WO2021246222A1 - Dispositif de stérilisation - Google Patents

Dispositif de stérilisation Download PDF

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Publication number
WO2021246222A1
WO2021246222A1 PCT/JP2021/019597 JP2021019597W WO2021246222A1 WO 2021246222 A1 WO2021246222 A1 WO 2021246222A1 JP 2021019597 W JP2021019597 W JP 2021019597W WO 2021246222 A1 WO2021246222 A1 WO 2021246222A1
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WO
WIPO (PCT)
Prior art keywords
container
hypochlorous acid
water
sterilizing device
density polyethylene
Prior art date
Application number
PCT/JP2021/019597
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English (en)
Japanese (ja)
Inventor
茂知 山本
実 山田
Original Assignee
ニプロ株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by ニプロ株式会社 filed Critical ニプロ株式会社
Priority to JP2022528755A priority Critical patent/JPWO2021246222A1/ja
Publication of WO2021246222A1 publication Critical patent/WO2021246222A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
    • A61L2/18—Liquid substances or solutions comprising solids or dissolved gases
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2101/00—Chemical composition of materials used in disinfecting, sterilising or deodorising

Definitions

  • the present invention relates to a sterilizing device provided with a container for storing hypochlorite water.
  • Ethanol, sodium hypochlorite aqueous solution, and hypochlorous acid water are known as liquids used for sterilization.
  • hypochlorous acid water has high bactericidal and deodorant powers, has stronger bactericidal and antiviral effects than sodium hypochlorite solution, and has a wider antibacterial spectrum. ..
  • the sodium hypochlorite solution is basic, whereas the hypochlorous acid water is weakly acidic, so that it has an advantage that it has little effect on the human body and metal products.
  • hypochlorous acid molecule contained in the hypochlorous acid water is unstable to light and heat, and there is a problem that the hypochlorous acid concentration tends to decrease during storage.
  • the present invention has been made in view of these circumstances, and an object of the present invention is to provide a sterilizing device in which the concentration of hypochlorous acid in hypochlorous acid water is difficult to decrease during the storage period.
  • the present invention is a sterilizing device including a hypochlorous acid water and a container for storing the hypochlorite water, and the above-mentioned container suppresses the deactivation of the hypochlorite water.
  • a sterilizing device including a hypochlorous acid water and a container for storing the hypochlorite water, and the above-mentioned container suppresses the deactivation of the hypochlorite water.
  • the container is at least a molded product of high-density polyethylene.
  • the container has an inner layer of high-density polyethylene containing no pigment.
  • the container has an outer layer of high-density polyethylene containing a pigment.
  • the concentration of hypochlorous acid contained in the hypochlorous acid water is the initial concentration. It holds 90% or more of.
  • the initial concentration of hypochlorous acid contained in the hypochlorous acid water is 30 ppm or more.
  • the container has a spray mechanism that mistizes and ejects a liquid.
  • hypochlorous acid concentration in the hypochlorous acid water it is difficult to reduce the hypochlorous acid concentration in the hypochlorous acid water during the storage period.
  • FIG. 1 is a front view showing the sterilizing device 10.
  • the present embodiment is only one embodiment of the present invention, and the embodiments can be changed without changing the gist of the present invention.
  • the sterilizing device 10 includes a hypochlorite water and a container 11 for storing the hypochlorite water.
  • hypochlorite water for example, an aqueous solution of potassium chloride or an aqueous solution of sodium chloride is electrolyzed in a diaphragmatic electrolytic cell, and an aqueous solution or hydrochloric acid obtained from the anode side is electrolyzed in a diaphragmatic electrolytic cell, and the solution is made of water. It is a liquid obtained by diluting.
  • the initial concentration of hypochlorous acid contained in the hypochlorous acid water stored in the container 11 is preferably, for example, 5 ppm or more, more preferably 10 ppm or more, based on the total mass of the hypochlorous acid water. Yes, and particularly preferably 30 ppm or more.
  • the initial concentration of hydrochloric acid contained in the hypochlorous acid water is, for example, preferably less than 10 ppm, more preferably less than 5 ppm, and particularly preferably 1 ppm with respect to the total mass of the hypochlorite water. Is less than.
  • the higher the hydrochloric acid concentration the higher the proportion of hydrogen chloride in the liquid, which accelerates the deterioration of the container due to hydrogen chloride.
  • the volatilized hydrogen chloride gas may cause delamination of the resin container and cause fragility.
  • the pH of the solution decreases, the amount of chloride ions increases, chlorine gas and hydrogen chloride gas are likely to be generated, and the decomposition of hypochlorite molecules proceeds.
  • the container 11 has a bottle shape capable of storing a liquid in the internal space.
  • the container 11 has a mouth portion 12 above.
  • the inner section of the container 11 and the outside are communicated with each other through the mouth portion 12.
  • a spray nozzle 13 (spray mechanism) is attached to the mouth portion 12.
  • the spray nozzle 13 sprays the hypochlorite water stored in the internal space of the container 11 as a mist from the nozzle portion 15 by the user pulling the lever 14.
  • the container 11 is made of a material that suppresses the deactivation of hypochlorite water.
  • the container 11 is a molded product of high-density polyethylene.
  • High-density polyethylene is polyethylene in which ethylene, which is a repeating unit, is bonded almost linearly, and has a density of 0.942 or more.
  • the container 11 is not limited to the shape of a bottle and may be in the shape of a bag, for example, but it is preferable that the container 11 does not have a structure in which a plurality of layers are laminated, for example, it is not made of a laminated film of polyethylene and aluminum.
  • the container 11 preferably has a low gas permeability so that the hypochlorite water does not deactivate, and preferably, the wall thickness of the bottle-shaped container 11 made of high-density polyethylene is 0.1 mm or more. be. More preferably, it is 0.5 mm or more. Further, the container 11 preferably has a light-shielding property.
  • the container 11 may be composed of two layers (inner layer and outer layer) of high-density polyethylene or more layers.
  • the inner layer preferably does not contain a pigment.
  • the outer layer may contain a pigment for the purpose of improving the light-shielding property.
  • examples of the pigment to be contained include inorganic pigments such as titanium oxide, iron oxide and carbon black, and organic pigments such as azo-based, phthalocyanine-based and slene-based pigments.
  • the hypochlorous acid concentration contained in the hypochlorous acid water is the initial concentration when the sterilizer is left at an environmental temperature of 25 ° C. for one month in a state where the mouth portion 12 is sealed. Holds 90% or more of. Further, the container 11 has a hypochlorous acid concentration contained in the hypochlorous acid water when the sterilizer is left at an environmental temperature of 40 ° C. for one month in a state where the mouth portion 12 is sealed. Retains 80% or more of the initial concentration.
  • test solution A (pH 3.1) having an effective chloric acid concentration of 30 ppm (mass)
  • test solution B (pH 3.3) having an effective chloric acid concentration of 30 ppm (mass)
  • effective chloric acid As hypochloric acid water, test solution A (pH 3.1) having an effective chloric acid concentration of 30 ppm (mass), test solution B (pH 3.3) having an effective chloric acid concentration of 30 ppm (mass), and effective chloric acid.
  • a test solution C (pH 6.0) having a concentration of 40 ppm (mass) and a test solution D (pH 5.0) having an effective chloric acid concentration of 100 ppm (mass) were used.
  • a high-density polyethylene having no pigment in the inner layer a high-density polyethylene having a pigment in the outer layer (thickness 2441.7 ⁇ m), and a container A having a capacity of 10 L were used as Example 1. Further, a container B made of polyethylene terephthalate (thickness 347.7 ⁇ m) having a capacity of 250 mL was used as Comparative Example 1.
  • Example 2 is a container C (thickness 1046.8 ⁇ m) made of high-density polyethylene containing no pigment and having a capacity of 500 mL
  • Example 3 is a container D (thickness 901.3 ⁇ m) made of high-density polyethylene containing no pigment and having a capacity of 100 mL.
  • a container E (thickness 906.3 ⁇ m) having a capacity of 100 mL containing a pigment is used as Comparative Example 2
  • a container F (thickness 857.3 ⁇ m) having a capacity of 120 mL containing a pigment is used as Comparative Example 3
  • a container G having a capacity of 100 mL containing a pigment is used.
  • (Thickness 964.8 ⁇ m) was designated as Comparative Example 4.
  • Test solutions A, B, and C were stored in containers A and B by the volume of each container, and stored at storage temperatures of 25 ° C. and 40 ° C. for 30 days.
  • the effective chlorine concentrations of the test solutions A and B stored in the containers A, B and C respectively were measured on each predetermined day between the 0th and 30th days, and the percentage with respect to the 0th day was calculated.
  • the results are shown in Table 1.
  • the test solution C is the test result up to the 14th day.
  • Preservation test 2 The test solution D was stored in the containers C, D, E, F, and G by the volume of each container, and stored at a storage temperature of 40 ° C. for 3 months.
  • the effective chlorine concentration of the test solution C stored in each of the containers C, D, E, F, and G was measured on a predetermined day from the 0th day to 4 months later, and the percentage with respect to the 0th day was calculated. ..
  • the results are shown in Table 2. Note that Example 2 was not stored at 25 ° C., and Examples 3 and Comparative Examples 2 to 4 were stored at 25 ° C. as test results up to the third month.
  • test solutions A, B, and C stored in the container A are the test solutions A, stored in the container B (Comparative Example 1).
  • the remaining effective chlorine concentration was higher than that of B and C, and was 90% or more of the initial concentration except for the test solution A of Example 1 stored at 40 ° C.
  • test liquid D stored in the containers C and D is any of the test liquids D stored in the containers E, F and G (Comparative Examples 2 and 4).
  • the remaining effective chlorine concentration was higher than that.

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  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Packages (AREA)

Abstract

Le problème décrit par la présente invention est de fournir un dispositif de stérilisation dans lequel la concentration en acide hypochloreux de l'eau d'acide hypochloreux est peu susceptible de diminuer. La solution selon l'invention porte sur un dispositif de stérilisation (10) qui comprend de l'eau d'acide hypochloreux et un récipient (11) pour stocker l'eau d'acide hypochloreux. Le récipient (11) est constitué d'un matériau qui supprime la désactivation de l'eau d'acide hypochloreux.
PCT/JP2021/019597 2020-06-02 2021-05-24 Dispositif de stérilisation WO2021246222A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2022528755A JPWO2021246222A1 (fr) 2020-06-02 2021-05-24

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020096423 2020-06-02
JP2020-096423 2020-06-02

Publications (1)

Publication Number Publication Date
WO2021246222A1 true WO2021246222A1 (fr) 2021-12-09

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PCT/JP2021/019597 WO2021246222A1 (fr) 2020-06-02 2021-05-24 Dispositif de stérilisation

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JP (1) JPWO2021246222A1 (fr)
WO (1) WO2021246222A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08143045A (ja) * 1994-11-17 1996-06-04 Mitsubishi Plastics Ind Ltd 電解イオン水充填用袋状物
JPH09173428A (ja) * 1995-12-26 1997-07-08 Mitsubishi Plastics Ind Ltd 消毒殺菌用電解酸性水の生成・給水装置
JP2002052074A (ja) * 2000-08-08 2002-02-19 Omega:Kk 殺菌洗浄スプレー製品及びその製造方法
JP2003520820A (ja) * 2000-01-12 2003-07-08 ノバカル・ファーマシューティカルズ・インコーポレイテッド 生理学的にバランスのとれた、イオン化された酸性の溶液および創傷治癒におけるその使用方法
US20140328945A1 (en) * 2013-05-03 2014-11-06 Aquaxo, Inc. METHOD FOR STABILIZING AN ELECTROCHEMICALLY GENERATED SANITIZING SOLUTION HAVING A PREDETERMINED LEVEL OF FREE AVAILABLE CHLORINE AND pH
JP2018143642A (ja) * 2017-03-08 2018-09-20 株式会社東芝 ミスト処理装置
JP2019527087A (ja) * 2016-06-22 2019-09-26 ブリオテック，インコーポレイテッド 非緩衝化次亜ハロゲン酸組成物による高耐性の感染性微生物及びタンパク質の不活性化

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08143045A (ja) * 1994-11-17 1996-06-04 Mitsubishi Plastics Ind Ltd 電解イオン水充填用袋状物
JPH09173428A (ja) * 1995-12-26 1997-07-08 Mitsubishi Plastics Ind Ltd 消毒殺菌用電解酸性水の生成・給水装置
JP2003520820A (ja) * 2000-01-12 2003-07-08 ノバカル・ファーマシューティカルズ・インコーポレイテッド 生理学的にバランスのとれた、イオン化された酸性の溶液および創傷治癒におけるその使用方法
JP2002052074A (ja) * 2000-08-08 2002-02-19 Omega:Kk 殺菌洗浄スプレー製品及びその製造方法
US20140328945A1 (en) * 2013-05-03 2014-11-06 Aquaxo, Inc. METHOD FOR STABILIZING AN ELECTROCHEMICALLY GENERATED SANITIZING SOLUTION HAVING A PREDETERMINED LEVEL OF FREE AVAILABLE CHLORINE AND pH
JP2019527087A (ja) * 2016-06-22 2019-09-26 ブリオテック，インコーポレイテッド 非緩衝化次亜ハロゲン酸組成物による高耐性の感染性微生物及びタンパク質の不活性化
JP2018143642A (ja) * 2017-03-08 2018-09-20 株式会社東芝 ミスト処理装置

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