CN109575717A - It is a kind of can be with efficient-decomposition formaldehyde, the indoor coating of toluene and preparation method thereof - Google Patents
It is a kind of can be with efficient-decomposition formaldehyde, the indoor coating of toluene and preparation method thereof Download PDFInfo
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- CN109575717A CN109575717A CN201811485805.4A CN201811485805A CN109575717A CN 109575717 A CN109575717 A CN 109575717A CN 201811485805 A CN201811485805 A CN 201811485805A CN 109575717 A CN109575717 A CN 109575717A
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- toluene
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- 239000011248 coating agent Substances 0.000 title claims abstract description 45
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 title claims abstract description 44
- 238000000354 decomposition reaction Methods 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title claims abstract description 35
- 239000002048 multi walled nanotube Substances 0.000 claims abstract description 112
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 69
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 61
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- 229910052588 hydroxylapatite Inorganic materials 0.000 claims abstract description 33
- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 claims abstract description 33
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 30
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- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 claims description 10
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- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 5
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Classifications
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- C—CHEMISTRY; METALLURGY
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- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D131/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Coating compositions based on derivatives of such polymers
- C09D131/02—Homopolymers or copolymers of esters of monocarboxylic acids
- C09D131/04—Homopolymers or copolymers of vinyl acetate
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C—CHEMISTRY; METALLURGY
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- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K2003/0856—Iron
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- C—CHEMISTRY; METALLURGY
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
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- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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Abstract
The present invention provides one kind can be with efficient-decomposition formaldehyde, the indoor coating of toluene and preparation method thereof, it is related to technical field of coatings, is prepared by the constituent of following parts by weight: 160-200 parts of vinyl acetate-ethylene copolymerization emulsions, 50-80 parts of hydroxyapatite sphere, MWCNT supporting Pt Fe-TiO220-40 parts of catalyst, 0.5-1.5 parts of dispersing agent DAD DISPERSANT 6227,0.2-0.6 parts of defoaming agent BYK-034,0.1-0.5 parts of thickener WT201,1-3 parts of film forming agent PVA-217,100-120 parts of deionized water, experimental verification indoor coating PARA FORMALDEHYDE PRILLS(91,95) of the present invention, toluene also have catalytic decomposition removal performance well in low temperature, it can be to realize degradable, and the CO of formaldehyde, toluene in the short time2Selectivity is 100%, and by-product has no toxic side effect.
Description
Technical field
The present invention relates to technical field of coatings, and in particular to it is a kind of can with efficient-decomposition formaldehyde, toluene indoor coating and
Preparation method.
Background technique
With the raising of people's economic life level, interior decoration has become a kind of fashion, and the decoration being widely used
Material, which will be slow, releases multiple pollutant, and room air pollution is caused to be on the rise, and then influences human health.Formaldehyde and first
Benzene is two kinds of common indoor air pollutants, with the features such as toxicity height, harmfulness is big, by the World Health Organization
It is determined as carcinogenic and causes deformed material.
Indoor formaldehyde is exceeded mainly 3 points of serious harms: 1, sensitization: direct skin contact formaldehyde can cause allergy
Property dermatitis, color spot, necrosis, suck high-concentration formaldehyde when can induce bronchial asthma；2, stimulation: the main harm table of formaldehyde
Now for mucocutaneous stimulation, formaldehyde is magma noxious material, can be breathed in conjunction with protein, when high concentration sucking
The serious stimulation in road and oedema, Eye irritation, headache；3, mutagenesis: high-concentration formaldehyde or a kind of genotoxicity substance.It is real
Animal is tested in the case where the sucking of laboratory high concentration, rhinopharyngeal neoplasm can be caused.
Indoor toluene exceeded can be to eye and the irritating effect of the upper respiratory tract, and Central nervous system has paralysis to make when high concentration
With sucking higher concentration toluene for a long time may occur in which eye and the apparent irritation of the upper respiratory tract, eye conjunctiva and pharyngeal hyperemia, head
Dizzy, Nausea and vomiting, uncomfortable in chest, weakness of limbs, it is clouding of consciousness, lurch.Severe one can have restless, twitch or stupor, some to have hysteria
Disease, neurasthenic syndrome breaking-out, dry skin, chap, dermatitis, women have menoxenia.
Be usually used in formaldehyde, toluene purification method mainly have adsorption technology, photocatalysis technology, lower temperature plasma technology with
And room-temperature catalytic oxidation technology etc..
Application number: 201410558266.8 documents 1 provide a kind of with the silicon for adsorbing and decomposing toluene function
Algicide coatings, it is using diatomite dispersion liquid, 5040 type dispersing agents, 2,2, the 4- trimethyls 1,3- for loading decomposable toluene material
Pentanediol mono isobutyrate, Kh-550 type silane coupling agent, polyacrylic ester thickener, 2-amino-2-methyl-1-propanol, height
Ridge soil, mica powder, titanium dioxide, octyl phenol polyoxyethylene ether, ethylene glycol, 705 type EVA lotions, AGITAN-208 type defoaming agent, card
The raw materials such as pine and water compound.And the diatomite dispersion liquid for loading decomposable toluene material is catalyzed using CoO/Al2O3 type
Agent, nanometer anatase titania, diatomite, 5040 type dispersing agents, 405 type wetting agents, AGITAN-208 type defoaming agent, 400
Type polyethylene glycol, 2-amino-2-methyl-1-propanol, Kh-570 type silane coupling agent, TT-935 type thickener and water compounding and
At.The product of preparation has the function of to adsorb and decomposes toluene.
Application number: 201810076918.2 documents 2 provide a kind of coating of decomposing formaldehyde release anion, institute
State coating raw material includes following components by weight: 80-90 parts of coating substrates, and 5-6 parts of anionic additives and Fe3+ ginseng folder are received
5-6 parts of titanium dioxide of rice, the methyl silanol potassium in water paint of the invention are a kind of low molecule organosilicons of high response, are had
Machine silicon object aqueous solution is in alkalinity；The present invention joined gelatine powder in coating and jelly powder contains a large amount of amino acid substances, can have
The pernicious gases such as effect removal formaldehyde；Fe3+ ginseng folder nano-titanium dioxide of the invention can degradation of formaldehyde under visible light conditions；
For the present invention by addition anionic additive, effectively removing in air has gas.
In documents 1 and documents 2 can only single decomposition toluene or formaldehyde, and decomposition efficiency is not high.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides it is a kind of can with efficient-decomposition formaldehyde, toluene indoor coating and
Preparation method.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs:
It is a kind of to be prepared with efficient-decomposition formaldehyde, the indoor coating of toluene by the constituent of following parts by weight:
160-200 parts of vinyl acetate-ethylene copolymerization emulsions, 50-80 parts of hydroxyapatite sphere, MWCNT supporting Pt Fe-TiO2Catalyst
20-40 parts, 0.5-1.5 parts of dispersing agent DAD DISPERSANT 6227,0.2-0.6 parts of defoaming agent BYK-034, thickener
0.1-0.5 parts of WT201,1-3 parts of film forming agent PVA-217,100-120 parts of deionized water.
Preferably, it is prepared by the constituent of following parts by weight: 180 parts of vinyl acetate-ethylene copolymerization emulsions, hydroxyl
60 parts of base apatite sphere, MWCNT supporting Pt Fe-TiO222 parts of catalyst, dispersing agent DAD DISPERSANT 6,227 1.2
Part, 0.5 part of defoaming agent BYK-034,0.2 part of thickener WT201,1.8 parts of film forming agent PVA-217,105 parts of deionized water.
Preferably, the hydroxyapatite sphere the preparation method comprises the following steps: by calcium carbonate, dicalcium phosphate, ammonium dihydrogen phosphate
It is add to deionized water after mixed grinding, is warming up to back flow reaction 20-25h, after filtering washing, ethyl alcohol are washed, 60-80 DEG C of baking oven
It is dry.
Preferably, the MWCNT supporting Pt Fe-TiO2Method for preparing catalyst are as follows:
(1) MWCNT is added in nitric acid, is heated to 140-160 DEG C of stir process 10-15h, filtered, use deionized water
Soaking flushing repeatedly, 80 DEG C of drying；
(2) potassium chloropalladate is added in methanol, potassium chloropalladate solution for later use is made in stirring and dissolving, by above-mentioned MWCNT and
Nanoscale Iron is added in dehydrated alcohol, and 10-20min is stirred for after sonic oscillation 5-10min keeps its evenly dispersed, obtains MWCNT
And Nanoscale Iron suspension, it is added drop-wise to dropwise in potassium chloropalladate solution, is filtered after reacting at room temperature 5-10h, with anaerobic water washing
Use acetone washing again afterwards, naturally dry obtains MWCNT supported palladium iron；
(3) butyl titanate is added in dehydrated alcohol, stirs 20-40min, it is stand-by obtains solution of tetrabutyl titanate；
Acetic acid is added in the ethanol solution that mass concentration is 45-75%, is added drop-wise to four fourth of metatitanic acid after being sufficiently mixed, under stirring dropwise
In ester solution, it is stirred to react 10-30min, obtains TiO2Gel；
(4) MWCNT supported palladium iron is added to TiO2In gel, sonic oscillation dipping 40- after mixing is stirred at room temperature
It is put into after 60min in 100-110 DEG C of baking oven and is evaporated solution, taken out 550-600 DEG C of Muffle furnace roasting after grinding, can be obtained
MWCNT supporting Pt Fe-TiO2Catalyst.
Preferably, nitric acid mass concentration is 50-65% in step (1), and the mass ratio of MWCNT and nitric acid is 1:5.
Preferably, MWCNT and Nanoscale Iron mass ratio are 50-100:1 in step (2).
Preferably, the washing times of anaerobic water and acetone are 3 times in step (2).
Preferably, the volume ratio of butyl titanate and dehydrated alcohol is 1:1.5-1.7 in step (3).
Preferably, calcining time is 4-8h in step (4).
It is above-mentioned to be with the preparation method of efficient-decomposition formaldehyde, the indoor coating of toluene, by hydroxyapatite sphere,
MWCNT supporting Pt Fe-TiO2Catalyst is added in vinyl acetate-ethylene copolymerization emulsions, high speed dispersion 30-50min to uniform,
Dispersing agent DAD DISPERSANT6227, defoaming agent BYK-034, film forming agent PVA-217 are added sequentially to stir in deionized water
It is slowly added into above-mentioned emulsion after mixing uniformly, finally adjusts viscosity with thickener WT201.
(3) beneficial effect
Can have following with efficient-decomposition formaldehyde, the indoor coating of toluene and preparation method thereof the present invention provides a kind of
The utility model has the advantages that
It joined MWCNT supporting Pt Fe-TiO in indoor coating of the present invention2Catalyst, many photochemical catalysts are for first at present
The catalysis of aldehyde, toluene requires just degrade to it under ultraviolet light or high temperature, because of TiO itself2Surface electricity
It is larger that son as valence band transits to energy required for conduction band, only photon have enough energy valence-band electrons could be excited to
Conduction band generates hole and photoelectron, to play the effect of catalysis with reactant effect, according to E=hv it is found that ultraviolet photon
Energy is highest, thus common ultraviolet source is as light-catalysed induction light source, when using visible light as excitation light source,
TiO2Catalytic decomposition formaldehyde, toluene ability sharply decline until do not have, used in the present invention MWCNT as carrier for palladium iron,
TiO2Dipping adulterates, and active component is mainly with Pt in palladium iron0Form exists and is evenly distributed on TiO2It is interior, dopant activation Ti-O
Key makes TiO2The catalysis oxidation ability of catalyst gets a promotion, and can change TiO after the incorporation of foreign metal ion Pt, Fe2's
Level structure, metal ion Pt, Fe can receive TiO2Electronics on conduction band becomes the shallow gesture of photo-generate electron-hole pair
Capture trap.Meanwhile the band-gap energy of impurity metal oxide is smaller, and the photon in larger wave-length coverage can be absorbed, to extend
TiO2The range of absorption spectrum can also capture TiO to visible light2Be stimulated generated electrons and holes, to reduce
The recombination probability of electron hole, extend the service life of carrier, makes light induced electron and the hole of unit time unit volume
Quantity increases, and carrier is transmitted to the interface redox chance of generation also to be increased therewith, therefore for formaldehyde, toluene photocatalysis
Efficiency also just improves, and experimental verification indoor coating PARA FORMALDEHYDE PRILLS(91,95) of the present invention, toluene, which also have to be catalytically decomposed well in low temperature, to be taken off
It, can be to realize degradable, and the CO of formaldehyde, toluene in the short time except performance2Selectivity is 100%, the nontoxic pair of by-product
Effect；
In addition, it is existing addition photocatalyst catalyst formaldehyde can be absorbed, the coating of toluene have really absorb formaldehyde,
The effect of toluene, but the product of photocatalyst catalytic decomposition formaldehyde, toluene is CO2And H2O, water, which remains in paint film, will cause painting
Material peeling falls off, and hydroxyapatite sphere is loose porous in the present invention and surface is rich in hydroxyl, nitro and MWCNT supporting Pt Fe-
TiO2Catalyst excellent bonding performance is catalyzed the CO of generation2And H2O can be discharged through the porous structure on hydroxyapatite sphere,
Will not remain in influences paint film intensity in paint film.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention,
Technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is the present invention one
Divide embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
Every other embodiment obtained, shall fall within the protection scope of the present invention under the premise of creative work.
Embodiment 1:
It is a kind of to be prepared with efficient-decomposition formaldehyde, the indoor coating of toluene by the constituent of following parts by weight:
180 parts of vinyl acetate-ethylene copolymerization emulsions, 60 parts of hydroxyapatite sphere, MWCNT supporting Pt Fe-TiO2Catalyst 22 part, point
6,227 1.2 parts of powder DAD DISPERSANT, 0.5 part of defoaming agent BYK-034,0.2 part of thickener WT201, film forming agent
1.8 parts of PVA-217,105 parts of deionized water.
Hydroxyapatite sphere the preparation method comprises the following steps: by after calcium carbonate, dicalcium phosphate, ammonium dihydrogen phosphate mixed grinding plus
Enter into deionized water, is warming up to back flow reaction 22h, after filtering washing, ethyl alcohol are washed, 70 DEG C of dryings of baking oven.
MWCNT supporting Pt Fe-TiO2Catalyst the preparation method comprises the following steps: by MWCNT be added to mass concentration be 60% nitre
In acid (mass ratio of MWCNT and nitric acid is 1:5), 150 DEG C of stir process 12h are heated to, filters, is impregnated repeatedly with deionized water
It rinses, 80 DEG C of drying；Potassium chloropalladate is added in methanol, potassium chloropalladate solution for later use is made in stirring and dissolving, by above-mentioned MWCNT
It is added in dehydrated alcohol (MWCNT and Nanoscale Iron mass ratio be 80:1) with Nanoscale Iron, is stirred for 15min after sonic oscillation 8min
Keep its evenly dispersed, obtain MWCNT and Nanoscale Iron suspension, it is added drop-wise to dropwise in potassium chloropalladate solution, reacts at room temperature 6h
After filter, with being used acetone washing 3 times after anaerobic water washing 3 times again, naturally dry obtains MWCNT supported palladium iron；By four fourth of metatitanic acid
Ester is added in dehydrated alcohol (volume ratio of butyl titanate and dehydrated alcohol is 1:1.6), stirs 30min, obtains metatitanic acid four
Butyl acetate solution is stand-by；Acetic acid is added in the ethanol solution that mass concentration is 55%, after being sufficiently mixed, is added dropwise dropwise under stirring
Into solution of tetrabutyl titanate, it is stirred to react 25min, obtains TiO2Gel；MWCNT supported palladium iron is added to TiO2In gel,
It is put into baking oven and is evaporated solution for 100 DEG C after sonic oscillation dipping 50min after mixing is stirred at room temperature, take out Muffle after grinding
550 DEG C of roasting 6h of furnace.
It is above-mentioned can with efficient-decomposition formaldehyde, toluene indoor coating the preparation method comprises the following steps: by hydroxyapatite sphere,
MWCNT supporting Pt Fe-TiO2Catalyst is added in vinyl acetate-ethylene copolymerization emulsions, high speed dispersion 35min to uniform, general
Dispersing agent DAD DISPERSANT 6227, defoaming agent BYK-034, film forming agent PVA-217 are added sequentially to stir in deionized water
It is slowly added into above-mentioned emulsion after uniformly, finally adjusts viscosity with thickener WT201.
Embodiment 2:
It is a kind of to be prepared with efficient-decomposition formaldehyde, the indoor coating of toluene by the constituent of following parts by weight:
165 parts of vinyl acetate-ethylene copolymerization emulsions, 70 parts of hydroxyapatite sphere, MWCNT supporting Pt Fe-TiO2Catalyst 25 part, point
6,227 0.6 parts of powder DAD DISPERSANT, 0.2 part of defoaming agent BYK-034,0.5 part of thickener WT201, film forming agent
1 part of PVA-217,102 parts of deionized water.
Hydroxyapatite sphere the preparation method comprises the following steps: by after calcium carbonate, dicalcium phosphate, ammonium dihydrogen phosphate mixed grinding plus
Enter into deionized water, is warming up to back flow reaction 20h, after filtering washing, ethyl alcohol are washed, 75 DEG C of dryings of baking oven.
MWCNT supporting Pt Fe-TiO2Catalyst the preparation method comprises the following steps: by MWCNT be added to mass concentration be 50% nitre
In acid (mass ratio of MWCNT and nitric acid is 1:5), 160 DEG C of stir process 10h are heated to, filters, is impregnated repeatedly with deionized water
It rinses, 80 DEG C of drying；Potassium chloropalladate is added in methanol, potassium chloropalladate solution for later use is made in stirring and dissolving, by above-mentioned MWCNT
It is added in dehydrated alcohol (MWCNT and Nanoscale Iron mass ratio be 60:1) with Nanoscale Iron, is stirred for 20min after sonic oscillation 5min
Keep its evenly dispersed, obtain MWCNT and Nanoscale Iron suspension, it is added drop-wise to dropwise in potassium chloropalladate solution, reacts at room temperature 5h
After filter, with being used acetone washing 3 times after anaerobic water washing 3 times again, naturally dry obtains MWCNT supported palladium iron；By four fourth of metatitanic acid
Ester is added in dehydrated alcohol (volume ratio of butyl titanate and dehydrated alcohol is 1:1.5), stirs 20min, obtains metatitanic acid four
Butyl acetate solution is stand-by；Acetic acid is added in the ethanol solution that mass concentration is 50%, after being sufficiently mixed, is added dropwise dropwise under stirring
Into solution of tetrabutyl titanate, it is stirred to react 15min, obtains TiO2Gel；MWCNT supported palladium iron is added to TiO2In gel,
It is put into baking oven and is evaporated solution for 100 DEG C after sonic oscillation dipping 40min after mixing is stirred at room temperature, take out Muffle after grinding
580 DEG C of roasting 8h of furnace.
It is above-mentioned can with efficient-decomposition formaldehyde, toluene indoor coating the preparation method comprises the following steps: by hydroxyapatite sphere,
MWCNT supporting Pt Fe-TiO2Catalyst is added in vinyl acetate-ethylene copolymerization emulsions, high speed dispersion 50min to uniform, general
Dispersing agent DAD DISPERSANT 6227, defoaming agent BYK-034, film forming agent PVA-217 are added sequentially to stir in deionized water
It is slowly added into above-mentioned emulsion after uniformly, finally adjusts viscosity with thickener WT201.
Embodiment 3:
It is a kind of to be prepared with efficient-decomposition formaldehyde, the indoor coating of toluene by the constituent of following parts by weight:
160 parts of vinyl acetate-ethylene copolymerization emulsions, 80 parts of hydroxyapatite sphere, MWCNT supporting Pt Fe-TiO2Catalyst 20 part, point
6,227 1.5 parts of powder DAD DISPERSANT, 0.2 part of defoaming agent BYK-034,0.5 part of thickener WT201, film forming agent
1 part of PVA-217,120 parts of deionized water.
Hydroxyapatite sphere the preparation method comprises the following steps: by after calcium carbonate, dicalcium phosphate, ammonium dihydrogen phosphate mixed grinding plus
Enter into deionized water, is warming up to back flow reaction 20h, after filtering washing, ethyl alcohol are washed, 80 DEG C of dryings of baking oven.
MWCNT supporting Pt Fe-TiO2Catalyst the preparation method comprises the following steps: by MWCNT be added to mass concentration be 50% nitre
In acid (mass ratio of MWCNT and nitric acid is 1:5), 160 DEG C of stir process 10h are heated to, filters, is impregnated repeatedly with deionized water
It rinses, 80 DEG C of drying；Potassium chloropalladate is added in methanol, potassium chloropalladate solution for later use is made in stirring and dissolving, by above-mentioned MWCNT
It is added in dehydrated alcohol (MWCNT and Nanoscale Iron mass ratio be 50:1) with Nanoscale Iron, is stirred for 20min after sonic oscillation 5min
Keep its evenly dispersed, obtain MWCNT and Nanoscale Iron suspension, it is added drop-wise to dropwise in potassium chloropalladate solution, reacts at room temperature 8h
After filter, with being used acetone washing 3 times after anaerobic water washing 3 times again, naturally dry obtains MWCNT supported palladium iron；By four fourth of metatitanic acid
Ester is added in dehydrated alcohol (volume ratio of butyl titanate and dehydrated alcohol is 1:1.7), stirs 40min, obtains metatitanic acid four
Butyl acetate solution is stand-by；Acetic acid is added in the ethanol solution that mass concentration is 75%, after being sufficiently mixed, is added dropwise dropwise under stirring
Into solution of tetrabutyl titanate, it is stirred to react 20min, obtains TiO2Gel；MWCNT supported palladium iron is added to TiO2In gel,
It is put into baking oven and is evaporated solution for 110 DEG C after sonic oscillation dipping 60min after mixing is stirred at room temperature, take out Muffle after grinding
550 DEG C of roasting 8h of furnace.
It is above-mentioned can with efficient-decomposition formaldehyde, toluene indoor coating the preparation method comprises the following steps: by hydroxyapatite sphere,
MWCNT supporting Pt Fe-TiO2Catalyst is added in vinyl acetate-ethylene copolymerization emulsions, high speed dispersion 30min to uniform, general
Dispersing agent DAD DISPERSANT 6227, defoaming agent BYK-034, film forming agent PVA-217 are added sequentially to stir in deionized water
It is slowly added into above-mentioned emulsion after uniformly, finally adjusts viscosity with thickener WT201.
Embodiment 4:
It is a kind of to be prepared with efficient-decomposition formaldehyde, the indoor coating of toluene by the constituent of following parts by weight:
200 parts of vinyl acetate-ethylene copolymerization emulsions, 50 parts of hydroxyapatite sphere, MWCNT supporting Pt Fe-TiO2Catalyst 40 part, point
6,227 0.5 parts of powder DAD DISPERSANT, 0.6 part of defoaming agent BYK-034,0.1 part of thickener WT201, film forming agent
3 parts of PVA-217,100 parts of deionized water.
Hydroxyapatite sphere the preparation method comprises the following steps: by after calcium carbonate, dicalcium phosphate, ammonium dihydrogen phosphate mixed grinding plus
Enter into deionized water, is warming up to back flow reaction 25h, after filtering washing, ethyl alcohol are washed, 60 DEG C of dryings of baking oven.
MWCNT supporting Pt Fe-TiO2Catalyst the preparation method comprises the following steps: by MWCNT be added to mass concentration be 65% nitre
In acid (mass ratio of MWCNT and nitric acid is 1:5), 160 DEG C of stir process 12h are heated to, filters, is impregnated repeatedly with deionized water
It rinses, 80 DEG C of drying；Potassium chloropalladate is added in methanol, potassium chloropalladate solution for later use is made in stirring and dissolving, by above-mentioned MWCNT
It is added in dehydrated alcohol (MWCNT and Nanoscale Iron mass ratio be 60:1) with Nanoscale Iron, is stirred for after sonic oscillation 10min
15min keeps its evenly dispersed, obtains MWCNT and Nanoscale Iron suspension, it is added drop-wise to dropwise in potassium chloropalladate solution, room temperature is anti-
It is filtered after answering 6h, with being used acetone washing 3 times after anaerobic water washing 3 times again, naturally dry obtains MWCNT supported palladium iron；By metatitanic acid
Four butyl esters are added in dehydrated alcohol (volume ratio of butyl titanate and dehydrated alcohol is 1:1.5), stir 20min, obtain titanium
Sour four butyl acetate solutions are stand-by；Acetic acid is added in the ethanol solution that mass concentration is 60%, after being sufficiently mixed, under stirring dropwise
It is added drop-wise in solution of tetrabutyl titanate, is stirred to react 30min, obtain TiO2Gel；MWCNT supported palladium iron is added to TiO2It is solidifying
In glue, it is put into baking oven and is evaporated solution for 100 DEG C after sonic oscillation dipping 40min after mixing is stirred at room temperature, take out grinding
550 DEG C of roasting 4h of Muffle furnace afterwards.
It is above-mentioned can with efficient-decomposition formaldehyde, toluene indoor coating the preparation method comprises the following steps: by hydroxyapatite sphere,
MWCNT supporting Pt Fe-TiO2Catalyst is added in vinyl acetate-ethylene copolymerization emulsions, high speed dispersion 50min to uniform, general
Dispersing agent DAD DISPERSANT 6227, defoaming agent BYK-034, film forming agent PVA-217 are added sequentially to stir in deionized water
It is slowly added into above-mentioned emulsion after uniformly, finally adjusts viscosity with thickener WT201.
Embodiment 5:
It is a kind of to be prepared with efficient-decomposition formaldehyde, the indoor coating of toluene by the constituent of following parts by weight:
160 parts of vinyl acetate-ethylene copolymerization emulsions, 50 parts of hydroxyapatite sphere, MWCNT supporting Pt Fe-TiO2Catalyst 20 part, point
6,227 0.5 parts of powder DAD DISPERSANT, 0.2 part of defoaming agent BYK-034,0.1 part of thickener WT201, film forming agent
1 part of PVA-217,100 parts of deionized water.
Hydroxyapatite sphere the preparation method comprises the following steps: by after calcium carbonate, dicalcium phosphate, ammonium dihydrogen phosphate mixed grinding plus
Enter into deionized water, is warming up to back flow reaction 20h, after filtering washing, ethyl alcohol are washed, 60 DEG C of dryings of baking oven.
MWCNT supporting Pt Fe-TiO2Catalyst the preparation method comprises the following steps: by MWCNT be added to mass concentration be 50% nitre
In acid (mass ratio of MWCNT and nitric acid is 1:5), 160 DEG C of stir process 10h are heated to, filters, is impregnated repeatedly with deionized water
It rinses, 80 DEG C of drying；Potassium chloropalladate is added in methanol, potassium chloropalladate solution for later use is made in stirring and dissolving, by above-mentioned MWCNT
It is added in dehydrated alcohol (MWCNT and Nanoscale Iron mass ratio be 100:1) with Nanoscale Iron, is stirred for after sonic oscillation 5min
20min keeps its evenly dispersed, obtains MWCNT and Nanoscale Iron suspension, it is added drop-wise to dropwise in potassium chloropalladate solution, room temperature is anti-
It is filtered after answering 5h, with being used acetone washing 3 times after anaerobic water washing 3 times again, naturally dry obtains MWCNT supported palladium iron；By metatitanic acid
Four butyl esters are added in dehydrated alcohol (volume ratio of butyl titanate and dehydrated alcohol is 1:1.7), stir 20min, obtain titanium
Sour four butyl acetate solutions are stand-by；Acetic acid is added in the ethanol solution that mass concentration is 75%, after being sufficiently mixed, under stirring dropwise
It is added drop-wise in solution of tetrabutyl titanate, is stirred to react 10min, obtain TiO2Gel；MWCNT supported palladium iron is added to TiO2It is solidifying
In glue, it is put into baking oven and is evaporated solution for 100 DEG C after sonic oscillation dipping 60min after mixing is stirred at room temperature, take out grinding
600 DEG C of roasting 4h of Muffle furnace afterwards.
It is above-mentioned can with efficient-decomposition formaldehyde, toluene indoor coating the preparation method comprises the following steps: by hydroxyapatite sphere,
MWCNT supporting Pt Fe-TiO2Catalyst is added in vinyl acetate-ethylene copolymerization emulsions, high speed dispersion 30min to uniform, general
Dispersing agent DAD DISPERSANT 6227, defoaming agent BYK-034, film forming agent PVA-217 are added sequentially to stir in deionized water
It is slowly added into above-mentioned emulsion after uniformly, finally adjusts viscosity with thickener WT201.
Embodiment 6:
It is a kind of to be prepared with efficient-decomposition formaldehyde, the indoor coating of toluene by the constituent of following parts by weight:
200 parts of vinyl acetate-ethylene copolymerization emulsions, 80 parts of hydroxyapatite sphere, MWCNT supporting Pt Fe-TiO2Catalyst 40 part, point
6,227 1.5 parts of powder DAD DISPERSANT, 0.6 part of defoaming agent BYK-034,0.5 part of thickener WT201, film forming agent
3 parts of PVA-217,120 parts of deionized water.
Hydroxyapatite sphere the preparation method comprises the following steps: by after calcium carbonate, dicalcium phosphate, ammonium dihydrogen phosphate mixed grinding plus
Enter into deionized water, is warming up to back flow reaction 25h, after filtering washing, ethyl alcohol are washed, 80 DEG C of dryings of baking oven.
MWCNT supporting Pt Fe-TiO2Catalyst the preparation method comprises the following steps: by MWCNT be added to mass concentration be 50% nitre
In acid (mass ratio of MWCNT and nitric acid is 1:5), 140 DEG C of stir process 10h are heated to, filters, is impregnated repeatedly with deionized water
It rinses, 80 DEG C of drying；Potassium chloropalladate is added in methanol, potassium chloropalladate solution for later use is made in stirring and dissolving, by above-mentioned MWCNT
It is added in dehydrated alcohol (MWCNT and Nanoscale Iron mass ratio be 50:1) with Nanoscale Iron, is stirred for 10min after sonic oscillation 5min
Keep its evenly dispersed, obtain MWCNT and Nanoscale Iron suspension, it is added drop-wise to dropwise in potassium chloropalladate solution, reacts at room temperature 5h
After filter, with being used acetone washing 3 times after anaerobic water washing 3 times again, naturally dry obtains MWCNT supported palladium iron；By four fourth of metatitanic acid
Ester is added in dehydrated alcohol (volume ratio of butyl titanate and dehydrated alcohol is 1:1.5), stirs 20min, obtains metatitanic acid four
Butyl acetate solution is stand-by；Acetic acid is added in the ethanol solution that mass concentration is 45%, after being sufficiently mixed, is added dropwise dropwise under stirring
Into solution of tetrabutyl titanate, it is stirred to react 10min, obtains TiO2Gel；MWCNT supported palladium iron is added to TiO2In gel,
It is put into baking oven and is evaporated solution for 100 DEG C after sonic oscillation dipping 40min after mixing is stirred at room temperature, take out Muffle after grinding
550 DEG C of roasting 4h of furnace.
It is above-mentioned can with efficient-decomposition formaldehyde, toluene indoor coating the preparation method comprises the following steps: by hydroxyapatite sphere,
MWCNT supporting Pt Fe-TiO2Catalyst is added in vinyl acetate-ethylene copolymerization emulsions, high speed dispersion 50min to uniform, general
Dispersing agent DAD DISPERSANT 6227, defoaming agent BYK-034, film forming agent PVA-217 are added sequentially to stir in deionized water
It is slowly added into above-mentioned emulsion after uniformly, finally adjusts viscosity with thickener WT201.
Embodiment 7:
It is a kind of to be prepared with efficient-decomposition formaldehyde, the indoor coating of toluene by the constituent of following parts by weight:
190 parts of vinyl acetate-ethylene copolymerization emulsions, 50 parts of hydroxyapatite sphere, MWCNT supporting Pt Fe-TiO2Catalyst 22 part, point
6,227 0.8 parts of powder DAD DISPERSANT, 0.3 part of defoaming agent BYK-034,0.2 part of thickener WT201, film forming agent
1 part of PVA-217,110 parts of deionized water.
Hydroxyapatite sphere the preparation method comprises the following steps: by after calcium carbonate, dicalcium phosphate, ammonium dihydrogen phosphate mixed grinding plus
Enter into deionized water, is warming up to back flow reaction 23h, after filtering washing, ethyl alcohol are washed, 66 DEG C of dryings of baking oven.
MWCNT supporting Pt Fe-TiO2Catalyst the preparation method comprises the following steps: by MWCNT be added to mass concentration be 65% nitre
In acid (mass ratio of MWCNT and nitric acid is 1:5), 160 DEG C of stir process 15h are heated to, filters, is impregnated repeatedly with deionized water
It rinses, 80 DEG C of drying；Potassium chloropalladate is added in methanol, potassium chloropalladate solution for later use is made in stirring and dissolving, by above-mentioned MWCNT
It is added in dehydrated alcohol (MWCNT and Nanoscale Iron mass ratio be 100:1) with Nanoscale Iron, is stirred for after sonic oscillation 10min
20min keeps its evenly dispersed, obtains MWCNT and Nanoscale Iron suspension, it is added drop-wise to dropwise in potassium chloropalladate solution, room temperature is anti-
It is filtered after answering 10h, with being used acetone washing 3 times after anaerobic water washing 3 times again, naturally dry obtains MWCNT supported palladium iron；By metatitanic acid
Four butyl esters are added in dehydrated alcohol (volume ratio of butyl titanate and dehydrated alcohol is 1:1.7), stir 40min, obtain titanium
Sour four butyl acetate solutions are stand-by；Acetic acid is added in the ethanol solution that mass concentration is 75%, after being sufficiently mixed, under stirring dropwise
It is added drop-wise in solution of tetrabutyl titanate, is stirred to react 30min, obtain TiO2Gel；MWCNT supported palladium iron is added to TiO2It is solidifying
In glue, it is put into baking oven and is evaporated solution for 110 DEG C after sonic oscillation dipping 60min after mixing is stirred at room temperature, take out grinding
600 DEG C of roasting 8h of Muffle furnace afterwards.
It is above-mentioned can with efficient-decomposition formaldehyde, toluene indoor coating the preparation method comprises the following steps: by hydroxyapatite sphere,
MWCNT supporting Pt Fe-TiO2Catalyst is added in vinyl acetate-ethylene copolymerization emulsions, high speed dispersion 38min to uniform, general
Dispersing agent DAD DISPERSANT 6227, defoaming agent BYK-034, film forming agent PVA-217 are added sequentially to stir in deionized water
It is slowly added into above-mentioned emulsion after uniformly, finally adjusts viscosity with thickener WT201.
Embodiment 8:
It is a kind of to be prepared with efficient-decomposition formaldehyde, the indoor coating of toluene by the constituent of following parts by weight:
160 parts of vinyl acetate-ethylene copolymerization emulsions, 50 parts of hydroxyapatite sphere, MWCNT supporting Pt Fe-TiO2Catalyst 40 part, point
6,227 1.5 parts of powder DAD DISPERSANT, 0.5 part of defoaming agent BYK-034,0.4 part of thickener WT201, film forming agent
1 part of PVA-217,105 parts of deionized water.
Hydroxyapatite sphere the preparation method comprises the following steps: by after calcium carbonate, dicalcium phosphate, ammonium dihydrogen phosphate mixed grinding plus
Enter into deionized water, is warming up to back flow reaction 20h, after filtering washing, ethyl alcohol are washed, 60 DEG C of dryings of baking oven.
MWCNT supporting Pt Fe-TiO2Catalyst the preparation method comprises the following steps: by MWCNT be added to mass concentration be 65% nitre
In acid (mass ratio of MWCNT and nitric acid is 1:5), 140 DEG C of stir process 10-15h are heated to, are filtered, repeatedly with deionized water
Soaking flushing, 80 DEG C of drying；Potassium chloropalladate is added in methanol, potassium chloropalladate solution for later use is made in stirring and dissolving, will be above-mentioned
MWCNT and Nanoscale Iron are added in dehydrated alcohol (MWCNT and Nanoscale Iron mass ratio be 60:1), are stirred for after sonic oscillation 5min
20min keeps its evenly dispersed, obtains MWCNT and Nanoscale Iron suspension, it is added drop-wise to dropwise in potassium chloropalladate solution, room temperature is anti-
It is filtered after answering 5h, with being used acetone washing 3 times after anaerobic water washing 3 times again, naturally dry obtains MWCNT supported palladium iron；By metatitanic acid
Four butyl esters are added in dehydrated alcohol (volume ratio of butyl titanate and dehydrated alcohol is 1:1.5), stir 40min, obtain titanium
Sour four butyl acetate solutions are stand-by；Acetic acid is added in the ethanol solution that mass concentration is 55%, after being sufficiently mixed, under stirring dropwise
It is added drop-wise in solution of tetrabutyl titanate, is stirred to react 10min, obtain TiO2Gel；MWCNT supported palladium iron is added to TiO2It is solidifying
In glue, it is put into baking oven and is evaporated solution for 100 DEG C after sonic oscillation dipping 40min after mixing is stirred at room temperature, take out grinding
600 DEG C of roasting 8h of Muffle furnace afterwards.
It is above-mentioned can with efficient-decomposition formaldehyde, toluene indoor coating the preparation method comprises the following steps: by hydroxyapatite sphere,
MWCNT supporting Pt Fe-TiO2Catalyst is added in vinyl acetate-ethylene copolymerization emulsions, high speed dispersion 40min to uniform, general
Dispersing agent DAD DISPERSANT 6227, defoaming agent BYK-034, film forming agent PVA-217 are added sequentially to stir in deionized water
It is slowly added into above-mentioned emulsion after uniformly, finally adjusts viscosity with thickener WT201.
Test 1:
MWCNT supporting Pt Fe-TiO prepared by the embodiment of the present invention 12The catalytic decomposition removal performance of catalyst PARA FORMALDEHYDE PRILLS(91,95)
Test:
Performance is catalytically decomposed to catalyst PARA FORMALDEHYDE PRILLS(91,95) by the fixed window reactor of quartz ampoule that an internal diameter is 7mm to survey
Examination, reaction gas group become N all the way2Formaldehyde, oxygen purity 10%, another way are generated by bubbling device as carrier gas
N2As diluent gas, each road gas flow is adjusted by mass flowmenter and makes concentration of formaldehyde about 60mg/m3, total flow is
100ml/min.The amount of formaldehyde is measured on ultraviolet-visible spectrophotometer after being absorbed using phenol reagent in reaction end gas, CO2
Measurement carried out using gas-chromatography, using TDX01 packed column, column is followed by a methane reborner, by the CO in tail gas2Conversion
Indirect determination is carried out for methane, formaldehyde conversion is as shown in table 1 below with temperature, the result of variations of time.
Table 1:
As upper table 1 it is found that MWCNT supporting Pt Fe-TiO prepared by the embodiment of the present invention 12Catalyst PARA FORMALDEHYDE PRILLS(91,95) is in low temperature
When also have well catalytic decomposition removal performance, significantly promoted as the rising catalytic effect of catalytic temperature has, 320min is
The degradable of formaldehyde can be achieved, and CO is catalytically decomposed in formaldehyde2Selectivity is 100%.
Test 2:
MWCNT supporting Pt Fe-TiO prepared by the embodiment of the present invention 12Catalytic decomposition removal performance of the catalyst to toluene
Test:
It is 98mm by an internal diameter, the fixed window reactor of the quartz ampoule of a length of 520mm decomposes catalyst to toluene catalytically
Performance is tested, and is injected in reactor toluene with syringe, is controlled under temperature of reactor fluorescent lamp, take at regular intervals
Sample analysis measures toluene concentration with the fid detector of gas chromatograph, and observation calculates degradation of toluene situation, toluene removal rate with
Temperature, the result of variations of time it is as shown in table 2 below.
Table 2:
As upper table 1 it is found that MWCNT supporting Pt Fe-TiO prepared by the embodiment of the present invention 12Catalyst is to toluene in low temperature
When also have well catalytic decomposition removal performance, significantly promoted as the rising catalytic effect of catalytic temperature has, 400min is
The degradable of toluene can be achieved, and toluene catalytically decomposes CO2Selectivity is 100%.
Test 3:
The scheme production provided according to JC/T 1074-2008 " function of purifying indoor air-coating material performance " standard
Test chamber four, each test chamber inner wall size is 1250mm × 800mm × 1000mm, volume 1m3, respectively Laboratory Module 1,
Laboratory Module 2, comparison cabin 1, comparison cabin 2, the settings such as fluorescent lamp, specimen holder, injection orifice, sampling hole, fan comply with standard.Take this
Indoor coating prepared by inventive embodiments 1 is coated uniformly on two block sizes,
After test plate is dry, it is put into the environment of (20 ± 2) DEG C, relative humidity (50 ± 10) % and conserves 7d, as breadboard.It will
The breadboard prepared is respectively put into Laboratory Module 1, in Laboratory Module 2, and two pieces of blank plates are respectively placed in comparison cabin 1, comparison cabin 2
Interior, closed test takes the pure formalin of analysis with micro syringe respectively, by injection orifice drop in Laboratory Module 1, comparison cabin 1
In interior glass dish, closed injection orifice.The fluorescent lamp in two cabins is opened, Laboratory Module 1 is acquired after closed 1h, compares gas in cabin 1
Body tests its initial concentration of formaldehyde, hereafter acquires gas every 10h and to test its concentration of formaldehyde primary, first open before acquisition every time
Fan 30min, when acquisition, close fan.Concentration of formaldehyde test is according to GB/T 16129-1995 " residential area Formaldehyde in Atmosphere health
Test stone method-spectrophotometry " AHMT spectrophotometry in standard, toluene test method is similar therewith, with micro note
Emitter takes analysis pure toluene solution, through injection orifice drop in the glass dish in Laboratory Module 2, comparison cabin 2, closed injection orifice.
The fluorescent lamp in two cabins is opened, Laboratory Module 2 is acquired after closed 1h, compares its toluene initial concentration of gas test in cabin 2, hereafter often
Gas is acquired every 10h and to test its toluene concentration primary, first opens fan 30min before acquisition every time, and when acquisition closes fan, first
Benzene concentration test is according to GB 11737-1989 " benzene, toluene and dimethylbenzene health test method-gas phase in the atmosphere of residential area
Chromatography " standard.
The result that concentration of formaldehyde in Laboratory Module 1, comparison cabin 1 changes over time is as shown in table 1 below:
Table 1:
The result that toluene concentration in Laboratory Module 2, comparison cabin 2 changes over time is as shown in table 2 below:
Table 2:
As table 1, indoor coating prepared by the present invention known to table 2 can be with efficient-decomposition formaldehyde, toluene, and decomposition efficiency
Height, discomposing effect are good.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. one kind can be with efficient-decomposition formaldehyde, the indoor coating of toluene, which is characterized in that by the constituent of following parts by weight
It is prepared: 160-200 parts of vinyl acetate-ethylene copolymerization emulsions, 50-80 parts of hydroxyapatite sphere, MWCNT supporting Pt Fe-
TiO220-40 parts of catalyst, 0.5-1.5 parts of dispersing agent DAD DISPERSANT 6227, defoaming agent BYK-034 0.2-0.6
Part, 0.1-0.5 parts of thickener WT201,1-3 parts of film forming agent PVA-217,100-120 parts of deionized water.
2. as described in claim 1 can be with efficient-decomposition formaldehyde, the indoor coating of toluene, which is characterized in that by following weight
The constituent of number is prepared: 180 parts of vinyl acetate-ethylene copolymerization emulsions, 60 parts of hydroxyapatite sphere, MWCNT are negative
Carry PtFe-TiO222 parts of catalyst, 0.5 part of defoaming agent BYK-034, increases 6,227 1.2 parts of dispersing agent DAD DISPERSANT
Thick dose of 0.2 part of WT201,1.8 parts of film forming agent PVA-217,105 parts of deionized water.
3. as described in claim 1 can be with efficient-decomposition formaldehyde, the indoor coating of toluene, which is characterized in that the hydroxyl phosphorus
Lime stone sphere the preparation method comprises the following steps: by deionized water is added to after calcium carbonate, dicalcium phosphate, ammonium dihydrogen phosphate mixed grinding
In, it is warming up to back flow reaction 20-25h, after filtering washing, ethyl alcohol are washed, 60-80 DEG C of drying of baking oven.
4. as described in claim 1 can be with efficient-decomposition formaldehyde, the indoor coating of toluene, which is characterized in that the MWCNT is negative
Carry PtFe-TiO2Method for preparing catalyst are as follows:
(1) MWCNT is added in nitric acid, is heated to 140-160 DEG C of stir process 10-15h, filtered, repeatedly with deionized water
Soaking flushing, 80 DEG C of drying；
(2) potassium chloropalladate is added in methanol, potassium chloropalladate solution for later use is made in stirring and dissolving, by above-mentioned MWCNT and nanometer
Iron is added in dehydrated alcohol, and 10-20min is stirred for after sonic oscillation 5-10min keeps its evenly dispersed, is obtained MWCNT and is received
Rice iron suspension, it is added drop-wise to dropwise in potassium chloropalladate solution, react at room temperature 5-10h after filter, with after anaerobic water washing again
With acetone washing, naturally dry obtains MWCNT supported palladium iron；
(3) butyl titanate is added in dehydrated alcohol, stirs 20-40min, it is stand-by obtains solution of tetrabutyl titanate；By second
Acid is added in the ethanol solution that mass concentration is 45-75%, and it is molten to be added drop-wise to butyl titanate after being sufficiently mixed, under stirring dropwise
In liquid, it is stirred to react 10-30min, obtains TiO2Gel；
(4) MWCNT supported palladium iron is added to TiO2In gel, sonic oscillation dipping 40-60min after mixing is stirred at room temperature
It is put into 100-110 DEG C of baking oven afterwards and is evaporated solution, taken out 550-600 DEG C of Muffle furnace roasting after grinding, MWCNT can be obtained
Supporting Pt Fe-TiO2Catalyst.
5. as claimed in claim 4 can be with efficient-decomposition formaldehyde, the indoor coating of toluene, which is characterized in that nitre in step (1)
Sour mass concentration is 50-65%, and the mass ratio of MWCNT and nitric acid is 1:5.
6. as claimed in claim 4 can be with efficient-decomposition formaldehyde, the indoor coating of toluene, which is characterized in that in step (2)
MWCNT and Nanoscale Iron mass ratio are 50-100:1.
7. as claimed in claim 4 can be with efficient-decomposition formaldehyde, the indoor coating of toluene, which is characterized in that nothing in step (2)
The washing times of oxygen water and acetone are 3 times.
8. as claimed in claim 4 can be with efficient-decomposition formaldehyde, the indoor coating of toluene, which is characterized in that titanium in step (3)
The volume ratio of sour four butyl esters and dehydrated alcohol is 1:1.5-1.7.
9. as claimed in claim 4 can be with efficient-decomposition formaldehyde, the indoor coating of toluene, which is characterized in that roasting in step (4)
The burning time is 4-8h.
10. as claim 1-9 it is described in any item can with the preparation method of efficient-decomposition formaldehyde, the indoor coating of toluene,
It is characterized in that, by hydroxyapatite sphere, MWCNT supporting Pt Fe-TiO2Catalyst is added to vinyl acetate-ethylene copolymerization emulsions
In, high speed dispersion 30-50min is to uniform, by dispersing agent DAD DISPERSANT 6227, defoaming agent BYK-034, film forming agent
PVA-217 is added sequentially to be slowly added into above-mentioned emulsion after mixing evenly in deionized water, finally uses thickener WT201 tune
Save viscosity.
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| CN104549368A (en) * | 2015-01-28 | 2015-04-29 | 山东大学 | Preparation method of load bimetal type Cu-Pt/TiO2-NBs catalyst and application |
| CN106519853A (en) * | 2016-11-29 | 2017-03-22 | 青岛海之星生物科技有限公司 | Formaldehyde removing latex paint based on titanium dioxide composite particles and preparation method of latex paint |
| CN108201789A (en) * | 2017-12-19 | 2018-06-26 | 如皋六维环境科技有限公司 | A kind of preparation method of purifying formaldehyde material and application |
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| CN104549368A (en) * | 2015-01-28 | 2015-04-29 | 山东大学 | Preparation method of load bimetal type Cu-Pt/TiO2-NBs catalyst and application |
| CN106519853A (en) * | 2016-11-29 | 2017-03-22 | 青岛海之星生物科技有限公司 | Formaldehyde removing latex paint based on titanium dioxide composite particles and preparation method of latex paint |
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