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WO2015111770A1 - Procédé de fabrication d'un filtre antibactérien utilisant un non-tissé et du charbon actif - Google Patents

Procédé de fabrication d'un filtre antibactérien utilisant un non-tissé et du charbon actif Download PDF

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Publication number
WO2015111770A1
WO2015111770A1 PCT/KR2014/000724 KR2014000724W WO2015111770A1 WO 2015111770 A1 WO2015111770 A1 WO 2015111770A1 KR 2014000724 W KR2014000724 W KR 2014000724W WO 2015111770 A1 WO2015111770 A1 WO 2015111770A1
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WO
WIPO (PCT)
Prior art keywords
activated carbon
antimicrobial
iodine
filter
copper
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/KR2014/000724
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English (en)
Korean (ko)
Inventor
이종길
허수형
강병록
박민영
류수민
김영규
김진구
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.)
BULLSONE MATERIAL Co Ltd
Original Assignee
BULLSONE MATERIAL Co Ltd
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.)
Filing date
Publication date
Application filed by BULLSONE MATERIAL Co Ltd filed Critical BULLSONE MATERIAL Co Ltd
Priority to CN201480073870.XA priority Critical patent/CN106413846A/zh
Priority to KR1020167023069A priority patent/KR101892290B1/ko
Priority to PCT/KR2014/000724 priority patent/WO2015111770A1/fr
Publication of WO2015111770A1 publication Critical patent/WO2015111770A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/0028—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions provided with antibacterial or antifungal means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/38—Removing components of undefined structure
    • B01D53/44—Organic components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04—Additives and treatments of the filtering material
    • B01D2239/0442—Antimicrobial, antibacterial, antifungal additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/0604—Arrangement of the fibres in the filtering material
    • B01D2239/0618—Non-woven
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/102—Carbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B01D2255/1021—Platinum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/104—Silver
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20761—Copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/90—Odorous compounds not provided for in groups B01D2257/00 - B01D2257/708
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/91—Bacteria; Microorganisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/06—Polluted air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/45—Gas separation or purification devices adapted for specific applications
    • B01D2259/4566—Gas separation or purification devices adapted for specific applications for use in transportation means

Definitions

  • the present invention relates to a method for producing an antimicrobial filter using a nonwoven fabric and activated carbon.
  • the air around the road and the air flowing into the car contain many types of particulate matter such as pollen, asbestos particles, heavy metals, bacteria, road dust, and various harmful meteorological substances such as ozone, benzene, and toluene.
  • Prolonged exposure to particles having a particle size of 0.3 ⁇ m or less of these particles causes skin allergies, respiratory diseases, eye diseases, kidney diseases, and the like.
  • the interior of the car is the worst place in the atmosphere, and when the fine particles that are generated and scattered while driving are accumulated in the car, it is not easy to remove these fine particles by the inflow of outside air or the opening of the car window. If the environment is poor, such as dirt roads, heavy traffic areas, the interior of the car may be more contaminated, causing discomfort to the driver and passengers as well as causing various diseases.
  • the present inventors have made an effort to develop filters for air purification and water purification that are excellent in antibacterial and antiviral effects and can remove harmful gases.
  • acid or base solutions copper / iodine, silver / iodine or platinum can be treated with activated carbon to produce antimicrobial activated carbon, which can be properly mixed and applied to nonwoven fabrics to provide excellent antibacterial and antiviral effects and effectively remove harmful gases.
  • the present invention has been completed by developing an antibacterial filter.
  • Another object of the present invention to provide an antibacterial filter produced by the above method.
  • the present invention provides a method for producing an antibacterial filter comprising the following steps.
  • the present invention provides an antimicrobial filter produced by the above method.
  • the present inventors have made efforts to develop filters for air purification and water purification, which are excellent in antibacterial and antiviral effects and can remove harmful gases.
  • Antimicrobial activated carbon was prepared by mixing in and mixed with appropriately and applied to nonwoven fabric to develop an antimicrobial filter that has excellent antibacterial and antiviral effects and can effectively remove harmful gases.
  • the antimicrobial filter of the present invention is manufactured using activated carbon and nonwoven fabric, and has an antibacterial, bactericidal and antiviral effect and can effectively remove various volatile organic compounds and harmful substances such as NOx, SOx, and toluene.
  • activated carbon includes (i) acid solution, (ii) base solution, (iii) copper (Cu) and iodine (I), (iv) silver (Ag) and iodine (I), and (v) platinum
  • acid solution includes (i) acid solution, (ii) base solution, (iii) copper (Cu) and iodine (I), (iv) silver (Ag) and iodine (I), and (v) platinum
  • Pt platinum
  • activated carbon that can be used in the present invention
  • various activated carbons in particulate, granular or fibrous form can be used.
  • particulate activated carbon coal-based or palm-based may be used, and in the case of fibrous activated carbon, it is preferable to use a PAN-based, pitch-based or rayon-based activated carbon fiber.
  • the acidic solution treated on activated carbon to prepare antimicrobial activated carbon includes sulfuric acid (H 2 SO 4 ), nitric acid (HNO 3 ), phosphoric acid (H 3 PO 4 ), hydrochloric acid (HCl), and the like, but is not limited thereto. It is not.
  • phosphoric acid (H 3 PO 4 ) or sulfuric acid (H 2 SO 4 ) is used.
  • the acidic solution is treated for 10 minutes to 6 hours and then washed three times with water three times the weight of activated carbon. After the water is removed, it is dried using various methods known in the art so that the moisture content is less than 10%.
  • the pH of the activated carbon after drying is in the range of 5.0-7.0, more preferably pH 6.0-7.0, most preferably pH 6.8-7.0.
  • the basic solution treated to activated carbon to prepare antibacterial activated carbon is potassium hydroxide (KOH) or sodium hydroxide (NaOH), but is not limited thereto.
  • KOH potassium hydroxide
  • NaOH sodium hydroxide
  • the basic solution is treated for 10 minutes to 6 hours and then washed three times with water three times the weight of activated carbon. After the water is removed, it is dried using various methods known in the art so that the moisture content is less than 10%.
  • the pH of the activated carbon after drying is in the range of 7.0-9.0, more preferably pH 7.0-8.0, most preferably pH 7.0-7.8.
  • Iodide on activated carbon to produce the antibacterial active carbon in the present invention potassium (KI), iodine (I 2), potassium iodate (KIO 3) and sodium periodate (NaIO 3) with the iodine at least one selected from the group consisting of a mixture
  • the solution in which the compound and the copper compound which is one or a mixture of two or more selected from copper sulfate (CuSO 4 ), copper nitrate (CuNO 3 ) and copper acetate (Cu (CH 3 COO) 2 ) is dissolved is treated. It is then washed with water and dried to obtain a copper / iodine impregnated antimicrobial activated carbon.
  • Preferred concentrations of the iodine compound in the solution in which the iodine compound and the copper compound are used for producing the antimicrobial activated carbon are 0.001 to 0.2 mol.
  • concentration of the iodine compound is less than 0.001 mole, the iodine ions in the solution do not sufficiently bond to the carbon surface, but only a small amount binds to the carbon surface, so that it is difficult to obtain a sufficient effect, and when the concentration of the iodine compound exceeds 0.2 mol Due to excessive adhesion of iodine, there is a problem that pores on the carbon surface are blocked and the adsorption specific surface area is reduced.
  • Preferred concentrations of the copper compound in the solution in which the iodine compound and the copper compound are used for producing the antibacterial activated carbon are 0.001 to 0.2 mol.
  • concentration of the copper compound is less than 0.001 mole, the formation of a copper-iodine reactor is difficult to be achieved, and when the concentration of the copper compound exceeds 0.2 mole, pores on the carbon surface due to excessive deposition of copper This clogging causes a problem that the adsorption specific surface area decreases.
  • iodine is at least one mixture selected from the group consisting of potassium iodide (KI), iodine (I 2 ), potassium iodide (KIO 3 ) and sodium iodide (NaIO 3 ) in the activated carbon to produce antimicrobial activated carbon.
  • the solution in which the compound is dissolved is then treated with a solution of silver nitrate (AgNO 3 ) or silver acetate (CH 3 COOAg) to the activated carbon. It is then washed with water and dried to obtain silver / iodine impregnated antimicrobial activated carbon.
  • the activated carbon When platinum is treated with activated carbon to produce antimicrobial activated carbon, the activated carbon is impregnated in 0.1%, 0.5% or 1% platinum solution, washed with water and dried to prepare platinum-impregnated antimicrobial activated carbon.
  • the five antimicrobial activated carbons obtained by treating the activated carbon with each of an acid solution, a base solution, platinum, silver / iodine and copper / iodine are mixed to be suitable for antibacterial and deodorizing functions.
  • none of the activated carbons (RAW carbon) is treated.
  • Their mixing ratio is not particularly limited at the level at which the mixed impregnated activated carbon has an antibacterial, antiviral and harmful gas removing effect.
  • the term 'impregnated activated carbon' means a mixture of antimicrobial activated carbon and a mixture of antimicrobial activated carbon and activated carbon.
  • the impregnated activated carbon of the present invention is 0.5-10% by weight of activated carbon relative to the total weight of the impregnated activated carbon, 20-70% by weight of acid or base solution treated antibacterial activated carbon, copper / iodine or silver / iodine treatment 10-60% by weight antimicrobial activated carbon and 1-20% by weight platinum treated antimicrobial activated carbon.
  • the impregnated activated carbon of the present invention is 0.5-7% by weight of activated carbon, 30-60% by weight of acid or base solution treated antimicrobial activated carbon, copper / iodine or silver / iodine treatment based on the total weight of impregnated activated carbon. 20-50% by weight antimicrobial activated carbon and 5-20% by weight platinum treated antibacterial activated carbon.
  • the impregnated activated carbon of the present invention comprises 2-5% by weight of activated carbon, 40-60% by weight of acid or base solution treated antimicrobial activated carbon, copper / iodine or silver / iodine treatment relative to the total weight of impregnated activated carbon. 30-40% by weight of antibacterial activated carbon and 8-15% by weight of platinum treated antibacterial activated carbon.
  • the antimicrobial agent applied to the nonwoven fabric may use various antimicrobial agents (or combinations thereof) known in the art, and may additionally mix the dye with the antimicrobial agent.
  • Filters of various colors can be prepared by mixing antimicrobial and dyeing agents and applying them to nonwoven fabrics.
  • the antimicrobial agent is applied by spraying or supporting method on 0.05% to 2.5% by weight of the nonwoven fabric with respect to the total weight of the nonwoven fabric. Preferably, it is applied in a supported manner.
  • the antimicrobial agent is applied to the nonwoven fabric and then dried using various drying methods known in the art. Preferably it is dried at high temperature for 30 minutes to 2 hours at a temperature of 70-90 °C.
  • Impregnated activated carbon is applied to a nonwoven fabric coated with an antimicrobial agent.
  • the adhesive is first applied to the nonwoven fabric and then the impregnated activated carbon is applied so that the impregnated activated carbon can be applied well to the nonwoven fabric.
  • acrylic resins, urethane resins NBR and SBR may be used, but the present invention is not limited thereto.
  • the amount of adhesive used to adhere the impregnated activated carbon to the nonwoven fabric is used at a minimum amount to prevent the voids between the pores and the nonwoven fabric of the impregnated activated carbon due to the use of the adhesive.
  • the ratio of impregnated activated carbon: adhesive is preferably in the range of 1: 0.1 to 0.5 by weight.
  • the amount of impregnated activated carbon applied to the nonwoven is 200 g to 250 g per m 2 of the nonwoven fabric.
  • the antimicrobial filter produced by the method of the present invention exhibits significant antimicrobial, antiviral and harmful gas removal effects.
  • the antibacterial filter of the present invention can be used as an air purifying filter and a water purifying filter, and preferably used as a vehicle air purifying filter.
  • the present invention provides a method for producing an antibacterial filter and an antibacterial filter produced by the method.
  • the antimicrobial filter of the present invention exhibits excellent antimicrobial, antiviral, harmful gas and odor removal effects.
  • the antimicrobial filter of the present invention can be used as an air purifying filter or a water purifying filter.
  • 1 is a flow chart for the antimicrobial filter manufacturing method of the present invention.
  • FIG. 2 is a flow chart of the modified manufacturing method of FIG.
  • Air purification filter having an antibacterial function was prepared according to the following method.
  • Acid or base solutions are treated to produce activated carbon with antimicrobial activity, or copper (Cu) / iodine (I), silver (Ag) / iodine (I) or platinum (Pt) is impregnated.
  • Activated carbon used in the production of antimicrobial activated carbon is selected from 20 * 40 mesh or 30 * 60 mesh of activated carbon in the form of granular or fibrous form.
  • the activated carbon is treated with at least one solution selected from acids, bases, alcohols and acetone for at least 10 minutes (10 minutes to 6 hours).
  • H 3 PO 4 , H 2 SO 4, etc. which are relatively easy to handle, are used, and the activated carbon is treated in a ratio of activated carbon in a ratio of 10: 1 to 2.
  • the acid solution is treated and washed three times with water three times the weight of activated carbon. Remove water and dry at 120 °C so that the moisture content is less than 10%.
  • the pH of activated carbon after drying ranges from 6.8-7.0.
  • Acid treated activated carbon shows an effective adsorption function on ammonia, trimethylamine, monomethylamine, etc., effectively for basic gases.
  • Base treated activated carbon exhibits an effective adsorption function for hydrogen sulfide, methyl mercaptan and the like effectively against acidic gas.
  • methyl alcohol, ethyl alcohol or isopropyl alcohol are used and 20 to 80% by weight of activated carbon is treated.
  • the alcoholic solution is treated and washed three times with water three times the weight of activated carbon. Remove water and dry at 120 °C so that the moisture content is less than 10%.
  • the activated carbon When platinum is attached to activated carbon, the activated carbon is supported in 0.1%, 0.5% or 1% platinum solution, washed with water and dried to prepare platinum-impregnated antimicrobial activated carbon. Platinum is deposited at a concentration of 0.01 to 0.05% by weight of water used in activated carbon.
  • Antibacterial activated carbon impregnated with an acid solution, a base solution, platinum, silver / iodine or copper / iodine is mixed to be suitable for antibacterial and deodorizing function.
  • non-adhesive activated carbon (RAW carbon) is used to enhance the deodorization of nonpolar gases.
  • the nonwoven fabric may use either a nonwoven fabric or a MB (Melt Brown) fabric.
  • the antimicrobial agent uses one or more of CDI's PE727, PG226, PG228, BKC50, TC130, PG303, PG311 and quaternary ammonium-based antimicrobial agents.
  • the antimicrobial solution is sprayed or supported by applying 0.1 to 1.5% (weight ratio to the weight of the nonwoven fabric) to 8 g / m 2 (nonwoven fabric).
  • the nonwoven fabric After surface treatment of the antimicrobial agent on the nonwoven fabric, the nonwoven fabric is wound on a roller. Due to the pressure wound on the roller, the antimicrobial solution applied to the nonwoven fabric is naturally removed, which reduces drying time and has a good influence on the use of pores of the nonwoven fabric. This is dried at 80 ° C. for 30 minutes to 1 hour.
  • the concentration of the antimicrobial agent is to prevent the pores of the nonwoven fabric as much as possible and the antimicrobial function with the antimicrobial function should be adjusted to a concentration of the antimicrobial agent: preferably in the range of 0.1%-0.5%.
  • the antivirality of the nonwoven fabric treated with the antimicrobial agent was evaluated as follows.
  • the virus After administering 0.2 ml of the virus solution containing 0.1% of tween 40 to the antimicrobial filter sample, the virus was eluted by mixing in 20 ml of MEM medium for 2 minutes after 18 hours. This solution determines the titer of the virus via plaque assay in MDCK cell line.
  • MDCK cell lines are incubated until confluent in multi-well plates (6 wells). Virus eluted from the sample was subjected to 10-fold step dilution to infect the MDCK cell line for 1 hour (the amount of the sample used for infection was 500 ⁇ l). At the end of infection, pour 2x DMEM medium and low melting agarose in half and pour over the cells to harden. Incubate for 3-4 days in a CO 2 incubator and stain with crystal violet to determine the number of plaques caused by virus infection.
  • This test was conducted by applying the existing fabric antimicrobial test method (KS K 0893) to the virus test as appropriate.
  • plaque assay was performed using MDCK cell lines susceptible to virus to measure the amount of viable virus of influenza virus. The concentration of virus used for this test was used at 5 x 10 7 pfu / ml. In this test, three repeated tests were performed on antimicrobial filters commissioned using five influenza viruses, and the test results were expressed as average values.
  • the antimicrobial filter 1 used in the antimicrobial filter preparation of the present invention showed a 97.3% reduction effect on the H3N2 virus, a 98.9% reduction effect on the H5 type virus, and a 99.9% or more virus reduction effect on the other three viruses. Indicated.
  • Antimicrobial treatment filter 2 showed more than 99.9% virus reduction in all 5 influenza viruses.
  • impregnated activated carbon 200 to 250 g is applied per m 2 of the nonwoven fabric coated with the antimicrobial agent. That is, the adhesive is applied to the nonwoven fabric to which the antimicrobial agent is applied, and then activated carbon is again applied to bond the activated carbon.
  • An adhesive is used to apply the impregnated activated carbon to the nonwoven fabric.
  • an adhesive an acrylic resin, a urethane resin, NBR, and SBR are used. Therefore, it is preferable to use it in the minimum amount.
  • the ratio of impregnated activated carbon: adhesive is preferably in the range of 1: 0.1 to 0.5 by weight.
  • the adhesive used here uses UNITANE-2370H and 2380T of Union Chemical Co., Ltd.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Filtering Materials (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

La présente invention concerne un procédé de fabrication d'un filtre antibactérien et un filtre antibactérien fabriqué par ce procédé. Le filtre antibactérien de la présente invention démontre de remarquables effets antibactériens et antiviraux, ainsi qu'en matière d'élimination des odeurs et des gaz toxiques. Le filtre antibactérien de la présente invention peut être utilisé en tant que filtre d'épuration de l'air ou de l'eau. En utilisant le filtre antibactérien de la présente invention, on peut faire barrage à diverses sources de contamination et éviter des maladies provoquées par la pénétration de microorganismes, de bactéries et de virus.
PCT/KR2014/000724 2014-01-24 2014-01-24 Procédé de fabrication d'un filtre antibactérien utilisant un non-tissé et du charbon actif Ceased WO2015111770A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201480073870.XA CN106413846A (zh) 2014-01-24 2014-01-24 利用无纺布及活性炭的抗菌过滤器的制备方法
KR1020167023069A KR101892290B1 (ko) 2014-01-24 2014-01-24 부직포 및 활성탄을 이용한 항균필터의 제조 방법
PCT/KR2014/000724 WO2015111770A1 (fr) 2014-01-24 2014-01-24 Procédé de fabrication d'un filtre antibactérien utilisant un non-tissé et du charbon actif

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2014/000724 WO2015111770A1 (fr) 2014-01-24 2014-01-24 Procédé de fabrication d'un filtre antibactérien utilisant un non-tissé et du charbon actif

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WO2015111770A1 true WO2015111770A1 (fr) 2015-07-30

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CN (1) CN106413846A (fr)
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WO2021034288A1 (fr) * 2019-08-22 2021-02-25 Mustafa Aksoy Procédé de production pour augmenter les capacités d'affinage de filtres à particules
EP3909664A1 (fr) * 2020-05-11 2021-11-17 Hamilton Sundstrand Corporation Systèmes de gestion de l'air des aéronefs pour désactiver les contaminants
US20220008854A1 (en) * 2020-07-09 2022-01-13 Carl Freudenberg Kg Antiviral filter medium

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CN107199034A (zh) * 2017-05-24 2017-09-26 黄丽英 可除甲醛的光触媒制品
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CN107213701A (zh) * 2017-06-05 2017-09-29 中国第汽车股份有限公司 一种含丁苯橡胶的车内空气净化用材料及其制备工艺
CN107262058A (zh) * 2017-06-05 2017-10-20 中国第汽车股份有限公司 一种含纳米二氧化钛的车内空气净化用材料及其制备工艺
CN107261745A (zh) * 2017-06-05 2017-10-20 中国第汽车股份有限公司 一种含pva车内空气净化用材料及其制备工艺
KR20210068165A (ko) * 2019-11-29 2021-06-09 방극진 방진 및 방사성 물질 방호용 마스크
CN112160162A (zh) * 2020-09-16 2021-01-01 江苏高玛防护器材有限公司 一种新型抗菌防尘防毒过滤件
CN113289453B (zh) * 2021-04-24 2022-01-04 深圳市华净科技有限公司 一种气态污染物一体净化装置

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