CN105920920A - Novel filter-net producing technology based on graphene material - Google Patents

Novel filter-net producing technology based on graphene material Download PDF

Info

Publication number
CN105920920A
CN105920920A CN201610361534.6A CN201610361534A CN105920920A CN 105920920 A CN105920920 A CN 105920920A CN 201610361534 A CN201610361534 A CN 201610361534A CN 105920920 A CN105920920 A CN 105920920A
Authority
CN
China
Prior art keywords
graphene
novel filter
filter net
manufacture craft
grapheme
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.)
Granted
Application number
CN201610361534.6A
Other languages
Chinese (zh)
Other versions
CN105920920B (en
Inventor
田芝亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Le Kang Electrical Equipment Science And Technology Ltd
Original Assignee
Shandong Le Kang Electrical Equipment Science And Technology Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shandong Le Kang Electrical Equipment Science And Technology Ltd filed Critical Shandong Le Kang Electrical Equipment Science And Technology Ltd
Priority to CN201610361534.6A priority Critical patent/CN105920920B/en
Publication of CN105920920A publication Critical patent/CN105920920A/en
Application granted granted Critical
Publication of CN105920920B publication Critical patent/CN105920920B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/14Other self-supporting filtering material ; Other filtering material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/14Other self-supporting filtering material ; Other filtering material
    • B01D39/16Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1607Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
    • B01D39/1623Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/14Other self-supporting filtering material ; Other filtering material
    • B01D39/20Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2055Carbonaceous material
    • B01D39/2058Carbonaceous material the material being particulate
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0027Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/0028Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions provided with antibacterial or antifungal means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0027Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/0036Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • 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
    • B01D53/02Separation 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 adsorption, e.g. preparative gas chromatography
    • B01D53/04Separation 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 adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/10Filtering material manufacturing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2253/00Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10Inorganic adsorbents
    • B01D2253/102Carbon
    • 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/06Polluted air

Abstract

The invention provides a novel filter-net producing technology based on a graphene material. The novel filter-net producing technology includes the steps of selecting nanometer-scale graphene particles, ultrasonic stirring melting, high-pressure-gun spray melting and drying and forming. By means of the novel filter net produced with the technology based on the graphene material, the problems that the dust holding capacity (CCM value) is small, and a filter material is quick in attenuation are solved, the novel filter net is a high-performance filter material which is high in capacity and slow in attenuation, and organic hazardous substances in air can be thoroughly adsorbed and eliminated.

Description

A kind of based on grapheme material novel filter net manufacture craft
Technical field
The present invention relates to industrial production technology field, particularly relate to a kind of based on grapheme material novel filter net manufacture craft.
Background technology
It is known that " alkene border " air purifying process is a kind of air purifying process of new generation grapheme material and filtering technique combined.
Graphene relies on structure and the physical and chemical performance of its uniqueness in recent years, have become as " the new trump " in air treating field, grapheme material can and organic pollution between produce strong complex reaction, play good adsorption effect, bacterium directly can also be killed, fundamentally administer air ambient.
The problems such as at present grapheme material has been applied to remove the air pollutants such as formaldehyde, but current product there is problems in that filtering material dust containing capacity little (CCM value), and filtering material decay is fast, and Organic Hazardous Compounds in elimination air is the most thorough.
Summary of the invention
The technical problem to be solved in the present invention is for the weak point existing for prior art, there is provided a kind of based on grapheme material novel filter net manufacture craft, utilize what this technique made to overcome filtering material dust containing capacity little (CCM value) based on grapheme material novel filter net, the problem that filtering material decay is fast, it is that a kind of capacity is high, decay slow high-performance filter material, the Organic Hazardous Compounds that can thoroughly adsorb and eliminate in air.
A kind of based on grapheme material novel filter net manufacture craft, including the choosing of nanoscale graphite alkene particle, ultrasonic agitation is melted, High Pressure Gun spray fusing and drying and moulding.
As preferably, choosing of described nanoscale graphite alkene particle: choose the graphene powder particle of a diameter of 5-10 nanometer, by graphene nano particle, antioxidant and the hydrosol by weight 10:1:1 proportioning.
As preferably, described ultrasonic agitation melts: by graphene nano particle, antioxidant and the hydrosol by weight after 10:1:1 proportioning, mechanically it is compound to together through ultrasonic agitation at 30 DEG C, is warming up to 300 DEG C and makes mixture melt, make nano-graphene material.
As preferably, described High Pressure Gun spray fusing: before carrying out High Pressure Gun spray fusing, first choose the hollow three-dimensional polypropylene fibrous material that fineness is 3D-7D, without grapheme material directly essence shredding, combing shaping fine fiber layer base material.
As preferably, when essence shredding, combing thickness account for form whole HEPA filter screen fine fiber layer base material single page thickness 20%, start to spray nano-graphene material, HEPA filter screen fine fiber layer base material single page thickness 0.1 ~ 1.5mm after essence shredding, combing and combing.
As preferably, after the shredding of described essence, combing thickness account for the 20% of the whole HEPA filter screen fine fiber layer base material single page thickness of composition, it is introduced on the reception device under melt-blown spinneret, the nano-graphene material prepared is put into solid-state aerosol type High Pressure Gun, and injection strong pressure is adjusted at 6-7KPa, and uniformly it is injected on fine fiber layer base material.
As preferably, base material and Graphene is made to interpenetrate, merge, to improve its dispersiveness in polypropylene material, graphene nano particle passes through fiber sheath under the promotion of pressure, uniformly being embedded in inner. layers gap, it is 15g/m that Graphene to reach shared grapheme material novel filter net part by weight2
As preferably, described drying and moulding: make the Graphene fine fiber layer base material that thickness is 0.1 ~ 1.5mm according to using product requirement, it is processed to form Graphene HEPA screen pack again through MULTILAYER COMPOSITE, finally being placed on 40 DEG C of vacuum drying chambers, to be dried 24h dried, form it into the composite filter material of the doped graphene nano material with a large amount of cavity, i.e. HEPA filter mesh layer.
As preferably, invention filter material accumulation purge amount CCM is: M particulate matter >=9000/mg.
As preferably, radial fragmentation intensity 500N/cm.
Beneficial effects of the present invention:
Nanoscale graphite alkene is made to be distributed in uniformly among fine fiber layer, the maximized characteristic that make use of nanoscale graphite alkene;Greatly improve intensity and the toughness of composite so that the performance of composite is greatly improved.
Through overtesting, screen pack of the present invention is the material that in current filter material, intensity is higher, its radial fragmentation intensity 500N/cm, and it has again good elasticity simultaneously, and stretch range can reach the 20% of own dimensions.
Graphene has bigger theoretical specific surface area, ink alkene material novel filter net of the present invention, its graphene uniform permeates in filter screen substrate gap, make filter screen fibre composition have the biggest specific surface area and have a lot of microcellular structure above, therefore have higher adsorption effect compared with traditional filtering material.
According to standard GB/T/T18801-2015, above-mentioned filter screen has been carried out the test of particulate matter accumulation purge amount CCM, with common material contrast, under comparable conditions, the accumulation purge amount CCM performance of material improves 18%, in laboratory conditions, drawing with specific soot dust granule thing for target contaminant test, filter material accumulation purge amount CCM of the present invention is: M particulate matter >=9000/mg.
Being a kind of high-performance filter material decaying slow, capacity is high, and common filter material accumulation purge amount CCM value is: M particulate matter≤8000/mg, and therefore under general environment, filter screen of the present invention uses duration substantially to increase.
Accompanying drawing explanation
Fig. 1 is present invention process chart based on grapheme material novel filter net manufacture craft.
Detailed description of the invention
For purposes of illustration only, below in conjunction with the accompanying drawings, to elaborating based on grapheme material novel filter net manufacture craft of invention.
As shown in fig. 1, the technical solution of the present invention is to provide following a kind of based on grapheme material novel filter net manufacture craft, and including the choosing of nanoscale graphite alkene particle, ultrasonic agitation is melted, High Pressure Gun spray fusing and drying and moulding.
1, the choosing of nanoscale graphite alkene particle:
Choose the graphene powder particle of a diameter of 5-10 nanometer, by graphene nano particle, antioxidant and the hydrosol by weight 10:1:1 proportioning.
2, ultrasonic agitation melts:
By graphene nano particle, antioxidant and the hydrosol by weight after 10:1:1 proportioning, mechanically it is compound to together through ultrasonic agitation at 30 DEG C, is warming up to 300 DEG C and makes mixture melt, make nano-graphene material.
3, High Pressure Gun spray fusing:
Before carrying out High Pressure Gun spray fusing, first choose the hollow three-dimensional polypropylene fibrous material that fineness is 3D-7D, without grapheme material directly essence shredding, combing shaping fine fiber layer base material, when essence shredding, combing thickness account for form whole HEPA filter screen fine fiber layer base material single page thickness 20%, start to spray nano-graphene material, HEPA filter screen fine fiber layer base material single page thickness 0.1 ~ 1.5mm after essence shredding, combing and combing.
Essence shredding, after combing thickness accounts for the 20% of the whole HEPA filter screen fine fiber layer base material single page thickness of composition, it is introduced on the reception device under melt-blown spinneret, the nano-graphene material prepared is put into solid-state aerosol type High Pressure Gun, and injection strong pressure is adjusted at 6-7KPa, and be uniformly injected on fine fiber layer base material, base material is interpenetrated with Graphene, merge, to improve its dispersiveness in polypropylene material, graphene nano particle passes through fiber sheath under the promotion of pressure, uniformly it is embedded in inner. layers gap, it is 15g/m that Graphene to reach shared grapheme material novel filter net part by weight2
4, drying and moulding:
The Graphene fine fiber layer base material that thickness is 0.1 ~ 1.5mm is made according to using product requirement, it is processed to form Graphene HEPA screen pack again through MULTILAYER COMPOSITE, finally being placed on 40 DEG C of vacuum drying chambers, to be dried 24h dried, form it into the composite filter material of the doped graphene nano material with a large amount of cavity, i.e. HEPA filter mesh layer.
Filter material accumulation purge amount CCM of the present invention is: M particulate matter >=9000/mg, radial fragmentation intensity 500N/cm.
In the above-described embodiments, the preferred forms of the present invention is described, it is clear that; under the inventive concept of the present invention, still can make a lot of change, at this; it should be noted that any change made under the inventive concept of the present invention falls within protection scope of the present invention.

Claims (10)

1. A kind of based on grapheme material novel filter net manufacture craft, it is characterized in that: include the choosing of nanoscale graphite alkene particle, ultrasonic agitation is melted, High Pressure Gun spray fusing and drying and moulding.
2. According to claim 1 based on grapheme material novel filter net manufacture craft, it is characterized in that: choosing of described nanoscale graphite alkene particle: choose the graphene powder particle of a diameter of 5-10 nanometer, by graphene nano particle, antioxidant and the hydrosol by weight 10:1:1 proportioning.
3. According to claim 2 based on grapheme material novel filter net manufacture craft, it is characterized in that: described ultrasonic agitation melts: by graphene nano particle, antioxidant and the hydrosol by weight after 10:1:1 proportioning, mechanically it is compound to together through ultrasonic agitation at 30 DEG C, being warming up to 300 DEG C makes mixture melt, and makes nano-graphene material.
4. According to claim 3 based on grapheme material novel filter net manufacture craft, it is characterized in that: described High Pressure Gun spray fusing: before carrying out High Pressure Gun spray fusing, first choose the hollow three-dimensional polypropylene fibrous material that fineness is 3D-7D, without grapheme material directly essence shredding, combing shaping fine fiber layer base material.
5. According to claim 4 based on grapheme material novel filter net manufacture craft, it is characterized in that: when essence shredding, combing thickness account for form whole HEPA filter screen fine fiber layer base material single page thickness 20%, start to spray nano-graphene material, HEPA filter screen fine fiber layer base material single page thickness 0.1 ~ 1.5mm after essence shredding, combing and combing.
6. According to claim 5 based on grapheme material novel filter net manufacture craft, it is characterized in that: after the shredding of described essence, combing thickness account for the 20% of the whole HEPA filter screen fine fiber layer base material single page thickness of composition, it is introduced on the reception device under melt-blown spinneret, the nano-graphene material prepared is put into solid-state aerosol type High Pressure Gun, and injection strong pressure is adjusted at 6-7KPa, and uniformly it is injected on fine fiber layer base material.
7. According to claim 6 based on grapheme material novel filter net manufacture craft, it is characterized in that: make base material and Graphene interpenetrate, merge, to improve its dispersiveness in polypropylene material, graphene nano particle passes through fiber sheath under the promotion of pressure, uniformly being embedded in inner. layers gap, it is 15g/m that Graphene to reach shared grapheme material novel filter net part by weight2
8. According to claim 7 based on grapheme material novel filter net manufacture craft, it is characterized in that: described drying and moulding: make, according to using product requirement, the Graphene fine fiber layer base material that thickness is 0.1 ~ 1.5mm, it is processed to form Graphene HEPA screen pack again through MULTILAYER COMPOSITE, finally being placed on 40 DEG C of vacuum drying chambers, to be dried 24h dried, form it into the composite filter material of the doped graphene nano material with a large amount of cavity, i.e. HEPA filter mesh layer.
9. According to claim 8 based on grapheme material novel filter net manufacture craft, it is characterized in that: invention filter material accumulation purge amount CCM is: M particulate matter >=9000/mg.
The most according to claim 8 based on grapheme material novel filter net manufacture craft, it is characterized in that: radial fragmentation intensity 500N/cm.
CN201610361534.6A 2016-05-27 2016-05-27 One kind is based on grapheme material technology for making net filter Active CN105920920B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610361534.6A CN105920920B (en) 2016-05-27 2016-05-27 One kind is based on grapheme material technology for making net filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610361534.6A CN105920920B (en) 2016-05-27 2016-05-27 One kind is based on grapheme material technology for making net filter

Publications (2)

Publication Number Publication Date
CN105920920A true CN105920920A (en) 2016-09-07
CN105920920B CN105920920B (en) 2017-11-24

Family

ID=56841450

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610361534.6A Active CN105920920B (en) 2016-05-27 2016-05-27 One kind is based on grapheme material technology for making net filter

Country Status (1)

Country Link
CN (1) CN105920920B (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107185312A (en) * 2017-06-06 2017-09-22 明光市裕阳农业有限公司 A kind of preparation method of airstrainer
CN107803066A (en) * 2017-12-06 2018-03-16 范鸣 The splice type filtering material for air purifying of one kind of multiple combinations of materials
CN108050878A (en) * 2017-11-27 2018-05-18 浙江兴益风机电器有限公司 It is a kind of using graphene as the composition prescription and manufacturing process of the heat exchanger chip of matrix
CN108344078A (en) * 2018-04-11 2018-07-31 东北大学 The air circulation purification system and its control method of automatic periodic replacement strainer
CN109731413A (en) * 2019-02-22 2019-05-10 常州兴烯石墨烯科技有限公司 A kind of functionality graphene airstrainer and preparation method thereof
CN109812359A (en) * 2017-11-21 2019-05-28 广州泓一生物科技有限公司 A kind of automobile engine airstrainer and preparation method thereof with catalysis
CN109847480A (en) * 2019-04-11 2019-06-07 安徽省利特环保技术有限公司 A kind of bipolarity filter bag and its manufacture craft
CN110585803A (en) * 2019-09-29 2019-12-20 江苏亿茂滤材有限公司 Self-charging non-woven fabric for blowing loaded micro-nano particles and preparation method and application thereof
CN110964306A (en) * 2018-09-29 2020-04-07 宁波方太厨具有限公司 Preparation method of waterborne polyurethane conductive gel and air filter screen
CN111643985A (en) * 2020-06-23 2020-09-11 北京大平咏道营销策划有限公司 Low-wind-resistance filter screen manufacturing process based on graphene modified activated carbon material

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103276532A (en) * 2013-06-19 2013-09-04 南京际华三五二一环保科技有限公司 Method for preparing antistatic filter material
CN103449420A (en) * 2013-08-22 2013-12-18 中国科学院金属研究所 High-quality graphene dispersion method and film preparation method
CN104088135A (en) * 2014-06-03 2014-10-08 上海交通大学 Method for utilizing graphene to modify filter-material fiber of bag-type deduster
CN104492674A (en) * 2014-11-20 2015-04-08 东南大学 Method for preparing graphene-based air conditioner filter net by spraying method
CN104606802A (en) * 2015-01-22 2015-05-13 东南大学 Filter element and preparation method and application thereof
US20150217219A1 (en) * 2014-01-31 2015-08-06 Lockheed Martin Corporation Processes for forming composite structures with a two-dimensional material using a porous, non-sacrificial supporting layer
CN105251268A (en) * 2015-11-03 2016-01-20 杜茂龙 Graphene-based air filter material and preparation method thereof
CN105268327A (en) * 2015-03-17 2016-01-27 青岛瑞利特新材料科技有限公司 Graphene anti-PM2.5 mouth mask filter sheet functional layer and applications in filter sheet
CN205216513U (en) * 2015-12-17 2016-05-11 唐山艾米电子科技有限公司 Compound filter screen of graphite alkene

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103276532A (en) * 2013-06-19 2013-09-04 南京际华三五二一环保科技有限公司 Method for preparing antistatic filter material
CN103449420A (en) * 2013-08-22 2013-12-18 中国科学院金属研究所 High-quality graphene dispersion method and film preparation method
US20150217219A1 (en) * 2014-01-31 2015-08-06 Lockheed Martin Corporation Processes for forming composite structures with a two-dimensional material using a porous, non-sacrificial supporting layer
CN104088135A (en) * 2014-06-03 2014-10-08 上海交通大学 Method for utilizing graphene to modify filter-material fiber of bag-type deduster
CN104492674A (en) * 2014-11-20 2015-04-08 东南大学 Method for preparing graphene-based air conditioner filter net by spraying method
CN104606802A (en) * 2015-01-22 2015-05-13 东南大学 Filter element and preparation method and application thereof
CN105268327A (en) * 2015-03-17 2016-01-27 青岛瑞利特新材料科技有限公司 Graphene anti-PM2.5 mouth mask filter sheet functional layer and applications in filter sheet
CN105251268A (en) * 2015-11-03 2016-01-20 杜茂龙 Graphene-based air filter material and preparation method thereof
CN205216513U (en) * 2015-12-17 2016-05-11 唐山艾米电子科技有限公司 Compound filter screen of graphite alkene

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107185312A (en) * 2017-06-06 2017-09-22 明光市裕阳农业有限公司 A kind of preparation method of airstrainer
CN109812359A (en) * 2017-11-21 2019-05-28 广州泓一生物科技有限公司 A kind of automobile engine airstrainer and preparation method thereof with catalysis
CN108050878A (en) * 2017-11-27 2018-05-18 浙江兴益风机电器有限公司 It is a kind of using graphene as the composition prescription and manufacturing process of the heat exchanger chip of matrix
CN108050878B (en) * 2017-11-27 2019-10-18 浙江兴益风机电器有限公司 It is a kind of using graphene as the composition prescription of the heat exchanger chip of matrix and manufacturing process
CN107803066A (en) * 2017-12-06 2018-03-16 范鸣 The splice type filtering material for air purifying of one kind of multiple combinations of materials
CN108344078A (en) * 2018-04-11 2018-07-31 东北大学 The air circulation purification system and its control method of automatic periodic replacement strainer
CN110964306A (en) * 2018-09-29 2020-04-07 宁波方太厨具有限公司 Preparation method of waterborne polyurethane conductive gel and air filter screen
CN109731413A (en) * 2019-02-22 2019-05-10 常州兴烯石墨烯科技有限公司 A kind of functionality graphene airstrainer and preparation method thereof
CN109847480A (en) * 2019-04-11 2019-06-07 安徽省利特环保技术有限公司 A kind of bipolarity filter bag and its manufacture craft
CN110585803A (en) * 2019-09-29 2019-12-20 江苏亿茂滤材有限公司 Self-charging non-woven fabric for blowing loaded micro-nano particles and preparation method and application thereof
CN110585803B (en) * 2019-09-29 2022-04-22 亿茂环境科技股份有限公司 Self-charging non-woven fabric for blowing loaded micro-nano particles and preparation method and application thereof
CN111643985A (en) * 2020-06-23 2020-09-11 北京大平咏道营销策划有限公司 Low-wind-resistance filter screen manufacturing process based on graphene modified activated carbon material

Also Published As

Publication number Publication date
CN105920920B (en) 2017-11-24

Similar Documents

Publication Publication Date Title
CN105920920A (en) Novel filter-net producing technology based on graphene material
Liu et al. Progress on particulate matter filtration technology: basic concepts, advanced materials, and performances
Li et al. Anionic surfactant-triggered steiner geometrical poly (vinylidene fluoride) nanofiber/nanonet air filter for efficient particulate matter removal
Tian et al. Natural polypeptides treat pollution complex: Moisture-resistant multi-functional protein nanofabrics for sustainable air filtration
CN104627977B (en) Graphene oxide reinforced composite carbon nanopaper and production method thereof
CN104689724B (en) A kind of organic and inorganic composite nanofiber membrane filtration material and preparation method thereof
CN109674087B (en) Polymer-based cigarette filter tip material with excellent temperature control effect and preparation method thereof
Sun et al. Rational design of electrospun nanofibers for gas purification: Principles, opportunities, and challenges
Li et al. Multifunctional and efficient air filtration: a natural nanofilter prepared with zein and polyvinyl alcohol
Huang et al. Hypercrosslinked porous polymers hybridized with graphene oxide for water treatment: dye adsorption and degradation
Zhang et al. Preparation of hierarchically structured PCL superhydrophobic membrane via alternate electrospinning/electrospraying techniques
CN109701504A (en) A kind of graphene antibacterial mask filtering material and its preparation method and application
Lee et al. Polyacrylonitrile nanofiber membranes modified with Ni-based conductive metal organic frameworks for air filtration and respiration monitoring
Zhu et al. Preparation of high strength ultrafine polyvinyl chloride fibrous membrane and its adsorption of cationic dye
Gaminian et al. Carbon black enhanced conductivity, carbon yield and dye adsorption of sustainable cellulose derived carbon nanofibers
EP2031679A3 (en) Composite electrodes
CN107185312A (en) A kind of preparation method of airstrainer
WO2019065517A1 (en) Sheet and method of manufacturing same
CN107266711A (en) Graphene oxide hybrid fire retardant and preparation method thereof
Chen et al. Influence of mixed alkali on the preparation of edible fungus substrate porous carbon material and its application for the removal of dye
Sepahvand et al. Recent developments in nanocellulose-based aerogels as air filters: A review
Pang et al. Ultralight ethyl cellulose-based electret fiber membrane for low-resistance and high-efficient capture of PM2. 5
Sabzehmeidani et al. Adsorbents based on nanofibers
Wu et al. Facile preparation of CuMOF-modified multifunctional nanofiber membrane for high-efficient filtration/separation in complex environments
CN104649361B (en) Water purification material and preparation method thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant