WO2021172794A1

WO2021172794A1 - Film for simultaneously blocking air pollutants and manufacturing method therefor

Info

Publication number: WO2021172794A1
Application number: PCT/KR2021/001722
Authority: WO
Inventors: 손영환; 손지훈; 이성민
Original assignee: 네오에스티지 주식회사
Priority date: 2020-02-25
Filing date: 2021-02-09
Publication date: 2021-09-02
Also published as: KR102154078B1

Abstract

The present invention relates to a film for simultaneously blocking air pollutants and a manufacturing method therefor. The blocking film according to the present invention can simultaneously filter out air pollutants by using one filter, can physically remove air pollutants accumulated on the flat surface of the blocking film so as to allow semi-permanent use, and can be utilized as an eco-friendly filtration system which generates less waste.

Description

Simultaneous blocking film of air pollutants and manufacturing method thereof

The present invention relates to a simultaneous barrier membrane for air pollutants and a method for manufacturing the same, and more particularly, a porous inorganic material is laminated on a porous substrate cross-laminated with a positive electrode material and a negative electrode material, and a thin film is formed on a complex matrix of the porous substrate. It relates to a barrier film capable of simultaneously blocking air pollutants, and a method for manufacturing the same.

Air pollutants are generated in a wide variety of places such as automobiles, workplaces, home heating, power generation facilities, and incineration facilities. "Air pollutant emission" calculated by the Ministry of Environment is an air pollutant composed of particulate matter and gaseous matter emitted from most processes while having a high impact on air pollution in the workplace. based on emissions. In particular, fine dust is inevitably generated as the industry develops and constitutes the main type of air pollution, and the most harmful fine dust to the human body is the combustion process of liquid and solid fuels, incineration processes, iron and steel making processes, and cement manufacturing processes. microparticles emitted from the The fine dust particles contain a very high concentration of heavy metal substances, and not only cause serious damage due to deposition in the human respiratory tract and the human body during respiration, but also cause soil contamination by remaining in the soil. In addition, as legislation to strengthen the emission standards in the long term is foretold, it is required to maintain the dust emission concentration at a much lower level than the currently applied dust emission regulations.

Fine dust is emitted in a solid state from a chimney, etc. or is emitted in a gaseous state from a source and is produced by chemical reaction with other substances. It is important to remove sulfur oxides and nitrogen oxides.

In addition, gaseous air pollutants such as carbon dioxide, carbon monoxide, radon, formaldehyde, volatile organic compounds and organic aromatic compounds exist in indoor air. In particular, radon causes 3 to 14% of lung cancers worldwide and is the second most potent lung cancer inducer after sputum.

Pollutant discharge facilities meet air pollution emission and recommended standards by applying treatment methods suitable for the characteristics of these various pollutants. Particulate matter is removed by electricity, filtration, washing dust collection, centrifugal force dust collection, gravity dust collection, etc. according to particle size distribution and specific gravity, etc., and gaseous substances are treated by incineration, absorption, adsorption, separation membrane, catalytic oxidation method, biological treatment method, etc.

Therefore, the development of a method capable of simultaneously blocking air pollutants is required. Korean Patent Laid-Open Publication No. 2010-0106281 discloses a filter capable of simultaneously removing fine dust and harmful gases coated with an oxidation catalyst, and in Korean Utility Registration No. 0371598, a mixture of granular activated carbon and an adhesive is uniformly sprayed on the filter substrate. After drying, a medium filter capable of removing fine dust, odor, and harmful gas contained in the manufactured air by cutting it to a predetermined size and combining it with a frame is disclosed. Only the effect has been confirmed, and the blocking effect on radon or carbon dioxide, which are harmful indoor gases, has not been confirmed.

In addition, in a general gas filtration system composed of a HEPA filter that removes fine dust and a deodorizer filter that removes gaseous substances, each filter is applied to increase the annual filter usage and increase the generation of waste such as HEPA filters and activated carbon.

In addition, although a general mask removes only fine dust, indoor and outdoor pollutants simultaneously remove air pollutants because they distribute not only fine dust emitted directly from the emission source, but also fine dust that is secondary to gaseous substances through photochemical reactions. The effect of harmful substances can be reduced with a mask that applies a blocking film.

Accordingly, the present inventors made diligent efforts to develop a barrier film that can block air pollutants and contaminants at the same time. As a result, the porous substrate is laminated with a porous inorganic material and a bipolar material (BPEI, etc.) and a cathode material (PAA, etc.) In the case of manufacturing a filter that blocks air pollutants, it was confirmed that selective gas permeation is possible to transmit oxygen as well as particulate matter fine dust and block various gaseous substances, and the present invention has been completed.

An object of the present invention is to provide a method for manufacturing a barrier film capable of simultaneously blocking air pollutants.

Another object of the present invention is to provide a barrier film capable of simultaneously blocking air pollutants.

Another object of the present invention is to provide a mask for blocking air pollutants equipped with the blocking film.

Another object of the present invention is to provide a gas filtration system equipped with the barrier membrane.

Another object of the present invention is to provide an air pollutant emission prevention system of an air pollutant discharge workplace equipped with a barrier film.

In order to achieve the above object, the present invention comprises the steps of: (a) cross-stacking an anode material and a cathode material n times (n is an integer of 1 to 10), respectively, on a porous substrate; and

(b) stacking a porous inorganic material on the porous substrate in which the positive electrode material and the negative electrode material are cross-laminated n times (n is an integer of 1 to 10) on the porous substrate to obtain a barrier film against air pollutants at the same time A method for manufacturing a barrier film capable of simultaneously blocking air pollutants is provided.

The present invention also provides that a porous inorganic material is laminated on a porous substrate in which the positive electrode material and the negative electrode material are each n times (n is an integer of 1 to 10), and a thin film is formed in the matrix of the porous substrate. It provides a barrier film capable of simultaneously blocking air pollutants characterized by the present invention.

The present invention also includes the steps of: (a) cross-stacking a positive electrode material and a negative electrode material on a porous substrate n times (n is an integer of 1 to 10), respectively; and

(b) By laminating a material in which graphene is dispersed in an anode polymer on a porous substrate in which a positive electrode material and a negative electrode material are cross-laminated n times (n is an integer of 1 to 10) on the porous substrate, an air pollutant blocking film is obtained It provides a method of manufacturing a barrier film capable of simultaneously blocking air pollutants, comprising the step of:

In the present invention, the anode material and the anode material are each stacked n times (n is an integer of 1 to 10) on the porous substrate, and the anode polymer and graphene are laminated to form a thin film on the matrix of the porous substrate. It provides a barrier film that can block air pollutants at the same time, characterized in that the

*(b) Air pollutant blocking film with adsorption properties added by laminating a porous inorganic material in which carbon nanotubes are dispersed on a porous substrate in which a bipolar material and a porous inorganic material are cross-laminated n times (n is an integer of 1 to 10) on the porous substrate It provides a method for producing a barrier film capable of simultaneously blocking air pollutants, including the step of obtaining a.

The present invention also provides a porous inorganic material and carbon nanotubes stacked on a porous substrate in which the positive electrode material and the negative electrode material are cross-stacked n times (n is an integer of 1 to 10, respectively, to form a thin film on the matrix of the porous substrate) It provides a barrier film that can block air pollutants at the same time, characterized in that the

The present invention also provides a mask for blocking air pollutants equipped with the blocking film.

The present invention also provides a gas filtration system equipped with the barrier membrane.

The present invention also provides an air pollutant discharge prevention system of an air pollutant discharge workplace equipped with a barrier film.

The blocking membrane according to the present invention can simultaneously remove air pollutants with one filter, and can be used semi-permanently by physically removing air pollutants accumulated on the plane of the blocking membrane, and can be used as an eco-friendly filtration system with less waste do.

1 shows the lamination process of the air pollutant simultaneous removal blocking film according to the present invention.

Figure 2 shows the lamination process of the air pollutant simultaneous removal blocking film according to the present invention.

3 shows an electron micrograph of the air pollutant simultaneous removal blocking film according to the present invention.

Figure 4 shows the oxygen permeability measurement result of the air pollutant simultaneous removal blocking membrane according to the present invention.

5 shows the carbon dioxide removal rate of the air pollutant simultaneous removal blocking membrane according to the present invention.

6 shows the carbon dioxide removal rate according to the manufacturing method of the air pollutant simultaneous removal blocking film according to the present invention.

7 is a view showing the carbon dioxide removal rate of the air pollutant blocking film laminated with carbon nanotubes according to the present invention.

Existing gas barrier membranes for blocking gaseous substances are made of organic/inorganic hybrid permeable membranes using non-porous organic materials or porous inorganic materials to control gas permeability to form double, triple or more structures for each layer. A film was formed, and the film formation process had to proceed with complex pre-treatment and post-treatment such as deposition process under high vacuum, ultraviolet light, plasma treatment, etc. to form a complete thin film.

In the present invention, a porous substrate having a network structure is used, and an organic matrix is first formed thereon, and Layer-By such as dipping, spray coating, spin coating, etc. -Using the layer assembly (LBL) stacking technique, a barrier film for simultaneous removal of air pollutants was manufactured by a manufacturing method of adding inorganic substances secondarily, and no post-treatment is required, and the barrier film manufactured according to the present invention is fine dust The removal rate is excellent, and while oxygen permeates, selective gas permeation is possible to block various air pollutants including carbon dioxide and radon, and it has excellent removal efficiency.

Accordingly, the present invention, in one aspect, (a) cross-stacking the positive electrode material and the negative electrode material on a porous substrate n times (n is an integer of 1 to 10), respectively; and

(b) stacking a porous inorganic material on the porous substrate in which the positive electrode material and the negative electrode material are cross-laminated n times (n is an integer of 1 to 10) on the porous substrate to obtain a barrier film against air pollutants at the same time It relates to a method for manufacturing a barrier film capable of simultaneously blocking air pollutants.

The barrier film capable of simultaneously blocking air pollutants of the present invention comprises the steps of: (i) laminating an anode or cathode material on a porous substrate; (ii) in step (i), when a positive electrode material is laminated, a negative electrode material is secondarily laminated, and when a negative electrode material is laminated, a positive electrode material is secondarily laminated; (iii) when the anode material is secondarily laminated on the porous substrate in step (ii), the anode material is thirdly laminated, and when the porous substrate is secondarily laminated with the anode material, the anode material is thirdly laminated step; and (iv) stacking a porous inorganic material on a tertiary laminated porous substrate to obtain a barrier film against air pollutants at the same time, and the steps (i) to (ii) are repeated 0 to 10 times. It is preferable to carry out, and more preferably, it can be carried out by repeating 1 (3) to 5 times by the method of FIG.

In one aspect of the present invention, the barrier film capable of blocking air pollutants at the same time is first laminated with a positive electrode material on a porous substrate, the positive electrode material is laminated on the substrate, the negative electrode material is secondarily laminated, and then the positive electrode material is thirdly laminated By laminating the porous inorganic material on the porous substrate, which is laminated and tertiarily laminated, a barrier film against air pollutants can be obtained at the same time. After this, the tertiary lamination and lamination of the porous inorganic material may be performed.

In another aspect of the present invention, in order to prepare a barrier film capable of blocking air pollutants at the same time, first, a HEPA filter with a porous filter is dipped in 0.1wt% BPEI (Branched-Polyethylenimine) solution for 1 to 2 minutes, and distilled water washed. Thereafter, 0.2wt% PAA (Polyacrylic acid, poly(1-carboxyethylene)) was also dipped in the same manner and washed with distilled water. Again, dipping 0.1wt% of BPEI is performed, and finally, dipping with 1wt% VMT of inorganic porous inorganic material for 1~2 minutes, washing and drying at room temperature to produce a barrier film (1QL), (The barrier film (1QL) was produced by drying the air for 30 seconds), and the first cycle solution was dipping for 1 to 2 minutes to adsorb a large amount of polymers and inorganic porous inorganic substances. From the cycle, the dipping time was reduced to 5 to 10 seconds in order to reduce the formation of a thick layer and process time.

As a method of controlling the thickness of the polymer matrix in the above manner, the following equation is used (see FIGS. 1 and 2 ).

n means the number of stacking methods between + and - property polymers, and n is expressed as Bi, Quad, Hex, Oct, etc. in order from 0.

[Equation 1]

(BPEI/PAA) _n BPEI/Clay ( n= 0,1,2,3 ) BL, QL, HL, OL (1)

In the present invention, as an example, the H13 filter is used as the porous substrate to be used for the blocking film, but it is not limited to the HEPA filter and can be applied to most filters and substrates with good air permeability such as porous substrates.

The positive electrode material according to the present invention is BPEI (Branched, Polyethylenimine) , chitosan (Chitosan, CHI), PDDA (diallyldimethylammonium chloride), PEO (Polyethyloxide), CNC (Cellulose nanocrystal) and PVA (Polyvinyl alcohol) from the group consisting of It may be characterized as a material selected, the negative electrode material is PAA (Polyacrylic acid (poly(1-carboxyethylene), LDH (Layered double hydroxide)), Nylon, Nafion, Polyethylene, Polypropylene, Polystyrene Sulfonate, and inorganic in aqueous solution state It is a solution in which carbon materials (CNT, Graphene, etc.) are dispersed in porous inorganic materials and anode materials. It may be characterized as a material selected from the group consisting of.

The barrier film according to the present invention has a property of blocking air pollutants and transmitting oxygen.

In the present invention, the lamination may be performed by a method selected from the group consisting of dipping, spray coating, and spin coating.

In the present invention, a barrier film capable of simultaneously blocking air pollutants can be manufactured simply and economically, and a porous organic/inorganic hybrid gas barrier layer is formed to have various gas barrier effects. It is possible to simultaneously control various gaseous pollutants including fine dust by forming electrostatic attraction, hydrogen bonding, ionic bonding, etc. using organic/inorganic polarity and structural properties and stacking them on a porous substrate.

The porous substrate used in the present invention may use a fibrous filter having a network structure, and the like, but is not limited thereto, and an amine (-N), hydroxy (-OH), carboxyl group to form an organic/inorganic hybrid gas permeable membrane. It is preferable to use a substrate comprising (-COOH) and aldehyde (-COH) groups.

In addition, in one aspect of the present invention, it is also possible to form a permeable membrane by dispersing carbon materials (graphene, carbon nanotubes, acid/reduced graphene oxide, etc.) in organic/inorganic materials to increase the blocking and absorption of fine dust and gas. .

In the present invention, samples having positive (+) and negative (-) polarity properties include materials capable of ions, covalent, hydrogen bonding, such as amine (RN), hydroxy (-OH), and positive (+) BPEI (Branched, Polyethylenimine, CHI (Chitosan), PDDA (Poly (diallyldimethylammonium chloride)), PEO (Polyethyloxide), CNC (Cellulose nanocrystal) and PVA (Polyvinyl alcohol) and PAA (Polyacrylic) with negative properties Acid (poly(1-carboxyethylene), LDH (Layered double hydroxide), Nylon, Nafion, Polyethylene, Polypropylene, Polystyrene Sulfonate, inorganic porous inorganic substances in aqueous solution, and carbon materials (CNT, Graphene, etc.) are dispersed in the negative electrode material. solution may be used.

The inorganic porous inorganic material used in the present invention comprises at least one selected from the group consisting of alumina, zirconia, silicon oxide, magnesium oxide, and calcium oxide. As a material including, bentonite (Bentonite, BNT), montmorillonite (MMT), vermiculite (VMT), etc. may be used, but the present invention is not limited thereto.

From another point of view, the present invention is a porous inorganic material is laminated on a porous substrate in which the positive electrode material and the negative electrode material are each n times (n is an integer of 1 to 10), a thin film is formed in the pores of the porous substrate, It relates to a barrier film that can block air pollutants at the same time, characterized in that there is.

In another aspect, the present invention comprises the steps of: (a) cross-stacking a positive electrode material and a negative electrode material on a porous substrate n times (n is an integer of 1 to 10), respectively; and (b) stacking a material in which graphene is dispersed in an anode polymer on a porous substrate in which a positive electrode material and a negative electrode material are cross-laminated n times (n is an integer of 1 to 10) on the porous substrate to form an air pollutant blocking film It relates to a method for producing a barrier film capable of simultaneously blocking air pollutants, including the step of obtaining.

In order to prepare a graphene-stacked barrier film, in one embodiment of the present invention, an H13 filter was dipped in 0.1wt% BPEI (Branched-Polyethylenimine) solution as a porous filter, and washed with tertiary distilled water. Thereafter, 0.1 g of graphene (graphenol, Korea) was dispersed in 0.2 wt% of polyacrylic acid (PAA) for the same time and dipping was performed for the same time, followed by washing again. In the present invention, by dispersing graphene in a negative (-) polar polymer without using a porous inorganic material, it is possible to form a barrier film with a composite material having the intrinsic properties of graphene and polymer.

In another aspect, the present invention provides a porous substrate in which the anode material and the anode material are laminated n times (n is an integer of 1 to 10), respectively, the anode polymer and graphene are laminated on the matrix of the porous substrate. It relates to a barrier film capable of simultaneously blocking air pollutants, characterized in that a thin film is formed.

In another aspect, the present invention comprises the steps of: (a) cross-stacking a positive electrode material and a negative electrode material on a porous substrate n times (n is an integer of 1 to 10), respectively; and (b) an air pollutant blocking film with adsorption properties added by laminating a porous inorganic material in which carbon nanotubes are dispersed on a porous substrate in which a bipolar material and a porous inorganic material are cross-laminated n times (n is an integer of 1 to 10) on the porous substrate It relates to a method for producing a barrier film capable of simultaneously blocking air pollutants, including the step of obtaining a.

In order to prepare a carbon nanotube-stacked barrier film, in one embodiment of the present invention, the H13 filter was dipped in 0.1wt% BPEI (branched-polyethylenimine) solution, and washed with tertiary distilled water. Thereafter, dipping and washing were repeated in 1 wt% vermiculite (VMT). Again, 0.1 wt% BPEI solution of positive (+) polarity was dipping in the same way, followed by washing, and finally, 0.1 g of carbon nanotubes (CNT) (Hyosung, Korea) was dispersed in the solution, followed by dipping and washing in the same manner as above to prepare a barrier film in which carbon nanotubes (CNTs) were laminated.

In another aspect, the present invention also provides a porous inorganic material and a carbon nanotube are laminated on a porous substrate in which the positive electrode material and the negative electrode material are each n times (n is an integer of 1 to 10). It relates to a barrier film capable of simultaneously blocking air pollutants, characterized in that a thin film is formed in a matrix.

In one aspect of the present invention, carbon dioxide as the adsorption property of carbon nanotubes when prepared in a Quad-Layer system by further dipping a solution in which carbon nanotubes are dispersed in a porous inorganic material in addition to a Bi-Layer system using only a conventional polymer and a porous inorganic material It was confirmed that the removal efficiency was further improved (FIG. 7).

In another aspect, the present invention relates to a mask for blocking air pollutants equipped with the blocking film.

In another aspect, the present invention relates to a gas filtration system equipped with the barrier membrane.

In another aspect, the present invention relates to an air pollutant emission prevention system of an air pollutant emission workplace equipped with the barrier film.

Hereinafter, the present invention will be described in more detail through examples. These examples are only for illustrating the present invention, and it will be apparent to those skilled in the art that the scope of the present invention is not to be construed as being limited by these examples.

실시예 1: 대기오염 물질 동시 차단막 제조Example 1: Manufacture of a simultaneous barrier film for air pollutants

H13 filter (Welcron, Korea) based on a functional filter was used as a porous substrate to be used for the production of the barrier film.

The lamination solution to be laminated on the filter is a 0.1wt% BPEI (Branched-Polyethylenimine) solution, which is a sample having an anode property, and a 0.2wt% PAA (Polyacrylic acid, poly(1-carboxyethylene)) solution, a sample having a cathode property. was prepared and stirred for 24 hours for a stabilized state before use. As a porous inorganic solution to be used for lamination, 1 wt% vermiculite was stirred for 24 hours and then stabilized at room temperature for an additional 24 hours to remove the sinking solute.

The prepared lamination solution is administered in an amount sufficient to submerge the H13 filter substrate in the lamination container, and the substrate is first dipping in 0.1wt% BPEI solution of positive (+) polarity for 1 to 2 minutes, and , and washed 2-3 times in tertiary distilled water (Deionized Water) for 20 seconds each. Second, in the same manner as in the first solution, dipping in a 0.2 wt% PAA solution of negative (-) polarity for 1 to 2 minutes, followed by washing with distilled water in the same manner as in the first solution.

Again, 0.1wt% BPEI solution of positive (+) polarity was dipping in the same way for 1-2 minutes, followed by washing, and finally, 1wt% vermiculite of porous inorganic material (clay) was dipping for 1-2 minutes and then washed with distilled water.

One cycle of dipping and washing of the three solutions is defined as 1QL (Quadlayer).

In the first cycle, dipping was performed in the solution for 1 to 2 minutes, but from the second cycle, the dipping time of the solution was reduced to 5 to 10 seconds. However, the same washing time was performed 3 times for 20 seconds each. In this way, 3 to 5 QL was performed to form a gas barrier film on the porous substrate.

As a method of controlling the thickness of the polymer matrix in the above manner, the following formula is used.

[Equation 1]

(BPEI/PAA) _n BPEI/Clay ( n= 0,1,2,3 ) BL, QL, HL, OL (1)

1 and 2 show the lamination method according to Equation 1 above.

In this example, 8-10BL and 5QL simultaneous blocking films were manufactured.

실시예 2: 그래핀을 이용한 대기오염물질 동시차단막의 제조Example 2: Preparation of air pollutant simultaneous blocking membrane using graphene

In the same manner as in Example 1, the H13 filter was dipped in 0.1wt% BPEI (Branched-Polyethylenimine) solution for 1-2 minutes with a porous substrate, and washed 2-3 times with tertiary distilled water (18.2MΩ) for 20 seconds. . Thereafter, 0.1 g of graphene (graphenol, Korea) was dispersed in 0.2 wt% of polyacrylic acid (PAA) for the same time and dipping was performed for the same time, followed by washing again.

By dispersing graphene in a negative (-) polar polymer without using a porous inorganic material as compared with Example 1, it is possible to form a barrier film with a composite material having the intrinsic properties of graphene and polymer.

실시예 3: 탄소나노튜브를 이용한 대기오염물질 동시차단막의 제조Example 3: Preparation of air pollutant simultaneous blocking membrane using carbon nanotubes

In the same manner as in Example 1, the H13 filter with a porous substrate was dipped in 0.1wt% BPEI (branched-polyethylenimine) solution for 1-2 minutes, and washed 2-3 times with tertiary distilled water (18.2MΩ) for 20 seconds. . After that, dipping and washing with 1wt% of vermiculite (VMT) are repeated for the same time.

Again, 0.1 wt% BPEI solution of positive (+) polarity was dipping in the same way for 1 to 2 minutes, followed by washing, and finally, 0.1 g of carbon nanotubes (CNT) in 1 wt% montmorolite (MMT). (Hyosung, Korea) was dipping and washing in the same manner as in the above-dispersed solution to prepare a barrier film in which carbon nanotubes (CNTs) were laminated.

실시예 4: 대기오염물질 동시 차단막의 특성 분석Example 4: Characterization of air pollutant simultaneous barrier membrane

In order to confirm the thin film formation of the air pollutant simultaneous blocking film (8BL) prepared in Example 1 and the air pollutant simultaneous blocking film (8BL) using graphene, electron microscopic analysis was performed.

As a result, as shown in FIG. 3 , it can be confirmed that a thin film capable of blocking gas is formed on the porous substrate after lamination.

In addition, the oxygen permeability of the barrier film was measured using an oxygen permeability measuring device (OX-TRAN Model 2/22 H, MOCON, USA).

As a result, as shown in FIG. 4 , it was confirmed that the oxygen permeability was 100%.

Prepare the H13 filter with or without a porous filter base, dipping in 0.1wt% BPEI (Branched-Polyethylenimine) solution for 1-2 minutes, and tertiary distilled water (18.2MΩ) for 20 seconds. Washed ~3 times. Then, 0.2wt% PAA (Polyacrylic acid, poly(1-carboxyethylene)) was also dipping in the same way, and washed again with tertiary distilled water (18.2MΩ). Again, 0.1wt% BPEI dipping was performed, and finally, a barrier film (1QL) was prepared by dipping with 1wt% VMT of inorganic porous inorganic material for 1 to 2 minutes, washing and drying at room temperature for 24 hours.

In order to adsorb more polymer and inorganic porous inorganic substances, the first cycle solution was dipping for 1 to 2 minutes, and from the second cycle, the dipping time was reduced to 5 to 10 seconds to reduce the formation of a thick layer and process time. However, the same washing time was performed 3 times for 20 seconds each. The same method was repeated 3 to 5 times to form a blocking film.

Air Purifier Association Indoor Air Purifier Test Method (SPS-) using cigarette smoke at an air volume of 0.90 m3/min in a chamber of 0.45 m, 0.45 mx 0.45 mx 0.45 m and a flat membrane of 0.1 mx 0.1 m (10BL) manufactured in Preparation Example (SPS- KACA002-132) was used to test the removal rate of fine dust.

As a result, it was possible to confirm the removal rate of 99% within 1 hour of the reaction time.

From the above results, it was confirmed that the electrostatic attraction of the HEPA filter used as the substrate did not disappear by the organic/inorganic hybrid lamination operation and remained.

[Table 1]

Exam conditions ; Temperature : 24±5℃, Humidity : 45±0.5%

Simultaneous blocking film (10BL) prepared in Preparation Example The carbon dioxide removal experiment was carried out with the Air Purifier Association Indoor Air Purifier Test Method (SPS-KACA002-132) for 30 minutes with a 0.45 m, 0.45 mx 0.45 mx 0.45 m chamber air volume of 0.90 m3/min.

As a result, as shown in FIG. 5 , as a result of an initial concentration of 10,000 ppm removal experiment for 30 minutes, an average removal rate of 65% or more was confirmed for 30 minutes.

A radon removal experiment was conducted for 3 hours using a radon analyzer (RD200, Korea) with an air flow rate of 0.90 m3/min in a 0.45 m, 0.45 mx 0.45 mx 0.45 m chamber with a 0.1 mx 0.1 m flat membrane prepared in Preparation Example. did.

As a result, as shown in Table 2, the simultaneous blocking film transmits only oxygen and blocks even radon, a radioactive material having a molecular weight of oxygen or higher, confirming the possibility of removing various gaseous substances.

Exam conditions ; Temperature : 20±1℃, Humidity : 45±5%

A 10BL blocking film and a 5QL blocking film were respectively prepared by the method of Preparation Example, and the respective carbon dioxide removal rates were compared.

Air Purifier Association Indoor Air Purifier Test Method (SPS-KACA002-132) for 10 minutes at 0.90 m3/min in air volume in 0.45 m, 0.45 mx 0.45 mx 0.45 m chamber using a 10BL blocking film and 5QL blocking film ) to carry out a carbon dioxide removal experiment.

As a result, as shown in FIG. 6 , as a result of the initial concentration of 10,000 ppm removal experiment, when proceeding to 5QL (average removal rate 75%) compared to 10BL (average removal rate 45%), it was confirmed that the average removal rate was 1.5 times or more higher.

In addition, by using the carbon nanotube (CNT) layered barrier film prepared in Example 3, the flat membrane of 0.1 m x 0.1 m is 0.45 m, 0.45 m x 0.45 m x 0.45 m, and the air volume in the chamber is 0.90 m 3 / min for 10 minutes. Carbon dioxide removal experiment was conducted by the Association of Indoor Air Purifier Test Method (SPS-KACA002-132).

As a result, as shown in FIG. 7 , in addition to the existing Bi-Layer system using only a polymer and a porous inorganic material, a solution obtained by dispersing carbon nanotubes in a porous inorganic material was further dipping to prepare a Quad-Layer system. It was confirmed that the carbon dioxide removal efficiency was further improved due to the adsorption properties.

As described above in detail a specific part of the content of the present invention, for those of ordinary skill in the art, it is clear that this specific description is only a preferred embodiment, and the scope of the present invention is not limited thereby. something to do. Accordingly, the substantial scope of the present invention will be defined by the appended claims and their equivalents.

Claims

A method of manufacturing a barrier film capable of simultaneously blocking air pollutants, comprising the following steps:

(a) cross-stacking an anode material and a cathode material n times (n is an integer of 1 to 10), respectively, on a porous substrate; and

(b) obtaining an air pollutant blocking film by laminating a porous inorganic material selected from the group consisting of bentonite, montmorillonite and vermiculite on the porous substrate prepared in step (a).
According to claim 1, wherein the bipolar material is BPEI (Branched, Polyethylenimine) , Chitosan (Chitosan, CHI), PDDA (Poly (dialyldimethylammonium chloride), PEO (Polyethyloxide), CNC (Cellulose nanocrystal) and PVA (Polyvinyl alcohol) composed of A method, characterized in that it is a material selected from the group.
According to claim 1, wherein the negative electrode material is PAA (Polyacrylic acid (poly(1-carboxyethylene), LDH (Layered double hydroxide), nylon), Nafion (Nafion), polyethylene (Polyethylene), polypropylene (Polypropylene) ), polystyrene sulfonate, an inorganic porous inorganic substance in aqueous solution and a solution in which CNT or Graphene is dispersed in an anode material. A method, characterized in that it is a material selected from the group consisting of.
The method of claim 1 , wherein the lamination method is performed by a method selected from the group consisting of dipping, spray coating, and spin coating.
Air pollution characterized in that a porous inorganic material is laminated on a porous substrate in which an anode material and a cathode material are each cross-stacked n times (n is an integer of 1 to 10, and a thin film is formed in the matrix of the porous substrate) A barrier that can block substances simultaneously.
The method of claim 5, wherein the bipolar material is BPEI (Branched, Polyethylenimine) , Chitosan (Chitosan, CHI), PDDA (Poly (dialyldimethylammonium chloride), PEO (Polyethyloxide), CNC (Cellulose nanocrystal) and PVA (Polyvinyl alcohol) composed of A barrier film, characterized in that it is a material selected from the group.
The method of claim 5, wherein the anode material is PAA (Polyacrylic acid (poly(1-carboxyethylene), LDH (Layered double hydroxide)), nylon (Nylon), Nafion (Nafion), polyethylene (Polyethylene), polypropylene (Polypropylene) ) and Polystyrene Sulfonate A barrier film, characterized in that it is a material selected from the group consisting of.
The barrier film according to claim 5, wherein the porous inorganic material is selected from the group consisting of bentonite, montmorillonite, and vermiculite.
A method of manufacturing a barrier film capable of simultaneously blocking air pollutants, comprising the following steps:

(a) cross-stacking an anode material and a cathode material n times (n is an integer of 1 to 10), respectively, on a porous substrate; and

(b) obtaining an air pollutant blocking film by laminating a material in which graphene is dispersed in an anode polymer on the porous substrate prepared in step (a).
10. The method of claim 9, wherein the bipolar material is BPEI (Branched, Polyethylenimine) , Chitosan (Chitosan, CHI), PDDA (Poly (dialyldimethylammonium chloride), PEO (Polyethyloxide), CNC (Cellulose nanocrystal) and PVA (Polyvinyl alcohol) composed of A method, characterized in that it is a material selected from the group.
10. The method of claim 9, wherein the negative electrode material is PAA (Polyacrylic acid (poly(1-carboxyethylene), LDH (Layered double hydroxide), nylon), Nafion (Nafion), polyethylene (Polyethylene), polypropylene (Polypropylene) ) and Polystyrene Sulfonate A method, characterized in that it is a material selected from the group consisting of.
10. The method of claim 9, wherein the lamination method is performed by a method selected from the group consisting of dipping, spray coating, and spin coating.
It is characterized in that the anode material and the anode material are laminated on a porous substrate n times (where n is an integer of 1 to 10), and the anode polymer and graphene are laminated, and a thin film is formed in the matrix of the porous substrate. A barrier that can simultaneously block air pollutants.
14. The method of claim 13, wherein the bipolar material is BPEI (Branched, Polyethylenimine) , Chitosan (Chitosan, CHI), PDDA (diallyldimethylammonium chloride), PEO (Polyethyloxide), CNC (Cellulose nanocrystal) and PVA (Polyvinyl alcohol) composed of A barrier film, characterized in that it is a material selected from the group.
14. The method of claim 13, wherein the anode material is PAA (Polyacrylic acid (poly(1-carboxyethylene), LDH (Layered double hydroxide)), nylon (Nylon), Nafion (Nafion), polyethylene (Polyethylene), polypropylene (Polypropylene) ) and Polystyrene Sulfonate A barrier film, characterized in that it is a material selected from the group consisting of.
A method of manufacturing a barrier film capable of simultaneously blocking air pollutants, comprising the following steps:

(a) cross-stacking an anode material and a cathode material n times (n is an integer of 1 to 10), respectively, on a porous substrate; and

(b) Air pollutant blocking film with adsorption properties added by laminating a material in which carbon nanotubes are dispersed in a porous inorganic material selected from the group consisting of bentonite, montmorillonite and vermiculite on the porous substrate prepared in step (a) step to obtain.
The method of claim 16, wherein the bipolar material is BPEI (Branched, Polyethylenimine) , Chitosan (Chitosan, CHI), PDDA (diallyldimethylammonium chloride), PEO (Polyethyloxide), CNC (Cellulose nanocrystal) and PVA (Polyvinyl alcohol) composed of A method, characterized in that it is a material selected from the group.
The method of claim 16, wherein the negative electrode material is PAA (Polyacrylic acid (poly(1-carboxyethylene), LDH (Layered double hydroxide), nylon), Nafion (Nafion), polyethylene (Polyethylene), polypropylene (Polypropylene) ) and Polystyrene Sulfonate A method, characterized in that it is a material selected from the group consisting of.
The method of claim 16 , wherein the lamination method is performed by a method selected from the group consisting of dipping, spray coating, and spin coating.
A porous inorganic material and carbon nanotubes are laminated on a porous substrate in which the positive electrode material and the negative electrode material are each cross-stacked n times (n is an integer of 1 to 10, characterized in that a thin film is formed in the matrix of the porous substrate. A barrier that can block air pollutants from
The method of claim 20, wherein the bipolar material is BPEI (Branched, Polyethylenimine) , Chitosan (Chitosan, CHI), PDDA (Diallyldimethylammonium chloride), PEO (Polyethyloxide), CNC (Cellulose nanocrystal) and PVA (Polyvinyl alcohol) composed of A barrier film, characterized in that it is a material selected from the group.
The method of claim 20, wherein the anode material is PAA (Polyacrylic acid (poly(1-carboxyethylene), LDH (Layered double hydroxide), nylon), Nafion (Nafion), polyethylene (Polyethylene), polypropylene (Polypropylene) ) and Polystyrene Sulfonate A barrier film, characterized in that it is a material selected from the group consisting of.
The barrier film according to claim 20, wherein the porous inorganic material is selected from the group consisting of bentonite, montmorillonite, and vermiculite.
Claims 5 to 8, Claims 13 to 14, Claims 20 to 23 any one of the air pollutant blocking mask equipped with any one of the blocking film.
A gas filtration system equipped with a barrier membrane according to any one of claims 6 to 9, 14 to 16, and 22 to 25.
An air pollutant emission prevention system of an air pollutant emission workplace equipped with the barrier film of any one of claims 6 to 9, 14 to 16, and 22 to 25.