WO2019216597A1 - Structure organique de métal de transition ayant des propriétés antibactériennes - Google Patents

Structure organique de métal de transition ayant des propriétés antibactériennes Download PDF

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WO2019216597A1
WO2019216597A1 PCT/KR2019/005265 KR2019005265W WO2019216597A1 WO 2019216597 A1 WO2019216597 A1 WO 2019216597A1 KR 2019005265 W KR2019005265 W KR 2019005265W WO 2019216597 A1 WO2019216597 A1 WO 2019216597A1
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Prior art keywords
transition metal
organic structure
metal organic
coating layer
metal oxide
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PCT/KR2019/005265
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English (en)
Korean (ko)
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김지현
홍상현
이서진
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엘지전자 주식회사
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Priority claimed from KR1020190034541A external-priority patent/KR102266714B1/ko
Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to JP2020562680A priority Critical patent/JP2021521259A/ja
Priority to US17/049,776 priority patent/US20210244030A1/en
Publication of WO2019216597A1 publication Critical patent/WO2019216597A1/fr

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N55/00—Biocides, pest repellants or attractants, or plant growth regulators, containing organic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen and sulfur
    • A01N55/02—Biocides, pest repellants or attractants, or plant growth regulators, containing organic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen and sulfur containing metal atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F11/00—Compounds containing elements of Groups 6 or 16 of the Periodic Table
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D129/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Coating compositions based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Coating compositions based on derivatives of such polymers
    • C09D129/02—Homopolymers or copolymers of unsaturated alcohols
    • C09D129/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04—Homopolymers or copolymers of esters
    • C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04—Homopolymers or copolymers of esters
    • C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C09D133/10—Homopolymers or copolymers of methacrylic acid esters
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D171/00—Coating compositions based on polyethers obtained by reactions forming an ether link in the main chain; Coating compositions based on derivatives of such polymers
    • C09D171/02—Polyalkylene oxides
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/63—Additives non-macromolecular organic

Definitions

  • the present invention relates to transition metal organic frameworks (t-MOFs) having antimicrobial properties, and more particularly to transition metal organic structures formed to prevent the formation of odor-causing substances.
  • Microorganisms such as bacteria and fungi exist throughout life.
  • the growth of bacteria and fungi may occur actively on surfaces exposed to moist environment.
  • bacteria and fungi multiply on the surface to produce substances that cause an unpleasant odor.
  • the moisture can be removed immediately to prevent the growth of bacteria and fungi.
  • creating a dehumidified environment can be difficult. For example, it may be difficult to remove moisture such as condensate formed on the surface of the heat exchanger generated by the operation of the heat exchanger, which is a core component of an air conditioner, a refrigerator and a clothes dryer.
  • moisture such as condensate formed on the surface of the heat exchanger generated by the operation of the heat exchanger, which is a core component of an air conditioner, a refrigerator and a clothes dryer.
  • a masking technique is used to hide unpleasant odors by mixing aromatic substances.
  • mixing different scents requires continuous input of fragrant substances, and the emotions that individuals feel about fragrant substances are subjective, so the effects that can be obtained through masking techniques are limited.
  • the masking technique has a disadvantage in that it is not possible to remove an unpleasant odor fundamentally.
  • the inclusion of the transition metal oxide in the base material can impart antimicrobial and catalytic properties to the base material. Since the transition metal oxide meets moisture in the air and quickly changes the surface of the base material to acid, it has an antibacterial property that inhibits the growth of bacteria and destroys the bacteria. Transition metal oxides also have the catalytic properties of adsorbing and oxidizing some malodorous substances into odorless compounds.
  • the transition metal oxide When the base metal oxide is used to provide antimicrobial and catalytic properties to the base material, the transition metal oxide should be in the form of particles having a relatively large surface area in order to maintain material properties such as polymers forming the coating layer without losing them. For example, microparticles ranging from several micrometers to several hundred nanometers in size.
  • the present invention provides a transition metal organic structure containing the inorganic compound and formed to be uniformly distributed in the base material.
  • Another object of the present invention is to propose a variety of materials having a uniform distribution of the transition metal organic structure having antibacterial or antifungal properties.
  • the transition metal organic structure having the antibacterial or antifungal properties of the present invention may be disclosed as a transition metal oxide and an organic compound combined with the transition metal oxide.
  • An organic compound including a hydrophilic functional group may be combined with a transition metal oxide to uniformly distribute the transition metal organic structure in the base material including the hydrophilic polymer.
  • water is supplied to the transition metal organic structure to form an acidic substance or active oxygen. This can reduce odors and impart antibacterial or antifungal properties to the base material.
  • the transition metal organic structure according to the present invention is included in the coating layer of the product requiring antimicrobial or antifungal properties, the fiber of the filter requiring antimicrobial or antifungal properties, or the injection molding constituting the product requiring the antimicrobial or antifungal properties. This can provide a variety of materials with improved antibacterial or antifungal properties.
  • the transition metal organic structure having antibacterial or antifungal properties; And an organic compound bonded to the transition metal oxide, wherein the organic compound may be formed to surround the transition metal oxide with a coordinative bond to the transition metal oxide.
  • the organic compound may include a ligand portion which forms a coordination bond with the transition metal oxide; And an organic brush at the end of the ligand portion, wherein the organic brush includes a hydrophilic functional group, and the hydrophilic functional group is disposed outside the transition metal organic structure.
  • the metal of the transition metal oxide includes at least one selected from the group consisting of W, Mo, La, Ti, Si, Zr, Re, Hf, Ag, Cu, Sn, Nb, Al, and Va. It features.
  • the organic brush is characterized in that it comprises a cyclic hydrocarbon.
  • the organic brush includes at least one selected from the group consisting of the following structures.
  • the content of the transition metal oxide is characterized in that 0.1 to 5 wt% of the transition metal organic structure.
  • the average size of the transition metal organic structure is characterized in that 20 to 700 nm.
  • the present invention discloses a hydrophilic coating layer comprising the transition metal organic structure described above.
  • the hydrophilic coating layer is polyvinyl alcohol, polyoxyethylene glycol, polysulfonic acid, polyacrylic acid, polymethacrylic acid, polymethacrylic acid, poly It includes at least one selected from the group consisting of propylene glycol (polypropylene glycol).
  • the average thickness of the hydrophilic coating layer is characterized in that 700 to 2000 nm.
  • the content of the transition metal organic structure is characterized in that 1 to 5 wt% of the hydrophilic coating layer.
  • the present invention also discloses a fiber comprising the transition metal organic structure described above.
  • the present invention discloses an injection molding comprising the transition metal organic structure described above.
  • the organic compound comprising a hydrophilic functional group having affinity with the water-soluble hydrophilic polymer used in forming the coating layer of the base material is combined with the transition metal oxide, the transition metal organic structure is added to the coating layer of the base material It can be distributed uniformly.
  • water is supplied to the transition metal organic structure to form an acidic substance or active oxygen. This has the effect of reducing odor and imparting antibacterial or antifungal properties to the base material.
  • the transition metal organic structure according to the present invention is included in the coating layer of the product requiring antimicrobial or antifungal properties, the fiber of the filter requiring antimicrobial or antifungal properties, or the injection molding constituting the product requiring the antimicrobial or antifungal properties.
  • the transition metal organic structure according to the present invention does not elute from the coating layer because the organic compound is combined with the transition metal oxide to form a strong bond with the water-soluble hydrophilic polymer forming the coating layer of the base material, the base material is continuously antibacterial or It is effective in maintaining antifungal properties.
  • the transition metal organic structure according to the present invention is formed of a bond of the organic compound to the transition metal oxide, the transition metal organic structure can be uniformly distributed in the base material without agglomeration is improved.
  • transition metal organic structure according to the present invention has an average size of various transition metal organic structures according to the purpose of easy size control, antibacterial or anti-fungal characteristics can be maximized.
  • 1 is a conceptual diagram of a transition metal organic structure of the present invention.
  • FIG. 2 is a conceptual diagram of a hydrophilic coating layer including the transition metal organic structure of the present invention.
  • Figure 3 is an electron microscope image of a hydrophilic coating layer comprising a hydrophilic coating layer and a transition metal organic structure of one embodiment of the comparative example of the present invention.
  • FIG. 4 is a conceptual diagram of a fiber including a transition metal organic structure according to another embodiment of the present invention.
  • 1 is a conceptual diagram of a transition metal organic structure 100 of the present invention.
  • the present invention relates to a transition metal organic structure 100 having antibacterial or antifungal properties.
  • the transition metal organic structure 100 may include a transition metal oxide 110 and an organic compound 120.
  • the transition metal oxide 110 may have antibacterial or antifungal properties.
  • the transition metal oxide 110 may include at least one selected from the group consisting of W, Mo, La, Ti, Si, Zr, Re, Hf, Ag, Cu, Sn, Nb, Al, and Va. .
  • the transition metal oxide 110 is a substance that reacts with moisture to form active oxygen to reduce odor and exhibits antibacterial or antifungal properties. Accordingly, the transition metal oxide 110 may inhibit the generation of bacteria and fungi in a moisture-rich environment to suppress the generation of substances causing odors such as nitrogen compounds produced by the metabolism of bacteria and fungi. In addition, the transition metal oxide 110 may meet the moisture in the atmosphere to change the surface of the transition metal oxide 110 to acidic to inhibit or destroy the growth of bacteria or fungi.
  • zinc molybdate which is a kind of transition metal oxide including molybdenum (Mo)
  • Mo molybdenum
  • the transition metal oxide containing tungsten (W) has an excellent antibacterial effect against Staphylococcus aureus, and also has excellent antifungal properties.
  • transition metal organic structure 100 of the present invention at least one selected from the group consisting of W, Mo, La, Ti, Si, Zr, Re, Hf, Ag, Cu, Sn, Nb, Al, and Va described above.
  • Including the transition metal oxide 110 may inhibit the occurrence of various bacteria or fungi. That is, since the transition metal organic structure 100 of the present invention inhibits the generation of bacteria and fungi, the substance causing the odor generated during the metabolic process of bacteria and fungi can be suppressed at the source.
  • the organic compound 120 has at least one hydrophilic functional group and may be coupled to the transition metal oxide 110. In other words, the organic compound 120 may be formed to surround the transition metal oxide 120.
  • the organic compound 120 may form the transition metal organic structure 100 in a form surrounding the transition metal oxide 110, and thus the transition metal organic structure 100 may be formed on the surface or inside of a material to which antimicrobial or antifungal properties are given. Can be present in a stable manner.
  • the combination of the organic compound 120 and the transition metal oxide 110 may be formed of a coordinate covalent bond. That is, the organic compound 120 may include a ligand portion that forms a bond with the transition metal oxide 110.
  • the ligand portion is not limited as long as it is a molecular group or an ion having a non-covalent electron pair capable of forming a coordinating bond with the transition metal oxide 110.
  • the aforementioned hydrophilic functional group may be included at the terminal of the ligand portion forming a bond with the transition metal oxide 110.
  • the hydrophilic functional group is a compound disposed at the terminal portion of the ligand portion, which is referred to as an organic brush in the present invention.
  • the organic compound 120 may exist in a form in which an organic brush is formed in a ligand portion that can easily form a coordination bond with the transition metal oxide 110.
  • the transition metal organic structure 100 is formed in a form in which the organic compound 120 is surrounded by the transition metal oxide 110, and the ligand portion of the organic compound 120 forms a bond with the transition metal oxide 110.
  • the organic material 120 may be present in the form of an organic brush including a hydrophilic functional group by a covalent bond at the ligand end.
  • the organic compound 120 may include a ligand portion forming a coordination bond with the transition metal oxide 110 and an organic brush at an end of the ligand portion.
  • the organic brush may include a hydrophilic functional group, and the hydrophilic functional group may be disposed outside the transition metal organic structure 100.
  • transition metal organic structure 100 in which the organic brush itself of the organic compound 120 serves as a ligand portion to form a coordination bond with the transition metal oxide 110 is also possible.
  • the transition metal oxide 120 can be stably present on the surface or inside of the material to which the antimicrobial or antifungal properties having hydrophilicity are given.
  • the hydrophilic functional group of the organic brush of the organic compound 120 may be disposed outside the transition metal organic structure 100 of the present invention. Therefore, the transition metal organic structure 100 may form hydrogen bonds more easily with hydrophilic functional groups on the surface or inside of a material to which antimicrobial or antifungal properties are given. Therefore, the transition metal organic structure 100 may be present stably by forming a hydrogen bond on the surface or inside of the material.
  • the organic brush of the organic compound 120 may include a cyclic hydrocarbon.
  • the organic compound 120 forms a bond with the transition metal oxide 110, a structure is formed that constantly surrounds the transition metal oxide 120 due to the steric properties of the organic compound 120 itself.
  • the organic brush of the organic compound 120 may include at least one selected from the group consisting of the following structures.
  • the content of the transition metal oxide 110 in the transition metal organic structure 100 may be 0.1 to 5 wt%.
  • the transition metal organic structure 100 may have sufficient antibacterial or antifungal properties due to the lack of the transition metal oxide 110.
  • transition metal oxide 110 exceeds 5 wt% in the transition metal organic structure 100, there is a problem that the transition metal oxide 110 and the organic compound 120 do not exist evenly. Specifically, when the total content of the transition metal oxide 110 exceeds 5 wt% of the transition metal organic structure 100, there is a problem in that the transition metal oxide 110 is aggregated and separated.
  • the average size of the transition metal organic structure 100 may be 20 to 700 nm. When the average size of the transition metal organic structure 100 is less than 20 nm, excessive moisture may be attached to the transition metal organic structure 100, so that natural drainage may be difficult. If natural drainage is not made, bacteria or fungi are more easily propagated than otherwise, and odor generating substances may be formed in a large amount.
  • the average size of the transition metal organic structure 100 exceeds 700 nm, there is a problem that the antimicrobial or anti-fungal properties may be reduced by reducing the surface area of the transition metal organic structure 100.
  • FIG. 2 is a conceptual diagram of a hydrophilic coating layer 30 including the transition metal organic structure 100 of the present invention.
  • the hydrophilic coating layer 30 including the transition metal organic structure 100 may be present in a form laminated on the surface of the base material 10. Furthermore, the hydrophilic coating layer 30 may include a transition metal organic structure 100 to react with moisture. Thus, the odor is reduced due to the active oxygen generated by the transition metal organic structure 100, it can impart antibacterial or anti-fungal properties to the base material (10).
  • the base material 10 may be a variety of products formed from injection molding.
  • the base material 10 may include a product in which an odor-causing substance may be generated or present by being exposed to a moisture-rich environment such as an air conditioner, a refrigerator, and a heat exchanger which is a core part of a clothes dryer.
  • an intermediate layer 20 may be additionally disposed between the base material 10 and the hydrophilic coating layer 30.
  • the intermediate layer 20 may be formed of an organic material capable of forming hydrogen bonds with the hydrophilic coating layer 30 to improve adhesion between the base material 10 and the hydrophilic coating layer 30.
  • the intermediate layer 20 may be a layer rich in hydroxyl group ( ⁇ OH) by oxidizing the surface of the base material.
  • the hydrophilic coating layer 30 may inhibit the growth of bacteria or mold to prevent the generation of substances causing odors.
  • microorganisms such as bacteria and fungi can be easily reproduced by condensate generated while the heat exchanger operates on the surface of the heat exchanger. Accordingly, a substance that causes an odor, such as a nitrogen compound generated by metabolism of bacteria and mold, may be generated, and the substance causing an odor may be removed by the hydrophilic coating layer 30.
  • the hydrophilic coating layer 30 may be disposed on a surface which is difficult to avoid the moisture environment, such as a washing machine continuously exposed to moisture, to remove substances causing odors.
  • Hydrophilic coating layer 30 is polyvinyl alcohol, polyoxyethylene glycol, polysulfonic acid, polyacrylic acid, polymethacrylic acid, polymethacrylic acid, polypropylene glycol ( polypropylene glycol) may include at least one selected from the group consisting of:
  • a hard film may be formed by performing a vulcanization process to include sulfur.
  • the average thickness of the hydrophilic coating layer 30 may be 700 to 2000 nm.
  • the average thickness of the hydrophilic coating layer 30 is less than 700 nm, the transition metal organic structure 100 may not be sufficiently included, and thus the substance causing the odor may not be sufficiently removed.
  • the average thickness of the hydrophilic coating layer 30 exceeds 2000 nm, it can reduce the performance of the product when applied to the surface of the product. For example, when formed on the surface of the heat exchanger, the heat exchange performance may decrease when the average thickness of the hydrophilic coating layer 30 exceeds 2000 nm.
  • the total content of the transition metal organic structure 100 of the hydrophilic coating layer 30 may be 1 to 5 wt% of the hydrophilic coating layer 30.
  • the concentration of the transition metal organic structure 100 included in the hydrophilic coating layer 30 is lowered, so that the substance causing the odor is removed. Cannot be performed effectively.
  • the total content of the transition metal organic structure 100 exceeds 5 wt% of the hydrophilic coating layer 30 may cause peeling of the hydrophilic coating layer 30, the hardness of the hydrophilic coating layer 30 is also lowered wear resistance Scratchability may be lowered.
  • Figure 3 is an electron microscope image of a hydrophilic coating layer comprising a hydrophilic coating layer and a transition metal organic structure of one embodiment of the comparative example of the present invention.
  • 3A is a comparative example of a hydrophilic coating layer in which only the transition metal oxide described above is present.
  • the organic compound combined with the transition metal oxide is excluded in the hydrophilic coating layer of FIG.
  • the distribution of the transition metal oxide present in the hydrophilic coating layer is low.
  • Figure 3 (b) and (c) includes the above-described transition metal organic structure in the hydrophilic coating layer.
  • the hydrophilic coating layer of FIGS. 3B and 3C includes a transition metal oxide and an organic compound bonded to the transition metal oxide. Further, the organic compound is formed to surround the transition metal oxide by coordinating bond with the transition metal oxide.
  • the ligand portion of the organic compound coordinates the transition metal oxide, and the organic brush having a hydrophilic functional group provided at the end of the ligand portion is disposed outside the transition metal organic structure It may be present stably by forming a hydrogen bond on the surface or inside of the hydrophilic coating layer.
  • the hydrophilic coating layer of FIGS. 3 (b) and (c) may include a transition metal organic structure having a uniform dispersion as compared to the transition metal oxide in the hydrophilic coating layer of FIG.
  • FIG. 4 is a conceptual diagram of a fiber 1000 including a transition metal organic structure according to another embodiment of the present invention.
  • the fiber 1000 including the transition metal organic structure by mixing the above-described transition metal organic structure in the form of a powder during extrusion.
  • the fiber 1000 may include a first fiber 1100 and a second fiber 1200.
  • the first fiber 1100 may include a first transition metal organic structure in a powder form
  • the second fiber 1200 may include a second transition metal organic structure in a powder form.
  • the first fiber 1100 and the second fiber 1200 may have antibacterial and antifungal properties against various bacteria and fungi, including transition metal organic structures having different compositions.
  • the first transition metal organic structure and the second transition metal organic structure may be any one of the above-described transition metal organic structures having different compositions.
  • the content of the transition metal organic structure included in the fiber 1000 may range from 0.5 to 5 wt%.
  • the fiber 1000 containing less than 0.5 wt% of the transition metal organic structure may not sufficiently exhibit antibacterial or antifungal properties due to the low concentration of the transition metal organic structure.
  • the content of the transition metal organic structure is included in excess of 5 wt%, the miscibility between the polymer mainly constituting the fiber 1000 and the transition metal organic structure may be inferior. Thus, there is a problem that the transition metal organic structure is incompletely mixed and can be separated from the fiber 1000 over time.
  • the average size of the transition metal organic structure mixed in the fiber 1000 may be in the range of 20 to 150 nm. In the average size range of the transition metal organic structure, it can express sufficient antibacterial or antifungal properties. In addition, in the average size range of the transition metal organic structure, the fiber can be molded without breaking the fiber during extrusion.
  • the hydrophilic functional groups of the first transition metal organic structure and the second transition metal organic structure in the form of a powder may form a hydrogen bond with each other.
  • vinyl alcohol polyoxyethylene glycol, polysulfonic acid, polyacrylic acid, polymethacrylic acid, polypropylene glycol It may include at least one selected.
  • the fiber 1000 including the transition metal organic structure may be applied to a filter which is one of the components constituting the air conditioner and the clothes treating apparatus to prevent the generation of an odor-causing substance by having antibacterial or anti-mildew characteristics. .
  • the transition metal organic structure of the present invention may be present in the form of particles in the hydrophilic coating layer and the fiber to have antibacterial or antifungal properties. Furthermore, in the other embodiments, the transition metal organic structure is also included in the injection molding itself, and thus it is also possible to have antibacterial or antifungal properties.
  • the transition metal organic structure is in accordance with the above description, and in detail, 70-wt% nitric acid solution containing 20 wt% of phthaleic acid (-COOH) containing ⁇ -MoO3 in an aqueous solution of pH 14 and carboxyl group (-COOH) is slowly added to the particles. It can be prepared by precipitation in form.
  • ZnMoO4 powder is dissolved in 10 wt% concentration in an aqueous solution in which 2 wt% of acrylic water-soluble polymer (Synthro W578) is dissolved. After stirring, the ligand is completely dissolved and dried to prepare a transition metal organic structure of ZnMoO4 as a metal oxide.
  • transition metal organic structure described above is not limited to the configuration of the embodiments described above, but may be embodied in other specific forms without departing from the essential features of the present invention.

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Abstract

La présente invention concerne une structure organique de métal de transition, comprenant : un oxyde de métal de transition ayant des propriétés antibactériennes ou antifongiques; et un composé organique ayant au moins un groupe fonctionnel hydrophile, le composé organique étant lié à l'oxyde de métal de transition pour entourer l'oxyde de métal de transition et le groupe fonctionnel hydrophile étant placé vers l'extérieur de la structure organique de métal de transition.
PCT/KR2019/005265 2018-05-08 2019-05-02 Structure organique de métal de transition ayant des propriétés antibactériennes WO2019216597A1 (fr)

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Application Number Priority Date Filing Date Title
JP2020562680A JP2021521259A (ja) 2018-05-08 2019-05-02 抗菌性を有する遷移金属有機構造体
US17/049,776 US20210244030A1 (en) 2018-05-08 2019-05-02 Transition metal organic framework having antibacterial properties

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US201862668266P 2018-05-08 2018-05-08
US62/668,266 2018-05-08
KR1020190034541A KR102266714B1 (ko) 2018-05-08 2019-03-26 항균성을 가지는 전이금속유기구조체
KR10-2019-0034541 2019-03-26

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Cited By (1)

* Cited by examiner, † Cited by third party
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CN112430429A (zh) * 2020-11-23 2021-03-02 广东电网有限责任公司电力科学研究院 一种金属有机骨架材料及其制备方法与涂料

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