CN109316831A - A kind of magnetism electret fiber air purification filtering material and preparation method - Google Patents
A kind of magnetism electret fiber air purification filtering material and preparation method Download PDFInfo
- Publication number
- CN109316831A CN109316831A CN201811357647.4A CN201811357647A CN109316831A CN 109316831 A CN109316831 A CN 109316831A CN 201811357647 A CN201811357647 A CN 201811357647A CN 109316831 A CN109316831 A CN 109316831A
- Authority
- CN
- China
- Prior art keywords
- parts
- filtering material
- air purification
- magnetic
- weight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0001—Making filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0034—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions using magnetic forces to remove particles
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
- Artificial Filaments (AREA)
Abstract
The present invention relates to air purification field, a kind of magnetic electret fiber air purification filtering material and preparation method are disclosed.Including following preparation process: (1) preparing the metal ion solution of molysite, cobalt salt and nickel salt；(2) it is added in the miscible solution of hexamethylene, n-amyl alcohol, cetyl trimethylammonium bromide and oxalic acid and forms microemulsion, calcine and magnetic nanometer powder is made；(3) it is added in solvent with inorganic electret nanoparticle titanium dioxide, silica, polar polymer, electrostatic spinning liquid is made；(4) magnetism electret fiber air purification filter material is made in the electrostatic spinning on non-woven fabrics.The magnetic nanometer of magnetism electret fibrous material addition produced by the present invention exists, not only increase initial potential, and slow down the decaying of surface potential, the presence in magnetic field can make resulting materials keep surface potential for a long time in humid air, and field decay is extremely slow, enhances the material to the capture ability and service life of particulate matter.
Description
Technical field
The present invention relates to air purification field, a kind of magnetic electret fiber air purification filtering material and preparation side are disclosed
Method.
Background technique
In recent years, getting worse with air environmental pollution, in addition the use of many interior decorations and ornament materials, empty
Makings amount has caused the extensive concern of society.Effectively to solve room air pollution threat caused by health of people, at present
Generally use air purifier.And the core component as air purifier, the superiority and inferiority direct relation of material for core performance
To the good and bad of air purification effect.
High performance material for core must have the characteristics of efficient low-resistance, but conventional filtering material is caught by machinery merely
It obtains mechanism and realizes filtering to particle, usually with efficient while also pressure drag with higher.Electret fiber filtrate
Electrostatic adsorption is introduced on the basis of original mechanical filter, the capture effect of particle can be greatly improved under identical pressure drag
Rate, thus be widely noticed.
But that there are Charge Storage Stabilities during functionization is poor for traditional electret fiber filtrate, surface charge decaying
It is too fast, strainability is used for a long time and sharply declines, the problems such as electret complex process, the popularization for leveraging this kind of filtrate makes
With.Currently, relatively broad for the research for how enhancing electret filter material surface potential stability.
Chinese invention patent application number 200710069267.6 discloses a kind of composite electret fiber filtering material, under
The method of stating is prepared: (1) polytetrafluoroethylene film and basal lamina material being carried out compound composite material；(2) by composite material into
Row note pole obtains compound electret membrane；(3)) compound electret membrane is opened into silk stretching and fiber is made, networking is up to product.
Chinese invention patent application number 201410452788.X discloses a kind of electrostatic spinning nano fiber electret filtering material
And preparation method thereof, " fast quickly cooling is formed by control polymer solution component and temperature, nanofiber during electrostatic spinning
But " process, efficient, low-resistance nanofiber without adhesion, fluffy three-dimensional netted interworking architecture are stayed between one-step shaping prepares fiber
Pole filtering material, wherein the grammes per square metre of layers of nanofibers is 0.01 ~ 70g/m2, porosity of=80%, the compound mistake of nanofiber electret
The Surface electrostatic potential of filter material material is 800 ~ 6000V, and surface charge has permanent reserve stability, and hydrophobic angle is right greater than 150 °
For the filter efficiency of 0.006 ~ 1 μm of particle up to 99.999% or more, pressure drag is less than 20Pa, and dust containing capacity is 300 ~ 3600g/m2,
The present invention is simple, and filtering material is in the filtering of individual protection mask, indoor air purification filtering and efficiently/ultra high efficiency
The fields such as air filtration have broad application prospects.
According to above-mentioned, in the material for core of air purifier, electret filter material to be generally existing in existing scheme
The defects of charge storge quality is poor, and potential decay is too fast, and traditional improvement complex technical process, higher cost, affect into
One step development and application.
Summary of the invention
The wider electret filter material for air cleaning is applied at present, and there are charge storge quality is poor, potential declines
Subtract too fast defect, limits the development of electret filtering material.
To solve the above problems, the invention adopts the following technical scheme:
A kind of preparation method of magnetism electret fiber air purification filtering material, the detailed process of preparation are as follows:
(1) molysite, cobalt salt and nickel salt are added in deionized water, are uniformly mixed, metal ion solution is made；
(2) by metal ion solution made from step (1) be added to hexamethylene, n-amyl alcohol, cetyl trimethylammonium bromide and
It in the miscible solution of oxalic acid, is mixed at room temperature, microemulsion is made, is then centrifuged for, dry, magnetic nanometer is made in calcining
Powder；
(3) magnetic nanometer powder made from step (2) and inorganic electret nanoparticle titanium dioxide, silica are added to
In solvent, then ultrasonic vibration dispersion is added polar polymer, sufficiently dissolves, electrostatic spinning liquid is made；
(4) by electrostatic spinning liquid electrostatic spinning on non-woven fabrics made from step (3), magnetism electret fiber air cleaning is made
Filtering material.
Preferably, step (1) metal ion solution is sulfate liquor, in nitrate solution, chloride solution
A combination of one or more；Wherein, molysite is soluble ferric iron salt, specially ferric sulfate, ferric nitrate, in iron chloride at least
It is a kind of；Cobalt salt is soluble cobalt, specially at least one of cobaltous sulfate, cobalt nitrate, cobalt chloride；Nickel salt is soluble nickel
At least one of salt, specially nickel sulfate, nickel nitrate, nickel chloride.
Preferably, in step (1) by weight, in which: 18 ~ 22 parts of molysite, 17 ~ 20 parts of cobalt salt, 13 ~ 16 parts of nickel salt,
42 ~ 52 parts of deionized water.
Preferably, in step (2) by weight, in which: 40 ~ 45 parts of metal ion solution, 36 ~ 49 parts of hexamethylene, just
2 ~ 4 parts of amylalcohol, 3 ~ 5 parts of cetyl trimethylammonium bromide, 6 ~ 10 parts of oxalic acid.
Preferably, the temperature of step (2) described calcining is 800 ~ 1000 DEG C, and the time is 1 ~ 2h.
Preferably, step (3) solvent is N-N dimethylformamide, tetrahydrofuran, isopropanol, methylene chloride, diformazan
At least one of yl acetamide.
Preferably, step (3) polar polymer is polyvinyl chloride, ethylene-vinyl acetate copolymer, chlorinated polyvinyl chloride second
Alkene, polyamide, polybutylene terephthalate (PBT), polyethylene terephthalate, polysulfones, polyarylsulfone (PAS), polyether sulfone, equal benzene are poly-
At least one of acid imide, Kynoar, polyether-ketone.
Preferably, in step (3) by weight, in which: 4 ~ 6 parts of magnetic nanometer powder, 5 ~ 8 parts of titanium dioxide, two
4 ~ 7 parts of silica, 34 ~ 52 parts of solvent, 35 ~ 45 parts of polar polymer.
Preferably, in step (4) described electrostatic spinning, operating voltage be 10 ~ 20kV, aperture be 0.2 ~ 0.6mm, receive away from
From for 15 ~ 25cm.
A kind of magnetic electret fiber air purification filtering material prepared by the above method, will contain molysite, cobalt salt and
Nickel salt is dissolved in deionized water, is then added to the miscible molten of hexamethylene, n-amyl alcohol, cetyl trimethylammonium bromide and oxalic acid
It in liquid, is stirred at room temperature to form microemulsion, be then centrifuged for, drying calcining obtains magnetic nanometer powder；Then by magnetic nanometer
Ultrasonic vibration in solvent is added to inorganic electret nanoparticle titanium dioxide, silica to disperse, and polar polymeric is then added
Object is uniformly dissolved to form spinning solution, finally by electrostatic spinning technique on non-woven fabrics.
The present invention provides a kind of magnetic electret fiber air purification filtering material and preparation methods, with prior art phase
Than the feature and excellent effect protruded is:
1, it proposes magnetic nanometer and is added to the magnetic electret fiber air purification of preparation in the electrostatic spinning liquid of the ion containing electret
The method of filtering material.
2, in gained magnetism electret fiber air filtering material magnetic nanometer presence, enhance the interfacial polarization of fiber
Effect greatly improves the initial potential of the electret fiber.
3, magnetic nanometer in gained magnetism electret fiber air filtering material helps to extend charge in the fibre
Motion path reduces the possibility that charge is lost straight, and this magnetic nanometer generates magnetic field under the action of electric field,
Fibrous inside forms micro electric magnetic field one by one, therefore slows down the decaying of surface potential, enhances filtering material and stores up for a long time
Deposit the ability of charge.
4, in magnetic electret fiber air filtering material of the invention magnetic field presence, resulting materials can be made in humid air
In keep surface potential for a long time, and field decay is extremely slow, enhances the material to the capture ability and service life of particulate matter.
Specific embodiment
In the following, the present invention will be further described in detail by way of specific embodiments, but this should not be interpreted as to the present invention
Range be only limitted to example below.Without departing from the idea of the above method of the present invention, according to ordinary skill
The various replacements or change that knowledge and customary means are made, should be included in the scope of the present invention.
Embodiment 1
(1) molysite, cobalt salt and nickel salt are added in deionized water, are uniformly mixed, metal ion solution is made；Metal ion solution
For sulfate liquor；
Wherein: 19 parts by weight of molysite, 19 parts by weight of cobalt salt, 15 parts by weight of nickel salt, 47 parts by weight of deionized water；
(2) by metal ion solution made from step (1) be added to hexamethylene, n-amyl alcohol, cetyl trimethylammonium bromide and
It in the miscible solution of oxalic acid, is mixed at room temperature, microemulsion is made, is then centrifuged for, dry, magnetic nanometer is made in calcining
Powder；The temperature of calcining is 890 DEG C, time 1.5h；
Wherein: 43 parts by weight of metal ion solution, 43 parts by weight of hexamethylene, 3 parts by weight of n-amyl alcohol, cetyl trimethyl bromination
4 parts by weight of ammonium, 7 parts by weight of oxalic acid；
(3) magnetic nanometer powder made from step (2) and inorganic electret nanoparticle titanium dioxide, silica are added to
In solvent, then ultrasonic vibration dispersion is added polar polymer, sufficiently dissolves, electrostatic spinning liquid is made；Solvent is N-N diformazan
Base formamide；Polar polymer is polyvinyl chloride；
Wherein: 5 parts by weight of magnetic nanometer powder, 7 parts by weight of titanium dioxide, 5 parts by weight of silica, 44 parts by weight of solvent,
39 parts by weight of polar polymer；
(4) by electrostatic spinning liquid electrostatic spinning on non-woven fabrics made from step (3), magnetism electret fiber air cleaning is made
Filtering material；In electrostatic spinning, operating voltage 16kV, aperture 0.3mm, receiving distance is 19cm.
Magnetism electret fiber air purification filtering material made from embodiment 1, surface potential and magnetic field strength such as 1 institute of table
Show.
Embodiment 2
(1) molysite, cobalt salt and nickel salt are added in deionized water, are uniformly mixed, metal ion solution is made；Metal ion solution
For nitrate solution；
Wherein: 18 parts by weight of molysite, 17 parts by weight of cobalt salt, 13 parts by weight of nickel salt, 52 parts by weight of deionized water；
(2) by metal ion solution made from step (1) be added to hexamethylene, n-amyl alcohol, cetyl trimethylammonium bromide and
It in the miscible solution of oxalic acid, is mixed at room temperature, microemulsion is made, is then centrifuged for, dry, magnetic nanometer is made in calcining
Powder；The temperature of calcining is 800 DEG C, time 2h；
Wherein: 40 parts by weight of metal ion solution, 49 parts by weight of hexamethylene, 2 parts by weight of n-amyl alcohol, cetyl trimethyl bromination
3 parts by weight of ammonium, 6 parts by weight of oxalic acid；
(3) magnetic nanometer powder made from step (2) and inorganic electret nanoparticle titanium dioxide, silica are added to
In solvent, then ultrasonic vibration dispersion is added polar polymer, sufficiently dissolves, electrostatic spinning liquid is made；Solvent is tetrahydro furan
It mutters；Polar polymer is ethylene-vinyl acetate copolymer；
Wherein: 4 parts by weight of magnetic nanometer powder, 5 parts by weight of titanium dioxide, 4 parts by weight of silica, 52 parts by weight of solvent,
35 parts by weight of polar polymer；
(4) by electrostatic spinning liquid electrostatic spinning on non-woven fabrics made from step (3), magnetism electret fiber air cleaning is made
Filtering material；In electrostatic spinning, operating voltage 10kV, aperture 0.2mm, receiving distance is 15cm.
Magnetism electret fiber air purification filtering material made from embodiment 2, surface potential and magnetic field strength such as 1 institute of table
Show.
Embodiment 3
(1) molysite, cobalt salt and nickel salt are added in deionized water, are uniformly mixed, metal ion solution is made；Metal ion solution
For chloride solution；
Wherein: 22 parts by weight of molysite, 20 parts by weight of cobalt salt, 16 parts by weight of nickel salt, 42 parts by weight of deionized water；
(2) by metal ion solution made from step (1) be added to hexamethylene, n-amyl alcohol, cetyl trimethylammonium bromide and
It in the miscible solution of oxalic acid, is mixed at room temperature, microemulsion is made, is then centrifuged for, dry, magnetic nanometer is made in calcining
Powder；The temperature of calcining is 1000 DEG C, time 1h；
Wherein: 45 parts by weight of metal ion solution, 36 parts by weight of hexamethylene, 4 parts by weight of n-amyl alcohol, cetyl trimethyl bromination
5 parts by weight of ammonium, 10 parts by weight of oxalic acid；
(3) magnetic nanometer powder made from step (2) and inorganic electret nanoparticle titanium dioxide, silica are added to
In solvent, then ultrasonic vibration dispersion is added polar polymer, sufficiently dissolves, electrostatic spinning liquid is made；Solvent is isopropanol；
Polar polymer is chliorinated polyvinyl chloride；
Wherein: 6 parts by weight of magnetic nanometer powder, 8 parts by weight of titanium dioxide, 7 parts by weight of silica, 34 parts by weight of solvent,
45 parts by weight of polar polymer；
(4) by electrostatic spinning liquid electrostatic spinning on non-woven fabrics made from step (3), magnetism electret fiber air cleaning is made
Filtering material；In electrostatic spinning, operating voltage 20kV, aperture 0.6mm, receiving distance is 25cm.
Magnetism electret fiber air purification filtering material made from embodiment 3, surface potential and magnetic field strength such as 1 institute of table
Show.
Embodiment 4
(1) molysite, cobalt salt and nickel salt are added in deionized water, are uniformly mixed, metal ion solution is made；Metal ion solution
For sulfate liquor；
Wherein: 19 parts by weight of molysite, 18 parts by weight of cobalt salt, 14 parts by weight of nickel salt, 49 parts by weight of deionized water；
(2) by metal ion solution made from step (1) be added to hexamethylene, n-amyl alcohol, cetyl trimethylammonium bromide and
It in the miscible solution of oxalic acid, is mixed at room temperature, microemulsion is made, is then centrifuged for, dry, magnetic nanometer is made in calcining
Powder；The temperature of calcining is 850 DEG C, time 2h；
Wherein: 42 parts by weight of metal ion solution, 45 parts by weight of hexamethylene, 3 parts by weight of n-amyl alcohol, cetyl trimethyl bromination
3 parts by weight of ammonium, 7 parts by weight of oxalic acid；
(3) magnetic nanometer powder made from step (2) and inorganic electret nanoparticle titanium dioxide, silica are added to
In solvent, then ultrasonic vibration dispersion is added polar polymer, sufficiently dissolves, electrostatic spinning liquid is made；Solvent is dichloromethane
Alkane；Polar polymer is polyamide；
Wherein: 5 parts by weight of magnetic nanometer powder, 6 parts by weight of titanium dioxide, 5 parts by weight of silica, 48 parts by weight of solvent,
36 parts by weight of polar polymer；
(4) by electrostatic spinning liquid electrostatic spinning on non-woven fabrics made from step (3), magnetism electret fiber air cleaning is made
Filtering material；In electrostatic spinning, operating voltage 12kV, aperture 0.3mm, receiving distance is 18cm.
Magnetism electret fiber air purification filtering material made from embodiment 4, surface potential and magnetic field strength such as 1 institute of table
Show.
Embodiment 5
(1) molysite, cobalt salt and nickel salt are added in deionized water, are uniformly mixed, metal ion solution is made；Metal ion solution
For nitrate solution；
Wherein: 21 parts by weight of molysite, 19 parts by weight of cobalt salt, 15 parts by weight of nickel salt, 45 parts by weight of deionized water；
(2) by metal ion solution made from step (1) be added to hexamethylene, n-amyl alcohol, cetyl trimethylammonium bromide and
It in the miscible solution of oxalic acid, is mixed at room temperature, microemulsion is made, is then centrifuged for, dry, magnetic nanometer is made in calcining
Powder；The temperature of calcining is 950 DEG C, time 1h；
Wherein: 44 parts by weight of metal ion solution, 39 parts by weight of hexamethylene, 4 parts by weight of n-amyl alcohol, cetyl trimethyl bromination
4 parts by weight of ammonium, 9 parts by weight of oxalic acid；
(3) magnetic nanometer powder made from step (2) and inorganic electret nanoparticle titanium dioxide, silica are added to
In solvent, then ultrasonic vibration dispersion is added polar polymer, sufficiently dissolves, electrostatic spinning liquid is made；Solvent is dimethyl second
Amide；Polar polymer is polybutylene terephthalate (PBT)；
Wherein: 6 parts by weight of magnetic nanometer powder, 7 parts by weight of titanium dioxide, 6 parts by weight of silica, 39 parts by weight of solvent,
42 parts by weight of polar polymer；
(4) by electrostatic spinning liquid electrostatic spinning on non-woven fabrics made from step (3), magnetism electret fiber air cleaning is made
Filtering material；In electrostatic spinning, operating voltage 18kV, aperture 0.5mm, receiving distance is 22m.
Magnetism electret fiber air purification filtering material made from embodiment 5, surface potential and magnetic field strength such as 1 institute of table
Show.
Embodiment 6
(1) molysite, cobalt salt and nickel salt are added in deionized water, are uniformly mixed, metal ion solution is made；Metal ion solution
For chloride solution；
Wherein: 20 parts by weight of molysite, 18 parts by weight of cobalt salt, 15 parts by weight of nickel salt, 47 parts by weight of deionized water；
(2) by metal ion solution made from step (1) be added to hexamethylene, n-amyl alcohol, cetyl trimethylammonium bromide and
It in the miscible solution of oxalic acid, is mixed at room temperature, microemulsion is made, is then centrifuged for, dry, magnetic nanometer is made in calcining
Powder；The temperature of calcining is 900 DEG C, time 1.5h；
Wherein: 42 parts by weight of metal ion solution, 42 parts by weight of hexamethylene, 3 parts by weight of n-amyl alcohol, cetyl trimethyl bromination
4 parts by weight of ammonium, 8 parts by weight of oxalic acid；
(3) magnetic nanometer powder made from step (2) and inorganic electret nanoparticle titanium dioxide, silica are added to
In solvent, then ultrasonic vibration dispersion is added polar polymer, sufficiently dissolves, electrostatic spinning liquid is made；Solvent is N-N diformazan
Base formamide；Polar polymer is polysulfones；
Wherein: 5 parts by weight of magnetic nanometer powder, 6 parts by weight of titanium dioxide, 6 parts by weight of silica, 45 parts by weight of solvent,
40 parts by weight of polar polymer；
(4) by electrostatic spinning liquid electrostatic spinning on non-woven fabrics made from step (3), magnetism electret fiber air cleaning is made
Filtering material；In electrostatic spinning, operating voltage 15kV, aperture 0.4mm, receiving distance is 20cm.
Magnetism electret fiber air purification filtering material made from embodiment 6, surface potential and magnetic field strength such as 1 institute of table
Show.
Comparative example 1
Comparative example 1 does not add magnetic nanometer, and other conditions and embodiment 6 are identical, and electret fiber air obtained is cleaned
Filter material material, surface potential and magnetic field strength are as shown in table 1.
The test method of above-mentioned performance indicator are as follows:
Surface potential: taking magnetic electret fiber produced by the present invention, carries out surface corona to sample using 152A type corona instrument
After charging, using the surface potential of EST-102A capacitance-type vibration formula electret electrostatic tester test electret fiber, it is subsequently placed in
In the air environment that relative humidity is 95%, test surfaces current potential when 3d, 7d and 14d；
Magnetic field strength: taking magnetic electret fiber produced by the present invention, carries out surface corona to sample using 152A type corona instrument
After charging, using the Surface field intensity of the digital high-precision Tesla meter test electret fiber of CH-1600 type, it is subsequently placed in phase
In the air environment for being 95% to humidity, magnetic field strength is tested when 3d, 7d and 14d.
Table 1:
Claims (10)
1. a kind of preparation method of magnetism electret fiber air purification filtering material, which is characterized in that the detailed process of preparation are as follows:
(1) molysite, cobalt salt and nickel salt are added in deionized water, are uniformly mixed, metal ion solution is made；
(2) by metal ion solution made from step (1) be added to hexamethylene, n-amyl alcohol, cetyl trimethylammonium bromide and
It in the miscible solution of oxalic acid, is mixed at room temperature, microemulsion is made, is then centrifuged for, dry, magnetic nanometer is made in calcining
Powder；
(3) magnetic nanometer powder made from step (2) and inorganic electret nanoparticle titanium dioxide, silica are added to
In solvent, then ultrasonic vibration dispersion is added polar polymer, sufficiently dissolves, electrostatic spinning liquid is made；
(4) by electrostatic spinning liquid electrostatic spinning on non-woven fabrics made from step (3), magnetism electret fiber air cleaning is made
Filtering material.
2. a kind of preparation method of magnetic electret fiber air purification filtering material according to claim 1, it is characterised in that:
Step (1) metal ion solution is one or more of sulfate liquor, nitrate solution, chloride solution
Combination.
3. a kind of preparation method of magnetic electret fiber air purification filtering material according to claim 1, it is characterised in that:
In step (1) by weight, in which: 18 ~ 22 parts of molysite, 17 ~ 20 parts of cobalt salt, 13 ~ 16 parts of nickel salt, 42 ~ 52 parts of deionized water.
4. a kind of preparation method of magnetic electret fiber air purification filtering material according to claim 1, it is characterised in that:
In step (2) by weight, in which: 40 ~ 45 parts of metal ion solution, 36 ~ 49 parts of hexamethylene, 2 ~ 4 parts of n-amyl alcohol, hexadecane
3 ~ 5 parts of base trimethylammonium bromide, 6 ~ 10 parts of oxalic acid.
5. a kind of preparation method of magnetic electret fiber air purification filtering material according to claim 1, it is characterised in that:
The temperature of step (2) described calcining is 800 ~ 1000 DEG C, and the time is 1 ~ 2h.
6. a kind of preparation method of magnetic electret fiber air purification filtering material according to claim 1, it is characterised in that:
Step (3) solvent be N-N dimethylformamide, tetrahydrofuran, isopropanol, methylene chloride, in dimethyl acetamide extremely
Few one kind.
7. a kind of preparation method of magnetic electret fiber air purification filtering material according to claim 1, it is characterised in that:
Step (3) polar polymer is polyvinyl chloride, ethylene-vinyl acetate copolymer, chliorinated polyvinyl chloride, polyamide, poly- pair
Benzene dicarboxylic acid butanediol ester, polysulfones, polyarylsulfone (PAS), polyether sulfone, equal benzene polyimides, gathers inclined fluorine at polyethylene terephthalate
At least one of ethylene, polyether-ketone.
8. a kind of preparation method of magnetic electret fiber air purification filtering material according to claim 1, it is characterised in that:
In step (3) by weight, in which: 4 ~ 6 parts of magnetic nanometer powder, 5 ~ 8 parts of titanium dioxide, 4 ~ 7 parts of silica, solvent
34 ~ 52 parts, 35 ~ 45 parts of polar polymer.
9. a kind of preparation method of magnetic electret fiber air purification filtering material according to claim 1, it is characterised in that:
In step (4) described electrostatic spinning, operating voltage is 10 ~ 20kV, and aperture is 0.2 ~ 0.6mm, and receiving distance is 15 ~ 25cm.
10. a kind of magnetic electret fiber air purification filtering material that any one of claim 1 ~ 9 the method is prepared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811357647.4A CN109316831A (en) | 2018-11-15 | 2018-11-15 | A kind of magnetism electret fiber air purification filtering material and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811357647.4A CN109316831A (en) | 2018-11-15 | 2018-11-15 | A kind of magnetism electret fiber air purification filtering material and preparation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109316831A true CN109316831A (en) | 2019-02-12 |
Family
ID=65257770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811357647.4A Withdrawn CN109316831A (en) | 2018-11-15 | 2018-11-15 | A kind of magnetism electret fiber air purification filtering material and preparation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109316831A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111235863A (en) * | 2020-03-12 | 2020-06-05 | 上海市纺织科学研究院有限公司 | Preparation method of polysulfonamide electret filter material |
| CN113244697A (en) * | 2021-05-19 | 2021-08-13 | 武汉纺织大学 | Melt-blown high-efficiency air filter material with multiple physical field effects and preparation method thereof |
| CN116949682A (en) * | 2023-06-03 | 2023-10-27 | 广东爱航环境科技有限公司 | Non-woven fabric for deodorizing and antibacterial air purifier and preparation method thereof |
-
2018
- 2018-11-15 CN CN201811357647.4A patent/CN109316831A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111235863A (en) * | 2020-03-12 | 2020-06-05 | 上海市纺织科学研究院有限公司 | Preparation method of polysulfonamide electret filter material |
| CN113244697A (en) * | 2021-05-19 | 2021-08-13 | 武汉纺织大学 | Melt-blown high-efficiency air filter material with multiple physical field effects and preparation method thereof |
| CN116949682A (en) * | 2023-06-03 | 2023-10-27 | 广东爱航环境科技有限公司 | Non-woven fabric for deodorizing and antibacterial air purifier and preparation method thereof |
| CN116949682B (en) * | 2023-06-03 | 2024-01-26 | 广东爱航环境科技有限公司 | Non-woven fabric for deodorizing and antibacterial air purifier and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Liu et al. | A fluffy dual‐network structured nanofiber/net filter enables high‐efficiency air filtration | |
| Zuo et al. | Free‐standing polyurethane nanofiber/nets air filters for effective PM capture | |
| CN104178930B (en) | Nanofiber membrane | |
| CN109316831A (en) | A kind of magnetism electret fiber air purification filtering material and preparation method | |
| Liu et al. | High-performance filters from biomimetic wet-adhesive nanoarchitectured networks | |
| CN106835325B (en) | A kind of electromagnetism integration nanometer fibrous filter and its preparation and activation method | |
| Kou et al. | Fabrication of polyphenylene sulfide nanofibrous membrane via sacrificial templated-electrospinning for fast gravity-driven water-in-oil emulsion separation | |
| CN106245232A (en) | Graphene oxide@high polymer nano fiber multilayer film and its preparation method and application | |
| CN108385278B (en) | Anti-hydrolysis electrospinning PVA/PAA crosslinking nanofiber membrane and preparation method thereof | |
| Fan et al. | Polyvinylidene fluoride composite nanofibrous filter for high-efficiency PM2. 5 capture | |
| CN113368712B (en) | Efficient air filtration composite nanofiber membrane and preparation method thereof | |
| CN105544093A (en) | Preparation method and application of functional AOPAN-RC composite nanofiber film | |
| CN111514659A (en) | Nano cobweb antibacterial composite air filtering material and preparation method thereof | |
| Kao et al. | Using coaxial electrospinning to fabricate core/shell-structured polyacrylonitrile–polybenzoxazine fibers as nonfouling membranes | |
| Pang et al. | Ultralight ethyl cellulose-based electret fiber membrane for low-resistance and high-efficient capture of PM2. 5 | |
| CN103191604A (en) | Preparation method of firmly-combined sandwich type purification material | |
| CN107735522A (en) | Polymer nonwoven nano-net having ionic functional group and respiratory mask comprising the same | |
| CN105536352B (en) | A kind of high-efficient low-resistance type is staggered nano-fiber composite material and preparation method thereof | |
| CN101511485B (en) | Electret finish | |
| CN106835356B (en) | A method of preparing cobalt protoxide hollow nano fiber | |
| Kim et al. | High-performance electrospun particulate matter (PM) filters embedded with self-polarizable tetragonal BaTiO3 nanoparticles | |
| KR20160131301A (en) | Ultrafine fiber-based filter with super-flux and high filtration efficiency and preparation method thereof | |
| CN109334176B (en) | Preparation method of electrostatic spinning PAN/bamboo charcoal powder nanofiber membrane filter material and product thereof | |
| CN111330355B (en) | Electret nanofiber high-efficiency filter material and preparation method thereof | |
| Jiang et al. | Preparation of multifunctional Ag@ PAN/PBA nanofibrous aerogel membranes for efficient PM 0.3 capture and effective antibacterial activity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190212 |