CN107177934A - A kind of preparation method of high printing opacity dustproof screen window material and screen window - Google Patents

A kind of preparation method of high printing opacity dustproof screen window material and screen window Download PDF

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Publication number
CN107177934A
CN107177934A CN201710366583.3A CN201710366583A CN107177934A CN 107177934 A CN107177934 A CN 107177934A CN 201710366583 A CN201710366583 A CN 201710366583A CN 107177934 A CN107177934 A CN 107177934A
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CN
China
Prior art keywords
screen window
printing opacity
nanofiber
screen
gauze
Prior art date
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Granted
Application number
CN201710366583.3A
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Chinese (zh)
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CN107177934B (en
Inventor
杨春宇
娄莉华
胡宇鹏
赵晓
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SHANGHAI KEDI NEW MATERIAL TECHNOLOGY Co.,Ltd.
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Shanghai Kedi Environmental Protection Technology Co Ltd
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Priority to CN201710366583.3A priority Critical patent/CN107177934B/en
Publication of CN107177934A publication Critical patent/CN107177934A/en
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Publication of CN107177934B publication Critical patent/CN107177934B/en
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Classifications

    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING 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
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/70Non-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
    • D04H1/72Non-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
    • D04H1/728Non-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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00Layered 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
    • B32B7/04Interconnection of layers
    • B32B7/12Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/0007Electro-spinning
    • D01D5/0061Electro-spinning characterised by the electro-spinning apparatus
    • D01D5/0076Electro-spinning characterised by the electro-spinning apparatus characterised by the collecting device, e.g. drum, wheel, endless belt, plate or grid
    • D01D5/0084Coating 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
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00General methods for the manufacture of artificial filaments or the like
    • D01F1/02Addition of substances to the spinning solution or to the melt
    • D01F1/10Other agents for modifying properties
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING 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
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40Non-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
    • D04H1/42Non-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
    • D04H1/4282Addition polymers
    • D04H1/43Acrylonitrile series
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING 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
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40Non-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
    • D04H1/42Non-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
    • D04H1/4326Condensation or reaction polymers
    • D04H1/4334Polyamides
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING 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
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40Non-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
    • D04H1/42Non-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
    • D04H1/4326Condensation or reaction polymers
    • D04H1/4358Polyurethanes
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/52Devices affording protection against insects, e.g. fly screens; Mesh windows for other purposes

Abstract

The invention discloses a kind of preparation method of high printing opacity dustproof screen window material and screen window, nano fibrous membrane, fiber membrane carrier and the photochromic material that high printing opacity dustproof screen window material is constituted by screen cloth, screen window base material, by nanofiber long filament are constituted.Screen window includes framework and the gauze being embedded in framework, and gauze is punched using a kind of hard or porous material is as base material, and substrate surface spins the nano fibrous membrane.The screen window of the present invention has the advantages that intensity is high and service life is long simultaneously, and it is the dustproof screen window material that a kind of nanofiber is evenly distributed, erasable, good decorating effect, transparency are high, strainability is excellent, and its filter efficiency is 85~99%, filtration resistance is 15~80Pa, transparency is 80~95%, detachably, easy to clean, and can be with turnup, with good market prospects, screen window of the invention can the fine particulates such as effectively anti-PM2.5, and resistance is low, air flow property is good, and wind resistance is excellent.

Description

A kind of preparation method of high printing opacity dustproof screen window material and screen window
Technical field
The invention belongs to technical field of environment protection equipment, it is related to air clearing product, particularly relates to a kind of high printing opacity The preparation method of dustproof screen window material and screen window.
Background technology
With the development of industrial technology so that atmosphere pollution is increasingly severe, under the air quality of people's life is also serious Drop, so that the life of people is also received and had a strong impact on, the especially appearance of haze weather.And suspended particulate substance is not in air Disconnected increase is arch-criminal that haze weather occurs.On the basis of air quality can't be improved quickly, room air is improved Quality becomes particularly necessary.And the exchange of indoor and outdoor air will be realized by window, set for some indoor air cleanings It is standby, the purifying problem of air can not be solved from source, it is difficult to meet the demand of most of users.
The popular screen window that in the market occurs in currently available technology has common nylon, glass fibre, plastics and gold Category braiding gauze etc., conventional gauze mesh size is about 20*20 mesh, and single mesh is 1.27mm*1.27mm, is mainly used to Bulky grain thing is obstructed, but there was only 0~5% to PM2.5 intercepting efficiency.And the various anti-PM2.5 released on the market in recent years Screen window, including milipore filter screen window, nanofiber screen window etc., there are to varying degrees airtight, translucency it is poor or The problems such as PM2.5 intercepting efficiencies are less than 40%, and price is in 350~600 yuan/square meter, and also there is also have for nanofiber screen window The shortcomings of low intensity, short service life.
The content of the invention
The present invention is in order to overcome the shortcomings of that prior art is present, in view of there is provided a kind of filter efficiency for the defect of existing screen window The preparation method of high, the high printing opacity dustproof screen window material that permeability is excellent, light transmission is good and screen window.
The present invention is achieved by the following technical solutions:A kind of preparation method of high printing opacity dustproof screen window material, it is high saturating Nano fibrous membrane that light dustproof screen window material is constituted by screen cloth, screen window base material, by nanofiber long filament, fiber membrane carrier and photic Off-color material is constituted;The preparation method of high printing opacity dustproof screen window material specifically includes following steps:
A, by nanofiber long filament in the way of spinning it is free, be uniformly sprayed on screen window base material, obtain thickness equal Even nano fibrous membrane;
B, granular solids hot pressing glue microparticle is uniformly coated on the nano fibrous membrane obtained in step a, and The Surface mulch last layer screen cloth of fiber membrane carrier;
C, be thermally bonded under conditions of 50~300 DEG C of temperature, 0.1~20MPa of pressure, both nanometer screen material.
Nano fibrous membrane is made up of non-hydrophilic macromolecular fibre silk, and it is consolidated by the countless nanofiber long filaments freely disperseed Change is bonded in what is formed on fiber membrane carrier, 100~1000nm nano-pore in the surface distributed of tunica fibrosa, porosity is 80~98%.The sprinkling of nanofiber long filament is realized by the mode of relative motion repeatedly of spinning head and reception device, spinneret Head is to have syringe needle spinning head and any one in needle-less spinning head.
The even application mode of hot pressing glue microparticle is realized by way of electrostatic spraying is coated, electrostatic spraying voltage For 10~70kV, jet length is 5~25cm, and injecting time is 15~60s.Screen window base material is that a kind of hard is punched or porous material Material, the mesh number of screen cloth is 40~200 mesh, and the material of screen cloth is silk or synthetic fibers.
A kind of preparation that the high printing opacity PM2.5 nanofiber screen windows of erasable are prepared using high printing opacity dustproof screen window material Method, screen window includes framework and the gauze being embedded in framework, and gauze is punched or porous material conduct using a kind of hard Base material, substrate surface spinning nano fibrous membrane;The preparation method of screen window comprises the following steps:
A, electrostatic spinning solution being prepared first, tourmaline being added in spinning solution, it is molten that uniform spinning is made in stirring Liquid, carries out electrostatic spinning;
B, the base fabric that has nano fibrous membrane will be spinned dry in the air at room temperature after 12~24h of system, then punched using clear hard Or porous material carries out edge and internal local ultrasound adhesion process as drop cloth;
C, finally cut out after gauze in embedded framework screen window is made.
Clear hard perforated material is PET, PA, PU, PC or PS, and porous material is common nylon, braided metal silk, PVC Or glass fibre gauze, a diameter of 0.1~1mm of the surface holes of clear hard perforated material or porous material.
Electrostatic spinning solution is used in polyacrylonitrile, Kynoar, nylon 6, nylon66 fiber, polystyrene, polyurethane One or more, the high molecular polymer that electrostatic spinning solution is used is any water insoluble polymerization available for electrostatic spinning The one or more of thing, the solvent that electrostatic spinning solution is used is high volatile solvent DMF, N, N- bis- One or more in methylacetamide, formic acid, acetic acid, methanol, ethanol, acetone.
The tourmaline that mass percent is 0.1~5%, tourmaline are added in obtained homogeneous electrostatic spinning solution is prepared The size of particle is 0.1~1.5 μm, and adds Polymer Solution in 40 DEG C of water-baths and stir 4~8h, is prepared into uniform Spinning solution, carries out electrostatic spinning, and the spinning time is 2~5min, obtains a diameter of 100~300nm of nanofiber, Nanowire The thickness for tieing up film is 15~25 μm.
The high transparent nano fiber Dustproof screen window prepared using high printing opacity dustproof screen window material of the invention includes framework And it is embedded in the nanometer screen material in framework.Using heat bonding processing or local ultrasound adhesion process inside screen window, also may be used Selectively handled according to the usable floor area of actual screen window, and clear hard punching or porous material surface erasable, material color It is changeable, with dicoration.
The beneficial effects of the invention are as follows:, should the present invention relates to a kind of nanometer of screen material and the preparation method of screen window Screen window has the advantages that intensity is high and service life is long simultaneously.The present invention can be prepared strong by selection, improvement spinning technique It is dust-proof that degree height, service life length, nanofiber are evenly distributed, erasable, good decorating effect, transparency height, strainability are excellent Screen material, its filter efficiency is 85~99%, and filtration resistance is 15~80Pa, and transparency is 80~95%, detachably, cleaning It is convenient, and can be with turnup, with good market prospects.Compared with prior art, screen window of the invention can effectively anti-PM2.5 Deng fine particulates, and resistance is low, and air flow property is good, and wind resistance is excellent.In addition, the screen window easy to clean of the present invention, can be used Dry and wet rag wipes out the dust on surface, and Acceptable life is detachable after 1 year, 1 year.
The present invention also has the advantages that:1st, the thickness of Electrospun nano-fibers film is 15~25 μm, Nanowire A diameter of 100~300nm is tieed up, PM2.5 particulate matters, pollen and the winged insect of diameter more than or equal to 2.5 μm etc. can be effectively obstructed;2nd, exist The tourmaline particle that particle diameter is 0.5~1.5 μm, mass percent is 0.5~5% is added in spinning solution, tourmaline is forever Long polarity self power generation polarity most strong material, and its polarization vector will not be influenceed by external electrical field, therefore by tourmaline Add nanometer film in can effectively improve its to PM2.5 absorption property;3rd, the upper and lower surface of screen window of the present invention uses porous material Material combination process is prepared from, and has the advantages that good permeability, erasable and easy to clean;4th, because porous material is that polychrome is high thoroughly Light film, so the high printing opacity screen window of polychrome can be prepared, with dicoration, and does not influence indoor light and the visual field.
Using TSI8130 strainability testers, when NaCl aerosols flow is 32L/Min, screen material yarn of the present invention The filter efficiency of net is 85~99%, and filtration resistance is 15~80Pa, and the translucency of gauze is 80~95%, and gas permeability is 300 ~400Lm-2·s-1, penetrability is 4~11m2·Pa/w。
Brief description of the drawings
Fig. 1 is the nanofiber SEM figures that the embodiment of the present invention 1 is prepared;
Fig. 2 is the nanofiber diameter distribution map that the embodiment of the present invention 1 is prepared.
Embodiment
To become apparent the present invention, preferred embodiment is equipped with, below in conjunction with the drawings and specific embodiments to the present invention It is described in detail.
Embodiment 1:
Certain mass polyacrylonitrile is dissolved in DMF, 5~8h is to being completely dissolved for stirring, obtains poly- third Alkene nitrile/N,N-dimethylformamide spinning solution.0.5% tourmaline particle, 40 DEG C are added in obtained uniform spinning solution is prepared Lower stirring in water bath 3h.Spinning parameter is:Voltage 55-70KV, is received apart from 10-20cm, drum rotation speed is 60r/min, environment temperature Spend for 25 DEG C, envionmental humidity is 45%.
Wherein, base fabric uses glass fibre gauze, and drop cloth uses hard PET perforated materials, by obtained base fabric/Nanowire Dimension film/drop cloth is heat-treated, and screen window is made in embedded framework after being finally cut out to gauze.Test the nanofiber of screen window Diameter, nanometer film thickness, filter efficiency, filtration resistance, penetrability, gas permeability and transparency, test data are as shown in table 1.
Table 1
Embodiment 2:
Certain weight polyacrylonitrile is dissolved in DMF, 5~8h is to being completely dissolved for stirring, obtains polypropylene Nitrile/N,N-dimethylformamide spinning solution.Added in obtained uniform spinning solution is prepared at 1.5% tourmaline particle, 40 DEG C Stirring in water bath 8h.Spinning parameter is:Voltage 70KV, is received apart from 10cm, drum rotation speed is 50r/min, environment temperature is 27 DEG C, envionmental humidity is 45%.
Wherein, base fabric uses common nylon gauze, and drop cloth uses hard PA perforated materials, by obtained base fabric/Nanowire Film/drop cloth heat treatment is tieed up, screen window is made in embedded framework after being finally cut out to gauze.The nanofiber for testing screen window is straight Footpath, nanometer film thickness, filter efficiency, filtration resistance, penetrability, gas permeability and transparency, test data are as shown in table 2.
Table 2
Embodiment 3:
Certain weight poly (vinylidene fluoride) is dissolved in DMF, 5~8h is to being completely dissolved for stirring, obtains poly- third Alkene nitrile/N,N-dimethylformamide spinning solution.Added in obtained uniform spinning solution is prepared at 1% tourmaline particle, 40 DEG C Stirring in water bath 6h.Electrospinning parameters are:Voltage 65KV, is received apart from 12cm, drum rotation speed is 40r/min, and environment temperature is 25 DEG C, envionmental humidity is 40%.
Wherein, base fabric punches PU materials using clear hard, and drop cloth uses common nylon gauze, by obtained base fabric/receive Rice tunica fibrosa/drop cloth is heat-treated, and screen window is made in embedded framework after being finally cut out to gauze.Test the nanometer of screen window Fibre diameter, nanometer film thickness, filter efficiency, filtration resistance, penetrability, gas permeability and transparency, the test data such as institute of table 3 Show.
Table 3
Embodiment 4:
Certain weight polyacrylonitrile and Kynoar are dissolved in DMF, stirring 5~8h to completely it is molten Solution, obtains polyacrylonitrile/Kynoar/DMF spinning solution.Add in obtained uniform spinning solution is prepared Plus 4% tourmaline particle, stirring in water bath 6h at 40 DEG C.Electrospinning parameters are:Voltage 60KV, is received apart from 18cm, roller turns Speed is 60r/min, and environment temperature is 25 DEG C, and envionmental humidity is 40%.
Wherein, base fabric punches PS materials using clear hard, and drop cloth uses common nylon gauze, by obtained base fabric/receive Rice tunica fibrosa/drop cloth is heat-treated, and screen window is made in embedded framework after being finally cut out to gauze.Test the nanometer of screen window Fibre diameter, nanometer film thickness, filter efficiency, filtration resistance, penetrability, gas permeability and transparency, the test data such as institute of table 4 Show.
Table 4
Embodiment 5:
The polyacrylonitrile and Kynoar of certain mass are dissolved in DMA, 5~8h is to complete for stirring Fully dissolved, obtains polyacrylonitrile/Kynoar/DMA spinning solution.The uniform spinning solution obtained in preparation It is middle to add stirring in water bath 8h at 1.5% tourmaline particle, 40 DEG C.Electrospinning parameters are:Voltage 68KV, is received apart from 15cm, Drum rotation speed is 70r/min, and environment temperature is 25 DEG C, and envionmental humidity is 45%.
Wherein, base fabric punches PA materials using clear hard, and drop cloth uses glass fibre gauze, by obtained base fabric/receive Rice tunica fibrosa/drop cloth is heat-treated, and screen window is made in embedded framework after being finally cut out to gauze.Test the nanometer of screen window Fibre diameter, nanometer film thickness, filter efficiency, filtration resistance, penetrability, gas permeability and transparency, the test data such as institute of table 5 Show.
Table 5
Embodiment 6:
Certain weight polyacrylonitrile and Kynoar are dissolved in 45g DMA, 5~8h is to complete for stirring Fully dissolved, obtains polyacrylonitrile/Kynoar/DMA spinning solution.The uniform spinning solution obtained in preparation It is middle to add stirring in water bath 4h at 3% tourmaline particle, 40 DEG C.Electrospinning parameters are:Voltage 65KV, is received apart from 15cm, rolling Cylinder rotating speed is 50r/min, and environment temperature is 25 DEG C, and envionmental humidity is 45%.
Wherein, base fabric using clear hard punch PET material, drop cloth use hard common nylon gauze, by obtained base fabric/ Nano fibrous membrane/drop cloth is heat-treated, and screen window is made in embedded framework after being finally cut out to gauze.Test receiving for screen window Rice fibre diameter, nanometer film thickness, filter efficiency, filtration resistance, penetrability, gas permeability and transparency, the test data such as institute of table 6 Show.
Table 6
Finally it should be noted that above content is merely illustrative of the technical solution of the present invention, rather than to present invention protection The limitation of scope, simple modification or equivalent substitution that one of ordinary skill in the art is carried out to technical scheme, All without departing from the spirit and scope of technical solution of the present invention.

Claims (9)

1. a kind of preparation method of high printing opacity dustproof screen window material, it is characterised in that:The high printing opacity dustproof screen window material is by sieving Net, screen window base material, the nano fibrous membrane being made up of nanofiber long filament, fiber membrane carrier and photochromic material are constituted;It is described The preparation method of high printing opacity dustproof screen window material specifically includes following steps:
A, by the nanofiber long filament in the way of spinning it is free, be uniformly sprayed on screen window base material, obtain thickness equal Even nano fibrous membrane;
B, granular solids hot pressing glue microparticle is uniformly coated on the nano fibrous membrane obtained in step a, and in fiber The Surface mulch last layer screen cloth of membrane carrier;
C, be thermally bonded under conditions of 50~300 DEG C of temperature, 0.1~20MPa of pressure, both the nanometer screen material.
2. a kind of preparation method of high printing opacity dustproof screen window material according to claim 1, it is characterised in that:The nanometer Tunica fibrosa is made up of non-hydrophilic macromolecular fibre silk, and it is to be bonded in fiber by the countless nanofiber long filament solidifications freely disperseed Formed on membrane carrier, 100~1000nm nano-pore in the surface distributed of tunica fibrosa, porosity is 80~98%.
3. a kind of preparation method of high printing opacity dustproof screen window material according to claim 1, it is characterised in that:The nanometer Fiber filament sprinkling is what is realized by the mode of relative motion repeatedly of spinning head and reception device, and spinning head is to have syringe needle spinneret Head and any one in needle-less spinning head.
4. a kind of preparation method of high printing opacity dustproof screen window material according to claim 1, it is characterised in that:The hot pressing The even application mode of glue microparticle is realized by way of electrostatic spraying is coated, the electrostatic spraying voltage be 10~ 70kV, jet length is 5~25cm, and injecting time is 15~60s.
5. a kind of preparation method of high printing opacity dustproof screen window material according to claim 1, it is characterised in that:The screen window Base material is that a kind of hard is punched or porous material, and the mesh number of the screen cloth is 40~200 mesh, and the material of screen cloth is silk or synthesis Fiber.
It is high that 6. the high printing opacity dustproof screen window material of use according to any one of claim 1-5 claim prepares erasable The preparation method of printing opacity PM2.5 nanofiber screen windows, the screen window includes framework and the gauze being embedded in framework, It is characterized in that:The gauze is punched using a kind of hard or porous material is as base material, and substrate surface spins the Nanowire Tie up film;The preparation method of the screen window comprises the following steps:
A, electrostatic spinning solution being prepared first, tourmaline being added in spinning solution, uniform spinning solution is made in stirring, enters Row electrostatic spinning;
B, the base fabric that has nano fibrous membrane will be spinned dry in the air at room temperature after 12~24h of system, then using clear hard punching or many Porous materials carry out edge and internal local ultrasound adhesion process as drop cloth;
C, finally cut out after gauze in embedded framework the screen window is made.
7. the preparation method of the high printing opacity PM2.5 nanofiber screen windows of erasable according to claim 6, its feature exists In:The clear hard perforated material be PET, PA, PU, PC or PS, the porous material be common nylon, braided metal silk, A diameter of 0.1~the 1mm of surface holes of PVC or glass fibre gauze, the clear hard perforated material or porous material.
8. the preparation method of the high printing opacity PM2.5 nanofiber screen windows of erasable according to claim 6, its feature exists In:The electrostatic spinning solution uses one in polyacrylonitrile, Kynoar, nylon 6, nylon66 fiber, polystyrene, polyurethane Plant or several, the solvent that the electrostatic spinning solution is used is high volatile solvent DMF, N, N- diformazans One or more in yl acetamide, formic acid, acetic acid, methanol, ethanol, acetone.
9. the preparation method of the high printing opacity PM2.5 nanofiber screen windows of erasable according to claim 6, its feature exists In:The tourmaline that mass percent is 0.1~5% is added in obtained homogeneous electrostatic spinning solution is prepared, tourmaline particle Size is 0.1~1.5 μm, and adds Polymer Solution in 40 DEG C of water-baths and stir 4~8h, is prepared into uniform spinning molten Liquid, carries out electrostatic spinning, and the spinning time is 2~5min, obtains a diameter of 100~300nm of nanofiber, nano fibrous membrane Thickness is 15~25 μm.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN109183276A (en) * 2017-09-29 2019-01-11 曾林涛 A kind of high light transmission height is breathed freely micro-nano anti-haze screen window

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