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WO2016182384A1 - Film de stérilisation au plasma, contenant d'emballage de stérilisation et dispositif d'alimentation électrique appliqué à ceux-ci - Google Patents

Film de stérilisation au plasma, contenant d'emballage de stérilisation et dispositif d'alimentation électrique appliqué à ceux-ci Download PDF

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Publication number
WO2016182384A1
WO2016182384A1 PCT/KR2016/005069 KR2016005069W WO2016182384A1 WO 2016182384 A1 WO2016182384 A1 WO 2016182384A1 KR 2016005069 W KR2016005069 W KR 2016005069W WO 2016182384 A1 WO2016182384 A1 WO 2016182384A1
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WIPO (PCT)
Prior art keywords
layer
electrode layer
dielectric barrier
electrode
film
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/KR2016/005069
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English (en)
Korean (ko)
Inventor
임유봉
이원오
박상후
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Plasmapp Co Ltd
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Plasmapp Co Ltd
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Filing date
Publication date
Application filed by Plasmapp Co Ltd filed Critical Plasmapp Co Ltd
Publication of WO2016182384A1 publication Critical patent/WO2016182384A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/14—Plasma, i.e. ionised gases
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/2406—Generating plasma using dielectric barrier discharges, i.e. with a dielectric interposed between the electrodes
    • H05H1/2437—Multilayer systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/32—Gas-filled discharge tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38—Packaging materials of special type or form
    • B65D65/40—Applications of laminates for particular packaging purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
    • B65D81/28—Applications of food preservatives, fungicides, pesticides or animal repellants
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/2406—Generating plasma using dielectric barrier discharges, i.e. with a dielectric interposed between the electrodes
    • H05H1/2418—Generating plasma using dielectric barrier discharges, i.e. with a dielectric interposed between the electrodes the electrodes being embedded in the dielectric

Definitions

  • the present invention relates to a sterile film capable of generating a plasma, a method of manufacturing the same, and a power supply device applied thereto, and more particularly, an upper protective layer, an upper ground electrode layer, an upper dielectric barrier layer, an intermediate electrode layer, a lower dielectric barrier layer, and a lower portion.
  • the present invention relates to a sterilization film composed of a ground electrode layer and a lower protective layer capable of generating atmospheric pressure plasma and capable of sterilization, a method of manufacturing the same, and a power supply device applied thereto.
  • Japanese Laid-Open Patent Publication discloses a plasma sterilization apparatus by generating a dielectric barrier discharge (DBD) using a breathable packaging material.
  • DBD dielectric barrier discharge
  • Japanese Patent Application Laid-Open No. 2008-183025 is difficult to apply when the object to be treated is a liquid.
  • Korean Patent No. 10-1012442 discloses a sterilizing apparatus using atmospheric pressure plasma.
  • Korea Patent Registration 10-1012442 is difficult to apply to the packaging material, even if the object to be treated is a liquid.
  • plastic packaging containers such as polyethylene terephthalate (PET) are used to prevent moisture absorption, discoloration, fat rancidity and deterioration of flavor, and have low moisture and oxygen permeability and good barrier properties.
  • PET polyethylene terephthalate
  • Al foil is used by further stacking.
  • the packaged food can grow microorganisms.
  • the food in order to sterilize the food, the food is packaged after sterilization treatment prior to packaging, except for high pressure and high temperature sterilization using a retort pouch. Therefore, re-contamination (cross-contamination) is likely to occur at this time, and problems may occur during storage.
  • Heat sterilization of retort pouches is considered to be effective and safe, but there are disadvantages due to physicochemical changes in foods such as nutrient destruction and flavor changes caused by heat sterilization. In addition, heat sterilization cannot be performed for the treatment of foods sensitive to heat.
  • Japanese Laid-Open Patent Publication discloses a plasma sterilization apparatus by generating a dielectric barrier discharge (DBD) using a breathable packaging material.
  • DBD dielectric barrier discharge
  • UBD dielectric barrier discharge
  • UV-ray ultraviolet rays
  • H 2 O 2 hydrogen peroxide
  • 2008-183025 is characterized by constituting electrodes of different polarities on one surface of one dielectric, and the spacing between the electrodes is limited to the minimum by the dielectric characteristics, which results in large area discharge of plasma. It is not possible to generate a uniform plasma. In addition, the process for forming electrodes of different polarities on one side is very difficult and mass production is not possible. For example, if there is a small defect in the dielectric, rather than a plasma discharge at the surface, a relatively high electric field is formed at the defect site, causing the plasma discharge to start first, which causes the small defect to become larger due to the plasma discharge. . In addition, Japanese Laid-Open Patent Publication (Japanese Patent Laid-Open No. 2008-183025) is unable to secure electrical safety by emission of electromagnetic waves and exposure to high voltages, and is not applicable as a device for sterilization.
  • Korean Patent No. 10-1012442 discloses a sterilizing apparatus using atmospheric pressure plasma.
  • the packaging material of Korean Patent No. 10-1012442 is not only able to secure electrical safety due to exposure of high voltage and generation of electromagnetic waves, and is not applicable as a device for sterilization, such as Japanese Patent Application Laid-Open No. 2008-183025.
  • the packaging plays a fundamental role in increasing the commodity value of the article and protecting the article in the distribution process.
  • paper, glass, plastic, or the like is used as a material of a packaging container.
  • plastic packaging containers such as polyethylene terephthalate (PET) are used to prevent moisture absorption, discoloration, fat rancidity and deterioration of flavor, and have low moisture and oxygen permeability and good barrier properties.
  • Al foil is used by further stacking.
  • the foods are packaged after sufficient sterilization process, but the remaining microorganisms grow during storage, and studies have been conducted to ensure food safety.
  • a representative example is autoclave sterilization using a retort pouch for sterilization of food.
  • Heat sterilization of the retort pouch may be considered effective and safe, but there are disadvantages due to physicochemical changes in foods such as nutrient destruction and flavor changes caused by heat sterilization. In addition, heat sterilization cannot be performed for the treatment of foods sensitive to heat. Recently, non-heat sterilization methods have been developed and commercialized to compensate for the disadvantages of heat sterilization.
  • Typical non-heat sterilization methods include ultraviolet sterilization, radiation (gamma ray ( ⁇ -ray), electron ray (X-ray), X-ray) sterilization, and ultra high pressure process sterilization.
  • Ultraviolet rays have a low permeability, making it difficult to process food in the package.
  • radiation has a high permeability and can be processed in a fully packaged food, but the initial installation cost, management costs, etc. are enormous, and still low consumer acceptance, commercialization is progressing slowly.
  • ultra-high pressure process can be processed in a fully packaged state, this method also has a problem of high initial investment cost, and also causes physicochemical changes of food.
  • the packaging performs the basic function of preventing and storing secondary contamination of sterile medical instruments.
  • medical packaging materials used for the sterilization process using a sterilizer in the use of reusable medical devices in medical institutions, and then used for storage.
  • a packaging material is used that is permeable to the sterilizing agent defined for each sterilizer to sterilize the medical device after packaging.
  • a packaging material such as woven fabric, non-woven fabric, paper or polypropylene may be used for the high pressure steam sterilizer.
  • packaging materials such as polyethylene and Tyvek may be used as polymers.
  • Medical sterilizers unlike the sterilization of foods, require sterility to be achieved with a proven process, ie, sterilization, to provide a medical device free of living microorganisms.
  • a typical medical sterilizer is a high pressure steam sterilizer, which performs sterilization at a high temperature of about 134 ° C. and a high pressure of about 2 bar.
  • sterilization cannot be performed on medical devices whose use in high temperature and high pressure processes is limited.
  • further limitations arise due to corrosion of the medical device by moisture, etc. to perform sterilization by steam. Dry heat sterilizers to remove moisture restrictions will be sterilized at a high temperature of about 180 ° C.
  • a medical device containing a material such as plastic which is susceptible to heat.
  • the sterilization process performed on the medical device in the packaged state is limited in permeability of the sterilant, and a long sterilization time of about 1 hour is required to have the sterilization reliability.
  • the primary contamination of the packaging material may affect the permeability of the sterilant, there is a problem that the sterilization reliability may be lowered.
  • the conventional chemical sterilizer proceeds the process in the sterilization chamber (chamber), the size of the sterilizer is large, the introduction is limited due to lack of space in the medical institution, there is a difficulty in introducing technology due to expensive equipment.
  • the development of the plasma sterilization / sterilization technology in the packaging material using the structure of the packaging container itself is a high-efficiency technology that can prevent secondary contamination and have high sterilization power, and it is not a conventional sterilizer chamber through the commercialization of the technology. Not only can it be done inside the packaging, which increases space utilization, but also simplifies the equipment and provides an economical and innovative sterilizer.
  • the present inventors have completed the present invention as an economical low-temperature plasma packaging sterilizer which makes the most of the basic structure of the packaging material and ensures electrical safety while enabling sterilization in the packaging material.
  • the problem to be solved by the present invention is to provide a sterilizing film and a packaging container that can be sterilized by generating a plasma uniformly on the inner surface of the packaging material by simply applying an external power source to the packaging material itself. Specifically, to provide a sterilizing film and packaging container to form a vacuum in the packaging material for application to the medical sterilizer to increase the diffusion and penetration of the sterilant generated by the plasma inside the packaging material.
  • Another object of the present invention is to provide a power supply device that is applied to a packaging container including a sterilizing film that can sterilize the inside of the packaging container by generating a plasma simply applying an external power source to the packaging material itself.
  • the present invention provides a sterilizing film and a packaging container.
  • the sterilizing film has a middle electrode layer including an intermediate pad portion for connecting electrically with the outside while being electrically connected to the thin plate-shaped middle electrode portion and the intermediate electrode portion, and having an upper dielectric barrier layer and a lower portion having flexibility.
  • an upper ground electrode layer including an upper ground pad portion, a lower ground electrode portion and a lower ground electrode provided on a lower surface opposite to an upper surface of a lower dielectric barrier layer provided with an intermediate electrode layer and having a plurality of through holes;
  • a lower ground pad portion for electrical connection to the outside while being electrically connected to the May include a lower ground electrode layer and a lower protective layer covering the lower ground electrode layer.
  • the intermediate pad portion and the lower ground pad portion may be electrically connected to an external power source to form a plasma around the porous screen structure of the lower ground electrode portion.
  • the intermediate electrode layer may have a narrower planar area than the upper ground electrode layer so as to have a structure completely covered by the upper ground electrode layer.
  • the upper ground electrode layer and the lower ground electrode layer may have the same planar outer circumferential shape.
  • the upper dielectric barrier layer and the lower dielectric barrier layer are polytetrafluoroethylene (PTFE), nylon (nylon), polyvinyl chloride (PVC), polyethylene (PolyEthylene (PE), polypropylene (PolyPropylene: PP) It may include at least one selected from polystyrene (PolyStyrene: PS) or polyester.
  • the upper dielectric barrier layer and the lower dielectric barrier layer may have a thickness of 30 ⁇ m or more.
  • the middle electrode layer, the upper ground electrode layer, and the lower ground three electrode layer may include copper, chromium, or aluminum.
  • the middle electrode layer, the upper ground electrode layer, and the lower ground electrode layer may have a thickness in the range of 5 ⁇ m to 20 ⁇ m.
  • the lower protective layer may comprise polyflopropylene or polyethylene.
  • the surface of the lower protective layer opposite the lower ground electrode layer may be embossed.
  • the sterilizing film may further include a frictional resistance layer interposed between the upper ground electrode layer and the upper protective layer.
  • the diameter of the through hole of the porous screen structure can range from 0.3 mm to 7 mm.
  • the middle pad portion and the lower ground pad portion are disposed to be spaced apart from each other so as not to face each other, the middle pad portion and the upper ground pad portion are disposed to be spaced apart from each other so as not to face each other, and the upper ground pad portion and the lower ground pad portion are opposed to each other. It may be spaced apart.
  • the upper ground electrode layer and the lower ground electrode layer may be formed to have the same planar outer circumferential shape.
  • a power supply device applied to a packaging container including a sterilizing film.
  • This power supply is a power supply for generating a plasma inside the packaging container including the sterilizing film described above, the power supply of the power supply of the middle pad portion and the upper ground pad portion of the sterilization film, or the middle pad portion and the lower ground pad portion It may include a closure including two power connection terminals for applying a heating means, a heating means for sealing the packaging container and a heat supply for generating heat in the heating means.
  • One of the two power connection terminals may connect the upper ground pad portion and the lower ground pad portion at a time.
  • the power supply may further include a vacuum for lowering the pressure inside the packaging container.
  • the pressure inside the packaging container may be 200 torr or less by the vacuum part.
  • the sealing part may seal the packaging container after the pressure inside the packaging container is lowered by the vacuum part.
  • the power supply apparatus may further include a matcher connected between the power supply unit and the power connection terminals and an impedance meter connected to the power connection terminals.
  • the sterilizing film since the sterilizing film has three electrode layers, electrical stability can be secured. Thus, a highly reliable sterilizing film can be provided.
  • the surface of the lower protective layer corresponding to the inner layer of the sterilizing film has an embossed form, an effective vacuum may be formed to increase plasma sterilization efficiency. Accordingly, a sterile packaging container can be provided that is much more economical and has higher sterilization reliability than conventional plasma sterilizers.
  • the sterilant loss can be minimized because sterilization can be minimized in a packaging material that is much narrower than the sterilization chamber compared to the conventional plasma sterilizer, which can greatly reduce the process time. Reliable sterilization can be performed without the use of. Accordingly, maintenance costs in the use of the sterilizer can be reduced, and user convenience can be maximized.
  • the power supply device includes a vacuum forming portion and a sealing portion for vacuum-sealing the packaging container, it is possible to prevent re-contamination of the object to be processed and perform efficient sterilization.
  • vacuum sealed packaging and sterilization can be performed on a single device, maximizing ease of use.
  • the miniaturization of the sterilizer is realized according to the configuration of the small power supply unit and the plasma electrode using the packaging material, so that the sterilizer can be carried, so that the medical device can be sterilized in the external treatment of the medical institution. Accordingly, an economical and convenient sterilization packaging container and a power supply can be provided with high sterilization reliability and excellent storage.
  • FIG. 1A is a conceptual diagram illustrating a packaging container including a sterilizing film according to an embodiment of the present invention.
  • FIG. 1B is a cross-sectional view showing cross-sectional views of regions of the sterilizing film of FIG. 1A.
  • FIG. 1C is a cross-sectional view of FIG. 1A.
  • FIG. 1A is a plan view of FIG. 1A.
  • 3A to 3D are cross-sectional views illustrating sterilizing films according to still other embodiments of the present invention.
  • FIG. 4 is a cross-sectional view illustrating a packaging container including a sterilizing film according to an embodiment of the present invention.
  • 5a to 5c are process conceptual views for explaining a method of manufacturing a sterilizing film according to an embodiment of the present invention.
  • FIG. 6 is a block diagram illustrating a power supply device applied to a packaging container including a sterilizing film according to an embodiment of the present invention.
  • dielectric barrier plasma sources apply a voltage to the electrodes to generate a plasma at the surface of the dielectric plate.
  • the dielectric barrier plasma source performs a sterilization process on the contents disposed at a distance from the dielectric plate. For the packaging of the contents, it is necessary to insert the contents into the packaging after the sterilization process is completed.
  • dielectric barrier plasma sources have a problem that they can be secondaryly contaminated in the process of performing plasma sterilization and transferring the contents of the sterilization process to the packaging material. Therefore, hygiene management of the environment in which the packaging is performed is very important, and the cost may be incurred. In addition, since complete control of the packaging environment is not possible, a process of secondary sterilization for contents requiring sterilization such as a medical device is necessary. As a result, the overall sterilization process costs are increased. In addition, there is a disadvantage in that the distance from the dielectric barrier plasma source is not constant in processing the curved contents, resulting in poor uniformity of sterilization performance.
  • Retort pouches use a lamination film, which is usually made of three or five layers of plastic film or aluminum foil with different properties to improve heat resistance, gas permeability and thermal adhesion.
  • Plasma sterilizing film according to an embodiment of the present invention can be bonded to the structure of the conventional retort pouch with integrity.
  • Typical retort pouch films consist of an inner layer (polypropylene) / intermediate layer (aluminum) / outer layer (polyester). Each layer of the retort pouch film may be bonded to each other through an adhesive layer.
  • the plasma sterilizing film is composed of a lower protective layer / lower electrode / dielectric barrier film / upper electrode / upper protective layer laminated in sequence. For the dielectric barrier discharge, the plate-shaped upper electrode and the porous screen-shaped lower electrode are disposed with the dielectric barrier film interposed therebetween. Therefore, in the structure of the retort pouch, in order to perform the dielectric barrier discharge, a change of the structure of the retort pouch is required.
  • the intermediate layer (aluminum) of the retort pouch is used as the upper electrode of the dielectric barrier discharge and the inner layer (polypropylene) of the retort pouch is used as the dielectric barrier film of the dielectric barrier discharge
  • a separate lower electrode is required.
  • the lower electrodes of the porous screen shape may be electrically connected to each other to cause unstable discharge. Therefore, the lower electrode is covered with the lower protective layer to suppress direct contact with the workpiece.
  • the lower protective layer may be made of polypropylene or polyethylene as the food contact layer.
  • the outer layer serves as a protective layer using polyethylene materials and functions as an upper protective layer disposed on the upper electrode of the plasma sterilizing film.
  • a plasma sterilizing film can be provided in the structure of the retort pouch.
  • a stable plasma discharge may be performed to sterilize the interior of the packaging container or the interior of the retort pouch.
  • the plasma sterilizing film may itself be used as all or part of the packaging container.
  • the plasma sterilization film may be combined with a conventional packaging container to provide a plasma sterilization function.
  • the retort pouch can be performed selectively or in combination with plasma sterilization and heat sterilization.
  • FIG. 1A is a conceptual diagram illustrating a packaging container including a sterilizing film according to an embodiment of the present invention
  • FIG. 1B is a cross-sectional view showing cross sections of regions of the sterilizing film of FIG. 1A
  • FIG. 1C is a cross-sectional view of FIG. 1A
  • FIG. 2 is a plan view of FIG. 1A.
  • the packaging container 10 includes a sterile film 100.
  • the sterilization film 100 includes a sterilization region 103a, a sealing region 103c, and a pad region 103b.
  • the sterilization region 103a is disposed between the upper ground electrode portion 120a, the intermediate electrode portion 140a, the lower ground electrode portion 160a of the porous screen structure, and the upper ground electrode portion 120a and the intermediate electrode portion 140a.
  • Plasma is applied to the inside of the closed packaging container 10 by using the lower dielectric barrier layer 130 and the lower dielectric barrier layer 150 disposed between the lower ground electrode portion 160a and the intermediate electrode portion 140a.
  • the sealing region 103c is disposed around the sterilization region 103a to accommodate the object to be processed therein.
  • the pad region 103b includes an intermediate pad portion 140b electrically connected to the intermediate electrode portion 140a and a lower ground pad portion 140b electrically connected to the lower ground electrode portion 160a.
  • the pad region 103b may include an upper ground pad portion 120b electrically connected to the upper ground electrode portion 120a. That is, one surface of the upper ground pad portion 120b, the middle pad portion 140b, and the lower ground pad portion 160b is exposed to the atmosphere, respectively. Alternatively, one surface of the pad portions 120b, 140b or 160b may not be exposed to the atmosphere. In this case, the layers on the pad portions 120b, 140b or 160b are penetrated by the power connection terminals of the power supply 200 (see 212 in FIG. 6), so that the pad portions 120b, 140b or 160b and the power connection terminal are connected. Can be electrically connected.
  • the sterilization region 103a, the sealing region 103c and the pad region 103b may be continuously connected to each other in the plurality of upper and lower dielectric barrier layers 130 and 150.
  • the pad region 103b has a structure similar to that of the sterilization region 103a, but one surface of the intermediate electrode layer 140 is exposed to form the intermediate pad portion 120b, and one surface of the lower ground electrode layer 160 is exposed to expose the lower pad. It may be formed to form the portion 160b.
  • the sealing region 103c has a structure similar to that of the sterilization region 103a but the intermediate electrode portion 140a, the intermediate pad portion 140b, the lower ground electrode portion 160a or the lower ground pad portion 160b is removed. Can be formed.
  • the sterilization region 103a forms a plasma through the dielectric barrier discharge inside the packaging container 10 and sterilizes the interior.
  • the sterilization region 103a of the sterilization film 100 includes a plurality of flexible dielectric barrier layers 130 and 150 and a thin plate-shaped upper ground electrode portion disposed on the upper surface of the upper dielectric barrier layer 130 ( 120a), a thin plate-shaped middle electrode portion 140a disposed between the plurality of dielectric barrier layers 130 and 150, and a pore disposed below the lower surface of the lower dielectric barrier layer 160 and having a plurality of through holes.
  • a lower protective layer disposed below the lower surface of the lower ground electrode portion 160a, the upper protective layer 110 disposed on the upper surface of the upper ground electrode portion 120a, and the lower ground electrode portion 160a. 170).
  • the pad region 103b is created for electrical connection with the outside, is disposed outside the inner space of the packaging container 10, and the intermediate pad 140b and the lower ground pad 160b or the dielectric barrier discharge do not occur.
  • the middle pad 140b and the upper ground pad 120b may not be disposed to face each other.
  • the middle pad 140b and the lower ground pad 160b or / and the middle pad 140b and the upper ground pad 120b may be connected to an external power source.
  • the lower ground pad 160b and / or the upper ground pad 120b may be grounded, and a high voltage may be applied to the intermediate pad 140b.
  • the middle pad 140b is grounded, and a high voltage may be applied to the lower ground pad 160b or / and the upper ground pad 120b.
  • the sealing region 103c may be a region that is disposed to surround the sterilization region 103a and forms a sealed space.
  • the sealing region 103c of the sterilizing film 100 includes a plurality of flexible dielectric barrier layers 130 and 150, and a thin plate-shaped upper ground electrode portion disposed on an upper surface of the upper dielectric barrier layer 130 ( 120a), a lower ground of the porous screen structure having a plurality of through holes and disposed on the lower surface of the upper protective layer 110 and the lower dielectric barrier layer 150 disposed on the upper surface of the upper ground electrode portion 120a.
  • the lower protective layer 170 may be disposed on the lower surface of the electrode 160a and the lower ground electrode 160a.
  • the sealing region 103c may include a portion where the upper sterilizing film 100 and the lower packaging (or sterilizing) film are bonded by thermal compression.
  • the sealing region 103c may not generate a plasma. Accordingly, both the upper ground electrode portion 120a and the lower ground electrode portion 160a may be removed in the sealing region 103c. Meanwhile, only one of the upper ground electrode portion 120a and the lower ground electrode portion 160a may be disposed to prevent external light from penetrating into the packaging container 10 in the sealing region 103c.
  • the plurality of dielectric barrier layers 130 and 150 may comprise at least one of polytetrafluoroethylene, polyethylene, polypropylene, polystyrene, and polyester. Dielectric barrier layers 130 and 150 may perform a function similar to the inner layer of the retort pouch. In addition, the dielectric barrier layers 130 and 150 may serve as a substrate film on which the upper ground electrode portion 120a, the middle electrode portion 140a, and the lower ground electrode portion 160a are formed. In addition, the dielectric barrier layers 130 and 150 may be a material capable of stably generating dielectric barrier discharge at high voltage without dielectric breakdown.
  • the dielectric breakdown voltage is determined according to the dielectric strength value and thickness of the selected material, and it can be used as long as the voltage is approximately higher than the driving voltage of the atmospheric pressure plasma.
  • the thickness of the dielectric barrier layers 130 and 150 may range from 30 ⁇ m to 300 ⁇ m. Preferably, the thickness of the dielectric barrier layers 130 and 150 may be around 100 ⁇ m.
  • the dielectric barrier layers 130 and 150 preferably have flexibility, and thus the adhesion between the upper ground electrode portion 120a and the middle electrode portion 140b and the middle electrode portion 140b and the lower ground electrode portion 160a is preferable. This good material is preferred.
  • the upper ground electrode part 120a, the middle electrode part 140a, and the lower ground electrode part 160a may include copper (Cu) or aluminum.
  • the upper ground electrode portion 120a, the middle electrode portion 140a, and the lower ground electrode portion 140a may be packaged. May be contaminated by direct contact with Accordingly, the upper ground electrode portion 120a, the middle electrode portion 140a, and the lower ground electrode portion 160a may be coated with a thin plate such as aluminum, and may be a material harmless to the human body.
  • the upper ground electrode portion 120a may be coated on the upper surface of the upper dielectric barrier layer 130.
  • the upper ground electrode part 120a may be patterned through a patterning process after coating the upper ground electrode layer 120. For example, the region of the upper ground electrode layer 120 facing the middle pad portion 140b may be removed.
  • the intermediate electrode portion 140a may be coated under the lower surface of the upper dielectric barrier layer 130 or over the upper surface of the lower dielectric barrier layer 150.
  • the intermediate electrode part 140a may be formed through a patterning process after forming the intermediate electrode layer 140.
  • the intermediate electrode portion 140a may have a plane area narrower than that of the upper ground electrode portion 120a to have a structure completely covered by the upper ground electrode portion 120a.
  • the lower ground electrode portion 160a may be coated under the lower surface of the lower dielectric barrier layer 150.
  • the lower ground electrode portion 160a may be formed through a patterning process after forming the lower ground electrode layer 160.
  • the lower ground electrode 160a may have the same planar outer circumferential shape as the upper ground electrode 120a. That is, although the lower ground electrode portion 160a has a plurality of through holes therein, the plane of the plane of the lower ground electrode 160a may be the same as the plane of the plane of the outer circumference of the upper ground electrode 120a. Can be.
  • the thickness of the upper ground electrode portion 120a, the middle electrode portion 140a, and the lower ground electrode portion 160a may range from 5 ⁇ m to 20 ⁇ m. Preferably, the thickness of the upper ground electrode portion 120a, the middle electrode portion 140a, and the lower ground electrode portion 160a may be about 15 ⁇ m.
  • the upper ground electrode part 120a may be used as a ground electrode for dielectric barrier discharge in a thin plate shape and may serve as a light blocking layer that blocks external light and an air blocking layer that blocks inflow of external air.
  • the intermediate electrode portion 140a has a thin plate shape and is used as an electrode for applying dielectric barrier discharge. Since the intermediate electrode portion 140a has a narrower planar area than the upper ground electrode portion 120a and is completely covered by the upper ground electrode portion 120a, the plasma generated inside the packaging container 10 may radiate to the outside. Possibilities can be minimized.
  • the upper ground pad part 120b may be electrically connected to the upper ground electrode part 120a, and the upper protective layer 110 may be removed to be electrically connected to an external power source.
  • the upper ground pad 120b and the upper ground electrode portion 120a are disposed on the upper dielectric barrier layer 130.
  • the upper ground pad 120b and the upper ground electrode portion 120a may be formed at the same time.
  • the middle pad part 140b may be electrically connected to the middle electrode part 140a, and the upper protective layer 110, the upper ground electrode layer 120, and the upper dielectric barrier layer 130 may be removed to be electrically connected to an external power source. have.
  • the intermediate pad portion 140b and the intermediate electrode portion 140a are disposed on the lower dielectric barrier layer 150.
  • the intermediate pad portion 140b and the intermediate electrode portion 140a may be formed at the same time.
  • the lower ground electrode portion 160a has a porous screen shape and forms a strong electric field to cause dielectric barrier discharge.
  • the shape of the lower ground electrode part 160a may be a shape including a hole arranged in a mesh shape or a matrix shape.
  • the shape of the hole may be a circle, a polygon, a slit, a serpentine slit shape.
  • the diameter of the through hole of the porous screen structure corresponding to the diameter or width of the hole may range from 0.3 mm to 7 mm.
  • the width of the lines surrounding the through hole may be 2 mm or less.
  • the lower ground pad portion 160b may be electrically connected to the lower ground electrode portion 160a and may be designed such that the intermediate pad portion 140b is not disposed to face the lower ground pad portion 160b. Accordingly, plasma generation can be suppressed in the pad region.
  • the lower ground pad part 160b and the lower ground electrode part 160a may be simultaneously formed on the lower surface of the lower dielectric barrier layer 150.
  • the upper protective layer 110 is disposed on the upper ground electrode portion 120a and may be exposed to an external atmosphere.
  • the upper protective layer 110 may have a function of protecting the surface with sufficient strength.
  • the upper protective layer 110 may be polyether or polyethylene terephthalate.
  • the thickness of the upper protective layer 110 may range from several ⁇ m to several tens of ⁇ m. Preferably, the thickness of the upper protective layer 110 may be about 10 ⁇ m.
  • the upper protective layer 110 may be bonded to the upper dielectric barrier layer 130 by thermal compression or to the upper dielectric barrier layer 130 or the upper ground electrode 120a using an adhesive.
  • the upper protective layer 110 may be removed on the upper ground pad portion 120b to expose the upper ground pad portion 120b.
  • the upper protective layer 110 may be formed through a coating process on the upper dielectric barrier layer 130 on which the upper electrode layer 120 is formed.
  • the lower protective layer 170 may be in direct contact with the packaged object and may serve to protect the lower ground electrode 160a.
  • the lower protective layer 170 may be polypropylene.
  • the lower protective layer 170 may be made of the same material as the lower dielectric barrier layer 150.
  • the lower protective layer 170 may have a thickness in the range of several tens of micrometers to several hundred micrometers. Preferably, the thickness of the lower protective layer 170 may be about 200 ⁇ m.
  • the lower protective layer 150 may be removed below the lower ground pad portion 160b to expose the lower ground pad portion 160b.
  • the lower ground electrode portion 160a may be coated on the lower surface of the lower dielectric barrier layer 150 or the upper surface of the lower protective layer 170.
  • the lower protective layer 170 may be bonded to the lower dielectric barrier layer 150 by thermal compression or may be bonded through an adhesive layer.
  • the lower protective layer 170 may be formed through coating on the lower surface of the lower dielectric barrier layer 150 in which the lower ground electrode portion 160a is formed.
  • the external power supply 200 may output AC power having a low frequency (low frequency, 1 kHz to 100 kHz).
  • the waveform of the external power supply 200 may be in any form, such as a sine wave, a square wave (square wave), and a pulse.
  • the peak voltage is driven within the dielectric breakdown voltage of the dielectric barrier layer 130 or 150 used, and typically uses 0.5 kV to 5 kV.
  • the temperature of the gas derived from the plasma and the temperature of the electrode are important, with pulse voltages ranging from tens of ns to hundreds of ns and with repetition rates ranging from 1 kHz to 100 kHz. The temperature can be maintained near room temperature.
  • Plasma used in the present invention is a dielectric barrier discharge
  • the discharge gas may be oxygen, nitrogen, air, as well as inert gas such as helium, argon, neon (Ne) at atmospheric pressure.
  • the packaging container 10 may be treated to contain a small amount of oxygen.
  • the type of the substitution gas that can be used as the discharge gas of the plasma may vary depending on the packaged food, and nitrogen, oxygen, and carbon dioxide (CO 2 ) are commonly used.
  • CO 2 carbon dioxide
  • the sterilization film 100 generates a plasma to provide a sterilization function.
  • the sterilizing film 100 is electrically connected to the plurality of flexible dielectric barrier layers 130 and 150, the plate-shaped upper ground electrode portion 120a and the upper ground electrode portion 120a and has an electrical connection with the outside.
  • An intermediate pad portion 140b electrically connected to and externally connected to the outside, the intermediate electrode layer 140 disposed between the plurality of dielectric barrier layers 130 and 150, and having a plurality of through holes.
  • Lower folds placed on the face The ground electrode layer 160 and the lower ground electrode layer 160 are disposed to surround the exposed surface, and include a lower protective layer 170 formed of a dielectric.
  • the upper ground pad portion 120b, the middle pad portion 140b, and the lower ground pad portion 160b are electrically connected to an external power source to form a plasma around the lower ground electrode portion 160a of the porous screen structure.
  • the sterilizing film 100 may include a lower protective layer 170 to suppress abnormal discharge even when it comes into contact with the liquid. In addition, it may have flexibility to be coupled to any type of packaging container (10).
  • the sterilizing film 100 has a structure similar to a conventional retort pouch film.
  • Typical retort pouch films consist of an inner layer (polypropylene) / intermediate layer (aluminum) / outer layer (polyester).
  • the manufacturing method of the sterilizing film 100 may be similar to the manufacturing method of a conventional retort pouch film.
  • the sterilizing film 100 may be used as part of the flexible closed container or may be inserted into a closed container separately from the closed container.
  • the sterilization region 103a may be disposed inside the sealed container, and the pad region 103b may be disposed to protrude out of the sealed container.
  • the sealed container may compress the pad region 103b or the sealing region 103c to form an interior sealed space.
  • the sterilizing film 100 may be heat-compressed with the flexible packaging container to be fixed or fused.
  • the hermetic container is a fixed plastic container to be bonded using the handle portion
  • the sterilization film 100 since the sterilization film 100 has a sufficiently thin thickness, it can be fitted by packing between the body portion and the lid of the fixed plastic container. . Accordingly, the sterilization region 103a of the sterilization film 100 may be disposed inside the plastic sealed container and the pad region 103b may be disposed outside the plastic sealed container.
  • 3A to 3D are cross-sectional views illustrating sterilizing films according to still other embodiments of the present invention.
  • the sterilizing film 100a electrically connects a plurality of flexible dielectric barrier layers 130 and 150, a plate-shaped upper ground electrode 120a and an upper ground electrode 120a. And an upper ground pad portion 120b for electrical connection with the outside, and disposed on the upper surface of the upper dielectric barrier layer 130, the upper ground electrode layer 120, a thin plate-shaped middle electrode portion 140a, and An intermediate pad portion 140b electrically connected to the intermediate electrode portion 140a, the intermediate pad portion 140b for electrical connection with the outside, and disposed between the plurality of dielectric barrier layers 130 and 150; A lower ground electrode portion 160a and a lower ground electrode portion 160b electrically connected to the lower ground electrode portion 160a of the porous screen structure having through holes therein, and having a lower dielectric barrier layer On the bottom of 150) Arranged to surround the exposed surface of the lower electrode layer 140 and the lower ground electrode 160, and a lower protective layer 170 is formed of a dielectric material.
  • the upper protective layer 110 may be disposed on the upper ground electrode layer 120.
  • the upper protective layer 110 may be polyethylene, polypropylene, polystyrene and polyester.
  • Lower protective layer 170 may be polyethylene, polypropylene, polystyrene, and polyester. The lower protective layer 170 may be disposed only on the lower surface and the side surface of the through hole of the lower ground electrode 160a of the porous screen structure.
  • the plurality of dielectric barrier layers 130 and 150 may comprise at least one of polytetrafluoroethylene, polyethylene, polypropylene, polystyrene, and polyester.
  • the upper ground electrode layer 120, the middle electrode layer 140, and the lower ground electrode layer 160 may include copper or aluminum.
  • the lower passivation layer 170 may include a through hole aligned with the through hole of the lower ground electrode part 160a.
  • the lower ground electrode 160a may have a plurality of porous screen structures.
  • the lower protective layer 170 may be bonded to the lower dielectric barrier layer 150 on which the lower ground electrode portion 160a is formed through thermal compression or adhesive.
  • the sterile film 100b may perform dielectric barrier discharge.
  • the lower passivation layer 170 may conformally cover the profile of the lower ground electrode portion 160a and may cover the lower surface of the exposed lower dielectric barrier layer 150.
  • the lower protective layer 170 may be formed through a coating. Alternatively, the lower protective layer 170 may be bonded to the lower dielectric barrier layer 150 on which the lower ground electrode portion 160a is formed by thermal compression or adhesive.
  • the sterile film 100c may perform dielectric barrier discharge.
  • An anti-friction layer 122 may be disposed between the upper ground electrode layer 120 and the upper protective layer 110.
  • the anti-friction layer 122 can protect the film inside and can suppress the damage by an impact.
  • the anti-friction layer 122 may be made of polyethylene terephthalate or nylon.
  • the sterile film 100d may perform dielectric barrier discharge.
  • the lower passivation layer 170 may be embossed on a surface of the lower passivation layer 170 facing the lower ground electrode portion 160a. This may facilitate vacuum formation in a vacuum process for lowering the pressure inside the packaging container (see 10 in FIG. 1), and may facilitate plasma generation and increase plasma sterilization efficiency by securing a plasma generating space.
  • FIG. 4 is a cross-sectional view illustrating a packaging container including a sterilizing film according to an embodiment of the present invention.
  • the packaging container 10 seals the object to be processed using the packaging film 101.
  • a portion of the packaging film 101 may include a sterile film 100.
  • the sterilizing film 100 has a plate-shaped upper ground electrode portion 120a, an upper protective layer 110 disposed on the upper ground electrode portion 120a, and a plate-shaped middle disposed under the upper ground electrode portion 120a.
  • Lower ground electrode portion 160a of the porous screen structure disposed below the electrode portion 140a, the middle electrode portion 140a, the lower protective layer 170 disposed below the lower ground electrode portion 160a, and the upper ground electrode.
  • An upper dielectric barrier layer 130 disposed between the portion 120a and the intermediate electrode portion 140a and a lower dielectric barrier layer 150 disposed between the intermediate electrode portion 140a and the lower ground electrode portion 160a. do.
  • the packaging container 10 may include a packaging film 101 providing one surface of the packaging container 10 and a sterilizing film 100 that is combined with the packaging film 101 to form the other surface of the packaging container 10. . Edges of the sterilizing film 100 and the packaging film 101 may be fused by thermal compression. The sterilizing film 100 may receive power from an external power source to perform dielectric barrier discharge in the packaging container 10.
  • the packaging film 101 may include at least one of polyethylene, polypropylene, polystyrene, polyvinyl, and polyester.
  • the packaging film 101 may be composed of an inner layer (polypropylene) / intermediate layer (aluminum) / outer layer (polyester) in a retort pouch film structure.
  • the sterilization film 100 may include a sterilization area and a pad area, and the pad area may be disposed to protrude to the outside of the packaging container 10.
  • 5a to 5c are process conceptual views for explaining a method of manufacturing a sterilizing film according to an embodiment of the present invention.
  • an upper ground electrode portion (120a of FIG. 1C) having a thin plate shape on one surface thereof and an upper ground pad portion 120B of FIG. 1C may be electrically connected to the outside while being electrically connected to the upper ground electrode portion.
  • the upper protective layer 110 having the upper ground electrode layer 120 formed thereon is prepared.
  • the upper protective layer 110 may be formed of polyester.
  • the upper ground electrode layer 120 may be formed of copper or aluminum.
  • the upper ground electrode layer 120 may have a thickness in the range of 5 ⁇ m to 20 ⁇ m.
  • preparing the upper protective layer 110 having the upper ground electrode layer 120 further includes a frictional resistance layer (see 122 of FIG. 3C) between the upper ground electrode layer 120 and the upper protective layer 120. It may be to be laminated.
  • the upper dielectric barrier layer 130 is laminated on the upper ground electrode layer 120 of the upper protective layer 110.
  • the upper dielectric barrier layer 130 may be formed to include at least one selected from polytetrafluoroethylene, polyethylene, polypropylene, polystyrene, or polyester.
  • Upper dielectric barrier 130 may range from 30 ⁇ m to 300 ⁇ m.
  • the thickness of the upper dielectric barrier layer 130 may be about 100 ⁇ m.
  • a lower ground electrode layer 160 including 1c is prepared. Preparing the lower ground electrode layer 160 may be such that the diameter of the through hole of the porous screen structure has a range of 0.3 mm to 7 mm.
  • the lower ground electrode layer 160 may be formed to have the same planar outer circumferential shape as the upper ground electrode layer 120.
  • the lower ground electrode layer 160 may be formed of copper or aluminum.
  • the lower ground electrode layer 160 may have a thickness in the range of 5 ⁇ m to 20 ⁇ m.
  • a lower dielectric barrier layer 150 and a lower protective layer 170 are laminated on each of both surfaces of the lower ground electrode layer 160.
  • the lower dielectric barrier layer 150 may be formed to include at least one selected from polytetrafluoroethylene, polyethylene, polypropylene, polystyrene, or polyester.
  • the lower dielectric barrier layer 150 may have a thickness of 30 ⁇ m or more.
  • the lower protective layer 170 may be formed of polyflopropylene or polyethylene.
  • the surface of the lower protective layer 170 facing the lower ground electrode layer 160 may be embossed.
  • an intermediate electrode layer including a thin plate-shaped intermediate electrode portion (see 140a of FIG. 1C) and an intermediate pad portion (see 140b of FIG. 1C) may be electrically connected to the outside while being electrically connected to the intermediate electrode portion. 140 is ready. Preparing the intermediate electrode layer 140 may be performed by cutting to have a narrower planar area than the upper ground electrode layer 120 so as to have a structure completely covered by the upper ground electrode layer 120.
  • the intermediate electrode layer 140 may be formed of copper or aluminum.
  • the intermediate electrode layer 140 may have a thickness in the range of 5 ⁇ m to 20 ⁇ m.
  • the upper dielectric barrier layer 130 laminated on the upper ground electrode layer 120 and the lower dielectric barrier layer 150 laminated on the lower ground electrode layer 160 are laminated on each of both surfaces of the intermediate electrode layer 140.
  • the upper ground pad portion and the middle pad portion are formed to be spaced apart from each other so as not to face each other
  • the lower ground pad portion and the middle pad portion are formed to be spaced apart from each other so as not to face each other
  • the upper ground pad portion and the lower ground pad portion may be formed to be spaced apart from each other to face each other (see FIG. 2).
  • the laminating 130 may be performed using a laminator roller method or a stamp method.
  • the lamination 150 may be performed through the adhesive layers 125, 135, or 145.
  • the adhesive layers 125, 135 or 145 may include polystyrene.
  • FIG. 6 is a block diagram illustrating a power supply device applied to a packaging container including a sterilizing film according to an embodiment of the present invention.
  • the power supply 200 includes a power supply 210 for sterilizing and generating a plasma inside a packaging container (see 10 of FIG. 1C) including the above-described sterilizing film (see 100 of FIG. 1C).
  • Power supply 210 is supplied to the middle pad portion of the film (see 140b in FIG. 1c) and the upper ground pad portion (see 120b in FIG. 1c), or the middle pad portion and the lower ground pad portion (see 160c in FIG. 1c).
  • a closure including two power connection terminals 212 for applying and a heating means 222 for sealing the packaging container and a heat supply 220 for generating heat in the heating means 222. have.
  • One of the two power connection terminals 212 may connect the upper ground pad portion and the lower ground pad portion at a time.
  • the power supply device 200 may further include a vacuum unit for lowering the pressure inside the packaging container.
  • the vacuum unit may include a pump 240 that sucks air inside the packaging container through a thin pipe connected to the packaging container, and a filter 242 for purifying and discharging the air from the pump 240.
  • the pressure inside the packaging container may be 200 torr or less by the vacuum part.
  • the sealing part may seal the packaging container after the pressure inside the packaging container is lowered by the vacuum part.
  • the power supply 200 may further include a matcher 232 connected between the power supply 210 and the power connection terminals 212 and an impedance analyzer 230 connected to the power connection terminals 212.
  • Plasma may be stably generated inside the packaging container by the matcher 232 and the impedance meter 230.

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  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pest Control & Pesticides (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Packages (AREA)

Abstract

La présente invention concerne un film de stérilisation. Un film de stérilisation comprend : une couche d'électrode centrale qui présente une partie électrode centrale en forme de plaque mince et une partie support central raccordée électriquement à la partie électrode centrale et permettant le raccordement électrique à l'extérieur ; une couche barrière diélectrique supérieure et une couche barrière diélectrique inférieure qui présentent la couche d'électrode centrale intercalée entre elles et présentent une certaine flexibilité ; une couche d'électrode de mise à la terre supérieure qui est prévue sur une face supérieure faisant face à la face inférieure de la couche barrière diélectrique supérieure présentant la couche d'électrode centrale et présente une partie électrode de mise à la terre supérieure en forme de plaque et une partie support de mise à la terre supérieure raccordée électriquement à la partie électrode de mise à la terre supérieure et permettant le raccordement électrique à l'extérieur ; une couche d'électrode de mise à la terre inférieure qui est prévue sur une face inférieure faisant face à la face supérieure de la couche barrière diélectrique inférieure ayant la couche d'électrode centrale et présente une partie électrode de mise à la terre, présentant une structure de tamis poreux présentant une pluralité de trous traversants, et une partie support de mise à la terre partie inférieure raccordée électriquement à la partie électrode de mise à la masse inférieure et permettant le raccordement électrique à l'extérieur ; et une couche de protection inférieure qui recouvre la couche d'électrode de mise à la terre inférieure. La partie support central et la partie support de mise à la terre inférieur sont raccordés électriquement à une source d'alimentation externe et forment un plasma sur la périphérie de la structure de tamis poreux de la partie électrode de mise à la terre inférieure.
PCT/KR2016/005069 2015-05-13 2016-05-13 Film de stérilisation au plasma, contenant d'emballage de stérilisation et dispositif d'alimentation électrique appliqué à ceux-ci Ceased WO2016182384A1 (fr)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106552271A (zh) * 2016-12-02 2017-04-05 大连民族大学 等离子体手机消毒装置
GB2551890A (en) * 2016-05-11 2018-01-03 Agency Defense Dev Plasma generating apparatus
CN109603707A (zh) * 2018-12-26 2019-04-12 大连海事大学 一种ch4/co2低温直接合成c1-c4醇的装置及其合成方法
WO2019180257A1 (fr) * 2018-03-23 2019-09-26 Coldplasmatech Gmbh Applicateur de plasma
US12496456B2 (en) 2018-03-23 2025-12-16 Coldplasmatech Gmbh Plasma applicator

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102087619B1 (ko) * 2018-12-28 2020-03-11 한국기초과학지원연구원 포장 용기 내 국소적 플라즈마 방전을 위한 포장용기 및 이를 이용한 방전 살균 장치
KR102232445B1 (ko) * 2019-03-13 2021-03-26 한양대학교 산학협력단 살충 장치
KR102266926B1 (ko) * 2019-06-19 2021-06-18 한양대학교 산학협력단 폴리머 필름 가스화 유닛 및 이를 포함하는 살충 장치
KR102327261B1 (ko) * 2019-10-22 2021-11-17 한양대학교 산학협력단 살충 장치

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008183025A (ja) * 2007-01-26 2008-08-14 National Univ Corp Shizuoka Univ 包装物の滅菌方法及び滅菌装置
KR20100082614A (ko) * 2009-01-09 2010-07-19 포항공과대학교 산학협력단 대기압 플라즈마를 이용한 살균장치 및 그 제조방법
JP2012217761A (ja) * 2011-04-13 2012-11-12 Hitachi Ltd プラズマ滅菌装置
KR20130137369A (ko) * 2012-06-07 2013-12-17 한국식품연구원 대기압 플라즈마를 이용한 밀봉 포장식품의 살균방법 및 이에 의해 제조된 밀봉 포장식품
KR101492864B1 (ko) * 2013-10-08 2015-02-13 한국과학기술원 플라즈마 발생이 가능한 식품 포장재

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008183025A (ja) * 2007-01-26 2008-08-14 National Univ Corp Shizuoka Univ 包装物の滅菌方法及び滅菌装置
KR20100082614A (ko) * 2009-01-09 2010-07-19 포항공과대학교 산학협력단 대기압 플라즈마를 이용한 살균장치 및 그 제조방법
JP2012217761A (ja) * 2011-04-13 2012-11-12 Hitachi Ltd プラズマ滅菌装置
KR20130137369A (ko) * 2012-06-07 2013-12-17 한국식품연구원 대기압 플라즈마를 이용한 밀봉 포장식품의 살균방법 및 이에 의해 제조된 밀봉 포장식품
KR101492864B1 (ko) * 2013-10-08 2015-02-13 한국과학기술원 플라즈마 발생이 가능한 식품 포장재

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2551890A (en) * 2016-05-11 2018-01-03 Agency Defense Dev Plasma generating apparatus
GB2551890B (en) * 2016-05-11 2020-06-03 Agency Defense Dev Plasma generating apparatus
CN106552271A (zh) * 2016-12-02 2017-04-05 大连民族大学 等离子体手机消毒装置
WO2019180257A1 (fr) * 2018-03-23 2019-09-26 Coldplasmatech Gmbh Applicateur de plasma
CN112136366A (zh) * 2018-03-23 2020-12-25 冷等离子技术有限公司 等离子体施加器
US11582856B2 (en) 2018-03-23 2023-02-14 Coldplasmatech Gmbh Plasma applicator
CN112136366B (zh) * 2018-03-23 2024-04-09 冷等离子技术有限公司 等离子体施加器
US12496456B2 (en) 2018-03-23 2025-12-16 Coldplasmatech Gmbh Plasma applicator
CN109603707A (zh) * 2018-12-26 2019-04-12 大连海事大学 一种ch4/co2低温直接合成c1-c4醇的装置及其合成方法

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