WO2017145976A1 - Composition de résine antibactérienne et antivirale à base de chlorure de vinyle - Google Patents

Composition de résine antibactérienne et antivirale à base de chlorure de vinyle Download PDF

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Publication number
WO2017145976A1
WO2017145976A1 PCT/JP2017/006082 JP2017006082W WO2017145976A1 WO 2017145976 A1 WO2017145976 A1 WO 2017145976A1 JP 2017006082 W JP2017006082 W JP 2017006082W WO 2017145976 A1 WO2017145976 A1 WO 2017145976A1
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Prior art keywords
vinyl chloride
resin composition
copper
chloride resin
mass
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PCT/JP2017/006082
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English (en)
Japanese (ja)
Inventor
嵩人 廣瀬
俊和 金田
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リケンテクノス株式会社
三井化学産資株式会社
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Priority to JP2018501663A priority Critical patent/JP6862412B2/ja
Publication of WO2017145976A1 publication Critical patent/WO2017145976A1/fr

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/10—Metal compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/10—Esters; Ether-esters
    • C08K5/12—Esters; Ether-esters of cyclic polycarboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08L27/06—Homopolymers or copolymers of vinyl chloride

Definitions

  • the present invention relates to a vinyl chloride resin composition having antibacterial and antiviral properties.
  • a vinyl chloride resin composition in which a plasticizer is added to a vinyl chloride resin can be adjusted in a wide range of flexibility depending on the amount of the plasticizer, and has a moldability (extrusion moldability, injection moldability, etc.) Adhesiveness, flame retardancy, and heat resistance are also good, and since it is inexpensive, it is widely used as a material for handrails, drainage hoses, boots, gloves, and the like. These uses are required to have antibacterial and antiviral properties from the viewpoint of preventing nosocomial infections. Therefore, the vinyl chloride resin composition which is these materials is also required to have excellent antibacterial and antiviral properties.
  • the copper antibacterial agent has a problem that it is easily discolored in contact with moisture, acid, salt, and the like, and the appearance quality is lowered. Specifically, if moisture adheres to the surface of the copper-based antibacterial agent, there is a problem that patina is generated on the surface and the antibacterial performance deteriorates, and the color tone of the appearance changes greatly, so the usage environment is significantly restricted. There was a problem that it could not be used depending on the environment. In particular, vinyl chloride resin compositions are easily affected by various additives, and are affected by stabilizers in the process of melt mixing and molding, and the antibacterial properties are deactivated in a short time. Thus, no vinyl chloride resin composition has been found that exhibits a stable and sustained antibacterial property.
  • Antibacterial agents for imparting antibacterial properties to vinyl chloride resin compositions include those in which zeolite is substituted with silver ions (Patent Document 1), those composed of silver colloidal particles (Patent Document 2), and silver-containing materials. Proposals have been made of a compound containing a phosphoric acid-containing compound (Patent Document 3), an alloy powder of copper and tin (Patent Document 4), an organic antibacterial agent (Patent Document 5), and the like.
  • an object of the present invention is to provide a vinyl chloride resin composition that stably exhibits excellent antibacterial and antiviral properties despite containing a heat stabilizer.
  • the present invention (A) Vinyl chloride resin 100 parts by mass; A vinyl chloride resin composition comprising: (B) 1 to 150 parts by mass of a metal antibacterial agent; and (C) 0.1 to 10 parts by mass of an alkaline earth metal or a composite compound of an alkali metal and zinc.
  • the (B) metal antibacterial agent is copper-tin alloy particles, The copper-tin alloy particles in the copper-tin alloy particles have an atomic ratio of 50 to 99 at% copper and 50 to 1 at% tin, where the sum of copper and tin is 100 at%. This is a vinyl chloride resin composition.
  • the second invention is characterized in that the component (C) the alkaline earth metal or the composite compound of alkali metal and zinc is at least one selected from the group consisting of a barium / zinc composite compound and a calcium / zinc composite compound. It is a vinyl chloride-type resin composition as described in 1st invention containing a compound.
  • the third invention further includes (D) at least one plasticizer selected from the group consisting of a phthalate ester plasticizer and an epoxy plasticizer, and 1 component per 100 parts by mass of the component (A).
  • the vinyl chloride resin composition according to the first or second invention comprising ⁇ 120 parts by mass.
  • the fourth invention is an article comprising the vinyl chloride resin composition according to any one of the first to third inventions.
  • the vinyl chloride resin composition according to the present invention has excellent antibacterial and antiviral properties. Moreover, mechanical strength and moldability are also good, and it can be easily colored to a desired color. Therefore, articles that require antibacterial and antiviral properties, such as shoes used in food processing factories, pharmaceutical production factories, medical instrument production factories, and hospitals, shoes such as boots and sandals; yoga mats, etc. Mats; industrial hoses such as industrial blade hoses, food hoses, and industrial suction hoses; care products such as bedsore prevention products and hair washing products; hygiene products such as brushes and disposable gloves; used in medical machines, etc.
  • Medical equipment members such as electric wire covering materials; household electrical appliance members such as refrigerator packings; building materials such as handrails, door knobs, and grips; water supplies such as pools, floats, beach balls, boats, bath covers, floats; Indoor play equipment such as vehicles and slides; other materials, health goods, toys, furniture, and stationery supplies It is possible.
  • the term “resin” is used as a term including a resin mixture containing two or more resins and a resin composition containing components other than the resin.
  • the term “above” relating to a numerical range is used in the sense of a certain numerical value or a certain numerical value. For example, 20% or more means 20% or more than 20%.
  • the term “below” relating to a numerical range is used to mean a certain numerical value or less than a certain numerical value. For example, 20% or less means 20% or less than 20%.
  • the symbol “ ⁇ ” in a numerical range is used to mean a certain numerical value, a certain numerical value and less than a certain other numerical value, or another certain numerical value.
  • 10-90% means 10%, more than 10% and less than 90%, or 90%.
  • antibacterial not only means preventing the growth of bacteria such as bacteria and fungi but also includes the meaning of killing or reducing the bacteria. These bacteria are not particularly limited. Examples include bacteria such as MRSA, Bacillus cereus, Neisseria pneumoniae, and mold. The term “antiviral” means inactivating a part of the virus, specifically, suppressing the virus infectivity.
  • the virus is not particularly limited, and rhinovirus, poliovirus, rotavirus, foot-and-mouth disease virus, norovirus, enterovirus, hepatovirus, astrovirus, sapovirus, hepatitis E virus, type A, type B, type C influenza virus, Parainfluenza virus, mumps virus, measles virus, human metapneumovirus, RS virus, Nipah virus, Hendra virus, yellow fever virus, dengue virus, Japanese encephalitis virus, West Nile virus, type B, hepatitis C virus, eastern part And Western equine encephalitis virus, Onyung Nyon virus, rubella virus, Lassa virus, Junin virus, Machupo virus, Guanarito virus, Sabia virus, Crimea congo hemorrhagic fever virus, Fever, hantavirus, sinombre virus, rabies virus, ebola virus, marburg virus, bat lyssa virus, human T cell leukemia virus, human immunodefici
  • the vinyl chloride resin composition according to the present invention includes (A) a vinyl chloride resin, (B) a metal antibacterial agent, and (C) an alkaline earth metal or a composite compound of an alkali metal and zinc.
  • the vinyl chloride resin composition of the present invention is preferably (A) a vinyl chloride resin, (B) a metal antibacterial agent, (C) an alkaline earth metal or a composite compound of an alkali metal and zinc, and (D) Contains plasticizer.
  • each component which comprises the vinyl chloride-type resin composition by this invention is demonstrated.
  • the vinyl chloride resin used as component (A) of the present invention refers to all polymers having a group represented by —CH 2 —CHCl—.
  • Examples of the vinyl chloride resin used as the component (A) of the present invention include vinyl chloride homopolymers; vinyl chloride / vinyl acetate copolymers, vinyl chloride / (meth) acrylic acid copolymers, vinyl chloride / ( (Meth) methyl acrylate copolymer, vinyl chloride / (meth) ethyl acrylate copolymer, vinyl chloride / maleic acid ester copolymer, vinyl chloride / ethylene copolymer, vinyl chloride / propylene copolymer, vinyl chloride ⁇ Styrene copolymer, vinyl chloride / isobutylene copolymer, vinyl chloride / vinylidene chloride copolymer, vinyl chloride / styrene / maleic anhydride terpolymer,
  • a chlorinated polyolefin similar in structure to a vinyl chloride resin such as chlorinated polyethylene may be used.
  • the above component (A) is preferably a vinyl chloride homopolymer from the viewpoints of moldability, antibacterial properties and antiviral properties.
  • the average degree of polymerization calculated based on the specific viscosity from the specific viscosity measured in accordance with Appendix 4.1 specific viscosity of JIS K6720-2: 1999 of the above component (A) is a viewpoint of improving the mechanical strength. Therefore, it may be preferably 800 or more, more preferably 1000 or more. From the viewpoint of improving the moldability, it may be preferably 3000 or less, more preferably 2600 or less. From the viewpoint of the balance between mechanical strength and molding processability, it is preferably 800 to 3000, more preferably 1000 to 2600.
  • component (A) one or a mixture of two or more of these vinyl chloride resins can be used.
  • the component (B) is a metal antibacterial agent.
  • copper-tin alloy particles are used as the component (B).
  • the content ratio of copper and tin in the copper-tin alloy particles is such that a sufficient amount of copper ions is generated and good antibacterial and antiviral properties are expressed.
  • the copper percentage is 50 to 99 at% and the tin percentage is 50 to 1 at%, preferably 60 to 95 at% for copper and 40 to 5 at% for tin.
  • the copper tin-based alloy particles may further contain an element other than copper tin under the condition that the effects of the present invention are not impaired.
  • an element other than copper tin under the condition that the effects of the present invention are not impaired.
  • the other elements include aluminum, germanium, beryllium, nickel, and silicon.
  • other metals having antibacterial properties such as zinc, silver, and nickel may be contained as long as the corrosion resistance is not impaired.
  • oxygen atoms may be contained due to the fact that some of the copper-tin alloy particles are oxidized.
  • the copper-tin alloy particles may contain non-metallic elements such as oxygen, carbon, nitrogen, and chlorine.
  • the sum of the copper content and the tin content in the copper-tin alloy particles is an atomic ratio, and the total sum of all elements is 100 at%, usually 50 at% or more, preferably 90 at% or more, more preferably 95 at% or more, More preferably, it may be 99 at% or more and 100 at% or less.
  • the copper-tin alloy-based particles consist essentially of copper and tin, that is, the copper content in the copper-tin-based alloy particles
  • the sum of the tin contents is most preferably 100 at%, where the sum of all elements is 100 at%.
  • the component (B) is copper-tin alloy particles, and the particle size distribution may be such that the content of fine particles having a particle size of 45 ⁇ m or less is usually 80% by volume or more.
  • the particle size distribution was measured by a laser diffraction / scattering method in accordance with JIS R1629-1997.
  • the particle size distribution of the component (B) is such that the content of fine particles having a particle size of 45 ⁇ m or less is usually 80% by volume or more, preferably 90% by volume or more, good antibacterial properties, Viral properties are easily expressed.
  • the content of fine particles having a particle diameter of 45 ⁇ m or less is usually 99% by volume or less, preferably 95% by volume or less, the production cost can be easily reduced.
  • the component (B) is copper-tin alloy particles, and the apparent density thereof may be usually 0.5 to 3 g / cm 3 .
  • the apparent density refers to a density measured according to JIS Z 2504: 2012.
  • the apparent density of the component (B) is usually 3 g / cm 3 or less, preferably 2.8 g / cm 3 or less, from the viewpoint of antibacterial properties and antiviral properties.
  • the apparent density of the component (B) is usually 0.5 g / cm 3 or more, preferably 1 g / cm 3 or more, from the viewpoint of discoloration resistance.
  • the compounding amount of the component (B) is usually 1 part by mass or more, preferably 5 parts by mass or more with respect to 100 parts by mass of the component (A) from the viewpoint of antibacterial and antiviral properties. From the viewpoint of antibacterial and antiviral properties, the larger the amount of the component (B), the better. On the other hand, from the viewpoints of mechanical strength, resin composition productivity, and molding processability, it may usually be 150 parts by mass or less, preferably 90 parts by mass or less.
  • the component (C) is an alkaline earth metal or a composite compound of an alkali metal and zinc.
  • the component (C) functions to impart thermal stability and processing stability to the vinyl chloride resin composition of the present invention without impairing its antibacterial and antiviral properties.
  • component (C) examples include alkaline earth metal / zinc composite compounds, alkali metal / zinc composite compounds, alkaline earth metal / alkali metal / zinc composite compounds, and mixtures of one or more thereof. Can do.
  • the component (C) preferably contains at least one compound selected from the group consisting of a barium / zinc composite compound and a calcium / zinc composite compound.
  • the component (C) is more preferably at least one compound selected from the group consisting of a barium / zinc composite compound and a calcium / zinc composite compound.
  • Examples of the barium / zinc composite compound include barium, zinc, and an organic acid barium / zinc composite salt containing an organic acid.
  • Examples of the calcium / zinc composite compound include calcium, zinc, and an organic acid calcium / zinc composite salt containing an organic acid.
  • organic acid examples include fatty acids such as stearic acid, palmitic acid, lauric acid, linoleic acid, ricinoleic acid, octylic acid, 2-ethylhexylic acid, and oleic acid; phosphites; and benzoic acid Aromatic carboxylic acids and the like can be mentioned. One or more of these can be used as the organic acid.
  • the component (C) may be made of “made of vinyl chloride” It is preferable to use what is described / registered in “Positive list ⁇ ⁇ ⁇ ⁇ : PL standard regarding food containers and packaging” in an amount within the range of the blending amount restriction described in the list. One or more of these can be used as the component (C).
  • a vinyl chloride resin composition having a good antibacterial property has not been obtained in the past is presumed to be because the heat stabilizer and the antibacterial agent caused an antagonistic action. It is specific that the component (C) and the component (B) are not antagonizing, and that a vinyl chloride resin composition having not only antibacterial properties but also good antiviral properties can be obtained. That is amazing. Stabilizers are essential for maintaining the thermal stability of vinyl chloride resin, and act to suppress the generation of corrosive gases such as hydrochloric acid gas due to thermal decomposition of vinyl chloride resin, but do not contain stabilizers.
  • a corrosive gas such as hydrochloric acid gas generated due to the thermal decomposition of the vinyl chloride resin causes corrosion of the surface of the antibacterial agent, thereby impairing the antibacterial property.
  • a means capable of achieving both the functions of not only preventing antibacterial properties but also preventing the antiviral effect and suppressing the thermal decomposition of vinyl chloride resin has been found. .
  • the compounding amount of the component (C) is usually 0.1 parts by mass or more, preferably 0.3 parts by mass or more with respect to 100 parts by mass of the component (A), from the viewpoint of thermal stability.
  • it may be usually 10 parts by mass or less, preferably 5 parts by mass or less.
  • the vinyl chloride resin composition according to the present invention preferably further contains one or more plasticizers.
  • the plasticizer functions to adjust the flexibility of the vinyl chloride resin composition of the present invention.
  • the component (D) can be appropriately selected and used depending on the purpose.
  • component (D) examples include phthalate ester plasticizers, trimellitic ester plasticizers, pyromellitic ester plasticizers, adipate ester plasticizers, itaconic ester plasticizers, and citrate esters.
  • examples thereof include a plasticizer, a cyclohexanedicarboxylate plasticizer, and an epoxy plasticizer.
  • component (D) examples include polyhydric alcohols such as ethylene glycol, diethylene glycol, triethylene glycol, 1,2-propylene glycol, 1,3-propylene glycol, 1,3-butanediol, and 1,4-butane.
  • polyhydric alcohols such as ethylene glycol, diethylene glycol, triethylene glycol, 1,2-propylene glycol, 1,3-propylene glycol, 1,3-butanediol, and 1,4-butane.
  • polyester plasticizers that use pimelic acid, suberic acid, maleic acid, azelaic acid, sebacic acid, fumaric acid, phthalic acid, isophthalic acid, terephthalic acid, etc., and if necessary, monohydric alcohol or monocarboxylic acid as a stopper. be able to.
  • phthalate ester plasticizer examples include dibutyl phthalate, butyl hexyl phthalate, diheptyl phthalate, di (2-ethylhexyl) phthalate, diisononyl phthalate, diisodecyl phthalate, diundecyl phthalate, ditridecyl phthalate, And dilauryl phthalate, dicyclohexyl phthalate, and dioctyl terephthalate.
  • trimellitic acid ester plasticizer examples include tri (2-ethylhexyl) trimellitate, tri (n-octyl) trimellitate, and tri (isononyl) trimellitate.
  • adipate ester plasticizer examples include bis (2-ethylhexyl) adipate, dioctyl adipate, diisononyl adipate, and diisodecyl adipate.
  • epoxy plasticizer examples include epoxidized soybean oil, epoxidized linseed oil, epoxidized fatty acid octyl ester, and epoxidized fatty acid alkyl ester.
  • the component (D) is preferably a phthalate ester plasticizer and an epoxy plasticizer from the viewpoint of antibacterial properties, antiviral properties, and moldability.
  • the component (D) is selected from the group consisting of the phthalate ester plasticizer and the epoxy plasticizer from the viewpoints of thermal stability, antibacterial / antiviral properties, color stability, and moldability.
  • containing at least one kind of plasticizer more preferably containing the above phthalate ester plasticizer and the above epoxy plasticizer, and the total amount of the above component (D) as 100% by mass. It is more preferable to contain 90 to 99% by mass of an ester plasticizer and 10 to 1% by mass of the epoxy plasticizer.
  • ⁇ As the component (D), one or more of these can be used in combination.
  • the compounding amount of the component (D) is usually 1 part by mass or more, preferably 3 parts by mass or more, from the viewpoint of moldability with respect to 100 parts by mass of the component (A). On the other hand, from the viewpoint of productivity of the resin composition and mechanical strength, it may be usually 120 parts by mass or less, preferably 100 parts by mass or less.
  • various additives usually used in the vinyl chloride resin and its resin composition for example, other heat stabilizers, for example, as long as they do not contradict the purpose of the present invention.
  • Lubricants, pigments, UV absorbers, mold release agents, antistatic agents, metal deactivators, surfactants, foaming agents, etc. and various fillers (for example, calcium carbonate, clay, talc, etc.). Can be included.
  • the method for producing the vinyl chloride resin composition according to the present invention is not particularly limited, and can be produced by any method.
  • the vinyl chloride resin composition according to the present invention comprises the above-described components (A) to (C) and optional components used as desired in any melt kneader (eg, single screw extruder, twin screw extruder, roll). , A mixer, and various kneaders).
  • melt kneader eg, single screw extruder, twin screw extruder, roll.
  • a mixer e.g, single screw extruder, twin screw extruder, roll
  • various kneaders e.g, single screw extruder, twin screw extruder, roll.
  • it can be obtained by melt kneading at a resin temperature of 150 to 180 ° C. using a pressure kneader.
  • the vinyl chloride resin composition according to the present invention is preferably produced by a so-called master batch method.
  • a resin composition hereinafter abbreviated as “MB”
  • MB resin composition
  • the components (A) to (C), and optional components used as desired are melt-kneaded using any melt-kneader.
  • the dispersibility / uniformity of the component (B) in the composition can be improved, and as a result, antibacterial properties and antiviral properties can be improved.
  • the antibacterial activity of Staphylococcus aureus (Staphylococcus aureus) measured as described in the test (5) of the following example of the vinyl chloride resin composition according to the present invention is preferably a log reduction value of 2 or more, more preferably 2. It may be 5 or more, more preferably 3 or more, still more preferably 3.5 or more, and most preferably 4 or more.
  • the antiviral property against E. coli phage (Coliphage) measured by the test (6-1) of the following example of the vinyl chloride resin composition of the present invention has a log reduction value of preferably 2 or more, more preferably 2 .5 or more, more preferably 3 or more, even more preferably 3.5 or more, and most preferably 4 or more.
  • the antiviral property against feline calicivirus measured by the test (6-2) of the following example of the vinyl chloride resin composition of the present invention has a logarithmic decrease value of preferably 2 or more. More preferably, it may be 2.5 or more, more preferably 3 or more, still more preferably 3.5 or more, and most preferably 4 or more.
  • the molded body of the antibacterial vinyl chloride resin composition of the present invention can be formed into a desired shape by applying to various molding methods.
  • the molding method include known molding methods such as an extrusion molding method, an injection molding method, a blow molding method, a calender roll rolling film forming method, and an extrusion film forming method.
  • the molding conditions can be appropriately selected from known conditions according to the target article.
  • (A) Vinyl chloride resin (A-1) Polyvinyl chloride (manufactured by Shin Daiichi PVC Co., Ltd., “ZEST 1000Z (trade name)”, average degree of polymerization 1000) was used.
  • (B) Copper-tin alloy particles (B-1) Copper-tin alloy (copper content is 79.1 at% in atomic ratio, tin content is 20.9 at% in atomic ratio, content of fine particles having a particle diameter of 45 ⁇ m or less is 100 vol%, and apparent A density of 2.75 g / cm 3 ) was used.
  • C ′ Reference compound: (C′-1) Dimethyltin mercapto (“TM-181FSJ (trade name)” manufactured by Katsuta Chemical Co., Ltd.) was used. (C′-2) Lead stearate (“NSP-R (trade name)” manufactured by NI Chemtech Co., Ltd.) was used.
  • TM-181FSJ Dimethyltin mercapto
  • NSP-R Lead stearate
  • D Plasticizer
  • D-1 Diisononyl phthalate (“DINP (trade name)” manufactured by J-Plus Co., Ltd.) was used.
  • D-2) Epoxidized soybean oil (“O-130S (trade name)” manufactured by ADEKA Corporation) was used.
  • Examples 1 to 13 Examples 1S to 7S> A blend having a blending ratio (part by mass) shown in any one of Tables 1 to 3 is melt-kneaded at a resin temperature of 180 ° C. using a two-roll kneader manufactured by Kansai Roll Co., Ltd. A composition was obtained. Each of the obtained resin compositions was subjected to the following tests (1) to (6). The test results were as shown in any one of Tables 1 to 3 below.
  • Hardness The hardness (value for 15 seconds) of Shore A was measured according to JIS K7215: 1986. The sample used was a 6 mm thick press sheet obtained by hot pressing the dispensing sheet obtained above.
  • Antiviral 1 (E. coli phage): With reference to JIS Z 2801: 2010, antiviral properties were measured using Escherichia coli phages at the Kitasato Environmental Science Center. That is, a 50 mm ⁇ 50 mm test piece was cut out from a 1.0 mm-thick press sheet obtained by hot pressing the dispensing sheet obtained above, placed in a moisturizing petri dish, and 0.2 mL of coliphage was put on the test piece. The virus solution was covered with a 40 mm ⁇ 40 mm film. This was allowed to act at 25 ° C. for 24 hours (still), and then the virus solution was drawn from the test piece and the infectivity titer was measured.
  • the infectivity titer after acting for 24 hours at 25 ° C. was measured for the standard sample.
  • the result was shown as a logarithmic decrease value calculated using both values.
  • the log reduction value of 3 means that the infectious titer was 1/1000 of the standard sample.
  • the vinyl chloride resin composition according to the present invention has excellent antibacterial and antiviral properties.
  • the preferred vinyl chloride resin composition of the present invention has excellent antibacterial and antiviral properties, and has good mechanical properties, heat aging characteristics, and extrusion processability. Therefore, it can be used widely and suitably as a material for articles requiring antibacterial and antiviral properties.

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

La présente invention concerne une composition de résine à base de chlorure de vinyle présentant une excellente performance antibactérienne et antivirale. La composition de résine à base de chlorure de vinyle comprend (A) 100 parties en masse d'une résine à base de chlorure de vinyle ; (B) de 1 à 150 parties en masse d'un agent antibactérien à base de métal ; et (C) de 0,1 à 10 parties en masse d'un composé conjugué d'un métal alcalino-terreux ou d'un métal alcalin et de zinc. L'agent antibactérien à base de métal (B) correspond à des particules d'alliage de cuivre-étain, le rapport des concentrations du cuivre et de l'étain dans l'alliage de cuivre-étain est un rapport atomique de 50 à 99 % at. de cuivre et de 50 à 1 % at. d'étain lorsque le total du cuivre et de l'étain est de 100 % at.
PCT/JP2017/006082 2016-02-24 2017-02-20 Composition de résine antibactérienne et antivirale à base de chlorure de vinyle WO2017145976A1 (fr)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019044096A (ja) * 2017-09-04 2019-03-22 株式会社Ｎｂｃメッシュテック 抗菌・抗ウイルス性塩化ビニル部材
CN111117115A (zh) * 2019-12-30 2020-05-08 浙江大学 一种以水为媒介的pvc类一次性手套的绿色生产工艺
KR20210136664A (ko) * 2020-05-08 2021-11-17 주식회사 케이씨씨글라스 다층 바닥장식재
WO2022092531A1 (fr) * 2020-10-30 2022-05-05 박연철 Matière antibactérienne et son procédé de préparation

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