CN107605388A - A kind of composite nano fiber haze screen window and preparation method thereof - Google Patents
A kind of composite nano fiber haze screen window and preparation method thereof Download PDFInfo
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- CN107605388A CN107605388A CN201710965652.2A CN201710965652A CN107605388A CN 107605388 A CN107605388 A CN 107605388A CN 201710965652 A CN201710965652 A CN 201710965652A CN 107605388 A CN107605388 A CN 107605388A
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- screen window
- nano fiber
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- 239000002121 nanofiber Substances 0.000 title claims abstract description 60
- 239000002131 composite material Substances 0.000 title claims abstract description 48
- 238000002360 preparation method Methods 0.000 title abstract description 5
- 238000007731 hot pressing Methods 0.000 claims abstract description 17
- 150000001875 compounds Chemical class 0.000 claims abstract description 15
- 238000000151 deposition Methods 0.000 claims abstract description 5
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 5
- 238000009987 spinning Methods 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 10
- 239000000835 fiber Substances 0.000 claims description 9
- 229920002521 macromolecule Polymers 0.000 claims description 8
- 229920000642 polymer Polymers 0.000 claims description 8
- 238000002834 transmittance Methods 0.000 claims description 8
- 239000004743 Polypropylene Substances 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 7
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 7
- -1 polypropylene Polymers 0.000 claims description 7
- 229920001155 polypropylene Polymers 0.000 claims description 7
- 229920002635 polyurethane Polymers 0.000 claims description 7
- 239000004814 polyurethane Substances 0.000 claims description 7
- 229920002301 cellulose acetate Polymers 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000010041 electrostatic spinning Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 5
- 239000004952 Polyamide Substances 0.000 claims description 4
- 229920002647 polyamide Polymers 0.000 claims description 4
- 239000004677 Nylon Substances 0.000 claims description 3
- 229920004933 Terylene® Polymers 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 2
- 239000002657 fibrous material Substances 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims 3
- 239000012528 membrane Substances 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000003756 stirring Methods 0.000 description 5
- 238000005457 optimization Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 229920002292 Nylon 6 Polymers 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 239000002070 nanowire Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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- Nonwoven Fabrics (AREA)
Abstract
The invention discloses a kind of composite nano fiber haze screen window and preparation method thereof, haze screen window includes screen window basic unit, nanofiber film layer and nonwoven layer；Nanofiber film layer is deposited on nonwoven fabric surface and forms composite bed, and the screen window is prepared by screen window basic unit and composite bed by the way that hot pressing is compound.The advantages of invention, is：By on nonwoven layer depositing nanofibers film layer realize haze, then the mechanical strength of whole screen window is improved by screen window basic unit in hot pressing.
Description
Technical field
The present invention relates to the screen window technical field of haze, more particularly to a kind of composite nano fiber haze screen window and its
Preparation method.
Background technology
The rapid development of industrial society generates huge destruction while bringing convenient to ecological environment, its
Air Contamination is particularly problematic.According to the relevant departments of the investigation show that China big and medium-sized cities whole year the number of days of haze weather occurs all
More than 100 days, PM2.5 contents remain high, indivedual number of days even occur it is quick-fried performance as.Haze weather has a strong impact on people's
Physical and mental health, most people can be reduced when haze weather is more serious goes out, but logical even if being also required to windowing indoors
Gas, common screen window can not be prevented as fine particulates such as pollen, dust, tail gas due to its larger fenestral porosity.It is existing
The mechanical strength of the screen window of some hazes is poor, and the resultant effect as haze screen window is undesirable, therefore there is an urgent need to open
The screen material of haze can effectively be prevented by sending out a while having good light transmission ventilation concurrently.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, can not good haze it is an object of the invention to existing screen window
Or the problem of light transmission ventilation is bad, and also stress intensity is poor, therefore, a kind of composite nano fiber of present invention offer is antifog
Haze screen window and preparation method thereof.
To achieve the above object, the present invention uses following technical scheme：
A kind of composite nano fiber haze screen window, including screen window basic unit, nanofiber film layer and nonwoven layer；Nanometer
Fiber film layer is deposited on nonwoven fabric surface and forms composite bed；The screen window passes through the compound system of hot pressing by screen window basic unit and composite bed
It is standby to form.
Optimization, the nonwoven layer is arranged between screen window basic unit and nanofiber film layer.
Optimization, the thickness of the nanofiber film layer is 0.1-10 μm.
Optimization, institute's nonwoven layer is that grammes per square metre is 15-20g/m, and filtration resistance is less than 10Pa, and light transmittance is more than 80%
Uniform non-woven cloth.
Optimization, the material of the screen window basic unit is nylon, one kind in terylene, polypropylene fibre, glass, the Niemi undulation degree
Expect for one kind in polyamide, polyurethane, cellulose acetate, polyacrylonitrile.
The method for preparing above-mentioned composite nano fiber haze screen window, comprises the following steps：
S1, using electrostatic spinning process nonwoven fabric surface depositing nanofibers film layer formed composite bed；To continuously it roll up
Around nonwoven layer as receiving terminal, the macromolecule polymer solution of modulation is deposited to form nanofiber film layer on its surface,
Spinning technology parameter is adjusted to control the thickness of the diameter of nanofiber, distribution and fiber film layer；
S2, composite bed and the hot pressing of screen window basic unit；By the coiled step S1 composite beds obtained and coiled screen window basic unit one
Rise compound by upper pressure roller and lower compression roller progress setting up and down.
Spinning voltage scope is 10-50kV in the step S1.
A diameter of 0.1-0.5 μm of nanofiber in the step S1 in macromolecule polymer solution.
The surface temperature range of upper pressure roller and lower compression roller is 75-160 DEG C in the step S2.
The macromolecule polymer solution modulated in the step S1 is polyamide, polyurethane, cellulose acetate, polyacrylonitrile
In one kind.
The step of macromolecule polymer solution modulated in step sl, for spinning solution raw material are dissolved, stirs at normal temperatures
Mix 18-30h, the concentration of the macromolecule polymer solution of acquisition is 12-20wt%, and spinning distance is 25-30cm, and the spinning time is
30-50min, deposition forms nanofiber film layer on nonwoven layer.
The mesh number scope of the screen window basic unit used in step s 2 is 30-50, and upper pressure roller and lower compression roller are applied to two pressure rollers
Between the pressure limit for treating hot pressing part between 50N-80N, the feeding speed of upper pressure roller and lower compression roller is 0.8-1m/min.
The advantage of the invention is that：
1. the haze screen window in the present invention includes screen window basic unit, nanofiber film layer and nonwoven layer, by non-
Depositing nanofibers film layer realizes haze on woven layer, then improves whole screen window by screen window basic unit in hot pressing
Mechanical strength.
2. the nonwoven layer in the present invention is arranged between screen window basic unit and nanofiber film layer, screen window basic unit is set
Gradually increase close to air side to be filtered, screen window basic unit, nonwoven layer, the filter effect of nanofiber film layer, so as to
Ensure that each filter layer can play a role.
3. the thickness of thin of nanofiber film layer in the present invention, improved in the case where material is certain screen window gas permeability and
Translucency.
4. the nonwoven layer that the present invention uses provides the foundation for the highly-breathable and high light transmittance of haze screen window.
5. the method for preparing composite nano fiber haze screen window is convenient, simple.
Brief description of the drawings
Fig. 1 is a kind of section structure diagram of composite nano fiber haze screen window of the present invention.
1- screen windows basic unit 2- nonwoven layer 3- nanofiber film layers
Embodiment
As shown in figure 1, a kind of composite nano fiber haze screen window, including screen window basic unit 1, nanofiber film layer 3 and non-
Woven layer 2；Nanofiber film layer 3 is deposited on nonwoven fabric surface and forms composite bed, and the screen window is by screen window basic unit 1 and compound
Layer is prepared by the way that hot pressing is compound.
The nonwoven layer 2 is arranged between screen window basic unit 1 and nanofiber film layer 3.
The thickness of the nanofiber film layer 3 is 0.1-10 μm.
Institute's nonwoven layer 2 is that grammes per square metre is 15-20g/m, and filtration resistance is less than 10Pa, and light transmittance is uniform non-more than 80%
Woven cloths.
The material of the screen window basic unit 1 is one kind in nylon, terylene, polypropylene fibre, glass, and the Niemi fibrous material is poly-
One kind in acid amides, polyurethane, cellulose acetate, polyacrylonitrile.
The method for preparing above-mentioned haze screen window has following embodiment.
Embodiment 1
It is 12wt% cellulose acetate spinning that secondary cellulose acetate sheets, which are dissolved in stirring at normal temperature 24h in 80% acetum to prepare concentration,
Liquid, the spinning solution is poured into syringe pump and carries out electrostatic spinning, it is 10kV control spinning voltage, and spinning is apart from being 30cm, during spinning
Between be 30min, grammes per square metre be 20g/m spunbond polypropylene nonwoven layer of cloth 2 surface deposit thickness be about 10 μm Nanowire
Tie up film layer 3 and form composite bed；A diameter of 0.1-0.5 of nanofiber in the nanofiber film layer 3 that the spinning solution eventually forms
μm, compound as screen window basic unit 1 and the online hot pressing of composite bed progress from the white screen window that mesh number is 40 afterwards, hot pressing is compound
When, intermediate layer is nonwoven layer 2.Roller temperature is 150 DEG C in adjustment, pushes roll temperature as 80 DEG C, platen pressure 80N,
It is 1m/min to send volume speed.Novel composite nano fiber haze screen window is produced after final screen window winding is collected, after tested should
Screen window is 95% to PM2.5 filter efficiencies, filtration resistance 247Pa, light transmittance 79%.
Embodiment 2
It is 15wt% polyamide 6 spinning that polyamide 6, which is dissolved in stirring at normal temperature 18h in 90% formic acid solution to prepare concentration,
Liquid, the spinning solution is poured into syringe pump and carries out electrostatic spinning, it is 18kV control spinning voltage, and spinning is apart from being 25cm, during spinning
Between be 40min, grammes per square metre be 15g/m spunbond polypropylene nonwoven layer of cloth 2 surface deposit thickness be about 5 μm nanofiber
Film layer 3 forms composite bed；A diameter of 0.1-0.5 μ of nanofiber in the nanofiber film layer 3 that the spinning solution eventually forms
M, afterwards from the black screen window that mesh number is 30 as screen window basic unit 1 and the online hot pressing of composite bed progress compound, hot pressing compound tense,
Intermediate layer is nonwoven layer 2.Roller temperature is 153 DEG C in adjustment, pushes roll temperature as 82 DEG C, platen pressure 70N, send volume
Speed is 1m/min.Novel composite nano fiber haze screen window is produced after final composite window screen winding is collected, after tested should
Screen window is 92% to PM2.5 filter efficiencies, filtration resistance 258Pa, light transmittance 82%.
Embodiment 3
It is 1 that polyurethane is dissolved in into proportioning:It is 18wt% that stirring at normal temperature 20h, which prepares concentration, in 3 DMF/THF complex solvents
Polyurethane spinning solution, the spinning solution is poured into syringe pump and carries out electrostatic spinning, it is 30kV to control spinning voltage, and spinning distance is
26cm, spinning time are 45min, are about in the surface deposit thickness for the spunbond polypropylene nonwoven layer of cloth 2 that grammes per square metre is 18g/m
0.1 μm of nanofiber film layer 3 forms composite bed；Nanofiber in the nanofiber film layer 3 that the spinning solution eventually forms
A diameter of 0.1-0.5 μm, carry out online hot pressing as screen window basic unit 1 and composite bed from the white screen window that mesh number is 50 afterwards
Compound, hot pressing compound tense, intermediate layer is nonwoven layer 2.Roller temperature is 160 DEG C in adjustment, pushes roll temperature as 75 DEG C, pressure
Roller pressure is 50N, and it is 0.8m/min to send volume speed.Novel composite nano fiber is produced after final composite window screen winding is collected to prevent
Haze screen window, the screen window is 96% to PM2.5 filter efficiencies after tested, filtration resistance 275Pa, light transmittance 75%.
Embodiment 4
Polyacrylonitrile is dissolved in stirring at normal temperature 30h in 95% DMF solvent and prepares concentration as the spinning of 20wt% polyacrylonitrile
Silk liquid, the spinning solution is poured into syringe pump and carries out electrostatic spinning, it is 50kV control spinning voltage, and spinning is apart from being 30cm, spinning
Time is 50min, the Nanowire for being about 2 μm in the surface deposit thickness for the spunbond polypropylene nonwoven layer of cloth 2 that grammes per square metre is 20g/m
Tie up film layer 3 and form composite bed；A diameter of 0.1-0.5 of nanofiber in the nanofiber film layer 3 that the spinning solution eventually forms
μm, carried out afterwards from the white screen window that mesh number is 35 as the above-mentioned nano combined non-woven cloth of screen window basic unit 1 and composite bed
Line hot pressing is compound, hot pressing compound tense, and intermediate layer is nonwoven layer 2.Roller temperature is 154 DEG C in adjustment, and pushing roll temperature is
83 DEG C, platen pressure 80N, it is 1m/min to send volume speed.Novel composite nano is produced after final composite window screen winding is collected
Fiber haze screen window, the screen window is 96% to PM2.5 filter efficiencies after tested, filtration resistance 263Pa, and light transmittance is
78%.
The preferred embodiment of the invention is these are only, is not intended to limit the invention creation, it is all in the present invention
All any modification, equivalent and improvement made within the spirit and principle of creation etc., should be included in the guarantor of the invention
Within the scope of shield.
Claims (10)
- A kind of 1. composite nano fiber haze screen window, it is characterised in that including screen window basic unit (1), nanofiber film layer (3) and Nonwoven layer (2)；Nanofiber film layer (3) is deposited on nonwoven fabric surface and forms composite bed, and the screen window is by screen window basic unit (1) it is prepared with composite bed by the way that hot pressing is compound.
- A kind of 2. composite nano fiber haze screen window according to claim 1, it is characterised in that the nonwoven layer (2) it is arranged between screen window basic unit (1) and nanofiber film layer (3).
- A kind of 3. composite nano fiber haze screen window according to claim 1, it is characterised in that the nano fibrous membrane The thickness of layer (3) is 0.1-10 μm.
- A kind of 4. composite nano fiber haze screen window according to claim 1, it is characterised in that institute's nonwoven layer (2) it is that grammes per square metre is 15-20g/m, filtration resistance is less than 10Pa, and light transmittance is more than 80% uniform non-woven cloth.
- A kind of 5. composite nano fiber haze screen window according to claim 1, it is characterised in that the screen window basic unit (1) material is one kind in nylon, terylene, polypropylene fibre, glass, and the Niemi fibrous material is polyamide, polyurethane, acetic acid fibre One kind in dimension element, polyacrylonitrile.
- 6. prepare the method for the composite nano fiber haze screen window as described in claim 1-5 any one, it is characterised in that Comprise the following steps：S1, using electrostatic spinning process nonwoven layer (2) surface depositing nanofibers film layer (3) formed composite bed；Will Continuous winding nonwoven layer (2) is used as receiving terminal, and the macromolecule polymer solution of modulation is deposited to form nanometer on its surface Fiber film layer (3), spinning technology parameter is adjusted to control the thickness of the diameter of nanofiber, distribution and fiber film layer；S2, composite bed and screen window basic unit (1) hot pressing；By the coiled step S1 composite beds obtained and coiled screen window basic unit (1) Carried out together by upper pressure roller and lower compression roller setting up and down compound.
- 7. the method according to claim 6 for preparing composite nano fiber haze screen window, it is characterised in that the step Spinning voltage scope is 10-50kV in S1.
- 8. the method according to claim 6 for preparing composite nano fiber haze screen window, it is characterised in that the step A diameter of 0.1-0.5 μm of nanofiber in S1 in macromolecule polymer solution.
- 9. the method according to claim 6 for preparing composite nano fiber haze screen window, it is characterised in that the step The surface temperature range of upper pressure roller and lower compression roller is 75-160 DEG C in S2.
- 10. the method according to claim 6 for preparing composite nano fiber haze screen window, it is characterised in that the step The macromolecule polymer solution modulated in rapid S1 is polyamide, one kind in polyurethane, cellulose acetate, polyacrylonitrile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710965652.2A CN107605388A (en) | 2017-10-17 | 2017-10-17 | A kind of composite nano fiber haze screen window and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710965652.2A CN107605388A (en) | 2017-10-17 | 2017-10-17 | A kind of composite nano fiber haze screen window and preparation method thereof |
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| Publication Number | Publication Date |
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| CN107605388A true CN107605388A (en) | 2018-01-19 |
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| CN201710965652.2A Pending CN107605388A (en) | 2017-10-17 | 2017-10-17 | A kind of composite nano fiber haze screen window and preparation method thereof |
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Cited By (2)
| 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 |
| CN110863767A (en) * | 2018-08-27 | 2020-03-06 | 汪禹谌 | Waterproof anti-haze screen window and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405271A (en) * | 2014-10-20 | 2015-03-11 | 南通百博丝纳米科技有限公司 | Nano window screen |
| CN106988018A (en) * | 2017-05-26 | 2017-07-28 | 江苏久朗高科技股份有限公司 | The continuous production device and production technology of a kind of composite film material haze window screening |
-
2017
- 2017-10-17 CN CN201710965652.2A patent/CN107605388A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405271A (en) * | 2014-10-20 | 2015-03-11 | 南通百博丝纳米科技有限公司 | Nano window screen |
| CN106988018A (en) * | 2017-05-26 | 2017-07-28 | 江苏久朗高科技股份有限公司 | The continuous production device and production technology of a kind of composite film material haze window screening |
Cited By (2)
| 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 |
| CN110863767A (en) * | 2018-08-27 | 2020-03-06 | 汪禹谌 | Waterproof anti-haze screen window and preparation method thereof |
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Application publication date: 20180119 |