WO2022050676A1 - 폴리머 에어필터 및 그 제조방법 - Google Patents
폴리머 에어필터 및 그 제조방법 Download PDFInfo
- Publication number
- WO2022050676A1 WO2022050676A1 PCT/KR2021/011742 KR2021011742W WO2022050676A1 WO 2022050676 A1 WO2022050676 A1 WO 2022050676A1 KR 2021011742 W KR2021011742 W KR 2021011742W WO 2022050676 A1 WO2022050676 A1 WO 2022050676A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- polymer
- air filter
- micropores
- filter
- polymer air
- Prior art date
Links
- 229920000642 polymer Polymers 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 229920006254 polymer film Polymers 0.000 claims abstract description 18
- 239000000428 dust Substances 0.000 claims abstract description 17
- 230000035699 permeability Effects 0.000 claims abstract description 11
- 238000005530 etching Methods 0.000 claims abstract description 10
- 239000002861 polymer material Substances 0.000 claims abstract description 10
- 229920002120 photoresistant polymer Polymers 0.000 claims description 17
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 8
- 230000003068 static effect Effects 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 5
- 239000004642 Polyimide Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229920001721 polyimide Polymers 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 4
- 230000001678 irradiating effect Effects 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 229920003055 poly(ester-imide) Polymers 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 8
- 238000001914 filtration Methods 0.000 abstract description 7
- 239000002245 particle Substances 0.000 abstract description 6
- 239000010408 film Substances 0.000 description 22
- -1 polypropylene Polymers 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 206010013496 Disturbance in attention Diseases 0.000 description 1
- 206010015946 Eye irritation Diseases 0.000 description 1
- 206010019233 Headaches Diseases 0.000 description 1
- 206010028813 Nausea Diseases 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 208000002173 dizziness Diseases 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 231100000013 eye irritation Toxicity 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008693 nausea Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 235000019645 odor Nutrition 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
Images
Classifications
-
- 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
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
Definitions
- the present invention relates to an air filter and a method for manufacturing the same, and more particularly, by forming micropores having a predetermined pattern through etching on a polymer filter film, particles larger than the micropores do not pass through and air permeability is improved at the same time. It relates to a polymer air filter designed to improve and to a method for manufacturing the same.
- the air purifier or mask as described above must necessarily include an air filter for filtering fine dust.
- air filters that filter contaminants in the air contain more than 60% of harmful substances such as odors, volatile organic compounds and formaldehyde, and simple filters made of wire mesh or thin non-woven fabric that removes relatively large dust, dust, and hair.
- deodorizing filters that remove and high-performance HEPA filters that remove fine dust, cigarette smoke, bacteria, mold, pollen, etc.
- FIG. 1 is a view exemplarily showing a cross-section of a conventional air filter
- FIG. 2 is a plan view taken along line A-A of FIG. 1 .
- the conventional air filter 100 is simply manufactured in the form of a film 110 in which micropores 120 are formed.
- the micropores 120 have a predetermined horizontal width (y) and a vertical width (x) and are spaced apart from the adjacent micropores 120 by predetermined distances (z and w) in the horizontal and vertical directions.
- Such a conventional air filter 100 is configured to allow air to pass through but not to pass dust of a certain size or larger, so that the air permeability is proportional to the porosity of the micropores, and the performance of the filter to prevent fine dust from passing through is It is inversely proportional to the size of the micropores. In the case of such an air filter, as the size of the micropores 120 is made smaller, even smaller fine dust can be filtered out.
- the distances (z' and w') between the micropores and the micropores should be reduced as shown in FIG. 3 .
- a micropatterning process is required. In such a fine pattern process, in order to etch a filter film having a thickness of 10 ⁇ m or more, a photoresist having a thickness of 20 ⁇ m or more is required, which results in high cost. In addition, even with such a structure, it is still difficult to secure a sufficient porosity.
- the technical problem to be solved by the present invention is to form micropores in a polymer film through a dry process, but to change the shape of the pattern of micropores to maintain the minimum width of micropores, but to lengthen the micropores and micropores
- An object of the present invention is to provide a polymer air filter capable of improving air permeability while maintaining filter performance by filtering out particles larger than the minimum width of micropores by increasing the distance therebetween, and a method for manufacturing the same.
- the polymer air filter according to the present invention for achieving the above technical object includes a filter film made of a polymer material.
- the ratio of the long side and the long side is characterized in that 1:1 to 1:10.
- a polymer air filter according to the present invention for achieving the above technical problem is a metal plate having a plurality of micropores formed therein; and a filter film made of a polymer material formed on the metal plate.
- a method for manufacturing a polymer air filter according to the present invention for achieving the above technical problem is a polymer film attaching step of attaching a polymer film on a substrate; A photoresist coating step of applying a photoresist on the polymer film; an exposure step of irradiating light on the photoresist to form a pattern on the polymer film; and an etching step of etching the polymer film on which the pattern is formed to form micropores.
- the polymer air filter according to the present invention by using a polymer film filter in which micropores having a predetermined pattern are formed, negatively charged dust collides with the same negatively charged polymer film and is blown out by electrostatic repulsion. By filtering, there is an advantage in that fine dust can be efficiently removed.
- the minimum width of the micropores is maintained by changing the shape of the pattern of micropores formed in the polymer film, but the length of the micropores is lengthened and the length between the holes is increased. Particles larger than the minimum width are filtered out to improve the air permeability while maintaining the performance of the filter.
- a filter film made of a polymer material having a negative charge is formed on the upper part of the metal plate having a positive charge to strengthen the static electricity, and there is a more excellent effect in blocking moisture having both positive and negative charges.
- FIG. 1 is a view exemplarily showing a cross-section of a conventional air filter.
- FIG. 2 is a plan view taken along line A-A of FIG. 1 .
- FIG. 3 is a view showing a state in which the distance between the micropores is reduced in comparison with FIG. 2 .
- FIG. 4 is a view exemplarily showing a cross-section of a polymer air filter according to the present invention.
- FIG. 5 is a view exemplarily showing a plane of a polymer air filter according to an embodiment of the present invention as viewed along the line B-B of FIG. 4 .
- FIG. 6 is a view exemplarily showing a plan view of a polymer air filter according to another embodiment of the present invention as viewed along the line B-B of FIG. 4 .
- FIG. 7 is a view exemplarily showing a plane of a polymer air filter according to another embodiment of the present invention as viewed along the line B-B of FIG. 4 .
- FIG. 8 is a view showing a schematic configuration of a polymer air filter according to another embodiment of the present invention.
- FIG. 9 is a process flow diagram of a method for manufacturing a polymer air filter according to the present invention.
- FIG. 10 is a view for explaining the process steps of the manufacturing method of the polymer air filter according to the present invention.
- FIGS. 5 to 7 are views illustrating a plane of a polymer air filter according to an embodiment of the present invention as viewed along line BB of FIG. It is a drawing that represents
- the polymer air filter 400 according to the present invention includes a filter film 410 made of a polymer material. It can be seen that it is formed in a direction perpendicular to the direction.
- the filter film 410 is a polymer or any one selected from synthetic resin materials such as polyimide, polypropylene, polyethylene, polytetrafluorehylene, and polyvinyl chloride (PVC). It may be a thin film produced by using a mixture thereof as a raw material.
- synthetic resin materials such as polyimide, polypropylene, polyethylene, polytetrafluorehylene, and polyvinyl chloride (PVC). It may be a thin film produced by using a mixture thereof as a raw material.
- the electrostatic properties are excellent, and the negatively charged particles such as dust contained in the air are blown out by the electrostatic repulsive force and filtered, thereby effectively removing fine dust. can do.
- the ratio of the short side to the long side of the plurality of micropores 420 of the polymer air filter 400 according to the present invention is characterized in that 1:1 to 1:10.
- the present invention increases the length of the width (y) while maintaining the minimum length of the width (x) of the micropores and lengthens the lengths (z and w) between the micropores and the micropores, thereby increasing the minimum width (x) of the micropores ) is characterized in that the air permeability is improved while maintaining the filter performance by filtering out larger particles.
- the length (x) of the short side corresponding to the width of the micropore is preferably 1 ⁇ m to 10 ⁇ m
- the length of the long side (y) corresponding to the width of the micropore is preferably 1 ⁇ m to 100 ⁇ m.
- the length of the long side (y) corresponding to the width of the micropore is too short, there is a problem in that sufficient air permeability cannot be secured.
- the length of the long side (y) exceeds 100 ⁇ m, there is a problem that the air filter itself does not secure sufficient rigidity may be torn.
- the shortest distance z between any one of the plurality of micropores 420a1 arranged in the horizontal direction and the other adjacent micropore 420a2 is 3 ⁇ m to 20 ⁇ m.
- the shortest distance w between any one of the plurality of micropores arranged in the vertical direction and the adjacent other micropore 420b1 is 3 ⁇ m to 20 ⁇ m.
- the thickness (t) of the filter film 410 for improving the air permeability while maintaining the performance of the filter is preferably 10 ⁇ m to 100 ⁇ m.
- the thickness of the filter film 410 is 10 ⁇ m or less, sufficient rigidity cannot be ensured, and the film may be torn in the process of an etching process or the like.
- the thickness of the filter film 410 exceeds 100 ⁇ m, there is a problem that not only the cost of the filter film itself is high, but also a lot of time and money are required for the etching process.
- the polymer air filter according to the present invention can secure a porosity of at least 25% or more.
- any one micropore 420a1 disposed in the vertical direction among the plurality of micropores is adjacent to the other micropore.
- the holes 420b1 are disposed at positions corresponding to each other in the vertical direction.
- any one of the micropores 420a1 disposed in the horizontal direction and the other micropore 420a2 adjacent to each other are disposed at positions corresponding to each other in the horizontal direction.
- FIG. 6 is a view exemplarily showing a plan view of a polymer air filter according to another embodiment of the present invention as viewed along the line B-B of FIG. 4 .
- any one micropore 420a1 disposed in the vertical direction among the plurality of micropores is adjacent to the other micropore. It can be seen that 420b1 is disposed to be shifted from each other, and another fine hole 420c1 adjacent to the other microhole 420b1 is also shifted from each other.
- a plurality of microholes 420a1 , 420b1 , 420c1 ... arranged in a vertical direction are staggered from each other in a vertical direction and arranged in a zigzag manner.
- FIG. 7 is a view exemplarily showing a plane of a polymer air filter according to another embodiment of the present invention as viewed along the line B-B of FIG. 4 .
- any one micropore 420a1 disposed in the vertical direction among the plurality of micropores is adjacent to another micropore. It can be seen that the holes 420a2 are displaced from each other, and the other microholes 420a3 adjacent to the fine hole 420a2 are also displaced from each other.
- FIG. 8 is a view showing a schematic configuration of a polymer air filter according to another embodiment of the present invention.
- a polymer air filter 800 according to another embodiment of the present invention includes a metal plate 810 and a filter film 820 .
- a plurality of fine holes 811 are formed in the metal plate 810 in a horizontal direction and a vertical direction. At this time, the metal plate 810 has positive static electricity.
- the filter film 820 is formed on the metal plate 810 and made of a polymer material such as polyester or polyimide. At this time, the filter film 820 has a negative static electricity.
- the polymer air filter 800 according to another embodiment of the present invention has a structure in which a metal plate 810 having positive static electricity and a filter film 820 having negative static electricity are combined. It shows a better effect in blocking
- the above-described polymer air filter according to another embodiment of the present invention may be variously applied for a mask or for industrial purposes.
- FIG. 9 is a process flow chart of a method for manufacturing a polymer air filter according to the present invention
- FIG. 10 is a view for explaining the process steps of the method for manufacturing a polymer air filter according to the present invention.
- the method for manufacturing a polymer air filter according to the present invention includes a polymer film attaching step (S100), a photoresist application step (S200), an exposure step (S300), an etching step (S400), and a photoresist A removal step (S500) and a cleaning step (S600) are included.
- a polymer filter film 20 is attached on the substrate 10 .
- the filter film is any one polymer selected from synthetic resin materials such as polyimide, polypropylene, polyethylene, polytetrafluorehylene, and polyvinyl chloride (PVC) or a mixture thereof It may be a thin film produced by using as a raw material.
- a photoresist 30 is applied on the polymer film 20 .
- the thickness of the applied photoresist varies depending on the thickness of the filter film 20 and is preferably about 20 ⁇ m to 50 ⁇ m.
- a pattern is formed on the filter film by irradiating light on the photoresist 30 .
- the filter film 20 on which the pattern is formed is etched to form micropores in the polymer film 20 .
- a cleaning step (S600) of removing the substrate and cleaning the polymer film is performed to manufacture a polymer air filter according to the present invention.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
- Electrostatic Separation (AREA)
Abstract
Description
Claims (18)
- 폴리머 재질의 여과 필름을 포함하며,상기 여과 필름에는 직사각형 형상의 복수 개의 미세구멍이 수평 방향과 수직 방향으로 형성되고,상기 미세구멍의 단변과 장변의 비율은 1:1 내지 1:10인 것을 특징으로 하는 폴리머 에어필터.
- 제 1항에 있어서,상기 미세구멍의 단변의 길이는 1㎛ 내지 10㎛인 것을 특징으로 하는 폴리머 에어필터.
- 제 1항에 있어서,상기 복수 개의 미세구멍 중 상기 수평 방향으로 배치된 어느 하나의 미세구멍과 인접한 다른 하나의 미세구멍 사이의 최단 거리는 3㎛ 내지 20㎛인 것을 특징으로 하는 폴리머 에어필터.
- 제 1항에 있어서,상기 복수 개의 미세구멍 중 상기 수직 방향으로 배치된 어느 하나의 미세구멍과 인접한 다른 하나의 미세구멍 사이의 최단 거리는 3㎛ 내지 20㎛인 것을 특징으로 하는 폴리머 에어필터.
- 제 1항에 있어서,상기 복수 개의 미세구멍 중 상기 수직 방향으로 배치된 어느 하나의 미세구멍과 인접한 다른 하나의 미세구멍은 서로 대응되는 위치에 배치되며,상기 복수 개의 미세구멍 중 상기 수평 방향으로 배치된 어느 하나의 미세구멍과 인접한 다른 하나의 미세구멍은 서로 대응되는 위치에 배치된 것을 특징으로 하는 폴리머 에어필터.
- 제 1항에 있어서,상기 복수 개의 미세구멍 중 상기 수직 방향으로 배치된 어느 하나의 미세구멍과 인접한 다른 하나의 미세구멍은 서로 어긋나게 배치된 것을 특징으로 하는 폴리머 에어필터.
- 제 1항에 있어서,상기 복수 개의 미세구멍 중 상기 수평 방향으로 배치된 어느 하나의 미세구멍과 인접한 다른 하나의 미세구멍은 서로 어긋나게 배치된 것을 특징으로 하는 폴리머 에어필터.
- 제 1항에 있어서,상기 폴리머 에어필터는 음전하의 정전기를 갖는 것을 특징으로 하는 폴리머 에어필터.
- 제 1항에 있어서,상기 폴리머 에어필터는 25% 이상의 공기 투과율을 갖는 것을 특징으로 하는 폴리머 에어필터.
- 제 1항에 있어서,상기 여과 필름의 두께는 10㎛ 내지 100㎛인 것을 특징으로 하는 폴리머 에어필터.
- 복수 개의 미세구멍이 형성된 금속판; 및상기 금속판 상부에 형성된 폴리머 재질의 여과 필름;을 포함하는 것을 특징으로 하는 폴리머 에어필터.
- 제 11항에 있어서, 상기 복수 개의 미세구멍은수평 방향과 수직 방향으로 형성된 것을 특징으로 하는 폴리머 에어필터.
- 제 11항에 있어서,상기 여과필름의 재질은 폴리에스테르 또는 폴리이미드 등의 폴리머 필릉이고,상기 금속판의 재질은 알루미늄인 것을 특징으로 하는 폴리머 에어필터.
- 제 11항에 있어서,상기 금속판은 양전하의 정전기를 갖고,상기 여과 필름은 음전하의 정전기를 갖는 것을 특징으로 하는 폴리머 에어필터.
- 제 11항에 있어서, 상기 폴리머 에어필터는수분 및 먼지를 차단하는 것을 특징으로 하는 폴리머 에어필터.
- 제 11항에 있어서, 상기 복수 개의 미세구멍의 크기는100㎛ 내지 1cm인 것을 특징으로 하는 폴리머 에어필터.
- 기판 위에 폴리머 재질의 여과 필름을 부착하는 여과 필름 부착단계;상기 여과 필름 위에 포토레지스트를 도포하는 포토레지스트 도포 단계;상기 포토레지스트 위에 광을 조사하여 상기 폴리머 필름에 패턴을 형성하는 노광단계; 및상기 패턴이 형성된 여과 필름을 식각하여 미세구멍을 형성하는 식각단계;를 포함하는 것을 특징으로 하는 폴리머 에어필터의 제조방법.
- 제 17항에 있어서,상기 포토레지스트를 제거하는 포토레지스트 제거 단계; 및상기 여과 필름을 클리닝하는 클리닝 단계;를 더 포함하는 것을 특징으로 하는 폴리머 에어필터의 제조방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2023501792A JP2023540670A (ja) | 2020-09-03 | 2021-09-01 | ポリマーエアフィルタおよびその製造方法 |
CN202180056652.5A CN116322933A (zh) | 2020-09-03 | 2021-09-01 | 聚合物空气过滤器及其制造方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020200112358A KR102373588B1 (ko) | 2020-09-03 | 2020-09-03 | 폴리머 에어필터 및 그 제조방법 |
KR10-2020-0112358 | 2020-09-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022050676A1 true WO2022050676A1 (ko) | 2022-03-10 |
Family
ID=80782920
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2021/011742 WO2022050676A1 (ko) | 2020-09-03 | 2021-09-01 | 폴리머 에어필터 및 그 제조방법 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP2023540670A (ko) |
KR (1) | KR102373588B1 (ko) |
CN (1) | CN116322933A (ko) |
WO (1) | WO2022050676A1 (ko) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003526497A (ja) * | 1999-12-08 | 2003-09-09 | バクスター・インターナショナル・インコーポレイテッド | 微小多孔性フィルター膜、微小多孔性フィルター膜を作製するための方法、および微小多孔性フィルター膜を使用する分離器 |
KR100534089B1 (ko) * | 2005-01-25 | 2005-12-06 | 조용수 | 공기 정화용 금속필터 |
KR20110134630A (ko) * | 2010-06-09 | 2011-12-15 | 이정환 | 공기청정필터 |
WO2018090280A1 (en) * | 2016-11-17 | 2018-05-24 | 3M Innovative Properties Company | Air filter comprising skip-slit, sorbent-loaded filter media |
KR20190138269A (ko) * | 2018-06-04 | 2019-12-12 | 김지안 | 정전기를 이용한 에어필터 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06207561A (ja) * | 1992-11-11 | 1994-07-26 | Amosu:Kk | 自動車用エアーフィルター |
KR101198923B1 (ko) * | 2012-10-10 | 2012-11-07 | 주식회사 랩죤 | 나노복합필터, 이를 제조하는 방법 및 이를 구비한 공기정화장치 |
KR101724403B1 (ko) * | 2015-12-18 | 2017-04-10 | 주식회사 지에스알코퍼레이션 | 먼지 필터링 장치 및 이를 포함하는 청소기 |
-
2020
- 2020-09-03 KR KR1020200112358A patent/KR102373588B1/ko active IP Right Grant
-
2021
- 2021-09-01 JP JP2023501792A patent/JP2023540670A/ja active Pending
- 2021-09-01 CN CN202180056652.5A patent/CN116322933A/zh active Pending
- 2021-09-01 WO PCT/KR2021/011742 patent/WO2022050676A1/ko active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003526497A (ja) * | 1999-12-08 | 2003-09-09 | バクスター・インターナショナル・インコーポレイテッド | 微小多孔性フィルター膜、微小多孔性フィルター膜を作製するための方法、および微小多孔性フィルター膜を使用する分離器 |
KR100534089B1 (ko) * | 2005-01-25 | 2005-12-06 | 조용수 | 공기 정화용 금속필터 |
KR20110134630A (ko) * | 2010-06-09 | 2011-12-15 | 이정환 | 공기청정필터 |
WO2018090280A1 (en) * | 2016-11-17 | 2018-05-24 | 3M Innovative Properties Company | Air filter comprising skip-slit, sorbent-loaded filter media |
KR20190138269A (ko) * | 2018-06-04 | 2019-12-12 | 김지안 | 정전기를 이용한 에어필터 |
Also Published As
Publication number | Publication date |
---|---|
JP2023540670A (ja) | 2023-09-26 |
KR102373588B1 (ko) | 2022-03-11 |
CN116322933A (zh) | 2023-06-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2016195287A1 (ko) | 흡착 멤브레인이 내장된 마스크 | |
WO2019177289A1 (ko) | 정전기적 포집과 물리적 포집을 동시 적용하여 미세먼지를 차단하는, 가시광선 투과성 및 고내구성의 다층구조 평면 필터 및 이의 제조방법 | |
CA2386778A1 (en) | Electrofiltration apparatus | |
WO2022145604A1 (ko) | 나노섬유를 이용한 세척가능한 미세먼지필터 모듈 | |
KR20050054967A (ko) | 고효율 ashrae 필터 매체 | |
KR101998692B1 (ko) | 활성탄소 이용 정전 에어 필터 및 그 제조 방법 | |
WO2020256322A1 (ko) | 습식 공기청정기 | |
CN1753717A (zh) | 空气清洁过滤器 | |
WO2017111317A1 (ko) | 나노섬유 복합 섬유사를 이용한 카트리지 필터 및 그 제조방법 | |
WO2022050676A1 (ko) | 폴리머 에어필터 및 그 제조방법 | |
WO2021137422A1 (ko) | 캐빈필터 유닛 | |
WO2020171357A1 (ko) | 집진 및 탈취력이 개선된 차량용 필터 | |
KR101974880B1 (ko) | 창문용 털필터 공기정화기 | |
JPH026887A (ja) | 空気層流による有害物質の除去方法及びその装置 | |
WO2022255601A1 (ko) | 3차원 격자구조를 가진 미세입자 포집 필터 | |
WO2019221334A1 (ko) | 극세사를 구비한 필터장치 | |
KR20180001800A (ko) | 개량형 공기 청정 필터 | |
WO2020067671A1 (ko) | 이물질 포집장치 및 이를 포함하는 전기강판 제조설비 | |
KR200338240Y1 (ko) | 영구정전기 나노필터를 이용한 감염방지마스크 | |
KR20180034352A (ko) | 개량형 공기 청정 필터 | |
WO2018233113A1 (zh) | 一种具有微孔过滤膜的口罩 | |
JP2002195618A (ja) | 厨房排気装置 | |
KR102153380B1 (ko) | 미세먼지 차단용 필터 제조 방법 | |
KR20200083066A (ko) | 창호용 섬유재 광 촉매 에어필터 제조방법 및 그 제품 | |
KR100402559B1 (ko) | 열가소성 합성수지를 이용한 다공성 집진/집수장치필터 및그 제조방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 21864636 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2023501792 Country of ref document: JP Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
32PN | Ep: public notification in the ep bulletin as address of the adressee cannot be established |
Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205 DATED 26/04/2023) |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 21864636 Country of ref document: EP Kind code of ref document: A1 |