CN113663417A - Gauze material, device containing gauze material, preparation method and application of gauze material - Google Patents
Gauze material, device containing gauze material, preparation method and application of gauze material Download PDFInfo
- Publication number
- CN113663417A CN113663417A CN202110865825.XA CN202110865825A CN113663417A CN 113663417 A CN113663417 A CN 113663417A CN 202110865825 A CN202110865825 A CN 202110865825A CN 113663417 A CN113663417 A CN 113663417A
- Authority
- CN
- China
- Prior art keywords
- metal
- gauze
- organic framework
- metal organic
- substrate
- 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.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/30—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by ionisation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0442—Antimicrobial, antibacterial, antifungal additives
Abstract
The invention discloses a preparation method of a metal organic framework gauze material, which comprises the following steps of (1) fully soaking a gauze substrate in a mixed solution of a surfactant and pure water, taking out the fully soaked gauze substrate, pressing liquid by a padder and drying to obtain an initial gauze substrate material; (2) and fully soaking the initial gauze substrate material in a metal organic framework material solution, taking out the fully soaked initial gauze substrate material, and then pressing and drying by using a padder to obtain the metal organic framework gauze material. The gauze material prepared by the method has good stability and excellent capability of killing bacteria, fungi and viruses.
Description
Technical Field
The invention relates to the field of applied chemistry, in particular to a metal organic framework gauze material formed by a metal organic framework material and a gauze substrate, a method for preparing the gauze material, a device containing the gauze material and application of the gauze material or the device.
Background
The Metal Organic Framework (MOF) is a porous material, and is an organic-inorganic hybrid material with a periodic network structure formed by the action of a metal source (such as a metal cluster, a metal oxide or a metal salt) and an organic ligand, and has the advantages of high porosity, rich functional groups, ordered pore channels, various structures and the like.
At present, filter screens are generally installed in air conditioners, air purifiers, fresh air systems and the like and are used for preliminarily filtering pollution particles with larger particle sizes and preventing indoor pollution sources of obvious particles. However, most filter screens on the market only have the function of physically blocking dust and do not have the killing performance on bacteria, fungi and viruses. When the dust gathered by the filter screen is too much, bacteria are easy to breed, the indoor air quality is affected, and the health is threatened. Meanwhile, the filter screen also has the problems of short service life, high cleaning or replacing frequency, high maintenance cost and the like.
The Chinese invention patent application CN112452068A discloses an air conditioner filter component with high efficiency, low resistance, antibiosis and repeated flushing and the application thereof, wherein, the nano silver paint is coated on the surface of a filter screen layer to realize the antibiosis function; in chinese patent CN105536574B, a filtration membrane prepared by spinning or dip coating MOF and polymer is disclosed; the Chinese patent application CN109078489A discloses a high-pass filter screen, which is prepared by growing silica gel doped with silver ions or a molecular sieve, MOF and MOF material doped with photocatalyst on activated carbon cotton or high-pass fibers by a dipping and smearing method or a grafting method; in the chinese invention patent CN109012162B, silica gel or molecular sieve, MOF and the MOF material doped with photocatalyst are grown on activated carbon cotton or high-pass fiber by a method of gas phase lamination, dip coating or chemical corrosion or grafting to prepare a high-pass filter screen. The invention only coats or simply dip-coats the antibacterial substance on the surface of the substrate, the connection tightness of the antibacterial substance and the substrate is limited, and the antibacterial substance is easy to fall off, thereby further influencing the antibacterial effect and the like.
The Chinese patent application CN111286272A discloses a green antibacterial air conditioner filter screen and an air conditioner which can release negative oxygen ions through sterilization by continuously releasing the negative oxygen ions through spraying modified coating on the surface, but the modified coating needs more than ten materials in the manufacturing process, such as chlorophyll, catechin, nano zinc oxide powder, selenium dioxide, potassium octatitanate, gallium arsenide, vermiculite powder, nano aerogel powder and the like, and has high price cost and complicated manufacturing process.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a novel preparation method of a metal organic framework gauze material, which comprises the following steps:
(1) fully soaking a gauze substrate in a mixed solution of a surfactant and pure water, taking out the fully soaked gauze substrate, and then pressing and drying by using a padder to obtain an initial gauze substrate material;
(2) and fully soaking the initial gauze substrate material in a metal organic framework material solution, taking out the fully soaked initial gauze substrate material, and then pressing and drying by using a padder to obtain the metal organic framework gauze material.
Preferably, in the step (1), the concentration of the surfactant in the mixed solution of the surfactant and pure water is 0.02-0.1 g/mL, the padder presses the fully soaked gauze substrate material at a first speed of 10-40 r/min and a first pressure of 0.5-2 Mpa, and the gauze substrate material is dried at a first temperature of 70-120 ℃;
in the step (2), the concentration of the metal organic framework material solution is 20-35 g/L, the padder presses the fully soaked initial gauze substrate material to a rolling liquid at a second speed of 10-40 r/min and a second pressure of 1-4 Mpa, and the drying is carried out at a second temperature of 70-120 ℃.
Preferably, the metal organic framework gauze material has a metal organic framework material loading capacity of 0.05-0.1 g/g.
Preferably, the metal organic framework gauze material has the metal organic framework material loading of 0.08 g/g.
Preferably, the mass change of the metal organic framework gauze material before and after being repeatedly kneaded and bent for 1000 times is not more than 0.002g, and the kneading and bending are realized by the following method: the tweezers clamp one side of the metal organic framework gauze material, and repeatedly fold and knead the other opposite side for 1000 times and 180 degrees, wherein the kneading is simple mutual contact friction, and the folding and the kneading are simultaneously carried out.
Preferably, the surfactant comprises one or more of sulfated castor oil, sodium alkyl naphthalene sulfonate, sodium alkyl sulfosuccinate, fatty alcohol polyoxyethylene ether, lignosulfonate, fluoroalkyl polyacrylate and hydroxyethyl methacrylate.
Preferably, the gauze substrate is selected from one or more of nylon gauze, metal gauze and glass fiber gauze.
Preferably, the metal-organic framework material is formed by connecting a metal source and an organic ligand through a coordination bond, wherein the metal element in the metal source is selected from at least one of Zn, Cu, Co, Al, Fe, Mg, Ti, Zr, Ni, Cr, Mn and V, and the coordination functional group in the organic ligand comprises-CO2H、-CS2H、-NO2、-OH、-NH2、-CN、-SO3H、-SH、
-PO4H2、-AsO3H、-AsO4H、-CH(RSH)2、-C(RSH)3、-CH(RNH2)2、-C(RNH2)3、-CH(ROH)2、-C(ROH)3、-CH(RCN)2、-C(RCN)3、-CH(NH2)2、-C(NH2)3、-CH(CN)2and-C (CN)3Wherein each R in the coordinating functional group independently represents a hydrocarbon group containing 1 to 5 benzene rings.
More preferably, the metal element in the metal source is at least one selected from Zn, Co, Ti, Cu, and Fe.
More preferably, the coordinating functional group in the organic ligand comprises one of terephthalic acid, trimesic acid, 2-amino-terephthalic acid and 2-methylimidazole.
The invention also provides a metal organic framework gauze material which is prepared by the method.
The invention also provides a device comprising the metal organic framework gauze material.
Preferably, the device is an air conditioner, an air purifier or a fresh air system.
The invention also provides the application of the metal organic framework gauze material or the device in killing bacteria, fungi and viruses.
The preparation method is simple and convenient to operate, fast and easy to realize industrial production, the metal organic framework material can be tightly and firmly connected to the gauze material through two-step soaking-pressing liquid, and the obtained gauze material shows excellent capability of killing bacteria, fungi and viruses. Furthermore, the preparation method can adjust the loading capacity of the metal organic framework material of the gauze material and the connection tightness of the metal organic framework material and the gauze substrate by controlling the concentration of the solution, the sequence of soaking, the speed of the padder to the pressing liquid, the pressure of the padder to the pressing liquid and the like. The method can obtain the metal organic framework gauze material with high load capacity and high connection tightness. The prepared gauze material has good stability and can realize high-efficiency killing of bacteria, fungi and viruses.
Drawings
FIG. 1 is an X-ray diffraction pattern of a metal-organic framework material used in an example of the present invention;
fig. 2 is a schematic view of the application of the roll press liquid in the initial screen base material preparation step of the preparation method of the present invention.
Fig. 3 is a schematic view of the implementation of the rolling liquid in the step of preparing the metal organic framework gauze material by the preparation method of the invention.
Detailed Description
The present invention is described in detail with reference to the following specific embodiments, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention disclosed herein should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Some specific terms and symbols of the present invention are explained below:
the metal organic framework material used in the method is a functional porous material, is constructed by a metal source (such as a metal cluster, a metal oxide or a metal salt) and an organic ligand through coordination, has the advantages of inorganic and organic porous materials, and has the characteristics of high specific surface area, ordered and repeatable pore channels, rich functional groups, good stability, various structures and the like. The metal-organic framework materials used in the present invention can be synthesized using methods known in the art, such as hydrothermal method, stirring and standing method, electrolytic method, spinning method, microwave method, hot pressing method, and the like. The above synthetic methods are described, for example, in Katz, M.J. et al. A surface synthesis of UiO-66, UiO-67 and the same derivatives, chem. Commun. 49, 9449-9451, (2013); park, K.S. et al, Experimental chemical and thermal stability of zeolitic imidiazolate frames, P.Natl. Acad. Sci. U S A.103, 10186-; li S. et al. creating Lithium-Ion Electrolytes with a biometric Ionic Channels in Metal-Organic frameworks. DOI: 10.1002/adma. 201707476. The metal organic framework materials prepared by different synthetic methods can be used for the method for killing bacteria, fungi or viruses, wherein the hot pressing method is the method which is originally invented by the inventor of the present application and is described in Chinese patent ZL201510630401.X, which is incorporated into the present invention in its entirety.
The gauze of the present invention refers to a net-shaped material for primarily filtering pollution particles with larger particle sizes, and is generally used in pipelines or devices with the function of filtering pollution particles with larger particle sizes, such as air conditioners, air purifiers, fresh air systems, etc. The gauze can be made of materials commonly used in the field, such as nylon, metal, glass fiber and the like, and the nylon gauze is preferably used as a load-bearing substrate of the metal organic framework material in the invention. The nylon gauze has good durability, wear resistance and flexibility, the diameter of pores is 0.5-2 mm, and the shape of the pores can be square, rectangular, circular and the like.
The load amount of the invention refers to the mass ratio of the metal organic framework material to the whole gauze material, and can be calculated according to the following formula: load amount = (mass of metal organic framework gauze material-mass of gauze substrate)/mass of metal organic framework gauze material.
The 'compactness' of the invention refers to the connection tightness between the metal organic framework material and the gauze substrate, and the invention is characterized by the following modes: after 1000 times of repeated kneading and bending, the quality of the metal organic framework gauze material has no obvious change, such as not more than 0.002g, which proves that the connection tightness between the metal organic framework material and the gauze substrate is high. The 1000 times of repeated kneading and bending are realized by the following method: the tweezers clamp one side of the metal organic framework gauze material, and repeatedly fold and knead the other opposite side for 1000 times and 180 degrees, wherein the kneading is simple mutual contact friction, and the folding and the kneading are simultaneously carried out. The method for producing the screen material of the present invention will be described in detail below.
The surfactant provided by the invention comprises one or more of sulfated castor oil, alkyl naphthalene sodium sulfonate, succinic acid alkyl ester sodium sulfonate, fatty alcohol polyoxyethylene ether, lignosulfonate, fluorine-containing alkyl polyacrylate and hydroxyethyl methacrylate.
The invention discloses a preparation method of a gauze material, which comprises the following steps:
(1) fully soaking a gauze substrate in a mixed solution of a surfactant and pure water, taking out the fully soaked initial gauze substrate, pressing the roll pressing liquid at a first speed and a first pressure by using a padder, and drying at a first temperature to obtain an initial gauze substrate material;
(2) and fully soaking the initial gauze substrate material in a metal organic framework material solution, taking out the fully soaked initial gauze substrate material, pressing the roll to the liquid at a second speed and a second pressure by using a padder, and drying at a second temperature to obtain the metal organic framework gauze material.
According to the invention, the metal organic framework gauze material is originally formed by adopting a continuous soaking-pressing technology, so that the connection tightness of the metal organic framework material and a gauze substrate is increased, the metal organic framework material can be effectively prevented from falling off, and the prepared metal organic framework gauze material can keep the properties of the metal organic framework material and has excellent effects of killing bacteria, fungi and viruses. According to the invention, the initial gauze material is fully soaked in the mixed solution of the surfactant and the pure water, so that the close connection between the metal organic framework material and the gauze is facilitated, and the hydrophobic and oleophobic performances and the anti-fouling performance of the gauze are improved.
In the invention, the metal organic framework material and the gauze substrate can be connected through chemical action to form a composite structure, so that the gauze can continuously grow. For example, the metal organic framework material can be chemically linked with amide bonds of nylon materials to form a composite structure, and then continuously grow.
The surfactant of the invention is preferably selected from one or more of sulfated castor oil, sodium alkyl naphthalene sulfonate, sodium alkyl sulfosuccinate, fatty alcohol polyoxyethylene ether, lignosulfonate, fluorine-containing alkyl polyacrylate and hydroxyethyl methacrylate. The surfactant is easy to form a metal organic framework gauze material, the connection tightness of the metal organic framework material and a gauze substrate is high, and the load of the metal organic framework material is high.
The concentration of the surfactant is preferably 0.02-0.1 g/mL, and in the range, the metal organic framework gauze material is easier to form and waste of raw materials is avoided.
The first speed of the invention is preferably 10-40 r/min, and in the range, more functional groups of the substrate can be exposed, the infiltration degree can be increased, more surfactants can be attached to the gauze substrate, and the load of the final metal organic framework material is high.
The first pressure of the present invention is not particularly limited, and is preferably 0.5 to 2 Mpa, within the above range, the functional group of the substrate is more exposed, and further the loading amount of the final metal organic framework material is higher.
The first temperature of the present invention is not particularly limited as long as the gauze substrate material can be dried, and is preferably 70 to 120 ℃, and the metal organic framework gauze material can be dried rapidly without damaging the gauze substrate within the above range.
The solubility of the metal organic framework solution is preferably 20-35 g/L, and within the range, the connection tightness of the metal organic framework material and the gauze substrate is high, and the load of the metal organic framework material is high.
The second speed of the invention is preferably 10-40 r/min, and within the range, the metal organic framework material is combined with the gauze substrate more fully, and the loading of the metal organic framework material is high.
The second pressure of the invention is preferably 1-4 Mpa, and in the range, the connection tightness of the metal organic framework material and the gauze substrate is high, and the load of the metal organic framework material is high.
The second temperature of the present invention is not particularly limited as long as the metal organic framework gauze material can be dried, and is preferably 70 to 120 ℃, and the metal organic framework gauze material can be dried rapidly without damaging the gauze substrate within the above range.
The loading capacity of the metal organic framework in the gauze material is preferably 0.05-0.1 g/g, and the connection tightness between the metal organic framework material and the gauze substrate is high within the range.
The loading amount of the metal organic framework in the gauze material is preferably 0.08 g/g, and the connection tightness between the metal organic framework material and the gauze substrate is high within the range.
The gauze material of the invention has the mass change of preferably not more than 0.002g before and after repeatedly kneading and bending for 1000 times, and the connection tightness between the metal organic framework material and the gauze substrate is high within the range.
The gauze substrate is preferably one or more selected from nylon gauze, metal gauze and glass fiber gauze, and the gauze substrate material is easy to form a metal organic framework gauze material, and the metal organic framework gauze material and the gauze substrate have high connection tightness and high load of the metal organic framework material.
The method for preparing the gauze material, the prepared gauze material and the bactericidal and antiviral effects of the gauze material are described below with reference to the accompanying drawings.
Synthesis and characterization of metal-organic framework materials
1. Synthesis of metal organic framework material
The metal-organic framework material is formed by the action of a metal source and an organic ligand. The metal organic framework material synthesized by the method has excellent bactericidal and antiviral effects under the illumination condition.
The metal source of the metal-organic framework material of the present invention may be a metal cluster, a metal oxide, a metal ion, etc., and the metal element contained In the metal source may be freely selected, for example, at least one of Mg, Sc, Y, Ti, Zr, V, Nb, Cr, Mo, Mn, Fe, Ru, Co, Rh, Ni, Cu, Ag, Zn, Cd, Al, In, Ce, Nd, Sm, Gd, Er, Si. Preferably, the metal element comprises at least one of Zn, Cu, Co, Al, Fe, Mg, Ti, Zr, Ni, Cr, Mn, V. More preferably, the metal element includes at least one of Zn, Co, Ti, Cu, Fe, and V. When the metal element is at least one of Zn, Co, Ti, Cu, Fe and V, the sterilizing and antiviral effect obtained by using the method for killing bacteria, fungi or viruses of the invention is more excellent, and the sterilizing and antiviral effect reaches 70 percent, even the medical sterilizing and antiviral standard is higher. The organic ligand may be-CO2H、-CS2H、-NO2、-OH、-NH2、-CN、-SO3H、-SH、
-PO4H2、-AsO3H、-AsO4H、-CH(RSH)2、-C(RSH)3、-CH(RNH2)2、-C(RNH2)3、-CH(ROH)2、-C(ROH)3、-CH(RCN)2、-C(RCN)3、-CH(NH2)2、-C(NH2)3、-CH(CN)2and-C (CN)3Wherein each R in the coordinating functional group independently represents a hydrocarbon group containing 1 to 5 benzene rings. Preferably, the organic ligands include terephthalic acid, trimesic acid, 1, 3, 5-tris (4-carboxyphenyl) benzene (H)3BTB) and 2-methylimidazole.
The synthesis method of the metal organic framework material can be a conventional hydrothermal or solvothermal synthesis method, a stirring synthesis method, a mechanical grinding method, a hot pressing method, a microwave method, a spinning method and the like, the molar ratio of the metal source to the organic ligand can be 3: 1-1: 3, the reaction temperature can be room temperature-220 ℃, and the reaction time can be 5 min-48 h.
The synthesis method of the metal organic framework material used in the invention comprises the following steps:
fe-metal organic framework material (Fe-MOF): adopting microwave synthesis, preparing aqueous solution of ferric nitrate and terephthalic acid according to the molar ratio of 1:2, uniformly mixing, reacting at 120 ℃ for 60 minutes to obtain a product, drying the obtained product at 80 ℃, activating for 24 hours at 150 ℃ in vacuum, and removing the organic solvent in the pores.
Cu-metal organic framework material (Cu-MOF): the preparation method comprises the steps of adopting a stirring method for synthesis, respectively dissolving copper nitrate and trimesic acid in DMF according to a molar ratio of 3:1, slowly adding a ligand solution into a metal salt solution, stirring at a high speed for half an hour to obtain a product, drying the obtained product at 85 ℃, activating for 12 hours at 150 ℃ in vacuum, and removing organic solvents in pores.
Zn-metal organic framework material (Zn-MOF): synthesizing by adopting mechanical ball milling, wherein zinc oxide and 2-methylimidazole are mixed according to a molar ratio of 1:2, then adding 1mL of ethanol, carrying out ball milling for 30min, and washing with ethanol to obtain the product.
Co-metal organic framework material (Co-MOF): the synthesis is carried out by adopting a solvothermal method: preparing a DMF solution of cobalt nitrate and 2-methylimidazole according to a molar ratio of 1:2.5, mixing the two solutions, reacting at 120 ℃ for 24 hours to obtain a product, drying the product at 85 ℃, activating for 12 hours at 150 ℃ in vacuum, and removing the organic solvent in the pores.
Ti-metal organic framework material (Ti-MOF): the synthesis is carried out by adopting a solvothermal method: preparing a DMF solution of isopropyl titanate and 2-amino-terephthalic acid according to a molar ratio of 1:2, mixing the isopropyl titanate and the DMF solution, reacting for 15 hours at 150 ℃ to obtain a product, drying the product at 85 ℃, activating for 12 hours at 150 ℃ in vacuum, and removing the organic solvent in the pores.
2. Characterization of properties of metal organic framework materials:
the prepared metal-organic framework material was characterized by X-ray powder diffraction using an instrument Bruker D8 Advance (Bruker, germany) with parameters of voltage 40 kV, current 15mA, Cu target, λ ═ 0.154 nm.
Preparation and characterization of (II) gauze Material
1. Preparation of gauze Material
(1) Mixing a surfactant and pure water to obtain a solution (wherein the concentration of the surfactant is 0.02-0.1 g/mL), soaking a gauze substrate in the solution for 1-3 minutes, pressing the solution with a roller at a first speed of 10-40 r/min and a first pressure of 0.5-2 MPa by using a padder, and drying the solvent at a first temperature of 70-120 ℃ to obtain an initial gauze substrate material;
(2) mixing the metal organic framework material prepared by the method in the step (I) with water, performing ultrasonic accelerated dissolution to prepare a metal organic framework material solution with the concentration of 20-35 g/L, soaking the initial gauze substrate material obtained in the step (1) in the metal organic framework material solution for 1-3 minutes, pressing the solution with a roller at a second speed of 10-40 r/min and a second pressure of 1-4 MPa, and drying the solvent at a second temperature of 70-120 ℃ to obtain the metal organic framework gauze material.
2. Measurement of the load of a metal-organic framework material
The gauze substrate and the metal organic framework gauze material are weighed, and then the loading capacity of the metal organic framework gauze material is calculated according to the following formula.
Load quantity = (mass of metal organic framework gauze material-mass of gauze substrate)/mass of metal organic framework gauze material
3. Measurement of connection tightness of metal organic framework material and gauze substrate
Weighing the mass of the metal organic framework gauze material, repeatedly kneading and bending the metal organic framework gauze material for 1000 times, weighing the mass of the metal organic framework gauze material again, and representing the connection tightness between the metal organic framework gauze material and the gauze substrate according to the mass change.
Method for testing bactericidal and antiviral effects of gauze material
1. Method for testing bactericidal effect of gauze material
(1) Cutting the metal organic framework gauze material and the original gauze substrate to (50 +/-2) mm multiplied by (50 +/-2) mm respectively, cutting the polyethylene film to (40 +/-2) mm multiplied by (40 +/-2) mm, soaking the polyethylene film in 70% ethanol solution, washing the polyethylene film with sterile water after 1 min, and naturally drying the polyethylene film.
(2) And respectively placing the cut metal organic framework gauze material and the original gauze substrate in a sterilized watch glass. 0.2 mL of each bacterial suspension (5.0X 10)5～10.0×105CFU/mL) were dropped onto both samples and laid flat with a polyethylene film cover. And (3) covering the surface dish cover, culturing for 24 hours at the temperature of (37 +/-1) DEG C and the relative humidity of more than 90% RH, counting bacterial colonies in the culture dish, and calculating the bacterial sterilization rate.
Bacterial kill rate MbThe calculation method of (2) is as follows:
Mb=（C0-C）/C0 × 100%
C0: the number of bacteria growing in contact with the original screen;
c: number of bacteria growth contacting the metal organic framework gauze material.
2. Method for testing antifungal effect of gauze material
(1) Cutting the metal organic framework gauze material and the original gauze substrate to (50 +/-2) mm multiplied by (50 +/-2) mm respectively, cutting the polyethylene film to (40 +/-2) mm multiplied by (40 +/-2) mm, soaking the polyethylene film in 70% ethanol solution, washing the polyethylene film with sterile water after 1 min, and naturally drying the polyethylene film.
(2) And respectively placing the cut metal organic framework gauze material and the original gauze substrate in a sterilized watch glass. 0.2 mL of each test fungus suspension (1.0X 10)5CFU/mL) were dropped onto both samples and laid flat with a polyethylene film cover. Covering a surface dish cover, culturing for 24 h at (37 +/-1) DEG C and relative humidity of more than 90% RH, counting bacterial colonies in the culture dish, and calculating the fungus sterilization rate M according to the calculation formula of the bacterium sterilization ratef。
3. Method for testing virus killing effect of gauze material
(1) Cutting the metal organic framework gauze material and the original gauze substrate to (50 +/-2) mm multiplied by (50 +/-2) mm respectively, soaking with 70% ethanol solution, washing with sterile water after 1 min, and naturally drying.
(2) And respectively placing the cut metal organic framework gauze material and the original gauze substrate in a sterilized watch glass. Will dilute to 105TCID50/mL virus was applied dropwise and uniformly to both samples, and after 1 hour, the virus solutions were aspirated and added to 96-well MDCK canine kidney cell culture plates at 37 ℃ with 5% volume fraction CO2Incubate in incubator, collect supernatant after 3 days for virus titration.
The antiviral effect is expressed by the kill rate, which is calculated according to the following formula:
Mv=-lg(C/C0)=-[lg(C)-lg(C0)]；
kill rate = [1-10 =-Mv]×100%；
Wherein Mv is the antiviral efficacy value; c0TCID50/mL representing exposure of the original screen to the viral solution; c represents the TCID50/mL of the virus solution contacting the metal organic framework screen material.
Examples
The following examples specifically illustrate the method of making the screen material.
Example 1
(1) Synthesis of metal organic framework materials (MOF materials)
The metal source of the metal-organic framework material is ferric nitrate, the organic ligand is terephthalic acid, and the preparation method is carried out according to the method in the step 1, the synthesis of the metal-organic framework material. The X-ray diffraction pattern of the prepared metal-organic framework material is shown in fig. 1A, wherein a represents a simulation curve, and b represents an experimental curve. As shown in the figure, the prepared metal organic framework material is consistent with a simulation curve, which indicates that the metal organic framework material is successfully obtained.
(2) Preparation of gauze Material
The preparation was carried out according to the method in "1. preparation of gauze material". The method comprises the following specific steps:
mixing 124g of surfactant alkyl naphthalene sulfonate (the name of the manufacturer: Chishiai (Shanghai) chemical industry development limited) and 2796g of pure water to obtain a mixed solution, soaking a gauze substrate (a nylon gauze substrate) in the mixed solution for 2 minutes, then pressing the roll pressing liquid (as shown in figure 2, wherein 1 is a padder, and 2 is a gauze substrate material soaked with the surfactant solution) at a first speed of 30 r/min and a first pressure of 2 Mpa by using a padder, and drying moisture at a first temperature of 100 ℃ to obtain an initial gauze substrate material;
and secondly, mixing 78.6g of the metal organic framework material obtained in the step (1) with 3L of pure water, performing ultrasonic accelerated dissolution to prepare a metal organic framework material solution with the concentration of 26.2g/L, soaking the initial gauze substrate material obtained in the step (i) in the metal organic framework material solution for 2 minutes, then rolling the gauze substrate material with a padder at a second speed of 30 r/min and a second pressure of 2 MPa (as shown in figure 3, wherein 1 is the padder, and 2' is the gauze substrate material soaked with the metal organic framework material solution), and drying water at a second temperature of 100 ℃ to obtain the metal organic framework gauze material.
(3) Characterization of Screen Material
The load amount of the gauze material obtained in (2) was measured by the method in "2. measurement of the load amount of the metal organic framework material", and the results are recorded in table 1.
Load amount = (mass of metal organic framework gauze material-mass of gauze substrate)/mass of metal organic framework gauze material.
(4) Bactericidal and antiviral effects of screen materials
And (3) carrying out a sterilization effect test according to the method in the step 1, the method for testing the sterilization effect of the gauze material, wherein the bacteria is escherichia coli.
And (2) carrying out a sterilization effect test according to the method in the step 2, which is established by the method for testing the effect of the gauze material on killing fungi, wherein the fungi are candida albicans.
The antiviral effect test was carried out according to the method in "3. establishment of test method for virucidal effect of gauze material", wherein the fungus was H1N1 influenza virus.
Specific kill/virucidal rates are reported in table 1. The following examples show the same bactericidal and antiviral properties and test methods for each gauze material.
Example 2
The experimental conditions were the same as in example 1, except that the concentration of the metal-organic framework material was 20 g/L. The kill/virucidal rates are reported in table 1.
Example 3
The experimental conditions were the same as in example 1, except that the concentration of the metal-organic framework material was 35 g/L. The kill/virucidal rates are reported in table 1.
Example 4
The experimental conditions were the same as in example 1 except that the second speed was 10 r/min. The kill/virucidal rates are reported in table 1.
Example 5
The experimental conditions were the same as in example 1 except that the second speed was 40 r/min. The kill/virucidal rates are reported in table 1.
Example 6
The experimental conditions were the same as in example 1 except that the second pressure was 1 MPa. The kill/virucidal rates are reported in table 1.
Example 7
The experimental conditions were the same as in example 1 except that the second pressure was 4 MPa. The kill/virucidal rates are reported in table 1.
Example 8
The experimental conditions were the same as in example 1 except that the concentration of the surfactant was 0.02 g/mL. The kill/virucidal rates are reported in table 1.
Example 9
The experimental conditions were the same as in example 1 except that the concentration of the surfactant was 0.1 g/mL. The kill/virucidal rates are reported in table 1.
Example 10
The experimental conditions were the same as in example 1, except that the first speed was 10 r/min. The kill/virucidal rates are reported in table 1.
Example 11
The experimental conditions were the same as in example 1, except that the first speed was 40 r/min. The kill/virucidal rates are reported in table 1.
Example 12
The experimental conditions were the same as in example 1 except that the first pressure was 0.5 MPa. The kill/virucidal rates are reported in table 1.
Example 13
The experimental conditions were the same as in example 1 except that the first pressure was 1 MPa. The kill/virucidal rates are reported in table 1.
Example 14
The experimental conditions were the same as in example 1 except that the metal source of the metal-organic framework material was copper nitrate and the organic ligand was trimesic acid. The X-ray diffraction pattern of the prepared metal-organic framework material is shown in fig. 1B, wherein a represents a simulation curve, and B represents an experimental curve. As shown in the figure, the prepared metal organic framework material is consistent with a simulation curve, which indicates that the metal organic framework material is successfully obtained. The kill/viruse ratio is reported in table 2.
Example 15
The experimental conditions were the same as in example 2 except that the metal source of the metal-organic framework material was copper nitrate and the organic ligand was trimesic acid. The kill/viruse ratio is reported in table 2.
Example 16
The experimental conditions were the same as in example 3 except that the metal source of the metal-organic framework material was copper nitrate and the organic ligand was trimesic acid. The kill/viruse ratio is reported in table 2.
Example 17
The experimental conditions were the same as in example 4 except that the metal source of the metal-organic framework material was copper nitrate and the organic ligand was trimesic acid. The kill/viruse ratio is reported in table 2.
Example 18
The experimental conditions were the same as in example 5 except that the metal source of the metal-organic framework material was copper nitrate and the organic ligand was trimesic acid. The kill/viruse ratio is reported in table 2.
Example 19
The experimental conditions were the same as in example 6 except that the metal source of the metal-organic framework material was copper nitrate and the organic ligand was trimesic acid. The kill/viruse ratio is reported in table 2.
Example 20
The experimental conditions were the same as in example 7 except that the metal source of the metal-organic framework material was copper nitrate and the organic ligand was trimesic acid. The kill/viruse ratio is reported in table 2.
Example 21
The experimental conditions were the same as in example 8 except that the metal source of the metal-organic framework material was copper nitrate and the organic ligand was trimesic acid. The kill/viruse ratio is reported in table 2.
Example 22
The experimental conditions were the same as in example 9 except that the metal source of the metal-organic framework material was copper nitrate and the organic ligand was trimesic acid. The kill/viruse ratio is reported in table 2.
Example 23
The experimental conditions were the same as in example 10 except that the metal source of the metal-organic framework material was copper nitrate and the organic ligand was trimesic acid. The kill/viruse ratio is reported in table 2.
Example 24
The experimental conditions were the same as in example 11 except that the metal source of the metal-organic framework material was copper nitrate and the organic ligand was trimesic acid. The kill/viruse ratio is reported in table 2.
Example 25
The experimental conditions were the same as in example 12 except that the metal source of the metal-organic framework material was copper nitrate and the organic ligand was trimesic acid. The kill/viruse ratio is reported in table 2.
Example 26
The experimental conditions were the same as in example 13 except that the metal source of the metal-organic framework material was copper nitrate and the organic ligand was trimesic acid. The kill/viruse ratio is reported in table 2.
Example 27
The experimental conditions were the same as in example 1 except that the metal source of the metal-organic framework material was zinc oxide and the organic ligand was 2-methylimidazole. The X-ray diffraction pattern of the prepared metal-organic framework material is shown in fig. 1C, wherein a represents a simulation curve, and b represents an experimental curve. As shown in the figure, the prepared metal organic framework material is consistent with a simulation curve, which indicates that the metal organic framework material is successfully obtained. The kill/virucidal rates are reported in table 3.
Example 28
The experimental conditions were the same as in example 2 except that the metal source of the metal-organic framework material was zinc oxide and the organic ligand was 2-methylimidazole. The kill/virucidal rates are reported in table 3.
Example 29
The experimental conditions were the same as in example 3 except that the metal source of the metal-organic framework material was zinc oxide and the organic ligand was 2-methylimidazole. The kill/virucidal rates are reported in table 3.
Example 30
The experimental conditions were the same as in example 4 except that the metal source of the metal-organic framework material was zinc oxide and the organic ligand was 2-methylimidazole. The kill/virucidal rates are reported in table 3.
Example 31
The experimental conditions were the same as in example 5 except that the metal source of the metal-organic framework material was zinc oxide and the organic ligand was 2-methylimidazole. The kill/virucidal rates are reported in table 3.
Example 32
The experimental conditions were the same as in example 6 except that the metal source of the metal-organic framework material was zinc oxide and the organic ligand was 2-methylimidazole. The kill/virucidal rates are reported in table 3.
Example 33
The experimental conditions were the same as in example 7 except that the metal source of the metal-organic framework material was zinc oxide and the organic ligand was 2-methylimidazole. The kill/virucidal rates are reported in table 3.
Example 34
The experimental conditions were the same as in example 8 except that the metal source of the metal-organic framework material was zinc oxide and the organic ligand was 2-methylimidazole. The kill/virucidal rates are reported in table 3.
Example 35
The experimental conditions were the same as in example 9 except that the metal source of the metal-organic framework material was zinc oxide and the organic ligand was 2-methylimidazole. The kill/virucidal rates are reported in table 3.
Example 36
The experimental conditions were the same as in example 10 except that the metal source of the metal-organic framework material was zinc oxide and the organic ligand was 2-methylimidazole. The kill/virucidal rates are reported in table 3.
Example 37
The experimental conditions were the same as in example 11 except that the metal source of the metal-organic framework material was zinc oxide and the organic ligand was 2-methylimidazole. The kill/virucidal rates are reported in table 3.
Example 38
The experimental conditions were the same as in example 12 except that the metal source of the metal-organic framework material was zinc oxide and the organic ligand was 2-methylimidazole. The kill/virucidal rates are reported in table 3.
Example 39
The experimental conditions were the same as in example 13 except that the metal source of the metal-organic framework material was zinc oxide and the organic ligand was 2-methylimidazole. The kill/virucidal rates are reported in table 3.
Example 40
The experimental conditions were the same as in example 1 except that the metal source of the metal-organic framework material was cobalt nitrate and the organic ligand was 2-methylimidazole. The X-ray diffraction pattern of the prepared metal-organic framework material is shown in fig. 1D, wherein a represents a simulation curve, and b represents an experimental curve. As shown in the figure, the prepared metal organic framework material is consistent with a simulation curve, which indicates that the metal organic framework material is successfully obtained. The kill/viruse ratio is reported in table 4.
EXAMPLE 41
The experimental conditions were the same as in example 2 except that the metal source of the metal-organic framework material was cobalt nitrate and the organic ligand was 2-methylimidazole. The kill/viruse ratio is reported in table 4.
Example 42
The experimental conditions were the same as in example 3 except that the metal source of the metal-organic framework material was cobalt nitrate and the organic ligand was 2-methylimidazole. The kill/viruse ratio is reported in table 4.
Example 43
The experimental conditions were the same as in example 4 except that the metal source of the metal-organic framework material was cobalt nitrate and the organic ligand was 2-methylimidazole. The kill/viruse ratio is reported in table 4.
Example 44
The experimental conditions were the same as in example 5 except that the metal source of the metal-organic framework material was cobalt nitrate and the organic ligand was 2-methylimidazole. The kill/viruse ratio is reported in table 4.
Example 45
The experimental conditions were the same as in example 6 except that the metal source of the metal-organic framework material was cobalt nitrate and the organic ligand was 2-methylimidazole. The kill/viruse ratio is reported in table 4.
Example 46
The experimental conditions were the same as in example 7 except that the metal source of the metal-organic framework material was cobalt nitrate and the organic ligand was 2-methylimidazole. The kill/viruse ratio is reported in table 4.
Example 47
The experimental conditions were the same as in example 8 except that the metal source of the metal-organic framework material was cobalt nitrate and the organic ligand was 2-methylimidazole. The kill/viruse ratio is reported in table 4.
Example 48
The experimental conditions were the same as in example 9 except that the metal source of the metal-organic framework material was cobalt nitrate and the organic ligand was 2-methylimidazole. The kill/viruse ratio is reported in table 4.
Example 49
The experimental conditions were the same as in example 10 except that the metal source of the metal-organic framework material was cobalt nitrate and the organic ligand was 2-methylimidazole. The kill/viruse ratio is reported in table 4.
Example 50
The experimental conditions were the same as in example 11 except that the metal source of the metal-organic framework material was cobalt nitrate and the organic ligand was 2-methylimidazole. The kill/viruse ratio is reported in table 4.
Example 51
The experimental conditions were the same as in example 12 except that the metal source of the metal-organic framework material was cobalt nitrate and the organic ligand was 2-methylimidazole. The kill/viruse ratio is reported in table 4.
Example 52
The experimental conditions were the same as in example 13 except that the metal source of the metal-organic framework material was cobalt nitrate and the organic ligand was 2-methylimidazole. The kill/viruse ratio is reported in table 4.
Example 53
The experimental conditions were the same as in example 1 except that the metal source of the metal organic framework material was isopropyl titanate and the organic ligand was 2-amino-terephthalic acid. The X-ray diffraction pattern of the prepared metal-organic framework material is shown in fig. 1E, wherein a represents a simulation curve, and b represents an experimental curve. As shown in the figure, the prepared metal organic framework material is consistent with a simulation curve, which indicates that the metal organic framework material is successfully obtained. The kill/viruse ratio is reported in table 5.
Example 54
The experimental conditions were the same as in example 2 except that the metal source of the metal organic framework material was isopropyl titanate and the organic ligand was 2-amino-terephthalic acid. The kill/viruse ratio is reported in table 5.
Example 55
The experimental conditions were the same as in example 3 except that the metal source of the metal organic framework material was isopropyl titanate and the organic ligand was 2-amino-terephthalic acid. The kill/viruse ratio is reported in table 5.
Example 56
The experimental conditions were the same as in example 4 except that the metal source of the metal organic framework material was isopropyl titanate and the organic ligand was 2-amino-terephthalic acid. The kill/viruse ratio is reported in table 5.
Example 57
The experimental conditions were the same as in example 5 except that the metal source of the metal organic framework material was isopropyl titanate and the organic ligand was 2-amino-terephthalic acid. The kill/viruse ratio is reported in table 5.
Example 58
The experimental conditions were the same as in example 6 except that the metal source of the metal organic framework material was isopropyl titanate and the organic ligand was 2-amino-terephthalic acid. The kill/viruse ratio is reported in table 5.
Example 59
The experimental conditions were the same as in example 7 except that the metal source of the metal organic framework material was isopropyl titanate and the organic ligand was 2-amino-terephthalic acid. The kill/viruse ratio is reported in table 5.
Example 60
The experimental conditions were the same as in example 8 except that the metal source of the metal organic framework material was isopropyl titanate and the organic ligand was 2-amino-terephthalic acid. The kill/viruse ratio is reported in table 5.
Example 61
The experimental conditions were the same as in example 9 except that the metal source of the metal organic framework material was isopropyl titanate and the organic ligand was 2-amino-terephthalic acid. The kill/viruse ratio is reported in table 5.
Example 62
The experimental conditions were the same as in example 10 except that the metal source of the metal-organic framework material was isopropyl titanate and the organic ligand was 2-amino-terephthalic acid. The kill/viruse ratio is reported in table 5.
Example 63
The experimental conditions were the same as in example 11 except that the metal source of the metal organic framework material was isopropyl titanate and the organic ligand was 2-amino-terephthalic acid. The kill/viruse ratio is reported in table 5.
Example 64
The experimental conditions were the same as in example 12 except that the metal source of the metal-organic framework material was isopropyl titanate and the organic ligand was 2-amino-terephthalic acid. The kill/viruse ratio is reported in table 5.
Example 65
The experimental conditions were the same as in example 13 except that the metal source of the metal organic framework material was isopropyl titanate and the organic ligand was 2-amino-terephthalic acid. The kill/viruse ratio is reported in table 5.
Example 66
The experimental conditions were the same as in example 1 except that the gauze substrate was an iron metal substrate. The bacteria killing rate is 99.98%, the fungus killing rate is 99.98%, and the virus killing rate is 99.98%.
Example 77
The experimental conditions were the same as in example 16 except that the gauze substrate was a copper metal substrate. The bacteria killing rate is 99.97%, the fungus killing rate is 99.97%, and the virus killing rate is 99.98%.
Example 68
The experimental conditions were the same as in example 31 except that the gauze substrate was a zinc metal substrate. The bacteria killing rate is 99.99%, the fungus killing rate is 99.99%, and the virus killing rate is 99.99%.
Example 69
The experimental conditions were the same as in example 46 except that the gauze substrate was a cobalt metal substrate. The bacteria killing rate is 99.99%, the fungus killing rate is 99.99%, and the virus killing rate is 99.99%.
Example 70
The experimental conditions were the same as in example 61 except that the gauze substrate was a titanium substrate. The bacteria killing rate is 99.99%, the fungus killing rate is 99.99%, and the virus killing rate is 99.99%.
Example 71
The following method was used to examine the connection tightness between the metal-organic framework material and the gauze substrate of the gauze material of the present invention.
Connection tightness experiment: five pieces (each having an area of 10X 10 cm) of the metal-organic framework gauze material obtained in example 1 were selected and weighed (M)Front side) Then, the metal organic skeleton gauze material was repeatedly folded and kneaded 1000 times (one side of the metal organic skeleton gauze material was held by tweezers, and the opposite side was repeatedly folded and kneaded 1000 times and 180 degrees, wherein the kneading was simple mutual contact friction, and the folding and kneading were performed simultaneously), and the mass of the metal organic skeleton gauze material was weighed again (M)Rear end) The mass change (. DELTA.M) is reported in Table 6. The kneaded gauze material was subjected to a bactericidal antiviral effect test in accordance with the method in example 1, and the results are recorded in table 6.
Control experiment: firstly, preparing a gauze material by a simple soaking method: the experimental conditions were the same as in example 1 except that the first pressure and the second pressure were 0. Then, the gauze material prepared by the simple soaking method was weighed, kneaded, and subjected to the bactericidal and antiviral effect test according to the method in the "tightness of connection experiment" described above, and the mass change and bactericidal and antiviral results were recorded in table 7.
TABLE 1
TABLE 2
TABLE 3
TABLE 4
TABLE 5
TABLE 6 Mass Change before and after 1000 cycles of rubbing and bending of the Metal organic framework gauze and Sterilization/antivirus Performance after rubbing
TABLE 7 preparation of Metal organic framework gauze by simple immersion Mass Change before and after 1000 cycles of kneading and after kneading Sterilization/antiviral Properties
As can be seen from the above examples and comparative examples, the metal organic framework gauze material prepared by the preparation method of the present invention has better connection stability between the metal organic framework and the gauze substrate than the metal organic framework gauze material prepared by other methods. In the invention, the concentration of the solution, the speed of the padder roller pair and the pressure of the padder roller pair can influence the loading capacity of the metal organic framework material in the gauze material, wherein the higher the concentration of the metal organic framework material is, the higher the loading capacity of the metal organic framework material is; the smaller the second speed is, the higher the loading capacity of the metal organic framework material is; the smaller the second pressure, the higher the metal organic framework material loading.
Compared with the metal organic framework gauze material prepared by other methods, the metal organic framework gauze material prepared by the preparation method has better sterilization and antivirus effects. The gauze material using different metal organic framework materials has good sterilization and antivirus effects; when the load capacity of the metal organic framework material is 0.08 g/g, the bactericidal and antiviral effects are excellent, and the bactericidal rate and the virus killing rate can reach 99.99 percent at most; the gauze material has good connection stability of the metal organic framework material and the gauze substrate, has stable sterilization and antivirus effects, and can be used for a long time. The metal organic framework gauze material has excellent bactericidal and antiviral effects, and is more than 81 percent, even up to 99.99 percent, against bacteria; the content of the fungus is more than 83 percent, even reaches 99.99 percent; the virus content is more than 82%, even 99.99%.
The metal organic framework gauze material is simple, convenient and quick, is easy to realize a preparation method for industrial production, has excellent stability, universal and efficient killing capability on bacteria, fungi and viruses, is suitable for being installed in equipment such as air conditioners, air purifiers, fresh air systems and the like to effectively kill the bacteria, the fungi and the viruses in the environment, and has wide market application.
Claims (14)
1. The preparation method of the metal organic framework gauze material is characterized by comprising the following steps of:
(1) fully soaking a gauze substrate in a mixed solution of a surfactant and pure water, taking out the fully soaked gauze substrate, and then pressing and drying by using a padder to obtain an initial gauze substrate material;
(2) and fully soaking the initial gauze substrate material in a metal organic framework material solution, taking out the fully soaked initial gauze substrate material, and then pressing and drying by using a padder to obtain the metal organic framework gauze material.
2. The method of claim 1, wherein the metal-organic framework gauze material is prepared by a method comprising the steps of,
in the step (1), the concentration of the surfactant in the mixed solution of the surfactant and pure water is 0.02-0.1 g/mL, the padder presses the fully soaked gauze substrate material to a roller pressing liquid at a first speed of 10-40 r/min and a first pressure of 0.5-2 Mpa, and the gauze substrate material is dried at a first temperature of 70-120 ℃;
in the step (2), the concentration of the metal organic framework material solution is 20-35 g/L, the padder presses the fully soaked initial gauze substrate material to a rolling liquid at a second speed of 10-40 r/min and a second pressure of 1-4 Mpa, and the drying is carried out at a second temperature of 70-120 ℃.
3. The method for preparing the metal-organic framework gauze material according to claim 1, wherein the metal-organic framework gauze material has a metal-organic framework loading of 0.05-0.1 g/g.
4. The method of claim 1, wherein the metal-organic framework gauze material has a metal-organic framework loading of 0.08 g/g.
5. The method of claim 1, wherein the mass change of the metal-organic framework gauze material before and after 1000 repeated bending cycles is not more than 0.002g, wherein the bending cycles are achieved by: the tweezers clamp one side of the metal organic framework gauze material, and repeatedly fold and knead the other opposite side for 1000 times and 180 degrees, wherein the kneading is simple mutual contact friction, and the folding and the kneading are simultaneously carried out.
6. The method of claim 1, wherein the surfactant comprises one or more of sulfated castor oil, sodium alkyl naphthalene sulfonate, sodium alkyl sulfosuccinate, fatty alcohol polyoxyethylene ether, lignosulfonate, fluoroalkyl polyacrylate, and hydroxyethyl methacrylate.
7. The method for preparing the metal organic framework gauze material according to claim 1, wherein the gauze substrate is one or more selected from nylon gauze, metal gauze and glass fiber gauze.
8. The method of any one of claims 1-7The preparation method of the metal organic framework gauze material is characterized in that the metal organic framework gauze material is formed by connecting a metal source and an organic ligand through coordination bonds, wherein the metal element in the metal source is selected from at least one of Zn, Cu, Co, Al, Fe, Mg, Ti, Zr, Ni, Cr, Mn and V, and the coordination functional group in the organic ligand comprises-CO2H、-CS2H、-NO2、-OH、-NH2、-CN、-SO3H、-SH、
-PO4H2、-AsO3H、-AsO4H、-CH(RSH)2、-C(RSH)3、-CH(RNH2)2、-C(RNH2)3、-CH(ROH)2、-C(ROH)3、-CH(RCN)2、-C(RCN)3、-CH(NH2)2、-C(NH2)3、-CH(CN)2and-C (CN)3Wherein each R in the coordinating functional group independently represents a hydrocarbon group containing 1 to 5 benzene rings.
9. The method for preparing a metal-organic framework gauze material according to claim 8, characterized in that the metal element in the metal source is at least one selected from Zn, Co, Ti, Cu and Fe.
10. The method of claim 8, wherein the coordinating functionality of the organic ligand comprises one of terephthalic acid, trimesic acid, 2-amino-terephthalic acid, and 2-methylimidazole.
11. A metal organic framework gauze material, characterized by being prepared by the method for preparing the metal organic framework gauze material according to any one of claims 1 to 10.
12. A device comprising the metal organic framework screen material of claim 11.
13. The device of claim 12, wherein the device is an air conditioner, an air purifier, or a fresh air system.
14. Use of a metal organic framework gauze material according to claim 11 or a device according to any of claims 12 to 13 for killing bacteria, fungi, viruses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110865825.XA CN113663417A (en) | 2021-07-29 | 2021-07-29 | Gauze material, device containing gauze material, preparation method and application of gauze material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110865825.XA CN113663417A (en) | 2021-07-29 | 2021-07-29 | Gauze material, device containing gauze material, preparation method and application of gauze material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113663417A true CN113663417A (en) | 2021-11-19 |
Family
ID=78540717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110865825.XA Pending CN113663417A (en) | 2021-07-29 | 2021-07-29 | Gauze material, device containing gauze material, preparation method and application of gauze material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113663417A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114402954A (en) * | 2022-01-14 | 2022-04-29 | 深圳大学 | Slope protection vegetation and manufacturing method thereof |
-
2021
- 2021-07-29 CN CN202110865825.XA patent/CN113663417A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114402954A (en) * | 2022-01-14 | 2022-04-29 | 深圳大学 | Slope protection vegetation and manufacturing method thereof |
| CN114402954B (en) * | 2022-01-14 | 2023-09-15 | 深圳大学 | Revetment vegetation and manufacturing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Lin et al. | Thermo and light-responsive strategies of smart titanium-containing composite material surface for enhancing bacterially anti-adhesive property | |
| Ji et al. | ZnO/Ag nanoparticles incorporated multifunctional parallel side by side nanofibers for air filtration with enhanced removing organic contaminants and antibacterial properties | |
| KR102041519B1 (en) | Nanocomposite polymer-carbon based nanomaterial filter for the simultaneous removal of bacteria and heavy metals | |
| Teo et al. | Facile preparation of antibacterial MOF‐fabric systems for functional protective wearables | |
| CN112126154B (en) | Method for modifying polypropylene by combining ZnO/chitosan/ZIF-8, filter material and anti-virus mask | |
| US20110223057A1 (en) | Air decontamination equipment | |
| EP3888465A1 (en) | Antibacterial composition | |
| JP6989930B2 (en) | Polyaniline Conductive polymer is doped with organic acids and metal ions in a certain order, a method for producing an antibacterial and heavy metal removing polyaniline composite, and a polyaniline composite produced by the method. | |
| CN113663417A (en) | Gauze material, device containing gauze material, preparation method and application of gauze material | |
| WO2010120730A1 (en) | Hazardous substance removing materials, apparatus and methods | |
| CN112056313B (en) | Method for aqueous phase synthesis of nano Cu-MOF (copper-metal organic framework) bacteriostatic agent | |
| JP2004008357A (en) | Deodorizing pasty dispersion liquid | |
| Sheraz et al. | Alumina beads decorated copper-based coordination polymer particle filter for commercial indoor air cleaner | |
| Sheraz et al. | Four-in-one multifunctional air filter using copper coordination polymer particle decorated fibre for efficient pathogen removal and indoor air treatment | |
| Le et al. | Melamine sponge-based copper-organic framework (Cu-CPP) as a multi-functional filter for air purifiers | |
| Lou et al. | A versatile electrospun polylactic acid nanofiber membrane integrated with halloysite nanotubes for indoor air purification, disinfection, and photocatalytic degradation of pollutants | |
| CN111481995B (en) | Long-acting antibacterial filter element material and preparation method thereof | |
| CN114854084B (en) | Sponge with nanoparticle coating and preparation method and application thereof | |
| CN111151223A (en) | Green purification material for treating dust particles in atmosphere | |
| Zendehdel et al. | Doping metal–organic framework composites to antibacterial air filter development for quality control of indoor air | |
| Zeng et al. | Mixed-linker synthesis of L-histidine@ zeolitic imidazole framework-8 on amyloid nanofibrils-modified polyacrylonitrile membrane with high separation and antifouling properties | |
| CN112961366B (en) | Preparation method of halamine-containing metal organic framework material with sterilization function | |
| JPH07256025A (en) | Air filter | |
| Huang et al. | Facile preparation and characterization of a nanofiber-coated textile with durable and rechargeable antibacterial activity | |
| CN212818617U (en) | Gas filtration structure and gas filtration article having a coating |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication |