CN104530801B - A kind of luminous light catalyzed coating and preparation method thereof - Google Patents
A kind of luminous light catalyzed coating and preparation method thereof Download PDFInfo
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- CN104530801B CN104530801B CN201410781164.2A CN201410781164A CN104530801B CN 104530801 B CN104530801 B CN 104530801B CN 201410781164 A CN201410781164 A CN 201410781164A CN 104530801 B CN104530801 B CN 104530801B
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- 239000011248 coating agent Substances 0.000 title claims abstract description 42
- 238000000576 coating method Methods 0.000 title claims abstract description 42
- 238000002360 preparation method Methods 0.000 title claims abstract description 33
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 168
- 230000001699 photocatalysis Effects 0.000 claims abstract description 61
- 239000002071 nanotube Substances 0.000 claims abstract description 59
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 59
- 238000007146 photocatalysis Methods 0.000 claims abstract description 53
- 239000000843 powder Substances 0.000 claims abstract description 36
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 26
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 17
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 17
- 239000002270 dispersing agent Substances 0.000 claims abstract description 17
- 239000000049 pigment Substances 0.000 claims abstract description 17
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 17
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 17
- 239000002904 solvent Substances 0.000 claims abstract description 17
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 15
- 230000002688 persistence Effects 0.000 claims abstract description 15
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 13
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 51
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 28
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 28
- 238000005406 washing Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 19
- 238000001914 filtration Methods 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 238000013019 agitation Methods 0.000 claims description 7
- 239000010408 film Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 239000004570 mortar (masonry) Substances 0.000 claims description 7
- 230000007935 neutral effect Effects 0.000 claims description 7
- 239000003973 paint Substances 0.000 claims description 7
- 239000003755 preservative agent Substances 0.000 claims description 7
- 230000002335 preservative effect Effects 0.000 claims description 7
- 239000010409 thin film Substances 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 3
- 230000004044 response Effects 0.000 claims description 3
- 239000002086 nanomaterial Substances 0.000 abstract description 5
- 239000000779 smoke Substances 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 238000001308 synthesis method Methods 0.000 abstract description 2
- 239000011230 binding agent Substances 0.000 abstract 1
- 239000003344 environmental pollutant Substances 0.000 abstract 1
- 231100000719 pollutant Toxicity 0.000 abstract 1
- FYHXNYLLNIKZMR-UHFFFAOYSA-N calcium;carbonic acid Chemical compound [Ca].OC(O)=O FYHXNYLLNIKZMR-UHFFFAOYSA-N 0.000 description 4
- 241000209094 Oryza Species 0.000 description 3
- 235000007164 Oryza sativa Nutrition 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 235000009566 rice Nutrition 0.000 description 3
- 238000004020 luminiscence type Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 206010070834 Sensitisation Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- -1 metal ion mixing Chemical compound 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000008313 sensitization Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/22—Luminous paints
-
- 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
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
-
- 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
-
- 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
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
Abstract
A kind of luminous light catalyzed coating and preparation method thereof, luminous light catalyzed coating is a kind of new coating removing oil smoke, eliminating the unusual smell, and it is included in having disperseed the inorganic binder of essentially nanoscale photocatalysis titanium dioxide nanotube and a certain amount of durable-acting rare-earth luminescent powder.It includes following component: photocatalysis titanium dioxide nanotube, 25 65%；Long-acting Rare-earth Long Persistence Luminescent Phosphor powder, 5 10%；Pigment, 15 25%；From solvent 3 5%, dispersant 2 15%, antifoaming agent 2 5%, antibacterial 1 3% and calcium carbonate 3 5%.Photocatalysis titanium dioxide nanotube is prepared by new type water thermal synthesis method, and between caliber about 5 15nm, and pipe range can realize resisting kitchen and the pollutants in air of toilet, such as oil smoke, NO at about 100nm, this kind of coatingXCompound etc. harmful gas.The luminous light catalyzed coating of the present invention is possible not only to work by day, it is also possible to react at night, enhances nano material and purifies the efficiency of air.
Description
Technical field
The present invention relates to a kind of prepare nano material and ooze miscellaneous method in coating, particularly related to a kind of luminous titanium dioxide
The preparation method of nanotube coating.
Background of invention
Coating of the prior art much has mild toxicity, is not easily dissolved after hardening.The specific surface area of nano material is big, with
And special pore volume and region, surface, therefore its physicochemical properties are special, have tempting in the field such as photocatalysis, lithium battery
Application prospect.Titania nanotube becomes wide in range for the absorption region of ripple than micron-sized titanium dioxide, is conducive to carrying out
Photocatalysis.Growing due to textile industry, the substantial increase of water consumption, Some Enterprises discharge in violation of regulations contains a large amount of organic dirt
The contaminant water of dye thing, polluted source deteriorates air, thick air niff, and environment so can cause harm greatly,
Therefore need to look for and a kind of can be adsorbed as the material of dusty gas with efficient degradation and become the common recognition of various circles of society.The cheap nothing of titanium dioxide
Poison and stable chemical nature, have excellent photosensitive, wet sensitive, air-sensitive and photoelectric properties, in functionality ceramic and photocatalysis
Field has a wide range of applications.
Owing to titanium dioxide energy gap is 3.12eV, can only absorbing wavelength less than the UV light region of 387nm, this makes the sun
The utilization rate of light energy only has about 4%, causes phototranstormation efficiency low, and industrial applications is the most restricted.In order to expand TiO2's
Photoresponse scope, Chinese scholars has carried out substantial amounts of study on the modification to TiO2, such as metal ion mixing, noble metal loading,
Semiconductors coupling, dye sensitization and nonmetallic ion-doped etc., although the photoresponse region that these methods can make TiO2 produces red
Move, reduce TiO2 energy gap, but the reduction of energy gap will reduce the oxidation-reduction potential in light induced electron and hole, leads
Cause photocatalysis performance reduces.
Nano material can increase the scope of absorbing wavelength to a certain extent.Long-acting Rare-earth Long Persistence Luminescent Phosphor powder has short time absorbing light,
It is stored in lattice after again the luminous energy of absorption being converted, energy can be converted into the most again the ability of luminous energy and luminescence.
Summary of the invention
For solving above-mentioned technical problem, it is an object of the invention to provide a kind of luminous light catalyzed coating removing oil smoke, eliminating the unusual smell,
Its low-carbon (LC) is nontoxic, absorbing wavelength scope is wide in visible-range and can purify air.
For achieving the above object, present invention employs following technical scheme: a kind of luminous light catalyzed coating, it includes following component:
Photocatalysis titanium dioxide nanotube, 25-65%；
Long-acting Rare-earth Long Persistence Luminescent Phosphor powder, 5-10%；
Pigment, 15-25%；
From solvent 3-5%, dispersant 2-15%, antifoaming agent 2-5%, antibacterial 1-3% and calcium carbonate 3-5%.
A kind of luminous light catalyzed coating, it includes following component:
Photocatalysis titanium dioxide nanotube, 32-65%；
Long-acting Rare-earth Long Persistence Luminescent Phosphor powder, 5-10%；
Pigment, 15-25%；
From solvent 3-5%, dispersant 2-15%, antifoaming agent 2-5%, antibacterial 1-3% and calcium carbonate 3-5%.
A kind of preparation method of luminous light catalyzed coating described above, it includes implementing as follows step:
1) by commercially available photocatalysis titanium dioxide, preparing photocatalysis titanium dioxide nanotube through hydrothermal synthesis method, prepared light is urged
The average caliber of oxide/titanium dioxide nanotube is between 5-15nm, and length is between 80-120nm, and this titania nanotube is
Multi-layer nano thin film, and there is in the presence of visible ray photocatalytic activity；Containing of the photocatalysis titanium dioxide nanotube of described coating
Amount is 25-65%；
2) in step 1) the photocatalysis titanium dioxide nanotube of gained adds at least one pigment, its content 15-25%；
3) in step 2) the long-acting Rare-earth Long Persistence Luminescent Phosphor powder of middle addition, its content is 5-10%.
4) paint making process also needs to add from solvent 3-5%, dispersant 2-15%, antifoaming agent 2-5%, antibacterial 1-3%
And calcium carbonate 3-5%.
The preparation method of described photocatalysis titanium dioxide nanotube is as follows:
1) configuration of solution: NaOH solution concentration is 10mol/L, the concentration of hydrochloric acid solution is 1moL/L；
2) hydro-thermal reaction: commercially available titania powder is added in high concentration NaOH solution, ultrasonic mixing 15-25 minute or
It is that magnetic agitation 2-3 hour makes the two be sufficiently mixed uniformly, transfers to mixed liquor reactor moves in baking oven, hydro-thermal reaction
A period of time；
The parts by weight of the preparation method dispensing each component of described titania nanotube are:
NaOH solution: 95-98 part
TiO2:2-5 part
Reaction temperature: 120-140 DEG C
Response time: 32-36h
3) separating, washing of intermediate: through step 2) hydro-thermal reaction after reactor naturally cooled to room temperature, take out in the middle of
Body, is acidified with the hydrochloric acid solution of the 1mol/L prepared, and makes PH remain 1.5, stirs 22-26 hour, laggard
Row filtering and washing, repeatable operation is until sucking filtration liquid is neutral.
4) preparation of product:
By step 3) in wash into neutrality product under the conditions of 70-90 DEG C be dried anhydrate 24-30 hour, obtain product, then
It is ground into powder with agate mortar again and i.e. obtains finished product.
Described step 3) washing of intermediate is with the process of sucking filtration, or use multi-stage countercurrent washing.
Described step 3) in stirring magnetic stirrer to be used, and seal with preservative film.
Described step 4) used by drying equipment be baking oven or high temperature furnace.
The invention has the beneficial effects as follows: 1, photocatalytic titanium dioxide particles of the present invention is prepared by new type water thermal synthesis method, caliber
Between about 5--15nm, and pipe range is at about 100nm, and this coating can be achieved with resisting in the air of kitchen and toilet and pollutes
Thing, such as oil smoke, NOXCompound etc. harmful gas.This light catalyzed coating is possible not only to work by day, it is also possible at night
Evening reacts, and enhances nano material and purifies the efficiency of air.
2, long-acting Rare-earth Long Persistence Luminescent Phosphor powder has short time absorbing light, then is stored in lattice, the most again after the luminous energy conversion of absorption
Energy can be converted into the ability of luminous energy and luminescence.
3, the luminous energy absorbed after 5-20 minute, can be converted by extinction under daylight or light-illuminating by the native long-acting noctilucent powder of the present invention
After be stored in lattice, energy can be converted into the most again luminous energy and luminous, durable-acting rare-earth luminescent powder can effectively (be sent out by continuous illumination
Brightness is more than 10mcd/m2) reach 8-10 hour, improve the photocatalysis efficiency of coating.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described:
A kind of luminous light catalyzed coating, it includes following component:
Photocatalysis titanium dioxide nanotube, 25-65%；
Long-acting Rare-earth Long Persistence Luminescent Phosphor powder, 5-10%；
Pigment, 15-25%；
From solvent 3-5%, dispersant 2-15%, antifoaming agent 2-5%, antibacterial 1-3% and calcium carbonate 3-5%.
A kind of luminous light catalyzed coating, it includes following component:
Photocatalysis titanium dioxide nanotube, 32-65%；
Long-acting Rare-earth Long Persistence Luminescent Phosphor powder, 5-10%；
Pigment, 15-25%；
From solvent 3-5%, dispersant 2-15%, antifoaming agent 2-5%, antibacterial 1-3% and calcium carbonate 3-5%.
A kind of preparation method of luminous light catalyzed coating described above, it includes implementing as follows step:
1) by commercially available photocatalysis titanium dioxide, preparing photocatalysis titanium dioxide nanotube through hydrothermal synthesis method, prepared light is urged
The average caliber of oxide/titanium dioxide nanotube is between 5-15nm, and length is between 80-120nm, and this titania nanotube is
Multi-layer nano thin film, and there is in the presence of visible ray photocatalytic activity；Containing of the photocatalysis titanium dioxide nanotube of described coating
Amount is 25-65%；
2) in step 1) the photocatalysis titanium dioxide nanotube of gained adds at least one pigment, its content 15-25%；
3) in step 2) the long-acting Rare-earth Long Persistence Luminescent Phosphor powder of middle addition, its content is 5-10%.
4) paint making process also needs to add from solvent 3-5%, dispersant 2-15%, antifoaming agent 2-5%, antibacterial 1-3%
And calcium carbonate 3-5%.
The preparation method of described photocatalysis titanium dioxide nanotube is as follows:
1) configuration of solution: NaOH solution concentration is 10mol/L, the concentration of hydrochloric acid solution is 1moL/L；
2) hydro-thermal reaction: commercially available titania powder is added in high concentration NaOH solution, ultrasonic mixing 15-25 minute or
It is that magnetic agitation 2-3 hour makes the two be sufficiently mixed uniformly, transfers to mixed liquor reactor moves in baking oven, hydro-thermal reaction
A period of time；
The parts by weight of the preparation method dispensing each component of described titania nanotube are:
NaOH solution: 95-98 part
TiO2:2-5 part
Reaction temperature: 120-140 DEG C
Response time: 32-36h
3) separating, washing of intermediate: through step 2) hydro-thermal reaction after reactor naturally cooled to room temperature, take out in the middle of
Body, is acidified with the hydrochloric acid solution of the 1mol/L prepared, and makes PH remain 1.5, stirs 22-26 hour, laggard
Row filtering and washing, repeatable operation is until sucking filtration liquid is neutral.
4) preparation of product:
By step 3) in wash into neutrality product under the conditions of 70-90 DEG C be dried anhydrate 24-30 hour, obtain product, then
It is ground into powder with agate mortar again and i.e. obtains finished product.
Described step 3) washing of intermediate is with the process of sucking filtration, or use multi-stage countercurrent washing.
Described step 3) in stirring magnetic stirrer to be used, and seal with preservative film.
Described step 4) used by drying equipment be baking oven or high temperature furnace.
In addition to following embodiment, the present invention can also have other embodiments.The skill that all employing equivalents or equivalent transformation are formed
Art scheme, all falls within the protection domain of application claims.
Embodiment 1:
A kind of luminous light catalyzed coating includes following component and content: photocatalysis titanium dioxide nanotube, 25%；Long-acting RE luminous
Powder, 5%；Pigment, 15%；From solvent 3%, dispersant 2%, antifoaming agent 2%, antibacterial 1% and calcium carbonate 3%.
A kind of preparation method of luminous light catalyzed coating, it includes implementing as follows step:
1) by commercially available photocatalysis titanium dioxide, preparing photocatalysis titanium dioxide nanotube through hydrothermal synthesis method, prepared light is urged
The average caliber of oxide/titanium dioxide nanotube is between 5nm, and length is between 80nm, and this titania nanotube is multi-layer nano
Thin film, and there is in the presence of visible ray photocatalytic activity；The content of the photocatalysis titanium dioxide nanotube of described coating is 25%；
2) in step 1) the photocatalysis titanium dioxide nanotube of gained adds at least one pigment, its content 15%；
3) in step 2) the long-acting Rare-earth Long Persistence Luminescent Phosphor powder of middle addition, its content is 5%.
4) paint making process also needs to add from solvent 3%, dispersant 2%, antifoaming agent 2%, antibacterial 1% and carbonic acid
Calcium 3%.
Wherein, the preparation method of above-mentioned photocatalysis titanium dioxide nanotube is as follows:
1) configuration of solution: NaOH solution concentration is 10mol/L, the concentration of hydrochloric acid solution is 1moL/L；
2) hydro-thermal reaction: 2 parts of commercially available titania powders are joined in 95 parts of high concentration NaOH solution, ultrasonic mixing 15
Minute or magnetic agitation within 2 hours, make the two be sufficiently mixed uniformly, transfer to mixed liquor reactor moves in baking oven,
Under the conditions of 120 DEG C, hydro-thermal reaction 32h；
3) separating, washing of intermediate: through step 2) hydro-thermal reaction after reactor naturally cooled to room temperature, take out in the middle of
Body, is acidified with the hydrochloric acid solution of the 1mol/L prepared, and makes PH remain 1.5, by magnetic stirrer 22 hours,
And seal with preservative film, carrying out filtering and washing afterwards, repeatable operation is until sucking filtration liquid is neutral.
4) preparation of product:
By step 3) in wash into neutrality product under the conditions of 70 DEG C in an oven be dried anhydrate 24 hours, obtain product, so
After be ground into powder with agate mortar again and i.e. obtain finished product.
Embodiment 2:
A kind of luminous light catalyzed coating includes following component and content: photocatalysis titanium dioxide nanotube, 32%；Long-acting RE luminous
Powder, 8%；Pigment, 20%；From solvent 4%, dispersant 6%, antifoaming agent 3%, antibacterial 2% and calcium carbonate 4%.
A kind of preparation method of luminous light catalyzed coating, it includes implementing as follows step:
1) by commercially available photocatalysis titanium dioxide, preparing photocatalysis titanium dioxide nanotube through hydrothermal synthesis method, prepared light is urged
The average caliber of oxide/titanium dioxide nanotube is between 10nm, and length is between 90nm, and this titania nanotube is that multilamellar is received
Rice thin film, and there is in the presence of visible ray photocatalytic activity；The content of the photocatalysis titanium dioxide nanotube of described coating is 32%；
2) in step 1) the photocatalysis titanium dioxide nanotube of gained adds at least one pigment, its content 20%；
3) in step 2) the long-acting Rare-earth Long Persistence Luminescent Phosphor powder of middle addition, its content is 8%.
4) paint making process also needs to add from solvent 4%, dispersant 6%, antifoaming agent 3%, antibacterial 2% and carbonic acid
Calcium 4%.
Wherein, the preparation method of above-mentioned photocatalysis titanium dioxide nanotube is as follows:
1) configuration of solution: NaOH solution concentration is 10mol/L, the concentration of hydrochloric acid solution is 1moL/L；
2) hydro-thermal reaction: 3 parts of commercially available titania powders are joined in 96 parts of high concentration NaOH solution, ultrasonic mixing 20
Minute or magnetic agitation within 2 hours, make the two be sufficiently mixed uniformly, transfer to mixed liquor reactor moves in baking oven,
Under the conditions of 130 DEG C, hydro-thermal reaction 34h；
3) separating, washing of intermediate: through step 2) hydro-thermal reaction after reactor naturally cooled to room temperature, take out in the middle of
Body, is acidified with the hydrochloric acid solution of the 1mol/L prepared, and makes PH remain 1.5, by magnetic stirrer 24 hours,
And seal with preservative film, carrying out filtering and washing afterwards, repeatable operation is until sucking filtration liquid is neutral.
4) preparation of product:
By step 3) in wash into neutrality product under the conditions of 80 DEG C in high temperature furnace be dried anhydrate 26 hours, obtain product,
It is ground into powder with agate mortar the most again and i.e. obtains finished product.
Embodiment 3:
A kind of luminous light catalyzed coating includes following component and content: photocatalysis titanium dioxide nanotube, 50%；Long-acting RE luminous
Powder, 8%；Pigment, 20%；From solvent 4%, dispersant 10%, antifoaming agent 4%, antibacterial 2% and calcium carbonate 4%.
A kind of preparation method of luminous light catalyzed coating, it includes implementing as follows step:
1) by commercially available photocatalysis titanium dioxide, preparing photocatalysis titanium dioxide nanotube through hydrothermal synthesis method, prepared light is urged
The average caliber of oxide/titanium dioxide nanotube is between 13nm, and length is between 110nm, and this titania nanotube is that multilamellar is received
Rice thin film, and there is in the presence of visible ray photocatalytic activity；The content of the photocatalysis titanium dioxide nanotube of described coating is 50%；
2) in step 1) the photocatalysis titanium dioxide nanotube of gained adds at least one pigment, its content 20%；
3) in step 2) the long-acting Rare-earth Long Persistence Luminescent Phosphor powder of middle addition, its content is 8%.
4) paint making process also needs to add from solvent 4%, dispersant 10%, antifoaming agent 4%, antibacterial 2% and carbonic acid
Calcium 4%.
Wherein, the preparation method of above-mentioned photocatalysis titanium dioxide nanotube is as follows:
1) configuration of solution: NaOH solution concentration is 10mol/L, the concentration of hydrochloric acid solution is 1moL/L；
2) hydro-thermal reaction: 4 parts of commercially available titania powders are joined in 97 parts of high concentration NaOH solution, ultrasonic mixing 25
Minute or magnetic agitation within 3 hours, make the two be sufficiently mixed uniformly, transfer to mixed liquor reactor moves in baking oven,
Under the conditions of 140 DEG C, hydro-thermal reaction 36h；
3) separating, washing of intermediate: through step 2) hydro-thermal reaction after reactor naturally cooled to room temperature, take out in the middle of
Body, is acidified with the hydrochloric acid solution of the 1mol/L prepared, and makes PH remain 1.5, by magnetic stirrer 26 hours,
And seal with preservative film, carrying out filtering and washing afterwards, repeatable operation is until sucking filtration liquid is neutral.
4) preparation of product:
By step 3) in wash into neutrality product under the conditions of 90 DEG C in an oven be dried anhydrate 28 hours, obtain product, so
After be ground into powder with agate mortar again and i.e. obtain finished product.
Embodiment 4:
A kind of luminous light catalyzed coating includes following component and content: photocatalysis titanium dioxide nanotube, 65%；Long-acting RE luminous
Powder, 10%；Pigment, 25%；From solvent 5%, dispersant 15%, antifoaming agent 5%, antibacterial 3% and calcium carbonate 5%.
A kind of preparation method of luminous light catalyzed coating, it includes implementing as follows step:
1) by commercially available photocatalysis titanium dioxide, preparing photocatalysis titanium dioxide nanotube through hydrothermal synthesis method, prepared light is urged
The average caliber of oxide/titanium dioxide nanotube is between 15nm, and length is between 120nm, and this titania nanotube is that multilamellar is received
Rice thin film, and there is in the presence of visible ray photocatalytic activity；The content of the photocatalysis titanium dioxide nanotube of described coating is 65%；
2) in step 1) the photocatalysis titanium dioxide nanotube of gained adds at least one pigment, its content 25%；
3) in step 2) the long-acting Rare-earth Long Persistence Luminescent Phosphor powder of middle addition, its content is 10%.
4) paint making process also needs to add from solvent 5%, dispersant 15%, antifoaming agent 5%, antibacterial 3% and carbonic acid
Calcium 5%.
Wherein, the preparation method of above-mentioned photocatalysis titanium dioxide nanotube is as follows:
1) configuration of solution: NaOH solution concentration is 10mol/L, the concentration of hydrochloric acid solution is 1moL/L；
2) hydro-thermal reaction: 5 parts of commercially available titania powders are joined in 98 parts of high concentration NaOH solution, ultrasonic mixing 25
Minute or magnetic agitation within 3 hours, make the two be sufficiently mixed uniformly, transfer to mixed liquor reactor moves in baking oven,
Under the conditions of 140 DEG C, hydro-thermal reaction 36h；
3) separating, washing of intermediate: through step 2) hydro-thermal reaction after reactor naturally cooled to room temperature, take out in the middle of
Body, is acidified with the hydrochloric acid solution of the 1mol/L prepared, and makes PH remain 1.5, by magnetic stirrer 26 hours,
And seal with preservative film, carrying out filtering and washing afterwards, repeatable operation is until sucking filtration liquid is neutral.
4) preparation of product:
By step 3) in wash into neutrality product under the conditions of 90 DEG C in an oven be dried anhydrate 30 hours, obtain product, so
After be ground into powder with agate mortar again and i.e. obtain finished product.
Claims (5)
1. the preparation method of a luminous light catalyzed coating, it is characterised in that:
Luminous light catalyzed coating includes following component:
Photocatalysis titanium dioxide nanotube, 25-65%；
Long-acting Rare-earth Long Persistence Luminescent Phosphor powder, 5-10%；
Pigment, 15-25%；
Solvent 3-5%, dispersant 2-15%, antifoaming agent 2-5%, antibacterial 1-3% and calcium carbonate 3-5%；
The preparation method of luminous light catalyzed coating, it includes implementing as follows step:
1) by commercially available photocatalysis titanium dioxide, photocatalysis titanium dioxide nanotube is prepared through hydrothermal synthesis method, the average caliber of the photocatalysis titanium dioxide nanotube prepared is between 5-15nm, length is between 80-120nm, this titania nanotube is multi-layer nano thin film, and has photocatalytic activity in the presence of visible ray；The content of the photocatalysis titanium dioxide nanotube of described coating is 25-65%；
2) in step 1) the photocatalysis titanium dioxide nanotube of gained adds at least one pigment, its content 15-25%；
3) in step 2) the long-acting Rare-earth Long Persistence Luminescent Phosphor powder of middle addition, its content is 5-10%；
4) paint making process also needs to add solvent 3-5%, dispersant 2-15%, antifoaming agent 2-5%, antibacterial 1-3% and calcium carbonate 3-5%.
The preparation method of luminous light catalyzed coating the most according to claim 1, it is characterised in that the preparation method of described photocatalysis titanium dioxide nanotube is as follows:
1) configuration of solution: NaOH solution concentration is 10mol/L, the concentration of hydrochloric acid solution is 1moL/L；
2) hydro-thermal reaction: commercially available titania powder is added in high concentration NaOH solution, ultrasonic mixing 15-25 minute or magnetic agitation 2-3 hour make the two be sufficiently mixed uniformly, transfer to mixed liquor reactor moves in baking oven, hydro-thermal reaction a period of time；
The parts by weight of the preparation method dispensing each component of described titania nanotube are:
NaOH solution: 95-98 part
TiO2: 2-5 part
Reaction temperature: 120-140 DEG C
Response time: 32-36h
3) separating, washing of intermediate: through step 2) hydro-thermal reaction after reactor is naturally cooled to room temperature, take out intermediate, it is acidified with the hydrochloric acid solution of the 1mol/L prepared, pH is made to remain 1.5, stir 22-26 hour, carrying out filtering and washing afterwards, repeatable operation is until sucking filtration liquid is neutral；
4) preparation of product:
By step 3) in wash into neutrality product under the conditions of 70-90 DEG C be dried anhydrate 24-30 hour, obtain product, be ground into powder with agate mortar the most again and i.e. obtain finished product.
The most according to claim 2, the preparation method of luminous light catalyzed coating, is characterized in that: described step 3) washing of intermediate is with the process of sucking filtration, or use multi-stage countercurrent washing.
The most according to claim 2, the preparation method of luminous light catalyzed coating, is characterized in that: described step 3) in stirring magnetic stirrer to be used, and seal with preservative film.
The most according to claim 2, the preparation method of luminous light catalyzed coating, is characterized in that: described step 4) used by drying equipment be baking oven or high temperature furnace.
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| CN109321043A (en) * | 2018-09-25 | 2019-02-12 | 海南大学 | A kind of seawater pipeline anticorrosive paint and preparation method thereof |
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| CN111111442A (en) * | 2019-12-30 | 2020-05-08 | 长安大学 | Long-afterglow automobile exhaust purification coating and preparation method and application thereof |
| CN113683910A (en) * | 2020-05-18 | 2021-11-23 | 金百利科技(深圳)有限公司 | Photocatalytic coating with efficient photocatalytic function and preparation method thereof |
| CN113088122A (en) * | 2021-03-31 | 2021-07-09 | 成都高斯电子技术有限公司 | Coating reinforcing agent and preparation method and use method thereof |
| CN115212721A (en) * | 2022-06-30 | 2022-10-21 | 长安大学 | Autonomous system and method for decomposing automobile exhaust in tunnel |
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