CN106039839B - A kind of Ke Xunhuanliyong, efficient low-resistance, antibacterial antifogging haze air filting material - Google Patents
A kind of Ke Xunhuanliyong, efficient low-resistance, antibacterial antifogging haze air filting material Download PDFInfo
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- CN106039839B CN106039839B CN201610375070.4A CN201610375070A CN106039839B CN 106039839 B CN106039839 B CN 106039839B CN 201610375070 A CN201610375070 A CN 201610375070A CN 106039839 B CN106039839 B CN 106039839B
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/02—Types of fibres, filaments or particles, self-supporting or supported materials
- B01D2239/025—Types of fibres, filaments or particles, self-supporting or supported materials comprising nanofibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0442—Antimicrobial, antibacterial, antifungal additives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/0604—Arrangement of the fibres in the filtering material
- B01D2239/0618—Non-woven
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/10—Filtering material manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/12—Special parameters characterising the filtering material
- B01D2239/1291—Other parameters
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- Chemical Kinetics & Catalysis (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
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Abstract
The invention belongs to new material technology fields, and in particular to a kind of Ke Xunhuanliyong, efficient low-resistance, antibacterial antifogging haze air filting material.The air filting material includes substrate layer and filter layer, and the filter layer is the layers of nanofibers for loading antiseptic, and the filter layer is made by situ synthesis, using non-woven cloth as substrate layer.Air filting material of the present invention will produce retention step by step to PM2.5 and obstruct, the small particulates of PM2.5 can efficiently be intercepted, 100% can be reached for the filter efficiency of 2.5 μm of particles, filter efficiency for size for 0.5 μm and 0.3 μm of particle can reach 99%, air drag is 37Pa, grammes per square metre 22.89g/m2；Air filting material of the present invention is easy to operation, can be by washing the smoke particle for removing and adsorbing thereon after abundant adsorbing smoke, and realization is used repeatedly.
Description
Technical field
The invention belongs to new material technology fields, and in particular to a kind of Ke Xunhuanliyong, efficient low-resistance, antibacterial antifogging haze
Air filting material.
Background technology
With the development of science and technology, filtering material is in air purification, Water warfare, waste processing and food processing etc.
Field is widely used.There is report to show, in 500 cities of Largest In China, reaches generation only less than 1% city
The air quality standard of boundary's Health Organisation recommendations, at the same time, in the world pollute most serious 10 cities have 7 in China.
As last one of the barrier for resisting haze, protection health, filtering material has become people and relies by the coke with common concern
Point.
Though conventional filter material has higher filter efficiency to particle more than micron order, it is difficult to realize to sub-micron
Effective filtering of grade particles, and there are stain resistances it is weak, service life is short the shortcomings of, can not fully meet people again to height
Imitate the requirement of filtering material.To make up the deficiency of conventional filter material, novel and multifunctional, high added value filtering material exploitation gesture
It must go.Numerous studies show that the filter efficiency of fiber filter material can be significantly improved with the reduction of fibre diameter.Cause
This, reducing fibre diameter becomes a kind of effective ways for improving fiber filter material strainability.
Electrostatic spinning technique can prepare diameter at several nanometers to the method for superfine fibre in several micron ranges as a kind of,
It has been attracted wide attention in the preparation of fiber filter material.There is quality by nano fibrous membrane prepared by electrostatic spinning
Gently, the advantages that good penetrability, large specific surface area, high porosity, the connectivity of internal void is good, is easy and nano level substance knot
It closes, filtering material can be functioned well as.Electrostatic spinning acts on the Polymer Solution for making electrification or melt by electret in electrostatic
Flow deformation in, then cure through solvent volatilization or melt cooling.Not only strainability is excellent for electret, but also to microorganism
Also inhibition and killing effect.Nanofiber made from electrostatic spinning is had excellent performance, and is just gradually substituting traditional fibre material in work
Industry dust-filtering, indoor air purification, locomotive air filtering etc. have broad application prospects.
Invention content
The present invention is in view of the deficiencies of the prior art, and it is an object of the present invention to provide a kind of Ke Xunhuanliyong, efficient low-resistance, antibacterial antifogging
The air filting material of haze.
For achieving the above object, the technical solution adopted by the present invention is：
A kind of Ke Xunhuanliyong, efficient low-resistance, antibacterial antifogging haze air filting material, which is characterized in that the air
Filtering material includes substrate layer and filter layer, and the filter layer is the layers of nanofibers for loading antiseptic, and the filter layer passes through
In situ synthesis is made, and the substrate layer is non-woven cloth.
In said program, the antiseptic is nano silver, and the grain size of the nano silver is 5nm~100nm.
In said program, a diameter of 20nm~200nm of the nanofiber.
In said program, the load capacity of antiseptic is 3wt%~20wt% in the layers of nanofibers of the load antiseptic.
In said program, the PP non-woven cloths are the PP fusion spray cloths or PP looped fabrics that surface carries certain charge.
A kind of method that in situ synthesis prepares above-mentioned air filting material, which is characterized in that include the following steps：
(1) polymer is dissolved in formic acid and/or acetic acid solvent, obtains electrostatic spinning solution；Using electrostatic spinning work
The nano fibrous membrane being compounded on substrate layer is prepared as substrate layer using non-woven cloth for skill；
(2) preparation of nano silver solution：It is silver-colored presoma, sodium citrate and sodium borohydride as restoring using silver nitrate
Agent, or using silver nitrate be silver-colored presoma, sodium citrate as reducing agent, nano silver solution is prepared in reaction；
(3) nano fibrous membrane is immersed in nano silver solution, is placed in isothermal vibration case and carries out nano silver life in situ
It is long, after growth, takes out nano fibrous membrane and dried in vacuum drying chamber, obtain the nanofiber of loading nano silvery particle
Layer；Air filting material is constituted by substrate layer and compound layers of nanofibers on it.
In said program, step (1) described polymer is to contain amido polymer, specially polyamide 6, polyamide
610, polyamide 66, polyamide 11, polyamide 12, polyamide 1010, polyamide 56, polyamide 4, polyamide 8,9 and of polyamide
One or more of polyamide 810.
With silver nitrate it is silver-colored presoma described in step (2), sodium citrate and sodium borohydride are reducing agent in said program
The process for preparing nano silver solution is：First silver nitrate and sodium citrate are add to deionized water, magnetic force stirs under room temperature
Mixing makes to be completely dissolved presentation colourless transparent liquid, then sodium borohydride is dissolved in a small amount of deionized water, is added to water white transparency liquid
In body, continue to stir, fully obtain nano silver solution after reaction, the silver nitrate, sodium citrate and sodium borohydride matter
Amount is than being 1:1~3:1~5；
With silver nitrate it is silver-colored presoma described in step (2), sodium citrate is that reducing agent prepares nano silver in said program
The process of particle solution is：Silver nitrate is dissolved in deionized water, after being vigorously stirred and being heated to boiling, by sodium citrate water
In solution fast drop to silver nitrate solution, reaction obtains nano silver solution, the silver nitrate and lemon after 0.5~2 hour
The mass ratio of lemon acid sodium is 1:1~2.
In said program, step (3) described pH value of solution is 3~7.
In said program, the temperature of step (3) the isothermal vibration case is 10~60 DEG C, and concussion frequency is 0~100r/
Min, concussion the time be 0.5~for 24 hours.
In said program, the temperature of step (3) described drying is 40~120 DEG C.
Beneficial effects of the present invention：The present invention is using non-woven cloth as substrate layer, the composite nano fiber on substrate layer, then
Nano-antibacterial particle is supported on by the method for growth in situ on nanofiber, layers of nanofibers is prepared；The Nanowire
It ties up that layer light weight, permeability be good, large specific surface area, has by nanometer coarse structure, tubercle pore structure and stack hole knot
Structure is formed by three-stage filtration structure, to the PM2.5 (size be less than or equal to 2.5 μm of particle) of different grain size distribution will produce by
Grade retention barrier, can efficiently intercept the small particulates of PM2.5, the filter efficiency of 2.5 μm of particles can be reached
To 100%, the filter efficiency for size for 0.5 μm and 0.3 μm of particle can reach 99%；Air drag be 37Pa simultaneously
The pollution pernicious gas contained in the particulate retained can be stabilized under normal temperature condition, just be released after high temperature
Come；In addition, the nano silver particles loaded thereon can also increase the antibiotic property of material, air filting material is set to meet efficient low-resistance anti-
The filtering requirement of bacterium haze；Air filting material of the present invention is easy to operation, after abundant adsorbing smoke, can pass through
Washing removes the smoke particle adsorbed thereon, and realization is used repeatedly, and can be applied to mask protective garment, air conditioning for automobiles filtering
The fields such as device, indoor air purification.
Description of the drawings
Fig. 1 is the air filting material SEM figures for the PA66@Ag nanofiber composite non-weaving cloths that embodiment 1 obtains.
Fig. 2 is that air filting material of the present invention absorbs the SEM figures after smog.
Fig. 3 is TG-QMS figures after air filting material adsorbing smoke of the present invention.
Fig. 4 is air filting material strainability curve graph of the present invention.
Fig. 5 be air filting material of the present invention repeat adsorbing smoke, washing grammes per square metre curve graph.
Specific implementation mode
For a better understanding of the present invention, with reference to the embodiment content that the present invention is furture elucidated, but the present invention
Content is not limited solely to the following examples.
Embodiment 1
A kind of Ke Xunhuanliyong, efficient low-resistance, antibacterial antifogging haze air filting material, is prepared via a method which
It arrives：
(1) polyamide 66 is dissolved in formic acid and acetic acid mixed solvent (3:1), configuration spinning solution (concentration 15%), Static Spinning
Silk parameter, voltage 18KV, push-in stroke 0.2mL/h, temperature 50 C receive distance 18cm, spinning time 30min, with PP fusion spray cloths
The nanofiber being compounded on substrate layer is prepared for substrate；
(2) preparation of nano silver solution：The silver nitrate of 0.019g is weighed, 0.019g sodium citrates are with silver nitrate
Silver-colored presoma, sodium citrate is as reducing agent；First silver nitrate is add to deionized water, oil bath heating makes nitric acid to 120 DEG C
Sodium citrate solution is added under silver-colored solution boiling, vigorous magnetic stirring condition, nano silver solution is obtained after reacting 1h；
(3) it uses dilute hydrochloric acid to adjust the pH=3 of nano silver solution, it is molten that nano fibrous membrane is immersed in nano silver particles
In liquid, it is placed in 10 DEG C of isothermal vibration casees (concussion frequency is 50r/min) and carries out nano silver growth in situ 1h, after growth, take
The 80 DEG C of drying in vacuum drying chamber of nanofibers film obtain the Nanofiber filter layer of loading nano silvery particle, described negative
The load factor of nano silver particles is 3wt% in the Nanofiber filter layer of carrying nano silver particle；By substrate layer and it is compound on it
Layers of nanofibers constitute air filting material.
The SEM figures for the air filting material that the present embodiment is prepared are shown in Fig. 1.It will be seen from figure 1 that fiber size is to receive
The nano fibrous membrane of meter level is that micron-sized non-woven substrate cloth forms apparent double-layer structure with fiber size, and nanofiber stacks
Three-dimensional pore space is formed, pore size is about 3nm.
Embodiment 2
A kind of Ke Xunhuanliyong, efficient low-resistance, antibacterial antifogging haze air filting material, is prepared via a method which
It arrives：
(1) polyamide 6 (PA6) is dissolved in formic acid solvent, configuration spinning solution (concentration 13%), electrospinning parameters,
Voltage 12kV, push-in stroke 0.5mL/h, temperature 60 C receive distance 12cm, spinning time 30min, using PP fusion spray cloths as substrate system
The standby nanofiber obtained being compounded on substrate layer；
(2) preparation of nano silver solution：Weigh the silver nitrate of 0.008g, the sodium citrate of 0.019g, 0.014g boron
Sodium hydride is silver-colored presoma with silver nitrate, and sodium citrate and sodium borohydride are as reducing agent；First silver nitrate and sodium citrate are added
Enter into deionized water, magnetic agitation makes to be completely dissolved presentation colourless transparent liquid under room temperature, then sodium borohydride is dissolved in 5ml
It in ionized water, is added in colourless transparent liquid, continues to stir 1h, fully obtain nano silver solution after reaction；
(3) it uses dilute hydrochloric acid to adjust the pH=5 of nano silver solution, it is molten that nano fibrous membrane is immersed in nano silver particles
In liquid, it is placed in 60 DEG C of isothermal vibration casees (concussion frequency is 100r/min) and carries out nano silver growth in situ 0.5h, after growth,
40 DEG C of drying of nano fibrous membrane are taken out, the Nanofiber filter layer of loading nano silvery particle, the loading nano silvery particle are obtained
Nanofiber filter layer in nano silver particles load factor be 20wt%；By substrate layer and compound layers of nanofibers on it
Constitute air filting material.
Embodiment 3
A kind of Ke Xunhuanliyong, efficient low-resistance, antibacterial antifogging haze air filting material, is prepared via a method which
It arrives：
(1) polyamide 610 is dissolved in formic acid solvent, configuration spinning solution (concentration 15%), electrospinning parameters, voltage
19KV, push-in stroke 0.3mL/h, temperature 50 C receive distance 18cm, and spinning time 30min is prepared into using PP looped fabrics as substrate
To the nanofiber being compounded on substrate layer；
(2) preparation of nano silver solution：The silver nitrate of 0.017g is weighed, 0.020g sodium citrates are with silver nitrate
Silver-colored presoma, citric acid is as reducing agent；First silver nitrate is add to deionized water, oil bath heating makes silver nitrate to 120 DEG C
Solution boils, and sodium citrate solution is added under vigorous magnetic stirring condition, and nano silver solution is obtained after reacting 0.5h；
(3) it uses dilute hydrochloric acid to adjust the pH=7 of nano silver solution, it is molten that nano fibrous membrane is immersed in nano silver particles
In liquid, it is placed in 25 DEG C of isothermal vibration casees (concussion frequency is 0r/min) and carries out nano silver growth in situ for 24 hours, after growth, take
The 60 DEG C of drying of nanofibers film, obtain the Nanofiber filter layer of loading nano silvery particle, the loading nano silvery particle
The load factor of nano silver particles is 19wt% in Nanofiber filter layer；By substrate layer and compound layers of nanofibers structure on it
At air filting material.
Embodiment 4
A kind of Ke Xunhuanliyong, efficient low-resistance, antibacterial antifogging haze air filting material, is prepared via a method which
It arrives：
(1) polyamide 56 is dissolved in acetic acid solvent, configuration spinning solution (concentration 13%), electrospinning parameters, voltage
18KV, push-in stroke 0.2mL/h, temperature 50 C receive distance 18cm, and spinning time 30min is prepared into using PP looped fabrics as substrate
To the nanofiber being compounded on substrate layer；
(2) preparation of nano silver solution：The silver nitrate of 0.018g is weighed, 0.019g sodium citrates are with silver nitrate
Silver-colored presoma, sodium citrate is as reducing agent；First silver nitrate is add to deionized water, oil bath heating makes nitric acid to 120 DEG C
Silver-colored solution boiling, is added sodium citrate solution under vigorous magnetic stirring condition, and it is molten to obtain nano silver particles after reaction 0.5h
Liquid；
(3) it uses dilute hydrochloric acid to adjust the pH=5 of nano silver solution, it is molten that nano fibrous membrane is immersed in nano silver particles
Liquid
In, it is placed in 45 DEG C of isothermal vibration casees (concussion frequency is 100r/min) and carries out nano silver growth in situ 1h, grown junction
Shu Hou takes out 120 DEG C of drying of nano fibrous membrane, obtains the Nanofiber filter layer of loading nano silvery particle, the load nanometer
The load factor of nano silver particles is 10wt% in the Nanofiber filter layer of silver particles；By substrate layer and compound nanometer on it
Fibrous layer constitutes air filting material.
Embodiment 5
A kind of Ke Xunhuanliyong, efficient low-resistance, antibacterial antifogging haze air filting material, is prepared via a method which
It arrives：
(1) polyamide 1010 is dissolved in formic acid solvent, configuration spinning solution (concentration 14%), electrospinning parameters, electricity
It presses 18KV, push-in stroke 0.1mL/h, temperature 50 C to receive distance 16cm, spinning time 20min, is prepared by substrate of PP looped fabrics
Obtain being compounded in the nanofiber on substrate layer；
(2) preparation of nano silver solution：Weigh the silver nitrate of 0.018g, 0.019g sodium citrates, 0.018g boron hydrogen
Change sodium, is silver-colored presoma with silver nitrate, sodium citrate and sodium borohydride are as reducing agent；First silver nitrate and sodium citrate are added
Into deionized water, magnetic force, which is vigorously stirred, at room temperature makes to be completely dissolved presentation colourless transparent liquid, then sodium borohydride is dissolved in 5ml
It in deionized water, is added in colourless transparent liquid, continues to stir 1h, fully obtain nano silver solution after reaction；
(3) nano fibrous membrane is immersed in the nano silver solution of pH=4, is placed in (the concussion of 25 DEG C of isothermal vibration casees
Frequency is 50r/min) nano silver growth in situ 10h is carried out, after growth, 80 DEG C of drying of nano fibrous membrane are taken out, are born
The Nanofiber filter layer of carrying nano silver particle, nano silver particles in the Nanofiber filter layer of the loading nano silvery particle
Load factor is 20wt%；Air filting material is constituted by substrate layer and compound layers of nanofibers on it.
In air filting material of the present invention, the grain size of nano silver is 5nm~50nm；A diameter of 20nm of nanofiber
~200nm.It is reported that PM2.5 haze air environments can be simulated with smog that is fragrant and generating is burned, therefore to of the present invention
Air filting material carries out smoke adsorption experiment, and the SEM figures of the air filting material after adsorbing smoke are shown in Fig. 2, can from Fig. 2
Go out：With the extension of adsorption time, smoke particle is gradually wrapped in above fiber；While the air filtration material to having adsorbed smog
Material carries out TG-QMS tests, as a result sees Fig. 3, as can be seen from Figure 3：After 50 DEG C, there is the gas of some pollution air gradually to release
It puts, wherein NO, NO2、CO2A peak value is formed before and after 200 DEG C, shows the maximum burst size for having this kind of gas at this time, for
SO2Gas, curve forms two peak values and illustrates to have to discharge twice, and second of burst size bigger.Fig. 3 shows air filtration
Material has adsorbed NO, NO2、CO2、SO2It gas and proves that these gases are stabilized at room temperature and does not discharge, just released after high temperature
It puts.The strainability of air filting material is tested by LZC-H type filtrate combination property test desks, the results are shown in Figure 4, right
It can reach 100% filter efficiency in 2.5 μm of particles, 99% is reached for the particle filtration efficiency of 0.3 μm and 0.5 μm,
Air drag 37Pa.The air filting material for having adsorbed smog is then subjected to washing concussion in isothermal vibration case, by this sky
Gas filtering material is reused for adsorbing smoke experiment, finds out from air filting material grammes per square metre curve graph 5, air mistake after adsorbing smoke
The grammes per square metre of filter material material increases, and grammes per square metre declines after shaking washing and drying, and it is more to illustrate that air filting material of the present invention can repeat
Secondary use.
Obviously, above-described embodiment be only intended to clearly illustrate made by example, and not limitation to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And the obvious variation or change therefore amplified
It moves within still in the protection domain of the invention.
Claims (4)
1. a kind of method that growth in situ prepares Ke Xunhuanliyong, efficient low-resistance, antibacterial antifogging haze air filting material, special
Sign is, includes the following steps：
（1）Polymer is dissolved in formic acid and/or acetic acid solvent, electrostatic spinning solution is obtained；Using non-woven cloth as substrate layer,
The nano fibrous membrane being compounded on substrate layer is prepared using electrostatic spinning process；The polymer is polyamide 6, polyamide
610, polyamide 66, polyamide 11, polyamide 12, polyamide 1010, polyamide 56, polyamide 4, polyamide 8,9 and of polyamide
One or more of polyamide 810；
（2）The preparation of nano silver solution：It is silver-colored presoma, sodium citrate and sodium borohydride as reducing agent using silver nitrate, or
Person is silver-colored presoma, sodium citrate as reducing agent using silver nitrate, and nano silver solution is prepared in reaction；
（3）Nano fibrous membrane is immersed in nano silver solution, the pH value of solution is 3 ~ 7, is placed in the progress of constant temperature oscillation case
The temperature of nano silver growth in situ, the constant temperature oscillation case is 10 ~ 60 DEG C, and frequency of oscillation is 0 ~ 100 r/min, and duration of oscillation is
The temperature of 0.5 ~ 24 h, drying are 40 ~ 120 DEG C；After growth, nano fibrous membrane drying is taken out, loading nano silvery grain is obtained
The layers of nanofibers of son；Air filting material is constituted by substrate layer and compound layers of nanofibers on it.
2. according to the method described in claim 1, it is characterized in that, step（2）Described in silver nitrate be silver-colored presoma, lemon
Sour sodium and sodium borohydride are that the process that reducing agent prepares nano silver solution is：First silver nitrate and sodium citrate are added to
In ionized water, magnetic agitation makes to be completely dissolved presentation colourless transparent liquid under room temperature, then sodium borohydride is dissolved in a small amount of deionization
It in water, is added in colourless transparent liquid, continues to stir, fully obtain nano silver solution, the silver nitrate, lemon after reaction
The mass ratio of lemon acid sodium and sodium borohydride is 1:1~3:1~5；Described with silver nitrate is silver-colored presoma, and sodium citrate is reducing agent system
It is for the process of nano silver solution：Silver nitrate is dissolved in deionized water, after being vigorously stirred and being heated to boiling, by lemon
In lemon acid sodium aqueous solution fast drop to silver nitrate solution, reaction obtains nano silver solution, the nitric acid after 0.5 ~ 2 hour
The mass ratio of silver and sodium citrate is 1:1~2.
3. Ke Xunhuanliyong, efficient low-resistance, antibacterial antifogging haze the air mistake that any the method for claim 1 ~ 2 is prepared
Filter material material.
4. Ke Xunhuanliyong, efficient low-resistance, antibacterial antifogging haze air filting material according to claim 3, feature
It is, the grain size of the nano silver is 5 ~ 100 nm, a diameter of 20 ~ 200 nm of the nanofiber, the load antiseptic
Layers of nanofibers in antiseptic load capacity be the wt% of 3 wt% ~ 20.
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| 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 |
| CN109107395A (en) * | 2017-06-26 | 2019-01-01 | 中国科学院苏州纳米技术与纳米仿生研究所 | The anti-pernicious gas air filter film of anti-haze, preparation method and application |
| CN107185307A (en) * | 2017-07-10 | 2017-09-22 | 河南省安克林滤业有限公司 | A kind of efficient low-resistance electrostatic spinning nano fiber air filting material and mass preparation method |
| CN107497179A (en) * | 2017-09-26 | 2017-12-22 | 昆山盛纺非织造材料研发中心有限公司 | A kind of nano-antibacterial air filtration non-woven material and preparation method thereof |
| CN109569092A (en) * | 2018-11-07 | 2019-04-05 | 嘉兴富瑞邦新材料科技有限公司 | A kind of HVAC electret nanofiber filtration material and preparation method thereof |
| CN109316829A (en) * | 2018-11-07 | 2019-02-12 | 上海纳米技术及应用国家工程研究中心有限公司 | Preparation method of mould proof fungi-proofing hypo-allergenic anti-virus four-in-one air filtering material and products thereof and application |
| CN111514659A (en) * | 2020-05-04 | 2020-08-11 | 南通大学 | Nano cobweb antibacterial composite air filtering material and preparation method thereof |
| CN112370866A (en) * | 2020-10-28 | 2021-02-19 | 美埃(南京)纳米材料有限公司 | Degradable antibacterial nanofiber non-woven fabric composite filter material and preparation method thereof |
| CN112593341A (en) * | 2020-11-17 | 2021-04-02 | 广州市天河区暨南大学附属实验学校 | Underwater self-powered sensor and preparation method and application thereof |
| CN116116109A (en) * | 2022-06-15 | 2023-05-16 | 武汉理工大学 | Air filtration composite membrane material and preparation method thereof |
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| CN103520999B (en) * | 2012-07-06 | 2016-01-20 | 北京服装学院 | A kind of antibacterial composite nano fiber high-efficiency air filtering material and preparation method thereof |
| CN103505942A (en) * | 2013-09-30 | 2014-01-15 | 天津工业大学 | Nanofiber filter material |
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| CN106039839A (en) | 2016-10-26 |
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