Classifications

• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
  • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
  • A01N25/08—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing solids as carriers or diluents
  • A01N25/10—Macromolecular compounds
• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
  • 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
• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
  • A01P1/00—Disinfectants; Antimicrobial compounds or mixtures thereof
• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
  • A01P3/00—Fungicides
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
  • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
  • C08J7/04—Coating
  • C08J7/044—Forming conductive coatings; Forming coatings having anti-static properties
• • 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
  • C08K3/00—Use of inorganic substances as compounding ingredients
  • C08K3/10—Metal compounds
  • C08K3/11—Compounds containing metals of Groups 4 to 10 or of Groups 14 to 16 of the Periodic Table
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
  • C08L101/00—Compositions of unspecified macromolecular compounds
• • D—TEXTILES; PAPER
  • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
  • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
  • D01F1/00—General methods for the manufacture of artificial filaments or the like
  • D01F1/02—Addition of substances to the spinning solution or to the melt
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
  • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
  • D06M13/02—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with hydrocarbons
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
  • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
  • D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
  • D06M13/165—Ethers
  • D06M13/17—Polyoxyalkyleneglycol ethers
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
  • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
  • D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
  • D06M13/224—Esters of carboxylic acids; Esters of carbonic acid

Definitions

• the present invention relates to an antibacterial/antiviral resin member that can inactivate attached bacteria and viruses.
• Patent Document 1 molded products such as filters and antiviral films that have antibacterial and antiviral properties have been developed (for example, Patent Document 1, Patent Document 2, and Patent Document 3).
• the main resin materials used for filters are highly water-repellent resins (substrate) such as polypropylene (PP), which is inexpensive and easy to process.
• substrate such as polypropylene (PP)
• PP polypropylene
• Antibacterial and antiviral resin members had poor contact efficiency with viruses and bacteria, and did not have sufficient antibacterial and antiviral performance.
• An object of the present invention is to provide an antibacterial/antiviral resin member that can efficiently inactivate bacteria and viruses attached to its surface.
• the present inventors determined that the amount of electrical charge of the antibacterial/antiviral resin member should be 0 ⁇ C/m 2 or more and less than 7 ⁇ C/m 2 , preferably 0 ⁇ C/m 2 or more and 0.7 ⁇ C/m 2 It has been found that by making it less than 10%, the contact efficiency with bacteria and viruses can be improved, and the antibacterial performance and antiviral performance can be improved.
• the first invention includes a base formed of a resin and an antibacterial/antiviral agent contained in the base, and has a charge amount of 0 ⁇ C/m 2 or more and less than 7 ⁇ C/m 2 . It is a characteristic antibacterial and antiviral resin material.
• a second invention is an antibacterial/antiviral resin member according to the first invention, characterized in that an O/W emulsion is coated on the surface of the base.
• a third invention is the antibacterial/antiviral resin member according to the first invention, characterized in that an oil-soluble substance is attached to the surface of the base.
• a fourth invention is the antibacterial/antiviral resin according to the third invention, wherein the oil-soluble substance is one or more selected from the group consisting of liquid paraffin, mineral oil, and fatty acid ester. It is a member.
• a fifth invention is the antibacterial/antiviral resin member according to the third invention or the fourth invention, characterized in that a surfactant is attached to the surface of the base.
• a sixth invention is the antibacterial/antiviral resin member according to the fifth invention, wherein the surfactant is a nonionic surfactant.
• a seventh invention is the sixth invention, wherein the nonionic surfactant is one or more types selected from the group consisting of polyoxyalkyl ether, polyoxyethylene alkyl ether, and polyoxypropylene alkyl ether. It is an antibacterial and antiviral resin member characterized by the following.
• an antibacterial/antiviral resin member that can efficiently inactivate bacteria and viruses attached to the surface.
• the antibacterial/antiviral resin member of the present embodiment includes a base made of resin and an antibacterial/antiviral agent contained in the base, and has a charge amount of 0 ⁇ C/m 2 or more and 7 ⁇ C/m 2 less than
• the amount of electrical charge of the antibacterial/antiviral resin member is determined by a method based on method C (triboelectric charge measurement method) of JIS L 1094:2020 "Testing method for charging property of textiles and knitted materials". It refers to the amount of electrical charge when an acrylic cloth made of acrylic fibers is used as a friction cloth under conditions of a temperature of 20° C. ⁇ 2° C. and a relative humidity of 40% ⁇ 2%.
• the base body constituting the antibacterial/antiviral resin member of this embodiment is a material for fixing an antibacterial/antiviral agent, which will be described later, and is made of resin.
• resins that can be used as the base material include polyethylene resin, polypropylene resin, polystyrene resin, ABS resin, AS resin, AES resin, EVA resin, polymethylpentene resin, polyvinyl chloride resin, polyvinylidene chloride resin, Thermoplastic resins such as polymethyl acrylate resin, polyvinyl acetate resin, polyamide resin, polyimide resin, polycarbonate resin, polyethylene terephthalate resin, polybutylene terephthalate resin, polyacetal resin, polyarylate resin, polysulfone resin, silicone resin, polystyrene elastomer, etc.
• Examples include olefin elastomers such as styrene elastomers, polyethylene elastomers, and polypropylene elastomers, polyurethane elastomers such as polyurethane elastomers, and thermoplastic elastomers such as vinyl chloride elastomers, polyester elastomers, and nylon elastomers.
• olefin elastomers such as styrene elastomers, polyethylene elastomers, and polypropylene elastomers
• polyurethane elastomers such as polyurethane elastomers
• thermoplastic elastomers such as vinyl chloride elastomers, polyester elastomers, and nylon elastomers.
• the number of resins constituting the base body may be one, or two or more types may be used.
• the shape and form of the substrate constituting the antibacterial/antiviral resin member of this embodiment is not particularly limited, and in addition to sheet-like materials such as woven fabrics, knitted fabrics, non-woven fabrics, sheets, and films, It may be in the form of a molded body.
• the antibacterial/antiviral agent contained in the above-mentioned substrate is a substance that exhibits antibacterial and antiviral properties, and known substances such as organic and inorganic substances can be used.
• Organic antibacterial and antiviral agents include thiazole, isothiazole, imidazole, pyridine, triazine, aldehyde, phenol, biguanide, nitrile, halogen, anilide, disulfide, and thiocarbamate.
• synthetic organic antibacterial and antiviral agents such as organosilicon quaternary ammonium salts, quaternary ammonium salts, amino acids, organometallics, alcohols, carboxylic acids, and esters, as well as hinokitiol and chitosan-based agents. Examples include natural organic antibacterial and antiviral agents.
• Inorganic antibacterial and antiviral agents include silver, copper, zinc, platinum, zinc compounds, silver compounds, copper compounds, metal oxide catalysts supported with metals or metal oxides, and zeolites ion-exchanged with metal ions. , activated carbon, mesoporous silica, silica gel, etc.
• shape of the inorganic antibacterial/antiviral agent is not particularly limited, but from the viewpoint of further improving antibacterial performance and antiviral performance, fine particles are preferable.
• the particle diameter of the fine particles is not particularly limited, but from the viewpoint of further improving antibacterial performance and antiviral performance, it is preferable that the volume average particle diameter is 1.0 nm or more and 500 nm or less.
• the volume average particle diameter can be measured, for example, by the laser Doppler method (dynamic/electrophoretic light scattering method), and for the measurement, for example, a zeta potential/particle size measurement system (manufactured by Otsuka Electronics) can be used. I can do it.
• the laser Doppler method dynamic/electrophoretic light scattering method
• a zeta potential/particle size measurement system manufactured by Otsuka Electronics
• inorganic antibacterial and antiviral agents can reduce the infectivity of various viruses and inactivate them, regardless of the type of genome or the presence or absence of envelopes.
• Viruses that can be inactivated by the antibacterial/antiviral resin member of this embodiment include, for example, rhinovirus, poliovirus, foot-and-mouth disease virus, rotavirus, norovirus, enterovirus, hepatovirus, astrovirus, sapovirus, hepatitis E virus, Influenza virus types A, B, C, parainfluenza virus, mumps virus, measles virus, human metapneumovirus, respiratory syncytial virus, Nipah virus, Hendra virus, yellow fever virus, dengue virus, Japanese encephalitis virus, West Nile Viruses: Hepatitis B and C viruses, Eastern and Western equine encephalitis virus, Onyonnyon virus, Rubella virus, Lassa virus, Junin virus, Machupovirus, Guanarito virus, Sabia virus, Crimean-Congo hemorrhagic fever virus, Sand fly Fever, Hantavirus, Sin Nombre virus, Rabies virus, Ebola virus, Marburg
• Bacteria that can be inactivated by the antibacterial/antiviral resin member of this embodiment include various bacteria regardless of their characteristics, such as Gram-positive/negative, aerobic/anaerobic, etc. Specifically, for example, , Escherichia coli, Staphylococcus aureus, Staphylococcus epidermidis, Streptococcus, Streptococcus pneumoniae, Haemophilus influenzae, Haemophilus pertussis, Haemophilus enteritidis, Klebsiella pneumoniae, Pseudomonas aeruginosa, Vibrio, Salmonella enterica, Vibrio cholerae, Shigella, Anthrax, Mycobacterium tuberculosis, Botulinum. Examples include Clostridium tetani and Streptococcus.
• the antibacterial/antiviral agent contained in the substrate may be one type of substance, or may be two or more types of substances.
• at least two types of substances may be used as an antibacterial/antiviral agent: one that exhibits only antibacterial properties and one that only exhibits antiviral properties, and one that exhibits both antibacterial and antiviral properties.
• At least one substance may be used.
• An example of an antibacterial/antiviral agent that exhibits both antibacterial and antiviral properties is a monovalent copper compound.
• the form in which the antibacterial/antiviral agent is contained in the substrate is not particularly limited, and may be dispersed inside the substrate, and at least a portion of the antibacterial/antiviral agent dispersed inside the substrate. may be exposed from the surface of the substrate, or the antibacterial/antiviral agent may be fixed to the surface of the substrate. From the viewpoint of increasing the contact efficiency between the antibacterial and antiviral agent and bacteria and viruses, the antibacterial and antiviral agent is preferably fixed to the surface of the substrate.
• the content of the antibacterial/antiviral agent can be appropriately set depending on the desired antibacterial and antiviral performance, but for example, the content of the antibacterial/antiviral agent may be 0.1% by mass or more based on 100% by mass of the antibacterial/antiviral resin member. It can be less than 80% by mass, and preferably 0.1% by mass or more and 15% by mass or less.
• the substrate may contain other components (hereinafter also simply referred to as "other components") other than the antibacterial and antiviral agents.
• Other ingredients include plasticizers, desiccants, hardeners, anti-skinning agents, flattening agents, anti-sag agents, anti-mold agents, ultraviolet absorbers, heat absorbers, lubricants, surfactants, and thickeners. , viscosity modifiers, stabilizers, dryness modifiers, pigments, dispersants, antifungal compositions, antiallergen compositions, catalysts, antireflection materials, and materials with heat-shielding properties. Two or more types of other components may be included.
• the form in which the other components are contained in the substrate is not particularly limited, and they may be dispersed inside the substrate, so that some of the other components dispersed inside the substrate are removed from the surface of the substrate. It may be exposed or fixed to the surface of the substrate.
• the antibacterial/antiviral resin member of this embodiment has a temperature of 20°C, which is measured by a method based on method C (triboelectric charge measurement method) of JIS L 1094:2020 "Electrostatic test method for woven and knitted fabrics".
• the amount of electrical charge (hereinafter also simply referred to as "the amount of charged charge") when using acrylic cloth made of acrylic fiber as the friction cloth is 0 ⁇ C/m 2 or more and less than 7 ⁇ C/m 2 . If the amount of electrical charge is 7 ⁇ C/m 2 or more, the efficiency of contact with bacteria and viruses attached to the surface becomes poor, and bacteria and viruses cannot be inactivated efficiently.
• the amount of electrical charge of the antibacterial/antiviral resin member may be 0 ⁇ C/m 2 or more and less than 7 ⁇ C/m 2 , but from the viewpoint of further improving antibacterial and antiviral performance, it is 0 ⁇ C/m 2 or more and less than 0 ⁇ C/m 2 or more. Preferably it is less than 7 ⁇ C/m 2 .
• the amount of electrical charge of an antibacterial/antiviral resin member varies depending on the type and blending ratio of the materials that make up the base, so by adjusting the composition of the resin that makes up the base, it can be adjusted to between 0 ⁇ C/m2 and 7 ⁇ C. / m2 .
• the amount of electrical charge of the antibacterial/antiviral resin member can also be adjusted by coating the surface of the substrate with an O/W emulsion.
• the amount of electrical charge on an antibacterial/antiviral resin member varies depending on the composition and amount of O/W emulsion applied to the surface of the substrate, so the composition and amount of application of the O/W emulsion must be adjusted.
• the composition of the material that makes up the substrate is more limited than when adjusting the amount of charged charge by the composition of the resin that makes up the substrate. This makes it easier to apply antibacterial and antiviral resin components to more applications.
• the emulsion It is easy to adjust the amount of solid content (non-volatile components) on the substrate surface by adjusting the concentration.
• an emulsion refers to a system in which one of two immiscible substances (an oil-soluble substance and a water-soluble substance) is dispersed as fine droplets in the other liquid phase.
• O/W emulsions oil-in-water emulsions
• W/O emulsions water-in-oil emulsions
• the O/W emulsion contains at least an oil-soluble substance for forming droplets and a water-soluble substance for dispersing the droplets.
• the oil-soluble substance may be any oil-soluble substance that is liquid, paste, or solid at room temperature, and is not particularly limited, but examples include isostearic acid, isopalmitic acid, oleic acid, palmitoleic acid, linoleic acid, and ricinolein.
• Fatty acids such as acids, lanolin derivatives such as lanolin, lanolin alcohol, and hydrogenated lanolin alcohol, higher alcohols such as cetanol, hexyldecanol, isostearyl alcohol, stearyl alcohol, octyldodecanol, oleyl alcohol, cetostearyl alcohol, and behenyl alcohol, cholesterol derivatives, and Examples include fatty acid esters derived from animal and vegetable oils such as phytosterol derivatives, fatty acid oligomer esters, paraffin, mineral oil, fatty acid esters (PEO), and one or more of these can be used.
• the water-soluble substance may be liquid at room temperature and is not particularly limited, but for example, water can be used.
• the oil-soluble substance is selected from the group consisting of liquid paraffin, mineral oil, and fatty acid ester (PEO). It is preferable to use at least one type of water-soluble substance, and it is preferable to use water as the water-soluble substance.
• the fatty acid ester which is one of the oil-soluble substances, is not limited in terms of carbon number, and may be a saturated fatty acid ester or an unsaturated fatty acid ester. From the viewpoint of more efficiently inactivating bacteria and viruses, the fatty acid ester that can be used as the oil-soluble substance is preferably a liquid fatty acid ester having 15 to 50 carbon atoms.
• the content of the oil-soluble substance in the O/W emulsion may be appropriately adjusted so that the amount of electrical charge on the antibacterial/antiviral resin member is 0 ⁇ C/m 2 or more and less than 7 ⁇ C/m 2 . It can be 3% by mass or more and 15% by mass or less based on 100% by mass (100% by mass of O/W emulsion).
• the O/W emulsion only needs to contain at least an oil-soluble substance and a water-soluble substance, but preferably contains a surfactant in order to stably disperse oil droplets in water.
• the surfactant is not particularly limited, and both anionic surfactants and nonionic surfactants can be used.
• anionic surfactant one having a carboxylic acid, sulfonic acid, or phosphoric acid structure as a hydrophilic group can be used.
• carboxylic acid surfactants include fatty acid salts and cholates, which are the main components of soaps.
• sulfonic acid surfactants include sodium linear alkylbenzene sulfonate and sodium lauryl sulfate, which are often used in synthetic detergents.
• fatty acid soda soap, potassium oleate soap, carboxylic acid salts such as alkyl ether carboxylates, sodium lauryl sulfate, sodium higher alcohol sulfate, triethanolamine lauryl sulfate, polyoxyethylene sodium lauryl ether sulfate, Sulfates such as sodium oxyethylene alkyl ether sulfate, sodium dodecylbenzenesulfonate, sodium alkylnaphthalenesulfonate, sodium alkyldiphenyl ether disulfonate, sodium alkanesulfonate, and sulfonates such as the sodium salt of aromatic sulfonic acid formalin condensate;
• Examples include alkyl phosphate potassium salt, sodium hexametaphosphate, dialkyl sulfosuccinic acid, and the like. These surfactants may be used alone or in combination.
• nonionic surfactants include alkylphenol ethylene oxide adducts, higher alcohol ethylene oxide adducts, polyoxyethylene fatty acid esters, fatty acid ethylene oxide adducts and polyethylene glycol fatty acid esters, higher alkylamine ethylene oxide adducts and fatty acid amide ethylene oxide adducts, Polyoxyethylene alkylamines and polyoxyethylene fatty acid amides, polypropylene glycol ethylene oxide adducts, nonionic surfactants fatty acid esters of glycerin and pentaerythritol, fatty acid esters of sorbitol and sorbitan, fatty acid esters of sucrose, alkyl polyglycoside fatty acids, alkanols Examples include amides. These surfactants may be used alone or in combination.
• nonionic surfactants compared to anionic surfactants, nonionic surfactants form larger micelles and can hold a large amount of oil-soluble substances, so it is preferable to use nonionic surfactants.
• nonionic surfactants one or more selected from the group consisting of polyoxyalkyl ether, polyoxyethylene alkyl ether, and polyoxypropylene alkyl ether is particularly preferred.
• the content of the surfactant in the O/W emulsion may be adjusted appropriately so that the amount of electrical charge on the antibacterial/antiviral resin member is 0 ⁇ C/m 2 or more and less than 7 ⁇ C/m 2 and is not particularly limited.
• the amount may be 0.025 to 5% by weight based on 100% by weight of the coating liquid (100% by weight of O/W emulsion).
• the non-volatile components contained in the coating liquid adhere to the surface of the substrate, and the amount of electrical charge on the antibacterial/antiviral resin member is adjusted by this non-volatile component.
• the nonvolatile components include oil-soluble substances and surfactants among the components of the coating liquid mentioned above.
• the content of non-volatile components in the O/W emulsion is appropriately adjusted so that the amount of electrical charge when acrylic is used as a friction cloth for antibacterial/antiviral resin members is 0 ⁇ C/m 2 or more and less than 7 ⁇ C/m 2
• the amount may be 0.4 to 30% by mass based on 100% by mass of the coating liquid (100% by mass of O/W emulsion), although it is not particularly limited.
• the nonvolatile components contained in the O/W emulsion adhere to and remain on the surface of the substrate.
• Oil-soluble substances remain on the surface of the substrate.
• the non-volatile A mixture containing an oil-soluble substance and a surfactant as components remains (adheres) on the surface of the substrate.
• the amount of nonvolatile components of the O/W emulsion attached to the substrate in the antibacterial/antiviral resin member
• the content of non-volatile components may be appropriately adjusted so that the amount of electrical charge is 0 ⁇ C/m 2 or more and less than 7 ⁇ C/m 2 , but for example, based on 100% by mass of the antibacterial/antiviral resin member, It can be 0.1% by mass or more and 20% by mass or less.
• the amount of nonvolatile components of the O/W emulsion that adheres to the substrate (the content of nonvolatile components in antibacterial and antiviral resin materials) It is preferably 0.3% by mass or more and 12% by mass or less based on 100% by mass of the resin member.
• the above-mentioned amount of non-volatile components attached means the total amount of attached non-volatile components of the O/W emulsion that adheres to the substrate, if there are two or more types of non-volatile components that adhere to the substrate.
• the O/W emulsion has only one type of non-volatile component, it means the amount of the one type of non-volatile component attached.
• the blending ratio of the surfactant and oil-soluble substance in the non-volatile components is
• the mass ratio can be 0.1:100 to 20:100 (surfactant: oil-soluble substance), and from the viewpoint of more efficiently inactivating bacteria and viruses, the mass ratio is 0.5. :100 to 10:100 (surfactant: oil-soluble substance).
• the amount of electrical charge of the antibacterial/antiviral resin member is adjusted by the type or blending ratio of the material constituting the base, the amount of electrical charge of the antibacterial/antiviral resin member is 0 ⁇ C/m 2 or more, 7 ⁇ C/m 2
• the antibacterial/antiviral resin member of the present embodiment can be manufactured by containing an antibacterial/antiviral agent in the base material, which has been adjusted in advance to have an antibacterial/antiviral agent.
• the method of containing the antibacterial/antiviral agent in the substrate can be appropriately determined depending on the form of containing the antibacterial/antiviral agent, and is not particularly limited.
• the amount of electrical charge of the antibacterial/antiviral resin member is adjusted in advance to be 0 ⁇ C/m 2 or more and less than 7 ⁇ C/m 2 .
• the antibacterial/antiviral resin member of this embodiment can be manufactured by adding an antibacterial/antiviral agent to the prepared base material, mixing it, and molding it into a predetermined shape.
• the charge amount of the antibacterial/antiviral resin member should be 0 ⁇ C/m 2 or more and less than 7 ⁇ C/m 2 in advance.
• the antibacterial/antiviral resin member of this embodiment can be manufactured by adhering the antibacterial/antiviral agent to the prepared base.
• the method of fixing the antibacterial/antiviral agent to the substrate is not particularly limited, and conventionally known methods can be used.
• the antibacterial/antiviral resin member when adjusting the amount of electrical charge of the antibacterial/antiviral resin member by coating the surface of the substrate with an O/W emulsion, the antibacterial/antiviral resin member
• the antibacterial/antiviral resin of this embodiment is coated with an O/W emulsion that has been adjusted in advance so that the electric charge amount is 0 ⁇ C/m 2 or more and less than 7 ⁇ C/m 2 and dried. parts can be manufactured.
• the method for coating the O/W emulsion on the surface of the substrate is not particularly limited, and conventionally known methods can be used. For example, methods such as a dipping method, a spray method, a roll coater method, a bar coater method, a spin coat method, a gravure printing method, an offset printing method, a screen printing method, and an inkjet printing method can be used.
• copper compound particles are ground into nano-order particles using a jet mill, hammer mill, ball mill, vibration mill, bead mill, etc.
• the pulverization method is not particularly limited, and both dry and wet methods can be used.
• the pulverized copper compound particles are dispersed in a dispersion medium such as water, methanol, ethanol, MEK (methyl ethyl ketone), acetone, xylene, toluene, or the like.
• a dispersant such as a surfactant is added as necessary, and the process is dispersed and crushed using equipment such as a bead mill, ball mill, sand mill, roll mill, vibration mill, or homogenizer.Furthermore, silane monomer is added, and copper A slurry in which compound particles are dispersed is prepared.
• the slurry prepared as described above is applied to a resin as a substrate by dipping, spraying, roll coater, bar coater, spin coating, gravure printing, offset printing, screen printing, inkjet printing, etc. Apply using the following method.
• the solvent dispersion medium
• the copper compound particles are fixed by chemically bonding the functional groups on the substrate surface with the silane monomer through graft polymerization by reheating or by irradiation with radiation such as infrared rays, ultraviolet rays, electron beams, and ⁇ rays.
• a resin (substrate containing an antibacterial/antiviral agent) is obtained.
• an O/W emulsion which has been adjusted in advance so that the amount of electrical charge of the antibacterial/antiviral resin member is 0 ⁇ C/m 2 or more and less than 7 ⁇ C/m 2 is applied. Apply and dry.
• the coating method as mentioned above, methods such as dipping method, spray method, roll coater method, bar coater method, spin coat method, gravure printing method, offset printing method, screen printing method, inkjet printing method, etc. can be used. I can do it.
• the drying method may be any method as long as volatile components are removed from the O/W emulsion coated on the surface of the substrate, and any conventionally known method can be used. Through these operations, the antibacterial/antiviral resin member of this embodiment can be obtained.
• masterbatch pellets are prepared in which copper compound particles, which are antibacterial and antiviral agents, are mixed (dispersed). Masterbatch pellets are manufactured, for example, as follows.
• this antibacterial/antiviral agent is mixed with resin pellets, By using a kneading extruder, the antibacterial/antiviral agent is dispersed inside the resin pellets.
• the dispersant is drawn around the copper compound fine particles during kneading, and as a result, the copper compound fine particles are mixed with the dispersant.
• a coated antibacterial/antiviral agent is produced and the antibacterial/antiviral agent is dispersed inside the resin pellet.
• the resin containing the antibacterial/antiviral agent is finely cut using a pelletizer to obtain masterbatch pellets in which the antibacterial/antiviral agent is mixed (dispersed).
• the proportion (concentration) of the antibacterial/antiviral agent at the time of manufacturing the masterbatch pellets can be appropriately set by those skilled in the art.
• the obtained masterbatch pellets are melted and kneaded with a resin using a molding machine, and molded to obtain a resin (substrate) in which an antibacterial/antiviral agent is dispersed.
• a resin substrate in which an antibacterial/antiviral agent is dispersed.
• methods such as injection molding and blow molding can be used.
• the antibacterial/antiviral resin member of the present embodiment may be in the form of a sheet, film, fiber, cloth, mesh (network structure), honeycomb, nonwoven fabric, etc. It can be manufactured in various forms (shapes, sizes, etc.) to suit the purpose of use.
• the resin in which the antibacterial/antiviral agent is dispersed can be molded by a T-die method, an inflation method, or the like.
• the resin in which the antibacterial/antiviral agent is dispersed can be molded by melt spinning, etc., and can be made into irregularly shaped threads, core-sheath threads, etc. You can also do it.
• the resin in which the antibacterial/antiviral agent is dispersed can be molded by melt spinning, etc., and can be made into irregularly shaped threads, core-sheath threads, etc. You can also do it.
• the resin in which the antibacterial/antiviral agent is dispersed can be molded by melt spinning, etc., and can be made into irregularly shaped threads, core-sheath threads, etc. You can also do it.
• the resin in which the antibacterial/antiviral agent is dispersed can be molded by melt spinning, etc., and can be made into irregularly shaped threads, core-sheath threads, etc. You can also do it.
• the resin in which the antibacterial/antiviral agent is dispersed can be molded by melt
• the substrate contains components other than the antibacterial/antiviral agent
• the other components can be contained in the substrate together with the antibacterial/antiviral agent.
• the surface of the substrate thus obtained (the resin in which the antibacterial/antiviral agent is dispersed) is coated with the antibacterial/antiviral resin material so that the amount of electrical charge is 0 ⁇ C/m 2 or more and less than 7 ⁇ C/m 2 .
• a pre-adjusted O/W emulsion is applied and dried.
• the coating method as mentioned above, methods such as dipping method, spray method, roll coater method, bar coater method, spin coat method, gravure printing method, offset printing method, screen printing method, inkjet printing method, etc. can be used. can.
• the drying method may be any method as long as volatile components are removed from the O/W emulsion coated on the surface of the substrate, and any conventionally known method can be used. Through these operations, the antibacterial/antiviral resin member of this embodiment can be obtained.
• the antibacterial/antiviral resin member of this embodiment obtained by the above manufacturing method can be used not only for basic fiber structures such as woven fabrics, knitted fabrics, and nonwoven fabrics, but also for clothing, bedding, bedding materials, masks, handkerchiefs, towels, Sheet-like products such as carpets, curtains, exterior wall materials, construction materials, interior materials, air purifiers, air conditioners, ventilation fans, vacuum cleaners, electric fans, filters for air conditioners, vehicles, etc., protective clothing, protective nets, Agricultural materials such as insect-proof nets, nets for poultry houses, films for houses, films for tunnel houses, fin materials for air conditioners, molded bodies such as trays for plant factories, panels, sashes, doors, blinds, ceiling boards, floor boards, windows, etc. It can be used as a member for constructing building materials, interior materials, exterior wall materials, etc.
• Polyethylene masterbatch pellets containing copper (I) iodide (CuI) as an antibacterial/antiviral agent and polyethylene resin and polypropylene resin are melted and mixed so that the masterbatch pellets are 10 wt%.
• a mixture containing 1% by mass of copper(I) chloride was obtained.
• the obtained mixture is melted using a melt extruder installed in a melt spinning device, discharged from a spinneret installed in the melt spinning device, and taken off at a predetermined speed while cooling in a water tank to produce copper iodide ( I) Containing fibers were obtained.
• the fiber diameter of the obtained copper (I) iodide-containing fiber was 150 ⁇ m, and the volume average particle diameter of copper iodide was 350 nm.
• Example 1 Using the copper (I) iodide-containing fibers obtained above, a woven fabric (plain weave; 60 mesh) was woven using a rapier loom (manufactured by Dornier). A cloth impregnated with an O/W emulsion (Merry W, Marubishi Yuka Kogyo Co., Ltd.) containing 1.3% by mass of a nonionic surfactant (polyoxyethylene alkyl ether) and 26% by mass of mineral oil during weaving.
• the antibacterial/antiviral resin composition (fabric) of Example 1 was obtained by weaving while applying the O/W emulsion to the fibers.
• the content (adhesion amount) of nonvolatile components in the O/W emulsion was 7.1% by mass based on 100% by mass of the antibacterial/antiviral fiber.
• Example 2 A Russell knit (28 mesh) was knitted using the copper (I) iodide-containing fiber obtained above using a Russell warp knitting machine (manufactured by Karl Mayer). A roll impregnated with an O/W emulsion (Marubishi Yuka Kogyo Co., Ltd. Merry W) containing 2.0% by mass of a nonionic surfactant (polyoxyethylene alkyl ether) and 20% by mass of mineral oil during knitting.
• the antibacterial/antiviral resin composition (knitted fabric) of Example 2 was obtained by passing fibers through the fabric and knitting while applying an O/W emulsion to the fibers. In the antibacterial/antiviral resin composition of Example 2, the content (adhesion amount) of nonvolatile components in the O/W emulsion was 10.0% by mass based on 100% by mass of the antibacterial/antiviral fiber.
• Example 3 Using the copper (I) iodide-containing fibers obtained above, a woven fabric (plain weave; 60 mesh) was woven using a rapier loom (manufactured by Dornier). O/W emulsion containing 0.2% by mass of nonionic surfactant (polyoxyethylene alkyl ether) and 9.5% by mass of mineral oil during weaving (nonvolatile component concentration 10.0w/wt%; Marubishi Yuka Kogyo Co., Ltd.
• the antibacterial/antiviral resin composition (fabric) of Example 3 was obtained by placing a cloth impregnated with Merry W) and weaving while applying the O/W emulsion to the fibers. In the antibacterial/antiviral resin composition of Example 3, the content (adhesion amount) of nonvolatile components in the O/W emulsion was 1.4% by mass based on 100% by mass of the antibacterial/antiviral fiber.
• Example 4 Using the copper (I) iodide-containing fibers obtained above, a woven fabric (plain weave; 60 mesh) was woven using a rapier loom (manufactured by Dornier). O/W emulsion containing 0.04% by mass of nonionic surfactant (polyoxyethylene alkyl ether) and 4.9% by mass of mineral oil during weaving (concentration of non-volatile components: 5w/wt%; Marubishi Yuka Kogyo Co., Ltd.)
• the antibacterial/antiviral resin composition (fabric) of Example 4 was obtained by placing a cloth impregnated with Merry W) and weaving while applying the O/W emulsion to the fibers. In the antibacterial/antiviral resin composition of Example 4, the content (adhesion amount) of nonvolatile components in the O/W emulsion was 0.4% by mass based on 100% by mass of the antibacterial/antiviral fiber.
• Comparative example 1 The method was the same as in Example 1, except that weaving was carried out without placing the cloth impregnated with O/W emulsion (Merry W, Marubishi Yuka Kogyo Co., Ltd.) (i.e., O/W emulsion was impregnated with copper iodide (I). )
• An antibacterial/antiviral resin composition (fabric) of Comparative Example 1 was obtained in the same manner as in Example 1 except that the fibers contained therein were not coated.
• Comparative example 2 The same method as in Example 2 was carried out except that the fibers were not passed through a roll impregnated with an O/W emulsion (Merry W, Marubishi Yuka Kogyo Co., Ltd.) (i.e., the O/W emulsion was impregnated with copper(I) iodide).
• An antibacterial/antiviral resin composition (knitted fabric) of Comparative Example 2 was obtained in the same manner as in Example 2 except that the fibers contained therein were not coated.
• Comparative example 3 After spinning fibers using polyethylene masterbatch pellets that do not contain copper (I) iodide (CuI) as an antibacterial/antiviral agent, weaving was performed in the same manner as in Example 1, and the resin composition of Comparative Example 3 was obtained. I got something (fabric). In the resin composition of Comparative Example 3, the content of nonvolatile components remaining on the surface of the fabric was 7.1% by mass based on 100% by mass of the fibers.
• CuI copper iodide

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• 2023
  • 2023-03-30 WO PCT/JP2023/013373 patent/WO2023190973A1/ja not_active Ceased
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