CN107261690A - A kind of air-filtering membrane for stopping haze particle and preparation method thereof, purposes - Google Patents

A kind of air-filtering membrane for stopping haze particle and preparation method thereof, purposes Download PDF

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Publication number
CN107261690A
CN107261690A CN201710564238.0A CN201710564238A CN107261690A CN 107261690 A CN107261690 A CN 107261690A CN 201710564238 A CN201710564238 A CN 201710564238A CN 107261690 A CN107261690 A CN 107261690A
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CN
China
Prior art keywords
air
filtering
filtering membrane
electrostatic spinning
solution
Prior art date
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CN201710564238.0A
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Chinese (zh)
Inventor
李更生
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南京东尔电气技术有限公司
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Priority to CN201710564238.0A priority Critical patent/CN107261690A/en
Publication of CN107261690A publication Critical patent/CN107261690A/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0001Making filtering elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0002Casings; Housings; Frame constructions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0027Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/54Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms
    • B01D46/543Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms using membranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/54Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms
    • B01D46/546Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms using nano- or microfibres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/22Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
    • B01D53/228Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion characterised by specific membranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04Additives and treatments of the filtering material
    • B01D2239/0407Additives and treatments of the filtering material comprising particulate additives, e.g. adsorbents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/70Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/704Solvents not covered by groups B01D2257/702 - B01D2257/7027

Abstract

The invention discloses a kind of preparation method for the air-filtering membrane for stopping haze particle, comprise the following steps:A, the one or more in makrolon, polyvinyl alcohol, polyacrylonitrile, polyvinyl chloride, polystyrene, polyvinylpyrrolidone, nylon, polyimides, polypropylene, polymethyl methacrylate, polyethylene, polyacrylic acid, polyethylene terephthalate, polyvinyl butyral resin are configured to polymer solution, chemical addition agent is added simultaneously, and stirring becomes equally distributed solution;B, the solution for obtaining above-mentioned stirring are transferred to the syringe spout of electrostatic spinning machine, adjust the humidity of electrospinning environment<30%, positive or negative high voltage value, fltting speed, the reception distance of electrostatic spinning are adjusted, the spinning time, the homogeneous air-filtering membrane of thickness is finally given.The present invention can improve the deficiencies in the prior art, have obvious iris action to PM2.5 particles.

Description

A kind of air-filtering membrane for stopping haze particle and preparation method thereof, purposes
Technical field
The present invention relates to environmental technology field, especially a kind of air-filtering membrane for stopping haze particle and its preparation side Method, purposes.
Background technology
It is well known that haze weather is a kind of atmosphere pollution state, haze is to various suspended particulate substance contents in air Exceeded general statement, especially PM2.5(Equivalent aerodynamic diameter is less than or equal to 2.5 microns of particulate matter)It is considered as " arch-criminal " for causing haze weather.With the deterioration of air quality, thick weather phenomenon increases, and harm is aggravated.There is report In display, 500 cities of Largest In China, the air quality mark of world health organisation recommendations is reached only less than 1% city Standard, at the same time, 10 cities of most serious are polluted in the world has 7 in China.
Because the floating particle thing diameter of tiny granular in haze is general below 0.01 micron, can directly be by breathing System enters bronchus, or even lung.So, what haze influenceed maximum is exactly the respiratory system of people, influence of the air pollution to health And prevent and treat also more and more of interest by people.Unsmooth breath when traditional haze mouth mask is worn, is not suitable for indoor long-term Wear;And air cleaning instrument cost in the market is higher, extremely consume energy, it is impossible to realize the air exchange of indoor and outdoor, cause Room air does not circulate.Therefore, seek a kind of safety measure more easily and effectively, applied widely to prevent haze particle pair The generation harm of human respiratory is with very great meaning.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of air-filtering membrane for stopping haze particle and preparation method thereof, use On the way, the deficiencies in the prior art are can solve the problem that, not only there is obvious iris action to PM2.5 particles, to the evil gas in air Formaldehyde etc. all has fairly obvious filtration, and air-filtering membrane size prepared by this method is controllable, vdiverse in function, can be big Area is produced.
In order to solve the above technical problems, the technical solution used in the present invention is as follows.
A kind of preparation method for the air-filtering membrane for stopping haze particle, comprises the following steps:
A, by makrolon, polyvinyl alcohol, polyacrylonitrile, polyvinyl chloride, polystyrene, polyvinylpyrrolidone, nylon, polyamides Imines, polypropylene, polymethyl methacrylate, polyethylene, polyacrylic acid, polyethylene terephthalate, polyvinyl alcohol contracting One or more in butyraldehyde are configured to polymer solution, while adding chemical addition agent, stirring becomes equally distributed Solution;
B, the solution for obtaining above-mentioned stirring are transferred to the syringe spout of electrostatic spinning machine, adjust the humidity of electrospinning environment<30%, Positive or negative high voltage value, fltting speed, the reception distance of electrostatic spinning are adjusted, the spinning time, the homogeneous air mistake of thickness is finally given Filter membrane.
Preferably, the addition of polymer is 20wt%~70wt% in polymer solution.
Preferably, the chemical addition agent is titanium dioxide, one kind or its mixture in zinc oxide, chemical addition agent Addition be 10wt%~40wt%.
Preferably, in electrostatic spinning operation, the needle diameter of the syringe nozzle of electrostatic spinning machine for 0.1mm~ 1mm, the scope of positive or negative high voltage is 0~30kV, injects speed for 0.001m/s~10m/s.
A kind of air-filtering membrane for stopping haze particle, uses the preparation side of the air-filtering membrane of above-mentioned stop haze particle Method is prepared from.
Preferably, a diameter of 2~10 μm of contained polymer fiber in air-filtering membrane, additive granules it is a diameter of 1~10 μm.
A kind of air-filtering window, the air-filtering membrane for possessing above-mentioned stop haze particle.
Preferably, air-filtering window has very high mechanical strength, there is obvious barrier to haze particle and formaldehyde Effect.
A kind of manufacture method of air-filtering window, comprises the following steps:
A, by makrolon, polyvinyl alcohol, polyacrylonitrile, polyvinyl chloride, polystyrene, polyvinylpyrrolidone, nylon, polyamides Imines, polypropylene, polymethyl methacrylate, polyethylene, polyacrylic acid, polyethylene terephthalate, polyvinyl alcohol contracting One or more in butyraldehyde are configured to polymer solution, while adding chemical addition agent, stirring becomes equally distributed Solution;
B, the solution for obtaining above-mentioned stirring are transferred to the syringe spout of electrostatic spinning machine, adjust the humidity of electrospinning environment<30%, Adjust the positive or negative high voltage value of electrostatic spinning, fltting speed, receive distance, substrate is added in receiver one end, control electrostatic spinning Time, obtain with support hardness air-filtering membrane;
C, will obtain have support hardness air-filtering membrane be fixed to solid frame on, be fabricated to air-filtering window.
Preferably, the addition of polymer is 20wt%~70wt% in the polymer solution.
Preferably, the chemical addition agent is titanium dioxide, one kind or its mixture in zinc oxide, chemical addition agent Addition be 10wt%~40wt%.
Preferably, in electrostatic spinning operation, the needle diameter of the syringe nozzle of electrostatic spinning machine for 0.1mm~ 1mm, the scope of positive or negative high voltage is 0~30kV, injects speed for 0.001m/s~10m/s.
Preferably, the syringe spout of electrostatic spinning machine is vertical with receiving substrate, the fiber sprayed from syringe nozzle Angle with substrate is 40~70 degree.
Preferably, substrate is the porous material of wire netting or plastic matrix.
Preferably, substrate is aluminium net or copper mesh.
The beneficial effect brought using above-mentioned technical proposal is:The filter membrane that the present invention is provided is in haze air PM1 particles, PM2.5 particles, PM10 particles and formaldehyde etc. all have fairly obvious barrier effect, and can be according to difference Demand add different additives, such as addition titanium dioxide can strengthen the mechanical strength of filtering window, compared to existing market Filter membrane used in upper can realize obvious technological progress.In addition, the air-filtering membrane of the present invention can be produced with large area, Door and window is fabricated to, is had wide range of applications, with universality.
Brief description of the drawings
Fig. 1 is the SEM figures of the air-filtering membrane prepared by the embodiment of the present invention 1.
Fig. 2 is the SEM figures of the air-filtering membrane prepared by the embodiment of the present invention 2.
Fig. 3 is the SEM figures of the air-filtering membrane prepared by the embodiment of the present invention 3.
Fig. 4 is the finished figure of the air-filtering window prepared by the embodiment of the present invention 4.
Fig. 5 is the finished figure of the air-filtering window prepared by the embodiment of the present invention 5.
Fig. 6 is that barrier of the air-filtering membrane to the every pollution parameters of haze air prepared by 1-5 of the embodiment of the present invention is imitated Fruit comparison diagram.
Embodiment
With reference to embodiment, the present invention is described in detail, so that those skilled in the art more fully understand this hair It is bright, but the invention is not limited in following examples.
Embodiment 1
(1)Polyvinylpyrrolidone is dissolved in water, the polymer solution that mass fraction is 40% is configured to, stirring becomes The solution of even distribution;
(2)The solution that above-mentioned stirring is obtained is transferred to the syringe spout of electrostatic spinning machine, adjusts the humidity of electrospinning environment<30%, The positive or negative high voltage value of regulation electrostatic spinning is that 7kV, fltting speed are 0.05m/s, spinning time 2 h, finally gives thickness equal One air-filtering membrane.
Embodiment 2
(1)Polyvinyl alcohol is dissolved in water, the polymer solution that mass fraction is 60% is configured to, stirring, which becomes, to be uniformly distributed Solution;
(2)The solution that above-mentioned stirring is obtained is transferred to the syringe spout of electrostatic spinning machine, adjusts the humidity of electrospinning environment<30%, The positive or negative high voltage value of regulation electrostatic spinning is that 11kV, fltting speed are 0.2m/s, spinning time 4 hours, finally gives thickness equal One air-filtering membrane.
Embodiment 3
(1)Polyvinylpyrrolidone is dissolved in water, the polymer solution that mass fraction is 50% is configured to, adds 20%(Quality point Number)Titanium dioxide, stirring become equally distributed solution;
(2)The solution that above-mentioned stirring is obtained is transferred to the syringe spout of electrostatic spinning machine, adjusts the humidity of electrospinning environment<30%, The positive or negative high voltage value of regulation electrostatic spinning is that 15kV, fltting speed are 0.1m/s, spinning time 3 hours, finally gives thickness equal One air-filtering membrane.
Embodiment 4
(1)Polyvinylpyrrolidone is dissolved in water, the polymer solution that mass fraction is 50% is configured to, adds 30%(Quality point Number)Zinc oxide, stirring become equally distributed solution;
(2)The solution that above-mentioned stirring is obtained is transferred to the syringe spout of electrostatic spinning machine, adjusts the humidity of electrospinning environment<30%, The positive or negative high voltage value of regulation electrostatic spinning is that 18kV, fltting speed are 0.15m/s, spinning time 3 hours;
(3)Aluminium net is added in receiver one end, the 3 hours time of electrostatic spinning is controlled, the sky with certain support hardness is obtained Gas filter membrane;
(4)The obtained air filtration with certain support hardness is fixed in solid frame, haze can be stopped by being fabricated to The air-filtering window of grain.
The 5th embodiment of the present invention, described polymer solution is makrolon, and recipient one end with the addition of substrate (Copper mesh), speed is injected for 0.15m/s, positive or negative high voltage is 18kV, wherein the mass fraction of makrolon is 50%, additive two The amount of titanium oxide is 10%(Mass fraction), the resulting air-filtering membrane with supporting degree is assembled into filtering window.
Embodiment 5
(1)Makrolon is dissolved in water, the polymer solution that mass fraction is 50% is configured to, adds 10%(Mass fraction)Two Titanium oxide, stirring becomes equally distributed solution;
(2)The solution that above-mentioned stirring is obtained is transferred to the syringe spout of electrostatic spinning machine, adjusts the humidity of electrospinning environment<30%, The positive or negative high voltage value of regulation electrostatic spinning is that 18kV, fltting speed are 0.15m/s, spinning time 3 hours;
(3)Aluminium net is added in receiver one end, the 3 hours time of electrostatic spinning is controlled, the sky with certain support hardness is obtained Gas filter membrane;
(4)The obtained air filtration with certain support hardness is fixed in solid frame, haze can be stopped by being fabricated to The air-filtering window of grain.
In the description of the invention, it is to be understood that term " longitudinal direction ", " transverse direction ", " on ", " under ", "front", "rear", The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on accompanying drawing institutes The orientation or position relationship shown, is for only for ease of the description present invention, rather than indicate or imply that the device or element of meaning must There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its Equivalent thereof.

Claims (15)

1. a kind of preparation method for the air-filtering membrane for stopping haze particle, it is characterised in that comprise the following steps:
A, by makrolon, polyvinyl alcohol, polyacrylonitrile, polyvinyl chloride, polystyrene, polyvinylpyrrolidone, nylon, polyamides Imines, polypropylene, polymethyl methacrylate, polyethylene, polyacrylic acid, polyethylene terephthalate, polyvinyl alcohol contracting One or more in butyraldehyde are configured to polymer solution, while adding chemical addition agent, stirring becomes equally distributed Solution;
B, the solution for obtaining above-mentioned stirring are transferred to the syringe spout of electrostatic spinning machine, adjust the humidity of electrospinning environment<30%, Positive or negative high voltage value, fltting speed, the reception distance of electrostatic spinning are adjusted, the spinning time, the homogeneous air mistake of thickness is finally given Filter membrane.
2. the preparation method of the air-filtering membrane according to claim 1 for stopping haze particle, it is characterised in that:It is described poly- The addition of polymer is 20wt%~70wt% in polymer solution.
3. the preparation method of the air-filtering membrane according to claim 1 for stopping haze particle, it is characterised in that:Describedization It is one kind or its mixture in titanium dioxide, zinc oxide to learn additive, and the addition of chemical addition agent is 10wt%~40wt%.
4. the preparation method of the air-filtering membrane according to claim 1 for stopping haze particle, it is characterised in that:Static Spinning In silk operation, the needle diameter of the syringe nozzle of electrostatic spinning machine is 0.1mm~1mm, the scope of positive or negative high voltage for 0~ 30kV, injects speed for 0.001m/s~10m/s.
5. a kind of air-filtering membrane for stopping haze particle, it is characterised in that:In usage right requirement 1~4 described in any one Stop that the preparation method of the air-filtering membrane of haze particle is prepared from.
6. the air-filtering membrane according to claim 5 for stopping haze particle, it is characterised in that:It is contained in air-filtering membrane A diameter of 2~10 μm of polymer fiber, a diameter of 1~10 μm of additive granules.
7. a kind of air-filtering window, it is characterised in that:Possesses the air filtration of the stop haze particle described in claim 5 or 6 Film.
8. air-filtering window according to claim 7, it is characterised in that:Air-filtering window has preferable mechanical strength, There is obvious iris action to the formaldehyde in air and PM2.5 particles simultaneously.
9. a kind of manufacture method of air-filtering window, it is characterised in that:Comprise the following steps:
A, by makrolon, polyvinyl alcohol, polyacrylonitrile, polyvinyl chloride, polystyrene, polyvinylpyrrolidone, nylon, polyamides Imines, polypropylene, polymethyl methacrylate, polyethylene, polyacrylic acid, polyethylene terephthalate, polyvinyl alcohol contracting One or more in butyraldehyde are configured to polymer solution, while adding chemical addition agent, stirring becomes equally distributed Solution;
B, the solution for obtaining above-mentioned stirring are transferred to the syringe spout of electrostatic spinning machine, adjust the humidity of electrospinning environment<30%, Adjust the positive or negative high voltage value of electrostatic spinning, fltting speed, receive distance, substrate is added in receiver one end, control electrostatic spinning Time, obtain with support hardness air-filtering membrane;
C, will obtain have support hardness air-filtering membrane be fixed to solid frame on, be fabricated to air-filtering window.
10. the manufacture method of air-filtering window according to claim 9, it is characterised in that:Gather in the polymer solution The addition of compound is 20wt%~70wt%.
11. the manufacture method of air-filtering window according to claim 9, it is characterised in that:The chemical addition agent is two One kind or its mixture in titanium oxide, zinc oxide, the addition of chemical addition agent is 10wt%~40wt%.
12. the manufacture method of air-filtering window according to claim 9, it is characterised in that:In electrostatic spinning operation, electrostatic The needle diameter of the syringe nozzle of spinning-drawing machine is 0.1mm~1mm, and the scope of positive or negative high voltage is 0~30kV, and injecting speed is 0.001m/s~10m/s.
13. the manufacture method of air-filtering window according to claim 9, it is characterised in that:The syringe of electrostatic spinning machine Spout is vertical with receiving substrate, and the fiber and the angle of substrate sprayed from syringe nozzle is 40~70 degree.
14. the manufacture method of air-filtering window according to claim 9, it is characterised in that:Substrate is wire netting or plastics The porous material of matrix.
15. the manufacture method of air-filtering window according to claim 14, it is characterised in that:Substrate is aluminium net or copper mesh.
CN201710564238.0A 2017-07-12 2017-07-12 A kind of air-filtering membrane for stopping haze particle and preparation method thereof, purposes CN107261690A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107596845A (en) * 2017-11-08 2018-01-19 淄博长宝新材料股份有限公司 A kind of environmental protecting device of purifying contaminated air
CN110004590A (en) * 2019-04-28 2019-07-12 苏州市欣楠纺织科技有限公司 A kind of preparation method of high Bursting Properties nanofiber-non-woven composite

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102302875A (en) * 2011-07-27 2012-01-04 东华大学 Method for preparing antibacterial air-filtering membrane
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
CN105649520A (en) * 2015-12-30 2016-06-08 清华大学 Air purification nanofiber screen window and manufacturing method thereof
KR20160126459A (en) * 2015-04-23 2016-11-02 박종철 Filter including triple nanofiber layer with low melting polymer adhension layer and its manufacturing method
CN106541683A (en) * 2016-11-01 2017-03-29 东莞巨微新材料科技有限公司 A kind of preparation method of the multilayered structure nano-fiber composite film filtered for particulate in air

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102302875A (en) * 2011-07-27 2012-01-04 东华大学 Method for preparing antibacterial air-filtering membrane
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
KR20160126459A (en) * 2015-04-23 2016-11-02 박종철 Filter including triple nanofiber layer with low melting polymer adhension layer and its manufacturing method
CN105649520A (en) * 2015-12-30 2016-06-08 清华大学 Air purification nanofiber screen window and manufacturing method thereof
CN106541683A (en) * 2016-11-01 2017-03-29 东莞巨微新材料科技有限公司 A kind of preparation method of the multilayered structure nano-fiber composite film filtered for particulate in air

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107596845A (en) * 2017-11-08 2018-01-19 淄博长宝新材料股份有限公司 A kind of environmental protecting device of purifying contaminated air
CN110004590A (en) * 2019-04-28 2019-07-12 苏州市欣楠纺织科技有限公司 A kind of preparation method of high Bursting Properties nanofiber-non-woven composite

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