WO2024029404A1 - 抗ウイルス性樹脂材料、抗ウイルス性樹脂成形品の製造方法及び抗ウイルス性樹脂成形品 - Google Patents

抗ウイルス性樹脂材料、抗ウイルス性樹脂成形品の製造方法及び抗ウイルス性樹脂成形品 Download PDF

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WO2024029404A1
WO2024029404A1 PCT/JP2023/027205 JP2023027205W WO2024029404A1 WO 2024029404 A1 WO2024029404 A1 WO 2024029404A1 JP 2023027205 W JP2023027205 W JP 2023027205W WO 2024029404 A1 WO2024029404 A1 WO 2024029404A1
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resin
antiviral
antiviral agent
weight
resin material
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PCT/JP2023/027205
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English (en)
French (fr)
Japanese (ja)
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拓人 小齊
道章 笹山
翔太 萩原
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積水化学工業株式会社
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Priority to JP2023547226A priority Critical patent/JPWO2024029404A1/ja
Priority to CN202380045208.2A priority patent/CN119255705A/zh
Publication of WO2024029404A1 publication Critical patent/WO2024029404A1/ja

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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
    • 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
    • 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
    • A01N61/00—Biocides, pest repellants or attractants, or plant growth regulators containing substances of unknown or undetermined composition, e.g. substances characterised only by the mode of action
    • 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

Definitions

  • the present invention relates to an antiviral resin material containing an antiviral agent.
  • the present invention also relates to a method for producing an antiviral resin molded article and an antiviral resin molded article.
  • infectious diseases caused by viruses such as severe respiratory infection (SARS) virus, avian influenza virus, foot-and-mouth disease virus, new type influenza virus, and new coronavirus have become social issues.
  • SARS severe respiratory infection
  • Patent Document 1 discloses a resin molded article containing a polymer resin, stearyldiethanolamine, and palmityldiethanolamine.
  • the content of palmityldiethanolamine is 2 parts by mass to 25 parts by mass based on 100 parts by mass of the total amount of stearyldiethanolamine and palmityldiethanolamine.
  • the polymer resin contains polyolefin or polyamide.
  • the thermoplastic resin contains a thermoplastic resin, an antiviral agent, and a compound different from the antiviral agent and having a hydrophilic group
  • the thermoplastic resin is a polyolefin resin, acrylonitrile butadiene, etc.
  • An antiviral resin material is provided that includes a styrene resin or a polyvinyl chloride resin, and the antiviral agent includes a sulfonic acid antiviral agent, a silver antiviral agent, or a carboxylic acid antiviral agent.
  • the content of a compound different from the antiviral agent and having a hydrophilic group is 1% by weight or more in 100% by weight of the antiviral resin material. It is 50% by weight or less.
  • the content of the antiviral agent is 0.5% by weight or more and 10% by weight or less in 100% by weight of the antiviral resin material.
  • the thermoplastic resin includes the polyolefin resin.
  • the antiviral agent includes the sulfonic acid antiviral agent.
  • the compound that is different from the antiviral agent and has a hydrophilic group includes a polyethylene glycol compound, cellulose, or polyvinylpyrrolidone.
  • the antiviral resin material is a resin pellet.
  • the antiviral resin material is a masterbatch.
  • the antiviral resin material is an injection molding material.
  • a method for producing an antiviral resin molded article which includes a molding step of molding the above-mentioned antiviral resin material to obtain an antiviral resin molded article.
  • the manufacturing method includes mixing the antiviral resin material and another resin material, and mixing the antiviral resin material and the other resin material.
  • the mixed resin material is molded in the molding step.
  • the thermoplastic resin contains a thermoplastic resin, an antiviral agent, and a compound different from the antiviral agent and having a hydrophilic group
  • the thermoplastic resin is a polyolefin resin, acrylonitrile butadiene, etc.
  • An antiviral resin molded article is provided that contains a styrene resin or a polyvinyl chloride resin, and the antiviral agent includes a sulfonic acid antiviral agent, a silver antiviral agent, or a carboxylic acid antiviral agent.
  • the invention includes a thermoplastic resin and an antiviral agent
  • the thermoplastic resin includes a polyolefin resin, an acrylonitrile butadiene styrene resin, or a polyvinyl chloride resin
  • the antiviral agent a sulfonic acid-based antiviral agent, a silver-based antiviral agent, or a carboxylic acid-based antiviral agent
  • the contact angle of the surface of the antiviral resin molded product with water at 23°C is 89° or less.
  • a molded resin product is provided.
  • the content of a compound different from the antiviral agent and having a hydrophilic group in 100% by weight of the antiviral resin molded product is 1% by weight. % or more and 25% or less by weight.
  • the content of the antiviral agent is 0.5% by weight or more and 5% by weight or less in 100% by weight of the antiviral resin molded product. .
  • the antiviral resin material according to the present invention contains a thermoplastic resin, an antiviral agent, and a compound different from the antiviral agent and having a hydrophilic group.
  • the thermoplastic resin includes a polyolefin resin, an acrylonitrile-butadiene-styrene resin, or a polyvinyl chloride resin
  • the antiviral agent includes a sulfonic acid-based antiviral agent, a silver-based antiviral agent, and a silver-based antiviral agent.
  • the antiviral resin molded article according to the present invention contains a thermoplastic resin, an antiviral agent, and a compound different from the antiviral agent and having a hydrophilic group.
  • the thermoplastic resin includes a polyolefin resin, an acrylonitrile-butadiene-styrene resin, or a polyvinyl chloride resin
  • the antiviral agent includes a sulfonic acid-based antiviral agent, a silver-based antiviral agent, and a silver-based antiviral agent.
  • the antiviral resin molded article according to the present invention contains a thermoplastic resin and an antiviral agent.
  • the thermoplastic resin includes a polyolefin resin, an acrylonitrile-butadiene-styrene resin, or a polyvinyl chloride resin
  • the antiviral agent includes a sulfonic acid-based antiviral agent, a silver-based antiviral agent, and a silver-based antiviral agent.
  • the contact angle of the surface of the antiviral resin molded article according to the present invention to water at 23° C. is 89° or less. Since the antiviral resin molded article according to the present invention has the above configuration, the antiviral properties of the antiviral agent can be effectively enhanced.
  • FIG. 1 is a cross-sectional view schematically showing an antiviral resin molded product according to an embodiment of the present invention.
  • antiviral resin material may be referred to as "resin material.”
  • Antiviral resin molded product is sometimes referred to as “resin molded product.”
  • Acrylonitrile-butadiene-styrene resin is sometimes referred to as “ABS resin.”
  • a "compound that is different from an antiviral agent and has a hydrophilic group” is sometimes described as a “hydrophilic compound.”
  • the resin material according to the present invention contains a thermoplastic resin, an antiviral agent, and a hydrophilic compound.
  • the thermoplastic resin includes a polyolefin resin, an ABS resin, or a polyvinyl chloride resin
  • the antiviral agent is a sulfonic acid-based antiviral agent, a silver-based antiviral agent, or a carboxylic acid-based antiviral agent. Contains antiviral agents.
  • the antiviral properties of the antiviral agent can be effectively enhanced. Furthermore, with the resin material according to the present invention, even when the resin material or a resin molded article using the same is used for a long period of time, it is possible to maintain high antiviral properties over a long period of time. In addition, the resin material according to the present invention exhibits high antiviral properties even when the content of the antiviral agent is small, so the amount of antiviral agent used can be relatively small, and costs can be reduced. can.
  • the resin material having a specific composition containing the above-mentioned specific thermoplastic resin and the above-mentioned specific antiviral agent further contains the above-mentioned hydrophilic compound.
  • the combination of these three specific components, especially derived from the above-mentioned hydrophilic compound, can effectively produce an antiviral agent whose inactivation mechanism is virus adsorption on the surface of resin materials or resin molded products using the same. It is thought that it can be made to exist.
  • hydrophilic compound changes the balance between hydrophilicity and hydrophobicity on the surface of the resin material or resin molded product, so it is thought that viruses can migrate and spread well on the surface of the resin material or resin molded product. .
  • the resin material according to the present invention has the above configuration, the water resistance of the resin material or a resin molded product using the same can be improved. Even if a resin material or a resin molded article using the same comes into contact with water, high antiviral properties can be maintained.
  • the resin material according to the present invention has the above configuration, it is possible to improve the solvent resistance, particularly the ethanol resistance, of the resin material or a resin molded product using the same. Even if a resin material or a resin molded article using the same comes into contact with a solvent, high antiviral properties can be maintained.
  • the resin material according to the present invention has the above configuration, the alkali resistance, particularly the sodium hypochlorite resistance, of the resin material or a resin molded product using the same can be improved. Even if a resin material or a resin molded article using the same comes into contact with an alkaline agent, high antiviral properties can be maintained.
  • the surface of the resin molded product may be wiped off with a wiping member containing water, a solvent (ethanol, etc.), or an alkaline agent (sodium hypochlorite, etc.).
  • a wiping member containing water, a solvent (ethanol, etc.), or an alkaline agent (sodium hypochlorite, etc.).
  • the resin molded article according to the present invention contains a thermoplastic resin, an antiviral agent, and a hydrophilic compound.
  • the thermoplastic resin includes a polyolefin resin, an ABS resin, or a polyvinyl chloride resin
  • the antiviral agent is a sulfonic acid antiviral agent, a silver antiviral agent, or a carboxylic acid antiviral agent. Contains antiviral agents.
  • the resin molded article according to the present invention contains a thermoplastic resin and an antiviral agent.
  • the thermoplastic resin includes a polyolefin resin, an ABS resin, or a polyvinyl chloride resin
  • the antiviral agent is a sulfonic acid antiviral agent, a silver antiviral agent, or a carboxylic acid antiviral agent.
  • the contact angle of the surface of the resin molded article according to the present invention to water at 23° C. is 89° or less.
  • the antiviral properties of the antiviral agent can be effectively enhanced.
  • the antiviral properties of the antiviral agent can be effectively enhanced by using the hydrophilic compound or by controlling the contact angle on the surface of the resin molded product to be equal to or less than the upper limit.
  • the resin molded article according to the present invention even when the resin molded article is used for a long period of time, it is possible to maintain high antiviral properties over a long period of time.
  • the resin molded product according to the present invention exhibits high antiviral properties even when the content of the antiviral agent is small, so the amount of antiviral agent used can be relatively small, reducing costs. I can do it.
  • the mechanism by which the above effect is exerted is not particularly limited, the following reasons can be considered.
  • the above-mentioned hydrophilic compound is further included, or the above-mentioned contact angle is below the above-mentioned upper limit. It may be controlled by. Due to the combination of these three specific components or the combination of these two specific components and a specific contact angle, especially due to the above-mentioned hydrophilic compound or the specific contact angle, on the surface of the resin molded product, It is thought that an antiviral agent whose inactivation mechanism is virus adsorption can be favorably present. Furthermore, it is thought that the hydrophilic compound or the contact angle changes the balance between hydrophilicity and hydrophobicity on the surface of the resin molded product, so that viruses can migrate and spread well on the surface of the resin molded product.
  • the resin molded product according to the present invention is provided with the above configuration, water resistance can be improved. Even if the resin molded product comes into contact with water, it can maintain high antiviral properties.
  • the resin molded article according to the present invention has the above-mentioned configuration, it is possible to improve solvent resistance, particularly ethanol resistance. Even if the resin molded product comes into contact with a solvent, it can maintain high antiviral properties.
  • the resin molded article according to the present invention has the above-mentioned configuration, it is possible to improve the alkali resistance, particularly the sodium hypochlorite resistance. Even if the resin molded product comes into contact with an alkaline agent, it can maintain its antiviral properties.
  • the surface of the resin molded product may be wiped off with a wiping member containing water, a solvent (ethanol, etc.), or an alkaline agent (sodium hypochlorite, etc.).
  • a wiping member containing water, a solvent (ethanol, etc.), or an alkaline agent (sodium hypochlorite, etc.).
  • the contact angle of the surface of the resin molded article with water at 23° C. is preferably 89° or less, more preferably 80° or less, and still more preferably 75° or less. When the contact angle is within the above upper limit, the antiviral properties of the resin molded product will be even better.
  • the contact angle of the surface of the resin molded product with water at 23°C may be 70° or less, may be less than 70°, may be 67° or less, or may be 65° or less. good.
  • the lower limit of the contact angle is not particularly limited.
  • the contact angle of the surface of the resin molded article with water at 23° C. may be 30° or more, or may be 40° or more. The contact angle is preferably measured on a plane of the resin molded article.
  • the above contact angle can be measured as follows.
  • a resin molded product and a contact angle meter for example, solid-liquid interface analysis system DropMaster DMs-401, manufactured by Kyowa Interface Science Co., Ltd.
  • the contact angle is measured 5 minutes after the water droplet lands on the resin molded product. It is preferable to cut out the resin molded article into a size of 3 cm in length x 3 cm in width and measure the contact angle.
  • Methods for reducing the contact angle of the surface of the resin molded product to water below the above upper limit include a method of blending a compound that is different from a virus agent and has a hydrophilic group (hydrophilic compound), and a method that reduces the contact angle of the surface of the resin molded product to Examples include a method of hydrophilic treatment.
  • the hydrophilic Methods using compounds are preferred. It is more preferable to employ both a method using the hydrophilic compound and a method in which the contact angle is lower than or equal to the upper limit. Further, by using the hydrophilic compound, it is easy to make the contact angle equal to or less than the upper limit.
  • Thermoplastic resins include polyolefin resin, polyvinyl chloride resin, polyamide resin, polycarbonate resin, polystyrene resin, polyester resin, acrylonitrile-butadiene-styrene resin (ABS resin), polyethylene terephthalate (PET), and polymethyl methacrylate (PMMA). ) etc. are known.
  • the resin material and the resin molded article contain polyolefin resin, ABS resin, or polyvinyl chloride resin as the thermoplastic resin. That is, in the present invention, a specific thermoplastic resin is selected and used. Only one kind of the above-mentioned thermoplastic resin may be used, or two or more kinds thereof may be used in combination.
  • the thermoplastic resin may contain a polyolefin resin or an ABS resin, may contain a polyolefin resin or a polyvinyl chloride resin, may contain an ABS resin or a polyvinyl chloride resin, and may contain a polyolefin resin. It may contain ABS resin, or it may contain polyvinyl chloride resin.
  • the thermoplastic resin preferably contains a polyolefin resin, and is more preferably a polyolefin resin.
  • the above polyolefin resins include polyethylene, polypropylene, ethylene-propylene copolymer (EPDM), isobutylene-isoprene copolymer, polystyrene, polybutene, polyisobutylene, polybutadiene, acrylonitrile-butadiene copolymer, and ethylene-vinyl acetate copolymer. and ethylene- ⁇ -olefin copolymers.
  • Polyethylene is obtained using 50% by weight or more of ethylene as a polymerization component.
  • Polypropylene is obtained by using 50% by weight or more of propylene as a polymerization component.
  • the above polyolefin resins may be used alone or in combination of two or more.
  • the polyolefin resin is preferably polyethylene or polypropylene, and more preferably polypropylene.
  • the thermoplastic resin is preferably polyethylene or polypropylene, and more preferably polypropylene.
  • polyvinyl chloride resin examples include homopolymers of vinyl chloride monomers, copolymers of vinyl chloride monomers and vinyl monomers copolymerizable with vinyl chloride, and the like.
  • the copolymer is preferably a copolymer of 50% by weight or more of a vinyl chloride monomer and 50% by weight or less of a vinyl monomer copolymerizable with vinyl chloride. Only one kind of the above polyvinyl chloride resin may be used, or two or more kinds thereof may be used in combination.
  • vinyl monomers copolymerizable with the vinyl chloride monomer include vinyl acetate, acrylonitrile, vinylidene chloride, ethylene, vinyl ether, maleic acid, maleic anhydride, acrylic ester, vinyl fluoride, and maleimide.
  • the above vinyl monomers may be used alone or in combination of two or more.
  • the degree of polymerization of the thermoplastic resin is preferably 10,000 or more, more preferably 100,000 or more.
  • the upper limit of the degree of polymerization of the thermoplastic resin is not particularly limited.
  • the degree of polymerization of the thermoplastic resin may be 1 ⁇ 10 100 or less, 1 ⁇ 10 10 or less, or 1 ⁇ 10 8 or less.
  • antiviral agent examples include inorganic antiviral agents and organic antiviral agents.
  • inorganic antiviral agents metal-based antiviral agents typified by silver-based and copper-based antiviral agents are known.
  • organic antiviral agents anionic organic antiviral agents such as sulfonic acid type and carboxylic acid type organic antiviral agents, and cationic organic antiviral agents such as amine type organic antiviral agents are known.
  • Examples of carboxylic acid antiviral agents include acrylic acid antiviral agents.
  • amine-based antiviral agents include cationic organic antiviral agents represented by guanidine-based antiviral agents.
  • the resin material and the resin molded article contain a sulfonic acid antiviral agent, a silver antiviral agent, or a carboxylic acid antiviral agent as an antiviral agent. That is, in the present invention, a specific antiviral agent is selected and used.
  • the above antiviral agents may be used alone or in combination of two or more.
  • the above antiviral agent may contain a sulfonic acid antiviral agent or a silver antiviral agent, or may contain a sulfonic acid antiviral agent or a carboxylic acid antiviral agent, and a silver antiviral agent. Alternatively, it may contain a carboxylic acid antiviral agent.
  • the antiviral agent may include a sulfonic acid antiviral agent, a silver antiviral agent, or a carboxylic acid antiviral agent.
  • the antiviral agent preferably includes an organic antiviral agent, and preferably includes a sulfonic acid antiviral agent. More preferably, it is a sulfonic acid antiviral agent.
  • the above-mentioned sulfonic acid antiviral agent contains a compound having a sulfonic acid group or a sulfonic acid salt.
  • the sulfonic acid antiviral agents include sulfonic acid group-containing polymer particles and sulfonate-containing polymer particles.
  • the above sulfonic acid antiviral agents may be used alone or in combination of two or more.
  • the monomers constituting the sulfonic acid antiviral agent include sodium styrene sulfonate, calcium styrene sulfonate, ammonium styrene sulfonate, and styrene sulfonate. Examples include magnesium.
  • the above monomers may be used alone or in combination of two or more.
  • the sulfonic acid antiviral agent is preferably copolymer particles of styrene sulfonic acid or a salt thereof and a hydrophobic monomer. In this case, it is possible to effectively prevent whitening from occurring when the resin material and the resin molded product come into contact with water.
  • the hydrophobic monomers include ethylene, propylene, butylene, butadiene, diisobutylene, vinyl chloride, vinylidene chloride, 2-vinylnaphthalene, styrene, vinyl alkyl ether, vinyl acetate, acrylonitrile, alkyl (meth)acrylate, (meth)acrylic Acid, sodium (meth)acrylate, maleic acid, fumaric acid, maleic anhydride, (meth)acrylamide, diacetone acrylamide, vinyltoluene, xylene sulfonic acid, vinylpyridine, vinylsulfonic acid, vinyl alcohol, (meth)acrylic acid Examples include methyl and hydroxyethyl (meth)acrylate.
  • the above hydrophobic monomers may be used alone or in combination of two or more.
  • the hydrophobic monomer is preferably styrene or 2-vinylnaphthalene, and more preferably styrene.
  • copolymer particles of styrene sulfonic acid or its salt and styrene include styrene sulfonic acid-styrene copolymer particles, styrene sulfonate-styrene copolymer particles, and styrene sulfonate-styrene sulfonic acid-styrene copolymer particles. Examples include original copolymer particles.
  • the styrene sulfonate-styrene copolymer particles include sodium styrene sulfonate-styrene copolymer particles, calcium styrene sulfonate-styrene copolymer particles, ammonium styrene sulfonate-styrene copolymer particles, and styrene sulfonate. Examples include magnesium acid-styrene copolymer particles.
  • the styrene sulfonate-styrene copolymer particles are preferably sodium styrene sulfonate-styrene copolymer particles, more preferably sodium p-styrene sulfonate-styrene copolymer particles.
  • the above-mentioned styrene sulfonate-styrene sulfonic acid-styrene terpolymer particles include sodium styrene sulfonate-styrene sulfonic acid-styrene terpolymer particles, calcium styrene sulfonate-styrene sulfonic acid-styrene terpolymer particles, Examples include polymer particles, ammonium styrene sulfonate-styrene sulfonic acid-styrene terpolymer particles, and magnesium styrene sulfonate-styrene sulfonic acid-styrene terpolymer particles.
  • the styrene sulfonate-styrene sulfonic acid-styrene terpolymer particles are preferably sodium styrene sulfonate-styrene sulfonic acid-styrene terpolymer particles, and are sodium p-styrene sulfonate-styrene terpolymer particles. More preferably, they are acid-styrene terpolymer particles.
  • the weight average molecular weight of the polymer constituting the sulfonic acid antiviral agent is preferably 20,000 or more, more preferably 50,000 or more, even more preferably 100,000 or more, and preferably 1,000,000 or less.
  • the weight average molecular weight of the polymer is at least the above lower limit, antiviral properties can be exhibited even more effectively.
  • the weight average molecular weight of the polymer is equal to or less than the above upper limit, the viscosity of the resin material can be kept in an appropriate range, and the handleability of the resin material can be improved.
  • the sulfonic acid antiviral agent when used together, the sulfonic acid group, which is a polar group, becomes compatible with the carbonyl group or ether group, so that the antiviral effect of the antiviral agent There is a tendency for sexual performance to decline. Therefore, when using the above sulfonic acid antiviral agent together with a compound having a carbonyl group or an ether group, the sulfonic acid antiviral agent should be a polymeric component containing a monomer with low polarity (low polar monomer). It is preferable to use a copolymer of
  • Examples of the monomer with low polarity include compounds having a (meth)acryloyl group.
  • a (meth)acryloyl group means an acryloyl group or a methacryloyl group.
  • Examples of the above-mentioned compounds having a (meth)acryloyl group include ethylene glycol di(meth)acrylate, propylene glycol di(meth)acrylate, 1,4-butanediol di(meth)acrylate, and 1,6-hexanediol di(meth)acrylate.
  • the compound having a (meth)acryloyl group is preferably polyethylene glycol di(meth)acrylate, trimethylolpropane tri(meth)acrylate, or dipentaerythritol hexa(meth)acrylate.
  • the above silver-based antiviral agent contains silver or a salt thereof.
  • the silver-based antiviral agent is, for example, silver-containing particles. Only one kind of the above-mentioned silver-based antiviral agent (silver-containing particles) may be used, or two or more kinds may be used in combination.
  • silver-based antiviral agent examples include silver particles, silver salt particles, and silver complex particles.
  • silver salt examples include silver nitrate, silver sulfate, and silver chloride.
  • silver complex examples include a thiosulfite silver complex and a silver sodium chloride complex.
  • examples of the silver-based antiviral agent include particles in which a silver-containing compound is supported on a carrier.
  • the silver-containing compound include silver particles, silver salt particles, and silver complex particles.
  • the carrier include zeolite, silica gel, silicate, phosphate, soluble glass, activated carbon, and metal carrier.
  • the silver-based antiviral agent includes colloidal silver.
  • the average particle diameter of the colloidal silver is, for example, 1 nm or more and 1 ⁇ m or less.
  • the above carboxylic acid antiviral agent includes a compound derived from a carboxylic acid or a carboxylate salt.
  • the above carboxylic acid antiviral agents may be used alone or in combination of two or more.
  • the carboxylic acid antiviral agent preferably has at least one carboxyl group.
  • the carboxylic acid antiviral agents include adipic acid, benzoic acid, lauric acid, azelaic acid, sebacic acid, dodecanedioic acid, fumaric acid, phthalic acid, isophthalic acid, terephthalic acid, methylene disalicylic acid, cis- ⁇ 4-tetrahydro Phthalic acid, caproic acid, enanthic acid, caprylic acid, pelargonic acid, capric acid, lauric acid, myristic acid, palmitic acid, stearic acid, myristoleic acid, oleic acid, ricinoleic acid, salicylic acid, gallic acid hydrate, benzylic acid , 4-aminobenzoic acid, triglycolamic acid, ethylenediaminetetraacetic acid, 1,3-diaminopropanetetraacetic acid, ethylened
  • Examples of the compounds derived from acrylic acid include acrylic acid-methyl (meth)acrylate copolymer, acrylic acid-ethyl (meth)acrylate copolymer, acrylic acid-butyl (meth)acrylate copolymer, and acrylic acid-methyl (meth)acrylate copolymer.
  • Examples include acid-(meth)acrylic acid 2-ethylhexyl copolymer and acrylic acid-(methacrylic acid) copolymer.
  • the thermoplastic resin contains a polyolefin resin, and the antiviral agent contains a sulfonic acid antiviral agent.
  • the thermoplastic resin is preferably a polyolefin resin, and the antiviral agent is more preferably a sulfonic acid antiviral agent. That is, as a combination of the thermoplastic resin and the antiviral agent, a combination of a polyolefin resin and a sulfonic acid antiviral agent is particularly preferable.
  • the antiviral properties are significantly increased.
  • the antiviral agent is preferably an antiviral agent in which a surfactant is supported on organic particles.
  • an antiviral agent in which a surfactant is supported on organic particles may be referred to as “antiviral agent X.”
  • the above antiviral agent X is in the form of particles.
  • Examples of the material for the organic particles include resins and the like.
  • the organic particles are preferably resin particles.
  • the resin constituting the organic particles may be a thermoplastic resin or a cured thermosetting resin.
  • the resin constituting the organic particles in the antiviral agent X is a thermoplastic resin
  • the thermoplastic resin constituting the organic particles is not included in the thermoplastic resin contained in the resin material. do.
  • the thermoplastic resin constituting the organic particles is different from the thermoplastic resin contained in the resin material.
  • the resins constituting the organic particles include polypropylene (PP) resin, polyvinyl chloride (PVC) resin, polymethyl methacrylate (PMMA) resin, polystyrene (PS) resin, polycarbonate resin, polyethylene terephthalate (PET) resin, and aromatic resin.
  • PP polypropylene
  • PVC polyvinyl chloride
  • PMMA polymethyl methacrylate
  • PS polystyrene
  • PET polyethylene terephthalate
  • aromatic resin aromatic resin.
  • polyester resin acrylonitrile butadiene styrene (ABS) resin, acrylonitrile styrene (AS) resin, methyl methacrylate styrene (MS) resin, methyl methacrylate butadiene styrene (MBS) resin, epoxy resin, polyurethane resin, polyethylene ( PE) resin, polyetheretherketone (PEEK) resin, polyetherketoneketone (PEKK) resin, thermoplastic olefin (TPO) resin, polytetrafluoroethylene resin, polyvinyl fluoride (PVF) resin, and silicone resin. It will be done.
  • ABS acrylonitrile butadiene styrene
  • AS acrylonitrile styrene
  • MS methyl methacrylate styrene
  • MVS methyl methacrylate butadiene styrene
  • epoxy resin epoxy resin
  • PE polyurethane resin
  • PE polyethylene
  • PEEK
  • surfactants examples include anionic surfactants and cationic surfactants.
  • the above-mentioned surfactants may be used alone or in combination of two or more.
  • the surfactant is preferably a sulfonic acid-based surfactant.
  • the sulfonic acid-based antiviral agent is preferably an antiviral agent in which a sulfonic acid-based surfactant is supported on organic particles.
  • sulfonic acid surfactants examples include alkylbenzene sulfonic acid compounds, alkyldiphenyl ether disulfonic acid compounds, alkylnaphthalene sulfonic acid compounds, alkyl sulfate ester compounds, polyoxyethylene alkyl sulfate ester compounds, and naphthalene sulfonic acid formalin. Examples include condensate compounds.
  • the above-mentioned sulfonic acid surfactants may be used alone or in combination of two or more.
  • the sulfonic acid surfactant is an alkylbenzene sulfonic acid compound, an alkyldiphenyl ether disulfonic acid compound, or an alkylnaphthalene. Sulfonic acid compounds are preferred.
  • antiviral agent is 30 parts by weight or more, preferably 50 parts by weight or less, more preferably 40 parts by weight or less.
  • content of the surfactant is not less than the lower limit and not more than the upper limit, the above-mentioned effects, especially antiviral properties, can be exhibited even more effectively by the structure of the present invention.
  • the particle diameter of the above antiviral agent (such as the above antiviral agent , more preferably 10 ⁇ m or less, particularly preferably 5 ⁇ m or less.
  • the particle size of the antiviral agent is equal to or larger than the above lower limit, the antiviral agent is difficult to aggregate in the resin material or resin molded product, and the dispersibility of the antiviral agent can be improved, and The appearance can be improved.
  • the particle size of the antiviral agent is below the above upper limit, the appearance of the resin material or resin molded product can be further improved.
  • the particle size of the antiviral agent is preferably the average particle size of the entire antiviral agent.
  • the average particle diameter of the antiviral agent is preferably a number average particle diameter.
  • the average particle diameter of the antiviral agent is determined, for example, by dispersing the antiviral agent in a solvent such as squalane and performing laser diffraction particle size distribution measurement.
  • the resin material contains the hydrophilic compound. It is preferable that the resin molded article contains the hydrophilic compound. When the contact angle on the surface of the resin molded product is less than or equal to the upper limit, the resin molded product may or may not contain the hydrophilic compound.
  • the hydrophilic compound is different from a thermoplastic resin. The above hydrophilic compounds may be used alone or in combination of two or more.
  • hydrophilic groups examples include ether groups, hydroxy groups, carboxy groups, amino groups, and amide groups. From the viewpoint of more effectively exhibiting the above-mentioned effects, particularly antiviral properties, by the structure of the present invention, the hydrophilic group is preferably an ether group, a hydroxy group, or an amide group.
  • the hydrophilic compounds include polyethylene glycol compounds, cellulose, and polyvinylpyrrolidone.
  • polyethylene glycol compounds include polyethylene glycol, polyethylene glycol fatty acid ester, and the like.
  • the hydrophilic compound preferably contains a polyethylene glycol compound, cellulose, or polyvinylpyrrolidone. It is more preferable to contain a compound or polyvinylpyrrolidone, it is still more preferable to contain polyethylene glycol, polyethylene glycol fatty acid ester or polyvinylpyrrolidone, and it is particularly preferable to contain polyvinylpyrrolidone.
  • Polyvinylpyrrolidone has an amide group as a hydrophilic group.
  • the polyethylene glycol compound, cellulose, and polyvinylpyrrolidone may each have a structure other than the above hydrophilic group.
  • the resin material may contain other components such as a solvent, a thickener, a filler, an antibacterial agent, a flame retardant, a fungicide, an ultraviolet absorber, and a tackifier. Only one type of the above-mentioned other components may be used, or two or more types may be used in combination.
  • the content of the thermoplastic resin in 100% by weight of the resin material is preferably 40% by weight or more, more preferably 45% by weight or more, still more preferably 50% by weight or more, particularly preferably 55% by weight or more, Preferably 99.8% by weight or less, more preferably 97% by weight or less, even more preferably 96% by weight or less, even more preferably 95% by weight or less, even more preferably 90% by weight or less, particularly preferably 85% by weight or less. , most preferably 80% by weight or less.
  • the content of the thermoplastic resin is equal to or higher than the lower limit, the moldability of the resin material and the dispersibility of the ingredients will be even better.
  • the content of the thermoplastic resin is below the above upper limit, the moldability and mechanical properties of the resin material and the resin molded product using the same will be even better.
  • the content of the antiviral agent in 100% by weight of the resin material is preferably 0.1% by weight or more, more preferably 0.5% by weight or more, still more preferably 1% by weight or more, particularly preferably 2% by weight. Above, most preferably 3% by weight or more, preferably 20% by weight or less, more preferably 10% by weight or less, even more preferably 8% by weight or less, particularly preferably 6% by weight or less, and most preferably 5% by weight or less. It is.
  • the content of the antiviral agent is equal to or higher than the lower limit, the antiviral properties of the resin material and the resin molded product using the same will be even better.
  • the content of the antiviral agent is below the above upper limit, the moldability and mechanical properties of the resin material and the resin molded product using the same will be even better.
  • the content of the hydrophilic compound in 100% by weight of the resin material is preferably 0.1% by weight or more, more preferably 0.5% by weight or more, still more preferably 1% by weight or more, particularly preferably 2% by weight. Above, most preferably 5% by weight or more, preferably 70% by weight or less, more preferably 50% by weight or less, even more preferably 30% by weight or less, particularly preferably 20% by weight or less, and most preferably 10% by weight or less. It is.
  • the content of the hydrophilic compound is equal to or higher than the lower limit, the antiviral properties of the resin material and the resin molded product using the same will be even better.
  • the content of the hydrophilic compound is below the above upper limit, the moldability and mechanical properties of the resin material and the resin molded product using the same will be even better.
  • the total content of the antiviral agent and the hydrophilic compound in 100% by weight of the resin material is preferably 0.2% by weight or more, more preferably 0.5% by weight or more, and even more preferably 0.8% by weight. % by weight or more, particularly preferably 1.5% by weight or more, most preferably 3% by weight or more, preferably 80% by weight or less, more preferably 60% by weight or less, even more preferably 40% by weight or less, particularly preferably It is 30% by weight or less, most preferably 11% by weight or less.
  • the total content of the antiviral agent and the hydrophilic compound is at least the above lower limit, the antiviral properties of the resin material and the resin molded product using the same will be even better.
  • the total content of the antiviral agent and the hydrophilic compound is below the above upper limit, the moldability and mechanical properties of the resin material and the resin molded product using the same will be even better.
  • the weight ratio of the content of the antiviral agent to the content of the hydrophilic compound is referred to as weight ratio (content of antiviral agent/content of hydrophilic compound).
  • the above weight ratio (antiviral agent content/hydrophilic compound content) is preferably 0.1 or more, more preferably 0.15 or more, even more preferably 0.2 or more, particularly preferably 0.25 or more. and is preferably 10 or less, more preferably 5 or less, even more preferably 1 or less, even more preferably 0.8 or less, particularly preferably 0.5 or less, and most preferably 0.4 or less.
  • the above weight ratio (content of antiviral agent/content of hydrophilic compound) is above the above lower limit and below the above upper limit, the antiviral properties of the resin material and resin molded products using the same will be even better. .
  • the total content of the thermoplastic resin, the antiviral agent, and the hydrophilic compound in 100% by weight of the resin material is preferably 50% by weight or more, more preferably 70% by weight or more, and still more preferably 80% by weight. % or more, particularly preferably 90% by weight or more.
  • the total content of the thermoplastic resin, the antiviral agent, and the hydrophilic compound may be 100% by weight, 100% by weight or less, and 100% by weight. It may be less than % by weight.
  • the total content of the thermoplastic resin, the antiviral agent, and the hydrophilic compound is equal to or higher than the lower limit, the antiviral properties of the resin material and the resin molded product using the same will be even better.
  • the content of the thermoplastic resin in 100% by weight of the resin molded product is preferably 50% by weight or more, more preferably 60% by weight or more, still more preferably 70% by weight or more, particularly preferably 80% by weight or more. , preferably 99.8% by weight or less, more preferably 97% by weight or less, still more preferably 96% by weight or less, particularly preferably 95% by weight or less.
  • the content of the thermoplastic resin is at least the above lower limit, the moldability and mechanical properties of the resin molded product will be even better.
  • the content of the thermoplastic resin is below the upper limit, the antiviral properties will be even better.
  • the content of the antiviral agent in 100% by weight of the resin molded product is preferably 0.1% by weight or more, more preferably 0.5% by weight or more, still more preferably 0.8% by weight or more, particularly preferably 1% by weight or more, preferably 10% by weight or less, more preferably 5% by weight or less, even more preferably 2.5% by weight or less, particularly preferably 1.5% by weight or less, and most preferably 1% by weight or less. be.
  • the content of the antiviral agent is equal to or higher than the lower limit, the antiviral properties of the resin molded product will be even better.
  • the content of the above-mentioned antiviral agent is below the above-mentioned upper limit, moldability and mechanical properties become even better.
  • the content of the hydrophilic compound in 100% by weight of the resin molded product is preferably 0.1% by weight or more, more preferably 0.5% by weight or more, still more preferably 1% by weight or more, particularly preferably 2% by weight. % or more, most preferably 5% by weight or more, preferably 35% by weight or less, more preferably 25% by weight or less, still more preferably 15% by weight or less, particularly preferably 10% by weight or less.
  • the content of the hydrophilic compound is equal to or higher than the lower limit, the antiviral properties of the resin molded product will be even better.
  • the content of the hydrophilic compound is at most the above upper limit, moldability and mechanical properties become even better.
  • the total content of the antiviral agent and the hydrophilic compound in 100% by weight of the resin molded product is preferably 0.2% by weight or more, more preferably 0.8% by weight or more, and still more preferably 1.0% by weight or more.
  • the content is 5% by weight or more, particularly preferably 3% by weight or more, preferably 50% by weight or less, more preferably 30% by weight or less, still more preferably 20% by weight or less, particularly preferably 11% by weight or less.
  • the weight ratio of the content of the antiviral agent to the content of the hydrophilic compound is referred to as weight ratio (content of antiviral agent/content of hydrophilic compound).
  • the above weight ratio (content of antiviral agent/content of hydrophilic compound) is preferably 0.1 or more, more preferably 0.15 or more, still more preferably 0.20 or more, particularly preferably 0.25 or more. It is preferably 10 or less, more preferably 5 or less, even more preferably 1.0 or less, even more preferably 0.8 or less, particularly preferably 0.5 or less, and most preferably 0.4 or less.
  • the above weight ratio (content of antiviral agent/content of hydrophilic compound) is at least the above lower limit and below the above upper limit, the antiviral properties of the resin molded product will be even better.
  • the total content of the thermoplastic resin, the antiviral agent, and the hydrophilic compound in 100% by weight of the resin molded product is preferably 50% by weight or more, more preferably 70% by weight or more, and even more preferably 80% by weight. It is at least 90% by weight, particularly preferably at least 90% by weight.
  • the total content of the thermoplastic resin, the antiviral agent, and the hydrophilic compound may be 100% by weight or less than 100% by weight, It may be less than 100% by weight.
  • the total content of the thermoplastic resin, the antiviral agent, and the hydrophilic compound is equal to or higher than the lower limit, the antiviral properties of the resin molded product will be even better.
  • the resin material may be a molding resin material, or may be a resin material different from the molding resin material.
  • the resin material may be a resin material for coating, or may be a resin material different from the resin material for coating.
  • the resin material may be a coating material, or may be a resin material different from the coating material.
  • Examples of methods for molding the resin material include press processing, extrusion processing, extrusion lamination, injection molding, and the like.
  • the resin material is preferably molded by injection molding.
  • the resin material has excellent moldability, it is particularly preferable that the resin material is an injection molding material.
  • the resin material has excellent moldability, it is preferable to use resin pellets. By melting and molding resin pellets, a resin molded product with excellent antiviral properties can be obtained.
  • the shape of the resin pellets is not particularly limited, and examples include spherical, cylindrical, and prismatic shapes. From the viewpoint of stability of the pellet shape, a cylindrical shape is preferable.
  • the maximum length dimension of the resin pellet is preferably 1 mm or more, more preferably 3 mm or more, and preferably 10 mm or less, more preferably 7 mm or less.
  • the size (maximum length dimension, etc.) of the resin pellet can be measured using a caliper. It is preferable to randomly sample 100 resin pellets and measure the size.
  • the resin pellet When the resin pellet has a cylindrical shape, for example, the resin pellet preferably has the following size.
  • the diameter of the resin pellet is preferably 0.5 mm or more, more preferably 1 mm or more, and preferably 5 mm or less, more preferably 3 mm or less.
  • the length of the resin pellet is preferably 1 mm or more, more preferably 3 mm or more, and preferably 10 mm or less, more preferably 7 mm or less.
  • the resin material is a masterbatch.
  • the above resin material can also be provided as a masterbatch with excellent antiviral properties.
  • the above resin material (masterbatch) can be used by mixing with another resin material (a resin material different from the resin material according to the present invention).
  • the masterbatch may be a resin pellet.
  • the other resin material may be a resin pellet.
  • the composition of the resin material is different from the composition of the other resin material.
  • the thermoplastic resin in the resin material and the thermoplastic resin in the other resin material may be the same or different.
  • the other resin material may not contain the thermoplastic resin contained in the resin material according to the present invention, or may contain it.
  • the other resin material preferably includes a polyolefin resin, an acrylonitrile-butadiene-styrene resin, or a polyvinyl chloride resin, and more preferably includes a polyolefin resin.
  • the other resin material may not contain the antiviral agent contained in the resin material according to the present invention, or may contain it.
  • the other resin materials may or may not contain an antiviral agent.
  • the above-mentioned other resin materials may or may not contain the hydrophilic compound contained in the resin material according to the present invention.
  • the other resin materials mentioned above may or may not contain a compound that is different from an antiviral agent and has a hydrophilic group.
  • the content of the resin material (masterbatch) in 100% by weight of the mixed resin material is preferably 0.1% by weight or more, more preferably 1% by weight or more, still more preferably 5% by weight or more, particularly preferably 10% by weight or more. % by weight or more, preferably 99.9% by weight or less, more preferably 99% by weight or less, still more preferably 50% by weight or less, particularly preferably 40% by weight or less.
  • the method for manufacturing a resin molded article according to the present invention includes a molding step of molding the resin material to obtain a resin molded article. Since the resin material has excellent moldability, it is preferable to injection mold the resin material to obtain a resin molded product.
  • the method for producing a resin molded article according to the present invention includes a mixing step of mixing the antiviral resin material and another resin material to obtain a mixed resin material containing the antiviral resin material and the other resin material. may be provided.
  • the mixed resin material is molded. Since it has excellent moldability, it is preferable to injection mold the mixed resin material in the molding step.
  • FIG. 1 is a cross-sectional view schematically showing a resin molded product according to an embodiment of the present invention.
  • the resin molded product 10 shown in FIG. 1 has antiviral properties.
  • the resin molded product 10 includes a resin part 1 and an antiviral agent 2.
  • the resin part 1 contains the above thermoplastic resin. It is preferable that the resin part 1 contains the above hydrophilic compound.
  • the antiviral agent 2 is placed inside the resin part 1. The antiviral agent 2 may be exposed from the outer surface of the resin portion 1. It is preferable that the contact angle of the surface of the resin molded article 10 with respect to water at 23° C. is below the above upper limit.
  • the resin molded product preferably includes a resin part and an antiviral agent.
  • Examples of the molding method for obtaining the resin molded product include press processing, extrusion processing, extrusion lamination, injection molding, and the like.
  • the resin molded product is preferably an injection molded product.
  • the resin molded product may be a stretched product, or may be used after being stretched. Further, the resin molded product may be a secondary molded product subjected to stretching processing.
  • the shape of the injection molded product is not particularly limited.
  • the above-mentioned injection molded product may be in the form of a sheet, or may be in a shape other than the sheet form. Note that in this specification, a film is included in a sheet.
  • the maximum length dimension of the resin molded product is preferably 1 ⁇ m or more, more preferably 3 ⁇ m or more, even more preferably 5 ⁇ m or more, and particularly preferably 10 ⁇ m or more.
  • the maximum length dimension of the resin molded product may be 100 ⁇ m or more, 1 mm or more, 1 cm or more, 10 cm or more, or 1 m or more. Good too.
  • the maximum length dimension of the resin molded product may be 100 m or less, 10 m or less, 2 m or less, or 1.5 m or less.
  • the average thickness of the resin molded article is preferably 0.1 ⁇ m or more, more preferably 3 ⁇ m or more, still more preferably 5 ⁇ m or more, and particularly preferably 10 ⁇ m or more.
  • the average thickness of the resin molded product may be 100 ⁇ m or more, or 1 mm or more.
  • the average thickness of the resin molded product may be 1 m or less, 10 cm or less, 1 cm or less, or 8 mm or less
  • the above-mentioned resin molded products are used, for example, as interior and exterior materials for transportation vehicles such as railway cars, aircraft, ships, and automobiles, toilets and food preparation areas; interior and exterior materials of buildings, toilets and food preparation areas; ticket vending machines in station premises; commercial Suitable for use in facility information terminals; hospital medical equipment, etc.
  • thermoplastic resin Polypropylene ("PP” in the table, “Novatec PP BC6C” manufactured by Nippon Polypro Co., Ltd.) Polyethylene (“PE” in the table, “Niporon Hard 1000” manufactured by Tosoh Corporation) ABS resin ("ABS” in the table, “Denka ABS QF” manufactured by Denka Corporation)
  • Sulfonic acid-based antiviral agent (“sulfonic acid-based” in the table, antiviral agent in which a sulfonic acid-based surfactant is supported on organic particles (polystyrene resin particles), average particle size 5.0 ⁇ m)
  • Silver-based antiviral agent (“Silver-based” in the table, silver-based inorganic compound particles, average particle size 2.5 ⁇ m)
  • Carboxylic acid antiviral agent 1 ("Carboxylic acid 1" in the table, isophthalic acid particles, average particle size 7.0 ⁇ m)
  • Carboxylic acid antiviral agent 2 (“Carboxylic acid 2" in the table, terephthalic acid particles, average particle size 7.0 ⁇ m)
  • Carboxylic acid antiviral agent 3 (“Carboxylic acid 3" in the table, 1,3-diaminopropanetetraacetic acid particles, average particle size 7.0 ⁇ m)
  • Polyvinylpyrrolidone in the table, "K30” manufactured by Fujifilm Wako Pure Chemical Industries, Ltd.
  • Polyethylene glycol compound 1 (“PEG1” in the table, polyethylene glycol distearate)
  • Polyethylene glycol compound 2 (“PEG2” in the table, polyethylene glycol monostearate)
  • Polyethylene glycol compound 3 (“PEG3” in the table, polyethylene glycol)
  • Examples 1 to 11 and Comparative Examples 1 to 3 Other resin pellets (base resin materials) containing the components shown in Tables 1 to 4 below were prepared. In addition, resin pellets (masterbatch/resin material) were obtained by blending the components shown in Tables 1 to 4 below in the amounts shown in Tables 1 to 4 below.
  • the obtained resin pellets (masterbatch) and the obtained other resin pellets (base resin material) were kneaded at 180 ° C. for 3 minutes using a laboplast mill (“KF-100” manufactured by Toyo Seiki Co., Ltd.), Press molding was performed to obtain a sheet-like resin molded product (average thickness: 1 mm).
  • the resin pellets (masterbatch) and other resin pellets (base resin material) were used in a ratio such that the amounts of each component in the resin molded product were as shown in Tables 1 to 4 below.
  • MDCK cells cultured in a 10 cm dish were inoculated with influenza virus and cultured at 37°C for 1 hour. After culturing, the culture supernatant containing naive virus was removed. A new DMEM medium was added to the 10 cm dish from which the supernatant had been removed, and cultured at 37°C for 4 days. After culturing, the culture supernatant was collected and centrifuged at 800 rpm for 5 minutes. The supernatant after centrifugation was used as a virus solution.
  • the obtained resin molded product was cut into a piece measuring 5 cm in length x 5 cm in width to serve as a test sample. Place this test sample in a Petri dish, drop 0.4ml of virus solution diluted 10 times with sterile water onto the surface of the test sample, cover with a cover film, cover the Petri dish, and let stand at 25°C for 24 hours. I placed it. Next, the virus solution was collected from the test sample using 10 ml of SCLDP and serially diluted 10 times with cell maintenance medium. The diluted virus solution was inoculated into MDCK cells cultured in a 6-well plate, and the number of plaques was counted in accordance with ISO21702 to determine the antiviral activity value. The test was conducted on two 6-well plates, and the average value of the antiviral activity values was calculated. Antiviral properties were evaluated using the following criteria.
  • Antiviral activity value is 3.0 or more
  • Antiviral activity value is 2.0 or more and less than 3.0
  • Antiviral activity value is less than 2.0
  • composition and evaluation results of the resin molded products are shown in Tables 1 to 4 below.
  • "-" in the table indicates that it is not blended.
  • the resin molded products of Examples 1 to 11 maintained high antiviral activity values after wiping. The antiviral properties remained high even after wiping.

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PCT/JP2023/027205 2022-08-01 2023-07-25 抗ウイルス性樹脂材料、抗ウイルス性樹脂成形品の製造方法及び抗ウイルス性樹脂成形品 WO2024029404A1 (ja)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011020993A (ja) * 2009-06-16 2011-02-03 Sekisui Chem Co Ltd Ｒｎａウイルス感染阻止成形用組成物及びｒｎａウイルス感染阻止成形品
WO2019045110A1 (ja) * 2017-09-04 2019-03-07 株式会社Ｎｂｃメッシュテック 抗菌・抗ウイルス性組成物
JP2022058104A (ja) * 2020-09-30 2022-04-11 大日本印刷株式会社 抗菌または抗ウイルスシート、抗菌または抗ウイルス包装体、抗菌または抗ウイルス樹脂繊維、抗菌または抗ウイルス不織布および抗菌または抗ウイルスフィルター

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011020993A (ja) * 2009-06-16 2011-02-03 Sekisui Chem Co Ltd Ｒｎａウイルス感染阻止成形用組成物及びｒｎａウイルス感染阻止成形品
WO2019045110A1 (ja) * 2017-09-04 2019-03-07 株式会社Ｎｂｃメッシュテック 抗菌・抗ウイルス性組成物
JP2022058104A (ja) * 2020-09-30 2022-04-11 大日本印刷株式会社 抗菌または抗ウイルスシート、抗菌または抗ウイルス包装体、抗菌または抗ウイルス樹脂繊維、抗菌または抗ウイルス不織布および抗菌または抗ウイルスフィルター

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