CN107569967A - It is a kind of to be used for formaldehyde adsorption and TVOC vehicle-mounted air purification piece and preparation method thereof - Google Patents
It is a kind of to be used for formaldehyde adsorption and TVOC vehicle-mounted air purification piece and preparation method thereof Download PDFInfo
- Publication number
- CN107569967A CN107569967A CN201710720793.8A CN201710720793A CN107569967A CN 107569967 A CN107569967 A CN 107569967A CN 201710720793 A CN201710720793 A CN 201710720793A CN 107569967 A CN107569967 A CN 107569967A
- Authority
- CN
- China
- Prior art keywords
- filter layer
- active charcoal
- tvoc
- cocoanut active
- air purification
- 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
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Landscapes
- Filtering Materials (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The present invention relates to air purification field, discloses a kind of for formaldehyde adsorption and TVOC vehicle-mounted air purification piece and preparation method thereof.The air-purifying piece is combined by upper filter layer, cocoanut active charcoal interlayer and lower filter layer；The upper filter layer and lower filter layer are polypropylene non-woven fabric, and the mixing material that the cocoanut active charcoal interlayer is made up of cocoanut active charcoal particle, the catalyst being carried on cocoanut active charcoal particle, calcium chloride and binding agent is coated on upper filter layer or lower filter layer surface cure forms.The vehicle-mounted air purification piece of the present invention can not only filter to the particulate matter in air, also carry out the pernicious gases such as formaldehyde adsorption and TVOC using cocoanut active charcoal as primary attachment material, advantages of good adsorption effect, adsorption capacity is big, and its degraded can also be made after absorption, thoroughly removed from source, extend the replacement cycle of purifying tablets.
Description
Technical field
The present invention relates to air purification field, more particularly to it is a kind of for formaldehyde adsorption and TVOC vehicle-mounted air purification piece
And preparation method thereof.
Background technology
Urban environment is heavily contaminated in recent years, and especially air pollution is the most serious.According to the relevant departments of the investigation data
It has been shown that, in addition to Particulate Pollution, the also main pollution including formaldehyde and TVOC.TVOC Main Ingredients and Appearance includes：Benzene homologues,
Organic chloride, freon series, organic ketone, amine, alcohol, ether, ester, acid and oil hydrocarbon compound etc..Formaldehyde and TVOC stimulate eye
Eyeball and respiratory tract, injure liver, kidney, brain and the nervous system of people.Their toxicity, excitant, carcinogenicity and special smell
Property, skin and mucous membrane can be influenceed, acute lesion is produced to human body.As can be seen here, formaldehyde and TVOC it is harmful be to put
Doubtful.TVOC main source is in outdoor, essentially from fuel combustion and communications and transportation：And indoors then essentially from coal-fired and
The smog of the combustion products such as natural gas, smoking, heating and the cooking etc., building and ornament materials in adhesive, coating, paint,
Sheet material, wallpaper etc., furniture, household electrical appliance, the discharge of furniture, cleaning agent and human body in itself etc..There are as many as nearly thousand kinds.
Air-purifying piece a great variety in the market, although many be known as can the material such as formaldehyde adsorption and TVOC,
But its actual effect is but and unobvious.Many products are adsorbed using simple activated carbon, but can not be from source
Formaldehyde and TVOC are eliminated, after charcoal absorption saturation, just loses effect, therefore the replacement cycle of such air-purifying piece
It is shorter.
The content of the invention
In order to solve the above-mentioned technical problem, the invention provides a kind of for formaldehyde adsorption and TVOC vehicle-mounted air purification
Piece and preparation method thereof.The vehicle-mounted air purification piece of the present invention can not only filter to the particulate matter in air, also with coconut palm
Shell activated carbon carrys out the pernicious gases such as formaldehyde adsorption and TVOC as primary attachment material, and advantages of good adsorption effect, adsorption capacity is big, and
Its degraded can also be made after absorption, thoroughly removed from source, extend the replacement cycle of purifying tablets.
The present invention concrete technical scheme be：It is a kind of to be used for formaldehyde adsorption and TVOC vehicle-mounted air purification piece, by upper mistake
Filtering layer, cocoanut active charcoal interlayer and lower filter layer are combined；The upper filter layer and lower filter layer are polypropylene non-woven fabric, institute
State what cocoanut active charcoal interlayer was made up of cocoanut active charcoal particle, the catalyst being carried on cocoanut active charcoal particle and binding agent
Mixing material is coated on filter layer or lower filter layer surface cure forms.
The air-purifying piece of the present invention is three-layer composite structure, and wherein intermediate layer is cocoanut active charcoal interlayer, for adsorbing
Formaldehyde, benzene class, second-hand-cigarette in air and other there are the gaseous state harmful organic substances of peculiar smell.The present invention selects cocoanut active charcoal
As primary attachment material, it has the characteristics of high iodine number, aperture structure hypertrophy and adsorption capacity is very big, and intensity >=
95%, iodine number >=1000mg/g, Carbon tetrachloride adsorptive value >=60%, ash≤5%, ph value 7, the adsorption saturation of cocoanut active charcoal
Degree is 40 times of active carbon.
In addition catalyst is loaded with the pore surface of cocoanut active charcoal, the catalyst can be to being adsorbed by cocoanut active charcoal
Formaldehyde and TVOC carry out effective catalytic degradation, inherently can not only thoroughly remove formaldehyde and TVOC, and " can also rise in time
Go out " hole on its activated carbon for taking, extend replacement cycle of purifying tablets.
Functioning as after the materials such as desiccant dehumidification agent, formaldehyde are degraded for calcium chloride generates in cocoanut active charcoal interlayer
Carbon dioxide and water, and the presence of water can influence absorption and air intake surface, the filter effect of lower filter layer of cocoanut active charcoal.And
Calcium chloride, which can absorb water, generates hydrate, keeps purifying tablets to be chronically at drying regime.
Preferably, the thickness of the upper filter layer, cocoanut active charcoal interlayer and lower filter layer is 0.8-1.2mm.
Preferably, in the cocoanut active charcoal interlayer, cocoanut active charcoal particle accounts for 80-90wt%, and catalyst accounts for 1-
5wt%, binding agent account for 10-15wt%.
Preferably, the particle diameter of the cocoanut active charcoal is 0.1-10 microns.
Preferably, the catalyst is selected from platinum, the oxide of platinum, nano titanium oxide；The binding agent is formaldehydeless
Soy-based adhesives.
Preferably, upper filter layer is the polypropylene non-woven fabric with Electrostatic Absorption function, by following mass percent
Raw material is made：
Polypropylene 80-84%,
Modified natural fibers element 1-3%,
Hydrophobic cyclodextrin 1-2%,
Modified seawater fishbone dust 1-10%,
Silane coupler 0.5-1.5%,
Polytetrafluoroethylene (PTFE) 8-12%.
As the vehicle-mounted air purification piece available for air conditioning air outlet, usually require that first, good filtration effect, can stop or
Adsorb most particulate matter；Second, windage is small, the air inlet/outlet efficiency of air-conditioning is not influenceed as far as possible.Filtering of the prior art
Piece, it is generally only common non-woven fabrics, in order to ensure its air permeability, reduces windage, generally there is very big porosity, but such as
This just have impact on its filter efficiency.If in order to improve filter efficiency porosity certainly will be reduced again, air-out efficiency can be influenceed again,
So that can not be satisfactory to both parties.
The upper filter layer of the present invention utilizes electrostatic absorption principle, windage less condition higher in the porosity of non-woven fabrics
Under also can to the particulate matters such as the PM2.5 in air, pollen, dust, flue dust, dust mite carry out effectively filter, adsorb.
The non-woven fabrics of upper filter layer is primary raw material from polypropylene in the present invention, first by polypropylene and modified natural fibers
Non-woven fabrics is made in plain, hydrophobic cyclodextrin, modified seawater fishbone dust and silane coupler mixed melting, spray fusing, due to multiple in fiber
Conjunction has hydrophobic cyclodextrin, modified seawater fishbone dust and nanometer sepiolite, its cyclodextrin to have hydrophobic cavity, to hydrophobicity thing
Matter has adsorptivity；Modified seawater fishbone dust has high porosity after treatment, has preferable adsorptivity.When cyclodextrin with
After modified seawater fishbone dust is uniformly distributed in fibrous inside, adsorption capacity of the non-woven fabrics to ptfe emulsion can be strengthened,
So that ptfe emulsion fully infiltrates to non-woven fabrics, permeated.Thus overcome common non-woven fabric pair in the prior art
The poor technical problem of ptfe emulsion adsorption effect.Because modified seawater fishbone dust belongs to inorganic matter, in polypropylene etc.
The middle dispersiveness and compatibility of organic matter are poor, and the effect of silane coupler is can to overcome this technical problem.It is in addition, modified
The addition of seawater fishbone dust, its own unnecessary hole of one side can also adsorb the peculiar smell in fine particle and air, another
Aspect can also make non-woven fabrics have hollow-core construction to a certain degree, make an uproar so as to have the function that to absorb wind, reduce noise.
After non-woven fabrics is made, non-woven fabrics is impregnated in ptfe emulsion, non-woven fabrics can be greatly improved to poly-
The adsorbance of tetrafluoroethene emulsion.
Preferably, the preparation method of the modified seawater fishbone dust is as follows：Seawater fish-bone is cleaned and roughly ground to 80-
120 mesh, be then placed into Muffle furnace being warming up to 250-450 DEG C under anoxic condition, taken out after calcining 1-3h and refine to
400-800 mesh, obtain calcining seawater fishbone dust, seawater fishbone dust and butyl titanate, octadecanoic acid mass ratio 20 will be calcined:
(0.5-1.5): (0.5-1) mixing, 20-40min is ground at 65-75 DEG C, modified seawater fishbone dust is made.
Seawater fish-bone is natural biomass materials, is calcined at relatively low temperature after corase grind, to remove seawater fish-bone base
Organic matter in matter, after organic matter removes, fish bone matrix is rendered as loose porous shape, has very high porosity, has
Higher adsorption capacity.Unmodified seawater fishbone dust is rendered as hydrophily, and polytetrafluoroethylene (PTFE) is lyophobic dust, uses metatitanic acid
Butyl ester and octadecanoic acid are modified to its, and seawater fishbone dust can be made to have hydrophobicity, so as to further improve to polytetrafluoro
The adsorption capacity of ethene.There is seawater fishbone dust hydrophobic benefit to also reside in：Due in the environment of higher levels of humidity, it is not easy to
Electrostatic is produced, and unmodified seawater fishbone dust has preferable hygroscopicity, will necessarily be serious after a large amount of moisture absorptions of seawater fishbone dust
Influence Electrostatic Absorption effect.To after seawater fishbone dust hydrophobic treatment its will not carry out moisture absorption, can ensure that non-woven fabrics is in for a long time
Drying regime, failed slower so as to make non-woven fabrics muchly keep electrostatic.
Preferably, the preparation method of the modified natural fibers element is as follows：By wooden particle temperature be 50-60 DEG C, it is dense
Spend in the hydrogen peroxide solution for 10-20wt% and soak 25-35min, take out and drain after immersion, add water boiling at 120-130 DEG C
1-2h；Then it is 30-40wt% to be concentrated into solid content, is cooled to normal temperature, adds containing lactic acid bacteria, saccharomycete mixed bacteria liquid and makes
The control of bacterium total concentration is in hundred million/mL of 0.1-0.3, microbial fermentation 2-4 days at 20-30 DEG C in solution；Finally by product water
Dried after washing, separation, modified natural fibers element is made.
The present invention first causes the lignin in wooden particle and cellulose separation using hydrogen peroxide impreg particle, then passes through
Further boiling, promotes lignin dissolution to be separated with cellulose, is then fermented using Mixed Microbes, can largely eliminate fibre
Dimension element on free hydroxyl group, further improve cellulose hydrophobicity, so on the one hand can increase cellulose with it is polyacrylic
Compatibility, its water imbibition is on the other hand reduced, prevent Electrostatic Absorption decreased effectiveness.
Preferably, the lower filter layer is the polypropylene non-woven fabric for being compounded with antibacterial material；The antibacterial material is selected from
Polypeptide silver and quaternary amine antiseptic.
The polypropylene non-woven fabric of antibacterial material is compounded with, bactericidal action can be played, especially for Staphylococcus aureus
Bacterium and Escherichia coli have compared with high inhibition ability.
A kind of preparation method for being used for formaldehyde adsorption and TVOC vehicle-mounted air purification piece, comprises the following steps：
1) preparation of filter layer on：
1.1) by polypropylene chip and modified natural fibers be plain, hydrophobic cyclodextrin, modified seawater fishbone dust, nanometer sepiolite, silicon
Alkane coupling agent is mixed by proportioning, and melting is heated added in thermofusion device, obtains compounding flux；
1.2) non-woven fabrics is made by jet melting method in compounding flux；
1.3) polytetrafluoroethylene (PTFE) is formulated as ptfe emulsion, nonwoven is distributed in the polytetrafluoroethyl-ne that concentration is 30-50wt%
5-15min is impregnated in alkene emulsion, then carries out 100-140 DEG C of hot-pressing processing, upper filter layer is finally made after drying and shaping；
2) preparation of filter layer under；
3) preparation of cocoanut active charcoal interlayer：Catalyst is carried on cocoanut active charcoal particle, then matched somebody with somebody with binding agent by proportioning
Into mixing material, stir after slurry is made, be coated on filter layer or lower filter layer, finally by lower filter layer or upper filtering
Layer is covered on slurry, after hot pressing, solidification, drying, finished product.
The inventive method first by polypropylene chip and modified natural fibers be plain, hydrophobic cyclodextrin, modified seawater fishbone dust, silicon
Non-woven fabrics is made according to traditional non-woven cloth melt-blown preparation method in alkane coupling agent mixing hot melt, and non-woven fabrics then is impregnated in into polytetrafluoro
In vac emulsion, adsorption capacity of the non-woven fabrics to ptfe emulsion can greatly be so improved, so as to strengthen non-woven fabrics
Electrostatic Absorption ability and persistence.
It is compared with the prior art, the beneficial effects of the invention are as follows：
1st, vehicle-mounted air purification piece of the invention can not only filter to the particulate matter in air, also be made with cocoanut active charcoal
Carry out the pernicious gases such as formaldehyde adsorption and TVOC for main sorbing material, advantages of good adsorption effect, adsorption capacity is big, and after absorption also
Its degraded can be made, thoroughly removed from source, extend the replacement cycle of purifying tablets.
2nd, filter layer is big to the load capacity of Electrostatic Absorption agent in the present invention, fastness is high, to PM2.5, pollen, dust, flue dust,
The Electrostatic Absorption effect of the particulate matters such as dust mite is good, and air permeability is good, and windage is small；But also with antibacterial, decrease of noise functions.
Embodiment
With reference to embodiment, the invention will be further described.
Embodiment 1
It is a kind of to be used for formaldehyde adsorption and TVOC vehicle-mounted air purification piece, by upper filter layer, cocoanut active charcoal interlayer and lower filtering
Layer is combined；The upper filter layer and lower filter layer are polypropylene non-woven fabric, and the cocoanut active charcoal interlayer is by coconut activated
The mixing material that charcoal particle, the catalyst being carried on cocoanut active charcoal particle, calcium chloride and binding agent form was coated on
Filtering layer or lower filter layer surface cure form.
Wherein, the thickness of the upper filter layer, cocoanut active charcoal interlayer and lower filter layer is 1mm.
In the cocoanut active charcoal interlayer, cocoanut active charcoal particle (particle diameter is 1 microns) accounts for 85wt%, and catalyst accounts for
2wt%, calcium chloride account for 1wt%, and binding agent accounts for 12wt%.
The catalyst is platinum.The binding agent is formaldehydeless soy-based adhesives.
The upper filter layer is made by the raw material of following mass percent：
Polypropylene 82%, modified natural fibers element 2%, hydrophobic cyclodextrin 1.5%, modified seawater fishbone dust 5.5% are silane coupled
Agent 1%, polytetrafluoroethylene (PTFE) 8%.
The preparation method of the modified seawater fishbone dust is as follows：Seawater fish-bone is cleaned and roughly ground to 100 mesh, is then placed
350 DEG C are warming up under anoxic condition in Muffle furnace, takes out and refines to 600 mesh after calcining 2h, obtains calcining seawater fish-bone
Powder, calcining seawater fishbone dust is mixed with butyl titanate, octadecanoic acid mass ratio 20: 1: 0.75, ground at 70 DEG C
30min, modified seawater fishbone dust is made.
The preparation method of the modified natural fibers element is as follows：By wooden particle temperature be 55 DEG C, concentration be 15wt%'s
30min is soaked in hydrogen peroxide solution, takes out and drains after immersion, add water boiling 1.5h at 125 DEG C；Then being concentrated into solid content is
35wt%, normal temperature is cooled to, adds containing lactic acid bacteria, saccharomycete mixed bacteria liquid and bacterium total concentration in solution is controlled 0.2 hundred million
Individual/mL, microbial fermentation 3 days at 25 DEG C；Finally product is washed with water, separate after dry, be made modified natural fibers element.
The lower filter layer is the polypropylene non-woven fabric for being compounded with antibacterial material；The antibacterial material is polypeptide silver.
The above-mentioned preparation method for being used for formaldehyde adsorption and TVOC vehicle-mounted air purification piece, comprises the following steps：
1) preparation of filter layer on：
1.1) by polypropylene chip and modified natural fibers be plain, hydrophobic cyclodextrin, modified seawater fishbone dust, nanometer sepiolite, silicon
Alkane coupling agent is mixed by proportioning, and melting is heated added in thermofusion device, obtains compounding flux；
1.2) non-woven fabrics is made by jet melting method in compounding flux；
1.3) polytetrafluoroethylene (PTFE) is formulated as ptfe emulsion, nonwoven is distributed in the polytetrafluoroethylene (PTFE) breast that concentration is 40wt%
10min is impregnated in liquid, then carries out 120 DEG C of hot-pressing processings, upper filter layer is finally made after drying and shaping；
2) preparation of filter layer under；
3) preparation of cocoanut active charcoal interlayer：Catalyst is carried on cocoanut active charcoal particle, then matched somebody with somebody with binding agent by proportioning
Into mixing material, stir after slurry is made, be coated on filter layer or lower filter layer, finally by lower filter layer or upper filtering
Layer is covered on slurry, after hot pressing, solidification, drying, finished product.
Embodiment 2
It is a kind of to be used for formaldehyde adsorption and TVOC vehicle-mounted air purification piece, by upper filter layer, cocoanut active charcoal interlayer and lower filtering
Layer is combined；The upper filter layer and lower filter layer are polypropylene non-woven fabric, and the cocoanut active charcoal interlayer is by coconut activated
The mixing material that charcoal particle, the catalyst being carried on cocoanut active charcoal particle, calcium chloride and binding agent form was coated on
Filtering layer or lower filter layer surface cure form.
Wherein, the thickness of the upper filter layer, cocoanut active charcoal interlayer and lower filter layer is 0.8mm.
In the cocoanut active charcoal interlayer, cocoanut active charcoal particle (particle diameter is 0.1-1 microns) accounts for 82.5wt%, catalyst
1wt% is accounted for, calcium chloride accounts for 1.5wt%, and binding agent accounts for 15wt%.
The catalyst is the oxide of platinum.The binding agent is formaldehydeless soy-based adhesives.
The upper filter layer is made by the raw material of following mass percent：
Polypropylene 80%, modified natural fibers element 3%, hydrophobic cyclodextrin 2%, modified seawater fishbone dust 4%, silane coupler
1.5%, polytetrafluoroethylene (PTFE) 9.5%.
The preparation method of the modified seawater fishbone dust is as follows：Seawater fish-bone is cleaned and roughly ground to 80 mesh, is then placed
250 DEG C are warming up under anoxic condition in Muffle furnace, takes out and refines to 400 mesh after calcining 3h, obtains calcining seawater fish-bone
Powder, calcining seawater fishbone dust is mixed with butyl titanate, octadecanoic acid mass ratio 20: 0.5: 0.5, ground at 65 DEG C
40min, modified seawater fishbone dust is made.
The preparation method of the modified natural fibers element is as follows：By wooden particle temperature be 50 DEG C, concentration be 10wt%'s
35min is soaked in hydrogen peroxide solution, takes out and drains after immersion, add water boiling 2h at 120 DEG C；Then being concentrated into solid content is
30wt%, normal temperature is cooled to, adds containing lactic acid bacteria, saccharomycete mixed bacteria liquid and bacterium total concentration in solution is controlled 0.1 hundred million
Individual/mL, microbial fermentation 4 days at 20 DEG C；Finally product is washed with water, separate after dry, be made modified natural fibers element.
The lower filter layer is the polypropylene non-woven fabric for being compounded with antibacterial material；The antibacterial material is quaternary amine antibacterial
Agent.
The above-mentioned preparation method for being used for formaldehyde adsorption and TVOC vehicle-mounted air purification piece, comprises the following steps：
1) preparation of filter layer on：
1.1) by polypropylene chip and modified natural fibers be plain, hydrophobic cyclodextrin, modified seawater fishbone dust, nanometer sepiolite, silicon
Alkane coupling agent is mixed by proportioning, and melting is heated added in thermofusion device, obtains compounding flux；
1.2) non-woven fabrics is made by jet melting method in compounding flux；
1.3) polytetrafluoroethylene (PTFE) is formulated as ptfe emulsion, nonwoven is distributed in the polytetrafluoroethylene (PTFE) breast that concentration is 30wt%
15min is impregnated in liquid, then carries out 100 DEG C of hot-pressing processings, upper filter layer is finally made after drying and shaping；
2) preparation of filter layer under；
3) preparation of cocoanut active charcoal interlayer：Catalyst is carried on cocoanut active charcoal particle, then matched somebody with somebody with binding agent by proportioning
Into mixing material, stir after slurry is made, be coated on filter layer or lower filter layer, finally by lower filter layer or upper filtering
Layer is covered on slurry, after hot pressing, solidification, drying, finished product.
Embodiment 3
It is a kind of to be used for formaldehyde adsorption and TVOC vehicle-mounted air purification piece, by upper filter layer, cocoanut active charcoal interlayer and lower filtering
Layer is combined；The upper filter layer and lower filter layer are polypropylene non-woven fabric, and the cocoanut active charcoal interlayer is by coconut activated
The mixing material that charcoal particle, the catalyst being carried on cocoanut active charcoal particle, calcium chloride and binding agent form was coated on
Filtering layer or lower filter layer surface cure form.
Wherein, the thickness of the upper filter layer, cocoanut active charcoal interlayer and lower filter layer is 1.2mm.
In the cocoanut active charcoal interlayer, cocoanut active charcoal particle (particle diameter is 1-10 microns) accounts for 86.5wt%, catalyst
3wt% is accounted for, calcium chloride accounts for 0.5wt%, and binding agent accounts for 10wt%.
The catalyst is nano titanium oxide.The binding agent is formaldehydeless soy-based adhesives.
The upper filter layer is made by the raw material of following mass percent：
Polypropylene 80%, modified natural fibers element 3%, hydrophobic cyclodextrin 2%, modified seawater fishbone dust 6%, silane coupler
0.5%, polytetrafluoroethylene (PTFE) 8.5%.
The preparation method of the modified seawater fishbone dust is as follows：Seawater fish-bone is cleaned and roughly ground to 120 mesh, is then placed
450 DEG C are warming up under anoxic condition in Muffle furnace, takes out and refines to 800 mesh after calcining 1h, obtains calcining seawater fish-bone
Powder, calcining seawater fishbone dust is mixed with butyl titanate, octadecanoic acid mass ratio 20: 1.5: 1,20min is ground at 75 DEG C,
Modified seawater fishbone dust is made.
The preparation method of the modified natural fibers element is as follows：By wooden particle temperature be 60 DEG C, concentration be 20wt%'s
25min is soaked in hydrogen peroxide solution, takes out and drains after immersion, add water boiling 1h at 130 DEG C；Then being concentrated into solid content is
40wt%, normal temperature is cooled to, adds containing lactic acid bacteria, saccharomycete mixed bacteria liquid and bacterium total concentration in solution is controlled 0.3 hundred million
Individual/mL, microbial fermentation 2 days at 30 DEG C；Finally product is washed with water, separate after dry, be made modified natural fibers element.
The lower filter layer is the polypropylene non-woven fabric for being compounded with antibacterial material；The antibacterial material is quaternary amine antibacterial
Agent.
The above-mentioned preparation method for being used for formaldehyde adsorption and TVOC vehicle-mounted air purification piece, comprises the following steps：
1) preparation of filter layer on：
1.1) by polypropylene chip and modified natural fibers be plain, hydrophobic cyclodextrin, modified seawater fishbone dust, nanometer sepiolite, silicon
Alkane coupling agent is mixed by proportioning, and melting is heated added in thermofusion device, obtains compounding flux；
1.2) non-woven fabrics is made by jet melting method in compounding flux；
1.3) polytetrafluoroethylene (PTFE) is formulated as ptfe emulsion, nonwoven is distributed in the polytetrafluoroethylene (PTFE) breast that concentration is 50wt%
5min is impregnated in liquid, then carries out 140 DEG C of hot-pressing processings, upper filter layer is finally made after drying and shaping；
2) preparation of filter layer under；
3) preparation of cocoanut active charcoal interlayer：Catalyst is carried on cocoanut active charcoal particle, then matched somebody with somebody with binding agent by proportioning
Into mixing material, stir after slurry is made, be coated on filter layer or lower filter layer, finally by lower filter layer or upper filtering
Layer is covered on slurry, after hot pressing, solidification, drying, finished product.
Comparative example 1
Common electrostatic absorption air filter cloth purchased in market.
Combination property contrasts：
Embodiment 1-3 and the non-woven fabrics of comparative example 1 are subjected to performance comparison, it is as a result as follows：
| Thickness | Windage | The Electrostatic Absorption retention time | Antibiotic property | |
| Embodiment 1 | 3mm | 2.4 pa | 4-5 | Have |
| Embodiment 2 | 2.4mm | 1.7 pa | 4-5 | Have |
| Embodiment 3 | 3.6mm | 3.0 pa | 4-5 | Have |
| Comparative example 1 | 3mm | 1.9 pa | 2-3 | Nothing |
From the foregoing, it will be observed that the present invention containing activated carbon in the case where adding interlayer, and it is simply bigger compared with common non-woven fabric windage, it is quiet
The Electro Sorb retention time is more long, and has antibiotic property.
Formaldehyde and the detection of TVOC adsorption effects：
Formaldehyde and the detection of TVOC adsorption effects are carried out to the air-purifying piece of the embodiment of the present invention 1：
Detect unit：The chemical building material quality Supervision Test Center of country.
Detect the date：On July 25th, 2017.
Detect foundation：QB/T 2761-2006 indoor air purification product clean-up effect assay methods.Remarks：Test volume of compartment
Product：1.5m3；Clarification time：30min.
Detect sample：For formaldehyde adsorption and TVOC vehicle-mounted air purification piece (60cm*60cm*3mm).
Amount detection：15.
It is as follows to detect data：
| Sequence number | Detection project | Technical requirements | Testing result | Individual event conclusion | Remarks |
| 1 | Formaldehyde clearance, % | / | 11.7 | / | Clarification time 30min |
| 2 | TVOC clearances, % | / | 9.13 | / | Clarification time 30min |
From the foregoing, it will be observed that product of the present invention can effectively adsorb to formaldehyde in air and TVOC.
Raw materials used in the present invention, equipment, it is the conventional raw material, equipment of this area unless otherwise noted；In the present invention
Method therefor, it is the conventional method of this area unless otherwise noted.
It is described above, only it is presently preferred embodiments of the present invention, not the present invention is imposed any restrictions, it is every according to the present invention
Any simple modification, change and the equivalent transformation that technical spirit is made to above example, still fall within the technology of the present invention side
The protection domain of case.
Claims (10)
- It is 1. a kind of for formaldehyde adsorption and TVOC vehicle-mounted air purification piece, it is characterised in that：By upper filter layer, cocoanut active charcoal Interlayer and lower filter layer are combined；The upper filter layer and lower filter layer are polypropylene non-woven fabric, the cocoanut active charcoal folder The mixing material that layer is made up of cocoanut active charcoal particle, the catalyst being carried on cocoanut active charcoal particle, calcium chloride and binding agent Material is coated on filter layer or lower filter layer surface cure forms.
- It is 2. as claimed in claim 1 a kind of for formaldehyde adsorption and TVOC vehicle-mounted air purification piece, it is characterised in that described The thickness of upper filter layer, cocoanut active charcoal interlayer and lower filter layer is 0.8-1.2mm.
- It is 3. as claimed in claim 1 a kind of for formaldehyde adsorption and TVOC vehicle-mounted air purification piece, it is characterised in that described In cocoanut active charcoal interlayer, cocoanut active charcoal particle accounts for 80-90wt%, and catalyst accounts for 1-3wt%, and calcium chloride accounts for 0.5-1.5wt%, Binding agent accounts for 10-15wt%.
- It is 4. as claimed in claim 1 a kind of for formaldehyde adsorption and TVOC vehicle-mounted air purification piece, it is characterised in that described The particle diameter of cocoanut active charcoal particle is 0.1-10 microns.
- It is 5. as claimed in claim 1 a kind of for formaldehyde adsorption and TVOC vehicle-mounted air purification piece, it is characterised in that described Catalyst is selected from platinum, the oxide of platinum, nano titanium oxide；The binding agent is formaldehydeless soy-based adhesives.
- It is 6. as claimed in claim 1 a kind of for formaldehyde adsorption and TVOC vehicle-mounted air purification piece, it is characterised in that to go up Filtering layer is the polypropylene non-woven fabric with Electrostatic Absorption function, is made by the raw material of following mass percent：Polypropylene 80-84%,Modified natural fibers element 1-3%,Hydrophobic cyclodextrin 1-2%,Modified seawater fishbone dust 1-10%,Silane coupler 0.5-1.5%,Polytetrafluoroethylene (PTFE) 8-12%.
- It is 7. as claimed in claim 6 a kind of for formaldehyde adsorption and TVOC vehicle-mounted air purification piece, it is characterised in that described The preparation method of modified seawater fishbone dust is as follows：Seawater fish-bone is cleaned and roughly ground to 80-120 mesh, is then placed into Muffle furnace In be warming up to 250-450 DEG C under anoxic condition, take out and refine to 400-800 mesh after calcining 1-3h, obtain calcining fish Bone meal, by calcining seawater fishbone dust and butyl titanate, octadecanoic acid mass ratio 20:（0.5-1.5）:（0.5-1）Mixing, 20-40min is ground at 65-75 DEG C, modified seawater fishbone dust is made.
- It is 8. as claimed in claim 6 a kind of for formaldehyde adsorption and TVOC vehicle-mounted air purification piece, it is characterised in that described The preparation method of modified natural fibers element is as follows：Wooden particle is water-soluble in the dioxygen that temperature is 50-60 DEG C, concentration is 10-20wt% 25-35min is soaked in liquid, takes out and drains after immersion, add water boiling 1-2h at 120-130 DEG C；Then being concentrated into solid content is 30-40wt%, normal temperature is cooled to, adds containing lactic acid bacteria, saccharomycete mixed bacteria liquid and bacterium total concentration in solution is controlled in 0.1- 0.3 hundred million/mL, microbial fermentation 2-4 days at 20-30 DEG C；Finally product is washed with water, separate after dry, be made be modified Native cellulose.
- It is 9. as claimed in claim 1 a kind of for formaldehyde adsorption and TVOC vehicle-mounted air purification piece, it is characterised in that described Lower filter layer is the polypropylene non-woven fabric for being compounded with antibacterial material；The antibacterial material is selected from polypeptide silver and quaternary amine antiseptic.
- A kind of 10. preparation side for being used for formaldehyde adsorption and TVOC vehicle-mounted air purification piece as described in one of claim 1-9 Method, it is characterised in that comprise the following steps：1）The preparation of upper filter layer：1.1）By polypropylene chip and modified natural fibers be plain, hydrophobic cyclodextrin, modified seawater fishbone dust, nanometer sepiolite, silicon Alkane coupling agent is mixed by proportioning, and melting is heated added in thermofusion device, obtains compounding flux；1.2）Non-woven fabrics is made by jet melting method in compounding flux；1.3）Polytetrafluoroethylene (PTFE) is formulated as ptfe emulsion, nonwoven is distributed in the polytetrafluoroethylene (PTFE) that concentration is 30-50wt% 5-15min is impregnated in emulsion, then carries out 100-140 DEG C of hot-pressing processing, upper filter layer is finally made after drying and shaping；2）The preparation of lower filter layer；3）The preparation of cocoanut active charcoal interlayer：Catalyst is carried on cocoanut active charcoal particle, then matched somebody with somebody with binding agent by proportioning Into mixing material, stir after slurry is made, be coated on filter layer or lower filter layer, finally by lower filter layer or upper filtering Layer is covered on slurry, after hot pressing, solidification, drying, finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710720793.8A CN107569967B (en) | 2017-08-21 | 2017-08-21 | It is a kind of for formaldehyde adsorption and the vehicle-mounted air purification piece of TVOC and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710720793.8A CN107569967B (en) | 2017-08-21 | 2017-08-21 | It is a kind of for formaldehyde adsorption and the vehicle-mounted air purification piece of TVOC and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107569967A true CN107569967A (en) | 2018-01-12 |
| CN107569967B CN107569967B (en) | 2019-10-29 |
Family
ID=61035536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710720793.8A Active CN107569967B (en) | 2017-08-21 | 2017-08-21 | It is a kind of for formaldehyde adsorption and the vehicle-mounted air purification piece of TVOC and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107569967B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108926912A (en) * | 2018-09-25 | 2018-12-04 | 马硕远 | A kind of anti-haze filter cloth or filter core and haze-proof mask using the anti-haze filter cloth or filter core |
| CN111589428A (en) * | 2020-05-18 | 2020-08-28 | 军事科学院军事医学研究院环境医学与作业医学研究所 | Composite material for purifying air and preparation method thereof |
| CN111790209A (en) * | 2020-07-23 | 2020-10-20 | 张宗洲 | Automobile air conditioner filter screen and interlayer preparation method thereof |
| CN112892199A (en) * | 2021-02-02 | 2021-06-04 | 四川酉荃环保科技有限公司 | Purification sheet capable of decomposing formaldehyde for long time |
| CN113117649A (en) * | 2021-04-12 | 2021-07-16 | 北京三棵树新材料科技有限公司 | TVOC powder-resistant indoor degradation TVOC flowery flavor coating and preparation method thereof |
| CN114196178A (en) * | 2021-12-07 | 2022-03-18 | 广东金发科技有限公司 | Polylactic acid melt-blown non-woven composition, preparation method thereof and product prepared from polylactic acid melt-blown non-woven composition |
| CN115105896A (en) * | 2022-06-25 | 2022-09-27 | 淮南联合大学 | Activated carbon filter screen for air purifier and production method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102311550A (en) * | 2010-11-17 | 2012-01-11 | 北京林业大学 | Esterifiable modification method of lignocelluloses and esterifiable modified lignocelluloses |
| CN104923159A (en) * | 2015-06-15 | 2015-09-23 | 武汉理工大学 | Fish bone charcoal adsorbent and preparation method and application thereof |
| CN104984600A (en) * | 2015-06-18 | 2015-10-21 | 宁波高新区卓尔化工科技有限公司 | Multi-layer composite filtering net for HEPA filter |
| CN105148836A (en) * | 2015-07-08 | 2015-12-16 | 深圳市中纺滤材无纺布有限公司 | Catalytic decomposition type air purification material and preparation method thereof |
| CN205295805U (en) * | 2015-12-03 | 2016-06-08 | 北京亚都环保科技有限公司 | Compound air purification filter paper and use its filter core |
| CN106139743A (en) * | 2016-06-30 | 2016-11-23 | 宁波钛安新材料科技有限公司 | A kind of preparation method of layer structure air purifying filter mesh sheet |
| CN106861287A (en) * | 2017-02-15 | 2017-06-20 | 杭州创克洛环境科技有限公司 | A kind of air-conditioning air inlet filter screen air filtration non-woven fabrics and preparation method thereof |
| CN106984095A (en) * | 2016-12-30 | 2017-07-28 | 霍尼韦尔环境自控产品（天津）有限公司 | Air filter and the air purifier including air filter |
-
2017
- 2017-08-21 CN CN201710720793.8A patent/CN107569967B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102311550A (en) * | 2010-11-17 | 2012-01-11 | 北京林业大学 | Esterifiable modification method of lignocelluloses and esterifiable modified lignocelluloses |
| CN104923159A (en) * | 2015-06-15 | 2015-09-23 | 武汉理工大学 | Fish bone charcoal adsorbent and preparation method and application thereof |
| CN104984600A (en) * | 2015-06-18 | 2015-10-21 | 宁波高新区卓尔化工科技有限公司 | Multi-layer composite filtering net for HEPA filter |
| CN105148836A (en) * | 2015-07-08 | 2015-12-16 | 深圳市中纺滤材无纺布有限公司 | Catalytic decomposition type air purification material and preparation method thereof |
| CN205295805U (en) * | 2015-12-03 | 2016-06-08 | 北京亚都环保科技有限公司 | Compound air purification filter paper and use its filter core |
| CN106139743A (en) * | 2016-06-30 | 2016-11-23 | 宁波钛安新材料科技有限公司 | A kind of preparation method of layer structure air purifying filter mesh sheet |
| CN106984095A (en) * | 2016-12-30 | 2017-07-28 | 霍尼韦尔环境自控产品（天津）有限公司 | Air filter and the air purifier including air filter |
| CN106861287A (en) * | 2017-02-15 | 2017-06-20 | 杭州创克洛环境科技有限公司 | A kind of air-conditioning air inlet filter screen air filtration non-woven fabrics and preparation method thereof |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108926912A (en) * | 2018-09-25 | 2018-12-04 | 马硕远 | A kind of anti-haze filter cloth or filter core and haze-proof mask using the anti-haze filter cloth or filter core |
| CN111589428A (en) * | 2020-05-18 | 2020-08-28 | 军事科学院军事医学研究院环境医学与作业医学研究所 | Composite material for purifying air and preparation method thereof |
| CN111589428B (en) * | 2020-05-18 | 2023-01-31 | 军事科学院军事医学研究院环境医学与作业医学研究所 | Composite material for purifying air and preparation method thereof |
| CN111790209A (en) * | 2020-07-23 | 2020-10-20 | 张宗洲 | Automobile air conditioner filter screen and interlayer preparation method thereof |
| CN112892199A (en) * | 2021-02-02 | 2021-06-04 | 四川酉荃环保科技有限公司 | Purification sheet capable of decomposing formaldehyde for long time |
| CN113117649A (en) * | 2021-04-12 | 2021-07-16 | 北京三棵树新材料科技有限公司 | TVOC powder-resistant indoor degradation TVOC flowery flavor coating and preparation method thereof |
| CN114196178A (en) * | 2021-12-07 | 2022-03-18 | 广东金发科技有限公司 | Polylactic acid melt-blown non-woven composition, preparation method thereof and product prepared from polylactic acid melt-blown non-woven composition |
| CN114196178B (en) * | 2021-12-07 | 2024-05-14 | 广东金发科技有限公司 | Polylactic acid melt-blown nonwoven composition, preparation method thereof and product prepared by same |
| CN115105896A (en) * | 2022-06-25 | 2022-09-27 | 淮南联合大学 | Activated carbon filter screen for air purifier and production method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107569967B (en) | 2019-10-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107569967B (en) | It is a kind of for formaldehyde adsorption and the vehicle-mounted air purification piece of TVOC and preparation method thereof | |
| JP2007260603A (en) | Filter unit for air cleaner | |
| JP2000070646A (en) | Air purifying filter member | |
| CN106861287B (en) | A kind of air-conditioning air inlet filter screen air filtration non-woven fabrics and preparation method thereof | |
| CN101199912A (en) | Formaldehyde gas absorber | |
| CN103537255A (en) | Nanometer oxide ceramic purification and adsorption material with decomposition and bactericidal performance | |
| CN107019990A (en) | A kind of material for air purification and its application method | |
| JP3234538U (en) | Composite filter for air conditioning | |
| CN107012741A (en) | A kind of air purification filter paper and preparation method containing attapulgite clay | |
| CN113103680A (en) | Antibacterial, purifying and humidifying diatom cloth | |
| CN107781971A (en) | One kind is used for multi-functional air circulating system environmental protection filter screen and preparation method thereof | |
| JP3219435U (en) | Multi-function air conditioner filter | |
| JP2002028415A (en) | Air purifying filter | |
| CN107174868B (en) | A kind of vehicle-mounted air purification piece and preparation method thereof | |
| KR102380086B1 (en) | Ventilator Including Photocatalyst Filter, Antibacterial Filter and Antivirus Filter | |
| CN107051384A (en) | A kind of air cleaning fiber and preparation method thereof | |
| CN109758831A (en) | The preparation method of high-efficiency air filtering material | |
| CN206549330U (en) | Full-function anti-free radical fragrance filter screen | |
| CN107115720A (en) | Idle call filtering material and preparation method thereof | |
| CN1048415C (en) | Large-flow dust-filter sterilizing air filter membrane and its manufacturing method | |
| CN112495067A (en) | Air conditioner fresh air filter screen and preparation method and application thereof | |
| JP2004041276A (en) | Air cleaning filter | |
| CN204307451U (en) | A kind of antimicrobial component zero dissociates antibacterial deodouring type nonwoven ventilation filter cloth | |
| JP3241442U (en) | Lightweight thin multifunctional air conditioner filter | |
| WO2022003928A1 (en) | Multipurpose antibacterial sheet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |