and an inorganic acid other than the metal component. It contains oxide fine particles and at least one of an organic antibacterial / antifungal 'algae suppressant of at least one of a thiazole compound and an imidazole compound.
- the inorganic oxide fine particles have an average particle diameter of 500 nm or less due to the influence on dispersibility and surface color of the object to be processed.
- the content of inorganic oxide fine particles is set to 0.001% by weight or more for the combined effect.
- Patent Document 1 JP-A-8-92012 ([Claim 2], [0030])
- Patent Document 2 Japanese Patent Application Laid-Open No. 2004-339102 (Page 4 to Page 10)
- inorganic antibacterial agents have antibacterial effects while supporting metals such as silver and copper to suppress elution, and these are not problematic from the viewpoint of safety.
- metals such as silver and copper to suppress elution
- the antibacterial effect requires direct contact between the bacteria and the antibacterial agent.
- some metals may exhibit antibacterial activity due to the generation of active oxygen. Light energy is required to generate active oxygen, or the generated active oxygen can be easily eliminated by organic substances other than bacteria. Therefore, the antibacterial effect was not enough.
- the antibacterial composition since the antibacterial composition is used in the living environment, for example, it adheres to the skin when the antibacterial composition is applied to an object to be treated, or the antibacterial composition. It is necessary to use chemicals that do not affect the human body, such as rashes, even if the user touches the molded body on which the product is applied or contained. In addition, when a molded article coated with or containing an antibacterial composition is incinerated, for example, it is necessary to use a chemical agent that does not generate harmful substances such as dioxin.
- one of the objects of the present invention is an antibacterial composition that is excellent in initial antibacterial performance and durability of antibacterial performance, has many types of fungi that can be handled, and has no problem in terms of safety.
- An antibacterial molded article provided with the antibacterial composition, an antibacterial composition-containing solution, a cleaning agent, a tatami mat and a tatami mat.
- Another object of the present invention is to provide an antibacterial composition, an antibacterial molded article, and an antibacterial composition that have many kinds of microorganisms that exhibit an antibacterial action and have an effective antibacterial action and do not affect the human body or the environment! It is to provide a containing solution, a cleaning agent, a tatami mat and a tatami mat.
- the antibacterial composition of the present invention is characterized by containing an organic antibacterial agent and an inorganic antibacterial agent.
- the antibacterial composition of the present invention employs a constitution containing an organic antibacterial agent and an inorganic antibacterial agent. Therefore, the types of fungi that can be used with a wide antibacterial spectrum are dramatically increased, and the antibacterial effect is excellent.
- the addition of an inorganic antibacterial agent improves the initial antibacterial performance and the sustainability of the antibacterial effect, and also reduces the amount of elution, so that environmental pollution can be suitably suppressed, and safety is ensured. It will also be excellent in performance.
- the antibacterial composition of this invention is suitable for the mixing
- antibacterial refers to an antibacterial effect, an antifungal effect, and an antialgal effect in addition to the antibacterial effect itself when the growth and reproduction of fungi such as fungi and bacteria are inhibited. And! /, Including the tatsu.
- the above-mentioned inorganic antibacterial agent is a metal-supported zirconium or a salt thereof! / ⁇ is preferably a zeolite or a silver phosphate-supported zinc phosphate. Particularly preferred is -um or a salt thereof.
- zirconium or a salt or zeolite supporting a metal particularly zirconium phosphate or a salt or zeolite supporting silver or copper, is used, so that it is safe for the human body.
- excellent antibacterial speed In addition, the antibacterial composition is excellent in durability of antibacterial performance.
- the inorganic antibacterial agent is at least one of a silver antibacterial agent and acid zinc oxide! /.
- the inorganic antibacterial agent at least one of a silver antibacterial agent and an acid zinc oxide that can achieve a synergistic effect with an imidazole organic antibacterial agent is used. Easy to get.
- a silver antibacterial agent and acid-zinc in combination, the antibacterial effect of silver-based antibacterial agent and acid-zinc itself can be used in combination with these same inorganic antibacterial agents. An effect is also obtained, and a more remarkable antibacterial property is easily obtained.
- the silver-based antibacterial agent is preferably zirconium carrying silver or a salt thereof or zeolite.
- zirconium carrying silver or a salt thereof or zeolite is used as a silver-based antibacterial agent, so that silver, which is a noble metal, is the minimum amount necessary to exert an antibacterial action.
- the antibacterial action by the inorganic antibacterial agent can be obtained efficiently, and the synergistic effect of the antibacterial action with the organic antibacterial agent can be obtained, and the cost can be easily reduced.
- the inorganic antibacterial agent is a mixture ratio power of zirconium or a salt or zeolite of the silver supported thereon and the zinc oxide in a mass ratio of 1: 1 to 1:10. It is preferable that it exists.
- zirconium or its salt or zeolite supporting silver is used in combination with zinc oxide, so that even the same inorganic antibacterial agent can provide a synergistic effect of antibacterial action by the combined use, and more remarkable antibacterial properties. Is obtained.
- the amount of silver used as a precious metal without compromising the synergistic effect of the antibacterial effect of the inorganic antibacterial agent itself, the antibacterial effect of the combined use of the inorganic antibacterial agent, and the antibacterial effect of the organic antibacterial agent This reduces the cost and facilitates cost reduction.
- the mixing ratio of zirconium supporting silver or a salt thereof or zeolite and zinc oxide is 1: 1 to 1:10 by mass ratio, the silver can be appropriately treated without impairing antibacterial properties. The amount of use is reduced.
- the mixing ratio of zirconium or a salt thereof supporting silver or zeolite and acid / zinc is less than 1: 1 by mass ratio, the amount of silver used is reduced. A significant cost reduction can be obtained. In addition, discoloration due to silver acid may cause a problem. On the other hand, if the amount of acid zinc is larger than 1:10 by mass ratio, it may be difficult to obtain a sufficient antibacterial action by silver. Accordingly, it is preferable that the mixing ratio of zirconium carrying silver or a salt thereof or zeolite and zinc oxide is 1: 1 to 1:10 by mass ratio.
- the organic antibacterial agent described above is preferably a pyridine antibacterial agent and a benzimidazole antibacterial agent, and the pyridine antibacterial agent is 2-mercapto pyridine N oxide. It is sodium and the benzimidazole antibacterial agent is at least one of carbendazim (methyl 1H-2-benzimidazole carbamate) and thiabendazole (2- (4 thiazolyl) 1H benzoimidazole). Is particularly preferred.
- a pyridine antibacterial agent and a benzimidazole antibacterial agent when used in combination as an organic antibacterial agent, they exhibit antibacterial properties against microorganisms that are not effective in each component due to a synergistic effect. Can do.
- antibacterial properties include 2-mercaptopyridine-sodium N-oxide as a pyridine antibacterial agent, carbendazim (methyl 1H-2-benzimidazole carbamate) and thiabendazole (2- ( 4 thiazolyl) and 1H benzimidazole) are more suitably used when at least one of them is adopted.
- the above-mentioned organic antibacterial agent is selected from two types selected from benzimidazole antibacterial agents.
- the benzoimidazole antibacterial agent is in the benzimidazole ring.
- 2- (4 thiazolyl) 1H benzoimidazole, benzoate and benzoimidazole ring are preferred to have a thiazolyl group and those having a carbamate group in the benzimidazole ring.
- the compound having a carbamate group in the imidazole ring methyl 2-benzoimidazole carbamate is particularly preferable.
- the antibacterial composition according to the present invention preferably comprises at least two kinds selected from imidazole organic antibacterial agents and an inorganic antibacterial agent.
- At least two types of imidazole organic antibacterial agents and inorganic antibacterial agents are used in combination, in particular, at least two types of imidazole organic antibacterial agents only (two of the same system) and inorganic Because it is used in combination with an antibacterial agent, skin irritation is not observed, and the synergistic effect of the low culm minimum growth element concentration (MIC value) is significantly broader, providing an antibacterial spectrum, and high antibacterial activity efficiently. Is easily obtained.
- MIC value low culm minimum growth element concentration
- antibacterial effect refers to an antibacterial effect, an antifungal effect, and an antialgal effect in addition to the antibacterial effect itself when the growth and reproduction of fungi such as fungi and bacteria are inhibited. It also includes the tatsu.
- a mixing ratio of the imidazole organic antibacterial agent and the inorganic antibacterial agent is 1: 1 to 5: 1 by mass ratio.
- the mixing ratio of the imidazole organic antibacterial agent and the inorganic antibacterial agent is 1: 1 to 5: 1 in mass ratio, so that the antibacterial property of the organic antibacterial agent or the inorganic antibacterial agent itself Together with the action, a synergistic effect of remarkable antibacterial action can be appropriately obtained by the combined use of an organic antibacterial agent and an inorganic antibacterial agent.
- the organic antibacterial agent and the inorganic antibacterial agent are mixed at a mass ratio of less than 1: 1, the antibacterial spectrum may not be expanded with a small MIC value. There is.
- the amount of organic antibacterial agent is greater than 5: 1 by mass, the proportion of organic antibacterial agents that are slow in initial antibacterial performance and easy to reduce the durability of antibacterial performance is higher than that of inorganic antibacterial agents. Initial strength Stable and remarkable antibacterial properties may not be obtained over a long period of time. Therefore, it is preferable that the mixing ratio of the benzimidazole organic antibacterial agent and the inorganic antibacterial agent is 1: 1 to 5: 1 by mass ratio.
- the organic antibacterial agent and the inorganic antibacterial agent described above are preferably substantially free of halogen.
- the antibacterial composition can be made halogen-free (non-halogen), and the antibacterial composition Dioxin is not generated even when the product is incinerated, and it is possible to prevent the mold from being corroded when the molded article is formed by adding the antibacterial composition to the resin. it can.
- halogen component halogen atom
- “substantially” means that a very small amount of a halogen component (halogen atom) was intentionally present in the components of the antibacterial composition within a range that does not affect the effect of the present invention. It is a concept that includes things.
- the halogen compound is not contained and is substantially insoluble in water.
- the antibacterial composition of the present invention described above does not contain a halogen compound and is substantially insoluble in water, thereby temporarily including the antibacterial composition of the present invention and this antibacterial composition. Even if the molded body or solution is heated for incineration, there is no inconvenience such as generation of harmful substances such as dioxin. In addition, since it is insoluble in water, it can be mixed well with rosin materials that have no inconvenience, such as being unable to provide stable antibacterial properties for a long period of time even under operating conditions such as exposure to rain dew. Therefore, it is easy to provide a molded product having the above, and versatility can be easily improved.
- the content of the inorganic antibacterial agent is preferably 0.1% by mass or more and 70% by mass or less based on the entire composition.
- the content ratio of the inorganic antibacterial agent relative to the whole antibacterial composition is within a specific range, it is possible to improve the initial antibacterial properties and the durability of the antibacterial properties.
- the effects of the present invention can be exhibited to the maximum, and the effects of the present invention described above can be exhibited more suitably.
- the antibacterial molded article of the present invention is characterized by comprising the above-described antibacterial composition of the present invention.
- the antibacterial molded article described in the present invention contains the above-described antibacterial composition of the present invention. It is characterized by.
- the antibacterial composition described above since the antibacterial composition described above is contained, an extremely wide antibacterial spectrum can be obtained even with a low MIC value due to a synergistic effect without affecting the human body and the environment in the present invention. ! ⁇ When antibacterial action is easily obtained! Since a molded product exhibiting a wrinkle effect can be provided and the molded product itself exhibits remarkable antibacterial properties, it can be easily used.
- the antibacterial molded article of the present invention described above preferably contains the antibacterial composition at 0.01% by mass or more and 10.0% by mass or less.
- the content of the antibacterial composition is 0.01% by mass or more and 10.0% by mass or less, for example, a molded article that exhibits remarkable antibacterial properties without impairing properties such as strength and appearance. Can be provided.
- the content of the antibacterial composition is less than 0.01% by mass, it is difficult to obtain an expansion of the antibacterial spectrum with a small MIC value, and there is a possibility that sufficient antibacterial properties cannot be exhibited.
- the content of the antibacterial composition is more than 10.0% by mass, there may be inconveniences such as deterioration of the properties of the molded product and deterioration of workability during molding. Accordingly, the content of the antibacterial composition is preferably 0.01% by mass or more and 10.0% by mass or less.
- the antibacterial molded article of the present invention when the antibacterial molded article of the present invention is in the form of a film or a sheet, it can be used for various applications by being formed on these laminates, and is easy to use.
- the antibacterial molded article of the present invention contains the antibacterial composition in a state where the inorganic antibacterial agent is contained in a proportion of less than 0.5% by mass with respect to the total mass of the molded article. It is preferable that the bactericidal activity value (general use) specified by the Textile Evaluation Technology Council is as follows.
- the fiber evaluation technical cooperation is incorporated.
- the bactericidal activity value stipulated by the Congress satisfies log (AZC) ⁇ 0, exhibits a broad antibacterial spectrum, and exhibits a low MIC antibacterial effect.
- the inorganic antibacterial agent is 0.05% by mass or more, preferably 0.1% by mass or more and 0.4% by mass or less, this antibacterial effect is exhibited well. Even when such an antibacterial composition has a low concentration, the antibacterial composition of the present invention exhibits a broad antibacterial vector that cannot be obtained by conventional antibacterial compositions, and exhibits an excellent antibacterial effect with a low MIC value.
- the molded article of the present invention is a multilayer sheet, and the layer containing the antibacterial composition appears in the outer layer.
- the antibacterial composition of the present invention has a repellent effect on fungi, it can exhibit an antibacterial effect without being in direct contact with fungi and the like. Even if the layer containing the antibacterial composition does not appear in an outer layer such as an intermediate layer of the multilayer sheet, the effect of the antibacterial composition can be suitably imparted to the sheet.
- the antibacterial composition-containing solution described in the present invention is characterized in that the above-described antibacterial composition of the present invention is dispersed in a solution.
- the antibacterial composition described above is uniformly dispersed in the solution, the contact effect with the fungi in the solution is improved, and the antibacterial composition exhibits a sufficient antibacterial effect even at a low concentration.
- An antibacterial solution that does not affect the human body and the environment according to the present invention and can provide an extremely broad antibacterial spectrum even at a low MIC value due to a synergistic effect, and that can easily obtain a high antibacterial effect efficiently can be provided.
- the solution itself since the solution itself exhibits remarkable antibacterial properties, it is easy to use and versatility is easily improved.
- the solution containing the antibacterial composition of the present invention may be any of water, organic solvents, oils, liquid organic compounds such as paints, and mixtures thereof, but particularly cleaners and waxes applied to floors and walls.
- water or a solution containing water as a main component in consideration of reducing safety and environmental impact.
- the concentration of the antibacterial composition at the time of use is dispersed in the range of lOppm to lOOOppm.
- the concentration of the antibacterial composition is set to lOppm or more and lOOOppm or less, a good antibacterial action exhibiting a wide antibacterial spectrum is efficiently exhibited even at a low MIC value. That is, the antibacterial composition of the present invention exhibits a sufficient antibacterial effect even at a low concentration of lOppm or more and lOOOppm or less.
- the concentration of the antibacterial composition should be lOppm or more and lOOOppm or less.
- the concentration of the antibacterial composition of the present invention is 0.
- the solution having this concentration is usually used as a so-called master batch that is diluted to the aforementioned concentration.
- the concentration of the antibacterial composition is 0.1% by mass or more and 50% by mass or less.
- the cleaning agent described in the present invention is characterized by containing the above-described antibacterial composition-containing solution of the present invention.
- the cleaning agent is not limited to cleaning, but includes, for example, wax such as floor wax.
- the above-described antibacterial effect can be obtained at the time of washing or coating, and the generation of fungi can be suppressed after washing, improving usability. And, for example, it can be used as a cleaner or wax mainly sprayed on the floor, or a coating agent having both functions.
- the solvent for blending the antibacterial composition of the present invention may be any of water, organic solvents, oils, liquid organic compounds such as paints, and mixtures thereof, but particularly on floors and walls. When using for products that may be touched by humans, such as cleaners or waxes to be applied, water or a solution containing water as the main component should be used in consideration of reducing safety and environmental impact. preferable.
- the tatami mat described in the present invention is formed by a film containing the above-described antibacterial composition of the present invention.
- the tatami mat of the present invention is formed of a film containing the above-described antibacterial composition, it does not affect the human body and the environment in the present invention, and an extremely broad antibacterial spectrum can be obtained even with a low MIC value due to a synergistic effect. Therefore, it is possible to provide a tatami mat that has an effect that an efficient and high antibacterial action can be easily obtained. Furthermore, a good antibacterial effect can be obtained even with a tatami mat that is uneven and prone to fungi and that is in direct contact with the human body.
- the tatami mat described in the present invention is characterized by including a film containing the above-described antibacterial composition of the present invention.
- the tatami mat of the present invention is provided with a film containing the above-described antibacterial composition, so that the human body and the environment in the present invention are not affected, and an antibacterial spectrum can be obtained even with a low MIC value due to a synergistic effect. If the antibacterial action is easily obtained with high efficiency, it is possible to provide a tatami mat that exhibits a depressing effect. Furthermore, generation of fungi is well prevented even at sites that are not normally visible, such as the back side of the tatami surface.
- FIG. 1 is a cross-sectional view of a three-layer multilayer sheet that is an embodiment of the antibacterial molded article of the present invention.
- the antibacterial composition of the present invention uses an organic antibacterial component and an inorganic antibacterial agent in combination, and these are contained in the antibacterial composition.
- the organic antibacterial agent constituting the antibacterial composition it is particularly preferable to use a pyridine antibacterial agent or a benzimidazole antibacterial agent, and it is particularly preferable to use both in combination. If a pyridine antibacterial agent and a benzimidazole antibacterial agent are used in combination, the antibacterial properties can be exerted against microorganisms that are not effective in each component due to a synergistic effect.
- a pyridine derivative as the pyridine-based antibacterial agent, for example, 2-chloroguchi 6 trichloromethylenopyridine, 2 chloro-4 trichloromethinoleyl 6-methoxypyridine, 2 chloroform 1 4 trichloromethyl.
- 2-mercaptopyridine N-oxide sodium which preferably uses a pyridine derivative containing no halogen atom. If a halogen atom is contained in the pyridine derivative, dioxin may be generated when the antibacterial composition is incinerated, or when the molded product is formed by adding the antibacterial composition to the resin. Since the mold may be corroded, it is preferable to use a pyridine derivative containing substantially no halogen atom.
- benzimidazole antibacterial agent examples include benzimidazole carbamic acid compounds, ion atom-containing benzoimidazole compounds, and cyclic compound derivatives of benzimidazoles.
- Carbendazim methyl 1H-2-benzimidazolecarbamate
- thiabendazole (2- (4 thiazolyl) 1H benzimidazole
- carbendazim (1H — It is preferable to use 2-benzoymidazol carbamate) or thiabendazole (2- (4 thiazolyl) 1H benzimidazole), since these do not contain halogens, so when antibacterial compositions are incinerated Even if dioxin is not generated, and metal parts such as molding dies are formed even when the molded product is formed by adding an antibacterial composition to the resin. It does not corrode the product.
- Examples of the benzimidazole carbamate compound include 1H-2 methyl benzimidazole carbamate, 1 butyl carbamoyl 2-methyl benzimidazole carbamate, 6 benzoyl-1H-2 methyl benzimidazole carbamate, 6- (2 Thiophene carboyl) 1H—2-Benzoimidazole carbamate methyl and the like.
- benzoimidazole compound containing thio atoms examples include 1H-2 thiocyanomethylthiobenzazoimidazole, 1 dimethylaminosulfol, 2 cyano-4-bromo-6-trifluoromethylbenzimidazole, and the like. Can be mentioned.
- Cyclic compound derivatives of benzimidazole include 2- (4 thiazolyl) 1H benzimidazole, 2- (2 chlorophenol)-1H benzimidazole, 2- (1— (3,5 dimethyl) Pyrazolyl)) 1H benzimidazole, 2- (2 furyl) 1H benzoimidazole and the like.
- the antibacterial composition of the present invention is used in combination of the above-mentioned organic antibacterial agent and inorganic antibacterial agent. While organic antibacterial agents alone may take time to exert antibacterial properties, antibacterial effects can be achieved in a short period of time by using inorganic antibacterial agents in the antibacterial composition. Even when it is necessary, it can respond suitably. That is, by using an organic antibacterial agent and an inorganic antibacterial agent together, the initial antibacterial performance of the antibacterial composition is improved, and the antibacterial performance is efficiently sustained.
- inorganic antibacterial agents include cuprous oxide, copper powder, copper thiocyanate, copper carbonate, copper chloride, copper sulfate, zinc oxide, zinc sulfate, nickel sulfate, copper nickel alloys, and other inorganic metal compounds, phosphorus Zirconate phosphate and zirconium phosphate carrying a metal can be used, and it is particularly preferable to use zirconium phosphate zeolite carrying silver or copper as a metal. Zirconium phosphate zeolite carrying a metal such as silver or copper is preferred because it has excellent safety to the human body, fast antibacterial speed, and excellent antibacterial performance.
- the organic antibacterial agent and inorganic antibacterial agent mentioned above are both known compounds and can be easily obtained by a conventional method. In addition, since many of these are commercially available, it is also possible to use strong commercial products. [0049] In addition to the organic antibacterial agent and the inorganic antibacterial agent which are essential components, the antibacterial composition of the present invention is conventionally used as an antibacterial agent as long as the effects of the present invention are not hindered. A known component (optional component) may be added.
- the content ratio of the organic antibacterial agent and the inorganic antibacterial agent to the antibacterial composition is preferably 0.1 to 70% by mass of the inorganic antibacterial agent with respect to the entire antibacterial composition. 4 to 60% by mass is particularly preferable. If the content of the inorganic antibacterial agent relative to the whole antibacterial composition is less than 0.1% by mass, the effect of including the inorganic antibacterial agent such as improvement of the initial antibacterial performance may not be exhibited. On the other hand, if the content of the inorganic antibacterial agent exceeds 70% by mass, the overall antibacterial performance may deteriorate.
- the organic antibacterial agent and the inorganic antibacterial agent contained in the antibacterial agent composition of the present invention contain substantially no halogen, and these do not contain halogen.
- the antibacterial composition itself becomes halogen-free (non-halogen), and even if the antibacterial composition is incinerated, no harmful substance dioxin is generated. Even if the molded body is molded, it is possible to suitably prevent the occurrence of corrosion of molding dies and metal parts.
- the organic antibacterial agent and the inorganic antibacterial agent contained in the antibacterial agent composition of the present invention contain substantially no halogen, and these do not contain halogen.
- the antibacterial composition itself becomes halogen-free (non-halogen), and even if the antibacterial composition is incinerated, no harmful substance dioxin is generated. Even if the molded body is molded, it is possible to suitably prevent the occurrence of corrosion of molding dies and metal parts.
- the above-mentioned organic antibacterial agent and inorganic antibacterial agent can be easily prepared by mixing them using a conventional method.
- the dosage form of the obtained antibacterial composition can also be applied as various dosage forms such as water, powder, and solvent.
- an antibacterial composition of the present invention since it contains a combination of an organic antibacterial agent and an inorganic antibacterial agent, it is a fungal species capable of handling a wide antibacterial spectrum.
- the antibacterial effect is excellent, for example, the number of kinds has increased dramatically.
- inorganic antibacterial agents by combining inorganic antibacterial agents, the initial antibacterial performance and the sustainability of the antibacterial effect will be improved, and the amount of elution will be reduced. It will also be excellent in performance.
- the antibacterial composition of this invention is suitable for the mixing
- the antibacterial composition of the present invention can exhibit an excellent antibacterial effect with many types of fungi capable of having a wide antibacterial spectrum.
- Fungi fungi, bacteria, algae, etc.
- whose composition has an antibacterial effect include the fungi (209 fungi, 148 bacteria, 27 algae) shown in Table 2 to Table 7 below. Can be mentioned.
- fungi that could not inhibit the growth of organic antibacterial agents and inorganic antibacterial agents, fungi that were not effective for each component due to the synergistic effect of using both antibacterial agents. It can also exhibit antibacterial properties against (including algae).
- a combination of pyridine antibacterials and benzimidazole antibacterials is used as an organic antibacterial agent, it exhibits antibacterial properties against fungi (including algae) that are not effective for each component due to a synergistic effect.
- 2-mercaptopyridine N-oxide sodium as a pyridine antibacterial agent carbendazim (methyl 1H-2 benzimidazole carbamate) and thiabendazole (2- ( 4 Thiazolyl) 1H—Benzoimidazole) and at least one of them can be used more efficiently.
- the antibacterial composition of the present invention if the organic antibacterial agent and the inorganic antibacterial agent are substantially free of halogen, the antibacterial composition is halogenated (non-halogenated). Dioxin is not generated even when the antibacterial composition is incinerated, and when the molded article is formed by adding the antibacterial composition to the resin. Corrosion of the mold can be prevented.
- the antibacterial composition of the present invention has a repellent effect on fungi, and can exhibit an antibacterial effect even if it is not in direct contact with fungi.
- the application method of the antibacterial composition of the present invention is not particularly limited.
- the antibacterial composition is blended into a paint to form a coating material, blended with a resin material and molded, or a preform is formed into a paint. It can be applied by any method, for example, an antibacterial molded body prepared for a resin molded body by coating with a coating material. These molded and coated materials with antibacterial properties make it easy for microorganisms to grow!
- grease parts such as air conditioner and car air conditioner parts (especially water easily collects) (Preferably drain) etc.
- interior grease parts such as washing machines, refrigerators and tableware dryers, toiletries, water purifiers, housing equipment such as brushes with toilet cases, textile products (apron, cloth, hospital uniforms, furniture) Zippered fabric, curtains, etc.), chopping boards, water draining products such as draining bags, adhesives, chemicals such as wood preservatives, construction cleaners, interior and exterior paints, wood surface treatment agents, coating agents such as gel coating agents, vehicles Interior materials, carpets, joint materials, sealing materials, algae-proofing agents for cooling towers, polyurethane sponges for baths and kitchens (for example, bath mats and cleaning sponges), chemical tatami mats and tables, Box, as possible de be widely applied to a cleaner.
- grease parts such as air conditioner and car air conditioner parts (especially water easily collects) (Preferably drain) etc.
- interior grease parts such as washing machines, refrigerators and tableware dryers, toiletries
- the antibacterial composition of the present invention is formed into a resin composition by molding it by blending with a resin material, or by applying it to a previously formed product together with a coating material such as a paint.
- a coating material such as a paint.
- the resin material constituting the antibacterial molded article is not particularly limited, but a polyethylene resin, a polypropylene resin, a polyurethane resin, a polycarbonate resin, a polystyrene resin, a polyester
- resin material such as system resin, acrylic resin, and polyvinyl chloride resin can be used alone or in combination of two or more. Further, it may be added to fiber reinforced plastic (berreinforced plastic: FRP).
- the antibacterial composition of the present invention is blended with the above-mentioned greaves material, both are mixed, then mixed together by kneading or the like, and injection is performed. What is necessary is just to shape
- the content of the antibacterial composition with respect to the antibacterial molded article is antibacterial with respect to the molded article. It is preferable to contain 0.01 to 10.0% by mass of the composition. It is particularly preferable to contain 0.05 to 2.0% by mass. If the content of the antibacterial composition relative to the antibacterial molded article is less than 0.01% by mass, the effect exhibited by the composition may not be imparted to the molded article. On the other hand, when the content of the antibacterial composition exceeds 10.0% by mass, the antibacterial performance hardly changes even if it is further added. Furthermore, it may affect the moldability of the compact. Moreover, since the component which comprises an antibacterial composition is generally expensive, it also becomes a problem also from the point of cost.
- the content of the antibacterial composition means that the antibacterial molded body is a laminate and the antibacterial composition is present in a part of the layers.
- the content rate in a layer is shown.
- the antibacterial molded article When the antibacterial molded article is used as a sheet, the effect of the antibacterial composition on the sheet is obtained by incorporating the antibacterial composition of the present invention into the single-layer sheet. Fruits can be added.
- the sheet may be a multilayer sheet and the antibacterial composition may be contained in a layer (outer layer) appearing on the outer surface, but the layer containing the antibacterial composition appears in the outer layer. Even so, the effect of the antibacterial composition can be suitably imparted to the sheet surface.
- the antibacterial composition of the present invention preferably uses a resin material having a relatively low crystallinity.
- the resin material having a lower degree of crystallinity is more likely to exhibit the antibacterial effect of the antibacterial composition present in the resin material.
- FIG. 1 shows a cross-sectional view of a three-layer multilayer sheet 1 which is an embodiment of the antibacterial molded article of the present invention.
- the thickness of the outer layer 3 may be 1 mm or less, preferably 300 / z m or less.
- the antibacterial molded article of the present invention has a laminated structure
- the antibacterial composition in the outer layer By containing the antibacterial composition in the outer layer, the growth of fungi in the outer layer can be prevented, and even if the antibacterial composition is contained in the non-outer part (intermediate layer) of the molded article, the fungus in the outer layer Can be prevented from growing.
- the antibacterial molded article may form a coating film containing the antibacterial composition on the surface of the molded article having the above-mentioned resin material strength.
- resin material strength For example, urethane-based resin, acrylic-based resin, polyester-based resin, vinyl-based resin, and other known solvent-based, water-based, and UV-curable materials are used as the resin for forming the coating film. be able to.
- various materials such as spray coating, knife coating, gravure coating, flow coating, die coating, and comma coating can be used to apply these materials containing an antibacterial composition to a molded body.
- Various printing means such as screen printing, node printing, and offset printing can be appropriately selected according to the type and purpose of the material to be used.
- the antibacterial composition of the present invention is contained in an aqueous resin solution such as polyurethane resin, unsaturated polyester resin, acrylic resin, bur resin, emulsion, and the like. Use it as a coating material.
- an aqueous resin solution such as polyurethane resin, unsaturated polyester resin, acrylic resin, bur resin, emulsion, and the like.
- a multilayer sheet 1 having a three-layer structure is shown as an example of the antibacterial molded body, but the multilayer sheet is not limited to three layers, and is a sheet having two layers or four layers or more.
- the antibacterial molded article is used as a sheet, there is no problem even if it is a single layer sheet that does not need to be a multilayer sheet.
- a power exemplifying the use of a combination of a pyridine antibacterial agent and a benzimidazole antibacterial agent may be used only as a benzimidazole antibacterial agent!
- two or more types of benzimidazole antibacterial agents, especially benzoimidazole It is more preferable to use a compound having a thiazolyl group in the ring, for example, 2- (4 thiazolyl) 1H benzimidazole, and a compound having a carbamate group in the benzimidazole ring, for example, methyl 2-benzoimidazole carnomate.
- a compound having a thiazolyl group in the ring for example, 2- (4 thiazolyl) 1H benzimidazole
- a compound having a carbamate group in the benzimidazole ring for example, methyl 2-benzoimidazole carnomate.
- benzimidazole antibacterial agents for example, methyl 2-benzoimidazole, methyl methyl rubamate, ethyl 2-benzazoimidazole carbamate, etc., other V, or a different benzimidazole type may be used.
- additives to detergents such as clothes detergents and dish detergents, clothes and furniture It can also be used as a spray agent, an additive to lubricating oil for cutting machines such as a lathe, and a tarina flooring wax as a cleaning agent.
- only at least two kinds of imidazole organic antibacterial agents are used in combination with an inorganic antibacterial agent.
- the structure formed in the sheet shape is demonstrated as an antibacterial molded object in this embodiment, it is not limited to a sheet shape, but is configured in various shapes, and not only a single-layer sheet, but also a sheet shape of a multilayer structure It is good also as what.
- the present invention is not limited to the resin molded body, and may be applied as an inorganic molded body such as concrete.
- composition of antibacterial resin sheet There are no particular restrictions on the application of antibacterial grease sheets, but for example, parts and parts used in environments where fungi that are microorganisms (fungi, bacteria, algae, etc.) are likely to grow, specifically, wall paper, It is used for various purposes such as synthetic leather and the back side of the tatami surface of tatami mats, or by adhering, sticking, or holding onto the surface of the attachment part.
- the resin material was formed into a sheet using a known molding method such as an injection molding method, an extrusion molding method, a blow molding method, an inflation molding method, or the like. Is.
- the antibacterial resin sheet is publicly known as described above, for example, by appropriately blending and mixing the antibacterial composition of the present invention with a resin material and kneading it into a substantially uniform composition. It is formed into a sheet using this molding method. It is preferable that the antibacterial resin sheet contains an antibacterial composition, which will be described in detail later, in an amount of 0.01% to 10.0% by mass. 0.05% to 2.0% by mass Especially preferred to contain in.
- the content of the antibacterial composition is less than 0.01% by mass, sufficient antibacterial properties may not be exhibited.
- the content of the antibacterial composition is more than 10.0% by mass, the antibacterial performance is hardly changed.
- the strength of the antibacterial resin sheet used as a molded product is reduced, This may adversely affect the properties such as the appearance of the smoothness of the product, and may deteriorate the workability and moldability during molding.
- the content of the antibacterial composition is reduced to 0.01 mass in order to suppress the increase in cost due to the increase in the content of the antibacterial composition while exhibiting sufficient antibacterial properties with the minimum necessary content. % Or more and 10.0% by mass or less is preferable.
- the antibacterial resin sheet and the resin material used as a layer provided on the surface side in the case of a multi-layer structure are not particularly limited, but polyethylene-based resin, polypropylene-based resin, Polyurethane resin, polycarbonate resin, polystyrene resin, polyester resin such as polyethylene terephthalate, nylon (polyamide) resin, acrylic resin, polychlorinated bur resin, acrylonitrile-butadiene-styrene (Acryloni torile- Butadiene-Styrene (ABS)
- One type of resin material such as resin can be used alone, or two or more types can be used in combination.
- the resin material having a relatively low crystallinity for crystalline resin. Good.
- the resin material having a lower degree of crystallinity is more likely to exhibit the antibacterial effect of the antibacterial composition present in the resin material.
- the antibacterial composition contained in the antibacterial greaves sheet is composed of two types selected only from imidazole organic antibacterial agents and inorganic antibacterial agents.
- This antibacterial composition exerts an antibacterial effect even at low MIC values against fungi (fungi, bacteria, algae, etc.), which are microorganisms shown in Table 25 to Table 30 described later, and has an extremely broad antibacterial spectrum. Show.
- imidazole organic antibacterial agent examples include benzoimidazole carbamic acid compound, thio atom-containing benzoimidazole compound, benzimidazole cyclic compound derivative and the like. it can.
- the benzimidazole carbamate compounds include 1H-2 methyl benzimidazole carbamate, 1 butyl carbamoyl 2-methyl benzimidazole carbamate, 6 benzoyl-1H-2 methyl benzimidazole carbamate, 6- (2 Thiophenecarbol) 1H—2-Benzoimidazole carbamate methyl and the like.
- thioimidazole compounds containing thio atoms include 1H—2-thiocyanomethylthiobenzimidazole, 1-dimethylaminosulfol, 2ciano 4 bromo-6-trifluoromethylbenzimidazole, and the like. .
- Cyclic compound derivatives of benzimidazole include 2— (4 thiazolyl) 1H benzimidazole, 2— (2 black mouth phenol) —1H benzimidazole, 2— (1— (3,5 dimethylpyrazolyl)) Examples thereof include 1H benzimidazole and 2- (2 furyl) 1H benzoimidazole.
- the imidazole organic antibacterial agent only at least two types selected only for imidazole organic antibacterial agents are used in combination. Even in the same imidazole system, a combination of two different types can provide a synergistic antibacterial action against microorganisms.
- Use of a compound having a thiazolyl group in the zoimidazole ring and a compound having a carbamate group in the benzimidazole ring is preferable because a remarkable synergistic effect is obtained.
- Examples of thiazolyl groups include 2 thiazolyl, 4 thiazolyl, and 5 thiazolyl.
- a hydrocarbon group 1S in this carbamate group for example, an alkyl group such as methyl, ethyl, n-2-propyl, isopropyl, etc. is preferred, and those having a methyl group or an ethyl group are particularly preferred. ,.
- the compound having a thiazolyl group examples include 2- (4 thiazolyl) 1H benzimidazole (thiabendazole (TBZ)).
- Examples of those having a carbamate group include methyl-2-benzoimidazole carnomate methyl (Carbendazim (BCM)), ethyl 2-benzimidazolecarbamate and the like.
- 2- (4 thiazolyl) 1H benzoimidazole and methyl 2-benzoimidazole carbamate are relatively easy to use, especially as a resin molded product with relatively high thermal stability. It is also particularly preferred because it has already been used as an antifungal agent (food additive) such as grapefruit, orange, and banana, and its effects on the human body are relatively small and confirmed as a material. .
- these imidazole-based organic antibacterial agents do not contain halogen, even when the antibacterial resin sheet, which is an antibacterial composition or an antibacterial molded article, is incinerated, for example, dioxin or the like. It is preferable because it does not produce harmful substances and does not affect the environment.
- an antibacterial composition is contained in a resin material to form an antibacterial resin sheet, there is no inconvenience such as corrosion of metal parts in a production line such as a molding die, and a special material for manufacturing equipment. It is preferable because a manufacturing facility can be simplified and manufacturing costs can be improved and equipment costs can be easily reduced.
- imidazole-based organic antibacterial agents are substantially insoluble in water, there is no inconvenience such as being unable to provide stable antibacterial properties for a long period of time even when used under conditions such as exposure to rain. . Furthermore, it becomes easy to provide a molded article having an antibacterial property by being well mixed with the greave material, and the versatility can be easily improved.
- inorganic antibacterial agents include inorganic metals such as cuprous oxide, copper powder, copper thiocyanate, copper carbonate, copper chloride, copper sulfate, zinc oxide, zinc sulfate, nickel sulfate, and copper-nickel alloys.
- a compound, zirconium phosphate, metal-supported zeolite, or a salt thereof such as zirconium phosphate can be used.
- zirconium phosphate supporting silver or copper as a metal is preferable, and more preferable is zirconium phosphate supporting silver which is highly antibacterial and silver-based antibacterial agent.
- the silver antibacterial agent is not limited to the supported form, and silver as a single metal can also be targeted.
- Zirconium phosphate which carries silver, copper, and other metals, has excellent safety to the human body, fast antibacterial speed, and excellent antibacterial performance, while zirconium phosphate carries silver, a noble metal, in zeolite. This is preferable because the cost can be reduced by doing so.
- silver-supported zirconium phosphate zeolite when silver-supported zirconium phosphate zeolite is used, it is more preferable to use zinc oxide in combination.
- the combined use of silver-supported zirconium phosphate and acid zinc oxide together with the antibacterial effect of silver-supported zirconium phosphate itself and zinc oxide itself, and the synergistic effect of the combined antibacterial effect of the same inorganic inorganic antibacterial agent Is preferable, and more remarkable antibacterial properties are obtained.
- the content of silver supported zirconium phosphate zeolite can be reduced by the combined use with acid zinc, and the cost can be easily reduced by reducing the amount of silver used as a noble metal. Further, discoloration due to silver acid can be prevented.
- the mixing ratio of the imidazole organic antibacterial agent and the inorganic antibacterial agent is preferably 1: 1 to 5: 1, particularly 2: 1 in mass ratio. .
- the organic antibacterial agent and the inorganic antibacterial agent are mixed at a mass ratio of less than 1: 1, the antibacterial spectrum may not be expanded with a small MIC value. is there.
- the amount of organic antibacterial agent is greater than 5: 1 by mass, the proportion of organic antibacterial agents that are slow in initial antibacterial performance and easy to reduce the durability of antibacterial performance is higher than that of inorganic antibacterial agents. Initial strength Stable and remarkable antibacterial properties may not be obtained over a long period of time.
- the mixing ratio of the benzimidazole organic antibacterial agent and the inorganic antibacterial agent was set to 1: 1 to 5: 1 by mass ratio, and the antibacterial action of the organic antibacterial agent or the inorganic antibacterial agent itself. At the same time, it is preferable that the synergistic effect of remarkable antibacterial action by combining organic antibacterial agent and inorganic antibacterial agent is properly exhibited.
- the mixing ratio of 2- (4 thiazolyl) 1H-benzoimidazole and methyl 2-benzoimidazole carnomate is less than 1: 1 by mass ratio of 2- (4 thiazolyl) 1H benzoimidazole.
- 2- (4 thiazolyl) 1H benzoimidazole more than 5: 1 the number of antibacterial spectrum showing antibacterial action at low MIC value decreases, that is, the added amount of antibacterial composition may increase There is.
- the mixing ratio of 2- (4 thiazolyl) 1H-benzoimidazole and methyl 2-benzoimidazole carbamate is 1: 1 to 5: 1 by mass ratio.
- the mixing ratio is preferably 1: 1 to 1:10, More preferably about 1: 2.
- the proportion of silver-supported zirconium phosphate zeolite and acid zinc is less than 1: 1 by mass ratio, sufficient cost reduction is achieved by reducing the amount of silver used as a noble metal. Will be obtained. Also, discoloration due to silver acid can be prevented.
- the amount of acid zinc is larger than 1:10 by mass ratio, sufficient antibacterial action due to silver is obtained, and the addition amount of the antibacterial composition may increase. From this, the synergistic effect of the remarkable antibacterial effect by the combined use is appropriately exhibited by setting the mixing ratio of the silver-supported zirconium phosphate zeolite and the acid zinc salt in a mass ratio of 1: 1 to 1:10. It is preferable.
- an antibacterial composition of the present invention at least two kinds of imidazole organic antibacterial agents that do not have a halogen group and are not recognized as skin irritation and an inorganic antibacterial agent are used in combination. Therefore, in addition to the synergistic effect of the combined use of organic antibacterial agents and inorganic antibacterial agents, the same imidazole type also obtains a synergistic effect by using only two types of organic antibacterial agents, especially two types in combination. be able to.
- the antibacterial composition adheres to the skin or the user or manufacturer comes into contact with the molded product containing the antibacterial composition, it does not affect the human body such as rashes. No harmful substances such as dioxin are generated during It is possible to provide a good antibacterial action that is safe and has no influence on the human body or the environment. Furthermore, in addition to the antibacterial action of the two imidazole organic antibacterial agents themselves and the inorganic antibacterial agent itself, and against the fungi that could not prevent their growth alone, the organic antibacterial agent and the inorganic antibacterial agent Synergistic antibacterial effect due to the combined use of the agents, and a broad antibacterial spectrum can be obtained even at low and MIC values, and an efficient and high antibacterial action can be easily obtained.
- the antibacterial composition of the present invention since two types of imidazole organic antibacterial agents, one having a thiazolyl group and one having a carbamate group in the benzimidazole ring, are used in combination. Even in the case of zoimidazole, if the antibacterial spectrum is obtained even if it has no effect on the human body and the environment, has a low synergistic effect, and has a much broader antimicrobial spectrum, the antibacterial action can be easily obtained. Antibacterial properties can be obtained.
- the antibacterial composition of the present invention among the inorganic-supported antibacterial agent, among silver-supported zirconium phosphate and acid zinc oxide, which can provide a synergistic effect with an imidazole-based organic antibacterial agent. Since at least one of these is used, remarkable antibacterial properties can be easily obtained.
- silver-supported zirconium phosphate and zinc oxide are used in combination, the antibacterial action of silver-supported zirconium phosphate itself and zinc oxide itself can be used together with these same inorganic antibacterial agents. A synergistic effect of antibacterial action is also obtained, and more remarkable antibacterial property can be exhibited.
- the combined use of silver-supported zirconium phosphate and acid zinc oxide can reduce the amount of silver, which is a precious metal without impairing antibacterial properties, and can further reduce the cost.
- silver is used as a form of silver exhibiting high antibacterial properties, in which silver is supported on zirconium phosphate. Therefore, the antibacterial effect of silver, which is a noble metal, can be exerted in the minimum necessary amount, and the synergistic effect of the antibacterial effect of the inorganic antibacterial agent and the organic antibacterial agent The fruits can be exhibited efficiently and the cost can be reduced more easily.
- the force exemplified for the structure contained in the molded article of the antibacterial resin sheet as the antibacterial composition of the present invention is not limited to the sheet form, as described above, but is a film, fiber, injection molded article, blow Various molded products such as molded products may be used, for example, chemical tatami mats, wallpaper, synthetic leather, and flooring.
- a polyolefin resin having the above-mentioned antibacterial yarn and composition is dispersed and formed into a film by inflation molding.
- it can be prepared and woven into each fiber and finished as a tatami mat.
- the antibacterial composition of the present invention when used in a substantially uniform dispersion in a solution, the contact efficiency with bacteria, sputum, algae, etc. in the solution is improved.
- An antibacterial composition having a concentration of lOppm or more and lOOOppm or less can be used without any problem in practical use, that is, a sufficient antibacterial effect can be obtained, and it is excellent in economy and safety.
- cooling water such as a cooling tower
- detergent such as laundry detergent
- lubricating oil for machine tools such as a lathe to exert antibacterial action. It can be applied to each part for antibacterial purposes.
- the present invention is not limited to a sheet-like form, and may be any form such as a molded body of a resin part, formed as a resin fiber, or a woven fabric of this resin fiber or a non-woven fabric.
- it is not limited to the grease member, but may be applied to, for example, a concrete product added to fresh concrete, or a plywood formed into a plate by mixing wood chips with an adhesive.
- specific applications include air conditioner and car air conditioner air drainage parts, washing machines and Housing equipment such as refrigerators, tableware dryers, toilet seats, water purifiers, and brushes with toilet cases, textile products (aprons, cloths, hospital uniforms, furniture upholstery, curtains, etc.), cutting boards, draining bags, bath mats, bath tubs, etc. Water-based products and baths
- the antibacterial composition is composed of only two kinds of imidazole-based organic antibacterial agents and inorganic antibacterial agents, but also includes a configuration in which inevitably mixed substances are mixed. Needless to say. Glass fiber for improving the strength of the molded body, such as synthetic resin and solvent used as the base material of the molded body, magnetic powder for use as a magnet, or fiber reinforced plastic (FRP). It is also possible to use an additive member that functions independently without interfering with each component of the antibacterial composition, such as linseed oil and pigments such as ink.
- a coating film as an antibacterial molded article containing an antibacterial composition by coating, spraying, etc.
- resin forming the coating film for example, urethane type resin, acrylic type resin, etc.
- various known solvent-based, water-based, and UV-curable materials such as polyester-based resin and vinyl-based resin can be used.
- various coatings such as spray coating, knife coating, gravure coating, flow coating, die coating, and comma coating can be used to apply these materials containing antibacterial compositions to molded products.
- Means and various printing means such as screen printing, pad printing, and offset printing can be appropriately selected according to the type and purpose of the material to be used.
- the antibacterial composition of the present invention is contained in an aqueous resin solution such as polyurethane-based resin, unsaturated polyester resin, acrylic resin, bulle resin, and the like. It may be used as a coating material such as a finishing agent or a coating agent.
- aqueous resin solution such as polyurethane-based resin, unsaturated polyester resin, acrylic resin, bulle resin, and the like. It may be used as a coating material such as a finishing agent or a coating agent.
- the imidazole organic antibacterial agent is not limited to 2- (4 thiazolyl) 1H benzoimidazole and methyl 2-benzoimidazole carnomate.
- the composition can be applied as a combined composition.
- each blending ratio should be set appropriately according to the use site and application. Can do.
- Examples 1 and 2 and Comparative Example 1 [0098] Based on the first embodiment described above, the components of the treatment described in Table 1 were mixed, and the antibacterials of Examples 1 and 2 and Comparative Example 1 were mixed. A sex composition was prepared. The composition of Comparative Example 1 was obtained by mixing equal amounts (1Z3) of each component without adding an inorganic antibacterial agent in Example 1 (in Table 1, the content rate is 33. 3 mass%).
- Antibacterial performance test of antibacterial composition is a measure of antibacterial composition
- the minimum growth inhibitory concentration (MIC value: Abbreviation of Minimum Inhibitory Concentration) (ppm) was measured according to the following test method to evaluate the antibacterial performance.
- the antibacterial composition was diluted with dimethyl sulfoxide so as to have a predetermined concentration (1000 ppm, 100 ppm, 50 ppm, etc.) to prepare an antibacterial agent suspension.
- a predetermined concentration 1000 ppm, 100 ppm, 50 ppm, etc.
- test strain-containing agar solution was prepared by mixing the test strain with 5 ml of a sterilized 0.9% agar medium kept at 40 ° C.
- test strain-containing agar solution prepared in Gii) was layered on the agar medium of (ivXii) and solidified.
- fungi were grown after culturing at 27 ° C for 72 hours, and bacteria were grown after culturing at 30 ° C for 24 hours.
- the lowest antibacterial composition concentration in the medium in which the test bacteria did not grow was defined as the minimum growth inhibition concentration (MIC value: ppm).
- MIC value minimum growth inhibition concentration
- Example 1 As can be seen from the results in Tables 2 to 7, the antibacterial composition of Example 1 is any test fungus.
- the MIC value was in the range of 10 120 ppm, and it was possible to inhibit the growth of various test fungi at extremely low concentrations.
- the antibacterial composition of Example 1 has a broad antibacterial spectrum and can effectively cope with a wide range of fungi.
- Example 1 The antibacterial compositions obtained in Example 1 and Comparative Example 1 were subjected to the following test methods. A textile test was conducted to compare and evaluate the antibacterial performance of general textile products. The results are shown in Table 8.
- Test method ⁇ O IS L1902 (1998) was carried out according to the following (0 ⁇ (: iii). As the test strain, ⁇ (Staphylococcusaureus) was used.
- Example 1 The antibacterial agent composition of Example 1 or Comparative Example 1 was added to one-pack type polyurethane resin (manufactured by Dainichi Seika Kogyo Co., Ltd.) so that the dry weight would be 0.5% by mass. Dispersed. Next, this polyurethane resin was coated on a release paper with a bar coater or knife coater and then dried at 80 ° C. to contain 0.5% by mass of an antibacterial agent composition, and a thickness of 10 ⁇ m. A polyurethane film was prepared. This urethane film was bonded to a polyester fabric using a two-component reactive curing polyurethane adhesive to obtain a textile sample having a size of 100 mm ⁇ 100 mm.
- one-pack type polyurethane resin manufactured by Dainichi Seika Kogyo Co., Ltd.
- this polyurethane resin was coated on a release paper with a bar coater or knife coater and then dried at 80 ° C. to contain 0.5% by mass of an antibacterial agent
- Example 1 a textile sample containing the antibacterial composition of Example 1 and Comparative Example 1 prepared in 0 in a liquid medium containing Staphylococcus aureus. After putting the textile sample of Example 1 (or Comparative Example 1) and “!” In some cases, and a blank textile sample, each was cultured in an incubator for 18 hours, and the number of bacteria after the cultivation was measured.
- Antibacterial activity value a log A— log C ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ (I)
- Example 1 textile sample comprising the antibacterial composition of Example 1 containing zirconium phosphate, an inorganic antibacterial agent, has clear antibacterial activity (3. 20), and it was confirmed that the antibacterial composition of Example 1 can exhibit antibacterial performance in a short time (within 18 hours) even in a normal textile product.
- the textile sample (the textile sample of Comparative Example 1) provided with the antibacterial composition of Comparative Example 1 that does not contain an inorganic antibacterial agent has an antibacterial activity value lower than 0 (1. Not shown.
- Example 1 As a molded body containing the antibacterial composition of Example 1, a sheet having the following constitution was prepared. Then, the antibacterial performance of the strong sheet was confirmed using the test fungi shown in Table 10 according to the following test method and criteria. The results are shown in Table 11.
- the antibacterial composition of Example 1 is applied to the intermediate layer 2 and the polypropylene resin of the intermediate layer 2 (F744NP: manufactured by Idemitsu Petrochemical Co., Ltd.).
- a material containing 0.05% by mass and a material using the above-mentioned polypropylene resin as it was for the outer layers 3 on both sides were T-die extruded to prepare a three-layer sheet made of polypropylene resin.
- the thickness of the intermediate layer 2 was set to 100 / ⁇ ⁇ , and the thicknesses of the outer layers 3 on both sides were set to 20 / z m (this is “the sheet of Example 1-a” t).
- Example 1-a the antibacterial composition in the intermediate layer 2 having the content of the antibacterial composition in the intermediate layer 2 set to 0.1% by mass was similarly antibacterial in the intermediate layer 2.
- Each of the compositions having a content of 0.5% by mass was prepared as a sheet of Example 1-c.
- sheet of Example 1-d A material containing 0.5% by mass of the antibacterial composition 1 was extruded to prepare a single-layer sheet having a thickness of 100 m (this is referred to as “sheet of Example 1-d”).
- a single-layer sheet having a thickness of 100 m which was made of the above-described polypropylene resin and did not contain an antibacterial composition, was also prepared (this is referred to as a “reference example sheet”).
- the fungal spores shown in Table 10 below were suspended in sterilized water and filtered to prepare a mixed spore solution having a concentration of about 1 ⁇ 10 6 cell / ml.
- the spores were dispersed using sodium lauryl sulfate. (Type of strain)
- the sheet provided with the antibacterial composition of Example 1 is an example in which the antibacterial composition appears on the outer layer (surface) as a single-layer sheet.
- the sheets of Example 1a, Example 1b and Example 1c which are multilayer sheets having the antibacterial composition as an intermediate layer of the sheet, were also confirmed to exhibit antibacterial performance. From the results, it is considered that even if the intermediate layer of the molded body is provided with a layer containing an antibacterial composition, the growth of force such as force on the sheet surface can be prevented.
- Metal corrosion test of antibacterial composition After 50 g of the antibacterial composition of Example 1 and Example 2 was brought into direct contact with an iron test piece having a size of 50 mm X 50 mm X 3 mm, and left at a temperature of 190 ° C for 90 hours, The change in the surface state of the iron test piece was observed.
- the iron test piece contacted with the antibacterial composition of Example 1 showed no change in the surface state in which the surface was free of the formation of fixed matter.
- the iron test piece contacted with the antibacterial composition of Example 2 produced a sticking substance on the surface, and this sticking substance could not be removed by wiping with a common solvent such as water or heptane. It contaminates metals such as iron. Therefore, the antibacterial composition containing halogen as in Example 2 is expected to cause deterioration of metal parts such as metal molds when kneaded into a resin material to obtain a molded body.
- a salty vinyl vinyl leather sheet having the composition shown in Table 12 containing the antibacterial composition of Example 1 was prepared using the following production method. The antibacterial performance was confirmed. The results are shown in Table 13.
- foaming agent azodicarboxylic acid amide
- salt-bulb resin with a polymerization degree of 1300 salt-vinyl vinyl resin added with an equal amount of diisodecyl phthalate as a plasticizer
- the foaming agent was blended in an amount of 3.5% by weight based on the salty-bull resin.
- This foamed layer was pasted together with a polyester rayon fabric (thickness 600 ⁇ m) to which a thick adhesive was applied as an adhesive layer to a thickness of 10 m.
- GO salt vinyl resin (equal diisodecyl phthalate added as plasticizer to 1300 degree of polymerization vinyl salt resin) was calendered to a thickness of 200 ⁇ m. Sheeted, this (for foam layer Z adhesive layer obtained in 0 Z polyester rayon fabric, A surface layer was formed by laminating and bonding to the upper surface of the foam layer.
- the surface layer of the sheet obtained in (ii) has a thickness of 5 ⁇ m after drying with a surface treatment agent (solvent-based surface treatment agent consisting of salty bubul and acrylic resin). After coating in this manner, it was dried at 110 ° C, and then foamed to a foam layer of 500 m in a foaming furnace with an ambient temperature of 230 ° C, and a leather made from salty bulle resin was used. A sheet was obtained (this is referred to as “leather seat of Example 1”).
- a surface treatment agent solvent-based surface treatment agent consisting of salty bubul and acrylic resin
- Example 3 Based on the first embodiment described above, the antibacterial compositions of Example 3 and Comparative Examples 2 and 3 were prepared by mixing the components of the formulation described in Table 14.
- Example 3 as the organic antibacterial agent, benzimidazole-based powers, which are two types selected, thiabendazole (2- (4 thiazolyl) 1H benzimidazole) and carbendazim (methyl-2-methyl benzimidazole carnomate) ). These components were blended in equal amounts (1: 1) to make an organic antibacterial agent. Further, as the inorganic antibacterial agent, silver-supported zirconium phosphate and acid zinc were used in combination, and the silver-supported zirconium phosphate was 6% by mass and acid zinc was 28% by mass.
- Comparative Example 2 The configuration of Comparative Example 2 is such that the inorganic antibacterial agent is not blended in Example 3, and each component is mixed in an equal amount (1Z2).
- the constitution of Comparative Example 3 is such that the organic antibacterial agent is not blended in Example 3, but is appropriately blended with the same components as those of the inorganic antibacterial agent in Example 3 (silver-supporting phosphorous). Zirconate 33% by mass, zinc oxide 67% by mass).
- Example 3 Comparative Example 2 Comparative Example 3 Hexane-Imidazo-Methyl-2-Henso-Imidazo-Lucalha-Methyl Mate 33 50-Organic antibacterial agent 2-( 4-thiazo'l)-1H-Henso-Imidazol 33 50 ⁇ Inorganic antibacterial agent Silver-supported zirconium phosphate 11 ⁇ 33 Zinc oxide 23 ⁇ 67 [0142] Then, as a test method, the same antibacterial performance test as the test method in Examples 1 and 2 and Comparative Example 1 described above was performed. The results are shown in Table 15 to Table 20.
- the concentration added to the solid content is 100 times or more of the MIC value. Therefore, in consideration of economy and safety, the MIC value of 50 ppm or less was set as an example level in the present invention.
- the definition (standard value) of the Japan Textile Evaluation Technology Council is 800 ppm or less, it will be 8% by mass at 100 times the strength of 800 ppm, which is an acceptable level as an antibacterial agent. Or the physical properties of the antibacterial solution may be affected.
- the antibacterial composition of Example 3 has a MIC value for any of the test fungi (fungi, bacteria, algae) so that the results shown in Tables 15 to 20 are also obtained. It was 50 ppm or less, and it was possible to inhibit the growth of many various test fungi at extremely low concentrations. Thus, it was confirmed that the antibacterial composition of Example 3 has a broad antibacterial spectrum and can effectively cope with a wide range of fungi.
- a tatami mat was prepared as the antibacterial molded article of the present invention, and the antibacterial properties were compared and evaluated.
- Example 4 mixed-'kneading polyolefin resin antimicrobial composition of Example 3 at 0.2 mass 0/0, to produce a step O reflex in the film by an inflation molding, molding into fibers After that, it was woven into a tatami mat.
- Example 4 a polyolefin tatami table was prepared in the same manner as in Example 4 at a blending ratio of 0.2% by mass of thiabedazole, a commercially available antibacterial agent.
- As Comparative Example 5 silver-bearing zeolite (Sinanenthemic (trade name)) was mixed at 0.2 mass%, and as Comparative Example 6, silver-supported zeolite (Sinanenthemic (trade name)) was 1.0.
- a polyolefin tatami table was prepared in the same manner as in Example 4 at a blending ratio of mass%.
- Comparative Example 7 a polyolefin tatami table was prepared in the same manner as in Example 4 without adding an antibacterial agent.
- Example 4 and Comparative Examples 4 to 7 were cut from the top to those of a test piece cut to a size of 50 mm x 50 mm. Each mold was placed, and the mold was cultured for 28 days at a temperature of 28 ° C and a humidity of 85% RH or higher. Then, the growth of mold was visually confirmed and evaluated using the judgment criteria of Test Example 3. The results are shown in Table 21.
- Example 4 the bactericidal activity value (general use) in Staphylococcus aureus as a bacterial species specified by the Japan Fiber Evaluation Technology Council was also comparatively evaluated. The results are also shown in Table 21.
- the tatami mat containing the antibacterial composition of the present invention is a conventional fungicide. It was confirmed that the antibacterial property was clearly stronger than the tatami mat of the compound containing thiabendazole.
- the bactericidal activity value (general use) specified by the Textile Evaluation Technology Council was also log (A / C) ⁇ 0 (A: the number of bacteria in the standard fabric immediately after inoculation, C: Viable count of processed cloth after 18 hours of culture) and antibacterial evaluation (bactericidal activity value) was also good.
- a wax for flooring as a floor surface treating agent which is a cleaning agent, was prepared as an antibacterial composition-containing solution of the present invention, and compared and evaluated for antibacterial properties.
- ethyl alcohol, the following surfactant, and the antibacterial composition of Example 3 were charged with a propeller-type stirrer and stirred sufficiently to prepare an antibacterial composition-containing solution.
- the blending ratio was 68% by mass of ethyl alcohol, 30% by mass of the antibacterial composition of Example 1, and 2% by mass of the surfactant described above.
- the surfactant is a mixture of 1% by mass of aliphatic higher alcohol ethylene oxide adduct and 1% by mass of linear alkylbenzene sulfonic acid.
- the antibacterial composition-containing solution prepared by the above-mentioned method and a commercially available wax for flooring (trade name: LINDA Super Hard Coat, manufactured by Yokohama Yushi Kogyo Co., Ltd.) are appropriately stirred and mixed using a propeller-type stirrer.
- a wax was prepared.
- the cleaner wax, the amount of antimicrobial sets forming material is, as a content after drying of the clean wax, 0 mass 0/0, were prepared in the condition to be 0.05 mass% and 0.2 mass% .
- the cleaner wax prepared in (1) was uniformly applied to a polyethylene sheet in a state of 70 g / m 2 and air-dried to obtain a test piece.
- the basis weight after drying is about 18gZm.
- the evaluation method was the same as the evaluation method of the experiment of [Example 4 and Comparative Examples 4 to 7] described above. That is, after spreading the mixed spore solution shown in Table 10 on the inorganic salt medium shown in Table 9 in Test Example 3 above, the prepared test piece was placed, the temperature was 28 ° C, and the humidity was 85% RH or more. The mold was cultivated for 28 days. Then, the growth state of the mold was visually confirmed and evaluated using the criteria of Test Example 3 described above. The results are shown in Table 23.
- Comparative Example 8 was such that no inorganic antibacterial agent was blended in Example 6 and each component was mixed in an equal amount (1Z2).
- the constitution of Comparative Example 9 is such that the organic antibacterial agent is not blended in Example 6 but is appropriately blended with the same components as those of the inorganic antibacterial agent in Example 6 (silver-supporting phosphorous). Zirconate 33% by mass, zinc oxide 67% by mass).
- Example 6 As an antibacterial performance test, the antibacterial composition obtained in Example 6 and Comparative Examples 8 and 9 was measured for the minimum growth inhibition concentration (MIC value: ppm) according to the following test method to evaluate the antibacterial performance. did.
- MIC value minimum growth inhibition concentration
- An antibacterial suspension was prepared by diluting an antibacterial composition with dimethyl sulfoxide so as to have a predetermined concentration (1000 ppm, 100 ppm, 50 ppm, etc.).
- test solution-containing agar solution was prepared.
- test strain-containing agar solution prepared in (3) is overlaid on the agar medium in (2) and solidified. It was. In an incubator, fungi were grown after culturing at 27 ° C for 72 hours, and bacteria were grown after culturing at 30 ° C for 24 hours. Of these, the lowest antibacterial composition concentration in the medium in which the test bacteria did not grow was defined as the minimum growth inhibition concentration (MIC value: ppm). The results are shown in Table 25 to Table 30.
- the concentration added to the solid content is 100 times or more of the MIC value, so that the MIC value is defined as 50 ppm or less in consideration of economy and safety.
- Japan Textile Evaluation Technology Council SOOppm or less, it will be 8% by mass at 100 times the acceptable level of 800ppm as an antibacterial agent. Or the physical properties of the antibacterial solution may be affected.
- the antibacterial composition of Example 6 has a MIC value for any of the test fungi (fungi, bacteria, algae) so that the results shown in Table 25 to Table 30 can be obtained. It was 50 ppm or less, and it was possible to inhibit the growth of many various test fungi at extremely low concentrations. Thus, it was confirmed that the antibacterial composition of Example 6 has a broad antibacterial spectrum and can effectively cope with a wide range of fungi.
- a tatami mat was prepared as the antibacterial molded article of the present invention, and the antibacterial properties were comparatively evaluated.
- Example 7 0.2% by mass of the antibacterial yarn and composition of Example 6 was mixed and kneaded with a polyolefin resin, a polyolefin film was produced by inflation molding, formed into a fiber, and then placed on a tatami mat. It was woven.
- Comparative Example 10 a polyolefin tatami table was prepared in the same manner as in Example 7 at a blending ratio of 0.2% by mass of thiabedazole, a commercially available antibacterial agent.
- Example 11 a silver-supported zeolite (Sinanenthemic (trade name)) was mixed at 0.2 mass%, and as Comparative Example 1 2, Silver-supported zeolite (Sinanenthemic (trade name;)) was 1.0.
- a polyolefin tatami table was prepared in the same manner as in Example 7 at a blending ratio of mass%.
- Comparative Example 13 a polyolefin tatami table was prepared in the same manner as in Example 7 without blending an antibacterial agent.
- An inorganic salt medium shown in Table 31 was prepared, and after autoclaving at 121 ° C. for 20 minutes, the pH was adjusted to 6.0 to 6.5 with an aqueous soda solution (NaOH solution).
- the fungal spores shown in Table 32 below were suspended in sterilized water and filtered to prepare a mixed spore solution having a concentration of about 1 ⁇ 10 6 cell / ml.
- spore suspension lauryl sulfate is used.
- Dispersion was performed using sodium.
- Example 7 Comparative Example 10
- Comparative Example 11 were cut into a size of 50 mm x 50 mm from above. After each piece is placed, the mold is cultured for 28 days at a temperature of 28 ° C and humidity of 85% RH or higher. Let The mold growth was visually confirmed and evaluated using the criteria shown in Table 33. The results are shown in Table 34.
- Example 7 and Comparative Examples 10 to 13 were also comparatively evaluated for the bactericidal activity value (general use) of Staphylococcus aureus as a bacterial species specified by the Fiber Evaluation Technology Council. The results are also shown in Table 34.
- the tatami mat containing the antibacterial composition of the present invention exhibited a distinctly stronger fungicidal property than the tatami mat of the thiabendazole compound that is a conventional fungicidal agent.
- the bactericidal activity value (general use) specified by the Textile Evaluation Technology Council was also log (A / C) ⁇ 0 (A: the number of bacteria in the standard fabric immediately after inoculation, C: Viable count of processed cloth after 18 hours of culture) and antibacterial evaluation (bactericidal activity value) was also good. [0181] [Experiment 3]
- a floor covering as a floor surface treating agent as a cleaning agent was prepared and comparatively evaluated for antibacterial properties.
- ethyl alcohol, the following surfactant, and the antibacterial composition of Example 6 were charged with a propeller-type stirrer and stirred thoroughly to prepare an antibacterial composition-containing solution.
- the blending ratio was 68% by mass of ethyl alcohol, 30% by mass of the antibacterial composition of Example 6, and 2% by mass of the surfactant described above.
- the surfactant is a mixture of 1% by mass of aliphatic higher alcohol ethylene oxide adduct and 1% by mass of linear alkylbenzene sulfonic acid.
- the antibacterial composition-containing solution prepared by the above-mentioned method and a commercially available wax for flooring (trade name: LINDA Super Hard Coat, manufactured by Yokohama Yushi Kogyo Co., Ltd.) are appropriately stirred and mixed using a propeller-type stirrer.
- a wax was prepared.
- the cleaner wax, the amount of antimicrobial sets forming material is, as a content after drying of the clean wax, 0 mass 0/0, were prepared in the condition to be 0.05 mass% and 0.2 mass% .
- the cleaner wax prepared in (1) was uniformly applied to a polyethylene sheet in a state of 70 g / m 2 and air-dried to obtain a test piece.
- the basis weight after drying is about 18gZm.
- bactericidal activity value (general use) of Staphylococcus aureus, Klebsiella pneumoniae and Methicillin 'Resistant' Stahirococcus' Aureus (MRSA) as the bacterial species specified by the Japan Textile Evaluation Technology Council for each specimen is also compared. evaluated. The results are shown in Table 35.
- the evaluation method was the same as the evaluation method of Experiment 2 described above. That is, after spreading the mixed spore solution shown in Table 32 on the inorganic salt medium shown in Table 31, place the prepared test piece, and mold for 28 days at a temperature of 28 ° C and humidity of 85% RH or higher. Incubated. Then, mold growth was visually confirmed and evaluated using the criteria shown in Table 33 above. That The results are shown in Table 36.
- the present invention relates to an antibacterial composition containing an organic antibacterial agent and an inorganic antibacterial agent, an antibacterial molded article provided with the antibacterial composition, an antibacterial composition-containing solution, a cleaning agent, a tatami mat and It can be used as a tatami mat, and microorganisms can easily propagate! It can be widely used as resin parts and paint materials used in the environment.
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Abstract
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Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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EP05765698A EP1779727A4 (en) | 2004-07-13 | 2005-07-12 | ANIBACTERIAL COMPOSITION, ANTIBACTERIAL MOLDING, SOLUTION CONTAINING ANTIBACTERIAL COMPOSITION, DETERGENT, JUDO MAT SURFACE AND TATAMI |
US11/632,271 US20080138385A1 (en) | 2004-07-13 | 2005-07-12 | Antibacterial Composition, Antibacterial Molding, Solution Containing Antibacterial Composition, Detergent, Surface of Tatami Mat and Tatami Mat |
CN2005800236371A CN101005762B (zh) | 2004-07-13 | 2005-07-12 | 抗菌性组合物、抗菌性成型体、含有抗菌性组合物的溶液、洗涤剂、榻榻咪表面以及榻榻咪 |
KR1020077000894A KR101105182B1 (ko) | 2004-07-13 | 2005-07-12 | 항균성 조성물, 항균성 성형체, 항균성 조성물 함유 용액, 세정제, 다다미 표면 및 다다미 |
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JP2005136366A JP4713937B2 (ja) | 2005-05-09 | 2005-05-09 | 抗菌性組成物、抗菌性成形体、抗菌性組成物含有溶液、洗浄剤、および、畳表 |
JP2005-136708 | 2005-05-09 | ||
JP2005136708A JP2006052205A (ja) | 2004-07-13 | 2005-05-09 | 抗菌性組成物、抗菌性樹脂成形体、抗菌性組成物含有溶液、洗浄剤、畳表および畳 |
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US (1) | US20080138385A1 (ja) |
EP (1) | EP1779727A4 (ja) |
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- 2005-07-12 US US11/632,271 patent/US20080138385A1/en not_active Abandoned
- 2005-07-12 CN CN2005800236371A patent/CN101005762B/zh active Active
- 2005-07-12 WO PCT/JP2005/012834 patent/WO2006006594A1/ja active Application Filing
- 2005-07-12 KR KR1020077000894A patent/KR101105182B1/ko active IP Right Grant
- 2005-07-12 EP EP05765698A patent/EP1779727A4/en not_active Withdrawn
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007088758A1 (ja) * | 2006-01-31 | 2007-08-09 | Toray Industries, Inc. | ポリアミド繊維、それからなる布帛および繊維製品 |
WO2008046746A2 (en) * | 2006-10-16 | 2008-04-24 | Ciba Holding Inc. | Acaricidal synthetic materials and articles made therefrom |
WO2008046746A3 (en) * | 2006-10-16 | 2009-07-23 | Ciba Holding Inc | Acaricidal synthetic materials and articles made therefrom |
JP2011020945A (ja) * | 2009-07-14 | 2011-02-03 | Idemitsu Technofine Co Ltd | 防かび性を有する床部材 |
JP2020007482A (ja) * | 2018-07-11 | 2020-01-16 | Toto株式会社 | 樹脂成形体および水まわり部材 |
JP2020007483A (ja) * | 2018-07-11 | 2020-01-16 | Toto株式会社 | 樹脂成形体および水まわり部材 |
Also Published As
Publication number | Publication date |
---|---|
KR101105182B1 (ko) | 2012-01-12 |
EP1779727A1 (en) | 2007-05-02 |
KR20070031393A (ko) | 2007-03-19 |
CN101005762B (zh) | 2012-06-27 |
EP1779727A4 (en) | 2010-08-04 |
CN101005762A (zh) | 2007-07-25 |
US20080138385A1 (en) | 2008-06-12 |
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