WO2016171331A1 - Ensemble masque comprenant des nanofibres - Google Patents

Ensemble masque comprenant des nanofibres Download PDF

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Publication number
WO2016171331A1
WO2016171331A1 PCT/KR2015/007145 KR2015007145W WO2016171331A1 WO 2016171331 A1 WO2016171331 A1 WO 2016171331A1 KR 2015007145 W KR2015007145 W KR 2015007145W WO 2016171331 A1 WO2016171331 A1 WO 2016171331A1
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WO
WIPO (PCT)
Prior art keywords
electrospinning
polymer
nanofiber layer
mask pack
spinning solution
Prior art date
Application number
PCT/KR2015/007145
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English (en)
Korean (ko)
Inventor
박종철
Original Assignee
박종철
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 KR1020150057952A external-priority patent/KR101771935B1/ko
Priority claimed from KR1020150057958A external-priority patent/KR101771941B1/ko
Priority claimed from KR1020150057954A external-priority patent/KR101771937B1/ko
Priority claimed from KR1020150057953A external-priority patent/KR101771936B1/ko
Priority claimed from KR1020150057951A external-priority patent/KR101771934B1/ko
Priority claimed from KR1020150057956A external-priority patent/KR101771939B1/ko
Priority claimed from KR1020150057955A external-priority patent/KR101771938B1/ko
Priority claimed from KR1020150057957A external-priority patent/KR101771940B1/ko
Priority claimed from KR1020150057949A external-priority patent/KR101771932B1/ko
Priority claimed from KR1020150057948A external-priority patent/KR101771931B1/ko
Priority claimed from KR1020150057950A external-priority patent/KR101771933B1/ko
Application filed by 박종철 filed Critical 박종철
Publication of WO2016171331A1 publication Critical patent/WO2016171331A1/fr

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    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D44/00—Other cosmetic or toiletry articles, e.g. for hairdressers' rooms
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D44/00—Other cosmetic or toiletry articles, e.g. for hairdressers' rooms
    • A45D44/22—Face shaping devices, e.g. chin straps; Wrinkle removers, e.g. stretching the skin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/425—Cellulose series
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4282—Addition polymers
    • D04H1/4318—Fluorine series
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4326—Condensation or reaction polymers
    • D04H1/4358—Polyurethanes
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4374—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece using different kinds of webs, e.g. by layering webs
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
    • D04H1/728—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by electro-spinning

Definitions

  • the present invention relates to a mask pack including nanofibers, and more particularly to a mask pack containing heterogeneous nanofibers and nanofibers of different diameters.
  • a mask pack is a cosmetic that cleans and beautifulens the skin and restores the skin's physiological function by covering the skin such as the face and supplying moisture and beauty ingredients to the skin.
  • Such a mask pack is prepared by impregnating a variety of nutrients good for skin care in synthetic fibers such as non-woven fabrics, as disclosed in Patent Publication No. 10-2011-0122473, and exerts a skin care effect by using a certain time attached to the face.
  • a conventional mask pack manufacturing method is to fold the face-shaped non-woven fabric or the corresponding backing film with the non-woven fabric by hand, and to fold them manually by inserting the packaging material, filling the contents, suture and commercialize.
  • the nonwoven fabric used has a disadvantage that the thickness is thick (15-50), the surface area per volume is small, and even a slight facial movement may fall off the facial skin tissue.
  • the long-lasting effect of the cosmetic liquid after adhesion is also lowered.
  • Japanese Patent Application Laid-Open No. 2007-70347 discloses a skin pack mask pack including a nanofiber layer.
  • the nanofiber-coated nonwoven mask pack has a possibility that delamination may occur when impregnated with a liquid cosmetic formulation because the adhesion between the nanofiber and the nonwoven fabric is only dependent on the electrostatic force. Is the reality.
  • the diluent had to be used excessively in order to maintain a constant viscosity of the polymer solution. Too much use of the diluent reduces the concentration of the polymer solution, which decreases the efficiency of electrospinning and causes a problem of environmental pollution.
  • nanofiber layer is used a lot to manufacture a mask pack.
  • the use of the nanofiber layer greatly improves skin adhesion, impregnation efficiency of moisturizing ingredients and various nutrients, and can provide a mask pack with excellent diffusion effect of nutrients through the skin.
  • the nanofiber layer is formed through electrospinning to contain the skin moisturizing component and nutrients as much as possible.
  • Conventional electrospinning places a certain number of nozzles in a particular direction within the unit for electrospinning and radiates at a constant speed and time to the front of the substrate.
  • Conventional electrospinning devices are formed by laminating a nanofiber layer on a substrate by electrospinning a specific polymer solution under appropriate conditions due to the configuration of a unit for electrospinning and a nozzle and a nozzle block installed in the unit.
  • the nanofibrous layer laminated on the substrate by electrospinning is more effective in filtering foreign matters if the concentration of the polymer solution per unit area, that is, the basis weight, is different depending on the concentration of the pollutants and the degree of generation of the foreign matters.
  • the polymer solution was uniformly electrospun in forming the nanofiber layer, the polymer solution was inevitably used, and thus the production cost was inevitably increased.
  • the present invention has been made to solve the above problems, and a main object of the present invention is to provide a mask pack comprising a substrate (substrate) and nanofiber layer.
  • a base material A first nanofiber layer formed by electrospinning a polyacrylonitrile solution; A second nanofiber layer laminated on the first nanofiber layer by electrospinning a hydrophobic polymer solution selected from any one of polyvinylidene fluoride and hydrophobic polyurethane; It provides a mask pack comprising a.
  • an article comprising: a substrate; A first nanofiber layer formed by electrospinning a polyvinyl alcohol solution; A second nanofiber layer laminated on the first nanofiber layer by electrospinning a hydrophobic polymer solution selected from any one of polyvinylidene fluoride and hydrophobic polyurethane; It provides a mask pack comprising a.
  • a polyethylene terephthalate substrate A first nanofiber layer formed by electrospinning a hydrophilic polymer solution selected from any one of polyacrylonitrile, polyvinyl alcohol, polyamide, and hydrophilic polyurethane formed on one side of the polyethylene terephthalate substrate; A second nanofiber layer formed by electrospinning the same polymer solution as the first nanofiber layer attached to the other side of the polyethylene terephthalate substrate; It provides a mask pack comprising a.
  • a cellulose substrate A first nanofiber layer formed by electrospinning a hydrophilic polymer solution selected from any one of polyacrylonitrile, polyvinyl alcohol, polyamide, and hydrophilic polyurethane formed on one side of the cellulose substrate; A second nanofiber layer formed by electrospinning the same polymer solution as the first nanofiber layer attached to the other side of the cellulose base; It provides a mask pack comprising a.
  • a polyethylene terephthalate substrate A first nanofiber layer formed by electrospinning a hydrophilic polymer solution selected from any one of polyacrylonitrile, polyvinyl alcohol, polyamide, and hydrophilic polyurethane formed on one side of the polyethylene terephthalate substrate; A second nanofiber layer formed by electrospinning a hydrophobic polymer solution selected from any one of polyvinylidene fluoride and a hydrophobic polyurethane attached to the other side of the polyethylene terephthalate substrate; It provides a mask pack comprising a.
  • a cellulose substrate A first nanofiber layer formed by electrospinning a hydrophilic polymer solution selected from any one of polyacrylonitrile, polyvinyl alcohol, polyamide, and hydrophilic polyurethane formed on one side of the cellulose substrate; A second nanofiber layer formed by electrospinning a hydrophobic polymer solution selected from any one of polyvinylidene fluoride and a hydrophobic polyurethane attached to the other side of the cellulose base; It provides a mask pack comprising a.
  • a polyethylene terephthalate substrate A first nanofiber layer formed by electrospinning a hydrophobic polymer solution selected from any one of polyvinylidene fluoride and a hydrophobic polyurethane formed on one side of the polyethylene terephthalate substrate; A second nanofiber layer formed by electrospinning the same polymer solution as the first nanofiber layer attached to the other side of the polyethylene terephthalate substrate; It provides a mask pack comprising a.
  • a cellulose substrate A first nanofiber layer formed by electrospinning a hydrophobic polymer solution selected from any one of polyvinylidene fluoride and a hydrophobic polyurethane formed on one side of the cellulose substrate; A second nanofiber layer formed by electrospinning the same polymer solution as the first nanofiber layer attached to the other side of the cellulose base; It provides a mask pack comprising a.
  • an article comprising: a substrate; A first nanofiber layer formed by electrospinning a polyurethane solution; A second nanofiber layer formed by laminating a polyvinylidene fluoride solution on the first nanofiber layer; It provides a mask pack comprising a.
  • a base material comprising: a substrate; A first nanofiber layer having a diameter of 80 to 150 nm formed by electrospinning polyvinylidene fluoride; A second nanofiber layer having a diameter of 150 to 300 nm formed by electrospinning polyvinylidene fluoride; It provides a mask pack comprising a.
  • an article comprising: a substrate; A first nanofiber layer having a diameter of 80 to 150 nm formed by electrospinning polyurethane; A second nanofiber layer having a diameter of 150 to 300 nm formed by electrospinning polyurethane; It provides a mask pack comprising a.
  • the adhesion between the substrate and the nanofiber layer is characterized in that the adhesive is formed through the adhesive layer formed by electrospinning the low melting polymer solution, the low melting polymer solution is a low melting point polyester, low melting point polyurethane, low melting point poly It is characterized in that at least one member selected from the group consisting of vinylene fluoride, the low melting polymer solution is characterized in that the electrospinning on the front surface or a portion of the substrate or nanofiber layer.
  • the nanofiber layer is characterized in that it is formed by electrospinning at a temperature of 50 to 100 °C, the nanofiber layer is characterized in that the basis weight is different in the longitudinal or transverse direction, the polymer for forming the nanofiber layer
  • the solution is characterized in that the viscosity is maintained at 1,000 cps to 3,000 cps through a thermostat.
  • the manufacturing method of the filter according to the present invention is partitioned into at least two spinning sections, and through each spinning section to obtain a filter which is formed by stacking two or more layers by electrospinning different polymers continuously, thereby producing a filter. It can be simplified and simplified, which has the economic advantage of reducing the manufacturing cost and manufacturing time.
  • FIG. 1 is a side view schematically showing an electrospinning device according to the present invention
  • Figure 2 is a side cross-sectional view schematically showing a nozzle of a nozzle block installed in each unit of the electrospinning apparatus according to the present invention
  • Figure 3 is a side cross-sectional view schematically showing another embodiment according to the nozzle of the nozzle block installed in each unit of the electrospinning apparatus according to the present invention
  • Figure 4 is a nozzle block installed in each unit of the electrospinning apparatus according to the present invention
  • FIG. 5 is a front sectional view schematically showing a state in which a heat transfer apparatus is installed in a nozzle block installed in each unit of an electrospinning apparatus according to the present invention
  • FIG. 6 is a cross-sectional view taken along line AA ′ of FIG. 5;
  • Figure 7 is a front sectional view schematically showing another embodiment of the state in which the heat transfer apparatus is installed in the nozzle block installed in each unit of the electrospinning apparatus according to the present invention
  • FIG. 8 is a cross-sectional view taken along the line B-B 'of FIG.
  • FIG. 9 is a front sectional view schematically showing still another embodiment of a state in which a heating apparatus is installed in a nozzle block installed in each unit of an electrospinning apparatus according to the present invention.
  • FIG. 10 is a cross-sectional view taken along the line C-C 'of FIG.
  • FIG. 11 is a view schematically showing an auxiliary transport device of an electrospinning apparatus according to the present invention.
  • FIG. 12 is a view schematically showing another embodiment of the auxiliary belt roller of the auxiliary transport device of the electrospinning apparatus according to the present invention.
  • 13 to 16 is a side view schematically showing the operation of the long sheet feed rate adjusting apparatus of the electrospinning apparatus according to the present invention
  • 17 is a side view schematically showing an electrospinning device for manufacturing a filter including an adhesive layer according to the present invention
  • FIG. 18 is a perspective view schematically showing a nozzle block installed in an adhesive (low melting point polymer) unit of an electrospinning apparatus according to the present invention
  • 19 is a plan view schematically illustrating a nozzle block installed in an adhesive (low melting point polymer) unit of an electrospinning apparatus according to the present invention
  • FIG. 22 is a plan view schematically showing another embodiment according to the nozzle tube arranged in the nozzle block of the electrospinning apparatus according to the present invention.
  • FIG. 23 is a front view of FIG. 22;
  • FIG. 24 is a side view schematically showing another embodiment according to the nozzle tube arranged in the nozzle block of the electrospinning apparatus according to the present invention.
  • 25 and 26 are through the nozzle of each nozzle pipe of the electrospinning apparatus according to the present invention.
  • FIG. 27 is a plan view schematically showing still another embodiment according to the nozzle tube which is arranged in the nozzle block of the electrospinning apparatus according to the present invention.
  • FIG. 28 is a perspective view schematically showing still another embodiment according to the nozzle tube arranged in the nozzle block of the electrospinning apparatus according to the present invention.
  • 29 and 30 are through the nozzle of each nozzle pipe of the electrospinning apparatus according to the present invention.
  • 31 and 32 are schematic diagrams showing a filter including a nanofiber layer of the present invention.
  • 33 is a side view schematically showing an electrospinning device according to the present invention.
  • FIG. 34 is a perspective view schematically showing a flip device of an electrospinning device according to the present invention.
  • 35 to 38 schematically show the operation of the flip device of the electrospinning apparatus according to the present invention.
  • the first nanofiber layer formed by electrospinning the first polymer solution on the substrate provides a mask pack including a second nanofiber layer formed by stacking a second polymer solution on the first nanofiber layer by electrospinning a solution.
  • the first polymer solution is polyurethane
  • the second polymer solution is polyvinylidene fluoride
  • the first polymer solution is polyvinyl alcohol or polyacrylonitrile
  • the second polymer solution is hydrophobic polymer
  • the present invention is formed by electrospinning a polyvinylidene fluoride solution on a substrate, the first nano-fibers made of polyvinylidene fluoride nanofibers having a fiber diameter of 80 to 150nm Fibrous layer;
  • the present invention provides a mask pack including a second nanofiber layer formed by laminating a polyvinylidene fluoride solution on the first nanofiber layer, and having a polyvinylidene fluoride nanofiber having a fiber diameter of 150 to 300 nm.
  • the present invention is formed by electrospinning a polyurethane solution on a substrate, the first nanofiber layer made of polyurethane nanofibers having a fiber diameter of 80 to 150nm;
  • the present invention provides a mask pack including a second nanofibrous layer formed of polyurethane nanofibers having a fiber diameter of 150 to 300 nm by being laminated by electrospinning a polyurethane solution on the first nanofiber layer.
  • the present invention comprises a first nanofiber layer formed by electrospinning the first polymer solution on one side of the substrate; It provides a mask pack comprising a; the second nanofiber layer formed by electrospinning the second polymer solution on the other side of the substrate.
  • the substrate is a polyethylene terephthalate substrate or a cellulose substrate, wherein the first polymer solution and the second polymer solution is characterized in that the hydrophilic polymer or hydrophobic polymer.
  • the hydrophilic polymer used in the present invention is preferably one selected from the group consisting of polyethersulfone, polyacrylonitrile, polyvinyl alcohol, polyamide, and hydrophilic polyurethane, but is not limited thereto.
  • hydrophobic polymer used in the present invention is preferably one selected from the group consisting of polyvinylidene fluoride, low melting polyester and hydrophobic polyurethane, but is not limited thereto.
  • the filter is characterized in that it is manufactured using an electrospinning device.
  • the polyvinylidene fluoride (PVDF) -based polymer electrolyte used according to the preferred embodiment of the present invention is prepared by preparing a polymer matrix to have a porosity of submicron or less, and then injecting an organic electrolyte solution into these small pores.
  • the compatibility with the electrolyte is excellent, the organic electrolyte in the small pores has the advantage that can be used as a safe electrolyte without leakage, and since the organic solvent electrolyte is injected later, the polymer matrix can be produced in the air.
  • the weight average molecular weight (Mw) of the said polyvinylidene fluoride resin is although it does not specifically limit, It is preferable that it is 10,000-500,000, and it is more preferable that it is 50,000-500,000.
  • Mw weight average molecular weight of the polyvinylidene fluoride resin
  • the nanofibers constituting the nanofibers may not obtain sufficient strength, and when the polyvinylidene fluoride resin exceeds 500,000, the solution may not be easily handled and the processability may be poor, resulting in uniform nanofibers. It becomes difficult to obtain.
  • the low-melting polyester used in accordance with another suitable embodiment of the present invention is preferably a hydrophobic polymer, using terephthalic acid, isophthalic acid and mixtures thereof.
  • ethylene glycol may be added as the diol component.
  • Hydrophobic polyurethanes used according to another suitable embodiment of the present invention have a calcined branched structure, which reacts polyalkylene oxides with polyfunctional materials, diisocyanates and water, and the resulting product is subjected to hydrophobic coherent activity. It can be prepared by end capping with a hydrogen containing compound or mono isocyanate.
  • Hydrophobic groups can be independently selected from the group consisting of alkyl, aryl, arylalkyl, alkenyl, arylalkenyl, alicyclic, perfluoroalkyl, carbosilyl, polycyclyl and composite resins, wherein alkyl, al Kenyl, perfluoroalkyl and carbosilyl hydrophobic groups contain 1-40 carbon atoms and aryl, arylalkyl, arylalkenyl, cycloaliphatic and polycyclyl hydrophobic groups contain 3-40 carbon atoms.
  • the polyacrylonitrile resin is a copolymer made from a mixture of acrylonitrile and units constituting most of them. Frequently used monomers include butadiene styrene vinylidene chloride or other vinyl compounds.
  • Acrylic fibers contain at least 85% acrylonitrile and modacryl contains 35-85% acrylonitrile. When other monomers are included, the fiber has the property of increasing affinity for the dye. More specifically, in the production of acrylonitrile-based copolymers and spinning solutions, in the case of using acrylonitrile-based copolymers, nozzle contamination is less during the manufacturing of microfibers by the electrospinning method, and the electrospinning properties are excellent. By increasing the solubility in the solvent, it is possible to give better mechanical properties. In addition, polyacrylonitrile has a softening point of 300 ° C. or higher and excellent heat resistance.
  • the degree of polymerization of the polyacrylonitrile is 1,000 to 1,000,000, preferably 2,000 to 1,000,000.
  • polyacrylonitrile within the range which satisfy
  • the weight percent of acrylonitrile monomer during polymer polymerization is too low for electrospinning when the weight percentage of hydrophilic monomer and the weight percentage of hydrophobic monomer are less than 60 due to the ratio of 3: 4.
  • the spinning viscosity is too high, and spinning is difficult, and even if an additive is added to reduce the viscosity, the diameter of the ultrafine fibers becomes thick and the productivity of the electrospinning is too low to achieve the object of the present invention.
  • the amount of the comonomer is increased in the acrylic polymer, the amount of the crosslinking agent should be added to ensure the stability of electrospinning and to prevent the mechanical properties of the nanofibers from deteriorating.
  • the hydrophobic monomer is used in ethylene-based compounds and derivatives thereof such as methacrylate, ethyl acrylate, methyl methacrylate, ethyl methacrylate, butyl methacrylate, vinyl acetate, vinylpyrrolidone, vinylidene chloride, and vinyl chloride. It is preferable to use any one or more selected.
  • the hydrophilic monomers are acrylic acid, allyl alcohol, metaallyl alcohol, hydroxyethyl acrylate, hydroxyethyl methacrylate, hydroxypropyl acrylate, butanediol monoacrylate, dimethylaminoethyl acrylate, butene tricarboxylic acid, vinyl It is preferable to use any one or more selected from ethylene-based compounds such as sulfonic acid, allyl sulfonic acid, metalylsulfonic acid, parastyrene sulfonic acid, and polyhydric acids or derivatives thereof.
  • an azo compound or a sulfate compound may be used, but in general, it is preferable to use a radical initiator used for a redox reaction.
  • Polyvinylalcohol (PVA) used according to another suitable embodiment of the present invention is a biocompatible hydrophilic polymer material and can be used as a drug delivery system or membrane because of its excellent physical and mechanical properties and chemical resistance.
  • the polyvinyl alcohol has excellent biocompatibility, is easy to manufacture, has a swelling property, is suitable for absorbing the exudates of wounds, and has a -OH group to facilitate modification.
  • the polyvinyl alcohol is currently applied to tissue regeneration of cartilage, breast augmentation, etc. in the form of hydrogel, and is composed of C, H, O, so that when the polymer is biodegraded, the decomposition product is not harmful to the human body, so it is less toxic.
  • the nanofiber-type membrane by the electrospinning method maintains the pores and is advantageous for angiogenesis, etc., and has excellent biocompatibility because it has a structure similar to the extracellular matrix.
  • Polyamide used according to another suitable embodiment of the present invention refers to a generic term for polymers linked by amide bonds (-CONH-), which can be obtained by condensation polymerization of diamines and divalent acids.
  • Polyamides are characterized by amide bonds in their molecular structure and vary in physical properties depending on the proportion of amide groups. For example, when the ratio of amide groups in a molecule increases, specific gravity, melting point, water absorbency, rigidity, etc., are increased.
  • polyamide is a material that is applied in a wide range of fields such as clothing, tire cords, carpets, ropes, computer ribbons, parachutes, plastics, adhesives, etc. due to its excellent corrosion resistance, abrasion resistance, chemical resistance and insulation.
  • polyamides are classified into aromatic polyamides and aliphatic polyamides.
  • Typical aliphatic polyamides include nylon.
  • Nylon is originally a trademark of DuPont, USA, but is currently used as a generic name.
  • Nylon is a hygroscopic polymer and reacts sensitively to temperature. Representative nylons include nylon 6, nylon 66 and nylon 46.
  • nylon 6 has excellent heat resistance, moldability, and chemical resistance properties, and is manufactured by ring-opening polymerization of ⁇ -caprolactam to prepare it.
  • Nylon 6 is because caprolactam has 6 carbon atoms.
  • Nylon 66 is similar to nylon 6 in general, but has excellent heat resistance and superior self-extinguishing and abrasion resistance compared to nylon 6.
  • Nylon 66 is prepared by dehydration condensation polymerization of hexamethylenediamine with adipic acid.
  • nylon 46 is excellent in heat resistance, mechanical properties and impact resistance, processing temperature
  • Nylon 46 is made by polycondensation of tetramethylenediamine with adipic acid.
  • Diaminobutane (DAB) a raw material, is prepared from the reaction between acrylonitrile and hydrogen cyanide.In the polymerization operation, a salt is prepared from diaminobutane and adipic acid in the first step, and then subjected to polymerization under an appropriate pressure. After conversion to a prepolymer, the solid of the prepolymer is prepared by polymerizing in a solid phase by treatment at about 250 ° C. in the presence of nitrogen and water vapor.
  • Nylon 46 in particular exhibits excellent characteristics with high amide concentrations and regular ordered arrangement between methylene and amide groups.
  • the melting point of nylon 46 is about 295 ° C., which is higher than that of other types of nylon, and has attracted attention as a resin having excellent heat resistance due to the above characteristics.
  • Polyurethanes used in accordance with another suitable embodiment of the present invention may be prepared using known polyurethane reaction techniques. For example, an excess molar amount of organic diisocyanate is reacted with polyalkylene ether glycol in an amide polar solvent to prepare an intermediate polymer having an isocyanate group at its terminal, and then the intermediate polymer is dissolved in an amide polar solvent and A polyurethane polymer can be obtained by making a terminal stop agent react.
  • the polyether polyols are preferably synthesized in a molar ratio of 0.15 to 0.95 to 1 to 3 moles of isocyanate.
  • Isocyanates include isophorone diisocyanate, 2,4-toluene diisocyanate and its isomers, diphenylmethane diisocyanate, hexamethylene diisocyanate, lysine diisocyanate, trimethylhexamethylene diisocyanate, bis (2-isocyanate ether) -fumarate , 3,3'-dimethyl-4,4'-diphenylmethane diisocyanate, 1,6-hexanediisocyanate, 4,4'-biphenylene diisocyanate, 3,3'-dimethylphenylene diisocyanate, p-phenyl Rendiisocyanate, m-phenylenediisocyanate, 1,5-naphthalene diisocyanate, 1,4-xylene diisocyanate, 1,3-xylene diisocyanate and the like can be used, preferably diphenylmethane diisocyanate,
  • the polyether polyols have an ethylene oxide / propylene oxide random copolymer having three or more hydroxyl groups in a molecule having a molecular weight of 3,000 to 6,000 and an ethylene oxide content of 50 to 80%, and a molecular weight of 1,000 to Ethylene oxide / propylene oxide random copolymer having a molecular weight of 3,000 to 6,000 and an ethylene oxide content of 50 to 80%, having three hydroxyl groups in the molecule, and preferably used in a mixture of 30:70 to the weight of 4,000 polypropylene glycol. It is better to use alone. However, other isocyanate compounds and polyols not mentioned above may be mixed for controlling physical properties.
  • the heat resistant polymer used according to another suitable embodiment of the present invention is one kind of polymer selected from the group consisting of polyimide, metaaramid and polyethersulfone.
  • the polyimide which is one of the heat resistant polymers used in the present invention, may be prepared by a two step reaction.
  • the first step is to prepare a polyamic acid, as shown in Scheme 1 below,
  • the polyamic acid proceeds by adding dianhydride to a reaction solution in which diamine is dissolved, and in order to increase the degree of polymerization, the reaction temperature, the moisture content of the solvent, and the purity of the monomer are required.
  • organic polar solvents of dimethylacetamide (DMAc), dimethylformamide (DMF) and en-methyl-2-pyrrolidone (NMP) are mainly used.
  • the anhydrides include pyromellyrtic dianhydride (PMDA), benzophenonetetracarboxylic hydride (BTDA), 4,4'-oxydiphthalic anhydride (4,4'-oxydiphthalic anhydride, ODPA), biphenyltetracarboxylic dianhydride (BPDA) and bis (3,4'-dicarboxyphenyl) dimethylsilanedihydride (bis (3,4-dicarboxyphenyl) dimethylsilane dianhydride (SIDA) It can be used to include one.
  • PMDA pyromellyrtic dianhydride
  • BTDA benzophenonetetracarboxylic hydride
  • ODPA 4,4'-oxydiphthalic anhydride
  • BPDA biphenyltetrac
  • the diamine may be 4,4'-oxydianiline (4,4'-oxydianiline, ODA), paraphenylenediamine (p-penylene diamine, p-PDA) and orthophenylenediamine (o-penylenediamine, o-PDA) may be used.
  • ODA 4,4'-oxydianiline
  • paraphenylenediamine p-penylene diamine, p-PDA
  • orthophenylenediamine o-penylenediamine, o-PDA
  • the reprecipitation method adds a polyamic acid solution to the excess solvent (Poor solvent)
  • Chemical imidization is a method of chemically imidizing a reaction using a dehydration catalyst such as acetic anhydride / pyridine, and is useful for preparing a polyimide film.
  • a dehydration catalyst such as acetic anhydride / pyridine
  • the thermal imidization method is a method of thermally imidating a polyamic acid solution by heating it to 150-200 ° C.
  • the simplest process or crystallinity is high, and the polymer is decomposed because an amine exchange reaction occurs when an amine solvent is used. There is this.
  • Isocyanate method uses diisocyanate as monomer instead of diamine.
  • the specific gravity of metaaramid which is one of the heat resistant polymers used in the present invention, is preferably 1.3 to 1.4, and preferably has a weight average molecular weight of 300,000 to 1,000,000. Most preferred weight average molecular weight is from 3,000 to 500,000.
  • the metaaramids include meta-oriented synthetic aromatic polyamides.
  • Metaaramid polymers must have a fiber-forming molecular weight and can include polyamide homopolymers, copolymers, and mixtures thereof that are primarily aromatic, wherein at least 85% of the amide (-CONH-) bonds are directly directed to the two aromatic rings. Attached. The ring may be unsubstituted or substituted.
  • the polymer becomes meta-aramid when two rings or radicals are meta-oriented relative to each other along the molecular chain.
  • the copolymer has up to 10% other diamines substituted with the primary diamine used to form the polymer, or up to 10% other diacids substituted with the primary diacid chloride used to form the polymer. Chloride.
  • metaaramids are poly (meth-phenylene isophthalamide) (MPD-I) and copolymers thereof.
  • MPD-I poly (meth-phenylene isophthalamide)
  • One such metaaramid fiber is Lee. Wilmington, Delaware, USA. Child. Nomex® aramid fibers available from EI du Pont de Nemours and Company, while metaaramid fibers are available from Teijin Ltd., Tokyo, Japan. Trade name Tejinconex (registered trademark); New Star® meta-aramid, available from Yantai Spandex Co. Ltd, Shandong, China; And Chinfunex® Aramid 1313, available from Guangdong Charming Chemical Co. Ltd., Xinhui, Guangdong, China.
  • This meta-aramid is the first high heat-resistant aramid fiber, it can be used at 350 °C in a short time, 210 °C in continuous use, and when exposed to a temperature higher than this does not melt or burn like other fibers, it is carbonized . Above all, unlike other products that have been flame retardant or fireproof, it does not emit toxic gases or harmful substances even when carbonized and has excellent properties as an eco-friendly fiber.
  • meta-aramid since meta-aramid has a very strong molecular structure, the molecules constituting the fiber are not only strong in nature but also easily oriented in the fiber axial direction during the spinning step, thereby improving crystallinity and improving the strength of the fiber. There is an advantage to increase.
  • polyethersulfone (Polyethersulfone (PES)) is a amber transparent amorphous resin having the following repeating units, generally prepared by the polycondensation reaction of dichlorodiphenylsulfone.
  • Polyethersulfone is a super heat-resistant engineering plastic developed by ICI, UK, and is a polymer having excellent heat resistance among thermoplastic plastics. Since polyethersulfone is amorphous, there is little physical property deterioration by temperature rise, and since the temperature dependence of flexural modulus is small, it hardly changes at -100-200 degreeC. Load distortion temperature is 200-220 degreeC, and glass transition temperature is 225 degreeC. In addition, the creep resistance up to 180 ° C. is the best among thermoplastic resins, and has the property of withstanding hot water or steam of 150 to 160 ° C.
  • polyether sulfone is used in optical discs, magnetic discs, electric and electronic fields, hydrothermal fields, automobile fields, and heat-resistant coatings.
  • Solvents usable with the polyethersulfone include acetone, tetrahydrofuran, methylene chloride, chloroform, dimethylformamide (N, N-Dimethylformamide, DMF), dimethylacetamide (N, N-Dimethylacetamide, DMAc), N- Methyl-2-pyrrolidone (N-methyl pyrrolidone, NMP), cyclohexane, water, or mixtures thereof, and the like, but is not necessarily limited thereto.
  • FIG. 1 is a side view schematically showing an electrospinning device according to the present invention
  • FIG. 2 is a side cross-sectional view schematically showing a nozzle of a nozzle block installed in each unit of an electrospinning apparatus according to the present invention
  • FIG. I s a side cross-sectional view schematically showing another embodiment according to the nozzle of the nozzle block installed in each unit of the electrospinning apparatus according to the present invention
  • FIG. 4 schematically shows a nozzle block installed in each unit of the electrospinning apparatus according to the present invention
  • FIG. 5 is a front sectional view schematically illustrating a state in which a heat transfer device is installed in a nozzle block installed in each unit of an electrospinning apparatus according to the present invention
  • FIG. 6 is a cross-sectional view taken along line AA ′ of FIG. 5.
  • 7 is a front end schematically showing another embodiment of the state in which the heat transfer device is installed in the nozzle block installed in each unit of the electrospinning apparatus according to the present invention.
  • FIG. 8 is a cross-sectional view taken along line B-B 'of FIG. 7, and
  • FIG. 9 schematically illustrates another embodiment of a heat transfer apparatus installed in a nozzle block installed in each unit of the electrospinning apparatus according to the present invention.
  • FIG. 10 is a cross-sectional view taken along line C-C 'of FIG. 9, and
  • FIG. 11 is a view schematically showing an auxiliary transport apparatus of an electrospinning apparatus according to the present invention, and
  • FIG. FIG. 13 is a view schematically showing another embodiment of the auxiliary belt roller of the auxiliary feeder, and
  • FIGS. 13 to 16 are side views schematically showing an operation process of the long seat conveying speed adjusting device of the electrospinning
  • the electrospinning apparatus 1 comprises a bottom-up electrospinning apparatus 1, at least two or more units 10a, 10b are sequentially provided at regular intervals, and the Each unit 10a, 10b electrospins the same polymer spinning solution individually, or separately polymerizes the polymer spinning solution of different materials to produce a filter.
  • each unit (10a, 10b) is for supplying a fixed amount of the polymer spinning solution filled in the spinning solution main tank (8) and the spinning solution main tank (8) filled therein the polymer spinning solution therein Discharge the polymer spinning solution filled in the metering pump (not shown) and the spinning solution main tank (8), wherein the nozzle block 11 and the nozzle 12 are arranged in a plurality of nozzles (12)
  • the nozzle block 11 and the nozzle 12 are arranged in a plurality of nozzles (12)
  • the polymer spinning solution to be injected from the nozzle 12 is composed of a configuration comprising a collector 13 and a voltage generator (14a, 14b) for generating a voltage to the collector 13 spaced apart.
  • the electrospinning apparatus may be composed of four or more units, as shown in Figure 33, wherein the spinning solution unit 10b and the low melting point polymer unit 10c of the electrospinning apparatus 1
  • the top and bottom of the substrate passing through the spinning solution unit 10b are rotated by 180 ° by the flip device 110 provided therebetween. This will be described in detail as follows.
  • the low melting polymer unit 10a As shown in FIGS. 34 to 38, the low melting polymer unit 10a,
  • any one of both ends of the substrate 15 is the inner circumference of the flip device 110
  • the other end of the substrate 15 is directed downward along the right guide member 111 '
  • the base 15 is rotated by 180 ° while being guided to the left and right guide members 111 and 111 '.
  • Each unit 10a, 10b, of the electrospinning apparatus 1 has the structure as described above.
  • the substrate 15 on which the nanofiber layer is laminated is rotated by 180 ° while the polymer spinning solution is electrospun on the lower surface while passing through the units 10a and 10b positioned at the tip side of the ends 10c and 10d.
  • the nanofiber layer may be formed by electrospinning the polymer spinning solution on the upper surface of the substrate 15 on which the polymer spinning solution is not electrospun during the passage of the units 10c and 10d positioned on the rear end side.
  • Nanofiber layer is laminated by electrospinning the polymer spinning solution on one side of the substrate 15 through the units 10a, 10b located at the tip side of each unit 10a, 10b, 10c, 10d of the yarn making machine 1.
  • the substrate is formed by electrospinning a polymer spinning solution on the other side of the substrate 15 through the units 10c and 10d positioned at the rear end of each unit 10a, 10b, 10c, and 10d to form a nano-islet layer.
  • the nanofiber layer may be laminated on both surfaces of (15).
  • a fabric made of vinylidene fluoride nanofiber nonwoven is supplied to the flip device 110
  • the upper surface of the fabric is changed to a lower surface, and the lower surface of the fabric is rotated 180 degrees so that the position is changed to the upper surface.
  • the electrospinning apparatus 1 includes a plurality of nozzles 12 in which the polymer spinning solution filled in the spinning solution main tank 8 is formed in the nozzle block 11 through a metering pump. Continuously quantitatively supplied, the polymer spinning solution is supplied to the nanofiber on the long sheet (15) that is spun and concentrated on the collector 13 is subjected to a high voltage through the nozzle 12 is moved on the collector 13 The formed nanofibers are made into a filter.
  • the front of the unit (10a) located at the front end of each unit (10a, 10b) of the electrospinning device (1) is supplied into the unit (10a) long to the nanofibers are laminated by the injection of the polymer spinning solution
  • a feed roller 3 for supplying the sheet 15 is provided, and the long sheet 15 to which the nanofibers are laminated is formed on the rear of the unit 10c positioned at the rear end of each of the knits 10a and 10b.
  • Winding roller 5 is provided.
  • the long sheet 15 in which the polymer spinning solution is laminated while passing through the units 10a and 10b is preferably a release paper film, and the polymer spinning solution is spun onto the collector 13 without the long sheet 15. More preferably.
  • the material of the polymer spinning solution radiated through each unit (10a, 10b) of the electrospinning apparatus 1 is not limited separately, in the present invention, the unit (10a) is hydrophilic polymer, hydrophobic polymer, polyvinylidene
  • the unit (10a) is hydrophilic polymer, hydrophobic polymer, polyvinylidene
  • One first polymer solution selected from the group consisting of fluoride and hydrophobic polyurethane is used
  • unit 10b contains polyimide, metaaramid, polyethersulfone, polyvinylidene fluoride and hydrophobic polyurethane
  • the selected second polymer solution is used
  • the unit 10c is a third polymer solution selected from the group consisting of hydrophilic polymer, hydrophobic polymer, polyvinylidene fluoride and hydrophobic polyurethane. do.
  • the spinning solution supplied through the nozzle 12 in the units 10a and 10b is a solution in which the polymer of the electrospinable synthetic resin material is dissolved in a suitable solvent, and the type of solvent may also dissolve the polymer.
  • a suitable solvent such as phenol, formic acid, sulfuric acid, m-cresol, thifluoroacetic & hydride / dichloromethane, water, N-methylmorpholine N-oxide, chloroform, tetrahydrofuran Methyl isobutyl ketone, methyl ethyl ketone, aliphatic hydroxyl group m-butyl alcohol, isobutyl alcohol, isopropyl alcohol, methyl alcohol, ethanol, aliphatic ketone group, propylene glycol as hexane, tetrachloroethylene, acetone, glycol group , Diethylene glycol, ethylene glycol, halogenated compounds, trichloroethylene, dichlorome
  • the nozzle 12 provided in the nozzle block 11 of the electrospinning apparatus 1 according to the present invention consists of a multi-tubular nozzle 500, two or more polymer chambers Two or more inner and outer tubes 501 and 502 are combined in a sheath-core shape to simultaneously electrospin the use liquid.
  • the nozzle block 11 is located at the bottom of the nozzle plate 405 and the nozzle plate 405 in which the multi-tubular nozzle 500 is formed in a multi-pipe shape of a sheath-core type.
  • the overflow liquid temporary storage plate 410 and the overflow liquid temporary storage plate 410 which are connected to the overflow removing nozzle 415 and located directly above the nozzle plate 405 are located in the overflow portion.
  • the overflow removal nozzle support plate 416 which supports the furnace removal nozzle 415 is comprised.
  • the air is positioned at the top of the air supply nozzle 404 and the nozzle block 11 surrounding the multi-tubular nozzle 500 and the overflow removing nozzle 415 to support the air supply nozzle 404.
  • the air inlet 413 for supplying air to the air supply nozzle 404 and the air storage for storing the supplied air is comprised.
  • an overflow outlet 412 for discharging the overflow liquid to the outside through the overflow removal nozzle 415 is provided.
  • the nozzle 12 is formed in a cylindrical shape, but as shown in FIG. 3, the nozzle 12 is formed in a wedge-shaped cylinder,
  • the tip portion 503 is formed in the shape of a fallopian tube at an angle of 5 to 30 degrees to the axis.
  • the tip portion 503 formed in the shape of the fallopian tube is formed in the form of narrowing from the top to the bottom, but if formed in the form of narrowing from the top to the bottom may be formed in various other shapes.
  • the nozzle block 111 of the electrospinning apparatus 100 has a plurality of nozzle pipes 112 arranged in the longitudinal direction thereof, and a spinning solution main tank 120 for supplying a polymer spinning solution to the nozzle pipes 112. At least one connection may be provided.
  • the nozzle body (112a, 112b, 112c, 112d, 112e, 112f, 112g, 112h, 112i) is formed in a rectangular parallelepiped, a plurality of nozzles (111a) are provided linearly on the upper surface of the nozzle block 111
  • the nozzle body 112a, 112b, 112c, 112d, 112e, 112f, 112g, 112h, 112i are arranged in the longitudinal direction of the substrate 115 in a plurality, and are connected to the spinning solution main tank 120 Polymer spinning solution filled in the spinning solution main tank 120 is supplied.
  • each nozzle pipe (112a, 112b, 112c, 112d, 112e, 112f, 112g, 112h, 112i) is connected to the spinning solution main tank 120 as a solution supply pipe 121, the solution supply pipe 121 is A plurality of branching bodies are connected to connect the nozzle bodies 112a, 112b, 112c, 112d, 112e, 112f, 112g, 112h, 112i and the spinning solution main tank 120.
  • the supply amount adjusting means (not shown) to the solution supply pipe 121 that is addressed to each nozzle pipe (112a, 112b, 112c, 112d, 112e, 112f, 112g, 112h, 112i) in the spinning solution main tank 120 Is provided, the supply amount adjusting means is made of a supply valve (122).
  • the supply valve 122 is provided in the solution supply pipe 121 which is extended from the spinning solution main tank 120 to each nozzle pipe 112a, 112b, 112c, 112d, 112e, 112f, 112g, 112h, 112i.
  • the supply of the polymer spinning solution supplied from the spinning solution main tank 120 to each nozzle tube 112a, 112b, 112c, 112d, 112e, 112f, 112g, 112h, and 112i by the respective supply valves 122 is controlled. And controlled by the controlled on-off system.
  • the nozzle is opened and closed by the supply valve 122 provided in the solution supply pipe 121 extending the main tank 120 and the nozzle pipe bodies 112a, 112b, 112c, 112d, 112e, 112f, 112g, 112h, and 112i.
  • nozzle pipes 112b, 112d, 112f, 112g, 112h, 112i at a specific position among the nozzle pipes 112a, 112b, 112c, 112d, 112e, 112f, 112g, 112h, and 112i arranged in the block 111.
  • Each nozzle pipe 112a, 112b, 112c, 112d, 112e, 112f, 112g, 112h, 112i in the spinning solution main tank 120 by opening and closing the supply valve 122, etc.
  • the supply of the polymer spinning solution to be controlled is controlled.
  • the supply valve 122 is controllably connected to the control unit (not shown), it is preferable that the opening and closing of the supply valve 122 is automatically controlled by the control unit, according to the site situation and the needs of the operator It is also possible that the opening and closing of the supply valve 122 is controlled manually.
  • the supply amount adjusting means is composed of a supply valve 122, but in the spinning solution main tank 120, each nozzle pipe (112a, 112b, 112c, 112d, 112e, 112f, 112g, 112h, 112i) Control and control of the supply amount of the polymer spinning solution to be supplied to the) If available, the supply amount adjusting means may be made of various other structures and means, but is not limited thereto.
  • the solution supply pipe 121 is to branch, while the spinning solution main tank 120 and each nozzle pipe (112a, 112b, 112c, 112d, 112e, 112f, 112g, 112h, 112i) to be addressed
  • Each of the supply valves 122 is provided in each of the plurality of nozzles 112a, 112b, 112c, 112d, 112e, 112f, 112g, 112h, 112i from the spinning solution main tank 120 to supply a plurality of polymer spinning solutions.
  • the nozzles in the spinning solution main tank 120 by opening and closing the supply valve 122, for example, to block the supply of the polymer spinning solution only to the 112c and 112e.
  • the supply of the polymer spinning solution to be supplied to the (112a, 112b, 112c, 112d, 112e, 112f, 112g, 112h, 112i) is adjusted and controlled.
  • the polymer spinning solution supplied to each nozzle pipe (112a, 112b, 112c, 112d, 112e, 112f, 112g, 112h, 112i) through the solution supply pipe 121 in the spinning solution main tank 120 is the solution supply pipe It is supplied to each nozzle 111a provided in the nozzle pipe
  • tube 112a, 112b, 112c, 112d, 112e, 112f, 112g, 112h, 112i through the nozzle supply pipe 125 extended to 121.
  • each of the nozzles 111a provided in the solution supply pipe 121 and the nozzle pipes 112a, 112b, 112c, 112d, 112e, 112f, 112g, 112h, and 112i is addressed to the nozzle supply pipe 125, and
  • the nozzle supply pipe 125 is branched to correspond to the number of nozzles 111a.
  • the nozzle supply pipe 125 is provided with a radiation dose adjusting means (not shown), the radiation dose adjusting means is composed of a nozzle valve (126).
  • the nozzle valve 126 is provided as the radiation amount adjusting means to individually control the supply of the polymer spinning solution supplied from the nozzle supply pipe 125 to each nozzle 111a by opening and closing the nozzle valve 126.
  • the nozzle valve 126 is controllably connected to a control unit (not shown), but the opening and closing of the nozzle valve 126 are preferably controlled automatically by the control unit. It is also possible that the opening and closing of the nozzle valve 126 is controlled manually.
  • the radiation amount adjusting means is composed of a nozzle valve 126, if it is easy to control and control the radiation amount of the polymer spinning solution to be emitted after being supplied to the nozzle 111a from the nozzle pipe 112
  • the radiation dose adjusting means may be made of various other structures and means, but is not limited thereto.
  • the solution supply pipe 121 and the nozzles 111a are connected and installed, and the nozzle valve 126 is provided in the nozzle supply pipe 125 which is branched, respectively, and the spinning solution main tank 120 is provided.
  • the nozzle valve 126 is provided in the nozzle supply pipe 125 which is branched, respectively, and the spinning solution main tank 120 is provided.
  • a specific nozzle valve 126 to close the nozzle body 112a, 112b, 112c, 112d, 112e, 112f, 112g, 112h, 112i of each of the nozzles (111a) provided in the nozzle 111a at a specific position
  • the nozzle pipe 112a in the spinning solution main tank 120 by the nozzle valve 126.
  • the supply of the polymer spinning solution supplied to each nozzle 111a through 112b, 112c, 112d, 112e, 112f, 112g, 112h, 112i is individually controlled and controlled.
  • the supply valve 122 is provided in the solution supply pipe 121 so that each nozzle pipe 112a, 112b, 112c, 112d, 112e of the nozzle block 111 in the spinning solution main tank 120 is provided.
  • each nozzle 111a is directly adjusted and controlled individually.
  • the respective nozzles (111a) adjusting and controlling the amount of radiation of the polymer spinning solution to be electrospun and can be made to form a laminate having a basis weight different from the nanofibers in the longitudinal direction of the base material 115, and the like.
  • the MD direction used in the present invention means Machine Direction, which means the longitudinal direction corresponding to the advancing direction in the case of continuous production of fibers such as film or nonwoven fabric, and the CD direction refers to the perpendicular direction of the CD direction as Cross Direction. . MD may also refer to machine direction / longitudinal direction, and CD to width direction / lateral direction.
  • the overflow device 200 is provided in the electrospinning apparatus 1 according to the present invention.
  • Each overflow device 200 including a tank 230 is provided.
  • each of the units 10a and 10b of the electrospinning apparatus 1 is provided with an overflow device 200, but any one unit 10a of each of the units 10a and 10b is provided.
  • the overflow device 200 is provided, and the unit 10b located at the rear end of the overflow device 200 may be integrally connected.
  • the spinning solution main tank 8 stores the spinning solution serving as a raw material of the nanofibers.
  • the spinning solution main tank (8) is provided with a stirring device (211) for preventing separation or solidification of the spinning solution.
  • the second conveying pipe 216 is composed of pipes and valves 212, 213, and 214 connected to the spinning solution main tank 8 or the regeneration tank 230, and the spinning solution main tank 8 or regeneration.
  • the spinning solution is transferred from the tank 230 to the intermediate tank 220.
  • the second transfer control device 218 controls the transfer operation of the second transfer pipe 216 by controlling the valves 212, 213, 214 of the second transfer pipe 216.
  • the valve 212 controls the transfer of the spinning solution from the spinning solution main tank 8 to the intermediate tank 220, and the valve 213 transfers the spinning solution from the regeneration tank 230 to the intermediate tank 220.
  • the valve 214 controls the amount of polymer spinning solution flowing into the intermediate tank 220 from the spinning solution main tank 8 and the regeneration tank 230.
  • the control method as described above is controlled according to the liquid level of the spinning solution measured by the second sensor 222 provided in the intermediate tank 230 to be described later.
  • the intermediate tank 220 stores the spinning solution supplied from the spinning solution main tank 8 or the regeneration tank 230, supplies the spinning solution to the nozzle block 11, and adjusts the liquid level of the supplied spinning solution.
  • the second sensor 222 to measure is provided.
  • the second sensor 222 may be a sensor capable of measuring the liquid level, and is preferably made of, for example, an optical sensor or an infrared sensor.
  • the lower portion of the intermediate tank 220 is provided with a supply pipe 240 and a supply control valve 242 for supplying the spinning solution to the nozzle block 11, the supply control valve 242 is the supply pipe 240 Control the supply operation.
  • the regeneration tank 230 has a stirring device 231 for storing the spinning solution recovered by overflow and preventing separation or solidification of the spinning solution, and measuring a liquid level of the recovered spinning solution. 232 is provided.
  • the first sensor 232 may be a sensor capable of measuring the liquid level, and for example, it is preferable that the first sensor 232 is formed of an optical sensor or an infrared sensor.
  • the spinning solution overflowed from the nozzle block 11 is recovered through the spinning solution recovery path 250 provided under the nozzle block 11.
  • the spinning solution recovery path 250 recovers spinning solution to the regeneration tank 230 through the first transfer pipe 251.
  • the first transfer pipe 251 includes a pipe and a pump connected to the regeneration tank 230, and transfers the spinning solution from the spinning solution recovery path 250 to the regeneration tank 230 by the power of the pump. .
  • the regeneration tank 230 is preferably at least one, in the case of two or more may be provided with a plurality of the first sensor 232 and the valve 233.
  • a plurality of valves 233 positioned above the regeneration tank 230 are also provided, so that a first transfer control device (not shown) is provided in the regeneration tank 230. Control two or more valves 233 located above the liquid level of the first sensor 232 to control whether the spinning solution is transferred to any one of the plurality of regeneration tanks 230. do.
  • the electrospinning apparatus 1 is provided with a VOC recycling apparatus 300. That is, a condenser for condensing and liquefying VOCs (Volatile Organic Compounds) generated during spinning of the polymer spinning solution through the nozzles 12 on the units 10a and 10b of the electrospinning apparatus 1. And a distillation apparatus 320 for distilling and liquefying VOC condensed through the condenser 310 and a solvent storage device 330 for storing the liquefied solvent through the distillation apparatus 320.
  • the VOC recycling apparatus 300 is provided.
  • the condenser 310 is preferably made of a water-cooled, evaporative or air-cooled condenser, but is not limited thereto.
  • the vaporized VOC generated in each of the units 10a and 10b is introduced into the condenser 310, and the liquefied VOC generated in the condenser 310 is stored in the solvent storage device 330. Pipings 311 and 331 for connecting are respectively installed.
  • pipes 311 and 331 for connecting the units 10a and 10b and the condenser 310 and the condenser 310 and the solvent storage device 330 are connected to each other.
  • the condensed VOC is condensed through the condenser 310, and the condensed liquefied VOC is supplied to the solvent storage device 330, but the condenser 310 and the solvent storage are provided. It is also possible to provide a distillation apparatus 320 between the apparatus 330 to separate and classify each solvent when one or more solvents are applied.
  • the distillation apparatus 320 is connected to the condenser 310 to heat and vaporize the liquefied state of the VOC with high temperature heat, and is cooled again to supply the liquefied VOC to the solvent storage device (330).
  • the VOC recycling apparatus 300 supplies condensation and liquefaction by supplying air and cooling water to the vaporized VOCs discharged through the units 10a and 10b and the condenser 310.
  • the distillation apparatus 320 is preferably made of a fractional distillation apparatus, but is not limited thereto.
  • piping for connecting the units 10a and 10b and the condenser 310, the condenser 310 and the distillation apparatus 320, and the distillation apparatus 320 and the solvent storage device 330 to each other 311, 321, and 331 are connected to each other.
  • the content rate of the solvent in the spinning solution overflowed and collected in the regeneration tank 230 is measured.
  • the measurement can be carried out by extracting a portion of the spinning solution in the regeneration tank 230 as a sample, and analyzing the sample. Analysis of the spinning solution can be carried out by a known method.
  • the required amount of solvent is supplied to the regeneration tank 230 through the pipe 332 of the liquefied VOC supplied to the solvent storage device 330. That is, the liquefied VOC is supplied to the regeneration tank 230 in a required amount according to the measurement result, and can be reused and recycled as a solvent.
  • the case 18 constituting the units 10a and 10b of the electrospinning apparatus 1 is preferably made of a conductor, but the case 18 is made of an insulator or the case 18 is made of conductive material.
  • the body and the insulator may be mixed and applied, or may be made of various other materials.
  • the case 18 is preferably formed of a single case 18 is coupled to the lower portion formed of a conductor and the upper portion formed of an insulator, but is not limited thereto.
  • the case 18 is formed of a conductor and an insulator, and the upper part of the case 18 is formed of an insulator, and is separately provided to attach the collector 13 to the upper inner surface of the case 18. It is possible to delete the insulating member 19, which can simplify the configuration of the device.
  • the insulation between the collector 13 and the case 18 can be optimized, and when the electrospinning is performed by applying 35 kV between the nozzle block 11 and the collector 13, the collector 13 and the case 18. It is possible to prevent breakdown of insulation which may occur between (18) and other members.
  • the leak current can be stopped within a predetermined range, so that the current supplied from the voltage generators 14a and 14b can be monitored, and an abnormality of the electrospinning apparatus 1 can be detected early, thereby the electrospinning apparatus
  • the long time continuous operation of (1) is possible, nanofiber production of the required performance is stable, and mass production of nanofibers is possible.
  • the leakage current can be limited within a predetermined range.
  • the distance between the inner surface of the case 18 formed of an insulator and the outer circumferential surface of the collector 13 is between the thickness a of the case 18 and the inner surface of the case 18 and the outer surface of the collector 13.
  • the leakage current can be limited within a predetermined range.
  • the temperature control device 60 is provided in each tube 40 of the nozzle block 11 installed in each unit 10a, 10b of the electrospinning apparatus 1 according to the present invention, and the voltage generator 14a, 14b).
  • the tubular body 40 of the nozzle block 11 is installed in each of the units (10a, 10b), the polymer spinning solution is supplied to a plurality of nozzles 12 provided thereon ) Is provided with a temperature control device (60).
  • the flow of the polymer spinning solution in the nozzle block 11 is supplied to each tube 40 through a solution flow pipe from the spinning solution main tank 8 in which the polymer spinning solution is stored.
  • the polymer spinning solution supplied to each of the tubular bodies 40 is discharged and sprayed through a plurality of nozzles 12 and integrated in the long sheet 15 in the form of nanofibers.
  • a plurality of nozzles 12 in the longitudinal direction are mounted on the upper portion of each of the tubular body 40 at regular intervals, and the nozzle 12 and the tubular body 40 are made of a conductive member and the tubular body 40 in an electrically connected state. ) Is mounted.
  • the temperature control device 60 is a heating wire (41, 42) or pipe 43 provided on the inner periphery of the tubular body (40) )
  • a temperature control device 60.
  • the thermostat device 60 in the form of a hot wire 41 is formed spirally on the inner circumference of the tubular body 40 of the nozzle block 11 to the tubular body 40 It is preferred to be made to control the temperature of the polymer spinning solution supplied and introduced.
  • the temperature control device 60 in the form of a heating wire 41 in the inner circumference of the tubular body 40 of the nozzle block 11, as shown in Figures 7 to 8
  • a plurality of temperature regulating devices 60 in the form of hot wires 42 may be provided radially on the inner circumference of the tubular body 40, as shown in FIGS. 9 to 10, in the form of the pipe 43.
  • the temperature control device 60 of the tubular body 40 is provided in a substantially "C" form.
  • the present invention is to increase the efficiency of electrospinning by using a high concentration of the polymer solution to be reused after the overflow instead of maintaining a constant concentration, but by constantly adjusting the viscosity of the polymer solution using the temperature control device (60) It provides a means and excellent scattering properties at high temperature conditions to control the high viscosity without the use of a diluent can facilitate the formation of nanofibers of the polymer solution.
  • Viscosity refers to the ratio of the skew stress and skew rate of the solute and solvent in the flowing liquid. It is usually expressed in terms of viscoelasticity per cut area and the unit is dynscm-2gcm-1s-1 or poise (P). The viscosity decreases in inverse proportion to the temperature rise. The viscosity of the solution is higher than that of the solvent because the flow of the liquid is skewed depending on the solute, and the flow rate of the liquid is reduced by that amount.
  • K and a at this time are integers which depend on a kind of a solute or a solvent, and temperature. Therefore, the viscosity value is affected by temperature and the degree of change depends on the type of fluid. Therefore, when talking about viscosity, you must specify the values of temperature and viscosity.
  • the fiber diameter of the nanofibers such as the type of polymer and solvent used, the concentration of the polymer solution, the temperature and humidity of the spinning room, It is known to affect radioactivity. That is, the physical properties of the polymer (polymer solution) radiated by electrospinning is important. In general, the viscosity of the polymer during electrospinning has been considered necessary to maintain a certain viscosity or less. This is due to the property that the higher the viscosity, the spinning of the nano-thickness fibers through the nozzle is not made smoothly, the higher the viscosity is not suitable for the fiber through the electrospinning.
  • the present invention is characterized in that it comprises a temperature control device 60 for maintaining the fiber viscosity suitable for electrospinning as described above.
  • the temperature control device 60 may include any one or both of a heating device capable of maintaining a low viscosity of a high viscosity polymer solution reused through overflow and a cooling device capable of maintaining a high viscosity of a relatively low viscosity polymer solution. It can be provided.
  • the temperature of the electrospinning region In the temperature of the electrospinning region, the temperature of the region where electrospinning occurs (hereinafter referred to as the 'spinning region') changes the surface tension of the spinning solution by changing the viscosity of the spinning solution, so that the diameter of the nanofibers spun Will affect.
  • the concentration of the polymer solution re-supplied through the overflow tends to increase.
  • the temperature is controlled using a temperature-viscosity graph according to the corresponding concentration. The viscosity can be kept constant.
  • the concentration measuring device for measuring the concentration may be a contact type and a non-contact type directly contacting the solution, and the contact type may be a capillary concentration measuring device or a disc (DISC) concentration measuring device.
  • Concentration measuring apparatus or concentration measuring apparatus using infrared light can be used.
  • the heating device of the present invention may be made of an electric heater, a hot water circulation device or a warm air circulation device, etc., in addition to the devices that can increase the temperature in a range equivalent to the above devices can be borrowed.
  • the electric heating heater may be used in the form of a hot wire, and the coil wires 62a and 62b may be mounted inside the tubular body 43 of the nozzle block 110, which may be transformed into a jacket ( 5 to 10).
  • Such a heating apparatus includes a nozzle block 110 in which the polymer solution is radiated, a tank (main storage tank, an intermediate tank or a regeneration tank) in which the polymer solution is stored, and an overflow system 200, in particular, transferred from the recovery part to the regeneration tank. It may be provided in any one or more of the transfer piping).
  • the cooling device of the present invention may be used, such as a cooling means including a chilling device, means for maintaining a constant viscosity of the polymer solution is typically applicable.
  • the cooling device may be provided in any one or more of the nozzle block 110, the tank, and the overflow system 200 in the same manner as the heating device, and is used to maintain a constant viscosity of the polymer solution.
  • the temperature control device 60 of the present invention includes a sensor for measuring the concentration and thus a temperature control controller (not shown) for controlling the temperature.
  • the sensor is installed in the main storage tank 210, the intermediate tank 220, the regeneration tank 230, the nozzle block 110 or the overflow system 200, and the like to measure the concentration of the spinning solution in real time to adjust the temperature Operate the heating and / or cooling device at 60 to keep the viscosity constant.
  • the concentration of the polymer solution re-supplied through the overflow system 200 of the present invention is 20 to 40%, which is a higher concentration of solution than the concentration of 10 to 18% of the polymer solution used in conventional electrospinning.
  • the temperature of the polymer solution according to the concentration of the polymer solution is characterized in that it is adjusted to 45 to 120 °C, not room temperature, more preferably 50 To 100 ° C.
  • the polymer solution of the present invention preferably has a viscosity of 1,000 to 5,000 cps, more preferably 1,000 to 3,000 cps. If the viscosity is 1,000 cps or less, the quality of the nanofibers laminated by electrospinning is poor, and if the viscosity is 3,000 cps or more, the discharge of the polymer solution from the nozzle 42 is not easy during electrospinning, and thus the production speed is slowed.
  • the present invention as the electrospinning proceeds, the viscosity of the polymer solution is constant, so that it is excellent in the easiness of spinning during electrospinning and the concentration of the polymer solution is increased, thereby increasing productivity by increasing the amount of solids excluding the solvent in the nanofibers concentrated on the collector. This has the effect of increasing.
  • the amount of the remaining solvent of the nanofibers using the electrospinning is less than when using the conventional electrospinning it can be produced a nanofiber of excellent quality.
  • the temperature control device 60 of the present invention to control the viscosity of the polymer solution through the temperature control of the nozzle block 110 or the main storage tank 210 by measuring the concentration of the intermediate tank 220 in the offline phase. At the same time, it is possible to control the temperature of the solution according to the concentration measurement through the automatic control system on-line as well as possible.
  • the auxiliary feeder for adjusting the feed rate of the long sheet 15 drawn and fed into each unit 10a, 10b of the electrospinning apparatus 1 according to the present invention ( 16).
  • the auxiliary conveying device 16 is adapted to the conveying speed of the long sheet 15 so as to easily detach and convey the long sheet 15 attached to the collector 13 installed in each unit 10a or 10b by electrostatic attraction. It is configured to include a secondary belt 16a for synchronously rotating and the secondary belt roller 16b for supporting and rotating the secondary belt 16a.
  • the auxiliary belt 16a is rotated by the rotation of the auxiliary belt roller 16b by the structure as described above, and the long seat 15 is moved to the units 10a, 10b by the rotation of the auxiliary belt 16a.
  • the auxiliary belt roller 16b of one of the auxiliary belt rollers 16b is rotatably connected to the motor for drawing and supplying.
  • the auxiliary belt 16a is provided with five auxiliary belt rollers 16b, and the auxiliary belt 16a is rotated by rotating one of the auxiliary belt rollers 16b by the operation of the motor. At the same time, the remaining auxiliary belt roller 16b is rotated, but at least two auxiliary belt rollers 16b are provided on the auxiliary belt 16a, and any one of the auxiliary belt rollers 16b is rotated by the operation of the motor. Accordingly, the auxiliary belt 16a and the remaining auxiliary belt roller 16b may be rotated.
  • the auxiliary conveying device 16 is composed of an auxiliary belt roller 16b and an auxiliary belt 16a which can be driven by a motor, as shown in Figure 12, the auxiliary belt It is also possible for the roller 16b to consist of a roller with a low coefficient of friction.
  • the auxiliary belt roller 16b is preferably made of a roller including a low friction coefficient bearing.
  • the auxiliary conveying device 16 is composed of the auxiliary belt 16a and the auxiliary belt roller 16b having a low coefficient of friction, only the roller having a low coefficient of friction excluding the auxiliary belt 16a is provided. It is also possible to be made to convey the long sheet (15).
  • a roller having a low friction coefficient is applied as the auxiliary belt roller 16b, but a roller having a low friction coefficient is not limited to its shape and configuration, and may include rolling bearings, oil bearings, ball bearings, Rollers including bearings such as roller bearings, sliding bearings, sleeve bearings, hydraulic journal bearings, hydrostatic journal bearings, pneumatic bearings, pneumatic bearings, pneumatic bearings and air bearings can be applied, and plastics, emulsifiers, etc. It is also possible to apply a roller that reduces the coefficient of friction by including the material and additives.
  • the thickness measuring device 70 is provided in the electrospinning apparatus 1 according to the present invention.
  • the thickness measuring device 70 is provided between each unit (10a, 10b) of the electrospinning apparatus 1, the two measured by the thickness measuring device 70
  • the feed rate V and the nozzle block 11 are controlled according to the thickness.
  • the transfer speed V of the next unit 10b is measured.
  • the thickness can be increased by increasing the discharge amount of the nozzle block 11 or increasing the discharge amount of the nanofibers per unit area by adjusting the voltage intensity of the voltage generators 14a and 14b.
  • the feed rate V of the next unit 10b is increased or the nozzle block is made faster.
  • the thickness measuring device 9 is disposed to face up and down, with the long sheet 15 being introduced and supplied therebetween, and the distance to the top or bottom of the long sheet 15 by an ultrasonic measuring method. It is provided with a thickness measuring section made of a pair of ultrasonic longitudinal wave measuring method.
  • the thickness of the long sheet 15 may be calculated based on the distance measured by the pair of ultrasonic measuring devices. That is, by projecting the ultrasonic longitudinal wave and the transverse wave together on the long sheet 15 in which the filters are stacked, the time when each ultrasonic signal of the longitudinal wave and the transverse wave reciprocates in the long sheet 15, that is, the propagation time of the longitudinal wave and the transverse wave, is measured. Thereafter, the measured object using the measured propagation time of the longitudinal wave and the transverse wave, and the propagation speed of the longitudinal wave and the transverse wave, and the temperature constant of the longitudinal wave and the transverse wave propagation speed at the reference temperature of the long sheet 15 on which the filters are stacked. It is a thickness measuring device that uses ultrasonic longitudinal and transverse waves to calculate the thickness of the beam.
  • the thickness measuring device 70 measures the propagation time of the longitudinal wave and the transverse wave of the ultrasonic wave, and then measures the propagation time of the measured longitudinal wave and the transverse wave and the longitudinal wave and the transverse wave at the reference temperature of the long sheet 15.
  • the thickness measuring device 70 measures the propagation time of the longitudinal wave and the transverse wave of the ultrasonic wave, and then measures the propagation time of the measured longitudinal wave and the transverse wave and the longitudinal wave and the transverse wave at the reference temperature of the long sheet 15.
  • the feed rate and nozzle block 11 of the long sheet 15 by measuring the thickness of the filter of the long sheet 15 to be transported after the polymer spinning solution is injected and laminated to the electrospinning apparatus 1 according to the present invention
  • the thickness measuring device 70 is provided to control the elongated sheet feeding speed adjusting device 30 for adjusting the feeding speed of the long sheet 15 in the electrospinning apparatus 1.
  • the long sheet conveying speed adjusting device 30 is provided on the buffer section 31 and the buffer section 31 formed between each unit (10a, 10b) of the electrospinning device 1 is a long sheet It comprises a pair of support rollers (33, 33 ') for supporting the (15) and an adjusting roller 35 provided between the pair of support rollers (33, 33').
  • the support rollers 33 and 33 ' are long sheet sheets for transporting the long sheet 15 in which the filters are laminated by the spinning solution sprayed by the nozzles 12 in the units 10a and 10b. It is for supporting the conveyance of 15), and is provided at the line and the rear end of the buffer section 31 formed between the units 10a and 10b, respectively.
  • the adjustment roller 35 is provided between the pair of support rollers (33, 33 '), the elongated sheet (15) is wound, by the up and down movement of the adjustment roller 35 The feed speed and travel time of the long sheets 15a and 15b for each unit 10a and 10b are adjusted.
  • a sensing sensor (not shown) is provided for detecting a feed speed of the long sheets 15a and 15b in each of the units 10a and 10b, and in each unit 10a and 10b detected by the sensing sensor.
  • the main control unit 7 for controlling the movement of the adjustment roller 35 in accordance with the feed speed of the long sheet (15a, 15b) is provided.
  • the sensing speed of the long sheet (15a, 15b) in each of the units (10a, 10b), and the controller according to the feed rate of the detected long sheet (15a, 15b) control roller ( 35 is configured to control the movement, but the auxiliary belt 16a or the auxiliary belt for driving the auxiliary belt 16a provided on the outside of the collector 13 to transfer the long sheet (15a, 15b).
  • the driving speed of the roller 16b or the motor may be sensed, and accordingly, the controller may be configured to control the movement of the adjustment roller 35.
  • the long sheet in the unit 10b in which the feed rate of the long sheet 15a in the unit 10a in which the sensing sensor is positioned at the front end of each unit 10a or 10b is located in the rear end thereof.
  • the pair of long sheets 15a to be transported in the unit 10a positioned at the distal end may be prevented from sagging.
  • the tip of the long sheet 15a which is conveyed to the outside of the unit 10a positioned at the front end and is excessively transferred to the buffer section 31 positioned between the units 10a and 10b, is pulled out by Of the long sheet 15a in the unit 10a located at
  • the long sheet 15a is prevented from sagging and wrinkled while being corrected and controlled so that the feeding speed of the long sheet 15b in the unit 10b positioned at the same is the same.
  • the feed rate of the long sheet 15b in the unit 10b in which the sensing speed of the built-in chuck sheet 15a of the unit 10a positioned at the front end of each of the units 10a and 10b is located at the rear end thereof If it is detected that the slower, as shown in Figs. 15 to 16, the pair of support rollers 33 to prevent the long sheet 15b to be transported in the unit 10b located at the rear end thereof is torn. , 33 '), which is conveyed to the unit 10b positioned at the rear end of the unit 10a positioned at the front end while moving the adjusting roller 35 on which the long sheet 15 is wound upward.
  • the long sheet 15a which is transported to the outside of the unit 10a positioned at the tip of the sheet 15 and is wound by the adjusting roller 35, in the buffer section 31 positioned between each unit 10a, 10b.
  • the air permeability measuring device 80 is provided in the electrospinning apparatus 1 according to the present invention.
  • the air permeability measuring device for measuring the air permeability of the filter manufactured through the electrospinning device 1 in the rear of the unit (10d) located at the rear end of each unit (10a, 10b) of the electrospinning device (1) 80 is provided.
  • the air permeability of the long sheet 15 and the nozzle block 11 are controlled based on the air permeability of the filter measured by the measuring device 80.
  • the feed rate V of the unit 10b located at the rear end is slowed, or By increasing the discharge amount of the nozzle block 11, and controlling the intensity of the voltage of the voltage generating device (14a, 14b) to increase the discharge amount of the nanofiber per unit area to form a small ventilation.
  • the feed rate V of the unit 10b located at the rear end is increased or the nozzle is increased.
  • the feed rate V is not changed from the initial value, and if the deviation P is greater than or equal to the predetermined value, the feed rate V is initialized. Since it is also possible to control to change from a value, it becomes possible to simplify control of the feed rate V by the feed rate V control apparatus.
  • the discharge amount and the intensity of the voltage of the nozzle block 11 can be adjusted in addition to the control of the feed rate V.
  • the discharge amount and the intensity of the voltage of the nozzle block 11 are controlled. Is not changed from the initial value, and when the deviation amount P is equal to or greater than a predetermined value, the discharge amount and voltage of the nozzle block 11 are controlled to change the intensity of the discharge amount and voltage of the nozzle block 11 from the initial value.
  • the control of the intensity of the simplification can be simplified.
  • the electrospinning apparatus (1) is provided with a main control device (7), the main control device (7) is a nozzle block 11, voltage generators (14a, 14b) and thickness measuring device (70) and The long sheet feed rate adjusting device 30 and the ventilation device also controls the measuring device 80.
  • the elongated sheet 15 uses a substrate selected from cellulose, a bicomponent system, and polyterephthalate.
  • Cellulose base material used in the present invention is preferably composed of 100% cellulose composition ratio, cellulose and polyethylene terephthalate (PET) relative to the total mass of cellulose consisting of 70 ⁇ 90: 10 ⁇ 30 mass% ratio It is also possible to use a base material, and to use the thing by which the cellulose base material was flame-resistant coated.
  • PET polyethylene terephthalate
  • the bicomponent substrate may be selected from a sheath-core, a side by side, and a C-type.
  • the laminating device 90 for laminating the electromembrane nanomembrane through each unit (10a, 10b) of the electrospinning apparatus 1 is located in the rear end of the unit (10a, 10b) ) Is provided at the rear, and performs the post-process of the filter electrospun through the electrospinning apparatus (1) by the laminating device (90).
  • the present invention may include an adhesive layer on the nanofiber layer.
  • FIG. 17 is a side view schematically showing an electrospinning apparatus for manufacturing a filter including an adhesive layer
  • FIG. 18 schematically shows a nozzle block installed in an adhesive (low melting point polymer) unit of an electrospinning apparatus according to the present invention
  • 19 is a plan view schematically showing a nozzle block installed in an adhesive (low melting point polymer) unit of the electrospinning apparatus according to the present invention
  • FIGS. 20 to 21 are shown in each unit of the electrospinning apparatus according to the present invention.
  • the electrospinning apparatus 1 is composed of a bottom-up electrospinning apparatus, at least one unit (10a, 10b, 10c, 10d, 10e) is provided at a predetermined interval spaced sequentially Through each unit (10a, 10b, 10c, 10d, 10e), the polymer spinning solution of the same material or other materials of the same material in the upper direction individually or electrospinning the polymer spinning solution of different materials to the electrospinning filter Manufacture.
  • the electrospinning apparatus 1 is composed of a bottom-up electrospinning apparatus, but may be made of a top-down electrospinning apparatus (not shown).
  • the electrospinning apparatus 1 in one embodiment, five units (10a, 10b, 10c, 10d, 10e) of the electrospinning apparatus 1 is provided, but the unit (10a, 10b, 10c, 10d, 10e) of the The number is preferably provided with two or more, but is not limited thereto.
  • each unit (10a, 10b, 10c, 10d, 10e) of the electrospinning apparatus 1 is a solution main tank (8) and the respective solutions in which an adhesive (low melting point polymer) or a polymer spinning solution is filled therein.
  • Metering pump (not shown) for quantitatively supplying the adhesive (low melting point polymer) or polymer spinning solution filled in the main tank 8 and the adhesive (low melting point polymer) or polymer filled in each of the solution main tanks 8 Spray the spinning solution, the nozzle block 11 in which a plurality of nozzles (12) in the form of pins are arranged and the nozzle (11) to accumulate the adhesive (low melting point polymer) or polymer spinning solution sprayed from the nozzle 12 ( 12) and a collector 13 spaced at a predetermined interval, and a voltage generator (14a, 14b, 14c, 14d, 14e) for generating a voltage to the collector (13).
  • the adhesive (low melting point polymer) or polymer spinning solution filled in each solution main tank 8 is continuously connected to the nozzle block 11 through a metering pump.
  • the adhesive (low melting polymer) or the polymer spinning solution supplied to the nozzle block 11 is injected and focused on the collector 13 under high voltage through a plurality of nozzles 12. Nanofibers and adhesives (low melting point polymers) are laminated on the collector 13 to produce a filter.
  • each unit (10a, 10b, 10c, 10d, 10e) of the electrospinning device 1 is made of a spinning solution unit (10a, 10c, 10e) and adhesive (low melting point polymer) (10b, 10d),
  • the polymer spinning solution is injected from the nozzle block 11a in the spinning solution units 10a, 10c, and 10e located at the front end, and the nozzle block 11b in the adhesive (low melting polymer) units 10b and 10d located at the rear end thereof.
  • the spinning solution unit 10a, 10c, 10e and the adhesive (low melting point polymer) units 10b, 10d are alternately provided in the electrospinning apparatus 1, respectively, such that the adhesive (low melting point polymer) is electrospun.
  • the spinning solution and the adhesive (low melting point polymer) are alternately sprayed on (13).
  • the nozzle block 11a in the middle use liquid unit 10a, 10c, 10e of the nozzle block 11 installed in each of the units 10a, 10b, 10c, 10d, and 10e includes a solution main tank filled with a spinning solution ( 8, the nozzle block 11b in the adhesive (low melting polymer) units 10b, 10d is connected to a solution main tank 8 filled with the adhesive (low melting polymer).
  • each nozzle block 11 installed in each of the units 10a, 10b, 10c, 10d, and 10e is individually connected to the corresponding number of solution main tanks 8 to form an adhesive (low Melting point polymer) or a polymer spinning solution is supplied, but the spinning solution units 10b, 10d, and 10e of the units 10a, 10b, 10c, 10d, and 10e are supplied to one solution main tank 8. It is also possible to be configured to be connected to supply the polymer spinning solution, the adhesive (low melting point polymer) units (10a, 10c) is also connected to one solution main tank (8) to receive the adhesive (low melting point polymer).
  • the nozzle 12 in a partial form in a specific region of the nozzle block (11a) installed in the adhesive (low melting point polymer) unit (10b, 10d, 10e) of each of the units (10a, 10b, 10c, 10d, 10e).
  • the nozzle 12, which is installed in this arrangement and installed in a partial form in a specific area of the nozzle block 11a, is connected to a solution main tank 8 filled with an adhesive (low melting point polymer) to form an adhesive (low melting point polymer).
  • the supplied adhesive (low melting point polymer) is sprayed onto the first nanofiber layer.
  • the adhesive in the form and region of the specific region and the specific portion of the first nanofibrous layer and the second nanofiber layer (Low melting point polymer) is injected.
  • the adhesive (low melting polymer) units 10b and 10d are anisotropically used liquid units 10a and 10c.
  • the nozzle block 11a is provided with a nozzle tube 40 in which a plurality of nozzles 12 are arranged in the longitudinal direction, and each nozzle tube 40 is
  • each nozzle 12 is branched into a plurality of supply pipes (not shown), each of the supply pipes are individually by a valve (not shown) It is made to be opened and closed respectively, and the specific region and the specific portion of the first nanofibrous layer and the second nanofiber layer by spraying an adhesive (low melting point polymer) only in the nozzle 12 provided in a partial form in a specific region by adjusting the respective valves. It is also possible to spray the adhesive (low melting point polymer) in the form of regions and parts.
  • each nozzle pipe (40) arranged in the nozzle block (11a) is connected to the solution main tank (8) filled with an adhesive (low melting point polymer) through a supply pipe and a valve, respectively, each nozzle pipe ( A plurality of nozzles 12 provided in the 40 is connected to the nozzle pipe 40, each of which is addressed to each of the plurality of supply pipes branched and controlled by each valve to control the adhesive (low melting point polymer) in the form of a specific nozzle only area and part ) Is sprayed.
  • the adhesive (low melting point polymer) unit (10b, 10d) is made of the same structure as the spinning solution unit (10a, 10c, 10e), the nozzle tube (40) and the nozzle tube (40) of the nozzle block (11a) Nozzle (12) provided in each of the) is individually controlled to control and control the injection position of the adhesive (low melting point polymer) on the first nanofiber layer, the shape and shape of the spraying area of the adhesive (low melting point polymer), etc.
  • various adjustments and controls such as spraying sequence of adhesive (low melting point polymer) and polymer spinning solution are possible.
  • an adhesive low melting point polymer
  • the injected adhesive minimizes interference of the polymer spinning solution electrospun, thereby It can improve performance and quality.
  • nozzles 12 are arranged in a partial form at specific edges of each of the nozzle blocks 11a, the nozzles 12 are arranged in the nozzle block 11a.
  • the area, shape, and position of) are not limited thereto.
  • the valve is provided in each of the supply pipe of the plurality of nozzles 12 arranged in a partial form in a particular region of the nozzle block (11a), the nozzle 12 is provided in a partial form in a specific region by the valve It is also possible for the nozzle to be individually controlled to spray the adhesive (low melting point polymer) to the substrate 15 in a specific region and partial form while forming another shape and shape.
  • the front of the unit (10a) located at the top of each unit (10a, 10b, 10c, 10d, 10e) of the electrospinning apparatus 1 is supplied into the unit (10a) and the adhesive (low melting point polymer) and
  • a feed roller 3 is provided for supplying the substrate 15 on which nanofibers are alternately sprayed by the electrospinning of the polymer spinning solution, and located at the rear end of each unit 10a, 10b, 10c, 10d, 10e.
  • a winding roller 5 for winding the substrate 15 on which the adhesive (low melting point polymer) and the nanofibers are laminated is provided.
  • each unit 10a, 10b, 10c, 10d, 10e of the electrospinning apparatus 1 the substrate 15 introduced and fed through the feed roller 3 is transferred to the take-up roller 5 side. It is configured to further include an auxiliary feeder 16 for adjusting the feed rate of the substrate 15 at the same time.
  • the electrospinning apparatus 1 is provided with a main control device 7, the main control device is a nozzle block 11 installed in each unit (10a, 10b, 10c, 10d, 10e), auxiliary transport device 16 and the voltage generators 14a, 14b, 14c, 14d, 14e, and at the same time are connected to the thickness measuring device 70, the substrate feed rate adjusting device 30 and the air permeability measuring device 80, which will be described later To control this.
  • a laminating apparatus 90 for laminating nanofibers electrospun on the substrate 15 through each unit 10a, 10b, 10c, 10d, 10e of the electrospinning apparatus 1 includes the respective units ( It is provided at the rear of the unit (10e) located at the end of the 10a, 10b, 10c, 10d, 10e, the post-process of the filter electrospun through the electrospinning device (1) by the laminating device (90) Perform.
  • the substrate 15 through which the polymer spinning solution is electrospun and the nanofibers are laminated while passing through the units 10a, 10b, 10c, 10d, and 10e of the electrospinning apparatus 1 is a release paper film. It is preferable to spin the polymer spinning solution on the collector 13 without the substrate 15.
  • the polymer spinning solution radiated through each unit 10a, 10b, 10c, 10d, 10e of the electrospinning apparatus 1 is the same as described above.
  • the polymer used as the adhesive is not particularly limited, but is preferably at least one selected from the group consisting of low melting point polyurethanes, low melting point polyesters and low melting point polyvinylidene fluorides.
  • the low melting point polyvinylidene fluoride (PVDF) used in the present invention has a melting point of 80 to 160 °C.
  • PVDF polyvinylidene fluoride
  • PVDF polyvinylidene fluoride
  • comonomer is tetrafluoroethylene (TFE), trifluoroethylene, hexafluoroisobutylene, perfluorobutyl ethylene, perfluoro, in addition to hexafluoropropylene (HFP) or chlorotrifluoroethylene (CTFE).
  • TFE tetrafluoroethylene
  • HFP hexafluoroisobutylene
  • CFE chlorotrifluoroethylene
  • Low profile vinyl ether PPVE
  • perfluoro ethyl vinyl ether PEVE
  • perfluoro methyl vinyl ether PMVE
  • perfluoro-2,2-dimethyl-1,3-dioxol PPD
  • perfluor Rho-2-methylene-4-methyl-1,3-dioxolane PMD
  • HFP hexafluoropropylene
  • CTFE chlorotrifluoroethylene
  • the melting point of the polymer can be controlled by adjusting the weight average molecular weight due to the characteristics of the polymer.
  • the weight average molecular weight of the polyvinylidene fluoride (PVDF) polymer having a melting point of 80 to 160 ° C is 3,000 to 30,000. It is desirable to adjust. If the weight average molecular weight exceeds 30,000, the melting point exceeds 160 °C, if less than 3,000 melting point is less than 80 °C bar efficiency of electrospinning is inferior.
  • terephthalic acid isophthalic acid and mixtures thereof as the low melting polyester.
  • ethylene glycol may be added as a diol component.
  • the low melting point polyurethane uses a mixture of a polymerization degree polyurethane having a softening temperature of 80-100 ° C. and a high polymerization degree polyurethane having a softening temperature of 140 ° C. or higher.
  • the low melting point polyvinylidene fluoride, the low melting point polyester, and the low melting point polyurethane can be used alone or in combination of two or more.
  • the polymer spinning solution supplied through the nozzle 12 in the units 10a and 10c positioned at the front end of each of the units 10a, 10b, 10c, 10d, and 10e may be a polymer having a synthetic resin material capable of electrospinning.
  • the kind of solvent is not limited as long as it can dissolve the polymer, and is the same as described above.
  • the overflow device 200 is provided in the electrospinning apparatus 1. That is, each of the units 10a, 10b, 10c, 10d, and 10e of the electrospinning apparatus 1 is intermediate with each of the solution main tank 8, the second transfer pipe 216, and the second transfer control device 218.
  • the overflow device 200 which consists of the structure containing the tank 220 and the regeneration tank 230 is provided, respectively.
  • each of the units 10a, 10b, 10c, 10d, 10e of the electrospinning apparatus 1 is provided with an overflow device 200, but each of the units (10a, 10b, 10c) , 10d, 10e, any one unit (10a) is provided with an overflow device 200, the remaining unit (10b, 10c, 10d, 10e) is formed in a structure that is integrally connected to the overflow device 200 It is also possible, and the overflow device 200 is applied to the adhesive (low melting point polymer) units 10b, 10d, and 10e that spray the adhesive (low melting point polymer) among the units 10a, 10b, 10c, 10d, and 10e.
  • the overflow apparatus 200 may be provided respectively in the spinning solution units 10a and 10c respectively provided or electrospinning the polymer spinning solution.
  • the overflow device 200 is provided in any one unit 10b to which an adhesive (low melting point polymer) is injected among the units 10a, 10b, 10c, 10d, and 10e of the electrospinning apparatus 1, One of the units 10d and 10e is integrally connected to the overflow device 200, or a polymer spinning solution is electrospun among the units 10a, 10b, 10c, 10d, and 10e to form nanofibers.
  • the overflow device 200 may be provided in one unit 10a that is stacked, and the other unit 10c may be integrally connected to the overflow device 200.
  • the solution main tank 8 provided in the heavy adhesive (low melting polymer) unit 10b, 10d, 10e of each unit (10a, 10b, 10c, 10d, 10e) is an adhesive ( The low melting point polymer) stores, and the solution main tank 8 provided in the spinning solution units 10a and 10c stores the polymer spinning solution serving as a raw material of the nanofibers.
  • a separate stirring device 211 for preventing separation and coagulation of the adhesive (low melting point polymer) and the polymer spinning solution is provided therein.
  • the second transfer pipe 216 includes a pipe (not shown) and valves 212, 213, and 214 connected to the solution main tank 8 or the regeneration tank 230. (Low melting point polymer) or a solution in which the polymer spinning solution is filled is transferred from the main tank 8 or the regeneration tank 230 to the intermediate tank 220 with an adhesive (low melting point polymer) or polymer spinning solution.
  • a pipe not shown
  • valves 212, 213, and 214 connected to the solution main tank 8 or the regeneration tank 230.
  • a solution in which the polymer spinning solution is filled is transferred from the main tank 8 or the regeneration tank 230 to the intermediate tank 220 with an adhesive (low melting point polymer) or polymer spinning solution.
  • the second transfer control device 218 controls the transfer operation of the second transfer pipe 216 by controlling the valve (212, 213, 214) of the second transfer pipe 216.
  • the valve 212 controls the transfer of the adhesive (low melting point polymer) or polymer spinning solution from the solution main tank (8) filled with adhesive (low melting point polymer) or polymer spinning solution
  • the valve 213 controls the transfer of adhesive (low melting point polymer) or polymer spinning solution from the regeneration tank 230 to the intermediate tank 220
  • the valve 214 is a solution main tank 8 and the regeneration tank ( The amount of the adhesive (low melting point polymer) or the polymer spinning solution introduced into the intermediate tank 220 is controlled at 230.
  • the height is controlled.
  • the intermediate tank 220 stores the adhesive (low melting polymer) or the polymer spinning solution supplied from the solution main tank 8 or the regeneration tank 230 filled with the adhesive (low melting polymer) or the polymer spinning solution separately.
  • the adhesive (low melting point) is formed by the nozzle block 11a provided in the adhesive (low melting point polymer) units 10a and 10c and the nozzle block 11b provided in the spinning solution units 10a and 10c.
  • the second sensor 222 for supplying the polymer and the polymer spinning solution, and for measuring the liquid level of the supplied adhesive (low melting point polymer) and the polymer spinning solution is provided.
  • the second sensor 222 is preferably made of a sensor capable of measuring the liquid level of the adhesive (low melting point polymer) or the polymer spinning solution such as an optical sensor or an infrared sensor, but is not limited thereto.
  • a supply pipe 240 and a supply control valve 242 for supplying an adhesive (low melting point polymer) or a polymer spinning solution to the nozzle block 11 are respectively provided below the intermediate tank 220.
  • the control valve 242 controls the supply operation of the adhesive (low melting point polymer) or the polymer spinning solution through the supply pipe 240.
  • the regeneration tank 230 separately stores the adhesive (low melting point polymer) or polymer spinning solution recovered by overflow, and agitating device for preventing separation and solidification of the adhesive (low melting point polymer) or polymer spinning solution ( 231 is provided therein.
  • the first sensor 232 is preferably made of a sensor capable of measuring the liquid level of the adhesive (low melting point polymer) or the polymer spinning solution such as an optical sensor or an infrared sensor, but is not limited thereto.
  • the adhesive (low melting point polymer) or the polymer spinning solution overflowed from the nozzle block 11 is separately recovered through the solution recovery path 250 provided at the lower part of the nozzle block 11, and the solution recovery is performed.
  • the path 250 recovers the polymer spinning solution in the regeneration tank 230 through the first transfer pipe 251.
  • the first transfer pipe 251 is configured to include a pipe (not shown) and a pump (not shown) connected to the regeneration tank 230, the adhesive (low melting point polymer) and the power of the pump and The polymer spinning solution is transferred from the solution recovery path 250 to the regeneration tank 230.
  • the regeneration tank 230 is provided with at least one.
  • the first sensor 232 and the valve 233 are provided in plural numbers. It is desirable to be.
  • the regeneration tank 230 when the regeneration tank 230 is provided with two, the number of valves 233 located above the regeneration tank 230 is also provided in the corresponding number, thereby the first transfer control device (not shown) The adhesive (low-melting polymer) or by controlling the two or more valves 233 located on the upper side in accordance with the liquid level of the first sensor 232 provided in the regeneration tank 230 or
  • the electrospinning apparatus 1 is an auxiliary transport device 16, a moving speed adjusting device 30, a temperature control device 60, a thickness measuring device 70, air permeability measuring device 80, VOC recycling device ( 300, etc., wherein the auxiliary feeder, moving speed adjusting device, temperature adjusting device, thickness measuring device, air permeability measuring device, and VOC recycling device are the same as described above.
  • the case 18 which comprises each unit of the said electrospinning apparatus 1 is also the same as that mentioned above.
  • the first spinning solution is supplied to the spinning solution main tank 8 connected to the first unit 10a of the electrospinning apparatus, and the second spinning solution is connected to the second unit 10b of the electrospinning apparatus.
  • a plurality of nozzle block 11 of the nozzle block 11 is supplied to the tank (8), and the first and second spinning liquid supplied to the spinning solution main tank (8) is provided with a high voltage through a metering pump (not shown).
  • the nozzle 12 is continuously metered in.
  • the first and second spinning solutions supplied from the nozzles 12 are electrospun and focused on the collector 13 subjected to the high voltage through the nozzles 12, and the first nanofibrous layer and the second spinning solution are concentrated.
  • the nanofiber layer is laminated.
  • the nanofibers stacked in the units 10a and 10b of the electrospinning apparatus 1 are rotated by the supply roller 3 and the supply roller 3 which are operated by driving of a motor (not shown).
  • the first nanofibrous layer and the second nanofiber layer on the collector 13 are transferred from the first unit 10a to the second unit 10b by the rotation of the auxiliary feeder 16 to be driven, and the above process is repeated. This is successively electrospun and laminated.
  • the first nanofibrous layer is formed in the first unit 10a by varying the spinning conditions for each unit 10a, 10b of the electrospinning apparatus.
  • the stack is formed, and the second nanofibrous layer is continuously stacked in the second unit 10b.
  • the voltage generator 14a which is installed in the first unit 10a of the electrospinning apparatus 1 and supplies voltage to the first unit 10a, provides a low radiation voltage and collects the first nanofiber layer as the collector 13. And a voltage generator 14b installed in the second unit 10b to supply a voltage to the second unit 10b to give a high radiation voltage so that the second nanofiber layer is formed on the first nanofiber layer.
  • the radiation voltage applied by each of the voltage generators 14a and 14b is 1 kV or more, preferably 15 kV or more, and the voltage applied by the voltage generator 14a of the first unit 10a is the second unit 10b. It is characterized in that the lower than the voltage applied by the voltage generator 14b, but is not limited thereto.
  • the voltage of the first unit 10a of the electrospinning apparatus 1 is lowered to stack the first nanofiber layer on the collector, and the voltage of the second unit 10b is applied to the second nanofiber layer.
  • the filter is manufactured by stacking the particles.
  • the first nanofiber layer is spun and stacked in the first unit 10a and the second nanofiber layer is spun in the second unit 10b by varying the intensity of the voltage.
  • the number of units of the electrospinning apparatus 1 is composed of three or more, and the voltage is different for each unit so that at least three first nanofiber layers or second nanofiber layers having different fiber diameters are arranged on the collector 13. It will also be possible to produce laminated filters.
  • the first polymer solution is electrospun on the collector 13 in the first unit 10a to form a first nanofiber layer, and in the second unit 10b, a second nanofiber layer is formed on the first nanofiber layer.
  • the polymer solution is electrospun and the second nanofibrous layer is laminated, it is possible to manufacture the filter of the present invention through a process of heat fusion.
  • the first polymer solution used in accordance with a suitable embodiment of the present invention is characterized in that the one selected from the group consisting of polyethersulfone, polyacrylonitrile, polyvinyl alcohol, polyamide and hydrophilic polyurethane,
  • the second polymer solution is one selected from the group consisting of polyvinylidene fluoride, low melting polyester and hydrophobic polyurethane.
  • the first polymer solution used according to another suitable embodiment of the present invention is a heat resistant polymer
  • the second polymer solution is polyacrylonitrile, polyvinyl alcohol, polyamide, hydrophilic polyurethane, polyvinylidene fluoride , Low melting point polyester and hydrophobic polyurethane is characterized in that one selected from the group consisting of.
  • the low-polymerization polyurethane was dissolved in DMAc (N, N-dimethylaceticamide) solvent to 25% by weight to prepare a low-melting polymer solution, and charged into the main tank of the low-melting polymer unit (10a, 10c) of the electrospinning apparatus,
  • the low melting polymer solution supplied to the main tank 8 is continuously metered into the plurality of nozzles 12 of the nozzle block 11 to which a high voltage is applied through a metering pump (not shown).
  • the low melting polymer solution supplied from each of the nozzles 12 forms an adhesive layer having a basis weight of about 0.1 g / m 2 while being electrospun and focused on a substrate positioned on the collector 13 under high voltage through the nozzles 12.
  • the polymer spinning solution in which polyacrylonitrile was dissolved in a DMF solvent was supplied to the main tank 8 connected to the spinning solution unit 10b of the electrospinning apparatus, and the polymer spinning solution in which hydrophobic polyurethane was dissolved in DMAc solvent was released.
  • the main tank 8 is connected to the working liquid unit 10d.
  • the polyacrylonitrile solution supplied to the main tank 8 connected to the spinning solution unit 10b is electrospun through a nozzle block 11 to which a high voltage is applied through a metering pump (not shown). A nanofiber layer is formed.
  • the low melting polymer solution is discharged from the low melting polymer unit 10c through a nozzle to form another adhesive layer on the first nanofiber layer, and is supplied to the main tank 8 connected to the spinning solution unit 10d.
  • the hydrophobic polyurethane solution is electrospun through the nozzle block 11 to form a second nanofiber layer on the another adhesive layer.
  • the substrate is a spinning solution in the low melting polymer unit by the rotation of the feed roller 3 and the auxiliary feeder 16 driven by the rotation of the feed roller 3 is driven by the drive of a motor (not shown)
  • the mask pack is manufactured by electrospinning the first and second nanofiber layers on the substrate while being transferred to the unit and repeating the above process.
  • a mask pack was prepared in the same manner as in Example 1 without forming an adhesive layer.
  • a mask pack was prepared in the same manner as in Example 1, using hydrophilic polyvinylidene fluoride, polyacrylonitrile (PAN), hydrophilic polyurethane (PU), and polyvinyl alcohol (PVA) as a polymer spinning solution.
  • PAN polyacrylonitrile
  • PU hydrophilic polyurethane
  • PVA polyvinyl alcohol
  • the prepared mask pack was impregnated with the skin active ingredient shown in Table 3 by weight%.
  • the low-polymerization polyurethane was dissolved in DMAc (N, N-dimethylaceticamide) solvent to 25% by weight to prepare a low-melting polymer solution, and charged into the main tank of the low-melting polymer unit (10a, 10c) of the electrospinning apparatus,
  • the low melting polymer solution supplied to the main tank 8 is continuously metered into the plurality of nozzles 12 of the nozzle block 11 to which a high voltage is applied through a metering pump (not shown).
  • the low melting polymer solution supplied from each of the nozzles 12 forms an adhesive layer having a basis weight of about 0.1 g / m 2 while being electrospun and focused on a substrate positioned on the collector 13 under high voltage through the nozzles 12.
  • a polymer spinning solution in which polyvinyl alcohol is dissolved in a DMF solvent is supplied to a main tank 8 connected to the spinning solution unit 10b of the electrospinning apparatus, and a polymer spinning solution in which a hydrophobic polyurethane is dissolved in a DMAc solvent is used as a spinning solution.
  • the main tank 8 is connected to the unit 10d.
  • the polyvinyl alcohol solution supplied to the main tank 8 connected to the spinning solution unit 10b is electrospun through a nozzle block 11 to which a high voltage is applied through a metering pump (not shown), and thus the first polyvinyl alcohol solution is first sprayed on the adhesive layer.
  • the nanofiber layer is formed.
  • the low melting polymer solution is discharged from the low melting polymer unit 10c through a nozzle to form another adhesive layer on the first nanofiber layer, and is supplied to the main tank 8 connected to the spinning solution unit 10d.
  • the hydrophobic polyurethane solution is electrospun through the nozzle block 11 to form a second nanofiber layer on the another adhesive layer.
  • the substrate is a spinning solution in the low melting polymer unit by the rotation of the feed roller 3 and the auxiliary feeder 16 driven by the rotation of the feed roller 3 is driven by the drive of a motor (not shown)
  • the mask pack is manufactured by electrospinning the first and second nanofiber layers on the substrate while being transferred to the unit and repeating the above process.
  • the mask pack was prepared in the same manner as in Example 1 without forming an adhesive layer.
  • a mask pack was prepared in the same manner as in Example 2, using hydrophilic polyvinylidene fluoride, polyvinyl alcohol (PAN), hydrophilic polyurethane (PU), and polyvinyl alcohol (PVA) as a polymer spinning solution.
  • PAN polyvinyl alcohol
  • PU hydrophilic polyurethane
  • PVA polyvinyl alcohol
  • the prepared mask pack was impregnated with the skin active ingredient shown in Table 7 by weight%.
  • the degree of soothing and moisturizing the skin is 5 points: Very good, 4 points: Slightly good, 3 points: Normal, 2 points: Slightly bad, 1 point : After evaluating on a very poor scale, each average value is shown in Table 8 as a result of skin soothing and moisturizing effect when using the product.
  • the low-polymerization polyurethane was dissolved in DMAc (N, N-dimethylaceticamide) solvent to 25% by weight to prepare a low-melting polymer solution, and was put in the main tanks of the low-melting polymer unit (10a, 10c) of the electrospinning apparatus. Subsequently, polyacrylonitrile and polyvinyl alcohol having a weight average molecular weight (Mw) of 157,000 were dissolved in the same solvent of dimethylacetamide (N, N-Dimethylacetamide, DMAc) to prepare a spinning solution, which was then used as a spinning solution unit (10b, 10d) into the main tank.
  • DMAc N, N-dimethylaceticamide
  • the electrode and the collector were electrospun at a distance of 40 cm, an applied voltage of 20 kV, and 70 ° C. to form an adhesive layer having a basis weight of 0.1 g / m 2 on the polyethylene terephthalate substrate, and then to the electrode in the spinning solution unit 10b.
  • the distance between the collectors was electrospun at 40 cm, an applied voltage of 15 kV, and 70 ° C. to form a first nanofiber layer having a basis weight of 0.5 g / m 2 .
  • the substrate including the substrate and the first nanofibrous layer laminated thereon is rotated so that the upper and lower sides are inverted by 180 °, and then transferred to the low melting polymer unit 10c to transfer the electricity under the same conditions as 10a.
  • Spinning was again performed by electrospinning the distance between the electrode and the collector in the spinning solution unit (10d) at 40cm, applied voltage 25kV, 70 °C to prepare a mask pack by laminating a second nanofiber layer having a basis weight of 0.5g / m 2 .
  • a mask pack was prepared in the same manner as in Example 1 without forming an adhesive layer.
  • the mask pack including the nanofiber layer as in the present invention exhibits better skin adhesion than the conventional nonwoven mask pack.
  • the mask pack was prepared in the same manner as in Example 3, using hydrophilic polyvinylidene fluoride, polyvinyl alcohol (PAN), hydrophilic polyurethane (PU), and polyvinyl alcohol (PVA) as the polymer spinning solution.
  • PAN polyvinyl alcohol
  • PU hydrophilic polyurethane
  • PVA polyvinyl alcohol
  • the prepared mask pack was impregnated with the skin active ingredient shown in Table 11 by weight%.
  • each mean value is shown in Table 12 as a result of skin soothing and moisturizing effects when using the product.
  • the low-polymerization polyurethane was dissolved in DMAc (N, N-dimethylaceticamide) solvent to 25% by weight to prepare a low-melting polymer solution, and was put in the main tanks of the low-melting polymer unit (10a, 10c) of the electrospinning apparatus. Subsequently, polyacrylonitrile and polyvinyl alcohol having a weight average molecular weight (Mw) of 157,000 were dissolved in the same solvent of dimethylacetamide (N, N-Dimethylacetamide, DMAc) to prepare a spinning solution, which was then used as a spinning solution unit (10b, 10d) into the main tank.
  • DMAc N, N-dimethylaceticamide
  • the distance between the electrode and the collector was 40 cm, an applied voltage of 20 kV, and 70 ° C., which was then electrospun to form an adhesive layer having a basis weight of 0.1 g / m 2 on the cellulose substrate, and then between the electrode and the collector in the spinning solution unit 10b.
  • the first nanofibrous layer having a basis weight of 0.5 g / m 2 was formed by laminating a distance at 40 cm, an applied voltage of 15 kV, and 70 ° C.
  • the substrate including the substrate and the first nanofibrous layer laminated thereon is rotated so that the upper and lower sides are inverted by 180 °, and then transferred to the low melting polymer unit 10c to transfer the electricity under the same conditions as 10a.
  • Spinning was again performed by electrospinning the distance between the electrode and the collector in the spinning solution unit (10d) at 40cm, applied voltage 25kV, 70 °C to prepare a mask pack by laminating a second nanofiber layer having a basis weight of 0.5g / m 2 .
  • a mask pack was prepared in the same manner as in Example 4 without forming an adhesive layer.
  • the mask pack was prepared in the same manner as in Example 4, using hydrophilic polyvinylidene fluoride, polyvinyl alcohol (PAN), hydrophilic polyurethane (PU), and polyvinyl alcohol (PVA) as the polymer spinning solution.
  • PAN polyvinyl alcohol
  • PU hydrophilic polyurethane
  • PVA polyvinyl alcohol
  • the prepared mask pack was impregnated with the skin active ingredient shown in Table 15 by weight%.
  • the degree of soothing and moisturizing the skin is 5 points: Very good, 4 points: Slightly good, 3 points: Normal, 2 points: Slightly bad, 1 point : After evaluating on a very poor scale, each average value is shown in Table 16 as a result of skin soothing and moisturizing effect when using the product.
  • the low-polymerization polyurethane was dissolved in DMAc (N, N-dimethylaceticamide) solvent to 25% by weight to prepare a low-melting polymer solution, and was put in the main tanks of the low-melting polymer unit (10a, 10c) of the electrospinning apparatus. Subsequently, a polyacrylonitrile having a weight average molecular weight (Mw) of 157,000 and a polyvinylidene fluoride having a weight average molecular weight of 50,000 were dissolved in the same solvent of dimethylacetamide (N, N-Dimethylacetamide, DMAc) to prepare a spinning solution. These were put into the main tanks of the spinning solution units 10b and 10d, respectively.
  • DMAc dimethylacetamide
  • the electrode and the collector were electrospun at a distance of 40 cm, an applied voltage of 20 kV, and 70 ° C. to form an adhesive layer having a basis weight of 0.1 g / m 2 on the polyethylene terephthalate substrate, and then to the electrode in the spinning solution unit 10b.
  • the distance between the collectors was electrospun at 40 cm, an applied voltage of 15 kV, and 70 ° C. to form a first nanofiber layer (polyacrylonitrile) having a basis weight of 0.5 g / m 2 .
  • the substrate including the substrate and the first nanofibrous layer laminated thereon is rotated so that the upper and lower sides are inverted by 180 °, and then transferred to the low melting polymer unit 10c to transfer the electricity under the same conditions as 10a.
  • a mask pack was prepared in the same manner as in Example 5 without forming an adhesive layer.
  • the mask pack was prepared in the same manner as in Example 5 using hydrophilic polyvinylidene fluoride, polyvinyl alcohol (PAN), hydrophilic polyurethane (PU), and polyvinyl alcohol (PVA) as the polymer spinning solution.
  • PAN polyvinyl alcohol
  • PU hydrophilic polyurethane
  • PVA polyvinyl alcohol
  • the prepared mask pack was impregnated with the skin active ingredient shown in Table 19 by weight%.
  • the degree of soothing and moisturizing the skin is 5 points: Very good, 4 points: Slightly good, 3 points: Normal, 2 points: Slightly bad, 1 point : After evaluating on a very poor scale, each average value is shown in Table 20 as a result of skin soothing and moisturizing effect when using the product.
  • the low-polymerization polyurethane was dissolved in DMAc (N, N-dimethylaceticamide) solvent to 25% by weight to prepare a low-melting polymer solution, and was put in the main tanks of the low-melting polymer unit (10a, 10c) of the electrospinning apparatus. Subsequently, a polyacrylonitrile having a weight average molecular weight (Mw) of 157,000 and a polyvinylidene fluoride having a weight average molecular weight of 50,000 were dissolved in the same solvent of dimethylacetamide (N, N-Dimethylacetamide, DMAc) to prepare a spinning solution. This was put into the main tank of each spinning solution unit 10b, 10d.
  • DMAc N, N-dimethylaceticamide
  • the distance between the electrode and the collector was 40 cm
  • the applied voltage was 20 kV
  • a phosphorous first nanofiber layer (polyacrylonitrile) was formed by lamination.
  • the substrate including the substrate and the first nanofibrous layer laminated thereon is rotated so that the upper and lower sides are inverted by 180 °, and then transferred to the low melting polymer unit 10c to transfer the electricity under the same conditions as 10a.
  • a mask pack was prepared.
  • a mask pack was prepared in the same manner as in Example 6 without forming an adhesive layer.
  • Mask pack samples were applied on the skin surface of five subjects for 30 minutes and the degree of skin adhesion (peel resistance) was evaluated. Conventional mask pack samples without nanofibers were evaluated as controls and the results are shown in Table 22.
  • the mask pack was prepared in the same manner as in Example 6 using hydrophilic polyvinylidene fluoride, polyvinyl alcohol (PAN), hydrophilic polyurethane (PU), and polyvinyl alcohol (PVA) as the polymer spinning solution.
  • PAN polyvinyl alcohol
  • PU hydrophilic polyurethane
  • PVA polyvinyl alcohol
  • the prepared mask pack was impregnated with the skin active ingredient shown in Table 23 by weight%.
  • each mean value is shown in Table 24 as a result of skin soothing and moisturizing effect when using the product.
  • the low-polymerization polyurethane was dissolved in DMAc (N, N-dimethylaceticamide) solvent to 25% by weight to prepare a low-melting polymer solution, and was put in the main tanks of the low-melting polymer unit (10a, 10c) of the electrospinning apparatus. Subsequently, polyvinylidene fluoride having a weight average molecular weight (Mw) of 50,000 was dissolved in the same solvent of dimethylacetamide (N, N-Dimethylacetamide, DMAc) to prepare a spinning solution, which was then prepared in the spinning solution unit (10b, 10d). It was put in the main tank.
  • DMAc N, N-dimethylaceticamide
  • the electrode and the collector were electrospun at 40 cm, an applied voltage of 20 kV, and 70 ° C. to form an adhesive layer having a basis weight of 0.1 g / m 2 on the polyethylene terephthalate substrate, followed by the electrode and collector in the spinning solution unit 10b.
  • the first nanofiber layer was formed by laminating. Then, the substrate including the substrate and the first nanofibrous layer laminated thereon is rotated so that the upper and lower sides are inverted by 180 °, and then transferred to the low melting polymer unit 10c to transfer the electricity under the same conditions as 10a.
  • Spinning was again performed by electrospinning the distance between the electrode and the collector in the spinning solution unit (10d) at 40cm, applied voltage 25kV, 70 °C to prepare a mask pack by laminating a second nanofiber layer having a basis weight of 0.5g / m2.
  • a mask pack was prepared in the same manner as in Example 7, without forming an adhesive layer.
  • the mask pack was prepared in the same manner as in Example 7, using hydrophobic polyvinylidene fluoride, polyvinyl alcohol (PAN), hydrophobic polyurethane (PU), and polyvinyl alcohol (PVA) as a polymer spinning solution.
  • PAN polyvinyl alcohol
  • PU hydrophobic polyurethane
  • PVA polyvinyl alcohol
  • the prepared mask pack was impregnated with the skin active ingredient shown in Table 27 by weight%.
  • each average value is shown in Table 28 as a result of skin soothing and moisturizing effect when using the product.
  • the low melting point polyurethane was dissolved in DMAc (N, N-dimethylaceticamide) solvent to prepare a low melting point polymer solution, which was supplied to the main tank 8 connected to the low melting point polymer units 10a and 10c of the electrospinning apparatus.
  • the low melting polymer solution supplied to the tank 8 is continuously metered into the plurality of nozzles 12 of the nozzle block 11 to which a high voltage is applied through a metering pump (not shown).
  • the low melting polymer solution supplied from the nozzles 12 forms an adhesive layer having a basis weight of about 0.1 g / m 2 while being electrospun and focused on a substrate positioned on the collector 13 under high voltage through the nozzles 12. do.
  • polyvinylidene fluoride having a weight average molecular weight (Mw) of 50,000 was dissolved in the same solvent of dimethylacetamide (N, N-Dimethylacetamide, DMAc) to prepare a spinning solution, which was then prepared in the spinning solution unit (10b, 10d). It was put in the main tank.
  • the distance between the electrode and the collector was 40 cm
  • the applied voltage was 20 kV
  • 70 ° C. which was then electrospun to form an adhesive layer having a basis weight of 0.1 g / m 2 on the cellulose substrate, and then the distance between the electrode and the collector in the spinning solution unit 10b.
  • the first nanofiber layer was formed by laminating. Then, the substrate including the substrate and the first nanofibrous layer laminated thereon is rotated so that the upper and lower sides are inverted by 180 °, and then transferred to the low melting polymer unit 10c to transfer the electricity under the same conditions as 10a. Spinning was again performed by electrospinning the distance between the electrode and the collector in the spinning solution unit (10d) at 40cm, applied voltage 25kV, 70 °C to prepare a mask pack by laminating a second nanofiber layer having a basis weight of 0.5g / m2.
  • a mask pack was prepared in the same manner as in Example 8 without forming an adhesive layer.
  • a mask pack was prepared in the same manner as in Example 8, using polyvinyl alcohol (PAN) and polyvinyl alcohol (PVA) as the polymer spinning solution.
  • PAN polyvinyl alcohol
  • PVA polyvinyl alcohol
  • the prepared mask pack was impregnated with the skin active ingredient shown in Table 31 by weight%.
  • the level of soothing and moisturizing the skin is 5 points: Very good, 4 points: Slightly good, 3 points: Normal, 2 points: Slightly bad, 1 point : After evaluation on a very poor scale, each mean value is shown in Table 32 as a result of skin soothing and moisturizing effects when using the product.
  • the low melting point polyurethane was dissolved in DMAc (N, N-dimethylaceticamide) solvent to prepare a low melting point polymer solution, which was supplied to the main tank 8 connected to the low melting point polymer units 10a and 10c of the electrospinning apparatus.
  • the low melting polymer solution supplied to the tank 8 is continuously metered into the plurality of nozzles 12 of the nozzle block 11 to which a high voltage is applied through a metering pump (not shown).
  • the low melting polymer solution supplied from the nozzles 12 forms an adhesive layer having a basis weight of about 0.1 g / m 2 while being electrospun and focused on a substrate positioned on the collector 13 under high voltage through the nozzles 12. do.
  • a polymer spinning solution in which polyurethane was dissolved in a DMF solvent was supplied to a main tank 8 connected to the spinning solution unit 10b of the electrospinning apparatus, and a polymer in which polyvinylidene fluoride having a weight average molecular weight of 50,000 was dissolved in a solvent.
  • the spinning solution is supplied to the main tank 8 connected to the spinning solution unit 10d.
  • the polyurethane solution supplied to the main tank 8 connected to the spinning solution unit 10b is electrospun through a nozzle block 11 to which a high voltage is applied through a metering pump (not shown), and the first nanomaterial is deposited on the adhesive layer. A fibrous layer is formed.
  • the low melting polymer solution is discharged from the low melting polymer unit 10c through a nozzle to form another adhesive layer on the first nanofiber layer, and is supplied to the main tank 8 connected to the spinning solution unit 10d.
  • the polyvinylidene fluoride solution is electrospun through the nozzle block 11 to form a second nanofiber layer on the another adhesive layer.
  • the substrate is a spinning solution in the low melting polymer unit by the rotation of the feed roller 3 and the auxiliary feeder 16 driven by the rotation of the feed roller 3 is driven by the drive of a motor (not shown)
  • the mask pack is manufactured by electrospinning the first and second nanofiber layers on the substrate while being transferred to the unit and repeating the above process.
  • a mask pack was prepared in the same manner as in Example 9 without forming an adhesive layer.
  • the mask pack was prepared in the same manner as in Example 9 using hydrophilic polyvinylidene fluoride, polyurethane (PAN), hydrophilic polyurethane (PU), and polyvinyl alcohol (PVA) as the polymer spinning solution.
  • PAN polyurethane
  • PU hydrophilic polyurethane
  • PVA polyvinyl alcohol
  • the prepared mask pack was impregnated with the skin active ingredient shown in Table 34 by weight%.
  • the level of soothing and moisturizing the skin is 5 points: Very good, 4 points: Slightly good, 3 points: Normal, 2 points: Slightly bad, 1 point : After evaluating on a very poor scale, each mean value is shown in Table 35 as a result of skin soothing and moisturizing effects when using the product.
  • the low melting point polyurethane was dissolved in DMAc (N, N-dimethylaceticamide) solvent to prepare a low melting point polymer solution, which was supplied to the main tank 8 connected to the low melting point polymer units 10a and 10c of the electrospinning apparatus.
  • the low melting polymer solution supplied to the tank 8 is continuously metered into the plurality of nozzles 12 of the nozzle block 11 to which a high voltage is applied through a metering pump (not shown).
  • the low melting polymer solution supplied from the nozzles 12 forms an adhesive layer having a basis weight of about 0.1 g / m 2 while being electrospun and focused on a substrate positioned on the collector 13 under high voltage through the nozzles 12. do.
  • a polymer spinning solution in which polyvinylidene fluoride having a weight average molecular weight of 50,000 is dissolved in a DMF solvent is supplied to the main tank 8 connected to the spinning solution units 10b and 10d of the electrospinning apparatus.
  • the polyurethane solution supplied to the main tank 8 connected to the spinning solution unit 10b is electrospun through a nozzle block 11 to which a high voltage is applied through a metering pump (not shown), and the first nanomaterial is deposited on the adhesive layer. A fibrous layer is formed.
  • the low melting polymer solution is discharged from the low melting polymer unit 10c through a nozzle to form another adhesive layer on the first nanofiber layer, and is supplied to the main tank 8 connected to the spinning solution unit 10d.
  • the polyvinylidene fluoride solution is electrospun through the nozzle block 11 to form a second nanofiber layer on the another adhesive layer.
  • the applied voltages during the electrospinning of the spinning solution units 10b and 10d were 25 kV and 15 kV, respectively.
  • the substrate is then released from the low melting polymer unit by the rotation of the feed roller 3 operated by the driving of a motor (not shown) and the auxiliary feeder 16 driven by the rotation of the feed roller 3.
  • the mask pack was manufactured by electrospinning the first and second nanofiber layers on the substrate while transferring the used liquid unit to repeating the above process.
  • a mask pack was prepared in the same manner as in Example 10 without forming an adhesive layer.
  • a mask pack was prepared in the same manner as in Example 10, using hydrophilic polyvinylidene fluoride, polyurethane (PAN), hydrophilic polyurethane (PU), and polyvinyl alcohol (PVA) as the polymer spinning solution.
  • PAN polyurethane
  • PU hydrophilic polyurethane
  • PVA polyvinyl alcohol
  • the prepared mask pack was impregnated with the skin active ingredient shown in Table 38 by weight%.
  • each mean value is shown in Table 39 as a result of skin soothing and moisturizing effect when using the product.
  • the low melting point polyurethane was dissolved in DMAc (N, N-dimethylaceticamide) solvent to prepare a low melting point polymer solution, which was supplied to the main tank 8 connected to the low melting point polymer units 10a and 10c of the electrospinning apparatus.
  • the low melting polymer solution supplied to the tank 8 is continuously metered into the plurality of nozzles 12 of the nozzle block 11 to which a high voltage is applied through a metering pump (not shown).
  • the low melting polymer solution supplied from the nozzles 12 forms an adhesive layer having a basis weight of about 0.1 g / m 2 while being electrospun and focused on a substrate positioned on the collector 13 under high voltage through the nozzles 12. do.
  • the polymer spinning solution in which the polyurethane is dissolved in the DMAc solvent is supplied to the main tank 8 connected to the spinning solution units 10b and 10d of the electrospinning apparatus.
  • the polyurethane solution supplied to the main tank 8 connected to the spinning solution unit 10b is electrospun through a nozzle block 11 to which a high voltage is applied through a metering pump (not shown), and the first nanomaterial is deposited on the adhesive layer. A fibrous layer is formed.
  • the low melting polymer solution is discharged from the low melting polymer unit 10c through a nozzle to form another adhesive layer on the first nanofiber layer, and is supplied to the main tank 8 connected to the spinning solution unit 10d.
  • the polyvinylidene fluoride solution is electrospun through the nozzle block 11 to form a second nanofiber layer on the another adhesive layer.
  • the applied voltages during the electrospinning of the spinning solution units 10b and 10d were 28 kV and 18 kV, respectively.
  • the substrate is then released from the low melting polymer unit by the rotation of the feed roller 3 operated by the driving of a motor (not shown) and the auxiliary feeder 16 driven by the rotation of the feed roller 3.
  • the mask pack was manufactured by electrospinning the first and second nanofiber layers on the substrate while transferring the used liquid unit to repeating the above process.
  • a mask pack was prepared in the same manner as in Example 11 without forming an adhesive layer.
  • the mask pack was prepared in the same manner as in Example 11 but using hydrophilic polyvinylidene fluoride, polyurethane (PAN), hydrophilic polyurethane (PU), and polyvinyl alcohol (PVA) as the polymer spinning solution.
  • PAN polyurethane
  • PU hydrophilic polyurethane
  • PVA polyvinyl alcohol
  • the prepared mask pack was impregnated with the skin active ingredient shown in Table 42 by weight%.
  • each mean value is shown in Table 43 as a result of skin soothing and moisturizing effect when using the product.
  • the mask pack of the present invention even after 15 days no delamination of the nanofibers, the mask pack without the adhesive layer occurred nanofiber delamination after 3 days.
  • the mask pack including the nanofiber layer as shown in the present invention showed better skin adhesion than the conventional nonwoven mask pack, it was found that the adhesion to the skin, skin soothing and moisturizing effect is remarkably excellent.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Birds (AREA)
  • Chemical & Material Sciences (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Nonwoven Fabrics (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

Abstract

La présente invention concerne un ensemble masque comprenant des nanofibres et un procédé de fabrication de celui-ci, l'ensemble masque comprenant un substrat et une couche de nanofibres. La présente invention a pour avantage que l'adhérence entre la couche de substrat et la couche de polymère électrofilée est facile, qu'aucun décollement n'est observé, que l'existence de la couche de nanofibres améliore significativement la propriété de fixation à la peau, que ladite couche présente un taux élevé d'imprégnation par des composants retenant l'humidité et divers nutriments, et qu'elle est caractérisée par un remarquable effet de diffusion à travers la peau.
PCT/KR2015/007145 2015-04-24 2015-07-09 Ensemble masque comprenant des nanofibres WO2016171331A1 (fr)

Applications Claiming Priority (22)

Application Number Priority Date Filing Date Title
KR10-2015-0057953 2015-04-24
KR10-2015-0057955 2015-04-24
KR10-2015-0057956 2015-04-24
KR10-2015-0057950 2015-04-24
KR10-2015-0057951 2015-04-24
KR1020150057958A KR101771941B1 (ko) 2015-04-24 2015-04-24 다중직경 폴리우레탄 나노섬유를 포함하는 마스크팩 및 이의 제조방법
KR1020150057954A KR101771937B1 (ko) 2015-04-24 2015-04-24 폴리에틸렌 테레프탈레이트 기재 양면에 소수성 고분자 나노섬유층을 포함하는 마스크팩 및 이의 제조방법
KR1020150057953A KR101771936B1 (ko) 2015-04-24 2015-04-24 셀룰로오스 기재 양면에 친수성 고분자 나노섬유층과 소수성 고분자 나노섬유층을 포함하는 마스크팩 및 이의 제조방법
KR10-2015-0057954 2015-04-24
KR10-2015-0057949 2015-04-24
KR1020150057951A KR101771934B1 (ko) 2015-04-24 2015-04-24 셀롤로오스 기재 양면에 친수성 고분자 나노섬유층을 포함하는 마스크팩 및 이의 제조방법
KR10-2015-0057957 2015-04-24
KR10-2015-0057952 2015-04-24
KR1020150057952A KR101771935B1 (ko) 2015-04-24 2015-04-24 폴리에틸렌 테레프탈레이트 기재 양면에 친수성 고분자 나노섬유층과 소수성 고분자 나노섬유층을 포함하는 마스크팩 및 이의 제조방법
KR1020150057956A KR101771939B1 (ko) 2015-04-24 2015-04-24 폴리우레탄 나노섬유 및 폴리비닐리덴 플루오라이드 나노섬유를 포함하는 마스크팩 및 이의 제조방법
KR1020150057955A KR101771938B1 (ko) 2015-04-24 2015-04-24 셀룰로오스 기재 양면에 소수성 고분자 나노섬유층을 포함하는 마스크팩 및 이의 제조방법
KR1020150057957A KR101771940B1 (ko) 2015-04-24 2015-04-24 다중직경 폴리비닐리덴 플루오라이드 나노섬유를 포함하는 마스크팩 및 이의 제조방법
KR1020150057949A KR101771932B1 (ko) 2015-04-24 2015-04-24 폴리비닐알콜 나노섬유 및 소수성 고분자 나노섬유를 포함하는 마스크팩 및 이의 제조방법
KR1020150057948A KR101771931B1 (ko) 2015-04-24 2015-04-24 폴리아크릴로니트릴 나노섬유 및 소수성 고분자 나노섬유를 포함하는 마스크팩 및 이의 제조방법
KR10-2015-0057958 2015-04-24
KR10-2015-0057948 2015-04-24
KR1020150057950A KR101771933B1 (ko) 2015-04-24 2015-04-24 폴리에틸렌 테레프탈레이트 기재 양면에 친수성 고분자 나노섬유층을 포함하는 마스크팩 및 이의 제조방법

Publications (1)

Publication Number Publication Date
WO2016171331A1 true WO2016171331A1 (fr) 2016-10-27

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PCT/KR2015/007145 WO2016171331A1 (fr) 2015-04-24 2015-07-09 Ensemble masque comprenant des nanofibres

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WO (1) WO2016171331A1 (fr)

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CN108030702A (zh) * 2017-12-20 2018-05-15 天津工业大学 一种锁水保湿面膜布及其制备方法和应用
CN110251405A (zh) * 2019-05-24 2019-09-20 西施兰（南阳）药业股份有限公司 一种含有草本成分的抗污染面膜及其制备方法

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KR20120076922A (ko) * 2010-12-30 2012-07-10 주식회사 효성 방사팩 및 그를 포함하는 전기방사장치
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107237047A (zh) * 2017-06-16 2017-10-10 深圳大学 一种防雾霾无纺布的制备方法
CN108030702A (zh) * 2017-12-20 2018-05-15 天津工业大学 一种锁水保湿面膜布及其制备方法和应用
CN108030702B (zh) * 2017-12-20 2021-02-26 天津工业大学 一种锁水保湿面膜布及其制备方法和应用
CN110251405A (zh) * 2019-05-24 2019-09-20 西施兰（南阳）药业股份有限公司 一种含有草本成分的抗污染面膜及其制备方法
CN110251405B (zh) * 2019-05-24 2023-12-26 西施兰（南阳）药业股份有限公司 一种含有草本成分的抗污染面膜及其制备方法

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