JP2016156114A - Nanofiber sheet member and product for various uses using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a manufacturing method and a manufacturing device to manufacture a sheet member by forming a safe, thin and even nanofiber adhesion layer unaffected by temperature and humidity without using high voltage such as that in an electrospinning method, and by strongly and integrally laminating a nanofiber layer or nano particle on the nanofiber adhesion layer.SOLUTION: A device comprises: nanofiber generating means 1; an injection nozzle 2 which discharges an adhesive molten polymer; an air nozzle 3 which discharges a high-speed and high-temperature air; a guide box 4 which prevents nanofiber from diffusing; and a substrate sheet 9 which is disposed so as to intersect the guide box 4. In the device 1, the molten polymer discharged from the injection nozzle 2 is stretched by the high-speed and high-temperature air from the air nozzle 3 and can form into a nanofiber adhesion layer on the substrate material 9. Subsequently, a nanofiber layer or nano particle is laminated on an adhesion layer 14 by a separately installed fiber generation device 15, resulting in a nanofiber sheet member 20 in which the nanofiber layer or nano particle and the adhesion layer are integrated.SELECTED DRAWING: Figure 1

Description

  In the present invention, a nanofiber generated by using a nanofiber generating means is attached to a substrate using a molten polymer having an adhesive function to form a nanofiber adhesive layer, and the nanofiber layer or nanofiber is formed on the nanofiber adhesive layer. The present invention relates to a nanofiber sheet member in which particles are fixed and integrated, and products for various uses using the member.

Nanofiber fiber products containing nanofibers are used in various fields such as clothing, electricity, automobiles, medical care, and building materials. In recent years, with the diversification of applications of nanofibers and nanofiber fiber products, the fiber diameter has become larger. Nanofibers with small size are required.

  In particular, nanofiber fiber products using nanofibers with a small fiber diameter have features such as a large surface area, a high space ratio, a small pore diameter, a high air permeability, and a high fluid permeation rate. Therefore, development in special fields such as filter field, clothing field, medical material field, biotechnology field, automobile field and building material field has been actively conducted.

  Such nanofiber fiber products using nanofibers with small fiber diameters are known to have a method of ultrasonically bonding the surface of the substrate and the nanofiber layer in order to laminate and integrate the nanofiber layer on the substrate of the fiber product. It has been.

  However, this ultrasonic bonding method has a problem in that the fragile nanofiber layer may be damaged and the function of the nanofiber layer may be impaired.

  As a method for integrating the nanofiber layer on the substrate surface of the textile product, a method of immobilizing the substrate and the nanofiber layer by applying an adhesive medium such as a binder, molten fiber, or adhesive powder to the substrate surface It has been known.

  However, in this method, it is difficult to uniformly apply the adhesive medium to the surface of the base material, and the thickness of the adhesive medium becomes thick so that uniform integration is difficult and the base fiber surface and the nanofiber layer are peeled off. The quality was unstable. Furthermore, there was a phenomenon in which the adhesive medium soaked partly into the base material to inhibit the function of the nanofiber fiber product.

  Therefore, the present inventor tried to add nanofibers to the substrate surface to form a nanofiber adhesive layer and immobilize the nanofiber layer and nanoparticles on the nanofiber adhesive layer.

  However, in this method, since the nanofiber generation means is the ESD method (electrospinning method) or the MELT-ESD method (melting electrospinning method), the electric field interference due to the high voltage cannot be avoided. However, the thin film nanofiber adhesive layer could not be formed due to the droplets or ball-shaped substances adhering to the base sheet without being fiberized. In addition, droplets and ball-shaped substances can significantly reduce the material utilization efficiency and cause clogging of the completed nanofiber layer, which can greatly impair the mechanical properties of the nanofiber layer.

  Accordingly, the present invention is intended to solve these problems, and a first object of the present invention is to use a high voltage as in an ESD (electrospinning method), high safety, temperature, and humidity. The nanofiber generation means that is not affected by the above-mentioned effect is used to form a uniform thin nanofiber adhesive layer.

  The second object of the present invention is to firmly fix the nanofiber layer or the nanoparticles by forming a nanofiber adhesive layer having a strong adhesive force on the substrate surface.

  A third object of the present invention is to use a nanofiber generating means that does not generate droplets or beads so that the nanofiber adhesive layer does not penetrate into the substrate.

  A fourth object of the present invention is to form a nanofiber sheet member by integrating a nanofiber layer or nanoparticles with a nanofiber adhesive layer formed on the substrate surface.

  A fifth object of the present invention is to produce products for various uses using a nanofiber sheet member.

  The first solving means of the present invention comprises an ejection nozzle that discharges a molten polymer and an air nozzle that blows out high-speed and high-temperature air. The molten polymer discharged from the high-speed and high-temperature air that is blown out from the air nozzle is stretched to form nanofibers. Nanofiber generating means (this means is called "Zetta Spinning method nanofiber generating means"), a guide box that prevents the nanofiber from diffusing, and a jet nozzle Thus, a nanofiber generator constituted by a base material disposed immediately behind the guide box is provided.

  The second solving means of the present invention is that a nanofiber generated from the nanofiber generating means is attached to the surface of the substrate using a molten polymer having an adhesion function to form a nanofiber adhesive layer.

  The third solving means of the present invention comprises a separately provided jet nozzle for discharging a molten polymer and an air nozzle for blowing high-speed and high-temperature air, and the molten polymer discharged from the jet nozzle with high-speed and high-temperature air blown from the air nozzle A nanofiber sheet member was formed by fixing and integrating a nanofiber layer or nanoparticles with the nanofiber adhesive layer using a nanofiber generating means that was drawn into nanofibers.

  According to a fourth solution of the present invention, the molten polymer having an adhesive function is a low-melting resin such as low density polyethylene, polystyrene, polyvinyl chloride, and polylactic acid, or polypropylene, polyolefin, polyolefin modified resin, and ethylene-vinyl acetate copolymer. That is, one or a combination of hot melt resins such as resin, thermoplastic polyamide resin, polyester, and polyurethane is used.

  According to a fifth solution of the present invention, the base material is an organic fiber such as polyester fiber, polyamide fiber, polyethylene fiber, rayon, polypropylene fiber, glass fiber, pulp fiber, or a non-woven fabric or woven fabric composed of one or more of these. A base sheet made of cloth, a film, a glass plate, a wire mesh, a nylon net, a sintered metal, or a three-dimensional object is used.

  The sixth solving means of the present invention is that the nanofiber sheet member is used as a member of a sound absorbing material having an excellent sound absorbing effect.

  The seventh solution of the present invention uses a nanofiber sheet member as a member of a bedding material such as a clothing material such as a heat insulation material or a cold weather underwear having a heat insulation performance about twice that of a feather or a cold underwear. That is.

  The eighth solution of the present invention is that a nanofiber sheet member having a high specific surface area, a wide and uniform small air hole, and a dense high density capturing function is used as a medical material such as a mask, gauze, or bandage. It is used as a member of sanitary materials such as diapers and sanitary products, or as an air filter medium.

  The ninth solution of the present invention comprises a base material having a shape maintaining function for the purpose of improving strength, a nanofiber sheet member having a performance of blocking water but blocking water, and a sealing material or a waterproof sheet. It was used as a member for agricultural materials such as construction materials or weedproof sheets.

  Examples of the nanofiber material of the nanofiber generation means for generating nanofiber layers or nanoparticles separately provided here include polyester, polyamide, polyolefin, polyurethane (PU), and the like. Examples of the polyester include polyethylene terephthalate (PET), polytrimethylene terephthalate (PTT), polybutylene terephthalate (PBT), and polylactic acid (PLA). Examples of the polyamide include nylon 6 (N6), nylon 66 (N66), nylon 11 (N11), and the like. Examples of the polyolefin include polyethylene (PE), polypropylene (PP), and polystyrene (PS).

A nanofiber generating means that consists of a jet nozzle that discharges molten polymer and an air nozzle that blows high-speed and high-temperature air, and draws the molten polymer discharged from the jet nozzle with high-speed and high-temperature air blown from the air nozzle to form nanofibers. A nanofiber device using a molten polymer having an adhesive function in a nanofiber device composed of a guide box that prevents the nanofiber from diffusing, and a base material disposed in the immediate rear of the guide box so as to face the ejection nozzle The nanofiber adhesive layer formed by attaching nanofibers generated from the generating means to the substrate has the following effects.
(1) Since the nanofiber generating means does not use a high voltage as compared with the conventional ESD method, it is highly safe and is not affected by discharge due to temperature and humidity at the production site. This can open the way to performance improvement by thinning the nanofibers, and it is possible to suppress the generation of liquid droplets, which was a major problem of the ESD method and the MELT-ESD method. As a result, a uniform thin film nanofiber adhesive layer having a strong adhesive force can be formed.
(2) In addition, since the nanofiber layer or the nanoparticle is fixed to the nanofiber adhesive layer of a uniform thin film having a strong adhesive force, the integration is strengthened.
(3) Furthermore, since the nanofiber adhesive layer forms a nanofiber sheet member composed of a laminate in which the base material and the nanofiber layer or nanoparticles are fixed, the nanofiber sheet member is strengthened in strength. .
(4) Since the nanofiber adhesive layer having a thin film is formed, it can be strongly fixed without impairing the air permeability of the substrate. As a result, the nanofiber sheet member can be used as a member of a medical material such as a mask, a gauze, or a bandage, a member of a sanitary material such as a diaper or a sanitary product, a clothing material such as a cold weather underwear, or a bedding material such as a futon. it can. In particular, when used as an air filter medium, the pressure loss is low and the collection efficiency is high.
(5) Since the nanofiber adhesive layer with a thin film was formed and the nanoparticles were fixed and integrated, the nanoparticle was not buried in the nanofiber adhesive layer, and the surface was exposed to the maximum and the characteristics of the nanoparticles were utilized. Can be immobilized. Thus, the nanofiber sheet member can be used as a sound absorbing material member, a heat insulating material member, a sealing material member, a construction material such as a waterproof sheet, or an agricultural material such as a grass prevention sheet.

A nanofiber adhesive layer is formed by attaching a nanofiber generated by the nanofiber generating means to a base material sheet made of nonwoven fabric, and a nanofiber layer or a nanofiber generated by a nanofiber generator separately provided on the nanofiber adhesive layer. The schematic which manufactures the nanofiber sheet | seat member which fixedly integrated particle | grains. A nanofiber adhesive layer is formed by attaching a nanofiber generated by a nanofiber generating means to a substrate made of a glass plate, and a nanofiber layer or a nanofiber generated by a nanofiber generator separately provided on the nanofiber adhesive layer. The schematic which manufactures the nanofiber sheet | seat member which fixedly integrated particle | grains. The figure which shows one example of the nanofiber sheet | seat member of this invention.

  Hereinafter, nanofibers formed by attaching nanofibers produced by nanofiber generating means to a base material sheet made of nonwoven fabric to form a nanofiber adhesive layer, and nanofiber layers or nanoparticles fixed to the nanofiber adhesive layer are provided. The sheet member will be described with reference to FIG.

  Reference numeral 1 denotes a nanofiber generating means for forming a nanofiber adhesive layer, and the nanofiber generating means 1 is for ejecting a molten polymer obtained by melting a low melting point resin, and for stretching the molten polymer discharged from the ejecting nozzle 2. And an air nozzle 3 for generating high-speed and high-temperature air used in the above. Reference numeral 4 denotes a guide box for preventing the nanofibers 5 forming the adhesive layer generated by the nanofiber generating means 1 from diffusing. Reference numeral 6 denotes a suction box for sucking the nanofibers 5 generated by the nanofiber generating means 1. A fan 7 is attached in the suction box 6. Reference numeral 8 denotes a base material supply roll around which the base material sheet 9 is wound and is rotatably supported. Reference numeral 10 denotes a feeding roll for the base sheet 9. Cutouts 11 and 12 are formed on opposite sides of the guide box 4 on the suction box 6 side, and the base sheet 9 is formed so as to pass through the cutouts 11 and 12. Further, an opening 13 is formed in the guide box 4, and the nanofiber 5 that has been riding on the flow of high-speed and high-temperature air by driving the fan 7 in the suction box 6 passes through the opening 13 in the base sheet 9. The nanofiber adhesive layer 14 is formed by continuously attaching. 15 is a nanofiber generating means provided separately. The nanofiber generating means 15 is used for discharging a thermoplastic molten polymer heated or melted with a solvent, and for extending the molten polymer discharged from the jet nozzle 16. And an air nozzle 17 for generating high-speed and high-temperature air. The molten polymer discharged from the jet nozzle 15 is fixed and integrated with the nanofiber adhesive layer 14 attached to the base sheet 9 by stretching the molten polymer as nanofibers or nanoparticles 18 with high-speed high-temperature air blown from the air nozzle. It has become so. Reference numeral 19 denotes a thermocompression roller. The thermocompression roller 19 fixes and integrates the nanofiber layer or nanoparticles 18 to the base sheet 9. And it forms as the nanofiber sheet | seat member 20 laminated | stacked through the nanofiber contact bonding layer 14, and is wound up by the base-material winding roll 21. As shown in FIG.

  Next, the nanofiber generated by the nanofiber generating means is attached to a solid substrate such as glass to form a nanofiber adhesive layer, and the nanofiber layer or nanoparticles are fixed to the nanofiber adhesive layer. The nanofiber sheet member will be described with reference to FIG. The same members as those in FIG. 1 are denoted by the same reference numerals.

  Reference numeral 1 denotes a nanofiber generating means. The nanofiber generating means 1 is a jet nozzle 2 that discharges a molten polymer obtained by melting a low-melting resin, and high-speed high-temperature air that is used to stretch the molten polymer discharged from the jet nozzle 2. And an air nozzle 3 for generating Reference numeral 4 denotes a guide box for preventing the nanofibers 5 forming the adhesive layer generated by the nanofiber generating means 1 from diffusing. Reference numeral 22 denotes a conveyor belt supply roll around which the conveyor belt 23 is wound and rotatably supported. Reference numeral 24 denotes a feeding roll of the conveyor belt 23. Notches 11 and 12 are formed at one end of the guide box 4, and the conveyor belt 23 is formed so as to pass through the notches 11 and 12. Reference numeral 25 denotes a solid base material such as glass placed on the transport belt 23. On the base material 25, the nanofiber 5 that has been riding on the flow of high-speed and high-temperature air is attached to form the nanofiber adhesive layer. 15 is a nanofiber generating means provided separately. The nanofiber generating means 15 is used for discharging a thermoplastic molten polymer heated or melted with a solvent, and for extending the molten polymer discharged from the jet nozzle 16. And an air nozzle 17 for generating high-speed and high-temperature air. The molten polymer discharged from the ejection nozzle 16 is stretched as nanofibers or nanoparticles 18 by high-speed high-temperature air blown out from the air nozzle 17 and attached to the substrate 25 to be fixed and integrated as a nanofiber layer or nanoparticles. Is done. Reference numeral 26 denotes a thermocompression bonding apparatus. The thermocompression bonding apparatus 26 forms a nanofiber sheet member 27 in which the substrate 25 and the nanofiber layer or nanoparticle 18 are laminated via the nanofiber adhesive layer 14. The nanofiber sheet member 27 is transported by a transport belt take-up roll 28 and taken out from the transport belt 23.

  An example in which the nanofiber sheet member is used as a member of a sound absorbing material having an excellent sound absorbing effect will be described.

Polystyrene is used as the molten polymer, nanofibers having a fiber diameter of 5 to 100 nm are produced by means of nanofiber generation means, and the nanofibers are attached onto a base sheet to have a basis weight of 50 to 500 g / cm ² and air permeability. A nanofiber adhesive layer in the range of 10 to 30 cc / cm ² / sec was formed. And a nanofiber layer or a nanoparticle was fixed and integrated on this nanofiber adhesive layer and laminated to produce a nanofiber sheet member. Since this nanofiber sheet member has a cotton-like structure in which fine fibers are entangled with each other, the nanofiber sheet member has a function as a member of a sound absorbing material having excellent sound absorbing characteristics.

  The example used as a member of the heat insulating material excellent in heat insulation using a nanofiber sheet member is explained.

  Polyurethane was used as the molten polymer, and a foaming agent was mixed therewith, and nanofibers having a fiber diameter of 5 to 100 nm were produced from the nanofiber generating means to form a nanofiber adhesive layer on the substrate sheet. And a nanofiber layer or a nanoparticle was fixed and integrated on this nanofiber adhesive layer and laminated to produce a nanofiber sheet member. This nanofiber sheet member has a structure in which the pore diameter is 70 nm or less, the partition wall between the pores is controlled to 10 nm or less, and the porosity is 90% or more. Got.

  An example in which the nanofiber sheet member is used as a member having the function of a clothing material such as a cold weather underwear will be described.

  Polyurethane was used as the molten polymer, nanofibers having a fiber diameter of 5 to 100 nm were generated from the polyurethane by means of nanofiber generating means, and a nanofiber adhesive layer was formed on the substrate sheet. And a nanofiber layer or a nanoparticle was fixed and integrated on this nanofiber adhesive layer and laminated to produce a nanofiber sheet member. This nanofiber sheet member has heat insulation performance about twice that of the deposited feathers, has a light function of about 30%, and is water-repellent while allowing only water vapor to permeate from the surface of the nanofiber sheet member and evaporating area. However, it has obtained an optimum function as a material for clothing materials such as cold weather underwear, which exhibits an effect that is several hundred times higher than that of the prior art and has a water vapor transmission rate that is hundred times higher than that of the prior art.

  An example in which the nanofiber sheet member is used as a member having the function of a bedding material such as a futon will be described.

  Polyester was used as the molten polymer, nanofibers having a fiber diameter of 5 to 100 nm were produced from the polyester by means of nanofiber generation means, and a nanofi adhesion layer was formed by depositing the nanofibers on the base sheet. And a nanofiber layer or a nanoparticle was fixed and integrated on this nanofiber adhesive layer and laminated to produce a nanofiber sheet member. Since this nanofiber sheet member is composed of airtight, homogeneous material and composed of independent fine bubbles, heat escapes by a small number of air walls (small chambers) in the nanofiber sheet member. It has a function to stop. For this reason, the nanofiber sheet member is used as a member of a bedding material such as a futon as a cotton having a heat insulating function and an excellent heat retention property.

  An example in which the nanofiber sheet member is used as a gauze member will be described.

Using polyethylene as the molten polymer, nanofibers having a fiber diameter of 5 to 100 nm are produced by means of nanofiber generation means, and the nanofibers are deposited on a base sheet to form a nanofiber adhesive comprising a fiber web laminate A layer was formed. A nanofiber sheet or nanoparticle was fixed and integrated on the nanofiber adhesive layer to form a nanofiber sheet member. The nanofiber sheet member obtained a gauze function composed of a fiber web having a basis weight of 10 to 100 g / m ² . As a gauze member with excellent shape retention, there is little generation of lint at the time of cutting or use, and there is little form change due to friction during absorption or use, or friction in the absorption state. Obtained the optimal function.

  An example in which the nanofiber sheet member is used as a member for a medical material such as a bandage will be described.

  Polypropylene and polylactic acid were used as the melted polymer, and nanofibers were produced from this using nanofiber generating means to form a nanofiber adhesive layer on the substrate sheet. At this time, polypropylene is water-repellent, and when it is made into nanofibers, it becomes super-water-repellent and cannot pass water at all. On the other hand, since the nanofibers of polylactic acid are hydrophilic, the nanofiber sheet member made by laminating a nanofiber layer or nanoparticles fixed to this nanofiber adhesive layer has the function of adsorbing body fluid and blood in the affected area. Used as a member of medical materials such as bandages.

  An example in which the nanofiber sheet member is used as a member of a sanitary material product such as a diaper or a sanitary product will be described.

  Polypropylene (80%) + polyester (20%) was used as the molten polymer, and nanofibers were produced from this using nanofiber generating means to form a nanofiber adhesive layer on the substrate sheet. At this time, since the melting point of polypropylene is 180 ° C. and the melting point of polyester is 240 ° C., nanofibers having greatly different fiber diameters can be dispersed by mixing them and melting at an appropriate temperature. As a result, polypropylene is water-repellent, and becomes nano-fiber and becomes super water-repellent and does not allow moisture to pass through at all. On the other hand, polyester nanofibers are hydrophilic and adsorb urine and blood. The nanofiber sheet member in which the nanofiber layer or the nanoparticles are fixed and integrated on the nanofiber adhesive layer has thus obtained a function as a sanitary material product such as a diaper or a sanitary product. Furthermore, since the nanofiber sheet member has water absorption characteristics excellent in water retention and water absorption speed and has a soft touch, it is optimal as a member of sanitary material supplies such as diapers and sanitary products. Got the function.

  An example in which the nanofiber sheet member is used as a sealing material member will be described.

  Polyolefin is used as a molten polymer, and a pyrolytic foaming agent is mixed therewith to produce nanofibers having a fiber diameter of 5 to 100 nm by means of nanofiber generating means, and the nanofibers are laminated on the base sheet. A nanofiber adhesive layer having excellent weather resistance, heat resistance, and sealing functions was formed. This nanofiber adhesive layer was impermeable to water but passed water vapor, had low hardness and low density, and obtained a function as a sealing material excellent in sealing properties. For this reason, the nanofiber sheet member in which the nanofiber layer or the nanoparticle is fixed and integrated on the nanofiber adhesive layer is particularly suitable as a member for a sealing material of a mobile phone.

  An example in which the nanofiber sheet member is used as a member for a construction material such as a waterproof sheet will be described.

Polyethylene was used as the molten polymer, and nanofibers were produced on the substrate sheet by nanofiber generating means to obtain a nanofiber adhesive layer having a basis weight of 15 g / m ² or more and an apparent density of 0.40 g / cm ³ or less. The nanofiber sheet member in which the nanofiber layer or the nanoparticles are fixed and integrated on the nanofiber adhesive layer has an optimum function as a construction material such as a waterproof sheet having moisture permeability and waterproofness.

  An example in which the nanofiber sheet member is used as a member for agricultural materials such as a weedproof sheet will be described.

Polyethylene used for biodegradable plastics was used as the molten polymer, and nanofibers were produced from the polyethylene by means of nanofiber generating means to obtain a nanofiber adhesive layer having a thickness of 20 μm on the base sheet. This nanofiber adhesive layer has an excellent waterproofing effect, has a filterability despite air permeability, has moderate water resistance, and has an effect of preventing invasion of bacteria. Alternatively, the nanofiber sheet member in which nanoparticles are fixedly integrated and laminated has obtained an optimum function as a member for agricultural materials such as a herbicidal sheet having a photo-degrading property, being fragile with time and easily disposed of.

Note that the present invention is not limited to the above-described embodiment as it is, and can be embodied by modifying the constituent elements without departing from the spirit of the invention in the implementation stage.
Various modifications can be made by appropriately combining a plurality of constituent elements disclosed in the embodiment.

  After various researches, the present inventor does not use a high voltage as in the ESD method (electrospinning method), and includes an ejection nozzle that ejects a molten polymer and an air nozzle that ejects high-speed high-temperature air. We have developed nanofiber generation means that draws molten polymer discharged with high-speed high-temperature air that has been blown out into nanofibers, so that a thin nanofiber adhesive layer with a strong and uniform adhesion is formed on the substrate. A nanofiber sheet member in which a nanofiber layer or nanoparticles are firmly fixed and laminated on a nanofiber adhesive layer can be obtained, and products for various uses are manufactured using the nanofiber sheet member, and thus the present invention is industrial. It is extremely useful.

DESCRIPTION OF SYMBOLS 1 ... Nanofiber generation means 2 ... Jet nozzle 3 ... Air nozzle 4 ... Guide box 5 ... Nanofiber 6 ... Suction box 7 ... Fan 8 ... Substrate supply Roll 9 ... Base sheet 10 ... Feed rolls 11, 12 ... Notches 13 ... Opening portion 14 ... Nanofiber adhesive layer 15 ... Nanofiber generating means 16 provided separately ... -Ejection nozzle 17 ... Air nozzle 18 ... Nanofiber or nanoparticle 19 ... Thermocompression-bonding roller 20 ... Nanofiber sheet member 21 ... Substrate take-up roll 22 ... Conveyor belt supply roll DESCRIPTION OF SYMBOLS 23 ... Conveying belt 24 ... Feeding roll 25 ... Solid base material 26 ... Thermocompression bonding apparatus 27 ... Nanofiber sheet member

Claims (4)

  Nanofiber generating means that consists of a jet nozzle that discharges molten polymer and an air nozzle that blows out high-speed and high-temperature air. Nanofiber generating means using a molten polymer having an adhesive function in a nanofiber generating apparatus composed of a guide box that prevents fibers from diffusing and a base material that is disposed immediately behind the guide box so as to face the ejection nozzle A nanofiber sheet member characterized in that a nanofiber adhesive layer is formed by adhering more generated nanofibers to a substrate surface, and a nanofiber layer or nanoparticles are fixed and integrated with the nanofiber adhesive layer.   Molten polymer with adhesive function is low density resin such as low density polyethylene, polystyrene, polyvinyl chloride, polylactic acid or polypropylene, polyolefin, polyolefin modified resin, ethylene-vinyl acetate copolymer resin, thermoplastic polyamide resin, polyester, The nanofiber sheet member according to claim 1, wherein one or a combination of hot melt resins such as polyurethane is used.   The base material is an organic fiber such as polyester fiber, polyamide fiber, polyethylene fiber, rayon, polypropylene fiber, glass fiber, pulp fiber, or a base material sheet or film or glass made of a nonwoven fabric or woven fabric composed of two or more of these. The nanofiber sheet member according to claim 1, wherein the nanofiber sheet member is selected from a plate, a wire mesh, a nylon net, a sintered metal, or a three-dimensional object. The nanofiber sheet member according to claim 1 is a member of a sound absorbing material, a member of a heat insulating material, a member of a medical material such as a mask, a gauze or a bandage, a member of a sanitary material product such as a diaper or a sanitary product, or a cold protection underwear It is used as a material for clothing, a bedding material such as a futon, a sealing material, a construction material such as a waterproof sheet, an agricultural material such as a weedproof sheet, or an air filter medium. Products for various uses using nanofiber sheet members.

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