CN110420554A - With except formaldehyde and the cleaning filtration screen of air of antibacterial functions and preparation method thereof - Google Patents
With except formaldehyde and the cleaning filtration screen of air of antibacterial functions and preparation method thereof Download PDFInfo
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- CN110420554A CN110420554A CN201910614114.8A CN201910614114A CN110420554A CN 110420554 A CN110420554 A CN 110420554A CN 201910614114 A CN201910614114 A CN 201910614114A CN 110420554 A CN110420554 A CN 110420554A
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- A61L9/00—Disinfection, sterilisation or deodorisation of air
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- B01D53/34—Chemical or biological purification of waste gases
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Abstract
The present invention relates to air purification field, providing has except formaldehyde and the cleaning filtration screen of air of antibacterial functions and preparation method thereof, for solving the problems, such as Formaldehyde Pollution of Indoor Air.The cleaning filtration screen of air provided by the invention having except formaldehyde and antibacterial functions, comprising: paper honeycomb carrier is immersed in the slurries containing nano-titanium dioxide by S11., impregnates 30min；S12 takes out paper honeycomb carrier, dries at 30 ~ 40 DEG C；S13. black PET sealing plate edge sealing is used after paper honeycomb carrier being cut, two sides are sealed with PU minuteness；The paper honeycomb is 50 ~ 80 mass parts, 1000 ~ 1500 mass parts of slurries.Air cleaner is improved to the removal efficiency of formaldehyde in air, while can effectively intercept the growth for inhibiting microorganism.
Description
Technical field
The present invention relates to air purification fields, and in particular to have except formaldehyde and antibacterial functions cleaning filtration screen of air and
Preparation method.
Background technique
" formaldehyde " is that one kind is colourless, there is the gas of intense irritation smell.Soluble easily in water, pure and mild ether.Formaldehyde is at normal temperature
It is gaseous state, usually occurs as an aqueous solution, it is very big to popularity health hazard.Formaldehyde is a kind of well-known carcinogen.
It, generally all can removing residue formaldehyde in newly-decorated room.If the substance of these aldehydes cannot be removed timely, remove
The smell is awful, influences that also immeasurable injury can be caused to the health of human body except quality of life.
In life, we are likely to touch bacterium all the time, and the presence and procreation of bacterium are ubiquitous, harmful
Bacterium can allow ill, present people improve the quality of life by using antibacterial instrument.
People achieve the purpose that purify air by using the air cleaner with removal formaldehyde and antibacterial, now universal
Existing clearing machine: 1. 2. negative ion and ozone type of ozone sterilization taste removal type, 3. ultraviolet light and photocatalyst are used in mixed way.But hold
It is also easy to produce following problem 1, generates ozone, affect human health；2, increase extra means；3, at high cost；4, it used
There are security risks in journey；5, maintenance cost is high.
Summary of the invention
Present invention solves the technical problem that solve the problems, such as Formaldehyde Pollution of Indoor Air, provide with removing formaldehyde and antibacterial functions
Cleaning filtration screen of air and preparation method thereof.
In order to solve the above technical problem, the present invention provides technical solution are as follows:
With the preparation method except formaldehyde and the cleaning filtration screen of air of antibacterial functions, comprising: honeycomb substrate is immersed in by S11.
In slurries containing nano-titanium dioxide, 30min is impregnated；S12 takes out honeycomb substrate, dries at 30 ~ 40 DEG C；S13. by bee
Nest carrier uses black PET sealing plate edge sealing after cutting, two sides are sealed with PU minuteness；The honeycomb is 50 ~ 80 mass parts, the slurries
1000 ~ 1500 mass parts, the honeycomb are paper honeycomb or PP honeycomb.
The load nano-titanium dioxide on paper honeycomb can effectively be handled air using nano-titanium dioxide,
To realize the purification to formaldehyde in air, while microorganism can be intercepted, inhibit the growth of a variety of germs.
Air cleaner is improved to the removal efficiency of formaldehyde in air, while can effectively intercept and inhibit microorganism
Growth.
Preferably, the slurries the preparation method comprises the following steps: take 2 ~ 5 mass parts of graphene oxide, 100 ~ 150 mass of glacial acetic acid
Part, 5 ~ 15 mass parts of tetrabutyl titanate, 1 ~ 3 mass parts of nano cupric oxide, 1000 ~ 1500 mass parts of deionized water；Stone will be aoxidized
In glacial acetic acid, 20 ~ 40min of ultrasound obtains dispersion liquid for black alkene dispersion；Tetrabutyl titanate is added drop-wise in dispersion liquid, high-speed stirring
Hydro-thermal reaction is carried out after mixing, and 36 ~ 48h is reacted at 200 ~ 220 DEG C, obtains presoma；Nano cupric oxide is added to presoma
In, 1 ~ 3h of ultrasonic disperse is centrifuged at a high speed, and is washed 4 ~ 6 times with dehydrated alcohol, is dried to obtain solid product；By solid product
Modified nano-titanium dioxide is obtained after calcining 1 ~ 3h in nitrogen atmosphere；Modified nano-titanium dioxide is distributed to deionized water
In, obtain slurries.It can be further improved the removal efficiency of PARA FORMALDEHYDE PRILLS(91,95) using modified nano-titanium dioxide.
Preferably, 3 ~ 5 mass parts of graphene oxide, 120 ~ 150 mass parts of glacial acetic acid, 10 ~ 15 matter of tetrabutyl titanate
Measure part, 2 ~ 3 mass parts of nano cupric oxide, 1200 ~ 1500 mass parts of deionized water.
Preferably, 3 mass parts of graphene oxide, 120 mass parts of glacial acetic acid, 10 mass parts of tetrabutyl titanate, nanometer
2 mass parts of copper oxide, 1200 mass parts of deionized water.
Preferably, the graphene is modified graphene oxide.Modified graphene oxide can be improved further
The removal efficiency of air cleaner PARA FORMALDEHYDE PRILLS(91,95).
Preferably, the modified graphene oxide the preparation method comprises the following steps: take 15 ~ 25 mass parts of oleic acid, 7 ~ 10 matter of diethylamine
Amount part, 5 ~ 8 mass parts of boric acid, 2 ~ 5 mass parts of graphene oxide, 3 ~ 10 mass parts of ethanol amine, 30 ~ 40 mass parts of thionyl chloride,
The mass parts of DMF10 ~ 15,0.1 ~ 0.3 mass parts of potassium hydroxide；The diethylamine of half is added after oleic acid is heated to 100 ~ 150 DEG C,
2 ~ 3h is stirred after being warming up to 150 ~ 200 DEG C, then is cooled to 50 ~ 80 DEG C, remaining diethylamine and potassium hydroxide is added, reaction terminates
Afterwards, boric acid is added, is warming up to 120 ~ 140 DEG C and goes to remove water, obtain oily liquids；Graphene oxide, thionyl chloride and DMF are mixed
It closes, is warming up to 60 ~ 80 DEG C of extra thionyl chlorides of removal under nitrogen protection, ethanol amine and oily liquids, heating is then added
To 130 ~ 150 DEG C, 1 ~ 2h is kept the temperature, semifinished product is obtained；After semifinished product is cooling, filtering, takes filter residue ethanol washing, drying, grinds
Mill, obtains modified graphene oxide.Graphene is modified by oleic acid, can further improve air cleaner
Formaldehyde removal effect.
Preferably, 20 ~ 25 mass parts of oleic acid, 8 ~ 10 mass parts of diethylamine, 6 ~ 8 mass parts of boric acid, graphene oxide 3
~ 5 mass parts, 5 ~ 10 mass parts of ethanol amine, 35 ~ 40 mass parts of thionyl chloride, the mass parts of DMF12 ~ 15, potassium hydroxide 0.2 ~ 0.3
Mass parts.
Preferably, 20 mass parts of oleic acid, 8 mass parts of diethylamine, 6 mass parts of boric acid, 3 mass parts of graphene oxide,
5 mass parts of ethanol amine, 35 mass parts of thionyl chloride, DMF12 mass parts, 0.2 mass parts of potassium hydroxide.
Preferably, the filter residue is dry in vacuum environment, and the drying temperature is 80 ~ 90 DEG C.Vacuum drying can be kept away
The structure for exempting from graphene changes.
A kind of cleaning filtration screen of air with except formaldehyde and antibacterial functions, is filtered according to made from above-mentioned preparation method
Net.
Compared with prior art, the device have the advantages that are as follows: improve air cleaner to formaldehyde in air
Removal efficiency, while can effectively intercept the growth for inhibiting microorganism.
Specific embodiment
Following implementation column is to further explanation of the invention, is not limitation of the present invention.
Embodiment 1
With the preparation method except formaldehyde and the cleaning filtration screen of air of antibacterial functions, comprising: S11. impregnates paper honeycomb carrier
In the slurries containing nano-titanium dioxide, 30min is impregnated；S12 takes out paper honeycomb carrier, dries at 30 ~ 40 DEG C；S13.
Black PET sealing plate edge sealing is used after paper honeycomb carrier is cut, two sides are sealed with PU minuteness；The paper honeycomb is 50 ~ 80 mass parts, institute
State 1000 ~ 1500 mass parts of slurries.The slurries the preparation method comprises the following steps: take 3 mass parts of graphene oxide, 120 mass of glacial acetic acid
Part, 10 mass parts of tetrabutyl titanate, 2 mass parts of nano cupric oxide, 1200 mass parts of deionized water；Graphene oxide is dispersed in
In glacial acetic acid, ultrasonic 30min obtains dispersion liquid；Tetrabutyl titanate is added drop-wise in dispersion liquid, it is anti-that hydro-thermal is carried out after high-speed stirred
It answers, reacts 40h at 200 ~ 220 DEG C, obtain presoma；Nano cupric oxide is added in presoma, ultrasonic disperse 2h, high speed
Centrifuge separation, is washed 5 times with dehydrated alcohol, is dried to obtain solid product；It is obtained after solid product to be calcined to 2h in nitrogen atmosphere
To modified nano-titanium dioxide；Modified nano-titanium dioxide is distributed in deionized water, slurries are obtained.The graphene is to change
Property graphene oxide.The modified graphene oxide the preparation method comprises the following steps: take 20 mass parts of oleic acid, 8 mass parts of diethylamine, boric acid
6 mass parts, 3 mass parts of graphene oxide, 5 mass parts of ethanol amine, 35 mass parts of thionyl chloride, DMF12 mass parts, potassium hydroxide
0.2 mass parts；The diethylamine of half is added after oleic acid is heated to 120 DEG C, 2.5h is stirred after being warming up to 160 DEG C, then be cooled to
60 DEG C, remaining diethylamine and potassium hydroxide is added, after reaction, boric acid is added, is warming up to 130 DEG C and goes to remove water, obtain oil
Shape liquid；Graphene oxide, thionyl chloride and DMF are mixed, it is sub- to be warming up to 70 DEG C of extra dichloros of removal under nitrogen protection
Then ethanol amine and oily liquids is added in sulfone, be warming up to 140 DEG C, keeps the temperature 1.5h, obtains semifinished product；Semifinished product is cooling, filtering
Afterwards, filter residue ethanol washing, drying, grinding are taken, modified graphene oxide is obtained.The filter residue is dry in vacuum environment, institute
Stating drying temperature is 85 DEG C.
The load nano-titanium dioxide on paper honeycomb can effectively be handled air using nano-titanium dioxide,
To realize the purification to formaldehyde in air, while microorganism can be intercepted, inhibit the growth of a variety of germs.It is net to improve air
Change machine can effectively intercept the growth for inhibiting microorganism to the removal efficiency of formaldehyde in air.Using modified nanometer
Titanium dioxide can be further improved the removal efficiency of PARA FORMALDEHYDE PRILLS(91,95).Modified graphene oxide can further improve air
The removal efficiency of clearing machine PARA FORMALDEHYDE PRILLS(91,95).Graphene is modified by oleic acid, can further improve air cleaner
Formaldehyde removal effect.Vacuum drying can change to avoid the structure of graphene.
Embodiment 2
With the preparation method except formaldehyde and the cleaning filtration screen of air of antibacterial functions, comprising: S11. impregnates paper honeycomb carrier
In the slurries containing nano-titanium dioxide, 30min is impregnated；S12 takes out paper honeycomb carrier, dries at 30 ~ 40 DEG C；S13.
Black PET sealing plate edge sealing is used after paper honeycomb carrier is cut, two sides are sealed with PU minuteness；The paper honeycomb is 50 ~ 80 mass parts, institute
State 1000 ~ 1500 mass parts of slurries.The slurries the preparation method comprises the following steps: take 2 mass parts of graphene oxide, 100 mass of glacial acetic acid
Part, 5 mass parts of tetrabutyl titanate, 1 mass parts of nano cupric oxide, 1000 mass parts of deionized water；Graphene oxide is dispersed in
In glacial acetic acid, ultrasonic 20min obtains dispersion liquid；Tetrabutyl titanate is added drop-wise in dispersion liquid, it is anti-that hydro-thermal is carried out after high-speed stirred
It answers, reacts 36h at 200 DEG C, obtain presoma；Nano cupric oxide is added in presoma, ultrasonic disperse 1h, high speed centrifugation
Separation, is washed 4 times with dehydrated alcohol, is dried to obtain solid product；Changed after solid product is calcined 1h in nitrogen atmosphere
Property nano-titanium dioxide；Modified nano-titanium dioxide is distributed in deionized water, slurries are obtained.The graphene is modified oxygen
Graphite alkene.The modified graphene oxide the preparation method comprises the following steps: take 15 mass parts of oleic acid, 7 mass parts of diethylamine, 5 matter of boric acid
Measure part, 2 mass parts of graphene oxide, 3 mass parts of ethanol amine, 30 mass parts of thionyl chloride, DMF10 mass parts, potassium hydroxide 0.1
Mass parts；The diethylamine of half is added after oleic acid is heated to 100 DEG C, 2h is stirred after being warming up to 150 DEG C, then be cooled to 50 DEG C,
Remaining diethylamine and potassium hydroxide is added, after reaction, boric acid is added, is warming up to 120 DEG C and goes to remove water, obtain oily liquid
Body；Graphene oxide, thionyl chloride and DMF are mixed, are warming up to 60 DEG C of extra thionyl chlorides of removal under nitrogen protection, so
Ethanol amine and oily liquids are added afterwards, is warming up to 130 DEG C, keeps the temperature 1h, obtains semifinished product；After semifinished product is cooling, filtering, filter is taken
Slag ethanol washing, drying, grinding, obtain modified graphene oxide.The filter residue is dry in vacuum environment, the dry temperature
Degree is 80 DEG C.
Embodiment 3
With the preparation method except formaldehyde and the cleaning filtration screen of air of antibacterial functions, comprising: S11. impregnates paper honeycomb carrier
In the slurries containing nano-titanium dioxide, 30min is impregnated；S12 takes out paper honeycomb carrier, dries at 30 ~ 40 DEG C；S13.
Black PET sealing plate edge sealing is used after paper honeycomb carrier is cut, two sides are sealed with PU minuteness；The paper honeycomb is 50 ~ 80 mass parts, institute
State 1000 ~ 1500 mass parts of slurries.The slurries the preparation method comprises the following steps: take 5 mass parts of graphene oxide, 150 mass of glacial acetic acid
Part, 15 mass parts of tetrabutyl titanate, 3 mass parts of nano cupric oxide, 1500 mass parts of deionized water；Graphene oxide is dispersed in
In glacial acetic acid, ultrasonic 40min obtains dispersion liquid；Tetrabutyl titanate is added drop-wise in dispersion liquid, it is anti-that hydro-thermal is carried out after high-speed stirred
It answers, reacts 48h at 220 DEG C, obtain presoma；Nano cupric oxide is added in presoma, ultrasonic disperse 3h, high speed centrifugation
Separation, is washed 6 times with dehydrated alcohol, is dried to obtain solid product；Changed after solid product is calcined 3h in nitrogen atmosphere
Property nano-titanium dioxide；Modified nano-titanium dioxide is distributed in deionized water, slurries are obtained.The graphene is modified oxygen
Graphite alkene.The modified graphene oxide the preparation method comprises the following steps: take 25 mass parts of oleic acid, 10 mass parts of diethylamine, 8 matter of boric acid
Measure part, 5 mass parts of graphene oxide, 10 mass parts of ethanol amine, 40 mass parts of thionyl chloride, DMF15 mass parts, potassium hydroxide
0.3 mass parts；The diethylamine of half is added after oleic acid is heated to 150 DEG C, 3h is stirred after being warming up to 200 DEG C, then be cooled to 80
DEG C, remaining diethylamine and potassium hydroxide is added, after reaction, boric acid is added, is warming up to 140 DEG C and goes to remove water, obtain oily
Liquid；Graphene oxide, thionyl chloride and DMF are mixed, are warming up to 80 DEG C of extra thionyl chlorides of removal under nitrogen protection,
Then ethanol amine and oily liquids is added, is warming up to 150 DEG C, keeps the temperature 2h, obtains semifinished product；After semifinished product is cooling, filtering, take
Filter residue ethanol washing, drying, grinding, obtain modified graphene oxide.The filter residue is dry in vacuum environment, the drying
Temperature is 90 DEG C.
Embodiment 4
Embodiment 4 with embodiment 1 the difference is that, the slurries the preparation method comprises the following steps: by nano-titanium dioxide and nano oxygen
Change copper dispersion in deionized water.
Embodiment 5
Embodiment 5 with embodiment 1 the difference is that, the slurries the preparation method comprises the following steps: the slurries the preparation method comprises the following steps: taking
3 mass parts of graphene oxide, 120 mass parts of glacial acetic acid, 10 mass parts of tetrabutyl titanate, 2 mass parts of nano cupric oxide, deionization
1200 mass parts of water；In glacial acetic acid by graphene oxide dispersion, ultrasonic 30min obtains dispersion liquid；Tetrabutyl titanate is added dropwise
Into dispersion liquid, hydro-thermal reaction is carried out after high-speed stirred, is reacted 40h at 210 DEG C, is obtained presoma；By presoma high speed from
Heart separation, is washed 5 times with dehydrated alcohol, is dried to obtain solid product；It is obtained after solid product is calcined 2h in nitrogen atmosphere
Modified nano-titanium dioxide；Modified nano-titanium dioxide is distributed in deionized water, slurries are obtained.
Embodiment 6
Embodiment 6 with embodiment 1 the difference is that, the graphene oxide is unmodified.
Embodiment 7
Embodiment 7 with embodiment 1 the difference is that, the modified graphene oxide the preparation method comprises the following steps: taking graphene oxide 3
Mass parts, 5 mass parts of ethanol amine, 35 mass parts of thionyl chloride, DMF12 mass parts, 0.2 mass parts of potassium hydroxide；Stone will be aoxidized
Black alkene, thionyl chloride and DMF mixing are warming up to 70 DEG C of extra thionyl chlorides of removal under nitrogen protection, ethyl alcohol are then added
Amine and oily liquids are warming up to 140 DEG C, keep the temperature 1.5h, obtain semifinished product；After semifinished product is cooling, filtering, filter residue ethyl alcohol is taken
Washing, dry, grinding, obtain modified graphene oxide.
Embodiment 8
With the preparation method except formaldehyde and the cleaning filtration screen of air of antibacterial functions, comprising: S11. impregnates PP honeycomb substrate
In the slurries containing nano-titanium dioxide, 30min is impregnated；S12 takes out PP honeycomb substrate, dries at 30 ~ 40 DEG C；S13.
Black PET sealing plate edge sealing is used after PP honeycomb substrate is cut, two sides are sealed with PU minuteness；The PP honeycomb is 50 ~ 80 mass parts, institute
State 1000 ~ 1500 mass parts of slurries.The slurries the preparation method comprises the following steps: take 3 mass parts of graphene oxide, 120 mass of glacial acetic acid
Part, 10 mass parts of tetrabutyl titanate, 2 mass parts of nano cupric oxide, 1200 mass parts of deionized water；Graphene oxide is dispersed in
In glacial acetic acid, ultrasonic 30min obtains dispersion liquid；Tetrabutyl titanate is added drop-wise in dispersion liquid, it is anti-that hydro-thermal is carried out after high-speed stirred
It answers, reacts 40h at 200 ~ 220 DEG C, obtain presoma；Nano cupric oxide is added in presoma, ultrasonic disperse 2h, high speed
Centrifuge separation, is washed 5 times with dehydrated alcohol, is dried to obtain solid product；It is obtained after solid product to be calcined to 2h in nitrogen atmosphere
To modified nano-titanium dioxide；Modified nano-titanium dioxide is distributed in deionized water, slurries are obtained.The graphene is to change
Property graphene oxide.The modified graphene oxide the preparation method comprises the following steps: take 20 mass parts of oleic acid, 8 mass parts of diethylamine, boric acid
6 mass parts, 3 mass parts of graphene oxide, 5 mass parts of ethanol amine, 35 mass parts of thionyl chloride, DMF12 mass parts, potassium hydroxide
0.2 mass parts；The diethylamine of half is added after oleic acid is heated to 120 DEG C, 2.5h is stirred after being warming up to 160 DEG C, then be cooled to
60 DEG C, remaining diethylamine and potassium hydroxide is added, after reaction, boric acid is added, is warming up to 130 DEG C and goes to remove water, obtain oil
Shape liquid；Graphene oxide, thionyl chloride and DMF are mixed, it is sub- to be warming up to 70 DEG C of extra dichloros of removal under nitrogen protection
Then ethanol amine and oily liquids is added in sulfone, be warming up to 140 DEG C, keeps the temperature 1.5h, obtains semifinished product；Semifinished product is cooling, filtering
Afterwards, filter residue ethanol washing, drying, grinding are taken, modified graphene oxide is obtained.The filter residue is dry in vacuum environment, institute
Stating drying temperature is 85 DEG C.
Comparative example
Comparative example with embodiment 1 the difference is that, comprising: aluminum honeycomb carrier is immersed in containing nano-titanium dioxide by S11.
In slurries, 30min is impregnated；S12 takes out aluminum honeycomb carrier, dries at 30 ~ 40 DEG C；S13. it is used after aluminum honeycomb carrier being cut
Black PET sealing plate edge sealing, two sides are sealed with PU minuteness；The aluminum honeycomb is 50 ~ 80 mass parts, 1000 ~ 1500 mass of slurries
Part.
Experimental example
The purifying rate of bacteriostasis and PARA FORMALDEHYDE PRILLS(91,95) to filter screen is tested, and test result is as shown in table 1.
A certain amount of formaldehyde: being put into closed interior by purifying formaldehyde rate test, starts air purifier, after recycling for 24 hours,
The surplus of formaldehyde in air is measured, and then determines the purifying rate of formaldehyde.
1 filter screen performance of table
As known from Table 1, embodiment 1 ~ 3 is had outstanding antibacterial and except formaldehyde using the modified nano-titanium dioxide of modified graphene
The effect of.
Nano-titanium dioxide in embodiment 4 is only modified by nano cupric oxide, and the nano-titanium dioxide in embodiment 5 is not
It is modified that nano cupric oxide is added, antibacterial and except formaldehyde effect is markedly less than embodiment 1 ~ 3, while whether being added nano oxidized
Copper does not have significant impact to fungistatic effect, but the purification of PARA FORMALDEHYDE PRILLS(91,95) has more apparent influence, it is therefore contemplated that suppression
Bacterium is by graphene oxide to nano-titanium dioxide modified caused.
The method of modifying of graphene oxide in embodiment 6 and 7 is different with embodiment 1 ~ 3, shows that only certain way changes
Property obtain graphene oxide could be effective antibacterial except formaldehyde.
Comparative example uses aluminum honeycomb, and effect is markedly less than embodiment 1 ~ 3, and showing only could be effective using paper honeycomb
Load nano-titanium dioxide.
Above-listed detailed description is illustrating for possible embodiments of the present invention, and above embodiments are not to limit this
The scope of the patents of invention, all equivalence enforcements or change without departing from carried out by the present invention, is intended to be limited solely by the scope of the patents of this case.
Claims (10)
1. the preparation method with the cleaning filtration screen of air except formaldehyde and antibacterial functions characterized by comprising S11. is by bee
Nest carrier is immersed in the slurries containing nano-titanium dioxide, impregnates 30min；S12 takes out honeycomb substrate, at 30 ~ 40 DEG C
Drying；S13. black PET sealing plate edge sealing is used after honeycomb substrate being cut, two sides are sealed with PU minuteness；The honeycomb is 50 ~ 80 mass
Part, 1000 ~ 1500 mass parts of slurries, the honeycomb substrate is paper honeycomb or PP honeycomb.
2. the preparation method with the cleaning filtration screen of air except formaldehyde and antibacterial functions according to claim 1, special
Sign is, the slurries the preparation method comprises the following steps: taking 2 ~ 5 mass parts of graphene oxide, 100 ~ 150 mass parts of glacial acetic acid, metatitanic acid is just
5 ~ 15 mass parts of butyl ester, 1 ~ 3 mass parts of nano cupric oxide, 1000 ~ 1500 mass parts of deionized water；Graphene oxide is dispersed in
In glacial acetic acid, 20 ~ 40min of ultrasound obtains dispersion liquid；Tetrabutyl titanate is added drop-wise in dispersion liquid, water is carried out after high-speed stirred
Thermal response reacts 36 ~ 48h at 200 ~ 220 DEG C, obtains presoma；Nano cupric oxide is added in presoma, ultrasonic disperse
1 ~ 3h is centrifuged at a high speed, and is washed 4 ~ 6 times with dehydrated alcohol, is dried to obtain solid product；By solid product in nitrogen atmosphere
Modified nano-titanium dioxide is obtained after 1 ~ 3h of calcining；Modified nano-titanium dioxide is distributed in deionized water, slurries are obtained.
3. the preparation method with the cleaning filtration screen of air except formaldehyde and antibacterial functions according to claim 2, special
Sign is, 3 ~ 5 mass parts of graphene oxide, 120 ~ 150 mass parts of glacial acetic acid, 10 ~ 15 mass parts of tetrabutyl titanate, nanometer
2 ~ 3 mass parts of copper oxide, 1200 ~ 1500 mass parts of deionized water.
4. the preparation method with the cleaning filtration screen of air except formaldehyde and antibacterial functions according to claim 1, special
Sign is, 3 mass parts of graphene oxide, 120 mass parts of glacial acetic acid, 10 mass parts of tetrabutyl titanate, 2 matter of nano cupric oxide
Measure part, 1200 mass parts of deionized water.
5. the preparation method with the cleaning filtration screen of air except formaldehyde and antibacterial functions according to claim 1, special
Sign is that the graphene is modified graphene oxide.
6. the preparation method with the cleaning filtration screen of air except formaldehyde and antibacterial functions according to claim 1, special
Sign is, the modified graphene oxide the preparation method comprises the following steps: take 15 ~ 25 mass parts of oleic acid, 7 ~ 10 mass parts of diethylamine, boric acid
5 ~ 8 mass parts, 2 ~ 5 mass parts of graphene oxide, 3 ~ 10 mass parts of ethanol amine, 30 ~ 40 mass parts of thionyl chloride, the matter of DMF10 ~ 15
Measure part, 0.1 ~ 0.3 mass parts of potassium hydroxide；The diethylamine of half is added after oleic acid is heated to 100 ~ 150 DEG C, it is warming up to 150 ~
2 ~ 3h is stirred after 200 DEG C, then is cooled to 50 ~ 80 DEG C, remaining diethylamine and potassium hydroxide is added, and after reaction, boron is added
Acid is warming up to 120 ~ 140 DEG C and goes to remove water, obtains oily liquids；Graphene oxide, thionyl chloride and DMF are mixed, protected in nitrogen
It is warming up to 60 ~ 80 DEG C of extra thionyl chlorides of removal under shield, ethanol amine and oily liquids is then added, is warming up to 130 ~ 150 DEG C,
1 ~ 2h is kept the temperature, semifinished product is obtained；After semifinished product is cooling, filtering, filter residue ethanol washing, drying, grinding are taken, obtains modified oxygen
Graphite alkene.
7. the preparation method with the cleaning filtration screen of air except formaldehyde and antibacterial functions according to claim 1, special
Sign is, 20 ~ 25 mass parts of oleic acid, 8 ~ 10 mass parts of diethylamine, 6 ~ 8 mass parts of boric acid, 3 ~ 5 mass of graphene oxide
Part, 5 ~ 10 mass parts of ethanol amine, 35 ~ 40 mass parts of thionyl chloride, the mass parts of DMF12 ~ 15,0.2 ~ 0.3 mass parts of potassium hydroxide.
8. the preparation method with the cleaning filtration screen of air except formaldehyde and antibacterial functions according to claim 1, special
Sign is, 20 mass parts of oleic acid, 8 mass parts of diethylamine, 6 mass parts of boric acid, 3 mass parts of graphene oxide, 5 matter of ethanol amine
Measure part, 35 mass parts of thionyl chloride, DMF12 mass parts, 0.2 mass parts of potassium hydroxide.
9. the preparation method with the cleaning filtration screen of air except formaldehyde and antibacterial functions according to claim 1, special
Sign is that the filter residue is dry in vacuum environment, and the drying temperature is 80 ~ 90 DEG C.
10. the cleaning filtration screen of air according to claim 1 having except formaldehyde and antibacterial functions, which is characterized in that root
According to filter screen made from the described in any item preparation methods of claim 1 ~ 9.
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