CN110433870A - A kind of catalysis material for airstrainer, preparation method and applications - Google Patents

A kind of catalysis material for airstrainer, preparation method and applications Download PDF

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Publication number
CN110433870A
CN110433870A CN201910804066.9A CN201910804066A CN110433870A CN 110433870 A CN110433870 A CN 110433870A CN 201910804066 A CN201910804066 A CN 201910804066A CN 110433870 A CN110433870 A CN 110433870A
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China
Prior art keywords
preparation
acid solution
airstrainer
titanate
catalysis material
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CN201910804066.9A
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Chinese (zh)
Inventor
王枫
孟志臻
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Jing Heng Technology (shanghai) Co Ltd
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Jing Heng Technology (shanghai) Co Ltd
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    • 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86Catalytic processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/26Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
    • B01J31/38Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24 of titanium, zirconium or hafnium
    • B01J35/39
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/30Sulfur compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/40Nitrogen compounds
    • 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
    • B01D2257/00Components to be removed
    • B01D2257/70Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/702Hydrocarbons
    • B01D2257/7027Aromatic hydrocarbons
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/91Bacteria; Microorganisms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/06Polluted air

Abstract

The present invention relates to photocatalysis and technical field of environmental purification.The purpose is to be directed to indoor air purification problem, a kind of catalysis material for using and being prepared with common fiber material for basic material is provided, it can be fully exposed to strainer high molecular material surface layer, there is efficient degradation efficiency to air pollutants, and with polymer base material binding force with higher, it is water-fastness.Invention also provides the preparation method and applications of the catalysis material for airstrainer.The catalysis material for airstrainer is after being reacted in alcohol solution by the surface free group of high molecular material with titanate compound, it is obtained again via hydrolysis, wherein the mass ratio of surface free group, titanate compound and alcohol solution is 1:0.1~3:1~1000.

Description

A kind of catalysis material for airstrainer, preparation method and applications
Technical field
The present invention relates to photocatalysis and technical field of environmental purification, are the light being related to for airstrainer specifically Catalysis material, further relate to the catalysis material preparation method and its to indoor air pollutants carry out photocatalytic degradation In application.
Background technique
Airstrainer (Airstrainer) be lenticular honeycomb structure, can be widely applied to air-conditioning, air purifier or Air filtering system in the equipment such as fresh air system.Airstrainer is divided into thick effect, middle effect, sub- efficient, efficient four types, root The airstrainer of different number is installed in a pipeline according to air volume, fillter section is mounted in central air-conditioning system, Feeding room air dust particle is filtered out, to reach the high-quality of room air.Airstrainer is typically mounted at air-conditioning Among system air supply duct, the prefilter equipment that thick effect and middle effect air filtration section are used as plays protection high efficiency filter section Effect, while also having good effect to noise elimination.High efficiency filter section should match front end pretreatment filtration equipment during installation, while right Noise elimination effect is more preferable.Filter material in filter screen is generally fibrous material, and filter screen more than H11 grade is generally PP, compound PP- PET, terylene and glass fibre etc. plant material.Feature is: dust containing capacity is big, filtering accuracy is high, can need to be processed into according to client Various sizes and shape are suitble to different types to use.Strainer outline border is made of firm, moisture-proof hard material, it is ensured that Bu Huibian Shape, rupture, distortion.When filtering net surface is very dirty, washed.Son is put into clear water and dish washing liquid in rinse bath, incited somebody to action Strainer, which is put into slot, all to drown.It is rinsed several times, until finally being rinsed with clear water without dirt until water is clearly Only, it takes out and is placed on stainless steel barrier draining, then tile and dry in the shade on the top of the shelf.
Photochemical catalyst is usually used for air purifier by using following manner by photocatalytic air filtering material at present:
(1) on by photocatalyst on the carriers such as active carbon, non-woven fabrics, harmful gas is adsorbed by porous carrier Then body, bacterium, virus etc. rely on the catalytic effect of photochemical catalyst again, carry out sterilization or resolving harmful gas.
Such as: patent CN206688383U discloses a kind of air-filtering membrane, and composite filter includes successively fitting setting Bamboo fibre layer and sepiolite fibre layer, the adsorption layer includes photocatalysis TiO2 nanoparticle layers, the stone for being successively bonded setting Black alkene layer and active carbon layer.Patent CN205208737U discloses a kind of exterminating bacterium air filter plate, including carbon fiber layer, sea Continuous layer, porous plate, active carbon layer, upper carbon fiber layer, photocatalyst layer, the photocatalyst layer are by titanium dioxide, zinc oxide What particulate load was formed on more suction enclosure materials.Patent application CN103230812A discloses a kind of photocatalytic air filter material Material, the zinc titanate photocatalysis porous membrane being supported on non-woven fabrics base material including non-woven fabrics base material and coupling.Patent ZL02124137.6 is disclosed through colloidal sol in non-woven fabrics loaded on surface of flexible base material ferrous acid N-butyl, then in water heating kettle Form titanium dioxide film photocatalyst.
Such method the problem is that: active carbon layer or other adsorbent materials are usually middle layer, light in actual production Line can not be irradiated to the surface of photochemical catalyst, and photocatalytic effect is caused to cannot achieve.
(2) photochemical catalyst is coated in the surface of filtering material together using coating.This method especially needs to solve base Interface compatibility between body material and photochemical catalyst.
Such as: patent CN204815964U discloses a kind of air filting material with disinfection function, including light Catalyst layer, imported cotton fibrous layer, ultra-fine fibre glass layer and nano-silver layer, the photocatalyst layer are wrapped in import cotton fiber The outermost of layer.Patent CN101618288B discloses a kind of glass fibre gluing photochemical catalyst.Patent CN2841143Y is disclosed A kind of fiber being supported with semiconductor light-catalyst, fiber have supported the apatite with photo-catalysis function.
Such methods the problem is that: (a) due to having coated photochemical catalyst by coating agent, thus reduce photocatalysis The contact area of agent and bacterium, virus and organic pernicious gas reduces its photocatalytic effect.(b) light coated in surface is urged Catalyst particles adhesive force is poor, is easy to fall off, and does not adapt to filter gauze cleaning.(c) traditional to be urged in substrate material surface load light The preparation process for changing film is required to high-temperature calcination (> 200 DEG C) and is activated, and preparation process is complicated, is not appropriate for industrial metaplasia It produces.Base material generally selects sheet metal, sheet glass, wire mesh etc. as carrier, and just relatively difficult to achieve on polymer base material.
Summary of the invention
The purpose of the present invention is being directed to the shortcoming of existing catalysis material, a kind of improved catalysis material is provided Preparation method, common fiber material can be used for basic material preparation, the catalysis material as made by this method can be with It is fully exposed to screen material surface layer, there is efficient degradation efficiency to indoor air pollutants, and have with polymer base material Higher binding force, it is water-fastness.
It is urged it is a further object of the present invention to provide a kind of using the light for airstrainer that the above method is prepared Change material.
The above-mentioned catalysis material of what the present invention further also provided is carrying out photocatalytic degradation to indoor air pollutants In application, especially PARA FORMALDEHYDE PRILLS(91,95), acetaldehyde, benzene homologues, amine system object, sulphur system object, nitrogen oxides, nicotine, Staphylococcus aureus Bacterium carries out the application in photocatalytic degradation.
The purpose of the present invention is achieved through the following technical solutions:
A kind of preparation method of the catalysis material for airstrainer, the catalysis material are fully exposed to strainer High molecular material surface layer carries out photocatalytic degradation to air pollutants, and the method includes the steps of: the surface of high molecular material Free group carries out reacting the titanate esters group to form surface bond in alcohols solvent with titanate compound, and reaction temperature is 0~80 DEG C, the reaction time is 0.1~100h, in which: the mass ratio of surface free group, titanate compound and alcohols solvent For 1:0.1~3:1~1000, preferably 1:0.5~2:50~300;PH value is adjusted to 1~6 using acid solution, surface bond Titanate esters group obtains titanyl macromolecular structure via hydrolysis, and the temperature condition of the hydrolysis is 0~100 DEG C, the hydrolysis Reaction time is 0.5~20h.
Further, the hydrolysis further includes that other metallic compounds are added, and the titanate esters group of surface bond can also be with Cohydrolysis is carried out with other metallic compounds, forms heteropoly acid macromolecular structure, the additional amount of other metallic compounds is The 0.01~0.99 of the quality of titanate compound, the preferably additional amount of other metallic compounds are the matter of titanate compound The 0.02~0.2 of amount.Other described metallic compounds include but is not limited to be selected from: ferric trichloride, ferrous chloride, manganous chloride, One or more of alchlor, cobalt chloride, nickel chloride, copper chloride or zinc chloride.
In view of production cost factor, in preparation method as described above, the acid solution is preferably selected from: hydrochloric acid is molten One or more of liquid, sulfuric acid solution, phosphoric acid solution, formic acid solution or acetic acid solution.The mass percent of the acid solution Solubility is 0.1~10%.
In view of production cost factor, in preparation method as described above, the alcohols is molten to be preferably selected from: methanol, second One or more of alcohol or propyl alcohol.
Preparation method as described above, the surface free group are reacted in alcohols solvent with titanate compound Reaction temperature be preferably 40~70 DEG C.
Preparation method as described above, the surface free group are reacted in alcohols solvent with titanate compound Reaction time be preferably 0.5~10h.
Preparation method as described above is hydrolyzed after pH is preferably adjusted to 1~3 when adjusting pH value using acid solution.
Preparation method as described above, the temperature condition of the hydrolysis are preferably 30~60 DEG C.
Preparation method as described above, the reaction time of the hydrolysis are preferably 0.5~3h.
Wherein, the high molecular material, is including but not limited to selected from: polypropylene, polyethylene, polyester, nylon, polyurethane, One or more of glass or cellulose blend or copolymer.The surface free group, including but not limited to contains: hydroxyl One or more of base, amino, carboxyl, aldehyde radical or ester group.The titanate compound, is including but not limited to selected from: more alkane One of oxygroup titanate esters, monoalkoxy pyrophosphoric acid base titanate esters, tetraethyl titanate, metatitanic acid orthocarbonate or butyl titanate or It is several.
The content of preparation method as described above, the surface free group can be adjusted by blending or reaction modifying It is whole.
Invention also provides it is a kind of using made from method as described above be used for airstrainer catalysis material, The wave-length coverage of photocatalysis light source is 250~700nm.
The method catalysis material obtained for being used for airstrainer as described above increases high score by chemical bonding Binding force between subbase material and photochemical catalyst can be solved the problems, such as effectively water-fastness and be not required to additional binder.It is surveyed through test : surface bond substance can be water-fastness 5 times or more, photocatalysis efficiency rate of descent < 20%.
Catalysis material as described above for airstrainer is carrying out photocatalytic degradation to indoor air pollutants In application.The catalysis material is fully exposed to the surface layer of screen material, and the air pollutants include but is not limited to: first One or more of aldehyde, acetaldehyde, benzene homologues, amine system object, sulphur system object, nitrogen oxides, nicotine, staphylococcus aureus, drop Solution efficiency can reach 90% or more.
According to People's Republic of China's light industry standard QB/T 2761-2006 " indoor air purification product clean-up effect Measuring method " and National Standard of the People's Republic of China GB/T20944.2-2007 " evaluation of antibacterial textile performance " examine It surveys, catalysis material as described above has outstanding photocatalysis effect, can reach 95% to the degradation efficiency of formaldehyde in air More than, 90% or more can reach to the degradation efficiency of benzene homologues, 95% or more is reached to the bacteriostasis rate of staphylococcus aureus.
The catalysis material for airstrainer as described above can application field include but is not limited to air conditioner filter screen, sky Gas purifier strainer or fresh air system strainer etc..Application system is expected from former material, is matched based on existing environment protection field supply chain Set, implementation easy to spread.
Specific embodiment
The present invention is further explained in the light of specific embodiments.Embodiment is not only wrapped in technical solution of the present invention Containing following embodiment, also comprising any combination between each example.
Embodiment 1
Appropriate nylon fiber (equivalent 1 gram of surface free amine group), two (triethanolamine) metatitanic acid diisopropyls are added in container 1 gram of ester, 200 grams of ethyl alcohol react 2 hours at 60 DEG C.It is added dropwise under the conditions of 3% salt acid for adjusting pH value is 2,50 DEG C and hydrolyzes 1 hour, mistake Filter is dried to obtain surface bond titanium system photocatalysis nylon material.Under the irradiation of 1W 365nm LED light source, by standard QB/T 2761-2006 and GB/T20944.2-2007 detection, can reach 98% to the degradation efficiency of formaldehyde in air, to the drop of benzene homologues Solution efficiency can reach 95%, reach 99% to the bacteriostasis rate of staphylococcus aureus.Washing 6 times, photocatalysis efficiency only declines 8%.
Embodiment 2
Appropriate polyester non-woven fabric (equivalent 1 gram of surface free hydroxyl group), three (dioctylphyrophosphoric acid of isopropyl are added in container Acyloxy) 1.2 grams of titanate esters, 300 grams of ethyl alcohol, it reacts 2 hours at 60 DEG C.It is 1,50 DEG C of conditions that 2% sulphur acid for adjusting pH value, which is added dropwise, Lower hydrolysis 1 hour, filtration drying obtains surface bond titanium system photocatalysis polyester non-woven fabric.It is irradiated in 1W 365nm LED light source Under, it is detected by standard QB/T 2761-2006 and GB/T20944.2-2007, the degradation efficiency of formaldehyde in air can reach 99%, 96% can reach to the degradation efficiency of benzene homologues, 98% is reached to the bacteriostasis rate of staphylococcus aureus.Washing 6 times, light Catalytic efficiency only declines 12%.
Embodiment 3
Appropriate nylon fiber (equivalent 1 gram of surface free amine group), two (triethanolamine) metatitanic acid diisopropyls are added in container 1 gram of ester, 200 grams of ethyl alcohol react 2 hours at 60 DEG C.It is added 0.05 gram of ferric trichloride, it is 2 that 0.5% phosphorus acid for adjusting pH value, which is added dropwise, It is hydrolyzed 1 hour under the conditions of 50 DEG C, filtration drying obtains surface bond ferrotianium system photocatalysis nylon material.In 1W 365nm LED light Under the irradiation of source, detected by standard QB/T 2761-2006 and GB/T20944.2-2007, it can to the degradation efficiency of formaldehyde in air Reach 99%, 98% can reach to the degradation efficiency of benzene homologues, 99% is reached to the bacteriostasis rate of staphylococcus aureus.Washing 6 Secondary, photocatalysis efficiency only declines 15%.
Embodiment 4
Appropriate polyester polypropylene composite materials non-woven fabrics (equivalent 1 gram of surface free hydroxyl group), titanate esters CS- are added in container 101 1.5 grams, 280 grams of ethyl alcohol of (Nanjing Chuan Shi auxiliary chemicals Co., Ltd), it reacts 2 hours at 65 DEG C.The adjusting of 1% sulfuric acid is added dropwise PH value hydrolyzes 1 hour under the conditions of being 1,50 DEG C, and filtration drying obtains surface bond titanium system photocatalysis polyester non-woven fabric.In 1W Under the irradiation of 365nm LED light source, detected by standard QB/T 2761-2006 and GB/T20944.2-2007, to formaldehyde in air Degradation efficiency can reach 97%, can reach 95% to the degradation efficiency of benzene homologues, reaches to the bacteriostasis rate of staphylococcus aureus 97%.Washing 6 times, photocatalysis efficiency only declines 7%.
Embodiment 5
Appropriate nylon fiber (equivalent 1 gram of surface free amine group), two (triethanolamine) metatitanic acid diisopropyls are added in container 1 gram of ester, 0.19 gram of copper chloride, 200 grams of ethyl alcohol react 50 hours at 80 DEG C.It is 2,30 DEG C of conditions that 3% salt acid for adjusting pH value, which is added dropwise, Lower hydrolysis 1 hour, filtration drying obtains surface bond titanium system photocatalysis nylon material.Under the irradiation of 1W 365nm LED light source, It is detected by standard QB/T 2761-2006 and GB/T20944.2-2007, the degradation efficiency of formaldehyde in air can reach 98.5%, 95.5% can reach to the degradation efficiency of benzene homologues, 99.2% is reached to the bacteriostasis rate of staphylococcus aureus.Washing 6 times, photocatalysis efficiency only declines 7%.
Comparative example 1
Appropriate nylon fiber (equivalent 1 gram of surface free amine group), 1 gram of tetraethyl titanate, ethyl alcohol 200 are added in container Gram, it is reacted 2 hours at 60 DEG C.Filtration drying obtains surface attachment titanium system photocatalysis nylon material.In 1W 365nm LED light source Under irradiation, detected by standard QB/T 2761-2006 and GB/T20944.2-2007, to the degradation efficiency 27% of formaldehyde in air, To the degradation efficiency 15% of benzene homologues, 11% is reached to the bacteriostasis rate of staphylococcus aureus.Washing 1 time, photocatalysis efficiency is only Decline 90%.
Comparative example 2
Appropriate nylon fiber (equivalent 1 gram of surface free amine group), two (triethanolamine) metatitanic acid diisopropyls are added in container 1 gram of ester, 200 grams of ethyl alcohol react 2 hours at 60 DEG C.Filtration drying obtains the nylon material of surface bond titanium sub-group compound.In Under the irradiation of 1W365nm LED light source, detected by standard QB/T 2761-2006 and GB/T20944.2-2007, to formaldehyde in air Degradation efficiency can reach 26%, 23% can reach to the degradation efficiency of benzene homologues, the bacteriostasis rate of staphylococcus aureus is reached To 31%.
Only to explain more typical example of the invention as described in embodiment, not the present invention is made in any form Limitation, it is all to make any modification or change for the present invention under identical spirit, it is intended to be included in that the invention is intended to protect Within the scope of shield, i.e., with those skilled in the art, it can not depart from and its parameter is made into different journeys under basic principle of the invention The variation of degree, to scheme to reach equivalent or similar effect, so it should all be considered as being defined without departing from above-described the scope of the patents In.

Claims (10)

1. a kind of preparation method of the catalysis material for airstrainer, which is characterized in that the catalysis material is abundant It is exposed to strainer high molecular material surface layer and photocatalytic degradation is carried out to air pollutants, which comprises the steps of:
The surface free group of high molecular material react forming surface bond with titanate compound in alcohols solvent Titanate esters group, reaction temperature are 0~80 DEG C, and the reaction time is 0.1~100h, in which: surface free group, titanate esters chemical combination The mass ratio of object and alcohols solvent is 1:0.1~3:1~1000;
Using acid solution adjusting pH value to 1~6, the titanate esters group of surface bond obtains titanyl macromolecular structure via hydrolysis, The temperature condition of the hydrolysis is 0~100 DEG C, and the reaction time of the hydrolysis is 0.5~20h.
2. preparation method as described in claim 1, it is characterised in that: the hydrolysis further includes that other metallic compounds are added Cohydrolysis is carried out, heteropoly acid macromolecular structure is formed, the additional amount of other metallic compounds is the matter of titanate compound The 0.01~0.99, preferably 0.02~0.2 of amount, other described metallic compounds are selected from: ferric trichloride, ferrous chloride, dichloro Change one or more of manganese, alchlor, cobalt chloride, nickel chloride, copper chloride or zinc chloride.
3. preparation method as described in claim 1, it is characterised in that: the acid solution is selected from: hydrochloric acid solution, sulfuric acid solution, One or more of phosphoric acid solution, formic acid solution or acetic acid solution, the mass percent solubility of the acid solution is 0.1~ 10%.
4. preparation method as described in claim 1, it is characterised in that: the alcohols solvent is selected from: in methanol, ethyl alcohol or propyl alcohol One or more.
5. preparation method as described in claim 1, it is characterised in that: the high molecular material is selected from: polypropylene, polyethylene, One or more of polyester, nylon, polyurethane, glass or cellulose blend or copolymer.
6. preparation method as described in claim 1, it is characterised in that: the surface free group contains hydroxyl, amino, carboxylic One or more of base, aldehyde radical or ester group.
7. preparation method as described in claim 1, it is characterised in that: the titanate compound is selected from: more alkoxy metatitanic acids One or more of ester, monoalkoxy pyrophosphoric acid base titanate esters, tetraethyl titanate, metatitanic acid orthocarbonate or butyl titanate.
8. a kind of catalysis material for airstrainer, it is characterised in that: wanted using any right in such as claim 1-7 The method is asked to be prepared, the wave-length coverage of the photocatalysis light source of the catalysis material is 250~700nm.
9. carrying out photocatalysis to indoor air pollutants for the catalysis material of airstrainer as claimed in claim 8 Application in degradation.
10. application as claimed in claim 9, the air pollutants include: formaldehyde, acetaldehyde, benzene homologues, amine system object, sulphur system One or more of object, nitrogen oxides, nicotine, staphylococcus aureus.
CN201910804066.9A 2019-08-28 2019-08-28 A kind of catalysis material for airstrainer, preparation method and applications Withdrawn CN110433870A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11128681A (en) * 1997-10-31 1999-05-18 Hitachi Ltd Air cleaner
CN1756599A (en) * 2003-03-05 2006-04-05 Nbc株式会社 Photocatalytic material
CN102600905A (en) * 2012-02-20 2012-07-25 合肥工业大学 Semiconductor hetero-junction/conductive polymer fiber membrane composite photocatalyst and preparation method thereof
CN103230812A (en) * 2013-03-07 2013-08-07 苏州新纶超净技术有限公司 Photocatalytic air filtering material and preparation method thereof
CN107308992A (en) * 2017-08-23 2017-11-03 浙江理工大学 A kind of photocatalytic fiber net and its preparation method and application

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11128681A (en) * 1997-10-31 1999-05-18 Hitachi Ltd Air cleaner
CN1756599A (en) * 2003-03-05 2006-04-05 Nbc株式会社 Photocatalytic material
CN102600905A (en) * 2012-02-20 2012-07-25 合肥工业大学 Semiconductor hetero-junction/conductive polymer fiber membrane composite photocatalyst and preparation method thereof
CN103230812A (en) * 2013-03-07 2013-08-07 苏州新纶超净技术有限公司 Photocatalytic air filtering material and preparation method thereof
CN107308992A (en) * 2017-08-23 2017-11-03 浙江理工大学 A kind of photocatalytic fiber net and its preparation method and application

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
董永春, 上海:东华大学出版社 *

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