WO2024029404A1 - Antiviral resin material, method for producing antiviral resin molded article, and antiviral resin molded article - Google Patents

Antiviral resin material, method for producing antiviral resin molded article, and antiviral resin molded article Download PDF

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Publication number
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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Prior art keywords
resin
antiviral
antiviral agent
weight
resin material
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PCT/JP2023/027205
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French (fr)
Japanese (ja)
Inventor
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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Publication of WO2024029404A1 publication Critical patent/WO2024029404A1/en

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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.

Abstract

Provided is an antiviral resin material in which the antiviral properties of an antiviral agent can be effectively enhanced.　An antiviral resin material according to the present invention contains a thermoplastic resin, an antiviral agent, and a compound that is different from the antiviral agent and that has a hydrophilic group, the thermoplastic resin including a polyolefin resin, an acrylonitrile/butadiene/styrene resin, or a polyvinyl chloride resin, and the antiviral agent including a sulfonic acid antiviral agent, a silver antiviral agent, or a carboxylic acid antiviral agent.

Description

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Antiviral resin material, method for producing antiviral resin molded products, and antiviral resin molded products
　本発明は、抗ウイルス剤を含む抗ウイルス性樹脂材料に関する。また、本発明は、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に関する。 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.
　近年、重症呼吸器感染症（ＳＡＲＳ）ウイルス、鳥インフルエンザウイルス、口蹄疫ウイルス、新型インフルエンザウイルス及び新型コロナウイルス等のウイルスを起因とする感染症が社会問題となっている。 In recent years, 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.
　そのため、不特定多数の人が触れる部材又は触れる可能性のある部分に対して、抗ウイルス性成形品を使用することが検討されている。 Therefore, the use of antiviral molded products for parts that are or may be touched by an unspecified number of people is being considered.
　下記の特許文献１には、高分子樹脂と、ステアリルジエタノールアミンと、パルミチルジエタノールアミンとを含有する樹脂成形品が開示されている。該樹脂成形品では、パルミチルジエタノールアミンの含有量が、ステアリルジエタノールアミン及びパルミチルジエタノールアミンの合計量１００質量部に対して２質量部～２５質量部である。上記高分子樹脂は、ポリオレフィン、又はポリアミドを含有する。 Patent Document 1 below discloses a resin molded article containing a polymer resin, stearyldiethanolamine, and palmityldiethanolamine. In the resin molded article, 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.
ＷＯ２０２２／１３１３３１Ａ１WO2022/131331A1
　特許文献１に記載のような従来の樹脂成形品では、抗ウイルス剤が含まれていても、該抗ウイルス剤の抗ウイルス性が十分に発揮されないことがある。従来の樹脂成形品では、該樹脂成形品の抗ウイルス性を十分に高めるために、抗ウイルス剤を多量に配合しなければならず、製造コストが高くなることがある。 In conventional resin molded products such as those described in Patent Document 1, even if an antiviral agent is included, the antiviral properties of the antiviral agent may not be fully exhibited. In conventional resin molded products, in order to sufficiently improve the antiviral properties of the resin molded product, a large amount of an antiviral agent must be added, which may increase manufacturing costs.
　本発明の目的は、抗ウイルス剤の抗ウイルス性を効果的に高めることができる抗ウイルス性樹脂材料を提供することである。また、本発明は、抗ウイルス剤の抗ウイルス性を効果的に高めることができる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を提供することも目的とする。 An object of the present invention is to provide an antiviral resin material that can effectively enhance the antiviral properties of an antiviral agent. Another object of the present invention is to provide a method for producing an antiviral resin molded article and an antiviral resin molded article that can effectively improve the antiviral properties of an antiviral agent.
　本発明の広い局面によれば、熱可塑性樹脂と、抗ウイルス剤と、抗ウイルス剤とは異なりかつ親水性基を有する化合物とを含有し、前記熱可塑性樹脂が、ポリオレフィン樹脂、アクリロニトリル・ブタジエン・スチレン樹脂又はポリ塩化ビニル樹脂を含み、前記抗ウイルス剤が、スルホン酸系抗ウイルス剤、銀系抗ウイルス剤、又はカルボン酸系抗ウイルス剤を含む、抗ウイルス性樹脂材料が提供される。 According to a broad aspect of the present invention, the thermoplastic resin contains a thermoplastic resin, an antiviral agent, and a compound different from the antiviral agent and having a hydrophilic group, and 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.
　本発明に係る抗ウイルス性樹脂材料のある特定の局面では、前記抗ウイルス性樹脂材料１００重量％中、前記抗ウイルス剤とは異なりかつ親水性基を有する化合物の含有量が、１重量％以上５０重量％以下である。 In a particular aspect of the antiviral resin material according to the present invention, 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.
　本発明に係る抗ウイルス性樹脂材料のある特定の局面では、前記抗ウイルス性樹脂材料１００重量％中、前記抗ウイルス剤の含有量が、０．５重量％以上１０重量％以下である。 In a particular aspect of the antiviral resin material according to the present invention, 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.
　本発明に係る抗ウイルス性樹脂材料のある特定の局面では、前記熱可塑性樹脂が、前記ポリオレフィン樹脂を含む。 In a certain aspect of the antiviral resin material according to the present invention, the thermoplastic resin includes the polyolefin resin.
　本発明に係る抗ウイルス性樹脂材料のある特定の局面では、前記抗ウイルス剤が、前記スルホン酸系抗ウイルス剤を含む。 In a particular aspect of the antiviral resin material according to the present invention, the antiviral agent includes the sulfonic acid antiviral agent.
　本発明に係る抗ウイルス性樹脂材料のある特定の局面では、前記抗ウイルス剤とは異なりかつ親水性基を有する化合物が、ポリエチレングリコール系化合物、セルロース、又はポリビニルピロリドンを含む。 In a particular aspect of the antiviral resin material according to the present invention, the compound that is different from the antiviral agent and has a hydrophilic group includes a polyethylene glycol compound, cellulose, or polyvinylpyrrolidone.
　本発明に係る抗ウイルス性樹脂材料のある特定の局面では、前記抗ウイルス性樹脂材料は、樹脂ペレットである。 In a particular aspect of the antiviral resin material according to the present invention, the antiviral resin material is a resin pellet.
　本発明に係る抗ウイルス性樹脂材料のある特定の局面では、前記抗ウイルス性樹脂材料は、マスターバッチである。 In a particular aspect of the antiviral resin material according to the present invention, the antiviral resin material is a masterbatch.
　本発明に係る抗ウイルス性樹脂材料のある特定の局面では、前記抗ウイルス性樹脂材料は、射出成形用材料である。 In a particular aspect of the antiviral resin material according to the present invention, the antiviral resin material is an injection molding material.
　本発明の広い局面によれば、上述した抗ウイルス性樹脂材料を成形し、抗ウイルス性樹脂成形品を得る成形工程を備える、抗ウイルス性樹脂成形品の製造方法が提供される。 According to a broad aspect of the present invention, there is provided 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.
　本発明に係る抗ウイルス性樹脂成形品の製造方法のある特定の局面では、前記製造方法は、前記抗ウイルス性樹脂材料と他の樹脂材料とを混合し、前記抗ウイルス性樹脂材料と前記他の樹脂材料とを含む混合樹脂材料を得る混合工程を備え、前記成形工程において、前記混合樹脂材料を成形する。 In a certain aspect of the method for manufacturing an antiviral resin molded article according to the present invention, 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.
　本発明の広い局面によれば、熱可塑性樹脂と、抗ウイルス剤と、抗ウイルス剤とは異なりかつ親水性基を有する化合物とを含有し、前記熱可塑性樹脂が、ポリオレフィン樹脂、アクリロニトリル・ブタジエン・スチレン樹脂又はポリ塩化ビニル樹脂を含み、前記抗ウイルス剤が、スルホン酸系抗ウイルス剤、銀系抗ウイルス剤、又はカルボン酸系抗ウイルス剤を含む、抗ウイルス性樹脂成形品が提供される。 According to a broad aspect of the present invention, the thermoplastic resin contains a thermoplastic resin, an antiviral agent, and a compound different from the antiviral agent and having a hydrophilic group, and 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.
　本発明の広い局面によれば、熱可塑性樹脂と、抗ウイルス剤とを含有し、前記熱可塑性樹脂が、ポリオレフィン樹脂、アクリロニトリル・ブタジエン・スチレン樹脂又はポリ塩化ビニル樹脂を含み、前記抗ウイルス剤が、スルホン酸系抗ウイルス剤、銀系抗ウイルス剤、又はカルボン酸系抗ウイルス剤を含み、抗ウイルス性樹脂成形品の表面の２３℃の水に対する接触角が、８９°以下である、抗ウイルス性樹脂成形品が提供される。 According to a broad aspect of the present invention, 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, and the antiviral agent , a sulfonic acid-based antiviral agent, a silver-based antiviral agent, or a carboxylic acid-based antiviral agent, and 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.
　本発明に係る抗ウイルス性樹脂成形品のある特定の局面では、前記抗ウイルス性樹脂成形品１００重量％中、前記抗ウイルス剤とは異なりかつ親水性基を有する化合物の含有量が、１重量％以上２５重量％以下である。 In a particular aspect of the antiviral resin molded product according to the present invention, 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.
　本発明に係る抗ウイルス性樹脂成形品のある特定の局面では、前記抗ウイルス性樹脂成形品１００重量％中、前記抗ウイルス剤の含有量が、０．５重量％以上５重量％以下である。 In a particular aspect of the antiviral resin molded product according to the present invention, 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. .
　本発明に係る抗ウイルス性樹脂材料は、熱可塑性樹脂と、抗ウイルス剤と、抗ウイルス剤とは異なりかつ親水性基を有する化合物とを含有する。本発明に係る抗ウイルス性樹脂材料では、上記熱可塑性樹脂が、ポリオレフィン樹脂、アクリロニトリル・ブタジエン・スチレン樹脂又はポリ塩化ビニル樹脂を含み、上記抗ウイルス剤が、スルホン酸系抗ウイルス剤、銀系抗ウイルス剤、又はカルボン酸系抗ウイルス剤を含む。本発明に係る抗ウイルス性樹脂材料では、上記の構成が備えられているので、抗ウイルス剤の抗ウイルス性を効果的に高めることができる。 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. In the antiviral resin material according to the present invention, the thermoplastic resin includes a polyolefin resin, an acrylonitrile-butadiene-styrene resin, or a polyvinyl chloride resin, and the antiviral agent includes a sulfonic acid-based antiviral agent, a silver-based antiviral agent, and a silver-based antiviral agent. Contains viral agents or carboxylic acid antiviral agents. Since the antiviral resin material according to the present invention has the above configuration, the antiviral properties of the antiviral agent can be effectively improved.
　本発明に係る抗ウイルス性樹脂成形品は、熱可塑性樹脂と、抗ウイルス剤と、抗ウイルス剤とは異なりかつ親水性基を有する化合物とを含有する。本発明に係る抗ウイルス性樹脂成形品では、上記熱可塑性樹脂が、ポリオレフィン樹脂、アクリロニトリル・ブタジエン・スチレン樹脂又はポリ塩化ビニル樹脂を含み、上記抗ウイルス剤が、スルホン酸系抗ウイルス剤、銀系抗ウイルス剤、又はカルボン酸系抗ウイルス剤を含む。本発明に係る抗ウイルス性樹脂成形品では、上記の構成が備えられているので、抗ウイルス剤の抗ウイルス性を効果的に高めることができる。 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. In the antiviral resin molded article according to the present invention, the thermoplastic resin includes a polyolefin resin, an acrylonitrile-butadiene-styrene resin, or a polyvinyl chloride resin, and the antiviral agent includes a sulfonic acid-based antiviral agent, a silver-based antiviral agent, and a silver-based antiviral agent. Contains antiviral agents or carboxylic acid antiviral agents. 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.
　本発明に係る抗ウイルス性樹脂成形品は、熱可塑性樹脂と、抗ウイルス剤とを含有する。本発明に係る抗ウイルス性樹脂成形品では、上記熱可塑性樹脂が、ポリオレフィン樹脂、アクリロニトリル・ブタジエン・スチレン樹脂又はポリ塩化ビニル樹脂を含み、上記抗ウイルス剤が、スルホン酸系抗ウイルス剤、銀系抗ウイルス剤、又はカルボン酸系抗ウイルス剤を含む。本発明に係る抗ウイルス性樹脂成形品の表面の２３℃の水に対する接触角が、８９°以下である。本発明に係る抗ウイルス性樹脂成形品では、上記の構成が備えられているので、抗ウイルス剤の抗ウイルス性を効果的に高めることができる。 The antiviral resin molded article according to the present invention contains a thermoplastic resin and an antiviral agent. In the antiviral resin molded article according to the present invention, the thermoplastic resin includes a polyolefin resin, an acrylonitrile-butadiene-styrene resin, or a polyvinyl chloride resin, and the antiviral agent includes a sulfonic acid-based antiviral agent, a silver-based antiviral agent, and a silver-based antiviral agent. Contains antiviral agents or carboxylic acid antiviral agents. 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.
図１は、本発明の一実施形態に係る抗ウイルス性樹脂成形品を模式的に示す断面図である。FIG. 1 is a cross-sectional view schematically showing an antiviral resin molded product according to an embodiment of the present invention.
　以下、本発明を詳細に説明する。以下の説明において、「抗ウイルス性樹脂材料」を「樹脂材料」と記載することがある。「抗ウイルス性樹脂成形品」を「樹脂成形品」と記載することがある。「アクリロニトリル・ブタジエン・スチレン樹脂」を「ＡＢＳ樹脂」と記載することがある。「抗ウイルス剤とは異なりかつ親水性基を有する化合物」を「親水性化合物」と記載することがある。 Hereinafter, the present invention will be explained in detail. In the following description, "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."
　（樹脂材料）
　本発明に係る樹脂材料は、熱可塑性樹脂と、抗ウイルス剤と、親水性化合物とを含有する。本発明に係る樹脂材料では、上記熱可塑性樹脂が、ポリオレフィン樹脂、ＡＢＳ樹脂又はポリ塩化ビニル樹脂を含み、上記抗ウイルス剤が、スルホン酸系抗ウイルス剤、銀系抗ウイルス剤、又はカルボン酸系抗ウイルス剤を含む。 (resin material)
The resin material according to the present invention contains a thermoplastic resin, an antiviral agent, and a hydrophilic compound. In the resin material according to the present invention, the thermoplastic resin includes a polyolefin resin, an ABS resin, or a polyvinyl chloride resin, and 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.
　本発明に係る樹脂材料では、上記の構成が備えられているので、抗ウイルス剤の抗ウイルス性を効果的に高めることができる。さらに、本発明に係る樹脂材料では、樹脂材料又はそれを用いた樹脂成形品が長期間用いられた場合でも、抗ウイルス性を長期に亘って高く維持することができる。また、本発明に係る樹脂材料では、抗ウイルス剤の含有量が少なくても高い抗ウイルス性が発現するため、抗ウイルス剤の使用量を比較的少なくすることができ、コストを低くすることができる。 Since the resin material according to the present invention has the above configuration, 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.
　上記の効果を発揮するメカニズムは特に限定されないが、以下の理由が考えられる。上述した特定の熱可塑性樹脂と上述した特定の抗ウイルス剤とを含む特定の組成を有する樹脂材料において、本発明では、上記親水性化合物がさらに含まれている。この特定の３種の成分の組み合わせによって、特に上記親水性化合物に由来して、樹脂材料又はそれを用いた樹脂成形品の表面にて、ウイルス吸着を不活化機構とする抗ウイルス剤を良好に存在させることができると考えられる。また、上記親水性化合物により、樹脂材料又は樹脂成形品の表面の親水性と疎水性とのバランスが変化するため、樹脂材料又は樹脂成形品の表面に、ウイルスが良好に移行及び拡散すると考えられる。 Although the mechanism by which the above effect is exerted is not particularly limited, the following reasons can be considered. In the present invention, 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. In addition, the above-mentioned 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. .
　さらに、本発明に係る樹脂材料では、上記の構成が備えられているので、樹脂材料又はそれを用いた樹脂成形品の耐水性を高めることができる。樹脂材料又はそれを用いた樹脂成形品が水に接触したとしても、高い抗ウイルス性を維持することができる。 Furthermore, since 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.
　さらに、本発明に係る樹脂材料では、上記の構成が備えられているので、樹脂材料又はそれを用いた樹脂成形品の耐溶剤性、特に耐エタノール性を高めることができる。樹脂材料又はそれを用いた樹脂成形品が溶剤に接触したとしても、高い抗ウイルス性を維持することができる。 Furthermore, since 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.
　さらに、本発明に係る樹脂材料では、上記の構成が備えられているので、樹脂材料又はそれを用いた樹脂成形品の耐アルカリ性、特に耐次亜塩素酸ナトリウム性を高めることができる。樹脂材料又はそれを用いた樹脂成形品がアルカリ剤に接触したとしても、高い抗ウイルス性を維持することができる。 Furthermore, since 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.
　例えば、上記樹脂成形品の表面は、清掃時に、水、溶剤（エタノール等）又はアルカリ剤（次亜塩素酸ナトリウム等）を含む拭き取り部材で拭き取られることがある。本発明では、上記樹脂成形品の表面が拭き取られても、抗ウイルス性を変化し難くすることができ、耐久性を高めることができる。 For example, during cleaning, 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.). In the present invention, even if the surface of the resin molded article is wiped off, the antiviral properties can be made difficult to change, and the durability can be improved.
　（樹脂成形品）
　本発明に係る樹脂成形品は、熱可塑性樹脂と、抗ウイルス剤と、親水性化合物とを含有する。本発明に係る樹脂成形品では、上記熱可塑性樹脂が、ポリオレフィン樹脂、ＡＢＳ樹脂又はポリ塩化ビニル樹脂を含み、上記抗ウイルス剤が、スルホン酸系抗ウイルス剤、銀系抗ウイルス剤、又はカルボン酸系抗ウイルス剤を含む。 (Resin molded product)
The resin molded article according to the present invention contains a thermoplastic resin, an antiviral agent, and a hydrophilic compound. In the resin molded article according to the present invention, the thermoplastic resin includes a polyolefin resin, an ABS resin, or a polyvinyl chloride resin, and the antiviral agent is a sulfonic acid antiviral agent, a silver antiviral agent, or a carboxylic acid antiviral agent. Contains antiviral agents.
　本発明に係る樹脂成形品は、熱可塑性樹脂と、抗ウイルス剤とを含有する。本発明に係る樹脂成形品では、上記熱可塑性樹脂が、ポリオレフィン樹脂、ＡＢＳ樹脂又はポリ塩化ビニル樹脂を含み、上記抗ウイルス剤が、スルホン酸系抗ウイルス剤、銀系抗ウイルス剤、又はカルボン酸系抗ウイルス剤を含む。本発明に係る樹脂成形品の表面の２３℃の水に対する接触角が、８９°以下である。 The resin molded article according to the present invention contains a thermoplastic resin and an antiviral agent. In the resin molded article according to the present invention, the thermoplastic resin includes a polyolefin resin, an ABS resin, or a polyvinyl chloride resin, and the antiviral agent is a sulfonic acid antiviral agent, a silver antiviral agent, or a carboxylic acid antiviral agent. Contains antiviral agents. 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.
　本発明に係る抗ウイルス性樹脂成形品では、上記の構成が備えられているので、抗ウイルス剤の抗ウイルス性を効果的に高めることができる。特に、上記親水性化合物を用いたり、上記樹脂成形品の表面の上記接触角を上記上限以下としたりすることで、抗ウイルス剤の抗ウイルス性を効果的に高めることができる。さらに、本発明に係る樹脂成形品では、該樹脂成形品が長期間用いられた場合でも、抗ウイルス性を長期に亘って高く維持することができる。また、本発明に係る樹脂成形品では、抗ウイルス剤の含有量が少なくても高い抗ウイルス性が発現するため、抗ウイルス剤の使用量を比較的少なくすることができ、コストを低くすることができる。 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. In particular, 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. Furthermore, in 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. In addition, 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.
　上記の効果を発揮するメカニズムは特に限定されないが、以下の理由が考えられる。上述した特定の熱可塑性樹脂と上述した特定の抗ウイルス剤とを含む特定の組成を有する樹脂成形品において、本発明では、上記親水性化合物がさらに含まれていたり、上記接触角が上記上限以下に制御されていたりする。この特定の３種の成分の組み合わせ又はこの特定の２種の成分と特定の接触角との組み合わせによって、特に上記親水性化合物又は特定の接触角に由来して、樹脂成形品の表面にて、ウイルス吸着を不活化機構とする抗ウイルス剤を良好に存在させることができると考えられる。また、上記親水性化合物又は上記接触角により、樹脂成形品の表面の親水性と疎水性とのバランスが変化するため、樹脂成形品の表面に、ウイルスが良好に移行及び拡散すると考えられる。 Although the mechanism by which the above effect is exerted is not particularly limited, the following reasons can be considered. In the resin molded article having a specific composition containing the above-mentioned specific thermoplastic resin and the above-mentioned specific antiviral agent, in the present invention, 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.
　さらに、本発明に係る樹脂成形品では、上記の構成が備えられているので、耐水性を高めることができる。樹脂成形品が水に接触したとしても、高い抗ウイルス性を維持することができる。 Furthermore, since 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.
　さらに、本発明に係る樹脂成形品では、上記の構成が備えられているので、耐溶剤性、特に耐エタノール性を高めることができる。樹脂成形品が溶剤に接触したとしても、高い抗ウイルス性を維持することができる。 Furthermore, since 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.
　さらに、本発明に係る樹脂成形品では、上記の構成が備えられているので、耐アルカリ性、特に耐次亜塩素酸ナトリウム性を高めることができる。樹脂成形品がアルカリ剤に接触したとしても、抗ウイルス性を維持することができる。 Furthermore, since 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.
　例えば、上記樹脂成形品の表面は、清掃時に、水、溶剤（エタノール等）又はアルカリ剤（次亜塩素酸ナトリウム等）を含む拭き取り部材で拭き取られることがある。本発明では、上記樹脂成形品の表面が拭き取られても、抗ウイルス性を変化し難くすることができ、耐久性を高めることができる。 For example, during cleaning, 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.). In the present invention, even if the surface of the resin molded article is wiped off, the antiviral properties can be made difficult to change, and the durability can be improved.
　上記樹脂成形品の表面の２３℃の水に対する接触角は、好ましくは８９°以下、より好ましくは８０°以下、更に好ましくは７５°以下である。上記接触角が上記上限であると、樹脂成形品における抗ウイルス性がより一層良好になる。上記樹脂成形品の表面の２３℃の水に対する接触角は、７０°以下であってもよく、７０°未満であってもよく、６７°以下であってもよく、６５°以下であってもよい。上記接触角の下限は特に限定されない。上記樹脂成形品の表面の２３℃の水に対する接触角は、３０°以上であってもよく、４０°以上であってもよい。上記接触角は、上記樹脂成形品の平面で測定することが好ましい。 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.
　上記接触角は、具体的には、以下のようにして測定することができる。 Specifically, the above contact angle can be measured as follows.
　樹脂成形品及び接触角計（例えば、協和界面科学社製、固液界面解析システム　ＤｒｏｐＭａｓｔｅｒ　ＤＭｓ－４０１）を用い、液滴法による水に対する接触角の経時変化を観察する。樹脂成形品に水の液滴が着弾してから５分後の接触角を測定する。樹脂成形品を縦３ｃｍ×横３ｃｍの大きさに切り出して、上記接触角を測定することが好ましい。 Using 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.), observe changes over time in the contact angle to water using the droplet method. 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.
　上記樹脂成形品の表面の水に対する接触角を上記上限以下にする方法としては、ウイルス剤とは異なりかつ親水性基を有する化合物（親水性化合物）を配合する方法、及び樹脂成形品の表面を親水化処理する方法等が挙げられる。上記樹脂成形品の表面を親水化処理する方法によって、上記樹脂成形品を得るための樹脂材料に上記親水性化合物を配合しなくても、本発明の効果を発揮することができる。本発明の構成による上記の効果、特に抗ウイルス性をより一層効果的に発揮する観点からは、上記親水性化合物を用いる方法と上記接触角を上記上限以下にする方法とのうち、上記親水性化合物を用いる方法が好ましい。上記親水性化合物を用いる方法と上記接触角を上記上限以下にする方法との双方を採用することがより好ましい。また、上記親水性化合物を用いることで、上記接触角を上記上限以下にすることが容易である。 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. By the method of hydrophilizing the surface of the resin molded article, the effects of the present invention can be exhibited even if the hydrophilic compound is not blended into the resin material for obtaining the resin molded article. From the viewpoint of more effectively exhibiting the above-mentioned effects of the structure of the present invention, especially antiviral properties, 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.
　以下、本発明に係る樹脂材料及び本発明に係る樹脂成形品の他の詳細を説明する。 Hereinafter, other details of the resin material according to the present invention and the resin molded product according to the present invention will be explained.
　［熱可塑性樹脂］
　熱可塑性樹脂としては、ポリオレフィン樹脂、ポリ塩化ビニル樹脂、ポリアミド樹脂、ポリカーボネート樹脂、ポリスチレン樹脂、ポリエステル樹脂、アクリロニトリル－ブタジエン－スチレン樹脂（ＡＢＳ樹脂）、ポリエチレンテレフタレート（ＰＥＴ）、及びポリメタクリル酸メチル（ＰＭＭＡ）等が知られている。 [Thermoplastic resin]
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.
　上記樹脂材料及び上記樹脂成形品は、熱可塑性樹脂として、ポリオレフィン樹脂、ＡＢＳ樹脂又はポリ塩化ビニル樹脂を含む。すなわち、本発明では、特定の熱可塑性樹脂が選択して用いられている。上記熱可塑性樹脂は、１種のみが用いられてもよく、２種以上が併用されてもよい。 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.
　上記熱可塑性樹脂は、ポリオレフィン樹脂又はＡＢＳ樹脂を含んでいてもよく、ポリオレフィン樹脂又はポリ塩化ビニル樹脂を含んでいてもよく、ＡＢＳ樹脂又はポリ塩化ビニル樹脂を含んでいてもよく、ポリオレフィン樹脂を含んでいてもよく、ＡＢＳ樹脂を含んでいてもよく、ポリ塩化ビニル樹脂を含んでいてもよい。 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.
　本発明の構成による上記の効果、特に抗ウイルス性をより一層効果的に発揮する観点からは、上記熱可塑性樹脂は、ポリオレフィン樹脂を含むことが好ましく、ポリオレフィン樹脂であることがより好ましい。 From the viewpoint of more effectively exhibiting the above-mentioned effects provided by the structure of the present invention, particularly antiviral properties, the thermoplastic resin preferably contains a polyolefin resin, and is more preferably a polyolefin resin.
　上記ポリオレフィン樹脂としては、ポリエチレン、ポリプロピレン、エチレン－プロピレン共重合体（ＥＰＤＭ）、イソブチレン－イソプレン共重合体、ポリスチレン、ポリブテン、ポリイソブチレン、ポリブタジエン、アクリロニトリルーブタジエン共重合体、エチレン－酢酸ビニル共重合体、及びエチレン－α－オレフィン共重合体等が挙げられる。ポリエチレンは、重合成分としてエチレンを５０重量％以上用いて得られる。ポリプロピレンは、重合成分としてプロピレンを５０重量％以上用いて得られる。上記ポリオレフィン樹脂は、１種のみが用いられてもよく、２種以上が併用されてもよい。 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-α-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.
　本発明の構成による上記の効果、特に抗ウイルス性をより一層効果的に発揮する観点からは、上記ポリオレフィン樹脂は、ポリエチレン又はポリプロピレンであることが好ましく、ポリプロピレンであることがより好ましい。本発明の構成による上記の効果、特に抗ウイルス性をより一層効果的に発揮する観点からは、上記熱可塑性樹脂は、ポリエチレン又はポリプロピレンであることが好ましく、ポリプロピレンであることがより好ましい。 From the viewpoint of more effectively exhibiting the above-mentioned effects of the structure of the present invention, particularly antiviral properties, the polyolefin resin is preferably polyethylene or polypropylene, and more preferably polypropylene. From the viewpoint of more effectively exhibiting the above-mentioned effects of the structure of the present invention, particularly antiviral properties, the thermoplastic resin is preferably polyethylene or polypropylene, and more preferably polypropylene.
　上記ポリ塩化ビニル樹脂としては、塩化ビニルモノマーの単独重合体、塩化ビニルモノマーと塩化ビニルと共重合可能なビニルモノマーとの共重合体等が挙げられる。該共重合体は、５０重量％以上の塩化ビニルモノマーと５０重量％以下の塩化ビニルと共重合可能なビニルモノマーとの共重合体であることが好ましい。上記ポリ塩化ビニル樹脂は、１種のみが用いられてもよく、２種以上が併用されてもよい。 Examples of the polyvinyl chloride resin 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.
　上記塩化ビニルモノマーと共重合可能なビニルモノマーとしては、酢酸ビニル、アクリロニトリル、塩化ビニリデン、エチレン、ビニルエーテル、マレイン酸、無水マレイン酸、アクリル酸エステル、フッ化ビニル及びマレイミド等が挙げられる。上記ビニルモノマーは、１種のみが用いられてもよく、２種以上が併用されてもよい。 Examples of 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.
　上記熱可塑性樹脂の重合度は、好ましくは１万以上、より好ましくは１０万以上である。上記熱可塑性樹脂の重合度の上限は、特に限定されない。上記熱可塑性樹脂の重合度は、１×１０１００以下であってもよく、１×１０１０以下であってもよく、１×１０８以下であってもよい。 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.
　［抗ウイルス剤］
　抗ウイルス剤としては、無機系抗ウイルス剤、及び有機系抗ウイルス剤等が挙げられる。上記無機系抗ウイルス剤としては、銀系、銅系に代表される金属系抗ウイルス剤が知られている。上記有機系抗ウイルス剤としては、スルホン酸系、カルボン酸系に代表されるアニオン系有機抗ウイルス剤、及びアミン系に代表されるカチオン系有機抗ウイルス剤等が知られている。カルボン酸系抗ウイルス剤としては、アクリル酸系抗ウイルス剤等が挙げられる。アミン系抗ウイルス剤としては、グアニジン系に代表されるカチオン系有機抗ウイルス剤等が挙げられる。 [Antiviral agent]
Examples of the antiviral agent include inorganic antiviral agents and organic antiviral agents. As the above-mentioned inorganic antiviral agents, metal-based antiviral agents typified by silver-based and copper-based antiviral agents are known. As the above-mentioned 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. Examples of amine-based antiviral agents include cationic organic antiviral agents represented by guanidine-based antiviral agents.
　上記樹脂材料及び上記樹脂成形品は、抗ウイルス剤として、スルホン酸系抗ウイルス剤、銀系抗ウイルス剤、又はカルボン酸系抗ウイルス剤を含む。すなわち、本発明では、特定の抗ウイルス剤が選択して用いられている。上記抗ウイルス剤は、１種のみが用いられてもよく、２種以上が併用されてもよい。 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.
　上記抗ウイルス剤は、スルホン酸系抗ウイルス剤又は銀系抗ウイルス剤を含んでいてもよく、スルホン酸系抗ウイルス剤又はカルボン酸系抗ウイルス剤を含んでいてもよく、銀系抗ウイルス剤又はカルボン酸系抗ウイルス剤を含んでいてもよい。上記抗ウイルス剤は、スルホン酸系抗ウイルス剤を含んでいてもよく、銀系抗ウイルス剤を含んでいてもよく、カルボン酸系抗ウイルス剤を含んでいてもよい。 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.
　本発明の構成による上記の効果、特に抗ウイルス性をより一層効果的に発揮する観点からは、上記抗ウイルス剤は、有機系抗ウイルス剤を含むことが好ましく、スルホン酸系抗ウイルス剤を含むことがより好ましく、スルホン酸系抗ウイルス剤であることが更に好ましい。 From the viewpoint of more effectively exhibiting the above-mentioned effects of the structure of the present invention, particularly antiviral properties, 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.
　上記スルホン酸系抗ウイルス剤は、スルホン酸基を有する化合物又はスルホン酸塩を含む。上記スルホン酸系抗ウイルス剤としては、スルホン酸基含有重合体粒子及びスルホン酸塩含有重合体粒子等が挙げられる。上記スルホン酸系抗ウイルス剤は、１種のみが用いられてもよく、２種以上が併用されてもよい。 The above-mentioned sulfonic acid antiviral agent contains a compound having a sulfonic acid group or a sulfonic acid salt. Examples of 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.
　上記スルホン酸系抗ウイルス剤（スルホン酸基含有重合体粒子又はスルホン酸塩含有重合体粒子）を構成するモノマーとしては、スチレンスルホン酸ナトリウム、スチレンスルホン酸カルシウム、スチレンスルホン酸アンモニウム、及びスチレンスルホン酸マグネシウム等が挙げられる。上記モノマーは、１種のみが用いられてもよく、２種以上が併用されてもよい。 The monomers constituting the sulfonic acid antiviral agent (sulfonic acid group-containing polymer particles or sulfonate salt-containing polymer particles) 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.
　上記スルホン酸系抗ウイルス剤は、スチレンスルホン酸又はその塩と疎水性モノマーとの共重合体粒子であることが好ましい。この場合には、樹脂材料及び樹脂成形品が水と接触した場合に、白化が生じることを効果的に抑えることができる。 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.
　上記疎水性モノマーとしては、エチレン、プロピレン、ブチレン、ブタジエン、ジイソブチレン、塩化ビニル、塩化ビニリデン、２－ビニルナフタレン、スチレン、ビニルアルキルエーテル、酢酸ビニル、アクリロニトリル、アルキル（メタ）アクリレート、（メタ）アクリル酸、（メタ）アクリル酸ナトリウム、マレイン酸、フマル酸、無水マレイン酸、（メタ）アクリルアミド、ジアセトンアクリルアミド、ビニルトルエン、キシレンスルホン酸、ビニルピリジン、ビニルスルホン酸、ビニルアルコール、（メタ）アクリル酸メチル、及び（メタ）アクリル酸ヒドロキシエチル等が挙げられる。上記疎水性モノマーは、１種のみが用いられてもよく、２種以上が併用されてもよい。 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.
　樹脂材料及び樹脂成形品の白化をより一層効果的に抑える観点からは、上記疎水性モノマーは、スチレン又は２－ビニルナフタレンであることが好ましく、スチレンであることがより好ましい。 From the viewpoint of more effectively suppressing whitening of resin materials and resin molded articles, the hydrophobic monomer is preferably styrene or 2-vinylnaphthalene, and more preferably styrene.
　スチレンスルホン酸又はその塩とスチレンとの共重合体粒子としては、スチレンスルホン酸－スチレン共重合体粒子、スチレンスルホン酸塩－スチレン共重合体粒子、及びスチレンスルホン酸塩－スチレンスルホン酸－スチレン三元共重合体粒子等が挙げられる。 Examples of 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.
　上記スチレンスルホン酸塩－スチレン共重合体粒子としては、スチレンスルホン酸ナトリウム－スチレン共重合体粒子、スチレンスルホン酸カルシウム－スチレン共重合体粒子、スチレンスルホン酸アンモニウム－スチレン共重合体粒子、及びスチレンスルホン酸マグネシウム－スチレン共重合体粒子等が挙げられる。上記スチレンスルホン酸塩－スチレン共重合体粒子は、スチレンスルホン酸ナトリウム－スチレン共重合体粒子であることが好ましく、ｐ－スチレンスルホン酸ナトリウム－スチレン共重合体粒子であることがより好ましい。 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.
　上記スチレンスルホン酸塩－スチレンスルホン酸－スチレン三元共重合体粒子としては、スチレンスルホン酸ナトリウム－スチレンスルホン酸－スチレン三元共重合体粒子、スチレンスルホン酸カルシウム－スチレンスルホン酸－スチレン三元共重合体粒子、スチレンスルホン酸アンモニウム－スチレンスルホン酸－スチレン三元共重合体粒子、及びスチレンスルホン酸マグネシウム－スチレンスルホン酸－スチレン三元共重合体粒子等が挙げられる。上記スチレンスルホン酸塩－スチレンスルホン酸－スチレン三元共重合体粒子は、スチレンスルホン酸ナトリウム－スチレンスルホン酸－スチレン三元共重合体粒子であることが好ましく、ｐ－スチレンスルホン酸ナトリウム－スチレンスルホン酸－スチレン三元共重合体粒子であることがより好ましい。 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.
　上記スルホン酸系抗ウイルス剤を構成する重合体の重量平均分子量は、好ましくは２万以上、より好ましくは５万以上、更に好ましくは１０万以上であり、好ましくは１００万以下である。上記重合体の重量平均分子量が上記下限以上であると、抗ウイルス性をより一層効果的に発揮することができる。上記重合体の重量平均分子量が上記上限以下であると、樹脂材料の粘度を適切な範囲にすることができ、樹脂材料の取り扱い性を良好にすることができる。 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. When the weight average molecular weight of the polymer is at least the above lower limit, antiviral properties can be exhibited even more effectively. When 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.
　なお、上記スルホン酸系抗ウイルス剤と、カルボニル基又はエーテル基を有する化合物とを併用すると、極性基であるスルホン酸基がカルボニル基又はエーテル基と相溶することにより、抗ウイルス剤の抗ウイルス性が低下しやすくなる傾向がある。したがって、上記スルホン酸系抗ウイルス剤と、カルボニル基又はエーテル基を有する化合物とを併用する場合には、上記スルホン酸系抗ウイルス剤としては、極性が低いモノマー（低極性モノマー）を含む重合成分の共重合体を用いることが好ましい。 In addition, when the above sulfonic acid antiviral agent and a compound having a carbonyl group or ether group are 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
　上記極性が低いモノマーとしては、（メタ）アクリロイル基を有する化合物等が挙げられる。（メタ）アクリロイル基とは、アクリロイル基又はメタクリロイル基を意味する。 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.
　上記（メタ）アクリロイル基を有する化合物としては、エチレングリコールジ（メタ）アクリレート、プロピレングリコールジ（メタ）アクリレート、１，４－ブタンジオールジ（メタ）アクリレート、１，６－ヘキサンジオールジ（メタ）アクリレート、１，９－ノナンジオールジメタクリレート、ネオペンチルグリコールジ（メタ）アクリレート、ポリエチレングリコールジ（メタ）アクリレート、ヒドロキシピバリン酸ネオペンチルグリコールジ（メタ）アクリレート、ジシクロペンタニルジ（メタ）アクリレート、カプロラクトン変性ジシクロペンテニルジ（メタ）アクリレート、エチレンオキシド変性リン酸ジ（メタ）アクリレート、アリル化シクロヘキシルジ（メタ）アクリレート、イソシアヌレートジ（メタ）アクリレート、トリメチロールプロパントリ（メタ）アクリレート、エチレンオキシド変性トリメチロールプロパントリ（メタ）アクリレート、ジペンタエリスリトールトリ（メタ）アクリレート、プロピオン酸変性ジペンタエリスリトールトリ（メタ）アクリレート、ペンタエリスリトールトリ（メタ）アクリレート、プロピレンオキシド変性トリメチロールプロパントリ（メタ）アクリレート、トリス（アクリロキシエチル）イソシアヌレート、プロピオン酸変性ジペンタエリスリトールペンタ（メタ）アクリレート、ジペンタエリスリトールヘキサ（メタ）アクリレート、エチレンオキシド変性ジペンタエリスリトールヘキサ（メタ）アクリレート、及びカプロラクトン変性ジペンタエリスリトールヘキサ（メタ）アクリレート等が挙げられる。 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. Acrylate, 1,9-nonanediol dimethacrylate, neopentyl glycol di(meth)acrylate, polyethylene glycol di(meth)acrylate, hydroxypivalic acid neopentyl glycol di(meth)acrylate, dicyclopentanyl di(meth)acrylate, Caprolactone-modified dicyclopentenyl di(meth)acrylate, ethylene oxide-modified phosphoric di(meth)acrylate, allylated cyclohexyl di(meth)acrylate, isocyanurate di(meth)acrylate, trimethylolpropane tri(meth)acrylate, ethylene oxide-modified tri(meth)acrylate Methylolpropane tri(meth)acrylate, dipentaerythritol tri(meth)acrylate, propionic acid modified dipentaerythritol tri(meth)acrylate, pentaerythritol tri(meth)acrylate, propylene oxide modified trimethylolpropane tri(meth)acrylate, Tris (acryloxyethyl)isocyanurate, propionic acid-modified dipentaerythritol penta(meth)acrylate, dipentaerythritol hexa(meth)acrylate, ethylene oxide-modified dipentaerythritol hexa(meth)acrylate, and caprolactone-modified dipentaerythritol hexa(meth)acrylate Examples include acrylate.
　上記（メタ）アクリロイル基を有する化合物は、ポリエチレングリコールジ（メタ）アクリレート、トリメチロールプロパントリ（メタ）アクリレート、又はジペンタエリスリトールヘキサ（メタ）アクリレートであることが好ましい。 The compound having a (meth)acryloyl group is preferably polyethylene glycol di(meth)acrylate, trimethylolpropane tri(meth)acrylate, or dipentaerythritol hexa(meth)acrylate.
　上記銀系抗ウイルス剤は、銀又はその塩を含む。上記銀系抗ウイルス剤は、例えば、銀含有粒子である。上記銀系抗ウイルス剤（銀含有粒子）は、１種のみが用いられてもよく、２種以上が併用されてもよい。 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.
　上記銀系抗ウイルス剤（銀含有粒子）としては、銀粒子、銀塩粒子及び銀錯体粒子等が挙げられる。上記銀塩としては、硝酸銀、硫酸銀、及び塩化銀等が挙げられる。上記銀錯体としては、チオスルファイト銀錯体及び塩化銀ナトリウム錯体等が挙げられる。 Examples of the silver-based antiviral agent (silver-containing particles) include silver particles, silver salt particles, and silver complex particles. Examples of the silver salt include silver nitrate, silver sulfate, and silver chloride. Examples of the silver complex include a thiosulfite silver complex and a silver sodium chloride complex.
　また、上記銀系抗ウイルス剤（銀含有粒子）としては、銀含有化合物が担体に担持された粒子も挙げられる。上記銀含有化合物としては、銀粒子、銀塩粒子及び銀錯体粒子等が挙げられる。上記担体としては、ゼオライト、シリカゲル、ケイ酸塩、リン酸塩、溶解性ガラス、活性炭及び金属担体等が挙げられる。 Further, examples of the silver-based antiviral agent (silver-containing particles) include particles in which a silver-containing compound is supported on a carrier. Examples of the silver-containing compound include silver particles, silver salt particles, and silver complex particles. Examples of the carrier include zeolite, silica gel, silicate, phosphate, soluble glass, activated carbon, and metal carrier.
　さらに上記銀系抗ウイルス剤（銀含有粒子）としては、コロイダル銀も挙げられる。上記コロイダル銀の平均粒子径は、例えば、１ｎｍ以上１μｍ以下である。 Further, the silver-based antiviral agent (silver-containing particles) includes colloidal silver. The average particle diameter of the colloidal silver is, for example, 1 nm or more and 1 μm or less.
　上記カルボン酸系抗ウイルス剤は、カルボン酸又はカルボン酸塩に由来する化合物を含む。上記カルボン酸系抗ウイルス剤は、１種のみが用いられてもよく、２種以上が併用されてもよい。 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.
　上記カルボン酸系抗ウイルス剤は、少なくとも１つのカルボキシル基を有することが好ましい。上記カルボン酸系抗ウイルス剤としては、アジピン酸、安息香酸、ラウリン酸、アゼライン酸、セバシン酸、ドデカン二酸、フマル酸、フタル酸、イソフタル酸、テレフタル酸、メチレンジサリチル酸、ｃｉｓ－Δ４－テトラヒドロフタル酸、カプロン酸、エナント酸、カプリル酸、ペラルゴン酸、カプリン酸、ラウリン酸、ミリスチン酸、パルミチン酸、ステアリン酸、ミリストレイン酸、オレイン酸、リシノール酸、サリチル酸、没食子酸水和物、ベンジル酸、４－アミノ安息香酸、トリグリコラミン酸、エチレンジアミン四酢酸、１，３－ジアミノプロパン四酢酸、エチレンジアミンコハク酸、ジエチレントリアミン五酢酸、１－アミノ－１－シクロブタンカルボン酸、シクロロイシン、１－アミノシクロヘサンカルボン酸、３－アミノシクロヘキサンカルボン酸、及びアクリル酸に由来する化合物等が挙げられる。 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-Δ4-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, ethylenediaminesuccinic acid, diethylenetriaminepentaacetic acid, 1-amino-1-cyclobutanecarboxylic acid, cycloleucine, 1-aminocyclo Examples include compounds derived from hesancarboxylic acid, 3-aminocyclohexanecarboxylic acid, and acrylic acid.
　上記アクリル酸に由来する化合物としては、アクリル酸－（メタ）アクリル酸メチル共重合体、アクリル酸－（メタ）アクリル酸エチル共重合体、アクリル酸－（メタ）アクリル酸ブチル共重合体、アクリル酸－（メタ）アクリル酸２エチルヘキシル共重合体、及びアクリル酸－（メタアクリル酸）共重合体等が挙げられる。 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.
　本発明の構成による上記の効果、特に抗ウイルス性をより一層効果的に発揮する観点からは、上記熱可塑性樹脂は、ポリオレフィン樹脂を含み、かつ上記抗ウイルス剤は、スルホン酸系抗ウイルス剤を含むことが好ましく、上記熱可塑性樹脂は、ポリオレフィン樹脂であり、かつ上記抗ウイルス剤は、スルホン酸系抗ウイルス剤であることがより好ましい。すなわち、上記熱可塑性樹脂と上記抗ウイルス剤との組み合わせとして、ポリオレフィン樹脂とスルホン酸系抗ウイルス剤との組み合わせが特に好ましい。この特定の組み合わせの組成に対して、上記親水性化合物をさらに含ませることにより、抗ウイルス性が顕著に高くなる。 From the viewpoint of more effectively exhibiting the above-mentioned effects, especially antiviral properties, by the configuration of the present invention, 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. By further including the above-mentioned hydrophilic compound in the composition of this particular combination, the antiviral properties are significantly increased.
　本発明の構成による上記の効果、特に抗ウイルス性をより一層効果的に発揮する観点からは、上記抗ウイルス剤は、有機粒子に界面活性剤が担持された抗ウイルス剤であることが好ましい。以下の説明において、「有機粒子に界面活性剤が担持された抗ウイルス剤」を「抗ウイルス剤Ｘ」と記載することがある。上記抗ウイルス剤Ｘは、粒子である。 From the viewpoint of more effectively exhibiting the above-mentioned effects of the structure of the present invention, particularly antiviral properties, the antiviral agent is preferably an antiviral agent in which a surfactant is supported on organic particles. In the following description, "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.
　上記有機粒子の材料としては、樹脂等が挙げられる。上記有機粒子は、樹脂粒子であることが好ましい。 Examples of the material for the organic particles include resins and the like. The organic particles are preferably resin particles.
　上記有機粒子（又は樹脂粒子）を構成する上記樹脂は、熱可塑性樹脂であってもよく、熱硬化性樹脂の硬化物であってもよい。なお、上記抗ウイルス剤Ｘにおける上記有機粒子を構成する樹脂が熱可塑性樹脂である場合に、上記有機粒子を構成する熱可塑性樹脂は、上記樹脂材料に含まれる熱可塑性樹脂に含まれないこととする。上記有機粒子を構成する熱可塑性樹脂は、上記樹脂材料に含まれる熱可塑性樹脂とは異なる。 The resin constituting the organic particles (or resin particles) may be a thermoplastic resin or a cured thermosetting resin. In addition, when 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.
　上記有機粒子を構成する上記樹脂としては、ポリプロピレン（ＰＰ）樹脂、ポリ塩化ビニル（ＰＶＣ）樹脂、ポリメチルメタクリレート（ＰＭＭＡ）樹脂、ポリスチレン（ＰＳ）樹脂、ポリカーボネート樹脂、ポリエチレンテレフタレート（ＰＥＴ）樹脂、芳香族ポリエステル樹脂、アクリロニトリル・ブタジエン・スチレン（ＡＢＳ）樹脂、アクリロニトリル・スチレン（ＡＳ）樹脂、メチルメタクリレート・スチレン（ＭＳ）樹脂、メチルメタクリレート・ブタジエン・スチレン（ＭＢＳ）樹脂、エポキシ樹脂、ポリウレタン樹脂、ポリエチレン（ＰＥ）樹脂、ポリエーテルエーテルケトン（ＰＥＥＫ）樹脂、ポリエーテルケトンケトン（ＰＥＫＫ）樹脂、熱可塑性オレフィン（ＴＰＯ）樹脂、ポリテトラフルオロエチレン樹脂、ポリフッ化ビニル（ＰＶＦ）樹脂、及びシリコーン樹脂等が挙げられる。 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. group 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.
　上記界面活性剤としては、アニオン系界面活性剤及びカチオン系界面活性剤等が挙げられる。上記界面活性剤は、１種のみが用いられてもよく、２種以上が併用されてもよい。 Examples of the above-mentioned surfactants include anionic surfactants and cationic surfactants. The above-mentioned surfactants may be used alone or in combination of two or more.
　本発明の構成による上記の効果、特に抗ウイルス性をより一層効果的に発揮する観点からは、上記界面活性剤は、スルホン酸系界面活性剤であることが好ましい。上記スルホン酸系抗ウイルス剤は、有機粒子にスルホン酸系界面活性剤が担持された抗ウイルス剤であることが好ましい。 From the viewpoint of more effectively exhibiting the above-mentioned effects of the structure of the present invention, particularly antiviral properties, 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.
　上記スルホン酸系界面活性剤としては、アルキルベンゼンスルホン酸系化合物、アルキルジフェニルエーテルジスルホン酸系化合物、アルキルナフタレンスルホン酸系化合物、アルキル硫酸エステル系化合物、ポリオキシエチレンアルキル硫酸エステル系化合物、及びナフタレンスルホン酸ホルマリン縮合物系化合物等が挙げられる。上記スルホン酸系界面活性剤は、１種のみが用いられてもよく、２種以上が併用されてもよい。 Examples of the sulfonic acid surfactants 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.
　本発明の構成による上記の効果、特に抗ウイルス性をより一層効果的に発揮する観点からは、上記スルホン酸系界面活性剤は、アルキルベンゼンスルホン酸系化合物、アルキルジフェニルエーテルジスルホン酸系化合物、又はアルキルナフタレンスルホン酸系化合物であることが好ましい。 From the viewpoint of more effectively exhibiting the above-mentioned effects, especially antiviral properties, by the structure of the present invention, the sulfonic acid surfactant is an alkylbenzene sulfonic acid compound, an alkyldiphenyl ether disulfonic acid compound, or an alkylnaphthalene. Sulfonic acid compounds are preferred.
　上記抗ウイルス剤Ｘにおいて、上記有機粒子１００重量部に対する上記界面活性剤の含有量（上記有機粒子１００重量部に対する担持された上記界面活性剤の量）は、好ましくは２０重量部以上、より好ましくは３０重量部以上、好ましくは５０重量部以下、より好ましくは４０重量部以下である。上記界面活性剤の含有量が上記下限以上及び上記上限以下であると、本発明の構成による上記の効果、特に抗ウイルス性をより一層効果的に発揮することができる。 In the above-mentioned antiviral agent is 30 parts by weight or more, preferably 50 parts by weight or less, more preferably 40 parts by weight or less. When the 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.
　上記抗ウイルス剤（上記抗ウイルス剤Ｘ等）の粒子径は、好ましくは０．１μｍ以上、より好ましくは０．５μｍ以上、更に好ましくは１μｍ以上であり、好ましくは５０μｍ以下、より好ましくは２０μｍ以下、更に好ましくは１０μｍ以下、特に好ましくは５μｍ以下である。上記抗ウイルス剤の粒子径が上記下限以上であると、上記樹脂材料又は樹脂成形品において抗ウイルス剤が凝集しにくくかつ抗ウイルス剤の分散性を高めることができ、樹脂材料又は樹脂成形品の外観を良好にすることができる。上記抗ウイルス剤の粒子径が上記上限以下であると、樹脂材料又は樹脂成形品の外観をより一層良好にすることができる。 The particle diameter of the above antiviral agent (such as the above antiviral agent , more preferably 10 μm or less, particularly preferably 5 μm or less. When 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. When 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.
　上記抗ウイルス剤の粒子径は、上記抗ウイルス剤の全体での平均粒子径であることが好ましい。上記抗ウイルス剤の平均粒子径は、数平均粒子径であることが好ましい。上記抗ウイルス剤の平均粒子径は、例えば、抗ウイルス剤をスクワラン等の溶媒に分散させて、レーザー回折式粒度分布測定を行うことにより求められる。 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.
　［抗ウイルス剤とは異なりかつ親水性基を有する化合物（親水性化合物）］
　上記樹脂材料は、上記親水性化合物を含む。上記樹脂成形品は、上記親水性化合物を含むことが好ましい。上記樹脂成形品の表面の上記接触角が上記上限以下である場合に、上記樹脂成形品は、上記親水性化合物を含んでいてもよく、含んでいなくてもよい。上記親水性化合物は、熱可塑性樹脂とは異なる。上記親水性化合物は、１種のみが用いられてもよく、２種以上が併用されてもよい。 [Compound that is different from antiviral agents and has a hydrophilic group (hydrophilic compound)]
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.
　上記親水性基としては、エーテル基、ヒドロキシ基、カルボキシ基、アミノ基及びアミド基等が挙げられる。本発明の構成による上記の効果、特に抗ウイルス性をより一層効果的に発揮する観点からは、上記親水性基は、エーテル基、ヒドロキシ基又はアミド基であることが好ましい。 Examples of the hydrophilic groups 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.
　上記親水性化合物としては、ポリエチレングリコール系化合物、セルロース、及びポリビニルピロリドン等が挙げられる。ポリエチンレングリコール系化合物としては、ポリエチレングリコール、及びポリエチレングリコール脂肪酸エステル等が挙げられる。本発明の構成による上記の効果、特に抗ウイルス性をより一層効果的に発揮する観点からは、上記親水性化合物は、ポリエチレングリコール系化合物、セルロース、又はポリビニルピロリドンを含むことが好ましく、ポリエチレングリコール系化合物又はポリビニルピロリドンを含むことがより好ましく、ポリエチレングリコール、ポリエチレングリコール脂肪酸エステル又はポリビニルピロリドンを含むことが更に好ましく、ポリビニルピロリドンを含むことが特に好ましい。ポリビニルピロリドンは、親水性基として、アミド基を有する。ポリエチレングリコール系化合物、セルロース、及びポリビニルピロリドンはそれぞれ、上記親水性基以外の構造を有していてもよい。 Examples of the hydrophilic compounds include polyethylene glycol compounds, cellulose, and polyvinylpyrrolidone. Examples of polyethylene glycol compounds include polyethylene glycol, polyethylene glycol fatty acid ester, and the like. From the viewpoint of more effectively exhibiting the above-mentioned effects, especially antiviral properties, by the structure of the present invention, 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.
　［他の成分］
　上記樹脂材料は、例えば、溶剤、増粘剤、充填剤、抗菌剤、難燃剤、防黴剤、紫外線吸収剤、及び粘着付与剤等の他の成分を含んでいてもよい。上記他の成分は、１種のみが用いられてもよく、２種以上が併用されてもよい。 [Other ingredients]
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.
　［樹脂材料中の各成分の配合量］
　上記樹脂材料１００重量％中、上記熱可塑性樹脂の含有量は、好ましくは４０重量％以上、より好ましくは４５重量％以上、更に好ましくは５０重量％以上、特に好ましくは５５重量％以上であり、好ましくは９９．８重量％以下、より好ましくは９７重量％以下、より一層好ましくは９６重量％以下、更に好ましくは９５重量％以下、更に一層好ましくは９０重量％以下、特に好ましくは８５重量％以下、最も好ましくは８０重量％以下である。上記熱可塑性樹脂の含有量が上記下限以上であると、樹脂材料の成形性及び配合成分の分散性がより一層良好になる。上記熱可塑性樹脂の含有量が上記上限以下であると、樹脂材料及びそれを用いた樹脂成形品における成形性及び機械特性がより一層良好になる。 [Amount of each component in the resin material]
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. When 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. When 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.
　上記樹脂材料１００重量％中、上記抗ウイルス剤の含有量は、好ましくは０．１重量％以上、より好ましくは０．５重量％以上、更に好ましくは１重量％以上、特に好ましくは２重量％以上、最も好ましくは３重量％以上であり、好ましくは２０重量％以下、より好ましくは１０重量％以下、更に好ましくは８重量％以下、特に好ましくは６重量％以下、最も好ましくは５重量％以下である。上記抗ウイルス剤の含有量が上記下限以上であると、樹脂材料及びそれを用いた樹脂成形品における抗ウイルス性がより一層良好になる。上記抗ウイルス剤の含有量が上記上限以下であると、樹脂材料及びそれを用いた樹脂成形品における成形性及び機械特性がより一層良好になる。 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. When 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. When 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.
　上記樹脂材料１００重量％中、上記親水性化合物の含有量は、好ましくは０．１重量％以上、より好ましくは０．５重量％以上、更に好ましくは１重量％以上、特に好ましくは２重量％以上、最も好ましくは５重量％以上であり、好ましくは７０重量％以下、より好ましくは５０重量％以下、更に好ましくは３０重量％以下、特に好ましくは２０重量％以下、最も好ましくは１０重量％以下である。上記親水性化合物の含有量が上記下限以上であると、樹脂材料及びそれを用いた樹脂成形品における抗ウイルス性がより一層良好になる。上記親水性化合物の含有量が上記上限以下であると、樹脂材料及びそれを用いた樹脂成形品における成形性及び機械特性がより一層良好になる。 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. When 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. When 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.
　上記樹脂材料１００重量％中、上記抗ウイルス剤と上記親水性化合物との合計の含有量は、好ましくは０．２重量％以上、より好ましくは０．５重量％以上、更に好ましくは０．８重量％以上、特に好ましくは１．５重量％以上、最も好ましくは３重量％以上であり、好ましくは８０重量％以下、より好ましくは６０重量％以下、更に好ましくは４０重量％以下、特に好ましくは３０重量％以下、最も好ましくは１１重量％以下である。上記抗ウイルス剤と上記親水性化合物との合計の含有量が上記下限以上であると、樹脂材料及びそれを用いた樹脂成形品における抗ウイルス性がより一層良好になる。上記抗ウイルス剤と上記親水性化合物との合計の含有量が上記上限以下であると、樹脂材料及びそれを用いた樹脂成形品における成形性及び機械特性がより一層良好になる。 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. When 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. When 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.
　上記樹脂材料において、上記抗ウイルス剤の含有量の上記親水性化合物の含有量に対する重量比を、重量比（抗ウイルス剤の含有量／親水性化合物の含有量）と記載する。上記重量比（抗ウイルス剤の含有量／親水性化合物の含有量）は、好ましくは０．１以上、より好ましくは０．１５以上、更に好ましくは０．２以上、特に好ましくは０．２５以上であり、好ましくは１０以下、より好ましくは５以下、より一層好ましくは１以下、更に好ましくは０．８以下、特に好ましくは０．５以下、最も好ましくは０．４以下である。上記重量比（抗ウイルス剤の含有量／親水性化合物の含有量）が上記下限以上及び上記上限以下であると、樹脂材料及びそれを用いた樹脂成形品における抗ウイルス性がより一層良好になる。 In the resin material, 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. When 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. .
　上記樹脂材料１００重量％中、上記熱可塑性樹脂と上記抗ウイルス剤と上記親水性化合物との合計の含有量は、好ましくは５０重量％以上、より好ましくは７０重量％以上、更に好ましくは８０重量％以上、特に好ましくは９０重量％以上である。上記樹脂材料１００重量％中、上記熱可塑性樹脂と上記抗ウイルス剤と上記親水性化合物との合計の含有量は、１００重量％であってもよく、１００重量％以下であってもよく、１００重量％未満であってもよい。上記熱可塑性樹脂と上記抗ウイルス剤と上記親水性化合物との合計の含有量が上記下限以上であると、樹脂材料及びそれを用いた樹脂成形品における抗ウイルス性がより一層良好になる。 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. In 100% by weight of the resin material, 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. When 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.
　［樹脂成形品中の各成分の配合量］
　上記樹脂成形品１００重量％中、上記熱可塑性樹脂の含有量は、好ましくは５０重量％以上、より好ましくは６０重量％以上、更に好ましくは７０重量％以上、特に好ましくは８０重量％以上であり、好ましくは９９．８重量％以下、より好ましくは９７重量％以下、更に好ましくは９６重量％以下、特に好ましくは９５重量％以下である。上記熱可塑性樹脂の含有量が上記下限以上であると、樹脂成形品の成形性及び機械特性がより一層良好になる。上記熱可塑性樹脂の含有量が上記上限以下であると、抗ウイルス性がより一層良好になる。 [Amount of each component in resin molded product]
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. When 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. When the content of the thermoplastic resin is below the upper limit, the antiviral properties will be even better.
　上記樹脂成形品１００重量％中、上記抗ウイルス剤の含有量は、好ましくは０．１重量％以上、より好ましくは０．５重量％以上、更に好ましくは０．８重量％以上、特に好ましくは１重量％以上であり、好ましくは１０重量％以下、より好ましくは５重量％以下、更に好ましくは２．５重量％以下、特に好ましくは１．５重量％以下、最も好ましくは１重量％以下である。上記抗ウイルス剤の含有量が上記下限以上であると、樹脂成形品における抗ウイルス性がより一層良好になる。上記抗ウイルス剤の含有量が上記上限以下であると、成形性及び機械特性がより一層良好になる。 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. When 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. When the content of the above-mentioned antiviral agent is below the above-mentioned upper limit, moldability and mechanical properties become even better.
　上記樹脂成形品１００重量％中、上記親水性化合物の含有量は、好ましくは０．１重量％以上、より好ましくは０．５重量％以上、更に好ましくは１重量％以上、特に好ましくは２重量％以上、最も好ましくは５重量％以上であり、好ましくは３５重量％以下、より好ましくは２５重量％以下、更に好ましくは１５重量％以下、特に好ましくは１０重量％以下である。上記親水性化合物の含有量が上記下限以上であると、樹脂成形品における抗ウイルス性がより一層良好になる。上記親水性化合物の含有量が上記上限以下であると、成形性及び機械特性がより一層良好になる。 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. When 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. When the content of the hydrophilic compound is at most the above upper limit, moldability and mechanical properties become even better.
　上記樹脂成形品１００重量％中、上記抗ウイルス剤と上記親水性化合物との合計の含有量は、好ましくは０．２重量％以上、より好ましくは０．８重量％以上、更に好ましくは１．５重量％以上、特に好ましくは３重量％以上であり、好ましくは５０重量％以下、より好ましくは３０重量％以下、更に好ましくは２０重量％以下、特に好ましくは１１重量％以下である。上記抗ウイルス剤と上記親水性化合物との合計の含有量が上記下限以上であると、樹脂成形品における抗ウイルス性がより一層良好になる。上記抗ウイルス剤と上記親水性化合物との合計の含有量が上記上限以下であると、成形性及び機械特性がより一層良好になる。 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. When the total content of 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. When the total content of the antiviral agent and the hydrophilic compound is below the upper limit, moldability and mechanical properties will be even better.
　上記樹脂成形品において、上記抗ウイルス剤の含有量の上記親水性化合物の含有量に対する重量比を、重量比（抗ウイルス剤の含有量／親水性化合物の含有量）と記載する。上記重量比（抗ウイルス剤の含有量／親水性化合物の含有量）は、好ましくは０．１以上、より好ましくは０．１５以上、更に好ましくは０．２０以上、特に好ましくは０．２５以上であり、好ましくは１０以下、より好ましくは５以下、より一層好ましくは１．０以下、更に好ましくは０．８以下、特に好ましくは０．５以下、最も好ましくは０．４以下である。上記重量比（抗ウイルス剤の含有量／親水性化合物の含有量）が上記下限以上及び上記上限以下であると、樹脂成形品における抗ウイルス性がより一層良好になる。 In the resin molded article, 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. When 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.
　上記樹脂成形品１００重量％中、上記熱可塑性樹脂と上記抗ウイルス剤と上記親水性化合物との合計の含有量は、好ましくは５０重量％以上、より好ましくは７０重量％以上、更に好ましくは８０重量％以上、特に好ましくは９０重量％以上である。上記樹脂成形品１００重量％中、上記熱可塑性樹脂と上記抗ウイルス剤と上記親水性化合物との合計の含有量は、１００重量％であってもよく、１００重量％以下であってもよく、１００重量％未満であってもよい。上記熱可塑性樹脂と上記抗ウイルス剤と上記親水性化合物との合計の含有量が上記下限以上であると、樹脂成形品における抗ウイルス性がより一層良好になる。 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. In 100% by weight of the resin molded product, 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. When 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.
　［樹脂材料の他の詳細］
　上記樹脂材料は、成形用樹脂材料であってもよく、成形用樹脂材料とは異なる樹脂材料であってもよい。上記樹脂材料は、塗布用樹脂材料であってもよく、塗布用樹脂材料とは異なる樹脂材料であってもよい。上記樹脂材料は、コーティング材であってもよく、コーティング材とは異なる樹脂材料であってもよい。 [Other details of resin material]
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.
　上記樹脂材料の成形方法としては、プレス加工、押出加工、押出ラミ加工、及び射出成形等が挙げられる。上記樹脂材料は、射出成形により成形することが好ましい。 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.
　上記樹脂材料は、成形性にも優れているので、射出成形用材料であることが特に好ましい。 Since the resin material has excellent moldability, it is particularly preferable that the resin material is an injection molding material.
　上記樹脂材料は、成形性にも優れているので、樹脂ペレットであることが好ましい。樹脂ペレットを溶融し、成形することで、抗ウイルス性に優れた樹脂成形品を得ることができる。 Since 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.
　上記樹脂ペレットの形状としては、特に限定されず、球形、円柱形及び角柱形等が挙げられる。ペレット形状の安定性の観点から、円柱形が好ましい。上記樹脂ペレットの最大長さ方向の寸法は、好ましくは１ｍｍ以上、より好ましくは３ｍｍ以上であり、好ましくは１０ｍｍ以下、より好ましくは７ｍｍ以下である。上記樹脂ペレットのサイズ（最大長さ方向の寸法等）は、ノギスを用いて測定することができる。上記樹脂ペレット１００個をランダムに採取して、サイズを測定することが好ましい。 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.
　上記樹脂ペレットが例えば円柱形を有する場合は、上記樹脂ペレットは、以下のサイズを有することが好ましい。上記樹脂ペレットの直径は、好ましくは０．５ｍｍ以上、より好ましくは１ｍｍ以上であり、好ましくは５ｍｍ以下、より好ましくは３ｍｍ以下である。上記樹脂ペレットの長さは、好ましくは１ｍｍ以上、より好ましくは３ｍｍ以上であり、好ましくは１０ｍｍ以下、より好ましくは７ｍｍ以下である。 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.
　上記樹脂材料は、マスターバッチであることが好ましい。上記樹脂材料は、抗ウイルス性に優れるマスターバッチとして提供することもできる。上記樹脂材料（マスターバッチ）は、他の樹脂材料（本発明に係る樹脂材料とは異なる樹脂材料）と混合して用いることができる。上記マスターバッチは、樹脂ペレットであってもよい。上記他の樹脂材料は、樹脂ペレットであってもよい。上記樹脂材料（マスターバッチ）と上記他の樹脂材料とを混合して、混合樹脂材料を得た後、該混合樹脂材料を成形することで、抗ウイルス性に優れた成形品を得ることができる。 It is preferable that 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. By mixing the resin material (masterbatch) and the other resin materials to obtain a mixed resin material, and then molding the mixed resin material, a molded product with excellent antiviral properties can be obtained. .
　上記樹脂材料の組成と、上記他の樹脂材料の組成とが異なることが好ましい。上記樹脂材料中の熱可塑性樹脂と、上記他の樹脂材料中の熱可塑性樹脂とは、同一であってもよく、異なっていてもよい。上記他の樹脂材料は、本発明に係る樹脂材料に含まれる熱可塑性樹脂を含んでいなくてもよく、含んでいてもよい。上記他の樹脂材料は、ポリオレフィン樹脂、アクリロニトリル・ブタジエン・スチレン樹脂又はポリ塩化ビニル樹脂を含むことが好ましく、ポリオレフィン樹脂を含むことがより好ましい。上記他の樹脂材料は、本発明に係る樹脂材料に含まれる抗ウイルス剤を含んでいなくてもよく、含んでいてもよい。上記他の樹脂材料は、抗ウイルス剤を含んでいなくてもよく、含んでいてもよい。上記他の樹脂材料は、本発明に係る樹脂材料に含まれる親水性化合物を含んでいなくてもよく、含んでいてもよい。上記他の樹脂材料は、抗ウイルス剤とは異なりかつ親水性基を有する化合物を含んでいなくてもよく、含んでいてもよい。 It is preferable that 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.
　上記樹脂材料（マスターバッチ）と他の樹脂材料とを混合して混合樹脂材料を得る場合に、以下の配合比を満足することが好ましい。上記混合樹脂材料１００重量％中、上記樹脂材料（マスターバッチ）の含有量は、好ましくは０．１重量％以上、より好ましくは１重量％以上、更に好ましくは５重量％以上、特に好ましくは１０重量％以上であり、好ましくは９９．９重量％以下、より好ましくは９９重量％以下、更に好ましくは５０重量％以下、特に好ましくは４０重量％以下である。 When mixing the resin material (masterbatch) and other resin materials to obtain a mixed resin material, it is preferable that the following blending ratio be satisfied. 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.
　［樹脂成形品の製造方法］
　本発明に係る樹脂成形品の製造方法は、上記樹脂材料を成形し、樹脂成形品を得る成形工程を備える。成形性に優れるので、上記樹脂材料を射出成形し、樹脂成形品を得ることが好ましい。 [Method for manufacturing resin molded products]
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.
　本発明に係る樹脂成形品の製造方法は、上記抗ウイルス性樹脂材料と他の樹脂材料とを混合し、上記抗ウイルス性樹脂材料と上記他の樹脂材料とを含む混合樹脂材料を得る混合工程を備えていてもよい。この場合に、上記成形工程において、上記混合樹脂材料を成形する。成形性に優れるので、上記成形工程において、上記混合樹脂材料を射出成形することが好ましい。 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. In this case, in the molding step, 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.
　［樹脂成形品の他の詳細］
　本発明に係る樹脂成形品の一例を、図１を用いて説明する。図１は、本発明の一実施形態に係る樹脂成形品を模式的に示す断面図である。 [Other details of resin molded product]
An example of a resin molded product according to the present invention will be explained using FIG. 1. FIG. 1 is a cross-sectional view schematically showing a resin molded product according to an embodiment of the present invention.
　図１に示す樹脂成形品１０は、抗ウイルス性を有する。樹脂成形品１０は、樹脂部１と、抗ウイルス剤２とを備える。樹脂部１は、上記熱可塑性樹脂を含む。樹脂部１は、上記親水性化合物を含むことが好ましい。樹脂成形品１０では、抗ウイルス剤２は、樹脂部１の内部に配置されている。抗ウイルス剤２は、樹脂部１の外表面から露出していてもよい。樹脂成形品１０の表面の２３℃の水に対する接触角は、上記上限以下であることが好ましい。 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. In the resin molded product 10, 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.
　樹脂成形品１０のように、上記樹脂成形品は、樹脂部と抗ウイルス剤とを備えることが好ましい。 Like the resin molded product 10, the resin molded product preferably includes a resin part and an antiviral agent.
　上記樹脂成形品を得るための成形方法としては、プレス加工、押出加工、押出ラミ加工、及び射出成形等が挙げられる。上記樹脂成形品は、射出成形品であることが好ましい。 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.
　上記樹脂成形品は、延伸加工品であってもよく、延伸加工されて用いられてもよい。また、上記樹脂成形品は、延伸加工された二次成形品であってもよい。 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.
　上記射出成形品の形状は、特に限定されない。上記射出成形品は、シート状であってもよく、シート状以外の形状であってもよい。なお、本明細書において、フィルムはシートに含まれる。 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.
　上記樹脂成形品の最大長さ方向の寸法は、好ましくは１μｍ以上、より好ましくは３μｍ以上、更に好ましくは５μｍ以上、特に好ましくは１０μｍ以上である。上記樹脂成形品の最大長さ方向の寸法は、１００μｍ以上であってもよく、１ｍｍ以上であってもよく、１ｃｍ以上であってもよく、１０ｃｍ以上であってもよく、１ｍ以上であってもよい。上記樹脂成形品の最大長さ方向の寸法は、１００ｍ以下であってもよく、１０ｍ以下であってもよく、２ｍ以下であってもよく、１．５ｍ以下であってもよい。上記樹脂成形品の平均厚みは、好ましくは０．１μｍ以上、より好ましくは３μｍ以上、更に好ましくは５μｍ以上、特に好ましくは１０μｍ以上である。上記樹脂成形品の平均厚みは、１００μｍ以上であってもよく、１ｍｍ以上であってもよい。上記樹脂成形品の平均厚みは、１ｍ以下であってもよく、１０ｃｍ以下であってもよく、１ｃｍ以下であってもよく、８ｍｍ以下であってもよい。 The maximum length dimension of the resin molded product is preferably 1 μm or more, more preferably 3 μm or more, even more preferably 5 μm or more, and particularly preferably 10 μm or more. The maximum length dimension of the resin molded product may be 100 μm 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 μm or more, more preferably 3 μm or more, still more preferably 5 μm or more, and particularly preferably 10 μm or more. The average thickness of the resin molded product may be 100 μm 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.
　上記樹脂成形品は、例えば、鉄道車両・航空機・船舶・自動車等の輸送機の内外装材、トイレ及び食品調理エリア；建物の内外装材、トイレ及び食品調理エリア；駅構内の券売機；商業施設の情報端末；病院の医療機器等に好適に用いられる。 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.
　以下、実施例を挙げて本発明を具体的に説明する。本発明は以下の実施例に限定されない。 Hereinafter, the present invention will be specifically explained with reference to Examples. The invention is not limited to the following examples.
　以下の材料を用意した。 The following materials were prepared.
　（熱可塑性樹脂）
　ポリプロピレン（表中「ＰＰ」、日本ポリプロ社製「ノバテックＰＰ　ＢＣ６Ｃ」）
　ポリエチレン（表中「ＰＥ」、東ソー社製「二ポロンハード１０００」）
　ＡＢＳ樹脂（表中「ＡＢＳ」、デンカ社製「デンカＡＢＳ　ＱＦ」） (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)
　（抗ウイルス剤）
　スルホン酸系抗ウイルス剤（表中「スルホン酸系」、有機粒子（ポリスチレン樹脂粒子）にスルホン酸系界面活性剤が担持された抗ウイルス剤、平均粒子径５．０μｍ）
　銀系抗ウイルス剤（表中「銀系」、銀系無機化合物粒子、平均粒子径２．５μｍ）
　カルボン酸系抗ウイルス剤１（表中「カルボン酸系１」、イソフタル酸の粒子、平均粒子径７．０μｍ）
　カルボン酸系抗ウイルス剤２（表中「カルボン酸系２」、テレフタル酸の粒子、平均粒子径７．０μｍ）
　カルボン酸系抗ウイルス剤３（表中「カルボン酸系３」、１，３－ジアミノプロパン四酢酸の粒子、平均粒子径７．０μｍ） (antiviral agent)
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 μm)
Silver-based antiviral agent ("Silver-based" in the table, silver-based inorganic compound particles, average particle size 2.5 μm)
Carboxylic acid antiviral agent 1 ("Carboxylic acid 1" in the table, isophthalic acid particles, average particle size 7.0 μm)
Carboxylic acid antiviral agent 2 ("Carboxylic acid 2" in the table, terephthalic acid particles, average particle size 7.0 μm)
Carboxylic acid antiviral agent 3 ("Carboxylic acid 3" in the table, 1,3-diaminopropanetetraacetic acid particles, average particle size 7.0 μm)
　（親水性化合物）
　ポリビニルピロリドン（表中「ＰＶＰ」、富士フイルム和光純薬社製「Ｋ３０」）
　ポリエチレングリコール系化合物１（表中「ＰＥＧ１」、ジステアリン酸ポリエチレングリコール）
　ポリエチレングリコール系化合物２（表中「ＰＥＧ２」、モノステアリン酸ポリエチレングリコール）
　ポリエチレングリコール系化合物３（表中「ＰＥＧ３」、ポリエチレングリコール） (hydrophilic compound)
Polyvinylpyrrolidone ("PVP" 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)
　（実施例１～１１及び比較例１～３）
　下記の表１～４に示す成分を含む他の樹脂ペレット（ベース樹脂材料）を用意した。また、下記の表１～４に示す成分を下記の表１～４に示す配合量で配合して、樹脂ペレット（マスターバッチ／樹脂材料）を得た。 (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.
　得られた樹脂ペレット（マスターバッチ）と得られた他の樹脂ペレット（ベース樹脂材料）とをラボプラストミル（東洋精機社製「ＫＦ－１００」）を用いて１８０℃で３分間混錬し、プレス成形して、シート状の樹脂成形品（平均厚み１ｍｍ）を得た。なお、樹脂ペレット（マスターバッチ）と他の樹脂ペレット（ベース樹脂材料）とは、樹脂成形品における各成分の配合量が下記の表１～４に示す配合量となる比で用いた。 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.
　（評価）
　（１）樹脂成形品の表面の接触角
　得られた樹脂成形品の表面の２３℃の水に対する接触角を上述した方法で測定した。なお、接触角計として、協和界面科学社製「固液界面解析システム　ＤｒｏｐＭａｓｔｅｒ　ＤＭｓ－４０１」を用いた。 (evaluation)
(1) Contact angle of the surface of the resin molded article The contact angle of the surface of the obtained resin molded article with respect to water at 23° C. was measured by the method described above. As a contact angle meter, "Solid-liquid interface analysis system DropMaster DMs-401" manufactured by Kyowa Interface Science Co., Ltd. was used.
　（２）抗ウイルス性
　１０ｃｍＤｉｓｈに培養したＭＤＣＫ細胞に対して、インフルエンザウイルスを接種し、３７℃で１時間培養した。培養後、未感作ウイルスを含む培養上清を除去した。上清を除去した１０ｃｍＤｉｓｈに新たにＤＭＥＭ培地を加え、３７℃で４日間培養した。培養後、培養上清を採取し、８００ｒｐｍで５分間遠心分離した。遠心分離後の上清をウイルス液とした。 (2) Antiviral properties 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.
　得られた樹脂成形品を縦５ｃｍ×横５ｃｍに切り出して、試験サンプルとした。この試験サンプルをシャーレ内に配置し、試験サンプルの表面に、滅菌水で１０倍希釈したウイルス液を０．４ｍｌ滴下して、カバーフィルムを被せ、シャーレに蓋をし、２５℃で２４時間静置した。次いで、ＳＣＬＤＰ１０ｍｌを用いて試験サンプルからウイルス液を回収し、細胞維持培地で１０倍段階希釈した。希釈したウイルス液を、６ｗｅｌｌプレートに培養したＭＤＣＫ細胞に接種し、ＩＳＯ２１７０２に準拠して、プラーク数を数え、抗ウイルス活性値を求めた。試験は２枚の６ｗｅｌｌプレートについて行い、抗ウイルス活性値の平均値を算出した。抗ウイルス性を下記の基準で判定した。 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℃ 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.
　［抗ウイルス性の判定基準］
　○：抗ウイルス活性値が３．０以上
　△：抗ウイルス活性値が２．０以上３．０未満
　×：抗ウイルス活性値が２．０未満 [Criteria for judging antiviral properties]
○: 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
　（３）耐水性
　得られた樹脂成形品を縦５ｃｍ×横５ｃｍに切り出して、ＳＩＡＡ耐水試験区分１に準拠して、樹脂成形品を、２３℃の水に１８時間浸漬した。浸漬後の樹脂成形品を、試験サンプルとした。この試験サンプルを用いたこと以外は、上記（２）抗ウイルス性の評価と同様にして、抗ウイルス活性値の平均値を算出した。 (3) Water Resistance The obtained resin molded product was cut out into a size of 5 cm in length x 5 cm in width, and the resin molded product was immersed in water at 23° C. for 18 hours in accordance with SIAA Water Resistance Test Category 1. The resin molded product after immersion was used as a test sample. The average value of the antiviral activity values was calculated in the same manner as in (2) Antiviral evaluation above, except that this test sample was used.
　（４）耐溶剤性
　得られた樹脂成形品を縦５ｃｍ×横５ｃｍに切り出して、樹脂成形品の表面を、エタノールが含浸された拭き取り部材で３６５０回拭き取った。拭き取り後の樹脂成形品を、試験サンプルとした。この試験サンプルを用いたこと以外は、上記（２）抗ウイルス性の評価と同様にして、抗ウイルス活性値の平均値を算出した。 (4) Solvent Resistance The obtained resin molded product was cut out to a size of 5 cm in length x 5 cm in width, and the surface of the resin molded product was wiped 3650 times with a wiping member impregnated with ethanol. The resin molded product after wiping was used as a test sample. The average value of the antiviral activity values was calculated in the same manner as in (2) Antiviral evaluation above, except that this test sample was used.
　（５）耐アルカリ性
　得られた樹脂成形品を縦５ｃｍ×横５ｃｍに切り出して、樹脂成形品の表面を、次亜塩素酸ナトリウム液が含浸された拭き取り部材で３６５０回拭き取った。拭き取り後の樹脂成形品を、試験サンプルとした。この試験サンプルを用いたこと以外は、上記（２）抗ウイルス性の評価と同様にして、抗ウイルス活性値の平均値を算出した。 (5) Alkali resistance The obtained resin molded product was cut out into a piece measuring 5 cm in length x 5 cm in width, and the surface of the resin molded product was wiped 3650 times with a wiping member impregnated with a sodium hypochlorite solution. The resin molded product after wiping was used as a test sample. The average value of the antiviral activity values was calculated in the same manner as in (2) Antiviral evaluation above, except that this test sample was used.
　樹脂成形品の構成及び評価結果を下記の表１～４に示す。なお、表中の「－」は配合していないことを示す。 The composition and evaluation results of the resin molded products are shown in Tables 1 to 4 below. In addition, "-" in the table indicates that it is not blended.
Figure JPOXMLDOC01-appb-T000001
Figure JPOXMLDOC01-appb-T000001
Figure JPOXMLDOC01-appb-T000002
Figure JPOXMLDOC01-appb-T000002
Figure JPOXMLDOC01-appb-T000003
Figure JPOXMLDOC01-appb-T000003
Figure JPOXMLDOC01-appb-T000004
Figure JPOXMLDOC01-appb-T000004
　上記（３）耐水性、上記（４）耐溶剤性、及び上記（５）耐アルカリ性の評価結果に関しては、実施例１～１１の樹脂成形品では、拭き取り後に、高い抗ウイルス活性値が維持されており、拭き取り後も抗ウイルス性が高かった。 Regarding the evaluation results of the above (3) water resistance, the above (4) solvent resistance, and the above (5) alkali resistance, the resin molded products of Examples 1 to 11 maintained high antiviral activity values after wiping. The antiviral properties remained high even after wiping.
　１…樹脂部
　２…抗ウイルス剤
　１０…樹脂成形品（抗ウイルス性樹脂成形品） 1...Resin part 2...Antiviral agent 10...Resin molded product (antiviral resin molded product)

Claims (15)

  1. 　熱可塑性樹脂と、抗ウイルス剤と、抗ウイルス剤とは異なりかつ親水性基を有する化合物とを含有し、
    　前記熱可塑性樹脂が、ポリオレフィン樹脂、アクリロニトリル・ブタジエン・スチレン樹脂又はポリ塩化ビニル樹脂を含み、
    　前記抗ウイルス剤が、スルホン酸系抗ウイルス剤、銀系抗ウイルス剤、又はカルボン酸系抗ウイルス剤を含む、抗ウイルス性樹脂材料。     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,
    An antiviral resin material, wherein the antiviral agent includes a sulfonic acid antiviral agent, a silver antiviral agent, or a carboxylic acid antiviral agent.
  2. 　前記抗ウイルス性樹脂材料１００重量％中、前記抗ウイルス剤とは異なりかつ親水性基を有する化合物の含有量が、１重量％以上５０重量％以下である、請求項１に記載の抗ウイルス性樹脂材料。 The antiviral material according to claim 1, wherein the content of a compound different from the antiviral agent and having a hydrophilic group in 100% by weight of the antiviral resin material is 1% by weight or more and 50% by weight or less. resin material.
  3. 　前記抗ウイルス性樹脂材料１００重量％中、前記抗ウイルス剤の含有量が、０．５重量％以上１０重量％以下である、請求項１又は２に記載の抗ウイルス性樹脂材料。 The antiviral resin material according to claim 1 or 2, wherein the content of the antiviral agent in 100% by weight of the antiviral resin material is 0.5% by weight or more and 10% by weight or less.
  4. 　前記熱可塑性樹脂が、前記ポリオレフィン樹脂を含む、請求項１～３のいずれか１項に記載の抗ウイルス性樹脂材料。 The antiviral resin material according to any one of claims 1 to 3, wherein the thermoplastic resin includes the polyolefin resin.
  5. 　前記抗ウイルス剤が、前記スルホン酸系抗ウイルス剤を含む、請求項１～４のいずれか１項に記載の抗ウイルス性樹脂材料。 The antiviral resin material according to any one of claims 1 to 4, wherein the antiviral agent includes the sulfonic acid antiviral agent.
  6. 　前記抗ウイルス剤とは異なりかつ親水性基を有する化合物が、ポリエチレングリコール系化合物、セルロース、又はポリビニルピロリドンを含む、請求項１～５のいずれか１項に記載の抗ウイルス性樹脂材料。 The antiviral resin material according to any one of claims 1 to 5, wherein the compound different from the antiviral agent and having a hydrophilic group contains a polyethylene glycol compound, cellulose, or polyvinylpyrrolidone.
  7. 　樹脂ペレットである、請求項１～６のいずれか１項に記載の抗ウイルス性樹脂材料。 The antiviral resin material according to any one of claims 1 to 6, which is a resin pellet.
  8. 　マスターバッチである、請求項１～７のいずれか１項に記載の抗ウイルス性樹脂材料。 The antiviral resin material according to any one of claims 1 to 7, which is a masterbatch.
  9. 　射出成形用材料である、請求項１～８のいずれか１項に記載の抗ウイルス性樹脂材料。 The antiviral resin material according to any one of claims 1 to 8, which is an injection molding material.
  10. 　請求項１～９のいずれか１項に記載の抗ウイルス性樹脂材料を成形し、抗ウイルス性樹脂成形品を得る成形工程を備える、抗ウイルス性樹脂成形品の製造方法。 A method for producing an antiviral resin molded article, comprising a molding step of molding the antiviral resin material according to any one of claims 1 to 9 to obtain an antiviral resin molded article.
  11. 　前記抗ウイルス性樹脂材料と他の樹脂材料とを混合し、前記抗ウイルス性樹脂材料と前記他の樹脂材料とを含む混合樹脂材料を得る混合工程を備え、
    　前記成形工程において、前記混合樹脂材料を成形する、請求項１０に記載の抗ウイルス性樹脂成形品の製造方法。     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,
    The method for producing an antiviral resin molded article according to claim 10, wherein in the molding step, the mixed resin material is molded.
  12. 　熱可塑性樹脂と、抗ウイルス剤と、抗ウイルス剤とは異なりかつ親水性基を有する化合物とを含有し、
    　前記熱可塑性樹脂が、ポリオレフィン樹脂、アクリロニトリル・ブタジエン・スチレン樹脂又はポリ塩化ビニル樹脂を含み、
    　前記抗ウイルス剤が、スルホン酸系抗ウイルス剤、銀系抗ウイルス剤、又はカルボン酸系抗ウイルス剤を含む、抗ウイルス性樹脂成形品。     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,
    An antiviral resin molded article, wherein the antiviral agent includes a sulfonic acid antiviral agent, a silver antiviral agent, or a carboxylic acid antiviral agent.
  13. 　熱可塑性樹脂と、抗ウイルス剤とを含有し、
    　前記熱可塑性樹脂が、ポリオレフィン樹脂、アクリロニトリル・ブタジエン・スチレン樹脂又はポリ塩化ビニル樹脂を含み、
    　前記抗ウイルス剤が、スルホン酸系抗ウイルス剤、銀系抗ウイルス剤、又はカルボン酸系抗ウイルス剤を含み、
    　抗ウイルス性樹脂成形品の表面の２３℃の水に対する接触角が、８９°以下である、抗ウイルス性樹脂成形品。     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 antiviral agent, a silver antiviral agent, or a carboxylic acid antiviral agent,
    An antiviral resin molded product, wherein the contact angle of the surface of the antiviral resin molded product to water at 23°C is 89° or less.
  14. 　前記抗ウイルス性樹脂成形品１００重量％中、前記抗ウイルス剤とは異なりかつ親水性基を有する化合物の含有量が、１重量％以上２５重量％以下である、請求項１２に記載の抗ウイルス性樹脂成形品。 The antiviral according to claim 12, wherein 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% by weight or less. Polymer resin molded product.
  15. 　前記抗ウイルス性樹脂成形品１００重量％中、前記抗ウイルス剤の含有量が、０．５重量％以上５重量％以下である、請求項１２～１４のいずれか１項に記載の抗ウイルス性樹脂成形品。 The antiviral product according to any one of claims 12 to 14, wherein the content of the antiviral agent in 100% by weight of the antiviral resin molded product is 0.5% by weight or more and 5% by weight or less. Resin molded product.
PCT/JP2023/027205 2022-08-01 2023-07-25 Antiviral resin material, method for producing antiviral resin molded article, and antiviral resin molded article WO2024029404A1 (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011020993A (en) * 2009-06-16 2011-02-03 Sekisui Chem Co Ltd Rna virus infection-inhibiting molding composition, and rna virus infection-inhibiting molded article
WO2019045110A1 (en) * 2017-09-04 2019-03-07 株式会社Ｎｂｃメッシュテック Antibacterial/antiviral composition
JP2022058104A (en) * 2020-09-30 2022-04-11 大日本印刷株式会社 Antibacterial or antiviral sheet, antibacterial or antiviral package, antibacterial or antiviral resin fiber, antibacterial or antiviral non-woven fabric, and antibacterial or antiviral filter

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011020993A (en) * 2009-06-16 2011-02-03 Sekisui Chem Co Ltd Rna virus infection-inhibiting molding composition, and rna virus infection-inhibiting molded article
WO2019045110A1 (en) * 2017-09-04 2019-03-07 株式会社Ｎｂｃメッシュテック Antibacterial/antiviral composition
JP2022058104A (en) * 2020-09-30 2022-04-11 大日本印刷株式会社 Antibacterial or antiviral sheet, antibacterial or antiviral package, antibacterial or antiviral resin fiber, antibacterial or antiviral non-woven fabric, and antibacterial or antiviral filter

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