CN105854414A - Composite filter material for air purifier and a preparation method thereof - Google Patents
Composite filter material for air purifier and a preparation method thereof Download PDFInfo
- Publication number
- CN105854414A CN105854414A CN201610200639.3A CN201610200639A CN105854414A CN 105854414 A CN105854414 A CN 105854414A CN 201610200639 A CN201610200639 A CN 201610200639A CN 105854414 A CN105854414 A CN 105854414A
- Authority
- CN
- China
- Prior art keywords
- adhesive
- air purifier
- nano
- composite filtering
- filtering material
- 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.)
- Pending
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
- B01D53/00—Separation 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/14—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by a layer differing constitutionally or physically in different parts, e.g. denser near its faces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/03—3 layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2327/00—Polyvinylhalogenides
- B32B2327/12—Polyvinylhalogenides containing fluorine
- B32B2327/18—PTFE, i.e. polytetrafluoroethylene
Abstract
The invention provides a composite filter material for an air purifier and a preparation method thereof. The filter material comprises a polytetrafluoroethylene film layer, an adhesive layer and a base layer. The adhesive layer is arranged between the polytetrafluoroethylene layer and the base layer, and the adhesive layer is filled with a nano photocatalyst material. The preparation method comprises the steps of: separately preparing a polytetrafluoroethylene film layer, an adhesive layer and a base layer; compounding the adhesive layer to the base layer; then compounding the polytetrafluoroethylene film layer on the surface of the adhesive layer of the composite material, so as to prepare the composite filter material for the air purifier. Compared with the prior art, the invention has the following beneficial effects: the adhesive is supplemented with the nano-oxide sulphide with photocatalytic effect, and can effectively degrade toxic substances in the indoor air, such as formaldehyde.
Description
Technical field
The present invention relates to a kind of composite filtering material in air purifier and preparation method thereof, belong to air filting material skill
Art field.
Background technology
Presently used air purifier is usually the non-woven fabrics of various material, and on the one hand its filter efficiency is difficult to reach H13
Grade, on the other hand depend on the appearance dirt rate of this filtrate its service life, i.e. dust and various pollutant are by this filtrate
Time, it is trapped within inside this filtrate, after being packed with dust inside filtrate, it is impossible to be continuing with.On the one hand this have impact on
In the service life of filtrate, on the other hand rest in filtrate after dust and various pollution, easy breed bacteria, form secondary
Pollute.For solving the problems referred to above, Chinese patent CN103962101 discloses a kind of in indoor air cleaner
Filtrate, in this filtrate be mainly composed of graphene oxide, chitosan, wool keratin, calcium alginate, cross-linking agent and
Deionized water forms, and has three-dimensional porous structure, good mechanical performance, renewable, degradable, environmental protection and height
The advantages such as effect adsorptivity, but, owing to which using chitosan and graphene oxide, substantially increase production cost,
It is difficult to popularize.
Summary of the invention
For defect of the prior art, it is an object of the invention to provide a kind of composite filtering material in air purifier
And preparation method thereof.
The present invention is achieved by the following technical solutions:
First aspect, the invention provides a kind of composite filtering material in air purifier, and it includes that politef is thin
Film layer, adhesive layer and substrate layer, described adhesive layer is arranged between polytetrafluoroethylene floor and substrate layer, and gluing
Oxidant layer is filled with nano-photocatalyst material.
Preferably, the material of described polytetrafluoroethylene film layer is the expanded PTFE three with loose structure
Dimension oriented film.Expanded PTFE three-dimensional stretched film has 3 D stereo loose structure, and breathability is preferable.
Preferably, described expanded PTFE 3 D stereo oriented film, its porosity is 65～95%, flat
All apertures are 0.005～2.5um, and thickness is 0.5～3.5um.
Preferably, described nano-photocatalyst material is (0.1～5) with the mass ratio of adhesive: (95～99.9),
Nano-photocatalyst material not only can make adhesive play photocatalysis effect with the mixing of adhesive, it is also possible to improves gluing
The adhesion property of agent, is similar in concrete add the effect of sandstone, but, nano-photocatalyst material and the ratio of adhesive
Example also has strict demand, if because higher than this ratio, nano-photocatalyst material consumption is too much, not only increases cost,
Also can affect the adhesion property of adhesive, easy degumming of long duration；If less than this ratio, photocatalysis effect is poor.
Preferably, described nano-photocatalyst material be nano titanium oxide, nano zine oxide, nano tin dioxide,
At least one in nano zirconium dioxide, Nano cadmium sulphide.
Preferably, described adhesive is polyurethanes adhesive or epoxies adhesive.
Preferably, described polyurethanes adhesive is water-soluble poly ether-based polyurethane；Described Epoxy adhesive is
Water-based room temperature cured epoxy glue.
Preferably, the material of described substrate layer is Nomex or non-woven fabrics.
Second aspect, present invention also offers the preparation side of a kind of composite filtering material being as previously described in air purifier
Method, it comprises the steps:
After nano-photocatalyst material is stirred with adhesive, mixed homogeneously, it is coated in substrate layer surface；
Expanded PTFE microporous membrane is covered in substrate layer surface, carries out hot pressing and be combined, prepare described clean for air
Change the composite filtering material in device.
Preferably, described nano-photocatalyst material is 60～210 DEG C with the mixing temperature of adhesive, and mixing speed is
0.5～10r/min；
Described glue-spread is 0.5～100g/m2；
Described hot pressing temperature is 50～250 DEG C, and pressure is 0.05～18MPa.
Compared with prior art, the present invention has a following beneficial effect:
1, this polytetrafluoroethylene film is microcellular structure, and aperture is controlled in 0.05～2.5 μm, for the filtration of PM0.3
Efficiency reaches more than 99.9%；
2, in this binding agent, interpolation has the nano-scale oxide sulfide of photocatalysis effect, Interior Space of can effectively degrading
In gas such as noxious substances such as formaldehyde；
3, this composite filtering material dust-collecting face is that PTFE overlay film face, dust and various pollutant are trapped within film surface, by
In PTFE thin film, there is non-stick, dust and the pollutant on film surface can be removed by the way of washing, thus reach
Reusable effect, can avoid again dust and the secondary pollution of various pollutant.
Accompanying drawing explanation
By the detailed description non-limiting example made with reference to the following drawings of reading, the further feature of the present invention,
Purpose and advantage will become more apparent upon:
Fig. 1 is the structural representation of the present invention；
In figure: 1, polytetrafluoroethylene film layer；2, substrate layer；3, adhesive layer.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.Following example will assist in those skilled in the art
Member is further appreciated by the present invention, but limits the present invention the most in any form.It should be pointed out that, the common skill to this area
For art personnel, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement.These broadly fall into
Protection scope of the present invention.
Embodiment 1
The present embodiment relates to a kind of composite filtering material in air purifier, and its structure is as it is shown in figure 1, include poly-four
Fluoroethylene film layer 1, substrate layer 2 and adhesive layer 3, adhesive layer 3 is arranged at polytetrafluoroethylene floor 1 and substrate layer 2
Between, and adhesive layer 3 is filled with nano-photocatalyst material.
The material of polytetrafluoroethylene film layer is the expanded PTFE three-dimensional oriented film with loose structure, this varicosity
Politef 3 D stereo oriented film, its porosity is 68%, and average pore size is 0.007um, and thickness is 3.5um.
Nano-photocatalyst material is 0.1:99.9 with the mass ratio of adhesive.
Nano-photocatalyst material be nano titanium oxide, adhesive be water-soluble poly ether-based polyurethane class adhesive.
The material of substrate layer is non-woven fabrics.
Second aspect, present invention also offers the preparation side of a kind of composite filtering material being as previously described in air purifier
Method, it comprises the steps:
By nano-photocatalyst material and adhesive is that the ratio of 0.1:99.9 is 65 DEG C, mixing speed 1r/min in mass ratio
Under conditions of after mix homogeneously, be coated in the surface of substrate layer, glue-spread is 0.8g/m2；Expanded PTFE is micro-
The adhesive surface of the substrate layer that pore membrane is good with gluing, temperature is 60 DEG C, pressure is that hot pressing is compound under the conditions of 2MPa prepares
Composite filtering material in air purifier.
Embodiment 2
The present embodiment relates to a kind of composite filtering material in air purifier, and its structure is as it is shown in figure 1, include poly-four
Fluoroethylene film layer 1, substrate layer 2 and adhesive layer 3, adhesive layer 3 is arranged at polytetrafluoroethylene floor 1 and substrate layer 2
Between, and adhesive layer 3 is filled with nano-photocatalyst material.
The material of polytetrafluoroethylene film layer is the expanded PTFE three-dimensional oriented film with loose structure, this varicosity
Politef 3 D stereo oriented film, its porosity is 75%, and average pore size is 1.5um, and thickness is 2.5um.
Nano-photocatalyst material is 5:95 with the mass ratio of adhesive.
Nano-photocatalyst material is nano zine oxide, and adhesive is water-based room temperature cured epoxy glue.
The material of substrate layer is Nomex.
Second aspect, present invention also offers the preparation side of a kind of composite filtering material being as previously described in air purifier
Method, it comprises the steps:
By nano-photocatalyst material and adhesive is that the ratio of 5:95 is 105 DEG C, mixing speed 2r/min in mass ratio
Under conditions of after mix homogeneously, be coated in the surface of substrate layer, glue-spread is 5g/m2；By expanded PTFE micropore
The adhesive surface of the substrate layer that film is good with gluing, temperature is 90 DEG C, pressure is that hot pressing is compound under the conditions of 2.5MPa prepares
Composite filtering material in air purifier.
Embodiment 3
The present embodiment relates to a kind of composite filtering material in air purifier, and its structure is as it is shown in figure 1, include poly-four
Fluoroethylene film layer 1, substrate layer 2 and adhesive layer 3, adhesive layer 3 is arranged at polytetrafluoroethylene floor 1 and substrate layer 2
Between, and adhesive layer 3 is filled with nano-photocatalyst material.
The material of polytetrafluoroethylene film layer is the expanded PTFE three-dimensional oriented film with loose structure, this varicosity
Politef 3 D stereo oriented film, its porosity is 93%, and average pore size is 1.3um, and thickness is 2.7um.
Nano-photocatalyst material is 3:97 with the mass ratio of adhesive.
Nano-photocatalyst material is nano tin dioxide, and adhesive is water-soluble poly ether-based polyurethane.
The material of substrate layer is Nomex.
Second aspect, present invention also offers the preparation side of a kind of composite filtering material being as previously described in air purifier
Method, it comprises the steps:
By nano-photocatalyst material and adhesive is that the ratio of 3:97 is 128 DEG C, mixing speed 2.5r/min in mass ratio
Under conditions of after mix homogeneously, be coated in the surface of substrate layer, glue-spread is 76g/m2；By expanded PTFE micropore
The adhesive surface of the substrate layer that film is good with gluing, temperature is 125 DEG C, pressure is that hot pressing is compound under the conditions of 7MPa prepares
Composite filtering material in air purifier.
Embodiment 4
The present embodiment relates to a kind of composite filtering material in air purifier, and its structure is as it is shown in figure 1, include poly-four
Fluoroethylene film layer 1, substrate layer 2 and adhesive layer 3, adhesive layer 3 is arranged at polytetrafluoroethylene floor 1 and substrate layer 2
Between, and adhesive layer 3 is filled with nano-photocatalyst material.
The material of polytetrafluoroethylene film layer is the expanded PTFE three-dimensional oriented film with loose structure, this varicosity
Politef 3 D stereo oriented film, its porosity is 83%, and average pore size is 1.5um, and thickness is 2.8um.
Nano-photocatalyst material is 1.5:98.5 with the mass ratio of adhesive.
Nano-photocatalyst material is nano zirconium dioxide, and adhesive is water-based room temperature cured epoxy glue.
The material of substrate layer is non-woven fabrics.
Second aspect, present invention also offers the preparation side of a kind of composite filtering material being as previously described in air purifier
Method, it comprises the steps:
By nano-photocatalyst material and adhesive is that the ratio of 1.5:98.5 is 179 DEG C, mixing speed in mass ratio
Under conditions of 2.1r/min after mix homogeneously, being coated in the surface of substrate layer, glue-spread is 36g/m2；By e-PTFE
The adhesive surface of the substrate layer that ethylene microporous membrane is good with gluing, temperature is 75 DEG C, pressure is hot pressing under the conditions of 15MPa
The compound composite filtering material prepared in air purifier.
Embodiment 5
The present embodiment relates to a kind of composite filtering material in air purifier, and its structure is as it is shown in figure 1, include poly-four
Fluoroethylene film layer 1, substrate layer 2 and adhesive layer 3, adhesive layer 3 is arranged at polytetrafluoroethylene floor 1 and substrate layer 2
Between, and adhesive layer 3 is filled with nano-photocatalyst material.
The material of polytetrafluoroethylene film layer is the expanded PTFE three-dimensional oriented film with loose structure, this varicosity
Politef 3 D stereo oriented film, its porosity is 87%, and average pore size is 1.9um, and thickness is 1.8um.
Nano-photocatalyst material is 3.5:96.5 with the mass ratio of adhesive.
Nano-photocatalyst material is Nano cadmium sulphide, and adhesive is water-based room temperature cured epoxy glue.
The material of substrate layer is non-woven fabrics.
Second aspect, present invention also offers the preparation side of a kind of composite filtering material being as previously described in air purifier
Method, it comprises the steps:
By nano-photocatalyst material and adhesive is that the ratio of 3.5:96.5 is 158 DEG C, mixing speed in mass ratio
Under conditions of 2.1r/min after mix homogeneously, being coated in the surface of substrate layer, glue-spread is 98g/m2；By e-PTFE
The adhesive surface of the substrate layer that ethylene microporous membrane is good with gluing, temperature is 190 DEG C, pressure is hot pressing under the conditions of 15MPa
The compound composite filtering material prepared in air purifier.
In sum, the dust-collecting face of composite filtering material prepared by the present invention is PTFE overlay film face, dust and various pollutant quilt
It is trapped in film surface, owing to PTFE thin film has non-stick, the dust on film surface can be removed by the way of washing
And pollutant, thus reach reusable effect, dust and the secondary pollution of various pollutant can be avoided again；Bonding
Agent is added there is the nano-scale oxide sulfide of photocatalysis effect, can effectively degrade in room air such as formaldehyde etc.
Noxious substance.
Above the specific embodiment of the present invention is described.It is to be appreciated that the invention is not limited in
Stating particular implementation, those skilled in the art can make various deformation or amendment within the scope of the claims,
This has no effect on the flesh and blood of the present invention.
Claims (10)
1. the composite filtering material in the air purifier, it is characterised in that include polytetrafluoroethylene film layer,
Adhesive layer and substrate layer, described adhesive layer is arranged between polytetrafluoroethylene floor and substrate layer, and adhesive
Nano-photocatalyst material it is filled with in Ceng.
2. the composite filtering material in air purifier as claimed in claim 1, it is characterised in that described poly-four
The material of fluoroethylene film layer is the expanded PTFE three-dimensional oriented film with loose structure.
3. the composite filtering material in air purifier as claimed in claim 2, it is characterised in that described varicosity
Politef 3 D stereo oriented film, its porosity is 65～95%, and average pore size is 0.005～2.5um, thick
Degree is 0.5～3.5um.
4. the composite filtering material in air purifier as claimed in claim 1, it is characterised in that described nanometer
Catalysis material is (0.1～5) with the mass ratio of adhesive: (95～99.9).
5. the composite filtering material in air purifier as claimed in claim 1, it is characterised in that described nanometer
Catalysis material is nano titanium oxide, nano zine oxide, nano tin dioxide, nano zirconium dioxide, nanometer sulfuration
At least one in cadmium.
6. the composite filtering material in air purifier as claimed in claim 1, it is characterised in that described gluing
Agent is polyurethanes adhesive or Epoxy adhesive.
7. the composite filtering material in air purifier as claimed in claim 6, it is characterised in that described poly-ammonia
Esters adhesive is water-soluble poly ether-based polyurethane；Described Epoxy adhesive is water-based room temperature cured epoxy glue.
8. the composite filtering material in air purifier as claimed in claim 1, it is characterised in that described substrate layer
Material be Nomex or non-woven fabrics.
9. a preparation method for the composite filtering material in air purifier as claimed in claim 1, its feature exists
In, comprise the steps:
After nano-photocatalyst material is stirred with adhesive, mixed homogeneously, it is coated in substrate layer surface；
Expanded PTFE microporous membrane is covered in substrate layer surface, carries out hot pressing and be combined, prepare described clean for air
Change the composite filtering material in device.
10. the preparation method of the composite filtering material in air purifier as claimed in claim 9, it is characterised in that
Described nano-photocatalyst material is 60～210 DEG C with the mixing temperature of adhesive, and mixing speed is 0.5～10r/min；
Described glue-spread is 0.5～100g/m2；
Described hot pressing temperature is 50～250 DEG C, and pressure is 0.05～18MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610200639.3A CN105854414A (en) | 2016-03-31 | 2016-03-31 | Composite filter material for air purifier and a preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610200639.3A CN105854414A (en) | 2016-03-31 | 2016-03-31 | Composite filter material for air purifier and a preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105854414A true CN105854414A (en) | 2016-08-17 |
Family
ID=56627106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610200639.3A Pending CN105854414A (en) | 2016-03-31 | 2016-03-31 | Composite filter material for air purifier and a preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105854414A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109173471A (en) * | 2018-10-26 | 2019-01-11 | 浙江鸿盛环保科技集团有限公司 | double-layer filter material and filter bag |
| CN109224664A (en) * | 2018-10-26 | 2019-01-18 | 浙江鸿盛环保科技集团有限公司 | Stainless steel double-layer filter material and bouffancy filter bag |
| CN111991920A (en) * | 2020-07-02 | 2020-11-27 | 南京玻璃纤维研究设计院有限公司 | Filter material and preparation method thereof |
| CN112050312A (en) * | 2019-06-06 | 2020-12-08 | 宁波方太厨具有限公司 | Formaldehyde removing device and preparation method thereof |
| CN112387110A (en) * | 2020-10-28 | 2021-02-23 | 中国石油天然气股份有限公司 | Cover plate for removing volatile organic compounds in wastewater storage and treatment facility and manufacturing method thereof |
| CN113441019A (en) * | 2020-03-24 | 2021-09-28 | 中昊晨光化工研究院有限公司 | Polytetrafluoroethylene composite filter material and preparation method and application thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101362035A (en) * | 2007-08-08 | 2009-02-11 | 李朝晖 | Expanded polytetrafluoroethylene bacteriostatic coated filter material and production method thereof |
| GB2476356A (en) * | 2009-12-16 | 2011-06-22 | Bha Group Inc | Filter media |
| CN102512878A (en) * | 2011-12-28 | 2012-06-27 | 南京际华三五二一特种装备有限公司 | Dust removal and waste gas decomposition double-effect filter material and preparation method thereof |
| CN103394241A (en) * | 2013-07-25 | 2013-11-20 | 上海峰渡膜邦膜科技有限公司 | Polytetrafluoroethylene (PTFE) membrane material capable of realizing catalytic degradation function by grafting photocatalyst and application of PTFE membrane material |
| CN104492162A (en) * | 2014-12-03 | 2015-04-08 | 中材科技股份有限公司 | Polytetrafluoroethylene microporous membrane composite filter screen for air purifier and preparation method of filter screen |
| CN105032034A (en) * | 2015-07-02 | 2015-11-11 | 营口市洪源玻纤科技有限公司 | Superfine glass fiber machine woven composite functional filter material used for denitration and removing dioxin, and preparation method thereof |
| CN105169810A (en) * | 2015-08-25 | 2015-12-23 | 安徽省元琛环保科技有限公司 | Preparation method of fireproof antistatic metal fiber-polytetrafluoroethylene filter material |
-
2016
- 2016-03-31 CN CN201610200639.3A patent/CN105854414A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101362035A (en) * | 2007-08-08 | 2009-02-11 | 李朝晖 | Expanded polytetrafluoroethylene bacteriostatic coated filter material and production method thereof |
| GB2476356A (en) * | 2009-12-16 | 2011-06-22 | Bha Group Inc | Filter media |
| CN102512878A (en) * | 2011-12-28 | 2012-06-27 | 南京际华三五二一特种装备有限公司 | Dust removal and waste gas decomposition double-effect filter material and preparation method thereof |
| CN103394241A (en) * | 2013-07-25 | 2013-11-20 | 上海峰渡膜邦膜科技有限公司 | Polytetrafluoroethylene (PTFE) membrane material capable of realizing catalytic degradation function by grafting photocatalyst and application of PTFE membrane material |
| CN104492162A (en) * | 2014-12-03 | 2015-04-08 | 中材科技股份有限公司 | Polytetrafluoroethylene microporous membrane composite filter screen for air purifier and preparation method of filter screen |
| CN105032034A (en) * | 2015-07-02 | 2015-11-11 | 营口市洪源玻纤科技有限公司 | Superfine glass fiber machine woven composite functional filter material used for denitration and removing dioxin, and preparation method thereof |
| CN105169810A (en) * | 2015-08-25 | 2015-12-23 | 安徽省元琛环保科技有限公司 | Preparation method of fireproof antistatic metal fiber-polytetrafluoroethylene filter material |
Non-Patent Citations (1)
| Title |
|---|
| 孙熙: "《袋式除尘技术与应用》", 28 February 2004, 机械工业出版社 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109173471A (en) * | 2018-10-26 | 2019-01-11 | 浙江鸿盛环保科技集团有限公司 | double-layer filter material and filter bag |
| CN109224664A (en) * | 2018-10-26 | 2019-01-18 | 浙江鸿盛环保科技集团有限公司 | Stainless steel double-layer filter material and bouffancy filter bag |
| CN112050312A (en) * | 2019-06-06 | 2020-12-08 | 宁波方太厨具有限公司 | Formaldehyde removing device and preparation method thereof |
| CN112050312B (en) * | 2019-06-06 | 2022-03-01 | 宁波方太厨具有限公司 | Formaldehyde removing device and preparation method thereof |
| CN113441019A (en) * | 2020-03-24 | 2021-09-28 | 中昊晨光化工研究院有限公司 | Polytetrafluoroethylene composite filter material and preparation method and application thereof |
| WO2021189761A1 (en) * | 2020-03-24 | 2021-09-30 | 中昊晨光化工研究院有限公司 | Polytetrafluoroethylene composite filter material, and preparation method therefor and application thereof |
| CN111991920A (en) * | 2020-07-02 | 2020-11-27 | 南京玻璃纤维研究设计院有限公司 | Filter material and preparation method thereof |
| CN112387110A (en) * | 2020-10-28 | 2021-02-23 | 中国石油天然气股份有限公司 | Cover plate for removing volatile organic compounds in wastewater storage and treatment facility and manufacturing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105854414A (en) | Composite filter material for air purifier and a preparation method thereof | |
| CN106237876A (en) | A kind of multifunctional composite film material and production technology thereof | |
| WO2003000382A1 (en) | Filter member | |
| JPWO2003066193A1 (en) | Fluid cleaning filter and filter device | |
| CN104405271A (en) | Nano window screen | |
| KR101308358B1 (en) | Asymmetric porous sheet, manufacturing method thereof and air purificaion filter using the same | |
| CN112774457A (en) | Polymer microfiltration membrane and preparation method and application thereof | |
| CN102626595A (en) | Formula for industrial high-strength anti-pollution ultrafiltration flat plate membrane and preparation method thereof | |
| Lu et al. | Electrospun polyacrylonitrile membrane in situ modified with cellulose nanocrystal anchoring TiO2 for oily wastewater recovery | |
| CN202343014U (en) | Hybrid fiber needled felt membrane filter material | |
| CN204973323U (en) | Compound filter media and compound filter paper of low resistance | |
| JP2013158668A (en) | Filter material for dehumidification rotor | |
| CN105498389A (en) | Automotive filter for filtering PM2.5 air particles and preparation method | |
| US20220080342A1 (en) | Filter material used for automobile air conditioning and capable of filtering out volatile organic compound (voc) gas, and process thereof | |
| KR101061566B1 (en) | Manufacturing method of porous deodorization filter | |
| CN105667004B (en) | A kind of method in situ for eliminating ski dome | |
| CN103768863A (en) | Filtering composition and production process | |
| CN204815967U (en) | Air purifier is with compound filter media | |
| CN113332864A (en) | Compound nanometer antibiotic air filtration membrane | |
| CN203801786U (en) | Cellulose filter element and mask thereof | |
| CN206295726U (en) | Air purifier filtration core | |
| KR101190628B1 (en) | Method for preparation of porous wet air filter | |
| CN105332093A (en) | Bionic composite micro-nanofiber with filter and absorption dual functions and preparation method of bionic composite micro-nanofiber | |
| CN204982548U (en) | Be applicable to V standard car fuel filter paper in state | |
| JP2021098157A (en) | Air filter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160817 |
|
| RJ01 | Rejection of invention patent application after publication |