CN106215547A - Anion air purifying filtering material and preparation method thereof - Google Patents

Anion air purifying filtering material and preparation method thereof Download PDF

Info

Publication number
CN106215547A
CN106215547A CN201610742321.8A CN201610742321A CN106215547A CN 106215547 A CN106215547 A CN 106215547A CN 201610742321 A CN201610742321 A CN 201610742321A CN 106215547 A CN106215547 A CN 106215547A
Authority
CN
China
Prior art keywords
anion
parts
air purifying
magnetic
layer
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
CN201610742321.8A
Other languages
Chinese (zh)
Other versions
CN106215547B (en
Inventor
傅陆军
杨顺国
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.)
Hangzhou Kaiyue New Material Co Ltd
Original Assignee
Hangzhou Kaiyue New Material Co 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 Hangzhou Kaiyue New Material Co Ltd filed Critical Hangzhou Kaiyue New Material Co Ltd
Priority to CN201610742321.8A priority Critical patent/CN106215547B/en
Publication of CN106215547A publication Critical patent/CN106215547A/en
Application granted granted Critical
Publication of CN106215547B publication Critical patent/CN106215547B/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
    • 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
    • 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
    • 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
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04Additives and treatments of the filtering material
    • B01D2239/0407Additives and treatments of the filtering material comprising particulate additives, e.g. adsorbents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/10Filtering material manufacturing

Abstract

The present invention relates to a kind of anion air purifying filtering material and preparation method thereof, described anion air purifying filtering material is the lamination layer structure being made up of internal layer and outer layer, internal layer is substrate layer, and outer layer is latex functional layer, and described substrate layer is with spun-laced nonwoven fabric as base material;The component of described latex functional layer and weight portion composition are as follows: latex 60 70 parts, synthetic resin 15 20 parts, anion powder 5 10 parts, 20 30 parts of bamboo carbon fiber powder, diatom ooze 58 parts, 35 parts of the order mesoporous medium of magnetic.Magnetic ordered mesoporous carbon of the present invention or the order mesoporous nickel ferrite based magnetic loaded of magnetic possess huge specific surface area and abundant three dimensional pore structures, and high-specific surface area is conducive to the adsorption storage of anion powder and diatom ooze;Regular orderly open duct, the aperture of size adjustable are that anion generation provides path, and beneficially anion slowly persistently produces for a long time, improves the using effect of anion air purifying filtering material, extends its service life.

Description

Anion air purifying filtering material and preparation method thereof
Technical field
The present invention relates to a kind of anion air purifying filtering material and preparation method thereof.
Background technology
Along with expanding economy, the extensive application of indoor a large amount of new decorative materials, cause room air pollution further Aggravation, adds people and also result in certain pollution at indoor life activity, and problem of indoor air quality becomes more to dash forward Go out.The health of indoor air quality and human body has close relationship, the most especially with volatile organic matter compound (TVOC), The pollutant such as PM2.5 are the most serious to the harm of human body.
Air filtration media of the prior art typically uses paper fiber, glass fibre, polymer fiber and activated carbon, Wherein paper fiber is owing to papery is distinctive the most corrosion-resistant or not weatherability, causes its restricted lifetime;Glass fibre is under a cloud It is carcinogen, is therefore not intended in air filter use, and activated carbon can only adsorb harmful gas and can not filter PM2.5, so air filtration production is complex, cost remains high.
Anion air purifying filtering material is a kind of filtration for the unhealthy composition in air, by shunting certainly So producing negative oxygen ion, reduce PM2.5 nuisance, existing air filtration apparatus is a lot, but is typically all for reducing PM2.5 Part is studied, relatively fewer for improving air quality.
Summary of the invention
It is an object of the invention to solve the deficiencies in the prior art, it is provided that a kind of anion air purifying filtering material.
Further object is that the preparation method that a kind of anion air purifying filtering material is provided.
The technical solution adopted for the present invention to solve the technical problems is:
Anion air purifying filtering material, described anion air purifying filtering material is to be made up of internal layer and outer layer Lamination layer structure, internal layer is substrate layer, and outer layer is latex functional layer, and described substrate layer is with spun-laced nonwoven fabric as base material;Described breast The component of glue functional layer and weight portion composition are as follows: latex 40-60 part, synthetic resin 10-30 part, anion powder 5-10 part, bamboo Carbon fibe powder 20-40 part, diatom ooze 10-30 part, magnetic order mesoporous medium 3-8 part.
Preferably, the component of described latex functional layer and weight portion composition are as follows: latex 55 parts, and synthetic resin 18 parts is negative 7 parts of ion powder, 30 parts of bamboo carbon fiber powder, diatom ooze 15 parts, 5 parts of the order mesoporous medium of magnetic.
Preferably, the order mesoporous medium of described magnetic is magnetic ordered mesoporous carbon or the order mesoporous nickel ferrite based magnetic loaded of magnetic.
It is furthermore preferred that the order mesoporous medium of described magnetic is the order mesoporous nickel ferrite based magnetic loaded of magnetic, its preparation method is as follows:
1) by Ni (NO3)2·6H2O and Fe (NO3)3·9H2O is dissolved in methanol, and appropriate porous silicon KIT-6 is put into Sheng Have in the polytetrafluoroethylcontainer container of normal hexane, be sufficiently stirred for;
2) by solution 1) raw material be added dropwise over step 2) in, the mixed solution formed is sufficiently stirred for, and adds in 50-60 DEG C Hot 8-12h;
3) step 2) gained solid calcination 4-5h at 250-280 DEG C;
4) by step 3) gained solid is cooled to room temperature, in the polished round-bottomed flask being transferred to fill NaOH solution, Centrifugal recovery after return stirring 24-36h under 40-50 DEG C of water bath condition;
5) by step 4) gained solid cleans to neutrality repeatedly with ethanol and deionized water respectively, vacuum dried i.e. Can.
Magnetic ordered mesoporous carbon of the present invention or the order mesoporous nickel ferrite based magnetic loaded of magnetic possess huge specific surface area and Abundant three dimensional pore structures, high-specific surface area is conducive to the adsorption storage of anion powder and diatom ooze;Regular orderly opening Property duct, the aperture of size adjustable be that anion produces and provides path, beneficially anion slowly persistently produces for a long time, carries The using effect of high-negative ion air purification filter material, extends its service life.
Preferably, described synthetic resin is any one in commercial resins for universal use, such as polyethylene, polypropylene, polychlorostyrene second Alkene, polystyrene and ABS.
A kind of preparation method of anion air purifying filtering material, preparation method is as follows:
(1) the latex functional layer component of formula ratio is sufficiently stirred for by blender, the micro-frequency of emulsion high temperature after stirring 10-30min, is placed in impregnation glue groove standby;
The micro-frequency of high temperature refers to, under 110-130 DEG C of high temperature, process through stable frequency of vibration, such as 10- 200Hz, so that slurry is full and uniform.
(2) by machine on spun-laced nonwoven fabric base material, spun-laced nonwoven fabric and emulsion is made fully to infiltrate, at impregnation process by impregnation The micro-frequency of middle high temperature, so that base material is uniformly starched, is formed two-in-one material of main part by slurry base material by extruding, and material of main part is producing Through hot extrusion on line, stentering forming, subsequently enter (a kind of work that can produce heat-flash gas impact air-flow of hot-air pump negative pressure cabin Storehouse), heat-flash gas impact air-flow upper and lower in storehouse run through, hit logical material of main part, form some micropores, be distributed in each portion of material Point, form negative ion air purifying material semi-finished product;
(3) semi-finished product pass through shear history, are excised by redundance, after storing solidification cooling, enter Product checking.
The invention has the beneficial effects as follows: the anion air purifying filtering material of the present invention can be effectively isolated in air PM2.5 material, isolation simultaneously volatilization negative oxygen ion and, improve air quality.
Detailed description of the invention
Below by specific embodiment, technical scheme is described in further detail.
Embodiment 1:
Anion air purifying filtering material, described anion air purifying filtering material is to be made up of internal layer and outer layer Lamination layer structure, internal layer is substrate layer, and outer layer is latex functional layer, and described substrate layer is with spun-laced nonwoven fabric as base material;Described breast The component of glue functional layer and weight portion composition are as follows: latex 40 parts, synthetic resin 10 parts, anion powder 5 parts, bamboo carbon fiber powder 20 Part, diatom ooze 10 parts, 3 parts of the order mesoporous medium of magnetic, the order mesoporous medium of described magnetic is magnetic ordered mesoporous carbon, described conjunction Resin is any one in commercial resins for universal use, such as polyethylene.
The preparation method of anion air purifying filtering material, preparation method is as follows:
(1) the latex functional layer component of formula ratio is sufficiently stirred for by blender, the micro-frequency of emulsion high temperature after stirring 10min, is placed in impregnation glue groove standby;
The micro-frequency of high temperature refers to, under 110 DEG C of high temperature, process through stable frequency of vibration, such as 100Hz, so that slurry Expect full and uniform;
(2) by machine on spun-laced nonwoven fabric base material, spun-laced nonwoven fabric and emulsion is made fully to infiltrate, at impregnation process by impregnation The micro-frequency of middle high temperature, so that base material is uniformly starched, is formed two-in-one material of main part by slurry base material by extruding, and material of main part is producing Through hot extrusion on line, stentering forming, (one can produce heat-flash (150 DEG C) gas impact air-flow to subsequently enter hot-air pump negative pressure cabin Working bin), heat-flash gas impact air-flow upper and lower in storehouse run through, hit logical material of main part, form some micropores, be distributed in material Material each several part, forms negative ion air purifying material semi-finished product;
(3) semi-finished product pass through shear history, are excised by redundance, after storing solidification cooling, enter Product checking.
Embodiment 2:
Anion air purifying filtering material, described anion air purifying filtering material is to be made up of internal layer and outer layer Lamination layer structure, internal layer is substrate layer, and outer layer is latex functional layer, and described substrate layer is with spun-laced nonwoven fabric as base material;Described breast The component of glue functional layer and weight portion composition are as follows: latex 60 parts, synthetic resin 30 parts, anion powder 10 parts, bamboo carbon fiber powder 40 parts, diatom ooze 30 parts, 8 parts of the order mesoporous medium of magnetic, the order mesoporous medium of described magnetic is magnetic ordered mesoporous carbon, described Synthetic resin is any one in commercial resins for universal use, such as polypropylene.
The preparation method of anion air purifying filtering material, preparation method is as follows:
(1) the latex functional layer component of formula ratio is sufficiently stirred for by blender, the micro-frequency of emulsion high temperature after stirring 30min, is placed in impregnation glue groove standby;
The micro-frequency of high temperature refers to, under 130 DEG C of high temperature, process through stable frequency of vibration, such as 40Hz, so that slurry Expect full and uniform;
(2) by machine on spun-laced nonwoven fabric base material, spun-laced nonwoven fabric and emulsion is made fully to infiltrate, at impregnation process by impregnation The micro-frequency of middle high temperature, so that base material is uniformly starched, is formed two-in-one material of main part by slurry base material by extruding, and material of main part is producing Through hot extrusion on line, stentering forming, (one can produce heat-flash (180 DEG C) gas impact air-flow to subsequently enter hot-air pump negative pressure cabin Working bin), heat-flash gas impact air-flow upper and lower in storehouse run through, hit logical material of main part, form some micropores, be distributed in material Material each several part, forms negative ion air purifying material semi-finished product;
(3) semi-finished product pass through shear history, are excised by redundance, after storing solidification cooling, enter Product checking.
Embodiment 3:
Anion air purifying filtering material, described anion air purifying filtering material is to be made up of internal layer and outer layer Lamination layer structure, internal layer is substrate layer, and outer layer is latex functional layer, and described substrate layer is with spun-laced nonwoven fabric as base material;Described breast The component of glue functional layer and weight portion composition are as follows: latex 55 parts, synthetic resin 18 parts, anion powder 7 parts, bamboo carbon fiber powder 30 Part, diatom ooze 15 parts, 5 parts of the order mesoporous medium of magnetic, the order mesoporous medium of described magnetic is the order mesoporous nickel ferrite based magnetic loaded of magnetic, institute Stating synthetic resin is any one in commercial resins for universal use, such as polrvinyl chloride.
The preparation method of anion air purifying filtering material, preparation method is as follows:
(1) the latex functional layer component of formula ratio is sufficiently stirred for by blender, the micro-frequency of emulsion high temperature after stirring 20min, is placed in impregnation glue groove standby;
The micro-frequency of high temperature refers to, under 120 DEG C of high temperature, process through stable frequency of vibration, such as 20Hz, so that slurry Expect full and uniform;
(2) by machine on spun-laced nonwoven fabric base material, spun-laced nonwoven fabric and emulsion is made fully to infiltrate, at impregnation process by impregnation The micro-frequency of middle high temperature, so that base material is uniformly starched, is formed two-in-one material of main part by slurry base material by extruding, and material of main part is producing Through hot extrusion on line, stentering forming, (one can produce heat-flash (160 DEG C) gas impact air-flow to subsequently enter hot-air pump negative pressure cabin Working bin), heat-flash gas impact air-flow upper and lower in storehouse run through, hit logical material of main part, form some micropores, be distributed in material Material each several part, forms negative ion air purifying material semi-finished product;
(3) semi-finished product pass through shear history, are excised by redundance, after storing solidification cooling, enter Product checking.
Magnetic ordered mesoporous carbon of the present invention or the order mesoporous nickel ferrite based magnetic loaded of magnetic possess huge specific surface area and Abundant three dimensional pore structures, high-specific surface area is conducive to the adsorption storage of anion powder and diatom ooze;Regular orderly opening Property duct, the aperture of size adjustable be that anion produces and provides path, beneficially anion slowly persistently produces for a long time, carries The using effect of high-negative ion air purification filter material, extends its service life.
The anion air purifying filtering material of the present invention can be effectively isolated the PM2.5 material in air, in isolation simultaneously Volatilization negative oxygen ion and, improve air quality.
Embodiment described above is the one preferably scheme of the present invention, not makees the present invention any pro forma Limit, on the premise of without departing from the technical scheme described in claim, also have other variant and remodeling.

Claims (5)

1. anion air purifying filtering material, it is characterised in that: described anion air purifying filtering material be by internal layer and The lamination layer structure that outer layer is constituted, internal layer is substrate layer, and outer layer is latex functional layer, and described substrate layer is with spun-laced nonwoven fabric as base Material;The component of described latex functional layer and weight portion composition are as follows: latex 40-60 part, synthetic resin 10-30 part, anion powder 5-10 part, bamboo carbon fiber powder 20-40 part, diatom ooze 10-30 part, magnetic order mesoporous medium 3-8 part.
Anion air purifying filtering material the most according to claim 1, it is characterised in that: the group of described latex functional layer Divide and weight portion composition is as follows: latex 55 parts, synthetic resin 18 parts, anion powder 7 parts, 30 parts of bamboo carbon fiber powder, diatom ooze 15 Part, 5 parts of the order mesoporous medium of magnetic.
Anion air purifying filtering material the most according to claim 1 and 2, it is characterised in that: described magnetic is situated between in order Hole medium is magnetic ordered mesoporous carbon or the order mesoporous nickel ferrite based magnetic loaded of magnetic.
Anion air purifying filtering material the most according to claim 1 and 2, it is characterised in that: described synthetic resin is Any one in commercial resins for universal use.
5. a preparation method for the anion air purifying filtering material described in claim 1-4 any one, its feature exists In: preparation method is as follows:
(1) the latex functional layer component of formula ratio is sufficiently stirred for by blender, the emulsion high temperature micro-frequency 10-after stirring 30min, is placed in impregnation glue groove standby;
(2) by machine on spun-laced nonwoven fabric base material, spun-laced nonwoven fabric and emulsion is made fully to infiltrate by impregnation, high in impregnation process The micro-frequency of temperature, so that base material is uniformly starched, is formed two-in-one material of main part by slurry base material by extruding, and material of main part is on a production line Through hot extrusion, stentering forming, subsequently enter hot-air pump negative pressure cabin, heat-flash gas impact air-flow upper and lower in storehouse run through, hit Logical material of main part, forms some micropores, is distributed in material each several part, forms negative ion air purifying material semi-finished product;
(3) semi-finished product pass through shear history, are excised by redundance, after storing solidification cooling, enter Product checking.
CN201610742321.8A 2016-08-28 2016-08-28 Anion air purifying filtering material and preparation method thereof Active CN106215547B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610742321.8A CN106215547B (en) 2016-08-28 2016-08-28 Anion air purifying filtering material and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610742321.8A CN106215547B (en) 2016-08-28 2016-08-28 Anion air purifying filtering material and preparation method thereof

Publications (2)

Publication Number Publication Date
CN106215547A true CN106215547A (en) 2016-12-14
CN106215547B CN106215547B (en) 2018-08-03

Family

ID=57554846

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610742321.8A Active CN106215547B (en) 2016-08-28 2016-08-28 Anion air purifying filtering material and preparation method thereof

Country Status (1)

Country Link
CN (1) CN106215547B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107963873A (en) * 2017-11-17 2018-04-27 龙泉市南宋哥窑瓷业有限公司 A kind of anion function celadon tire material and preparation method thereof
CN108671630A (en) * 2018-05-14 2018-10-19 合肥奇呗数字科技有限公司 A kind of novel negative ion air purification filter material and preparation method thereof
CN109847544A (en) * 2019-03-15 2019-06-07 成都新柯力化工科技有限公司 A kind of material for air purification and preparation method of efficient release anion
CN109847728A (en) * 2019-03-15 2019-06-07 成都新柯力化工科技有限公司 A kind of composite mesoporous magnetic material and preparation method for indoor air purification
CN110004706A (en) * 2019-03-21 2019-07-12 绍兴鑫裕纺织品有限公司 A kind of active carbon spunlace non-woven cloth production technology
CN110075780A (en) * 2019-06-06 2019-08-02 复旦大学 Ultralight magnetic mesoporous nanometer frame

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2740648Y (en) * 2004-09-24 2005-11-16 周祖全 Composite environmental protective material
CN102302876A (en) * 2011-08-18 2012-01-04 蔡海康 Filter material capable of purifying indoor air and eliminating second-hand smoke
CN103572586A (en) * 2012-08-08 2014-02-12 丛安 Environment-friendly material capable of purifying air as well as preparation method thereof
CN105754436A (en) * 2016-04-24 2016-07-13 龙泉市嘉文木业有限公司 Water and mildew resistant paint for wooden wireless loudspeaker tea set box and preparing method thereof
CN105754859A (en) * 2016-04-12 2016-07-13 中国水产科学研究院长江水产研究所 Preservation method of pathogenic yersinia ruckeri of channel catfish
KR20160135125A (en) * 2015-04-28 2016-11-25 신동호 Manufacturing Method for Non-woven Filter

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2740648Y (en) * 2004-09-24 2005-11-16 周祖全 Composite environmental protective material
CN102302876A (en) * 2011-08-18 2012-01-04 蔡海康 Filter material capable of purifying indoor air and eliminating second-hand smoke
CN103572586A (en) * 2012-08-08 2014-02-12 丛安 Environment-friendly material capable of purifying air as well as preparation method thereof
KR20160135125A (en) * 2015-04-28 2016-11-25 신동호 Manufacturing Method for Non-woven Filter
CN105754859A (en) * 2016-04-12 2016-07-13 中国水产科学研究院长江水产研究所 Preservation method of pathogenic yersinia ruckeri of channel catfish
CN105754436A (en) * 2016-04-24 2016-07-13 龙泉市嘉文木业有限公司 Water and mildew resistant paint for wooden wireless loudspeaker tea set box and preparing method thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107963873A (en) * 2017-11-17 2018-04-27 龙泉市南宋哥窑瓷业有限公司 A kind of anion function celadon tire material and preparation method thereof
CN108671630A (en) * 2018-05-14 2018-10-19 合肥奇呗数字科技有限公司 A kind of novel negative ion air purification filter material and preparation method thereof
CN109847544A (en) * 2019-03-15 2019-06-07 成都新柯力化工科技有限公司 A kind of material for air purification and preparation method of efficient release anion
CN109847728A (en) * 2019-03-15 2019-06-07 成都新柯力化工科技有限公司 A kind of composite mesoporous magnetic material and preparation method for indoor air purification
CN110004706A (en) * 2019-03-21 2019-07-12 绍兴鑫裕纺织品有限公司 A kind of active carbon spunlace non-woven cloth production technology
CN110075780A (en) * 2019-06-06 2019-08-02 复旦大学 Ultralight magnetic mesoporous nanometer frame

Also Published As

Publication number Publication date
CN106215547B (en) 2018-08-03

Similar Documents

Publication Publication Date Title
CN106215547A (en) Anion air purifying filtering material and preparation method thereof
CN103230706B (en) A kind of purification PM2.5 mouth mask replaceable overlay film filter core and preparation method thereof
CN103540198B (en) A kind of Paint preparation technology
CN103521002A (en) Glass fiber filter material and preparation method therefor
CN104587747A (en) Degradable nano-scale fine filtration fiber filter cloth
CN203291635U (en) Replaceable coated filter element used for PM2.5 purifying mask
CN106313670A (en) Indoor wall decorating plate with air purifying function
CN104464712B (en) A kind of preparation method of nanofiber foam-based sound-absorbing material
CN106283696B (en) Fibrous material and preparation method thereof with healthcare function
CN106000078B (en) A kind of air cleaning wallpaper
CN201942953U (en) Air filter paper suitable for vehicles in moist environment
CN203874575U (en) Non-woven fabric and nano film compound material capable of blocking PM2.5 particles
CN1817633A (en) Environmental-protective and energy-saving carbon felt
CN107174868B (en) A kind of vehicle-mounted air purification piece and preparation method thereof
CN203452303U (en) Flame-retardant adsorption purification degerming decoration wallpaper
CN203801786U (en) Cellulose filter element and mask thereof
CN206762539U (en) A kind of pressurised atomised depositing dust formula electrostatic precipitator
CN201942955U (en) Automotive fuel filter paper suitable for national standard IV
CN106219633A (en) Anion water purification filtering material and preparation method thereof
CN205252760U (en) Drum type filter core for air purifier
CN105582744B (en) A kind of silk nanofiber filtration material, its preparation method and its application
CN107303448A (en) A kind of composite air filtering paper
CN207324288U (en) Air purification antimicrobial form high-efficiency low-resistance melt blown filter cloth
CN107859258B (en) A kind of air cleaning and environment-friendly type diatom ooze wallpaper and preparation method
CN105220349A (en) A kind of functional superfine fibre is through compiling haze screen window fabric and preparation method thereof

Legal Events

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