KR102357847B1 - Air Cleaning Filter - Google Patents

Abstract

The present invention relates to an air purifying filter with improved efficiencies such as filtration, sterilization, and dehumidification by attaching a mixed solution of a porous material with a polymer solution to the fabric. Specifically, a porous material having a plurality of microporous holes formed therein A polymer solution formed by dissolving a polymer powder, a mixed solution formed by mixing a porous material and the polymer solution, and a mixed solution are attached to one surface, and are formed on the fabric and polymer powder formed by bending in a zigzag, the total amount of the polymer powder The non-electrolyte polymer and the non-electrolyte polymer, which are formed in an amount of 10 parts by weight or less, and the non-electrolyte polymer are mixed, and the content of the electrolyte polymer and the porous material formed in 90 parts by weight or more based on the total weight of the polymer powder is the total weight of the mixed solution. with respect to 0.5 to 95 parts by weight.

Description

Air Cleaning Filter

The present invention relates to an air purifying filter with improved efficiencies such as filtration, sterilization, and dehumidification by attaching a mixed solution obtained by mixing a porous material with a polymer solution to a fabric.

Patent Document 001 is an antibacterial agent comprising a metal-organic framework (MOF), wherein the MOF is at least one metal ion selected from the group consisting of Zn, Co, Al, and Zr, imidazole, and alkylimida. A technology including at least one organic ligand selected from the group consisting of sol (alkylimidazole), alkoxyimidazole (alkoxyimidazole), terephthalic acid, and aminoterephthalic acid is provided.

Patent Document 002 discloses that a polymer filter includes a container body having a polymer inlet and an opening, a lid attached to the opening of the container body, and a polymer that is disposed in the container body and flows into the container body from the polymer inlet. A plurality of disk-shaped filter elements for filtering and discharging from the inner peripheral hole portion, one end is fixed to the cover portion, and inserted into the inner peripheral hole portion of the filter element to support the plurality of filter elements in a stacked state; A center pole having an internal flow path for discharging the polymer flowing in from the inner peripheral hole to the outside of the container body, and a pressing part attached to the other end of the center pole and pressing the plurality of filter elements together with the cover part technology is presented.

Patent Document 003 includes the steps of preparing a MOF (Metal Organic Framework) adsorbent; drying the MOF adsorbent at a high temperature in a vacuum; Drying the porous zeolite-based adsorbent in a vacuum at a high temperature; pulverizing the dried MOF adsorbent to a size of 30 to 50% of the original particle size; mixing the dried zeolite-based adsorbent and the dried and pulverized MOF adsorbent; high-temperature aging the mixed adsorbent; and mixing and stirring the high temperature aged adsorbent, a solvent, and a binder to prepare a gel-type adsorption tower coating solution.

Patent Document 004 discloses that in the carbon fiber-metal organic structure composite, the metals are zinc (Zn), copper (Cu), nickel (Ni), cobalt (Co), iron (Fe), iron (Mn), chromium (Cr). , cadmium (Cd), magnesium (Mg), calcium (Ca), zirconium (Zr), gadolinium (Gd), europium (Eu), containing at least one selected from the group consisting of terbium (Tb), the organic ligand is 2-methylimidazole, ethanedioic acid, propanedioic acid, butanedioicacid, pentanedioic acid, o-phthalic acid (o-) phthalic acid), m-phthalic acid (m-phthalic acid), p-phthalic acid (pphthalicacid), 2-hydroxy-1,2,3-propanetricarboxylic acid (2-hydroxy-1,2,3-propanetricarboxylic acid) ), benzene-1,3,5-tricarboxylic acid, 1H-1,2,3-triazole (1H-1,2,3-triazole), 1H -1,2,4-triazole (1H1,2,4-triazole) and 3,4-dihydroxy-3-cyclobutene-1,2-dione (3,4-dihydroxy-3-cyclobutene-1, 2-dione) presents a technique comprising at least one selected from the group consisting of.

KR 10-2019-0013629 A (February 11, 2019) KR 10-2018-0092851 A (August 20, 2018) KR 10-2081879 B1 (February 20, 2020) KR 10-2020-0000667 A (January 03, 2020)

The present invention relates to an air purifying filter with improved efficiencies such as filtration, sterilization, and dehumidification by attaching a mixed solution obtained by mixing a porous material with a polymer solution to a fabric.

In order to solve the problems of the prior inventions, the present invention is a porous material 110 in which a plurality of microporous holes are formed; a polymer solution 120 formed by solvent-forming the polymer powder 130; a mixed solution 100 formed by mixing the porous material 110 and the polymer solution 120; The mixed solution 100 is attached to one surface, the fabric 300 is formed by bending in a zigzag; a non-electrolyte polymer 131 formed in the polymer powder 130 and formed in an amount of 10 parts by weight or less based on the total weight of the polymer powder 130; an electrolyte polymer 132 mixed with the non-electrolyte polymer 131 and formed in an amount of 90 parts by weight or more based on the total weight of the polymer powder 130; The content of the porous material 110 is formed in an amount of 0.5 to 95 parts by weight based on the total weight of the mixed solution 100;

The present invention relates to an air purification filter, comprising: the porous material 110 presented above; polymer solution 120; mixed solution (100); fabric 300; non-electrolyte polymer 131; In the invention made of the electrolyte polymer 132, the porous material 110 is formed of a metal organic frameworks (MOF) material; it is added.

The present invention relates to an air purification filter, comprising: the porous material 110 presented above; polymer solution 120; mixed solution (100); fabric 300; non-electrolyte polymer 131; In the invention comprising the electrolyte polymer 132, the non-electrolyte polymer 131 is polyethylene, polyethylene terephthalate, polybutylene terephthalate, polyester, PTFE, CTFE, PFA, fluororesin, polyvinyl chloride, nylon-6, polyamide. , Urea resin, phenol resin, melamine resin, polystyrene, cellulose, cellulose acetate, cellulose nitrate, polyether ketone, polyether ketone ketone, polyether ether ketone, polysulfone, polyethersulfone, polyimide, polyetherimide, polyamide Mead, polybenzoimidazole, polycarbonate, polyphenylene sulfide, polyacrylnitrile, formed of at least one selected from polyethernitrile; is added.

The present invention relates to an air purification filter, comprising: the porous material 110 presented above; polymer solution 120; mixed solution (100); fabric 300; non-electrolyte polymer 131; In the invention comprising the electrolyte polymer 132, the electrolyte polymer 132 is a sulfo group, a carboxyl group, a phosphoric acid group, an amino group, polyethylene, polystyrene, polysulfone, polyamide, fluororesin, polyamino acid, perfluorosulfonic acid, polytetrafluoro What is formed of at least one selected from among ethylene; is added.

The present invention relates to an air purification filter, comprising: the porous material 110 presented above; polymer solution 120; mixed solution (100); fabric 300; non-electrolyte polymer 131; In the invention made of the electrolyte polymer 132, the fabric 300 is formed of a selected one of a non-woven fabric, a woven fabric, a woven fabric, and a pulp fabric; is added.

The present invention relates to an air purification filter, comprising: the porous material 110 presented above; polymer solution 120; mixed solution (100); fabric 300; non-electrolyte polymer 131; In the invention made of the electrolyte polymer 132, the mixed solution 100 is attached to the fabric 300 by one selected from roll-to-roll, electrospinning, spray spraying, immersion, and casting.

The present invention relates to an air purification filter, comprising: the porous material 110 presented above; polymer solution 120; mixed solution (100); fabric 300; non-electrolyte polymer 131; In the invention made of the electrolyte polymer 132, a fixing body 210 that is adhered to the upper end of the fabric 300 and maintains the bent shape of the fabric 300; is added.

The present invention relates to an air purification filter, comprising: the porous material 110 presented above; polymer solution 120; mixed solution (100); fabric 300; non-electrolyte polymer 131; In the invention made of the electrolyte polymer 132, the support 220 is formed on the edge of the fabric 300, and supports the fabric 300; is added.

In the present invention, as the powdery porous material is mixed with the polymer solution, it can be smoothly attached to the fabric.

The present invention can increase the filtration efficiency as the porous material is formed of the MOF material.

In the present invention, the porous material is attached to the fabric to improve sterilization and dehumidification performance.

According to the present invention, as the fatty acid is chemically bonded to the MOF material, it is possible to maintain a constant MOF interval.

In the present invention, MOF particles and fatty acids are mixed to activate adsorption and catalyst.

1 is a perspective view showing an air purification filter of the present invention.
Figure 2 is an exemplary view showing a state in which the MOF particles and fatty acids of the porous material of the present invention are combined.
3 is an exemplary view showing a process in which the polymer powder of the present invention is mixed and solvated into a polymer solution.
Figure 4 is a perspective view showing the fabric of the air purification filter of the present invention.
5 is a perspective view showing a state in which a fixture is attached to the air purification filter of the present invention.
6 to 7 are cross-sectional views showing a state in which the thickness and spacing of the fabric of the present invention are adjusted.
8 is a cross-sectional view showing the air circulator of the present invention.
9 is a perspective view showing a duct into which the air circulator of the present invention is inserted.

Hereinafter, the most preferred embodiment of the present invention will be described in detail in order to explain in detail enough that a person of ordinary skill in the art can easily carry out the present invention.

The numbers cited in the examples below are not limited only to the objects of reference, and may be applied to all examples. An object that exhibits the same purpose and effect as the configuration presented in the embodiment corresponds to an equivalent replacement object. The higher-level concept presented in the examples includes sub-concept objects that are not described.

(Example 1-1) The present invention provides an air purification filter comprising: a porous material 110 having a plurality of microporous holes formed therein; a polymer solution 120 formed by solvent-forming the polymer powder 130; a mixed solution 100 formed by mixing the porous material 110 and the polymer solution 120; The mixed solution 100 is attached to one surface, the fabric 300 is formed by bending in a zigzag; a non-electrolyte polymer 131 formed in the polymer powder 130 and formed in an amount of 10 parts by weight or less based on the total weight of the polymer powder 130; and an electrolyte polymer 132 that is mixed with the non-electrolyte polymer 131 and is formed in an amount of 90 parts by weight or more based on the total weight of the polymer powder 130 .

(Example 1-2) In the air purification filter of the present invention, in Example 1-1, the content of the porous material 110 is 0.5 to 95 parts by weight based on the total weight of the mixed solution 100. include;

(Example 1-3) In the air purification filter of the present invention, in Example 1-1, the non-electrolyte polymer 131 is polyethylene, polyethylene terephthalate, polybutylene terephthalate, polyester, PTFE, CTFE, PFA, Fluorine resin, polyvinyl chloride, nylon-6, polyamide, urea resin, phenol resin, melamine resin, polystyrene, cellulose, cellulose acetate, cellulose nitrate, polyether ketone, polyether ketone ketone, polyether ether ketone, polysulfone, It includes; polyethersulfone, polyimide, polyetherimide, polyamideimide, polybenzoimidazole, polycarbonate, polyphenylene sulfide, polyacrylnitrile, formed of at least one selected from polyethernitrile.

(Example 1-4) In the air purification filter of the present invention, in Example 1-1, the electrolyte polymer 132 has a sulfo group, a carboxyl group, a phosphoric acid group, an amino group, polyethylene, polystyrene, polysulfone, polyamide, and fluororesin. , which is formed of at least one selected from polyamino acid, perfluorosulfonic acid, and polytetrafluoroethylene.

(Example 1-5) The air purifying filter of the present invention according to Example 1-1, wherein the fabric 300 is formed of a selected one of a non-woven fabric, a woven fabric, a woven fabric, and a pulp fabric; includes.

(Example 1-6) In the air purification filter of the present invention, in Example 1-5, the mixed solution 100 is one selected from roll-to-roll, electrospinning, spray spraying, immersion, and casting. What is attached; includes.

The present invention relates to an air purifying filter, and more particularly, to an air purifying filter in which a porous material 110 is coated on a fabric 300 together with a polymer to increase filtration efficiency. The air purifying filter 10 is formed with a porous material 110 having a plurality of porous holes therein, and the porous material 110 is formed into a powder, so that the polymer solution 120 is attached to the fabric 300. to be mixed in In this case, the polymer solution 120 is formed by dissolving the polymer powder 130 . Referring to FIG. 3 , the polymer powder 130 is used by mixing the non-electrolyte polymer 131 and the electrolyte polymer 132 . The non-electrolyte polymer 131 is capable of securing the water permeability and strength of the fabric 300. Polyethylene, polyethylene terephthalate, polybutylene terephthalate, polyester, PTFE, CTFE, PFA, fluororesin, polyvinyl chloride, nylon -6, polyamide, urea resin, phenol resin, melamine resin, polystyrene, cellulose, cellulose acetate, cellulose nitrate, polyether ketone, polyether ketone ketone, polyether ether ketone, polysulfone, polyether sulfone, polyimide, poly Etherimide, polyamideimide, polybenzoimidazole, polycarbonate, polyphenylene sulfide, polyacrylnitrile, and polyethernitrile may be individually selected or used in combination. In this case, it is preferable to use 10 parts by weight or less of the non-electrolyte polymer 131 based on the total weight of the polymer powder 130 .

In addition, the electrolyte polymer used together with the non-electrolyte polymer 131 includes a sulfo group, a carboxyl group, a phosphoric acid group, an amino group, polyethylene, polystyrene, polysulfone, polyamide, fluororesin, polyamino acid, perfluorosulfonic acid, and polytetrafluoroethylene, respectively. Select and use or use a mixture of multiples.

By using the non-electrolyte polymer 131 and the electrolyte polymer 132, respectively, or by mixing them, the polymer powder 130 is heated to form a polymer solution 120, and as the porous material 110 is mixed with the mixed solution ( 100) is created. At this time, the porous material 110 is formed in 0.5 to 95 parts by weight based on the total weight of the mixed solution 100, but preferably contains 40 to 75 parts by weight. This may be variously changed according to the density of the polymer solution 120 , and the volume occupied by the porous material 110 should be at least 60% or more. In this way, the attachment of the mixed solution 100 to the fabric 300 is to overcome the difficulty in attaching the porous material 110 to the fabric 300 because the porous material 110 is formed of a powder. 110) is uniformly attached.

In addition, the fabric 300 to which the mixed solution 100 is attached may be formed in various ways, such as a nonwoven fabric, a woven fabric, a woven fabric, and a pulp fabric, with reference to FIG. 4 , but is preferably formed of a nonwoven fabric. And the mixed solution 100 is attached to the fabric 300 by various methods such as application, spraying, immersion, and casting, and the fabric 300 to which the mixed solution 100 is attached is bent in a zigzag pattern to form a porous material ( 110) can be prevented from being separated.

(Example 2-1) The present invention relates to an air purification filter, and in Example 1-1, the porous material 110 is formed of a metal organic frameworks (MOF) material.

(Example 2-2) The air purification filter of the present invention according to Example 2-1, wherein the porous material 110 is a fatty acid 112 formed in an unsaturated and/or saturated state; MOF particles 113 to which the fatty acid 112 is bound; includes.

(Example 2-3) The air purification filter of the present invention according to Example 2-2, wherein the particles of the porous material 110 have an average particle diameter of 5 to 1000 nm.

(Example 2-4) In the air purification filter of the present invention, in Example 2-2, the unsaturated fatty acid has a carbon number of C5 to C50; includes.

(Example 2-5) The air purifying filter of the present invention includes the one in Example 2-2, wherein the saturated fatty acid has C4 to C40 carbon atoms.

The present invention relates to the porous material 110 , and specifically, it is formed of a metal organic framework (MOF) material having a plurality of porous holes formed therein. Referring to FIG. 2 , the MOF, which is the porous material 110 , may implement a function of an adsorbent and/or a function of a catalyst by means of pores. However, as the content of MOF increases, the adsorption and/or catalytic effect increases, while defects or gaps between the polymer and the MOF appear large as well as the MOF particles 113 have poor dispersibility during the preparation of the composite with the polymer, resulting in a uniform uniformity. Characteristics are not visible and there is a limit to the MOF content. In addition, because of poor dispersibility due to poor mixing properties, a non-uniform mixture or precipitation occurs.

In order to overcome this, the MOF particles 113 are surface-treated with liquid unsaturated and/or saturated fatty acids 112 to prevent aggregation between the MOF particles 113 and to increase miscibility with organic solvents and/or polymers. In this case, the fatty acid 112 is a material including a hydrocarbon chain and a carboxyl group (-COOH) at its terminal, and the hydrocarbon chain has hydrophobicity, but may interact with a hydrophilic material through a carboxyl group at the terminal.

And, the unsaturated fatty acid preferably has C5 to C50 in terms of miscibility with the organic solvent and/or polymer of the MOF, and the saturated fatty acid 112 is the saturated fatty acid 112 with the organic solvent and/or polymer of the MOF. In terms of miscibility, it is preferable that the carbon number is C4 to C40.

As such, the fatty acid 112 may be treated by various methods of hydrogen bonding, ionic bonding, and covalent bonding with a hydrophilic group and/or metal exposed on the surface of the MOF particle 113, so that it is miscible with organic solvents and/or polymers. can increase

(Example 3-1) The present invention relates to an air purifying filter, and in Example 2-1, a fixture that is adhered to the upper end of the fabric 300 and maintains the bent shape of the fabric 300 (210); includes

(Example 3-2) In the air purification filter of the present invention, in Example 3-1, the fixing body 210 is formed of hot melt, and one side of the fabric 300 to which the mixed solution 100 is attached Or that is adhered to both sides; includes.

The present invention relates to an air purification filter, and specifically, a fixing body 210 is attached to the upper portion to maintain the shape of the fabric 300 bent in a zigzag shape. Referring to FIG. 5 , the fixing body 210 is formed of hot melt and is attached to one or both sides of the bent fabric 300 , respectively. In addition, the fixing body 210 can prevent damage to the mixed solution 100 when the fixing body 210 is removed by fixing a part of the fixing body 210 rather than fixing the upper front surface of the fabric 300 .

In addition, the fixing body 210 may fix the fabric 300 bent in various shapes. In detail, the fabric 300 may have various bent intervals, so that the filtration efficiency can be varied, and the thickness is formed differently from both ends and the center is formed differently from one end to the other. In order to do this, the fixing body 210 is adhered. Therefore, the fixing body 210 of the present invention is formed of a hot melt formed of a predetermined size like a film, and has a feature that can fix the fabric 300 bent into various shapes.

(Example 4-1) The present invention relates to an air purification filter, and in Example 3-1, a support 220 formed on the edge of the fabric 300 and supporting the fabric 300; include

(Example 4-2) The air purifying filter of the present invention according to Example 4-1, wherein the support 220 is formed of paper and fiber; includes.

The present invention relates to the support 220, and specifically referring to FIG. 1, the support 220 is formed on the edge of the fabric 300 bent in a zigzag shape to maintain the shape, and is inserted into the air circulator and the duct size can be adjusted. 6 to 7 , the support 220 is formed of various materials such as paper and fiber, and is formed to have the same thickness as the thickness at which the fabric 300 is bent and is adhered to the edge of the fabric 300 . At this time, the support 220 is fixed to the fabric 300 by means of an adhesive, and it is possible to prevent the fabric 300 from being moved or separated from the inside of the support 220 .

(Example 5-1) The present invention relates to an air circulator, and in Example 4-1, in the air circulator, a housing 410 in which an internal space is formed; is formed in the internal space of the housing 410 and a supply pipe 420 through which outdoor air is supplied; a discharge pipe 430 formed in the inner space of the housing 410 and through which indoor air is discharged; The supply pipe line 420 and the discharge pipe line 430 intersect, and a heat exchanger 440 formed at the intersection position; and the air purifying filter 10 of Example 1-1 formed in the supply pipe 420 and/or the discharge pipe 43 .

(Example 5-2) In the air circulator of the present invention, in Example 5-1, the blower 411 is formed in the supply pipe 420 and the discharge pipe 430, respectively, for supplying and discharging air; includes

(Example 5-3) In the air circulator of the present invention, in Example 5-1, the first duct 450 is branched from the supply pipe 420 and communicates individually with the room; and a second duct 460 that is branched from the discharge pipe 430 and communicates individually with the room.

(Example 5-4) In Example 5-1 of the air circulator of the present invention, a diffuser mounted in each of the rooms and coupled to each of the ducts; includes.

(Example 5-5) According to Example 5-1, the air circulator of the present invention includes a dehumidifying device formed in the supply pipe 420 .

(Example 5-6) In Example 5-1, the air circulator of the present invention includes a heating and cooling device formed in the supply pipe 420 and/or the exhaust pipe.

The present invention relates to an air circulator (400), and specifically relates to an air circulator (400) to which the air purifying filter (10) is coupled. 8 to 9, the air circulator 400 includes a housing 410 in which a plurality of conduits are formed, and a heat exchanger 440 in which indoor air and outdoor air are circulated in the housing 410 is provided. is formed In addition, a supply pipe 420 and an exhaust pipe 430 are formed on both sides of the heat exchanger 440 , respectively. As described above, the air circulator 400 is connected to a plurality of rooms, and as indoor air and outdoor air cross by the heat exchanger 440 , it is possible to prevent loss of heating/cooling energy in the room. And the first and second blowers 411 are mounted on the supply pipe 420 and the discharge pipe 430 formed in the pit. The first and second blowers 411 may each be formed as separate blowers, and as another embodiment, each fan may be mounted on both sides of one motor to drive the two blowers 411 at the same time. In addition, the first blower 411 and the second blower 411 may be formed of any one selected from a centrifugal type and an axial flow type.

In addition, a dehumidifying device installed at the end of the heat exchanger 440 to remove moisture is formed in the supply pipe 420 , and condensation can be prevented from occurring by the dehumidifying device. In addition, in the supply pipe line 420 , a heating and cooling device is formed at an end of the heat exchanger 440 to provide a cooling/heating function to the air circulation device. A cooling device is driven to supply cooled air to the supply pipe line 420 in summer, and a heating device is driven to supply heated air to the supply pipe line 420 in winter. Such a heating and cooling device adjusts the temperature according to the indoor set temperature, and is located over the entire cross-sectional area of the supply pipe 420 .

And a duct is formed in the supply pipe 420 and the discharge pipe 430, and the duct is connected to the first duct 450 and the discharge pipe 430 that is connected to the supply pipe 420 to introduce outdoor air and is connected to the indoor air. A second duct 460 for discharging is formed. At this time, a diffuser is formed at the ends of the first duct 450 and the second duct 460, respectively, and the diffuser is individually controlled as a valve and a cover are formed.

In addition, as the filter is installed on the outer surface of the heat exchanger 440 , it may filter the air supplied through the supply pipe 420 or filter air circulated directly from the discharge pipe to the supply pipe. This filter is formed of the air purifying filter 10, and the mixed solution 100 formed by mixing the porous material 110 and the polymer solution 120 is attached to the fabric 300. Accordingly, the air supplied to the room is filtered by filtering foreign substances such as fine dust and the bad smell of the air.

10: air purification filter 100: mixed solution
110: porous material 111: MOF material
112: fatty acid 113: MOF particles
120: polymer solution 130: polymer powder
131: non-electrolyte polymer 132: electrolytic polymer
210: fixed body 220: support
300: fabric 400: air circulator
410: enclosure 411: blower
420: supply pipe 430: discharge pipe
440: heat exchanger 450: first duct
460: second duct

Claims (8)

a porous material 110 having a plurality of microporous holes formed therein;
a polymer solution 120 formed by dissolving the polymer powder 130;
a mixed solution 100 in which the porous material 110 and the polymer solution 120 are mixed;
The mixed solution 100 is attached to one surface, the fabric 300 is formed by bending in a zigzag;
a fixture 210 that is adhered to the upper end of the fabric 300 and maintains the bent shape of the fabric 300;
a support 220 formed on the edge of the fabric 300 and supporting the fabric 300; including,
The fixing body 210 is formed of hot melt, and is adhered to a portion of the upper end of the fabric 300 to prevent damage to the mixed solution when removed,
The porous material may include a fatty acid 112 formed in at least one state of unsaturated or saturated; and
Including; MOF particles 113 to which the fatty acid 112 is bound;
The porous material is formed with an average particle diameter of 5 nm to 1000 nm,
The unsaturated fatty acid is composed of C5 to C50,
The saturated fatty acid is an air purifying filter consisting of C4 to C40 carbon atoms.
delete delete delete The method according to claim 1,
The fabric 300 is formed of a selected one of a non-woven fabric, a woven fabric, a woven fabric, and a pulp fabric; an air purification filter comprising.
6. The method of claim 5,
The mixed solution 100 is attached to the fabric 300 by one selected from roll-to-roll, electrospinning, spray spraying, immersion, and casting.
delete delete

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