CN107177934B - High-light-transmission dustproof screen window material and preparation method of screen window - Google Patents
High-light-transmission dustproof screen window material and preparation method of screen window Download PDFInfo
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- CN107177934B CN107177934B CN201710366583.3A CN201710366583A CN107177934B CN 107177934 B CN107177934 B CN 107177934B CN 201710366583 A CN201710366583 A CN 201710366583A CN 107177934 B CN107177934 B CN 107177934B
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0076—Electro-spinning characterised by the electro-spinning apparatus characterised by the collecting device, e.g. drum, wheel, endless belt, plate or grid
- D01D5/0084—Coating by electro-spinning, i.e. the electro-spun fibres are not removed from the collecting device but remain integral with it, e.g. coating of prostheses
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
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- 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
- D04H1/43—Acrylonitrile series
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- 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
- D04H1/4334—Polyamides
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- 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
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/52—Devices affording protection against insects, e.g. fly screens; Mesh windows for other purposes
Abstract
The invention discloses a high-light-transmission dustproof screen window material and a preparation method of a novel screen window. The novel screen window comprises a frame and a screen mesh embedded in the frame, wherein the screen mesh adopts a hard perforated or porous material as a base material, and the nanofiber membrane is spun on the surface of the base material. The dustproof screen window material has the advantages of high strength and long service life, the nano fibers are uniformly distributed, the dustproof screen window material can be wiped, is good in decoration effect, high in transparency and excellent in filtering performance, the filtering efficiency is 85-99%, the filtering resistance is 15-80 Pa, the transparency is 80-95%, the dustproof screen window material is detachable and convenient to clean, can be rolled, and has a good market prospect.
Description
Technical Field
The invention belongs to the technical field of environment-friendly equipment, relates to an air purification product, and particularly relates to a high-light-transmittance dustproof screen window material and a preparation method of a screen window.
Background
With the development of industrial technology, the air pollution is more and more serious, the air quality of people's life is also seriously reduced, and thus the life of people is also seriously affected, especially the appearance of haze weather. The continuous increase of suspended particles in the air is the main cause of haze weather. On the basis that the air quality cannot be rapidly improved, the improvement of the indoor air quality becomes necessary. The exchange of indoor and outdoor air is realized through windows, and for some indoor air purification equipment, the problem of air purification cannot be solved from the source, and the requirements of most users are difficult to meet.
The current popular screen window on the market in the prior art comprises common nylon, glass fiber, plastic and metal woven screens, the mesh size of the common screen is about 20 x 20 meshes, the single mesh size is 1.27mm x 1.27mm, the screen window is mainly used for blocking large particles, and the blocking efficiency of PM2.5 is only 0-5%. Various screen windows for preventing PM2.5, including ultrafiltration membrane screen windows, nanofiber screen windows and the like, which are introduced in the market in recent years have the problems of air impermeability, poor light transmittance, PM2.5 interception efficiency lower than 40% and the like to different degrees, the price is 350-600 yuan/square meter, and the nanofiber screen windows also have the defects of low strength, short service life and the like.
Disclosure of Invention
The invention provides a high-light-transmission dustproof screen window material with high filtering efficiency, excellent air permeability and good light transmission performance and a preparation method of the screen window in order to overcome the defects of the prior art and overcome the defects of the prior screen window.
The invention is realized by the following technical scheme: a high light-transmitting dustproof screen window material is prepared as forming high light-transmitting dustproof screen window material by screen mesh, screen window base material, nano fiber film formed by nano fiber filament, fiber film carrier and photochromic material; the preparation method of the high-light-transmission dustproof screen window material specifically comprises the following steps:
a. freely and uniformly spraying the nanofiber filaments on a screen window substrate in a spinning mode to obtain a nanofiber membrane with uniform thickness;
b. uniformly coating the granular solid hot-pressing adhesive microparticles on the nanofiber membrane obtained in the step a, and covering a layer of screen mesh on the surface layer of the fiber membrane carrier;
c. and carrying out thermal bonding at the temperature of 50-300 ℃ and the pressure of 0.1-20 MPa to obtain the nano screen window material.
The nanofiber membrane is composed of non-hydrophilic polymer fibers, numerous freely dispersed nanofiber filaments are solidified and bonded on a fiber membrane carrier to form the nanofiber membrane, nano holes with the size of 100-1000 nm are distributed on the surface of the fiber membrane, and the porosity is 80-98%. The nanofiber filament spraying is realized by a repeated relative movement mode of a spinning nozzle and a receiving device, and the spinning nozzle is any one of a needle-head spinning nozzle and a needle-free spinning nozzle.
The uniform coating mode of the hot-pressing glue microparticles is realized by an electrostatic spraying coating mode, the electrostatic spraying voltage is 10-70 kV, the spraying distance is 5-25 cm, and the spraying time is 15-60 s. The screen window base material is a hard perforated or porous material, the mesh number of the screen is 40-200 meshes, and the screen is made of silk or synthetic fiber.
A method for preparing a cleanable high-light-transmission PM2.5 nanofiber screen window by adopting a high-light-transmission dustproof screen window material comprises the steps that the screen window comprises a frame and a screen net embedded in the frame, the screen net adopts a hard perforated or porous material as a base material, and a nanofiber membrane is spun on the surface of the base material; the preparation method of the screen window comprises the following steps:
a. firstly, preparing an electrostatic spinning solution, adding tourmaline into the spinning solution, stirring to prepare a uniform spinning solution, and carrying out electrostatic spinning;
b. airing the base cloth with the spun nanofiber membrane at room temperature for 12-24 h, and then carrying out edge and internal local ultrasonic bonding treatment by using a transparent hard perforated or porous material as a covering cloth;
c. and finally, cutting the screen and embedding the screen into the frame to manufacture the screen window.
The transparent hard perforated material is PET, PA, PU, PC or PS, the porous material is common nylon, woven metal wire, PVC or glass fiber gauze, and the surface hole diameter of the transparent hard perforated material or the porous material is 0.1-1 mm.
The electrostatic spinning solution adopts one or more of polyacrylonitrile, polyvinylidene fluoride, nylon 6, nylon 66, polystyrene and polyurethane, the high molecular polymer adopted by the electrostatic spinning solution is one or more of any water-insoluble polymers which can be used for electrostatic spinning, and the solvent adopted by the electrostatic spinning solution is one or more of high-volatility solvents N, N-dimethylformamide, N-dimethylacetamide, formic acid, acetic acid, methanol, ethanol and acetone.
Adding 0.1-5% of tourmaline by mass percent into the prepared uniform electrostatic spinning solution, wherein the size of tourmaline particles is 0.1-1.5 mu m, adding a high molecular solution into a water bath at 40 ℃, stirring for 4-8 h, preparing into a uniform spinning solution, and carrying out electrostatic spinning for 2-5 min to obtain the nano fibers with the diameter of 100-300 nm and the thickness of 15-25 mu m.
The high-light-transmission nanofiber dustproof screen window prepared by adopting the high-light-transmission dustproof screen window material comprises a frame and a nanofiber screen window material embedded in the frame. The interior of the screen window is subjected to thermal bonding treatment or local ultrasonic bonding treatment, and can be selectively treated according to the use area of the actual screen window, and the surface of the transparent hard perforated or porous material can be wiped, so that the material has variable colors and is decorative.
The invention has the beneficial effects that: the invention relates to a nanometer screen window material and a preparation method of the screen window. According to the invention, through material selection and improvement of a spinning process, the dustproof screen window material which is high in strength, long in service life, uniform in nanofiber distribution, capable of being wiped, good in decoration effect, high in transparency and excellent in filtering performance can be prepared, the filtering efficiency is 85-99%, the filtering resistance is 15-80 Pa, the transparency is 80-95%, and the dustproof screen window material is detachable, convenient to clean, capable of being rolled and has a good market prospect. Compared with the prior art, the screen window can effectively prevent fine particles such as PM2.5 and the like, and has low resistance, good air fluidity and excellent wind resistance. In addition, the screen window is easy to clean, dust on the surface can be wiped off by adopting dry and wet rags, the effective service life is one year, and the screen window can be detached and replaced after one year.
The invention also has the following beneficial effects: 1. the thickness of the electrostatic spinning nanofiber membrane is 15-25 mu m, the diameter of the nanofiber is 100-300 nm, and PM2.5 particulate matters, pollen, winged insects and the like with the diameter of more than or equal to 2.5 mu m can be effectively blocked; 2. tourmaline particles with the particle diameter of 0.5-1.5 mu m and the mass percent of 0.5-5% are added into the spinning solution, the tourmaline is a material with the strongest permanent polarity and the strongest self-generating polarity, and the polarization vector of the tourmaline cannot be influenced by an external electric field, so that the adsorption performance of the tourmaline on PM2.5 can be effectively improved by adding the tourmaline into the nano film; 3. the upper surface and the lower surface of the screen window are prepared by adopting a porous material composite process, and the screen window has the advantages of good air permeability, wiping, easiness in cleaning and the like; 4. because the porous material is a multicolor high-light-transmission film, the multicolor high-light-transmission screen window can be prepared, has decoration performance, and does not influence indoor light and visual field.
By adopting a TSI8130 filtering performance tester, when the NaCl aerosol flow is 32L/Min, the filtering efficiency of the gauze of the screen window material is 85-99%, the filtering resistance is 15-80 Pa, the light transmittance of the gauze is 80-95%, and the air permeability is 300-400 L.m-2·s-1Moisture permeability of 4 to 11m2·Pa/w。
Drawings
FIG. 1 is an SEM image of nanofibers prepared in example 1 of the present invention;
FIG. 2 is a diameter distribution diagram of nanofibers prepared in example 1 of the present invention.
Detailed Description
In order that the invention may be more readily understood, preferred embodiments are set forth in the following detailed description of the invention taken in conjunction with the accompanying drawings and the specific embodiments.
Example 1:
and (3) dissolving a certain mass of polyacrylonitrile in N, N-dimethylformamide, and stirring for 5-8 hours until the polyacrylonitrile is completely dissolved to obtain the polyacrylonitrile/N, N-dimethylformamide spinning solution. 0.5 percent of tourmaline particles are added into the prepared uniform spinning solution, and the mixture is stirred for 3 hours in water bath at 40 ℃. The spinning parameters are as follows: the voltage is 55-70KV, the receiving distance is 10-20cm, the rotating speed of the roller is 60r/min, the ambient temperature is 25 ℃, and the ambient relative humidity is 45%.
The base cloth is made of glass fiber gauze, the covering cloth is made of hard PET punching materials, the obtained base cloth/nanofiber membrane/covering cloth is subjected to heat treatment, and finally the gauze is cut and then embedded into a frame to be made into the screen window. The screen window is tested for nanofiber diameter, nanofilm thickness, filtration efficiency, filtration resistance, moisture permeability, air permeability and transparency, and the test data are shown in table 1.
TABLE 1
Example 2:
and dissolving a certain amount of polyacrylonitrile in N, N-dimethylformamide, and stirring for 5-8 hours until the polyacrylonitrile is completely dissolved to obtain the polyacrylonitrile/N, N-dimethylformamide spinning solution. Adding 1.5% tourmaline particles into the prepared uniform spinning solution, and stirring for 8h in water bath at 40 deg.C. The spinning parameters are as follows: the voltage is 70KV, the receiving distance is 10cm, the rotating speed of the roller is 50r/min, the ambient temperature is 27 ℃, and the ambient relative humidity is 45%.
The base cloth is made of common nylon gauze, the covering cloth is made of hard PA perforated material, the obtained base cloth/nanofiber membrane/covering cloth is subjected to heat treatment, and finally the gauze is cut and embedded into the frame to be made into the screen window. The screen window was tested for nanofiber diameter, nanofilm thickness, filtration efficiency, filtration resistance, moisture permeability, air permeability and transparency, and the test data are shown in table 2.
TABLE 2
Example 3:
dissolving a certain amount of polyvinylidene fluoride in N, N-dimethylformamide, and stirring for 5-8 hours until the polyvinylidene fluoride is completely dissolved to obtain the polyacrylonitrile/N, N-dimethylformamide spinning solution. Adding 1% tourmaline particles into the prepared uniform spinning solution, and stirring for 6h in water bath at 40 deg.C. The electrostatic spinning parameters are as follows: the voltage is 65KV, the receiving distance is 12cm, the rotating speed of the roller is 40r/min, the ambient temperature is 25 ℃, and the ambient relative humidity is 40%.
The base cloth is made of transparent hard perforated PU materials, the covering cloth is made of common nylon gauze, the obtained base cloth/nanofiber membrane/covering cloth is subjected to heat treatment, and finally the gauze is cut and then embedded into a frame to be made into the screen window. The screen window was tested for nanofiber diameter, nanofilm thickness, filtration efficiency, filtration resistance, moisture permeability, air permeability and transparency, and the test data are shown in table 3.
TABLE 3
Example 4:
and dissolving a certain amount of polyacrylonitrile and polyvinylidene fluoride in N, N-dimethylformamide, and stirring for 5-8 hours until the polyacrylonitrile and the polyvinylidene fluoride are completely dissolved to obtain the polyacrylonitrile/polyvinylidene fluoride/N, N-dimethylformamide spinning solution. 4 percent of tourmaline particles are added into the prepared uniform spinning solution, and the mixture is stirred for 6 hours in water bath at 40 ℃. The electrostatic spinning parameters are as follows: the voltage is 60KV, the receiving distance is 18cm, the rotating speed of the roller is 60r/min, the ambient temperature is 25 ℃, and the ambient relative humidity is 40%.
The base cloth is made of transparent hard perforated PS materials, the covering cloth is made of common nylon gauze, the obtained base cloth/nanofiber membrane/covering cloth is subjected to heat treatment, and finally the gauze is cut and then embedded into a frame to be made into the screen window. The screen window was tested for nanofiber diameter, nanofilm thickness, filtration efficiency, filtration resistance, moisture permeability, air permeability and transparency, and the test data are shown in table 4.
TABLE 4
Example 5:
dissolving polyacrylonitrile and polyvinylidene fluoride with certain mass in N, N-dimethylacetamide, and stirring for 5-8 h until the polyacrylonitrile and the polyvinylidene fluoride are completely dissolved to obtain polyacrylonitrile/polyvinylidene fluoride/N, N-dimethylacetamide spinning solution. Adding 1.5% tourmaline particles into the prepared uniform spinning solution, and stirring for 8h in water bath at 40 deg.C. The electrostatic spinning parameters are as follows: the voltage is 68KV, the receiving distance is 15cm, the rotating speed of the roller is 70r/min, the ambient temperature is 25 ℃, and the ambient relative humidity is 45%.
The base cloth is made of transparent hard perforated PA material, the covering cloth is made of glass fiber gauze, the obtained base cloth/nanofiber membrane/covering cloth is subjected to heat treatment, and finally the gauze is cut and then embedded into a frame to be made into the screen window. The screen window was tested for nanofiber diameter, nanofilm thickness, filtration efficiency, filtration resistance, moisture permeability, air permeability and transparency, and the test data are shown in table 5.
TABLE 5
Example 6:
dissolving a certain amount of polyacrylonitrile and polyvinylidene fluoride in 45g of N, N-dimethylacetamide, and stirring for 5-8 hours until the polyacrylonitrile and the polyvinylidene fluoride are completely dissolved to obtain polyacrylonitrile/polyvinylidene fluoride/N, N-dimethylacetamide spinning solution. Adding 3% tourmaline particles into the prepared uniform spinning solution, and stirring for 4h in water bath at 40 deg.C. The electrostatic spinning parameters are as follows: the voltage is 65KV, the receiving distance is 15cm, the rotating speed of the roller is 50r/min, the ambient temperature is 25 ℃, and the ambient relative humidity is 45%.
The base cloth is made of transparent hard perforated PET material, the covering cloth is made of hard common nylon gauze, the obtained base cloth/nanofiber membrane/covering cloth is subjected to heat treatment, and finally the gauze is cut and embedded into the frame to be made into the screen window. The screen window was tested for nanofiber diameter, nanofilm thickness, filtration efficiency, filtration resistance, moisture permeability, air permeability and transparency, and the test data are shown in table 6.
TABLE 6
Finally, it should be noted that the above-mentioned contents are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, and that the simple modifications or equivalent substitutions of the technical solutions of the present invention by those of ordinary skill in the art can be made without departing from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. A preparation method of a high-light-transmission dustproof screen window material is characterized by comprising the following steps: the high-light-transmission dustproof screen window material consists of a screen, a screen window base material, a nanofiber membrane consisting of nanofiber filaments, a fiber membrane carrier and a photochromic material; the preparation method of the high-light-transmission dustproof screen window material specifically comprises the following steps:
a. freely and uniformly spraying the nanofiber filaments on a screen window substrate in a spinning mode to obtain a nanofiber membrane with uniform thickness;
b. uniformly coating the granular solid hot-pressing adhesive microparticles on the nanofiber membrane obtained in the step a, and covering a layer of screen mesh on the surface layer of the fiber membrane carrier;
c. carrying out thermal bonding at the temperature of 50-300 ℃ and the pressure of 0.1-20 MPa to obtain the nano screen window material;
the nanofiber membrane is composed of non-hydrophilic polymer fibers, is formed by solidifying and bonding countless freely dispersed nanofiber filaments on a fiber membrane carrier, and has 100-1000 nm of nanopores distributed on the surface of the fiber membrane, wherein the porosity is 80-98%;
the nanofiber filament spraying is realized in a mode of repeated relative movement of a spinning nozzle and a receiving device, and the spinning nozzle is any one of a needle-head spinning nozzle and a needle-free spinning nozzle.
2. The method for preparing the high-light-transmission dustproof screen window material according to claim 1, wherein the method comprises the following steps: the uniform coating mode of the hot-pressing glue microparticles is realized by an electrostatic spraying coating mode, the electrostatic spraying voltage is 10-70 kV, the spraying distance is 5-25 cm, and the spraying time is 15-60 s.
3. The method for preparing the high-light-transmission dustproof screen window material according to claim 1, wherein the method comprises the following steps: the screen window base material is a hard perforated or porous material, the mesh number of the screen is 40-200 meshes, and the screen is made of silk or synthetic fibers.
4. The erasable high-light-transmission PM2.5 nanofiber screen window prepared by the preparation method of the high-light-transmission dustproof screen window material as claimed in any one of claims 1 to 3 comprises a frame and a screen embedded in the frame, wherein the screen adopts a hard perforated or porous material as a substrate, and the nanofiber membrane is spun on the surface of the substrate; the preparation method of the screen window comprises the following steps:
a. firstly, preparing an electrostatic spinning solution, adding tourmaline into the spinning solution, stirring to prepare a uniform spinning solution, and carrying out electrostatic spinning;
b. airing the base cloth with the spun nanofiber membrane at room temperature for 12-24 h, and then carrying out edge and internal local ultrasonic bonding treatment by using a transparent hard perforated or porous material as a covering cloth;
c. and finally, cutting the screen mesh and then embedding the screen mesh into the frame to manufacture the screen window.
5. The erasable high optical transmission PM2.5 nanofiber screen window according to claim 4, characterized in that: the transparent hard perforated material is PET, PA, PU, PC or PS, the porous material is ordinary nylon, woven metal wire, PVC or glass fiber gauze, and the surface hole diameter of the transparent hard perforated material or the porous material is 0.1-1 mm.
6. The erasable high optical transmission PM2.5 nanofiber screen window according to claim 4, characterized in that: the electrostatic spinning solution is one or more of polyacrylonitrile, polyvinylidene fluoride, nylon 6, nylon 66, polystyrene and polyurethane, and the solvent used by the electrostatic spinning solution is one or more of high-volatility solvents N, N-dimethylformamide, N-dimethylacetamide, formic acid, acetic acid, methanol, ethanol and acetone.
7. The erasable high optical transmission PM2.5 nanofiber screen window according to claim 4, characterized in that: the preparation method of the erasable high-light-transmission PM2.5 nanofiber screen window comprises the following steps: adding 0.1-5% of tourmaline by mass percent into the prepared uniform electrostatic spinning solution, wherein the size of tourmaline particles is 0.1-1.5 mu m, adding a high molecular solution into a water bath at 40 ℃, stirring for 4-8 h, preparing into a uniform spinning solution, and carrying out electrostatic spinning for 2-5 min to obtain the nano fibers with the diameter of 100-300 nm and the thickness of 15-25 mu m.
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| CN108744772A (en) * | 2018-05-30 | 2018-11-06 | 天津工业大学 | A kind of haze light transmission stealth gauze and preparation method thereof |
| CN111905576A (en) * | 2020-07-14 | 2020-11-10 | 浩明企业有限公司 | Multifunctional nanofiber air filtering membrane |
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|---|---|---|---|---|
| CN104047116A (en) * | 2014-06-18 | 2014-09-17 | 石家庄清康环保科技有限公司 | Haze-proof nano window screen manufacturing method |
| CN104405271A (en) * | 2014-10-20 | 2015-03-11 | 南通百博丝纳米科技有限公司 | Nano window screen |
| CN104906970B (en) * | 2015-06-08 | 2017-04-05 | 上海洁晟环保科技有限公司 | Printing opacity, ventilative, Coulomb repulsion PM2.5 air-filtering membranes and preparation method |
| CN105178835B (en) * | 2015-09-21 | 2017-03-01 | 吴睿 | Anti- PM2.5 nanometer screen window and the preparation method of screen material |
| CN105624922B (en) * | 2015-11-06 | 2019-03-08 | 绿纳科技有限责任公司 | A kind of preparation method of the transparent gauze with PM2.5 fine grained filtering function |
| CN106639844A (en) * | 2016-11-15 | 2017-05-10 | 生纳科技(上海)有限公司 | Anti-haze window gauze and preparation method thereof |
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- 2017-05-23 CN CN201710366583.3A patent/CN107177934B/en active Active
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