WO2022182007A1 - 집진 및 탈취 기능을 갖는 공기청정필터 및 이의 제조방법 - Google Patents
집진 및 탈취 기능을 갖는 공기청정필터 및 이의 제조방법 Download PDFInfo
- Publication number
- WO2022182007A1 WO2022182007A1 PCT/KR2022/001464 KR2022001464W WO2022182007A1 WO 2022182007 A1 WO2022182007 A1 WO 2022182007A1 KR 2022001464 W KR2022001464 W KR 2022001464W WO 2022182007 A1 WO2022182007 A1 WO 2022182007A1
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- WO
- WIPO (PCT)
- Prior art keywords
- filter
- nonwoven fabric
- filter layer
- air
- layer
- 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
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- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
- B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
- B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
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- A61L9/00—Disinfection, sterilisation or deodorisation of air
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- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Definitions
- the present invention relates to an air purifying filter having dust collection and deodorization functions and a method for manufacturing the same. More specifically, the present invention relates to an air purifying filter having a dust collecting and deodorizing function in combination, a manufacturing method thereof, an air purifying filter for deodorizing used therein, and an air purifier including the same.
- Air purification devices such as air purifiers can provide fresh air by filtering polluting dust or harmful substances harmful to the human body, etc. contained in the air using various types of filter systems.
- various dust collection filters using filter media for removing particulate contaminants contained in gas are used.
- a filter media having a polytetrafluoroethylene membrane or a filter media using a non-woven fabric of a melt blown method are generally used.
- the filter system may be equipped with a deodorizing filter to remove odor components such as formaldehyde, toluene, and ammonia in the air.
- a deodorizing filter to remove odor components such as formaldehyde, toluene, and ammonia in the air.
- a filter medium that absorbs odor components by applying activated carbon on a nonwoven fabric of a thermal bond or spun bond method has been developed.
- the conventional composite air purifying filter implements dust collection and deodorization functions by simply combining a deodorizing filter layer using pellet-type activated carbon particles and a dust collecting filter layer using a melt blown nonwoven fabric.
- a deodorizing filter layer using pellet-type activated carbon particles
- a dust collecting filter layer using a melt blown nonwoven fabric.
- An object of the present invention is to provide an air purifying filter having excellent dust collection and deodorizing performance while realizing a low differential pressure, a manufacturing method thereof, and an air purifier including the same.
- An air purifying filter includes a bent filter media, the filter media comprising: a dust collecting filter layer including a first nonwoven fabric; a second nonwoven fabric and a deodorizing filter layer comprising activated carbon particles having a particle diameter smaller than a particle diameter of 150 mesh bonded to the second nonwoven fabric in an amount of 10 g/m 2 to 60 g/m 2 ; and a functional filter layer comprising a third nonwoven fabric and at least one gas adsorbent, wherein the dust collection filter layer, the deodorization filter layer and the functional filter layer are physically or chemically bonded together.
- a method of manufacturing an air purifying filter according to the present invention comprises the steps of: preparing a dust collecting filter layer including a first nonwoven fabric; Preparing a deodorizing filter layer by combining activated carbon particles having a particle diameter smaller than a particle diameter of 150 mesh in an amount of 10 g/m 2 to 60 g/m 2 to a second nonwoven fabric; manufacturing a functional filter layer comprising a third nonwoven fabric and at least one gas adsorbent; manufacturing a filter medium by physically or chemically laminating the dust collecting filter layer, the deodorizing filter layer, and the functional filter layer; and bending the filter medium.
- the air cleaning filter according to the present invention includes a nonwoven fabric and activated carbon particles bonded to the nonwoven fabric as a binder, wherein the nonwoven fabric has a basis weight of 30 g/m 2 to 80 g/m 2 spunbond or thermalbond type. a nonwoven fabric, wherein the activated carbon particles have a particle diameter smaller than a particle diameter of 150 mesh and are included in an amount of 10 g/m 2 to 60 g/m 2 , and the binder is an amount of 20 to 50 parts by weight based on 100 parts by weight of the activated carbon particles included as
- the present invention also provides an air purifier comprising the air purifying filter.
- the air cleaning filter according to the present invention includes a nonwoven fabric for dust collection and a nonwoven fabric bonded with activated carbon particles for deodorization, but by controlling the particle size and content of the activated carbon particles and laminating with a nonwoven fabric containing other gas adsorbents, dust collection and deodorization functions It is possible to implement a low differential pressure structure while simultaneously providing
- the air cleaning filter according to the present invention includes a deodorizing filter in which activated carbon particles having a smaller particle diameter are fixed to a nonwoven fabric as a binder than in the prior art, and can adsorb odor components such as toluene at a low differential pressure.
- the air purifying filter according to the present invention may further include one or more functional filter layers or metal catalyst layers depending on the components to be removed from the air, and may exhibit complex performance by stacking each layer in various orders.
- FIG. 1 is a perspective view of an air cleaning filter according to an embodiment of the present invention.
- FIG. 2 is a cross-sectional view and an enlarged view taken along line A-A' in FIG. 1 .
- FIG. 3 is a cross-sectional view taken along line B-B' in FIG. 2 .
- FIGS. 4 to 6 are cross-sectional views of filter media according to other embodiments.
- one component is formed above/under another component or connected or coupled to each other includes both the formation, connection, or coupling between these components directly or indirectly through another component.
- the criteria for the top/bottom of each component may vary depending on the direction in which the object is observed.
- FIG. 1 is a perspective view of an air cleaning filter according to an embodiment of the present invention
- FIG. 2 is a cross-sectional view taken along line A-A' in FIG. 1 and an enlarged view thereof
- FIG. 3 is B-B' in FIG. A cross-sectional view cut along a line is shown.
- the air cleaning filter 10 includes a bent filter media 100 , and the filter media 100 includes a dust collecting filter layer including a first nonwoven fabric. (130); a second nonwoven fabric and a deodorizing filter layer 120 comprising activated carbon particles having a particle diameter smaller than a particle diameter of 150 mesh bonded to the second nonwoven fabric in an amount of 10 g/m 2 to 60 g/m 2 ; and a functional filter layer 110 including a third nonwoven fabric and one or more gas adsorbents.
- the air cleaning filter includes a nonwoven fabric for dust collection and a nonwoven fabric combined with activated carbon particles for deodorization, by controlling the particle size and content of the activated carbon particles and laminating with the nonwoven fabric coated with other gas adsorbents, thereby collecting dust It is possible to implement a low differential pressure structure while simultaneously providing a deodorizing function and a deodorizing function.
- the air purifying filter may include a deodorizing filter layer in which activated carbon particles having a smaller particle diameter are bonded to a nonwoven fabric by a binder, thereby adsorbing odor components such as toluene at a low differential pressure.
- the air purifying filter according to an embodiment of the present invention can exhibit complex performance by adding one or more functional filter layers or metal catalyst layers according to the components to be removed from the air and stacking them in various orders.
- the air cleaning filter 10 may further include a metal catalyst layer 140 .
- the dust collecting filter layer includes a first nonwoven fabric.
- the first nonwoven fabric may be a melt blown nonwoven fabric.
- the basis weight of the first nonwoven fabric may be, for example, 20 g/m 2 to 40 g/m 2 , specifically 20 g/m 2 to 35 g/m 2 , more specifically 25 g/m 2 to 35 g It can be /m 2 .
- the basis weight of the first nonwoven fabric is within the preferred range, it may be more advantageous for a bending process for manufacturing a filter while achieving a high efficiency particulate air (HEPA) grade and securing durability.
- HEPA particulate air
- the first nonwoven fabric may be a melt blown type nonwoven fabric having a basis weight of 20 g/m 2 to 35 g/m 2 .
- the material of the first nonwoven fabric preferably has a melt index in a certain range, and the melt index is, for example, 800 g/10 min to 1,500 g/10 min at 265 °C, specifically 900 g at 265 °C. /10 min to 1,200 g/10 min, more specifically 950 g/10 min to 1,200 g/10 min. When it is within the range of the melt index, fairness and productivity at low temperatures may be further improved.
- the material of the first nonwoven fabric may be polypropylene, specifically polypropylene having a melt index of 800 g/10 min to 1,500 g/10 min at 265 °C.
- the dust collection filter layer contains microfibers with high collection efficiency even when the particle size of fine dust is several microns or less, it is possible to increase the removal efficiency of contaminants by removing particles smaller than the pores by using electrical charge, and the porosity is high. It can enable operation with a low differential pressure (pressure loss).
- the deodorizing filter layer includes a second nonwoven fabric and activated carbon particles having a particle diameter smaller than a particle diameter of 150 mesh bonded to the second nonwoven fabric in an amount of 10 g/m 2 to 60 g/m 2 .
- the material of the second nonwoven fabric may be a polymer resin having excellent heat resistance, and may include, for example, polyethylene terephthalate (PET).
- PET polyethylene terephthalate
- the second nonwoven fabric includes PET having excellent heat resistance, deterioration in performance after lamination due to heating can be minimized, and adhesion with an adjacent layer can be further improved.
- the basis weight of the second nonwoven fabric is, for example, 20 g/m 2 to 90 g/m 2 , specifically 30 g/m 2 to 80 g/m 2 , specifically 40 g/m 2 to 70 g/m 2 days can Within the above preferred range, it is possible to further improve the supportability, workability, bendability, high temperature processability and adhesion of the filter medium.
- the second nonwoven fabric may be a spunbond or thermalbond type nonwoven fabric having a basis weight of 30 g/m 2 to 80 g/m 2 .
- the sum of the basis weight of the first nonwoven fabric and the basis weight of the second nonwoven fabric may be 35 g/m 2 to 85 g/m 2 .
- the sum of the basis weight of the first nonwoven fabric and the basis weight of the second nonwoven fabric may be 40 g/m 2 to 80 g/m 2 or 50 g/m 2 to 80 g/m 2 .
- it may be advantageous to secure bendability and workability along with excellent durability.
- the activated carbon particles are obtained from coal or coconut shells and may function to adsorb and remove tobacco smoke, volatile organic compounds, and other odorous substances.
- the particle diameter of the activated carbon particles is advantageous in implementing excellent deodorization performance and low differential pressure by having a particle diameter smaller than a particle diameter of 150 mesh.
- the particle diameter of the activated carbon particles may be 150 mesh or less, 100 mesh or less, or 50 mesh or less, and 300 mesh or more, 250 mesh or more, or 200 mesh or more. have.
- the particle diameter of the activated carbon particles may be a particle diameter of 50 mesh to 300 mesh, a particle diameter of 100 mesh to 300 mesh, or a particle diameter of 150 mesh to 250 mesh.
- the particle diameter of the activated carbon particles exemplified above may be an average particle diameter.
- the surface area of the activated carbon particles is not particularly limited as long as it has physical or chemical properties suitable for the purpose of removing odors, but considering the applicability to fields such as air purifiers, about 1000 m 2 /g or more, preferably It may have a BET surface area of about 1000 to 1200 m 2 /g.
- the activated carbon particles may be bonded to the second nonwoven fabric by a binder.
- a binder for example, acrylic, polyurethane, or the like may be used.
- the amount of the binder used may be 10 parts by weight or more, 20 parts by weight or more, or 30 parts by weight or more, and 60 parts by weight or less, 50 parts by weight or less, or 40 parts by weight or less based on 100 parts by weight of the activated carbon particles. , preferably 20 to 50 parts by weight is good in terms of not increasing the differential pressure while fixing the activated carbon particles.
- the deodorizing filter layer can realize a low differential pressure structure while exhibiting an excellent deodorizing performance compared to a conventional deodorizing filter. Therefore, the deodorizing filter layer itself can be provided as an air cleaning filter differentiated from the conventional one.
- the deodorization filter layer includes a nonwoven fabric and activated carbon particles bonded to the nonwoven fabric as a binder, and the nonwoven fabric is a spunbond or thermalbond type nonwoven fabric having a basis weight of 30 g/m 2 to 80 g/m 2 ,
- the activated carbon particles have a particle diameter smaller than a particle diameter of 150 mesh and are included in an amount of 10 g/m 2 to 60 g/m 2
- the binder is included in an amount of 20 to 50 parts by weight based on 100 parts by weight of the activated carbon particles.
- the functional filter layer includes a third nonwoven fabric and at least one gas adsorbent.
- the material of the third nonwoven fabric may be a polymer resin having excellent heat resistance, and may include, for example, polyethylene terephthalate (PET).
- PET polyethylene terephthalate
- the basis weight of the third nonwoven fabric is, for example, 20 g/m 2 to 90 g/m 2 , specifically 30 g/m 2 to 80 g/m 2 , specifically 40 g/m 2 to 70 g/m 2 days can Within the above preferred range, it is possible to further improve the supportability, workability, bendability, high temperature processability and adhesion of the filter medium.
- the third nonwoven fabric may be a spunbond or thermalbond type nonwoven fabric having a basis weight of 30 g/m 2 to 80 g/m 2 .
- the functional filter layer may remove one or more types of gases according to the gas adsorbent included therein.
- the functional filter layer may remove at least one gas selected from the group consisting of ammonia, aldehydes, acetic acid, toluene, and terpenes.
- the gas adsorbent may include at least one selected from the group consisting of organic acids, inorganic acids, urea, silica, zeolite, and metal catalysts.
- the functional filter layer may include an organic acid or an inorganic acid to remove a basic gas such as ammonia gas.
- the functional filter layer may remove aldehydes including urea such as ethylene urea.
- the functional filter layer may simultaneously remove a basic gas and aldehydes including urea along with an organic acid or an inorganic acid.
- the content of the gas adsorbent in the functional filter layer may be 1 wt% or more, 2 wt% or more, or 5 wt% or more, and may also be 50 wt% or less, 30 wt% or less, or 20 wt% or less.
- the functional filter layer may include at least one selected from 2 wt% to 20 wt% of phosphoric acid for removing ammonia and 5 wt% to 30 wt% of ethyleneurea for removing aldehydes.
- the filter media may further include a metal catalyst layer, and the metal catalyst layer may include a fourth nonwoven fabric and a metal catalyst.
- the material of the fourth nonwoven fabric may be a polymer resin having excellent heat resistance, and may include, for example, polyethylene terephthalate (PET).
- PET polyethylene terephthalate
- the basis weight of the fourth nonwoven fabric is, for example, 20 g/m 2 to 90 g/m 2 , specifically 30 g/m 2 to 80 g/m 2 , specifically 40 g/m 2 to 70 g/m 2 days can Within the above preferred range, it is possible to further improve the supportability, workability, bendability, high temperature processability and adhesion of the filter medium.
- the metal catalyst layer may decompose and remove a gas difficult to adsorb and remove through the reaction of the metal catalyst.
- the gas removed by the metal catalyst layer may be at least one selected from the group consisting of formaldehyde, acetaldehyde, and acetic acid.
- the metal catalyst may be at least one selected from the group consisting of platinum, copper and manganese.
- the content of the metal catalyst in the metal catalyst layer may be, for example, 0.1 wt% to 2 wt%.
- the metal catalyst layer may include 0.1 wt% to 2 wt% of a platinum catalyst for removing formaldehyde gas.
- the metal catalyst layer may include 0.1 wt% to 2 wt% of a manganese catalyst for removing acetaldehyde gas.
- the filter media of the air cleaning filter according to the present invention may have various laminated configurations in which the above-described layers are physically or chemically laminated.
- the deodorizing filter layer and the dust collecting filter layer may be laminated adjacent to each other, and the functional filter layer may be laminated on the deodorizing filter layer or the dust collecting filter layer.
- the filter media 100 may have a functional filter layer 110 , a deodorizing filter layer 120 , a dust collecting filter layer 130 , and a metal catalyst layer 140 sequentially stacked.
- the filter media 101 may be one in which the functional filter layer 110 , the deodorization filter layer 120 , and the dust collection filter layer 130 are sequentially stacked.
- the filter medium 102 may be a deodorizing filter layer 120 , a dust collecting filter layer 130 , and a functional filter layer 110 sequentially stacked.
- the filter medium 103 may include a deodorizing filter layer 120 , a dust collecting filter layer 130 , a functional filter layer 110 , and a metal catalyst layer 140 sequentially stacked.
- the filter media may include two or more functional filter layers, and for example, an additional functional filter layer may be laminated on the surface of the dust collecting filter layer 130 in the filter media 101 of FIG. 4 .
- an additional functional filter layer may be laminated on the surface of the dust collecting filter layer 130 in the filter media 101 of FIG. 4 .
- the air purifying filter is used in an air purifier, and may be applied so that air flows in from the deodorizing filter layer and flows out to the dust collecting filter layer. Accordingly, even if the activated carbon particles included in the deodorizing filter layer are detached from the second nonwoven fabric by the flow of air, they may be collected in the dust collecting filter layer.
- the air cleaning filter according to the present invention may further include a housing of the filter medium. 1 and 2 , the air cleaning filter may include a housing 200 and a bent filter media 100 disposed inside the housing.
- the housing may serve as a frame for supporting the filter media, and may be assembled or molded so that the filter media is properly disposed and seated.
- the shape or structure of the housing may be arbitrarily set according to the purpose of use or the use environment.
- the material of the housing may be a material of a conventional housing used in an air purifying filter.
- a material of the housing at least one selected from the group consisting of acrylonitrile-butadiene-styrene copolymer (ABS), polypropylene (PP), paper, nonwoven fabric, polycarbonate (PC), and elastomer-based resin this can be used More specifically, ABS or PP may be used as the material of the housing, and among them, ABS that can easily secure dimensional accuracy and suppress deformation during use may be preferable.
- PET polyethylene terephthalate
- ABS polyethylene terephthalate
- the filter media may be disposed inside the housing after being molded.
- the air purifying filter according to the present invention may have excellent lifespan characteristics by realizing a low differential pressure while maintaining high removal efficiency of pollutants in the air.
- the differential pressure of the filter means the pressure difference between the upstream and downstream of the filter medium.
- the differential pressure of the filter gradually increases as time passes or as particles are collected in the filter. Therefore, the differential pressure of the filter is a major factor for determining the replacement time of the filter, and may be a measure for determining the life of the filter.
- the filter If the differential pressure of the filter is too low, the contaminant removal performance may be deteriorated. Conversely, if the differential pressure of the filter is too high, the lifespan of the filter may be shortened and power consumption may increase. Therefore, it is very advantageous for the filter to have a differential pressure within an appropriate range in order to simultaneously satisfy the high performance, low power and long life characteristics of the filter.
- the differential pressure of the air cleaning filter may be 40 Pa or more, 50 Pa or more, 60 Pa or more, or 70 Pa or more, and also 120 Pa or less, 110 Pa or more under the condition that the dust supply amount at a flow rate of 1 m/s is 50 g. or less, 100 Pa or less, or 90 Pa or less.
- the air cleaning filter may have a differential pressure of 60 Pa to 100 Pa when the dust supply amount at a flow rate of 1 m/s is 50 g.
- the air purifying filter has a temperature of 25° C., a humidity of 50%, a chamber size of 8 m 3 and an initial concentration of 10 ppm of the target gas.
- the removal rates for formaldehyde, toluene and ammonia are all 90 % or more.
- the air cleaning filter may have a removal rate of 93% or more for formaldehyde, a removal rate of 95% or more for toluene, and a removal rate of 97 for ammonia when the gas removal test of the above conditions is performed for 30 minutes. % or more.
- the air purifying filter can maintain 80% or more of removal rates for formaldehyde, toluene and ammonia even when the number of cigarettes is increased to 100 in the deodorization durability test of JEM1467:2009 conditions.
- the air cleaning filter maintains a removal rate of 95% or more for ammonia, so that the deodorization durability can be very excellent.
- the air cleaning filter has a dust collection efficiency of 99% or more, 99.5% or more, 99.6% or more, 99.7% or more, or 99.8% or more.
- a method of manufacturing an air purifying filter according to the present invention comprises the steps of: preparing a dust collecting filter layer including a first nonwoven fabric; Preparing a deodorizing filter layer by combining activated carbon particles having a particle diameter smaller than a particle diameter of 150 mesh in an amount of 10 g/m 2 to 60 g/m 2 to a second nonwoven fabric; manufacturing a functional filter layer comprising a third nonwoven fabric and at least one gas adsorbent; manufacturing a filter medium by physically or chemically laminating the dust collecting filter layer, the deodorizing filter layer, and the functional filter layer; and bending the filter medium.
- the first nonwoven fabric of the dust collecting filter layer may be manufactured using the material exemplified above, for example, by using polypropylene in a melt blown method to have a basis weight of 20 g/m 2 to 35 g/m 2 can be
- the deodorization filter layer may be prepared by combining activated carbon particles to a second nonwoven fabric using a binder, specifically, mixing the activated carbon particles with a binder and a solvent to prepare a dispersion, and then coating and drying the second nonwoven fabric to be prepared.
- 20 to 50 parts by weight of the binder may be used based on 100 parts by weight of the activated carbon particles.
- distilled water, purified water, etc. may be used in an amount of 200 to 500 parts by weight based on 100 parts by weight of the activated carbon particles.
- the coating may be performed by spraying the prepared dispersion on the second nonwoven fabric or immersing the second nonwoven fabric in the dispersion. Specifically, the coating may be performed by immersing the second nonwoven fabric in the dispersion for 3 to 10 seconds.
- the drying may be performed for 5 minutes to 10 minutes at a temperature of 50 °C to 70 °C.
- the functional filter layer may be prepared by coating one or more gas adsorbents on the third nonwoven fabric, and may be coated with the gas adsorbent and content exemplified above.
- Each of the second nonwoven fabric and the third nonwoven fabric may be manufactured using the materials exemplified above, for example, 30 g/m 2 to 80 g/m in a spun bond or thermal bond method using polyethylene terephthalate. It can be manufactured to have a basis weight of 2 .
- the lamination is performed in a physical or chemical manner, for example, the lamination may perform physical lamination through pressurization, or chemical lamination using an adhesive or hot melt.
- the hot melt for the lamination when using the hot melt for the lamination may be carried out at a temperature of 130 °C to 170 °C. More specifically, lamination using the hot melt may be performed at a temperature of 130 °C to 170 °C, 140 °C to 160 °C, or 150 °C to 170 °C.
- the amount of hot melt used may be 1 g/m 2 to 10 g/m 2 , 2 g/m 2 to 10 g/m 2 , or 3 g/m 2 to 8 g/m 2 .
- adhesion may be improved.
- the hot melt for example, acryl-based, polyolefin-based, polyester-based, polyamide-based, polyurethane-based, or the like may be used.
- the filter medium is bent.
- a large filtration area can reduce pressure loss, and the structure can be strengthened to improve durability and lifespan characteristics of the filter.
- the filter media 100 may be bent into a pleat shape using a rotary pleater or the like.
- the wrinkle shape may be a structure in which wrinkles are formed by bending.
- the shape of the wrinkle may be various, such as zigzag angular flexure or round flexure, and the shape and size of the wrinkle are not particularly limited.
- the height of the peak of the wrinkle may be 10 mm to 60 mm.
- the height of the peak may refer to the amplitude of the wrinkle, that is, the distance between the peak and the valley.
- the distance between the peaks may be 2 mm to 8 mm.
- the present invention provides an air purifier comprising the above-described air purifying filter.
- the air purifier may include a suction port for sucking polluted air; an outlet for discharging purified air; and a filter unit disposed between the suction port and the discharge port, wherein the filter unit includes the air cleaning filter described above.
- the air purifier may be provided with a suction port for sucking indoor air in the front, a discharge port for discharging purified air is formed at the upper portion, and a filter unit including the air cleaning filter may be provided therein.
- the air purifier may include a blower fan that sucks in the indoor air by rotational force and discharges the purified air back into the room. Air may be sucked into the front suction port by the blower fan and discharged through the upper discharge port.
- a discharge grill having a dense grid shape may be installed in the discharge port, and thus the user's body may not be injured by the rotating blower fan.
- the filter unit may further include an additional filter in addition to the air purifying filter, for example, a pre-filter for removing relatively large dust, mold, hair, pet hair, etc. which is constructed using an antibacterial material, and/or air It may further include a dehumidifying filter having a plurality of pores to remove moisture in it.
- an additional filter in addition to the air purifying filter, for example, a pre-filter for removing relatively large dust, mold, hair, pet hair, etc. which is constructed using an antibacterial material, and/or air It may further include a dehumidifying filter having a plurality of pores to remove moisture in it.
- Example 1 Manufacture of an air cleaning filter (compound filter)
- a first nonwoven fabric having a basis weight of about 27 g/m 2 was prepared by a melt blown method using a polypropylene (PP) resin.
- a second nonwoven fabric having a basis weight of about 55 g/m 2 was prepared by a spun bond method using a polyethylene terephthalate (PET) resin.
- a dispersion was prepared by mixing 100 parts by weight of coconut shell activated carbon having an average particle diameter of about 200 mesh, 40 parts by weight of a binder (acrylic polyol resin), and 400 parts by weight of a solvent (purified water). After immersing the second nonwoven fabric in the dispersion for 10 seconds, it was taken out and dried at a temperature of 60° C. for 10 minutes. As a result, a deodorizing filter layer coated with coconut shell activated carbon in an amount of about 35 g/m 2 was prepared on the second nonwoven fabric.
- PET polyethylene terephthalate
- a functional filter layer A was prepared by coating phosphoric acid in an amount of about 11% by weight on one third nonwoven fabric.
- a functional filter layer B was prepared by coating ethylene urea (2-imidazolidone) in an amount of about 17% by weight on the other third nonwoven fabric.
- the functional filter layer A / deodorization filter layer / dust collection filter layer / functional filter layer B were arranged in this order from the bottom so that the coated side faces upward, and lamination was performed at 150 ° C. using a polyolefin-based hot melt to obtain a filter medium.
- the filter media was pleated using a rotary pleater (DBWP-W700, DoubleWin) to have a peak height of 25 mm and a distance between the peaks of about 3.5 mm.
- the filter media was insert-molded inside the ABS housing using a molding machine (Filter Assy M/C, DoubleWin) to manufacture an air purifying filter.
- step (1) of Example 1 was repeated to prepare a dust collecting filter layer.
- a deodorizing filter layer containing pellet-type activated carbon particles in a net was prepared.
- An air purifying filter was prepared by simply combining the dust collecting filter layer and the deodorizing filter layer.
- Example 1 The procedure of Example 1 was repeated, but without the preparation of the functional filter layer of step (3), an air purifying filter in which a deodorizing filter layer and a dust collecting filter layer were laminated was prepared.
- Test Example 1 gas removal test (gas removel test)
- the gas removal test was performed under test conditions of a temperature of 25° C., a humidity of 50%, a chamber size of 8 m 3 and an initial concentration of 10 ppm of the target gas according to KACA002 132:2018 using the air cleaning filter of Example 1.
- the air cleaning filter of Example 1 showed a removal rate of 90% or more after 30 minutes for formaldehyde, toluene, and ammonia gas, and in particular, for ammonia gas, the highest of 99.9% after 30 minutes Removal rate was shown.
- the deodorization durability test was performed under the test conditions according to JEM1467:2009 using the air cleaning filter of Example 1.
- Example 1 The results are shown in FIG. 8 .
- the air cleaning filter of Example 1 showed a gradual decrease in the removal efficiency of formaldehyde, toluene, and ammonia gas as the number of cigarettes increased.
- the deodorization durability was evaluated as the best.
- the dust collection efficiency test was performed according to 42 CFR part 84 using NaCl particles using the air cleaning filter of Example 1.
- the pollutant concentration change test was performed according to KACA002 132:2018 using the air cleaning filter of Example 1.
- the differential pressure was measured while supplying dust while changing the flow velocity from 0.5 m/s to 1.25 m/s for ISO A2 dust.
- the measurement result of the differential pressure of the filter according to the amount of dust supplied is shown in FIG. 11 .
- the air cleaning filter of the present invention in which a deodorizing filter layer coated with fine activated carbon particles and a dust collecting filter layer are laminated. was measured to be smaller.
- the filter of Example 2 had a differential pressure of about 1 mmaq (about 9.8 Pa) lower than that of the filter of Comparative Example 1 when the dust supply amount was 50 g at a flow rate of 1 m/s.
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Abstract
Description
Claims (13)
- 절곡된 필터 여재를 포함하는 공기청정필터이며,상기 필터 여재는,제 1 부직포를 포함하는 집진 필터층;제 2 부직포 및 상기 제 2 부직포에 결합된 150 메쉬의 입경보다 작은 입경을 갖는 활성탄 입자를 10 g/m2 내지 60 g/m2의 양으로 포함하는 탈취 필터층; 및제 3 부직포 및 1종 이상의 가스 흡착제를 포함하는 기능성 필터층을 포함하고,상기 집진 필터층, 상기 탈취 필터층 및 상기 기능성 필터층은 물리적 또는 화학적으로 합지된, 공기청정필터.
- 제 1 항에 있어서,상기 제 1 부직포는 20 g/m2 내지 35 g/m2의 평량을 가지는 멜트블로운 타입의 부직포이고,상기 제 2 부직포 및 제 3 부직포는 각각 30 g/m2 내지 80 g/m2의 평량을 가지는 스펀본드 또는 써멀본드 타입의 부직포인, 공기청정필터.
- 제 1 항에 있어서,상기 기능성 필터층은 암모니아, 알데하이드류, 초산, 톨루엔 및 테르펜류로 이루어진 군에서 선택되는 1종 이상의 가스를 제거하고,상기 가스 흡착제는 유기산, 무기산, 우레아, 실리카, 제올라이트 및 금속 촉매로 이루어진 군에서 선택되는 적어도 1종을 포함하는, 공기청정필터.
- 제 1 항에 있어서,상기 기능성 필터층은암모니아를 제거하기 위한 2 중량% 내지 20 중량%의 인산 및 알데하이드류를 제거하기 위한 5 중량% 내지 30 중량%의 에틸렌우레아 중에서 1종 이상을 포함하는, 공기청정필터.
- 제 1 항에 있어서,상기 탈취 필터층 및 상기 집진 필터층이 서로 인접하여 적층되고,상기 기능성 필터층이 상기 탈취 필터층 또는 상기 집진 필터층 상에 적층되는, 공기청정필터.
- 제 5 항에 있어서,상기 공기청정필터는 공기청정기에 사용되며,공기가 상기 탈취 필터층으로부터 유입되어 상기 집진 필터층으로 유출되도록 적용되는, 공기청정필터.
- 제 1 항에 있어서,상기 필터 여재는 금속 촉매층을 더 포함하고,상기 금속 촉매층은 제 4 부직포 및 금속 촉매를 포함하는, 공기청정필터.
- 제 7 항에 있어서,상기 필터 여재는 상기 기능성 필터층, 상기 탈취 필터층, 상기 집진 필터층 및 상기 금속 촉매층이 순차적으로 적층된, 공기청정필터.
- 제 1 항에 있어서,상기 공기청정필터는 온도 25℃, 습도 50%, 챔버 사이즈 8 m3 및 대상가스의 초기 농도 10 ppm 조건의 가스 제거 시험을 30분 수행 시에,포름알데히드, 톨루엔 및 암모니아에 대한 제거율이 모두 90% 이상인, 공기청정필터.
- 부직포 및 상기 부직포에 바인더로 결합된 활성탄 입자를 포함하는 공기청정필터로서,상기 부직포는 30 g/m2 내지 80 g/m2의 평량을 갖는 스펀본드 또는 써멀본드 타입의 부직포이고,상기 활성탄 입자는 150 메쉬의 입경보다 작은 입경을 가지고 10 g/m2 내지 60 g/m2의 양으로 포함되며,상기 바인더는 상기 활성탄 입자 100 중량부를 기준으로 20 내지 50 중량부의 양으로 포함되는, 공기청정필터.
- 제 10 항에 있어서,상기 공기청정필터는 1 m/s 유속의 분진 공급량이 50 g일 때의 차압이 60 Pa 내지 100 Pa인, 공기청정필터.
- 제 1 항 내지 제 11 항 중 어느 한 항의 공기청정필터를 포함하는 공기청정기.
- 제 1 부직포를 포함하는 집진 필터층을 제조하는 단계;150 메쉬의 입경보다 작은 입경을 갖는 활성탄 입자를 제 2 부직포에 10 g/m2 내지 60 g/m2의 양으로 결합하여 탈취 필터층을 제조하는 단계;제 3 부직포 및 1종 이상의 가스 흡착제를 포함하는 기능성 필터층을 제조하는 단계;상기 집진 필터층, 상기 탈취 필터층 및 상기 기능성 필터층을 물리적 또는 화학적으로 합지하여 필터 여재를 제조하는 단계; 및상기 필터 여재를 절곡하는 단계를 포함하는, 공기청정필터의 제조방법.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
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| US18/546,822 US20240226790A9 (en) | 2021-02-26 | 2022-01-27 | Air-cleaning filter having dust collecting and deodorizing functions and preparation method therefor |
| JP2023551211A JP7777142B2 (ja) | 2021-02-26 | 2022-01-27 | 集塵及び脱臭機能を有する空気清浄フィルター及びその製造方法 |
| CN202280017002.4A CN116887902A (zh) | 2021-02-26 | 2022-01-27 | 具有集尘和除臭功能的空气净化过滤器及其制造方法 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2021-0026907 | 2021-02-26 | ||
| KR1020210026907A KR20220122887A (ko) | 2021-02-26 | 2021-02-26 | 집진 및 탈취 기능을 갖는 공기청정필터 및 이의 제조방법 |
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| JP (1) | JP7777142B2 (ko) |
| KR (1) | KR20220122887A (ko) |
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| WO (1) | WO2022182007A1 (ko) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117398971A (zh) * | 2023-11-24 | 2024-01-16 | 佛山市芯耀环保科技有限公司 | 一种空气净化材料 |
| DE102023121052A1 (de) * | 2023-08-08 | 2025-02-13 | Hengst Se | Mehrlagiges Filtermedium |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2026006831A1 (en) * | 2024-06-28 | 2026-01-02 | Merton Robert E | Air filter substrates |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002088635A (ja) * | 2000-05-15 | 2002-03-27 | Kang Na Hsing Enterprise Co Ltd | 複合不織布 |
| JP2003001028A (ja) * | 2001-06-22 | 2003-01-07 | Bridgestone Corp | フィルター材 |
| KR100812388B1 (ko) * | 2006-09-12 | 2008-03-11 | 한국생산기술연구원 | 유해가스 및 악취제거용 에어필터, 및 이의 제조방법 |
| KR101064959B1 (ko) * | 2010-03-12 | 2011-09-16 | 한국에너지기술연구원 | 가스터빈 및 압축기 유입공기 정화용 심층여과 에어필터 여재 및 이를 사용한 심층여과 에어필터 카트리지 |
| KR101937193B1 (ko) * | 2017-03-31 | 2019-01-14 | 주식회사 케이셀 | 입자상 물질과 가스상 물질을 동시에 제거하는 자동차 캐빈 에어필터용 복합 필터 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007038091A (ja) | 2005-08-02 | 2007-02-15 | Toray Ind Inc | エアフィルタ用濾材およびエアフィルタ |
| EP2206544B1 (en) * | 2007-09-28 | 2016-07-20 | Toray Industries, Inc. | Filtering medium |
| KR20100032659A (ko) | 2008-09-18 | 2010-03-26 | 웅진코웨이주식회사 | 공기 청정기용 필터 |
| US9943796B2 (en) * | 2009-03-26 | 2018-04-17 | Columbus Industries, Inc. | Multi layer pleatable filter medium |
| CN204816017U (zh) * | 2015-08-05 | 2015-12-02 | 陈巧玲 | 一种抗菌除醛的空气滤清器 |
| JP2018130711A (ja) | 2017-02-17 | 2018-08-23 | パナソニックIpマネジメント株式会社 | 濾材、フィルターおよび空気清浄機 |
| CN106861288A (zh) * | 2017-03-14 | 2017-06-20 | 广东美的环境电器制造有限公司 | 一种复合空气净化过滤结构及复合空气净化滤芯 |
| JP6894103B2 (ja) * | 2017-05-31 | 2021-06-23 | 住江織物株式会社 | 消臭フィルター及び該消臭フィルターを備えた空気清浄機 |
| WO2019084592A1 (en) * | 2017-11-03 | 2019-05-09 | Airsmart International Pty Ltd | An apparatus for handling air and system thereof |
| CN209564783U (zh) * | 2018-12-10 | 2019-11-01 | 郑州宝莲科技有限公司 | 一种多功能空气净化器 |
| KR101972584B1 (ko) * | 2019-02-20 | 2019-05-09 | 에어랩 주식회사 | 집진 및 탈취력이 개선된 차량용 필터 |
-
2021
- 2021-02-26 KR KR1020210026907A patent/KR20220122887A/ko active Pending
-
2022
- 2022-01-27 CN CN202280017002.4A patent/CN116887902A/zh active Pending
- 2022-01-27 WO PCT/KR2022/001464 patent/WO2022182007A1/ko not_active Ceased
- 2022-01-27 US US18/546,822 patent/US20240226790A9/en active Pending
- 2022-01-27 JP JP2023551211A patent/JP7777142B2/ja active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002088635A (ja) * | 2000-05-15 | 2002-03-27 | Kang Na Hsing Enterprise Co Ltd | 複合不織布 |
| JP2003001028A (ja) * | 2001-06-22 | 2003-01-07 | Bridgestone Corp | フィルター材 |
| KR100812388B1 (ko) * | 2006-09-12 | 2008-03-11 | 한국생산기술연구원 | 유해가스 및 악취제거용 에어필터, 및 이의 제조방법 |
| KR101064959B1 (ko) * | 2010-03-12 | 2011-09-16 | 한국에너지기술연구원 | 가스터빈 및 압축기 유입공기 정화용 심층여과 에어필터 여재 및 이를 사용한 심층여과 에어필터 카트리지 |
| KR101937193B1 (ko) * | 2017-03-31 | 2019-01-14 | 주식회사 케이셀 | 입자상 물질과 가스상 물질을 동시에 제거하는 자동차 캐빈 에어필터용 복합 필터 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102023121052A1 (de) * | 2023-08-08 | 2025-02-13 | Hengst Se | Mehrlagiges Filtermedium |
| CN117398971A (zh) * | 2023-11-24 | 2024-01-16 | 佛山市芯耀环保科技有限公司 | 一种空气净化材料 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116887902A (zh) | 2023-10-13 |
| JP2024508441A (ja) | 2024-02-27 |
| JP7777142B2 (ja) | 2025-11-27 |
| KR20220122887A (ko) | 2022-09-05 |
| US20240131462A1 (en) | 2024-04-25 |
| US20240226790A9 (en) | 2024-07-11 |
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