WO2021187917A1 - Masque contenant un sel de chlorure métallique nano-séché - Google Patents

Masque contenant un sel de chlorure métallique nano-séché Download PDF

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Publication number
WO2021187917A1
WO2021187917A1 PCT/KR2021/003367 KR2021003367W WO2021187917A1 WO 2021187917 A1 WO2021187917 A1 WO 2021187917A1 KR 2021003367 W KR2021003367 W KR 2021003367W WO 2021187917 A1 WO2021187917 A1 WO 2021187917A1
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WO
WIPO (PCT)
Prior art keywords
metal chloride
fiber material
layer
attaching
solvent
Prior art date
Application number
PCT/KR2021/003367
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English (en)
Korean (ko)
Inventor
변정훈
Original Assignee
영남대학교 산학협력단
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from KR1020200130791A external-priority patent/KR20210117128A/ko
Application filed by 영남대학교 산학협력단 filed Critical 영남대학교 산학협력단
Priority to EP21771502.8A priority Critical patent/EP4122344A1/fr
Priority to CN202180021494.XA priority patent/CN115279220A/zh
Priority claimed from KR1020210035111A external-priority patent/KR20210117210A/ko
Publication of WO2021187917A1 publication Critical patent/WO2021187917A1/fr

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    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
    • A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41H—APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
    • A41H43/00—Other methods, machines or appliances
    • A41H43/02—Handling garment parts or blanks, e.g. feeding, piling, separating or reversing
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/02—Masks
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00—Filters for breathing-protection purposes
    • A62B23/02—Filters for breathing-protection purposes for respirators
    • 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
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/07—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/07—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof
    • D06M11/11—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof with halogen acids or salts thereof
    • D06M11/13—Ammonium halides or halides of elements of Groups 1 or 11 of the Periodic Table
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
    • D06M23/08—Processes in which the treating agent is applied in powder or granular form

Definitions

  • the present application relates to a mask containing metal chloride nano tendinitis and a dry manufacturing process therefor, and more specifically, promotes inactivation of bacterial substances such as viruses attached to the outer surface of the mask during use of the mask, At the same time, it relates to a mask containing metal chloride nano tendinitis from which moisture can be removed while using the mask, and a dry manufacturing process therefor.
  • a mask is a device for protecting the respiratory tract of the human body from polluted air or cold air.
  • a cold protection mask for protecting the respiratory tract from cold air a dust mask for protecting the respiratory tract from dust, etc. It is classified as a medical mask that blocks the penetration of foreign substances or bacteria and blocks secretions or bacteria from the user from being discharged to the outside.
  • the fine dust is small and fine dust particles that are invisible to our eyes, and includes numerous air pollutants along with sulfur gas, nitrogen oxides, lead, ozone, carbon monoxide, and the like. It is divided into artificial occurrence and natural occurrence, such as yellow dust from sandstorm dust, volcanic ash, and dust from forest fire. In particular, there is a serious problem that leads to death from lung disease by lowering the immune function if the elderly and the infirm continuously inhale.
  • a mask containing metal chloride nano tendinal salt that promotes inactivation of bacterial substances such as viruses attached to the outer surface of the mask during use of the mask, and removes moisture carried out during use of the mask, and It is intended to provide a dry manufacturing process for this.
  • One aspect of the present application is a laminate for a mask.
  • the laminate may include an outer layer serving to support the laminate; an inner layer facing the outer layer; and an intermediate layer positioned between the outer layer and the inner layer, to which a metal chloride nano dry salt is attached.
  • At least one of the outer layer, the intermediate layer, and the inner layer may be a fiber material.
  • At least one of the outer layer, the middle layer, and the inner layer may be a single fibrous layer or a multi-layered fibrous layer.
  • the material of each layer or single layer of the multi-layered fiber layer may include i) meltblown, ii) cloth, iii) nonwoven fabric, or iv) a mixture thereof.
  • the metal chloride nanocomposite particles may include i) sodium chloride, ii) magnesium chloride, iii) calcium chloride, iv) potassium chloride, or a mixture thereof.
  • the sodium chloride nano tendon salt may include any one of i) a natural salt, a purified salt thereof, and a processed salt thereof.
  • the metal chloride nano tendon salt may be attached to at least one of the outer layer and the inner layer.
  • the layer to which the metal chloride nano tendon salt is attached to at least one of the outer layer and the inner layer may be a dried layer after each layer is impregnated with a metal chloride solution.
  • the laminate may include an outer layer serving to support the laminate; an inner layer facing the outer layer; and an intermediate layer positioned between the outer layer and the inner layer, to which metal chloride nanocomposite particles are attached.
  • At least one of the outer layer, the intermediate layer, and the inner layer may be a fiber material.
  • At least one of the outer layer, the middle layer, and the inner layer may be a single fibrous layer or a multi-layered fibrous layer.
  • the material of each layer or single layer of the multi-layer fiber layer may include i) meltblown, ii) cloth, iii) nonwoven fabric, or iv) a mixture thereof.
  • the metal chloride nanocomposite particles may include i) sodium chloride, ii) magnesium chloride, iii) calcium chloride, iv) potassium chloride, or a mixture thereof.
  • the sodium chloride nanocomposite particles may include any one of i) a natural salt, a purified salt thereof, and a processed salt thereof.
  • the metal chloride nanocomposite particles may further include at least one of a polymer, a porous nanoparticle, an antibacterial material, an antibiotic material, an antiviral material, an inorganic material, a surfactant, and a phosphate.
  • the metal chloride nanocomposite particles may be attached to at least one of the outer layer and the inner layer.
  • the layer to which the metal chloride nanocomposite particles are attached to at least one of the outer layer and the inner layer may be a dried layer after each layer is impregnated with a metal chloride solution.
  • Another aspect of the present application is a mask including the laminate.
  • Another aspect of the present application is a method for attaching metal chloride nanoparticles.
  • metal chloride particles in the bulk state in a ceramic boat (ceramic boat); vaporizing the metal chloride particles by inserting them into a chamber having an inert gas or air flowing therein and having a predetermined temperature; discharging the vaporized metal chloride to the outside of the chamber, cooling and condensing it to form metal chloride nanoparticles; and attaching the metal chloride nanoparticles to the fiber material.
  • the metal chloride nanoparticles before the step of attaching the metal chloride nanoparticles to the fiber material, by exposing them to photons having a work function higher than the work function of the metal chloride nanoparticles, the metal chloride nanoparticles retain Some of the electrons are released, and the method may further include charging the metal chloride nanoparticles to (+) polarity.
  • the method for attaching metal chloride nanoparticles includes preparing a solution in which a metal chloride is dissolved in a solvent; producing a fiber material by a roll to roll process; spraying the solution on the lower portion of the fiber material, and attaching the sprayed droplets to the fiber material; and generating suction on the upper portion of the fiber material to remove the solvent from the attached droplets.
  • the step of removing the solvent may further include applying heat of 50° C. to 150° C. on the upper portion of the fiber material.
  • removing the solvent may further include applying heat of 100°C to 250°C on the upper portion of the fiber material.
  • the method for attaching metal chloride nanoparticles includes preparing a solution in which a metal chloride is dissolved in a solvent; producing a fiber material by a roll to roll process; By spraying the solution on the upper portion of the fiber material, adhering the sprayed droplets to the fiber material; and removing the solvent from the attached droplets by generating suction at the lower portion of the fiber material.
  • the step of removing the solvent may further include applying heat of 50° C. to 150° C. on the upper portion of the fiber material.
  • removing the solvent may further include applying heat of 100°C to 250°C on the upper portion of the fiber material.
  • the method for attaching metal chloride nanoparticles includes preparing a solution in which a metal chloride is dissolved in a solvent; spraying the solution on one surface of the substrate, attaching one surface of the substrate to which the sprayed droplets are attached to the fiber material, and transferring the droplets to the fiber material; and heating the fiber material to remove the solvent.
  • one surface of the substrate to which the sprayed droplets are attached may have a flat surface or a pattern.
  • the method may further include removing the substrate attached to the fiber material before the step of removing the solvent.
  • Another aspect of the present application is a method of attaching metal chloride nanocomposite particles.
  • the method for attaching metal chloride nanocomposite particles includes preparing a solution in which a metal chloride and an additive are dissolved in a solvent; spraying the solution, inserting it into a diffusion drying device through which an inert gas or air flows, removing a solvent in the sprayed droplets, and forming metal chloride nanocomposite particles; and attaching the metal chloride nanocomposite particles to the fiber material.
  • the method may further include charging the metal chloride nanocomposite particles to (+) polarity.
  • the additive may be at least one of a polymer, porous nanoparticles, an antibacterial material, an antibiotic material, an antiviral material, an inorganic material, a surfactant, and a phosphate.
  • the spraying device for spraying the solution may use a nozzle to which at least one of a piezoelectric vibration device, an ultrasonic device, and a high voltage application device is applied, and the average particle diameter of the sprayed droplets may be manufactured to be 20 ⁇ m or less.
  • the method for attaching metal chloride nanocomposite particles includes preparing a solution in which a metal chloride and an additive are dissolved in a solvent; spraying the solution to attach the sprayed droplets to the fiber material; and heating the fiber material to remove the solvent.
  • the additive may be at least one of a polymer, porous nanoparticles, an antibacterial material, an antibiotic material, an antiviral material, an inorganic material, a surfactant, and a phosphate.
  • the spraying device for spraying the solution may use a nozzle to which at least one of a piezoelectric vibration device, an ultrasonic device, and a high voltage application device is applied, and the average particle diameter of the sprayed droplets may be manufactured to be 20 ⁇ m or less.
  • the method for attaching metal chloride nanocomposite particles includes preparing a solution in which a metal chloride and an additive are dissolved in a solvent; producing a fiber material by a roll to roll process; spraying the solution on the lower portion of the fiber material, and attaching the sprayed droplets to the fiber material; and generating suction on the upper portion of the fiber material to remove the solvent from the attached droplets.
  • the additive may be at least one of a polymer, porous nanoparticles, an antibacterial material, an antibiotic material, an antiviral material, an inorganic material, a surfactant, and a phosphate.
  • the step of removing the solvent may further include applying heat of 50° C. to 150° C. on the upper portion of the fiber material.
  • removing the solvent may further include applying heat of 100°C to 250°C on the upper portion of the fiber material.
  • the method for attaching metal chloride nanocomposite particles includes preparing a solution in which a metal chloride and an additive are dissolved in a solvent; producing a fiber material by a roll to roll process; By spraying the solution on the upper portion of the fiber material, adhering the sprayed droplets to the fiber material; and removing the solvent from the attached droplets by generating suction at the lower portion of the fiber material.
  • the additive may be at least one of a polymer, porous nanoparticles, an antibacterial material, an antibiotic material, an antiviral material, an inorganic material, a surfactant, and a phosphate.
  • the step of removing the solvent may further include applying heat of 50 °C to 150 °C to the lower portion of the fiber material.
  • the step of removing the solvent may further include applying heat of 100 °C to 250 °C to the lower portion of the fiber material.
  • the method for attaching metal chloride nanocomposite particles includes preparing a solution in which a metal chloride and an additive are dissolved in a solvent; spraying the solution on one surface of the substrate, attaching one surface of the substrate to which the sprayed droplets are attached to the fiber material, and transferring the droplets to the fiber material; and heating the fiber material to remove the solvent.
  • the additive may be at least one of a polymer, porous nanoparticles, an antibacterial material, an antibiotic material, an antiviral material, an inorganic material, a surfactant, and a phosphate.
  • one surface of the substrate to which the sprayed droplets are attached may have a flat surface or a pattern.
  • the attachment method may further include removing the substrate attached to the fiber material before the step of removing the solvent.
  • Another aspect of the present application is a method of manufacturing a mask.
  • the outer layer serves to support the laminate; preparing an inner layer facing the outer layer; Between the outer layer and the inner layer, it may include the step of bonding the outer layer to the inner layer after positioning the above-mentioned fiber material as an intermediate layer.
  • metal chloride nano tendinite or metal chloride nanocomposite particles may be attached to at least one of the outer layer and the inner layer.
  • the layer to which metal chloride nano tendinous salt or metal chloride nanocomposite particles are attached to at least one of the outer layer and the inner layer may be a dried layer after each layer is impregnated with a metal chloride solution.
  • FIG. 1 is a schematic diagram of a laminate for a mask according to an embodiment of the present application.
  • FIG. 2 is a schematic diagram of a laminate for a mask according to another embodiment of the present application.
  • FIG. 3 is a schematic diagram of a laminate for a mask, which is another embodiment of the present application.
  • FIG. 5 is a flowchart of a method of attaching metal chloride nanoparticles, which is another embodiment of the present application.
  • FIG. 6 is a schematic diagram of a method of attaching metal chloride nanoparticles, which is another embodiment of the present application.
  • FIG. 7 is a flowchart of a method of attaching metal chloride nanoparticles, which is another embodiment of the present application.
  • FIG. 8 is a schematic diagram of a method of attaching metal chloride nanoparticles or metal chloride nanocomposite particles, which is another embodiment of the present application.
  • FIG. 9 is a schematic diagram of a method of attaching metal chloride nanoparticles or metal chloride nanocomposite particles, which is another embodiment of the present application.
  • FIG. 10 is a flowchart of a method of attaching metal chloride nanoparticles, which is another embodiment of the present application.
  • FIG. 11 is a schematic diagram of a method of attaching metal chloride nanoparticles or metal chloride nanocomposite particles, which is another embodiment of the present application.
  • FIG. 12 is a schematic diagram of a method of attaching metal chloride nanoparticles or metal chloride nanocomposite particles, which is another embodiment of the present application.
  • FIG. 13 is a flowchart of a method of attaching metal chloride nanoparticles, which is another embodiment of the present application.
  • FIG. 14 is a schematic diagram of a method of attaching metal chloride nanoparticles or metal chloride nanocomposite particles, which is another embodiment of the present application.
  • 15 is a flowchart of a method of attaching metal chloride nanocomposite particles according to another embodiment of the present application.
  • 16 is a schematic diagram of a method of attaching a metal chloride nanocomposite particle according to another embodiment of the present application.
  • 17 is a flowchart of a method of attaching metal chloride nanocomposite particles according to another embodiment of the present application.
  • 19 is a flowchart of a method of attaching metal chloride nanocomposite particles according to another embodiment of the present application.
  • nano may mean a size in nanometers (nm), for example, may mean a size of 1 to 2,000 nm or 1 to 1,000 nm, but is not limited thereto.
  • nanoparticle may mean particles having an average particle diameter of nanometers (nm), for example, it means particles having an average particle diameter of 1 to 2,000 nm or 1 to 1,000 nm can, but is not limited thereto.
  • NaCl is effective for virus inactivation and dehumidification.
  • most of the process of attaching it to the mask fiber involves impregnating the textile material in the Saline Solution or spraying the Saline Solution directly onto the textile material and drying it.
  • the electrostatic polarity of the electrostatic fiber having a filtration function is removed by the Saline Solution, and the inherent filtration performance is reduced.
  • the present applicant devised a dry process capable of attaching nano-sized NaCl particles while minimizing performance degradation of the electrostatic fiber.
  • nano-sized salt (NaCl) particles or a complex thereof to the surface of the textile material used for mask manufacturing in a dry process
  • Inactivation Inactivation of bacterial substances such as viruses attached to the surface during mask use
  • Second at the same time allow the moisture to be removed while using the mask.
  • the surface of wet (Swollen) nano NaCl is dissociated into Na+ + Cl-, so that the virus suppression ability by Cl- can be greatly improved compared to when it is in a dry state.
  • comfort in use can be secured by suppressing moisture content in the air.
  • One aspect of the present application is a laminate for a mask.
  • 1 is a schematic diagram of a laminate for a mask according to an embodiment of the present application.
  • 2 is a schematic diagram of a laminate for a mask according to another embodiment of the present application.
  • the mask laminate includes an outer layer 110 serving to support the laminate; an inner layer 130 facing the outer layer 110; and an intermediate layer 120 positioned between the outer layer 110 and the inner layer 130 and to which a metal chloride nano dry salt is attached.
  • At least one of the outer layer, the intermediate layer, and the inner layer may be a fiber material.
  • both the outer layer and the inner layer may be a fiber material.
  • the present invention is not limited thereto.
  • the outer and inner layers may each be interchangeably the inner and outer skins or inner and outer layers of the laminate.
  • the outer layer and the inner layer cover the intermediate layer, and as described above, it is possible to prevent the detachment of the metal chloride nano tendon salts attached to the intermediate layer.
  • each layer may be a fiber composed of one layer, but may also be a stacked layer in which each layer is layered in multiple layers.
  • each layer or single-layer fiber layer among the multi-layered fiber layers may include i) meltblown, ii) cloth, iii) nonwoven fabric, or iv) a mixture thereof.
  • the first layer may be a nonwoven fabric
  • the second layer may be melt blown
  • the third layer may be a nonwoven fabric. It can be made in various combinations.
  • nano tendon salt may be a nano-sized solid (dried) salt.
  • the metal chloride nano tendon salt may include i) sodium chloride, ii) magnesium chloride, iii) calcium chloride, iv) potassium chloride, or a mixture thereof.
  • the mixture may be seawater containing the metal chloride described above through a filtration process.
  • the sodium chloride nano tendon salt may include any one of i) a natural salt, a purified salt thereof, and a processed salt thereof.
  • the natural salt may be rock salt or sea salt.
  • the metal chloride nano tendinal salt may be attached to at least one of the outer layer and the inner layer.
  • the layer to which the metal chloride nano tendon salt is attached to at least one of the outer layer and the inner layer may be a dried layer after each layer is impregnated with a metal chloride solution.
  • FIG. 3 is a schematic diagram of a laminate for a mask, which is another embodiment of the present application.
  • the mask laminate includes an outer layer 210 serving to support the laminate; an inner layer 230 positioned to face the outer layer; and an intermediate layer 220 positioned between the outer layer 210 and the inner layer 230 and to which metal chloride nanocomposite particles are attached.
  • At least one of the outer layer, the intermediate layer, and the inner layer may be a fiber material.
  • both the outer layer and the inner layer may be a fiber material.
  • the outer and inner layers may each be interchangeably the inner and outer layers or the inner and outer layers of the laminate.
  • the outer layer and the inner layer cover the intermediate layer, and as described above, it is possible to prevent separation of the metal chloride nanocomposite particles attached to the intermediate layer.
  • each layer may be a fiber composed of one layer, but may also be a stacked layer in which each layer is layered in multiple layers.
  • each layer or single layer of the multi-layer fiber layer is i) meltblown, ii) cloth, iii) nonwoven fabric, ii) meltblown and or ivii) a mixture of these nonwovens and Meltblown mixtures may be included.
  • nanocomposite refers to a material containing a nano-sized solid (dried) salt and the aforementioned additives.
  • the metal chloride nanocomposite may include i) sodium chloride, ii) magnesium chloride, iii) calcium chloride, iv) potassium chloride, or a mixture thereof.
  • the mixture may be seawater.
  • the sodium chloride nanocomposite particles may include any one of i) a natural salt, a purified salt thereof, and a processed salt thereof.
  • the natural salt may be rock salt or sea salt.
  • the metal chloride nanocomposite particles may further include at least one of a polymer, a porous nanoparticle, an antibacterial material, an antibiotic material, an antiviral material, an inorganic material, a surfactant, and a phosphate.
  • the ginseng salt is not limited thereto, but may include Na 3 PO 4 and Na 2 HPO 4 .
  • dehumidification in addition to metal chloride and polymer PHA (polylactic acid), PHBV (hydroxybutyrate-co-3-hydroxyvalerate), PHA (polyhydroxyalkanoate), PP (polypropylene), Chitosan, Alginate, Shellac, etc.) Or porous nanoparticles (silica, activated carbon, zeolite, etc.) to remove harmful gases (volatile organic compounds, odors, work/carbon dioxide), and FDA-approved antibacterial (ceftazidime/avibactam, obiltoxaximab, bezlotoxumab) to maximize antiviral performance , delafloxacin, meropenem/vaborbactam , ozenoxacin, etc.)/live (oritavancin (orbactiv), dalbavancin (dalvance), tedizolid (sivextro), etc.), antiviral (PLA (polylactic acid), PHBV (hydroxy
  • the metal chloride nanocomposite particles may be attached to at least one of the outer layer and the inner layer.
  • the layer to which the metal chloride nanocomposite particles are attached to at least one of the outer layer and the inner layer may be a dried layer after each layer is impregnated with a metal chloride solution.
  • metal chloride nanoparticles and metal chloride nanocomposite particles are attached to (b) and (c), respectively, compared to the case of the untreated fiber of (a).
  • the metal chloride may form a core, and the polymer as an additive may form a shell.
  • Another aspect of the present application is a mask including the above-described laminate.
  • Another aspect of the present application is a method for attaching metal chloride nanoparticles.
  • 5 is a flowchart of a method of attaching metal chloride nanoparticles, which is another embodiment of the present application.
  • 6 is a schematic diagram of a method of attaching metal chloride nanoparticles, which is another embodiment of the present application.
  • the method comprises the steps of filling the metal chloride particles in the bulk state in a ceramic boat (ceramic boat) (S11); Vaporizing the metal chloride particles by inserting the inert gas or air into the chamber having a predetermined temperature (S12); discharging the vaporized metal chloride to the outside of the chamber and cooling and condensing it to form metal chloride nanoparticles (S13); and attaching the metal chloride nanoparticles to the fiber material (S14).
  • a ceramic boat ceramic boat
  • metal chloride particles in a bulk state are filled in a ceramic boat (S11).
  • bulk state may refer to metal chloride particles having a size larger than a nano size.
  • ceramic boat may mean a container for accommodating metal chloride particles.
  • the metal chloride particles By introducing the metal chloride particles into the chamber at a predetermined high temperature, the metal chloride particles can be vaporized using the high temperature.
  • the vaporized metal chloride is discharged to the outside of the chamber, cooled and condensed to form metal chloride nanoparticles (S13).
  • the vaporized metal chloride is cooled and condensed to be converted into nano-sized metal chloride particles.
  • the metal chloride nanoparticles are attached to the fiber material (S14).
  • the metal chloride nanoparticle stream Directly injecting the metal chloride nanoparticle stream into the fiber material, 1) by mechanical filtration, to make the metal chloride nanoparticles adhere to the fiber surface, or 2) after attaching the fiber material to the cooling plate, parallel to the nanoparticle stream
  • thermophoresis a phenomenon in which nano-sized particles move from a high-temperature region to a low-temperature region.
  • thermophoresis method By applying the mechanical filtration and/or thermophoresis method described above, it is possible to minimize the reduction of static electricity in the fibers.
  • the step of attaching the metal chloride nanoparticles to the fiber material by exposing them to photons having a work function higher than the work function of the metal chloride nanoparticles, among the electrons possessed by the metal chloride nanoparticles It may further include a step of charging the metal chloride nanoparticles to a (+) polarity by leaving some of them.
  • a light source eg, 170 to 200 nm
  • Metal chloride Metal chloride
  • Work Function 5.2 eV for NaCl
  • ultraviolet light with a wavelength of 185 nm
  • an ion trap may be additionally installed together with the light source.
  • a size classifier may be additionally installed before the textile material is attached.
  • the adhesion density of the nanoparticles is preferably such that the air permeability resistance (pressure drop of the fiber material) does not increase by up to 20% or more.
  • Another aspect of the present application is a method for attaching metal chloride nanoparticles.
  • 7 is a flowchart of a method of attaching metal chloride nanoparticles, which is another embodiment of the present application.
  • the fiber material is produced by a roll to roll process (S22).
  • roll-to-roll refers to making a thin-thick fiber material from several bendable plastic or metal foils.
  • the fiber material may be produced by a roll-to-roll process, thereby forming a thin thickness.
  • the spraying device for spraying the solution may use a nozzle to which at least one of a piezoelectric vibration device, an ultrasonic device, and a high voltage applying device is applied, and the average particle diameter of the sprayed droplets may be manufactured to be 20 ⁇ m or less.
  • the intake may be performed by an intake generator.
  • the step of removing the solvent may further include applying heat of 50° C. to 150° C. on the upper portion of the fiber material.
  • the step of removing the solvent may further include applying heat of 50° C. to 150° C. on the upper portion of the fiber material.
  • the heating device between the fiber material and the intake generating device for generating intake air, it is possible to apply heat of 70 °C to 130 °C or 90 °C to 110 °C on the upper portion of the fiber material.
  • the step of removing the solvent may further include applying heat of 100° C. to 250° C. on the upper portion of the fiber material.
  • the step of removing the solvent may further include applying heat of 100° C. to 250° C. on the upper portion of the fiber material.
  • a heating device between the fiber material and the intake air generating device for generating the intake air 120 °C to 230 °C, 150 °C to 200 °C, or 170 °C to 180 °C heat can be applied to the upper portion of the fiber material. .
  • heat at the above-described temperature to the fiber material when the solvent is removed, it may be advantageous to generate a vat salt in a cross-type heating condition.
  • Another aspect of the present application is a method for attaching nanoparticles.
  • 10 is a flowchart of a method of attaching metal chloride nanoparticles, which is another embodiment of the present application.
  • the fiber material is produced by a roll to roll process (S32).
  • the fiber material may be produced by a roll-to-roll process, thereby forming a thin thickness.
  • the spraying device for spraying the solution may use a nozzle to which at least one of a piezoelectric vibration device, an ultrasonic device, and a high voltage applying device is applied, and the average particle diameter of the sprayed droplets may be manufactured to be 20 ⁇ m or less.
  • the intake may be performed by an intake generator.
  • the step of removing the solvent may further include applying heat of 50° C. to 150° C. to the lower portion of the fiber material.
  • the step of removing the solvent may further include applying heat of 50° C. to 150° C. to the lower portion of the fiber material.
  • a heating device between the fiber material and the intake generating device for generating intake air it is possible to apply heat of 70 °C to 130 °C or 90 °C to 110 °C on the upper portion of the fiber material.
  • the step of removing the solvent may further include applying heat of 100° C. to 250° C. to the lower portion of the fiber material.
  • the step of removing the solvent may further include applying heat of 100° C. to 250° C. to the lower portion of the fiber material.
  • a heating device between the fiber material and the intake air generating device for generating the intake air 120 °C to 230 °C, 150 °C to 200 °C, or 170 °C to 180 °C heat can be applied to the upper portion of the fiber material. .
  • heat at the above-described temperature to the fiber material when the solvent is removed, it may be advantageous to generate a vat salt in a cross-type heating condition.
  • Another aspect of the present application is a method for attaching nanoparticles.
  • 13 is a flowchart of a method of attaching metal chloride nanoparticles, which is another embodiment of the present application.
  • 14 is a schematic diagram of a method of attaching metal chloride nanoparticles or metal chloride nanocomposite particles, which is another embodiment of the present application.
  • the method of attaching the nanocomposite particles according to the seventh embodiment may be performed using a roll to roll process. Specifically, as shown in FIG. 13, preparing a solution in which a metal chloride is dissolved in a solvent (S41); spraying the solution on one surface of the substrate, attaching one surface of the substrate to which the sprayed droplets are attached to the fiber material, and transferring the droplets to the fiber material (S42); and heating the fiber material to remove the solvent (S44).
  • the solution is sprayed on one side of the substrate, and one side of the substrate to which the sprayed droplets are attached is attached to the fiber material, and the droplets are transferred to the fiber material (S42).
  • the spraying device for spraying the solution may use a nozzle to which at least one of a piezoelectric vibration device, an ultrasonic device, and a high voltage applying device is applied, and the average particle diameter of the sprayed droplets may be manufactured to be 20 ⁇ m or less.
  • the transfer may be performed by inserting the sprayed droplets between a roller and a roller in a state where one side of the substrate to which the sprayed droplets are attached is attached to face the fiber material so that the droplets are transferred to the fiber material.
  • One surface of the substrate to which the sprayed droplets are attached may have a flat surface or a pattern. Since one surface of the substrate to which the sprayed droplets are attached has a flat surface, high-density droplet transfer may be possible. In addition, since one surface of the substrate to which the sprayed droplets are attached has a pattern, selective droplet transfer may be possible.
  • it may further include the step of removing the substrate attached to the fiber material before the step of removing the solvent (S43). That is, the fiber material may be heated in a state in which the substrate is removed.
  • Another aspect of the present application is a method of attaching metal chloride nanocomposite particles.
  • 15 is a flowchart of a method of attaching metal chloride nanocomposite particles according to another embodiment of the present application.
  • 16 is a schematic diagram of a method of attaching a metal chloride nanocomposite particle according to another embodiment of the present application.
  • the method comprises the steps of preparing a solution in which a metal chloride and an additive are dissolved in a solvent (S51); spraying the solution, inserting it into a diffusion drying device through which an inert gas or air flows, removing a solvent from the sprayed droplets, and forming metal chloride nanocomposite particles (S52); and attaching the metal chloride nanocomposite particles to the fiber material (S53).
  • a solution in which a metal chloride and an additive are dissolved in a solvent is prepared (S51).
  • additive material refers to a material capable of forming a nanocomposite other than a metal chloride.
  • the additive may include at least one of a polymer, porous nanoparticles, an antibacterial material, an antibiotic material, an antiviral material, an inorganic material, a surfactant, and a phosphate.
  • dehumidification in addition to metal chloride and polymer PHA (polylactic acid), PHBV (hydroxybutyrate-co-3-hydroxyvalerate), PHA (polyhydroxyalkanoate), PP (polypropylene), Chitosan, Alginate, Shellac, etc.) Or porous nanoparticles (silica, activated carbon, zeolite, etc.) to remove harmful gases (volatile organic compounds, odors, work/carbon dioxide), and FDA-approved antibacterial (ceftazidime/avibactam, obiltoxaximab, bezlotoxumab) to maximize antiviral performance , delafloxacin, meropenem/vaborbactam , ozenoxacin, etc.)/live (oritavancin (orbactiv), dalbavancin (dalvance), tedizolid (sivextro), etc.), antiviral (PLA (polylactic acid), PHBV (hydroxy
  • the solution is sprayed and inserted into a diffusion drying device through which an inert gas or air flows, to remove a solvent from the sprayed droplets, and to form metal chloride nanocomposite particles (S52).
  • nanocomposite particles may be prepared by mixing metal chloride particles and a polymer having an antiviral function. For example, by injecting a solution of a metal chloride and a polymer (NaCl, 10 -4 to 20 w/v% of both polymers) in a solvent (water, alcohol, etc.) into a spray device and injecting an inert gas or air, The metal chloride + polymer droplets generated through the spray device are transported to the diffusion drying device with the injected gas, so that solid metal chloride nanocomposite particles are generated by removing the solvent in the droplets.
  • a solvent water, alcohol, etc.
  • the spray device used may be a mechanical spray/atomizer, a bubble vaporizer, or an electrostatic sprayer, and diffusion drying to remove the solvent from the generated droplets is performed with a heating system and can be used in combination.
  • the spraying device for spraying the solution may control the average particle diameter of the sprayed droplets to 20 ⁇ m or less by using a nozzle to which at least one of a piezoelectric vibration device, an ultrasonic device, and a high voltage applying device is applied.
  • Each of the piezoelectric vibrating device, the ultrasonic device, and the high voltage applying device is not particularly limited, and is a device capable of reducing the size of a droplet through an additional process when spraying a solution.
  • the metal chloride nanocomposite particles are attached to the fiber material (S53).
  • the metal chloride nanocomposite particle airflow is directly injected into the fiber material, 1) by mechanical filtration, so that the metal chloride nanocomposite particle is attached to the fiber surface, or 2) after attaching the fiber material to the cooling plate, the nanoparticle airflow
  • thermophoresis a phenomenon in which nano-sized particles move from a high-temperature region to a low-temperature region.
  • the metal chloride nanocomposite particles are Some of the retained electrons may be released, and the method may further include charging the metal chloride nanocomposite particles to (+) polarity.
  • a light source eg, 170 to 200
  • Metal chloride Work Function, 5.2 eV for NaCl
  • nm preferably 185 nm wavelength
  • an ion trap may be additionally installed together with the light source.
  • a size classifier may be additionally installed before the fiber material is attached.
  • the adhesion density of the nanocomposite particles is preferably such that the air permeability resistance (pressure drop of the fiber material) does not increase by up to 20% or more.
  • Another aspect of the present application is a method for attaching nanocomposite particles.
  • the solvent can be removed by heating the laminate immediately.
  • the spraying device for spraying the solution may use a nozzle to which at least one of a piezoelectric vibration device, an ultrasonic device, and a high voltage applying device is applied, and the average particle diameter of the sprayed droplets may be manufactured to be 20 ⁇ m or less.
  • Another aspect of the present application is a method for attaching nanocomposite particles. 17 is a flowchart of a method of attaching metal chloride nanocomposite particles according to another embodiment of the present application.
  • the fiber material is produced by a roll to roll process (S62).
  • the fiber material may be produced by a roll-to-roll process, thereby forming a thin thickness.
  • the spraying device for spraying the solution may use a nozzle to which at least one of a piezoelectric vibration device, an ultrasonic device, and a high voltage applying device is applied, and the average particle diameter of the sprayed droplets may be manufactured to be 20 ⁇ m or less.
  • the intake may be performed by an intake generator.
  • the step of removing the solvent may further include applying heat of 50° C. to 150° C. on the upper portion of the fiber material.
  • the step of removing the solvent may further include applying heat of 50° C. to 150° C. on the upper portion of the fiber material.
  • a heating device between the fiber material and the intake generating device for generating intake air it is possible to apply heat of 70 °C to 130 °C or 90 °C to 110 °C on the upper portion of the fiber material.
  • the step of removing the solvent may further include applying heat of 100° C. to 250° C. on the upper portion of the fiber material.
  • a heating device between the fiber material and the intake air generating device for generating the intake air 120 °C to 230 °C, 150 °C to 200 °C, or 170 °C to 180 °C heat can be applied to the upper portion of the fiber material.
  • heat By applying heat at the above-described temperature to the fiber material when the solvent is removed, it may be advantageous to generate a vat salt in a cross-type heating condition.
  • Another aspect of the present application is a method for attaching nanocomposite particles.
  • 18 is a flowchart of a method of attaching metal chloride nanocomposite particles according to another embodiment of the present application.
  • the fiber material is produced by a roll to roll process (S72).
  • the fiber material may be produced by a roll-to-roll process, thereby forming a thin thickness.
  • the spraying device for spraying the solution may use a nozzle to which at least one of a piezoelectric vibration device, an ultrasonic device, and a high voltage applying device is applied, and the average particle diameter of the sprayed droplets may be manufactured to be 20 ⁇ m or less.
  • the intake may be performed by an intake generator.
  • the step of removing the solvent may further include applying heat of 50° C. to 150° C. to the lower portion of the fiber material.
  • the step of removing the solvent may further include applying heat of 50° C. to 150° C. to the lower portion of the fiber material.
  • a heating device between the fiber material and the intake generating device for generating intake air it is possible to apply heat of 70 °C to 130 °C or 90 °C to 110 °C on the upper portion of the fiber material.
  • continuous heating can be performed during the drying process, thereby producing vat salt without damaging the fiber material.
  • the step of removing the solvent may further include applying heat of 100° C. to 250° C. to the lower portion of the fiber material.
  • heat 100° C. to 250° C.
  • the step of removing the solvent may further include applying heat of 100° C. to 250° C. to the lower portion of the fiber material.
  • a heating device between the fiber material and the intake air generating device for generating the intake air 120 °C to 230 °C, 150 °C to 200 °C, or 170 °C to 180 °C heat can be applied to the upper portion of the fiber material. .
  • it may be advantageous to generate a vat salt in a cross-type heating condition.
  • Another aspect of the present application is a method for attaching nanocomposite particles.
  • 19 is a flowchart of a method of attaching metal chloride nanocomposite particles according to another embodiment of the present application.
  • 14 is a schematic diagram of a method of attaching metal chloride nanoparticles or metal chloride nanocomposite particles, which is another embodiment of the present application.
  • the method of attaching the nanocomposite particles according to the twelfth embodiment may be performed using a roll to roll process. Specifically, as shown in FIG. 19, preparing a solution in which a metal chloride and an additive are dissolved in a solvent (S81); spraying the solution on one surface of the substrate, attaching one surface of the substrate to which the sprayed droplets are attached to the fiber material, and transferring the droplets to the fiber material (S82); and heating the fiber material to remove the solvent (S84).
  • the solution is sprayed on one side of the substrate, and one side of the substrate to which the sprayed droplets are attached is attached to the fiber material, and the droplets are transferred to the fiber material (S82).
  • the spraying device for spraying the solution may use a nozzle to which at least one of a piezoelectric vibration device, an ultrasonic device, and a high voltage applying device is applied, and the average particle diameter of the sprayed droplets may be manufactured to be 20 ⁇ m or less.
  • the transfer may be performed by inserting the sprayed droplets between a roller and a roller in a state where one side of the substrate to which the sprayed droplets are attached is attached to face the fiber material so that the droplets are transferred to the fiber material.
  • One surface of the substrate to which the sprayed droplets are attached may have a flat surface or a pattern. Since one surface of the substrate to which the sprayed droplets are attached has a flat surface, high-density droplet transfer may be possible. In addition, since one surface of the substrate to which the sprayed droplets are attached has a pattern, selective droplet transfer may be possible.
  • the step of removing the substrate attached to the fiber material before the step of removing the solvent may be further included (S83). That is, the fiber material may be heated in a state in which the substrate is removed.
  • Another aspect of the present application is a method of manufacturing a mask.
  • a method of manufacturing a mask is a laminate for a mask, comprising: an outer layer serving as a support for the laminate; preparing an inner layer facing the outer layer; Between the outer layer and the inner layer, it may include the step of bonding the outer layer to the inner layer after positioning the above-mentioned fiber material as an intermediate layer.
  • the metal chloride nano vat salt or metal chloride nanocomposite particles are attached to at least one of the outer layer and the inner layer, in a layer other than the layer to which the metal chloride nanocomposite particles are attached, the metal chloride nano Tendon salt or metal chloride nanocomposite particles may be attached.

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  • Engineering & Computer Science (AREA)
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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Zoology (AREA)
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  • Physical Education & Sports Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)

Abstract

La présente invention concerne un masque contenant un sel de chlorure métallique nano séché et son procédé de fabrication à sec et, plus spécifiquement, un masque contenant un sel de chlorure métallique nano séché et son procédé de fabrication à sec, le masque étant apte à favoriser l'inactivation de substances bactériennes, tels que des virus, adhérant à la surface extérieure du masque pendant l'utilisation du masque, et en même temps l'élimination de l'humidité entrant et sortant à travers le masque pendant l'utilisation du masque.
PCT/KR2021/003367 2020-03-18 2021-03-18 Masque contenant un sel de chlorure métallique nano-séché WO2021187917A1 (fr)

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EP21771502.8A EP4122344A1 (fr) 2020-03-18 2021-03-18 Masque contenant un sel de chlorure métallique nano-séché
CN202180021494.XA CN115279220A (zh) 2020-03-18 2021-03-18 含纳米金属氯化物干式盐的口罩

Applications Claiming Priority (10)

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KR20200032944 2020-03-18
KR10-2020-0032944 2020-03-18
KR20200062844 2020-05-26
KR10-2020-0062844 2020-05-26
KR10-2020-0130791 2020-10-12
KR1020200130791A KR20210117128A (ko) 2020-03-18 2020-10-12 염화나트륨 나노 건염이 포함된 마스크
KR20200169630 2020-12-07
KR10-2020-0169630 2020-12-07
KR1020210035111A KR20210117210A (ko) 2020-03-18 2021-03-18 금속염화물 나노 건염이 포함된 마스크
KR10-2021-0035111 2021-03-18

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