CN107903670B - Water-based ultraviolet absorbing material and preparation method thereof - Google Patents
Water-based ultraviolet absorbing material and preparation method thereof Download PDFInfo
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- CN107903670B CN107903670B CN201711180662.1A CN201711180662A CN107903670B CN 107903670 B CN107903670 B CN 107903670B CN 201711180662 A CN201711180662 A CN 201711180662A CN 107903670 B CN107903670 B CN 107903670B
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- water
- ultraviolet absorbing
- absorbing material
- boehmite
- nitric acid
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 239000011358 absorbing material Substances 0.000 title claims abstract description 46
- 238000002360 preparation method Methods 0.000 title claims description 13
- 238000000576 coating method Methods 0.000 claims abstract description 37
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000011248 coating agent Substances 0.000 claims abstract description 35
- 229910017604 nitric acid Inorganic materials 0.000 claims abstract description 35
- VXAUWWUXCIMFIM-UHFFFAOYSA-M aluminum;oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Al+3] VXAUWWUXCIMFIM-UHFFFAOYSA-M 0.000 claims abstract description 34
- GXDVEXJTVGRLNW-UHFFFAOYSA-N [Cr].[Cu] Chemical compound [Cr].[Cu] GXDVEXJTVGRLNW-UHFFFAOYSA-N 0.000 claims abstract description 27
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 claims abstract description 14
- 239000002270 dispersing agent Substances 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 239000008367 deionised water Substances 0.000 claims abstract 2
- 229910021641 deionized water Inorganic materials 0.000 claims abstract 2
- 238000002156 mixing Methods 0.000 claims description 28
- 229910052751 metal Inorganic materials 0.000 claims description 24
- 239000002184 metal Substances 0.000 claims description 24
- 238000000227 grinding Methods 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 20
- 239000007864 aqueous solution Substances 0.000 claims description 13
- 239000002245 particle Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 10
- 238000001179 sorption measurement Methods 0.000 claims description 5
- 229920001030 Polyethylene Glycol 4000 Polymers 0.000 claims description 2
- 229940057838 polyethylene glycol 4000 Drugs 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 abstract description 22
- 239000011230 binding agent Substances 0.000 abstract description 4
- 239000003960 organic solvent Substances 0.000 abstract description 2
- 239000003973 paint Substances 0.000 abstract description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- XUMBMVFBXHLACL-UHFFFAOYSA-N Melanin Chemical compound O=C1C(=O)C(C2=CNC3=C(C(C(=O)C4=C32)=O)C)=C2C4=CNC2=C1C XUMBMVFBXHLACL-UHFFFAOYSA-N 0.000 description 4
- 210000003491 skin Anatomy 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000020477 pH reduction Effects 0.000 description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 230000000593 degrading effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 206010007269 Carcinogenicity Diseases 0.000 description 1
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- 239000005751 Copper oxide Substances 0.000 description 1
- 201000004624 Dermatitis Diseases 0.000 description 1
- 241000872198 Serjania polyphylla Species 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000007670 carcinogenicity Effects 0.000 description 1
- 231100000260 carcinogenicity Toxicity 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000001023 inorganic pigment Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 210000002752 melanocyte Anatomy 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- FGHSTPNOXKDLKU-UHFFFAOYSA-N nitric acid;hydrate Chemical compound O.O[N+]([O-])=O FGHSTPNOXKDLKU-UHFFFAOYSA-N 0.000 description 1
- 238000001935 peptisation Methods 0.000 description 1
- 238000005502 peroxidation Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000037303 wrinkles 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
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/32—Radiation-absorbing paints
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
- Chemical Treatment Of Metals (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention discloses a water-based ultraviolet absorbing material which is prepared from the following raw materials in parts by weight: 7-10 parts of pseudo-boehmite, 2-4 parts of nitric acid, 20-30 parts of copper-chromium black, 7-11 parts of dispersing agent, 3-6 parts of aluminum phosphate and 30-50 parts of deionized water. The water-based ultraviolet absorbing material takes pseudo-boehmite and superfine copper-chromium black as main bodies for absorbing ultraviolet, provides larger specific surface area, and greatly improves the ultraviolet absorbing capacity; acidizing the pseudo-boehmite by using nitric acid to ensure that the copper-chromium black can be better dispersed; aluminum phosphate is added as a binder, so that the formed water-based ultraviolet absorption coating is firm and does not fall off; does not use organic solvent, and is a safe and environment-friendly water-based paint.
Description
Technical Field
The invention belongs to the technical field of ultraviolet adsorption materials, and particularly relates to a water-based ultraviolet adsorption material, a preparation method thereof and a water-based ultraviolet adsorption coating formed by the water-based ultraviolet adsorption material.
Background
The method for degrading malodorous compounds by releasing ozone through ultraviolet rays is widely applied to the fields of industrial production, kitchen degreasing and the like. The method for degrading by using ultraviolet to release ozone brings convenience and has some disadvantages. For example, the spilled ultraviolet rays have great damage to human skin and eyes, which can cause microvascular dilatation and dermatitis, and also have certain carcinogenicity. When ultraviolet rays irradiate the skin, a large amount of free radicals are generated by the skin, so that the peroxidation of cell membranes is caused, the melanocytes generate more melanin and distribute the melanin upwards to the horny layer of the epidermis, and black spots are caused, so that skin wrinkles, aging, relaxation and black spots are caused.
Therefore, there is a need for a material capable of effectively absorbing ultraviolet rays to effectively absorb ultraviolet rays overflowing during the production process and prevent the ultraviolet rays from overflowing to cause damage to human bodies.
Disclosure of Invention
The invention aims to provide a water-based ultraviolet absorbing material, which is coated on a metal surface irradiated by ultraviolet rays in an air inlet and is baked at high temperature to be adhered on the metal surface so as to form an ultraviolet absorbing coating. The formed ultraviolet absorption coating can effectively absorb the ultraviolet overflowing in the production process, thereby preventing the overflowing ultraviolet from damaging human bodies.
The technical scheme adopted by the invention is as follows: a water-based ultraviolet absorbing material is prepared from the following raw materials in parts by weight:
preferably, the mass fraction of the nitric acid is 10-30%.
Preferably, the particle size of the copper-chromium black is 40-100 nm.
Preferably, the dispersant used is polyethylene glycol-4000.
The pseudo-boehmite is also called as hydrated alumina, and has the advantages of high crystalline phase purity, good peptization performance, strong cohesiveness, large specific surface area, large pore volume and the like. Therefore, the pseudo-boehmite is added into the water-based ultraviolet absorption material, so that the prepared ultraviolet absorption material and the prepared ultraviolet absorption coating have large specific surface area, are beneficial to absorbing ultraviolet rays, and can also make the water-based ultraviolet absorption coating firm and not fall off.
Copper chromium black is a metal oxide black inorganic pigment, generally produced by the chemical combination reaction of copper oxide and chromium oxide at a high temperature of 900 ℃. The copper-chromium black has excellent light resistance, weather resistance, chemical stability and heat resistance, and is a very good ultraviolet absorbent. When added to an aqueous ultraviolet absorbing material, the material can have an improved ultraviolet absorbing ability. The invention selects the superfine copper-chromium black with large specific surface area as the ultraviolet absorbing material, further improves the specific surface area of the prepared ultraviolet absorbing material and improves the ultraviolet absorbing capacity.
In the invention, aluminum phosphate is mainly used as a binder, so that the formed water-based ultraviolet absorption coating is firm and does not fall off, and can effectively absorb ultraviolet rays for a long time.
The invention also provides a preparation method of the water-based ultraviolet absorbing material, which comprises the following steps:
1) preparing nitric acid into a nitric acid aqueous solution, mixing the nitric acid aqueous solution with pseudo-boehmite, and acidifying to obtain acidified pseudo-boehmite;
2) mixing the acidified pseudo-boehmite, the copper-chromium black and the dispersing agent, and grinding to obtain a ground mixed material;
3) and adding aluminum phosphate and water into the ground mixture, and uniformly mixing to obtain the water-based ultraviolet absorption coating.
Preferably, in the step 1), the nitric acid is prepared into a nitric acid aqueous solution with the mass fraction of 10-30%, and the time for mixing and acidifying is 0.4-1 h.
The pseudo-boehmite is acidified by nitric acid, so that the copper-chromium black can be better dispersed in the coating, and the overflowing ultraviolet rays can be better absorbed.
Preferably, in the step 2), a grinder is used for grinding, the grinding time is 2.5-4h, and the average particle size of the ground mixed material is controlled to be 2.5-8 μm.
The components are mixed and ground, so that the particle size of each component is reduced, the specific surface area is increased, the components can be better dispersed, and the ultraviolet absorption capability is further improved.
The invention also provides a water-based ultraviolet absorption coating, which is prepared by coating the water-based ultraviolet absorption material on the surface of metal and baking at the temperature of 400-500 ℃ to enable the water-based ultraviolet absorption coating to be adhered on the surface of the metal.
The aqueous ultraviolet absorbing material of the present invention can be coated on a metal surface to which ultraviolet rays can be irradiated, and baked at a high temperature to adhere the metal surface, thereby forming an aqueous ultraviolet absorbing coating layer, according to actual production. The coating can effectively absorb overflowed ultraviolet rays, thereby reducing or preventing the harm of the ultraviolet rays to human bodies.
The invention takes pseudo-boehmite and superfine copper-chromium black as main bodies for absorbing ultraviolet rays, and is prepared by adding a proper amount of inorganic adhesive, auxiliary agent and water for grinding. In the preparation process, nitric acid is adopted to acidify the pseudo-boehmite, so that the copper-chromium black can be better dispersed in the coating, and the efficiency of absorbing ultraviolet rays is improved; after high-temperature irradiation, the pseudo-boehmite can form active alumina, thereby providing a large specific surface area and being beneficial to absorbing ultraviolet rays; the pseudo-boehmite formed at high temperature is matched with a small amount of aluminum phosphate as a binding agent, so that the formed water-based ultraviolet absorption coating is firm and does not fall off, and the efficiency of absorbing ultraviolet is further improved by the rough surface of the coating.
The invention has the beneficial effects that: (1) pseudo-boehmite and superfine copper-chromium black are used as main bodies for absorbing ultraviolet rays, so that a large specific surface area is provided, and the ultraviolet absorption capacity is greatly improved; (2) acidizing the pseudo-boehmite by using nitric acid to ensure that the copper-chromium black can be better dispersed; (3) aluminum phosphate is added as a binder, so that the formed water-based ultraviolet absorption coating is firm and does not fall off; (4) does not use organic solvent, and is a safe and environment-friendly water-based paint.
Detailed Description
Example 1
A water-based ultraviolet absorbing material is prepared from the following raw materials in parts by weight:
wherein the mass fraction of the nitric acid is 10 percent, and the grain diameter of the copper-chromium black is 40 nm.
The preparation method of the water-based ultraviolet absorbing material comprises the following steps:
1) preparing nitric acid into a nitric acid aqueous solution with the mass fraction of 10%, and mixing the nitric acid aqueous solution with pseudo-boehmite for acidification for 1h to obtain acidified pseudo-boehmite;
2) mixing acidified pseudo-boehmite, copper-chromium black and a dispersing agent, and grinding by using a grinding machine for 4 hours to obtain a mixed material with the average particle size of 2.5 mu m;
3) and adding aluminum phosphate and water into the ground mixture, and uniformly mixing to obtain the water-based ultraviolet absorbing material.
The prepared water-based ultraviolet absorbing material is coated on the surface of a metal which can be irradiated by ultraviolet rays in an air inlet, and is baked at the temperature of 400 ℃ to be adhered on the surface of the metal, so that the water-based ultraviolet absorbing coating is formed. The water-based ultraviolet absorption coating can effectively absorb overflowed ultraviolet rays and prevent the overflowed ultraviolet rays from damaging human bodies.
Example 2
A water-based ultraviolet absorbing material is prepared from the following raw materials in parts by weight:
wherein the mass fraction of the nitric acid is 15 percent, and the grain diameter of the copper-chromium black is 50 nm.
The preparation method of the water-based ultraviolet absorbing material comprises the following steps:
1) preparing nitric acid into a nitric acid aqueous solution with the mass fraction of 15%, and mixing and acidifying with pseudo-boehmite for 0.5h to obtain acidified pseudo-boehmite;
2) mixing the acidified pseudo-boehmite, the copper-chromium black and the dispersing agent, and grinding by adopting a grinding machine for 3.5 hours to obtain a mixed material with the average particle size of 3 mu m;
3) and adding aluminum phosphate and water into the ground mixture, and uniformly mixing to obtain the water-based ultraviolet absorbing material.
The prepared water-based ultraviolet absorbing material is coated on the surface of a metal which can be irradiated by ultraviolet rays in an air inlet, and is baked at the temperature of 500 ℃ to be adhered on the surface of the metal, so that the water-based ultraviolet absorbing coating is formed. The water-based ultraviolet absorption coating can effectively absorb overflowed ultraviolet rays and prevent the overflowed ultraviolet rays from damaging human bodies.
Example 3
A water-based ultraviolet absorbing material is prepared from the following raw materials in parts by weight:
wherein the mass fraction of the nitric acid is 20 percent, and the grain diameter of the copper-chromium black is 60 nm.
The preparation method of the water-based ultraviolet absorbing material comprises the following steps:
1) preparing nitric acid into a nitric acid aqueous solution with the mass fraction of 20%, and mixing and acidifying with pseudo-boehmite for 0.5h to obtain acidified pseudo-boehmite;
2) mixing the acidified pseudo-boehmite, the copper-chromium black and the dispersing agent, and grinding by adopting a grinding machine for 3 hours to obtain a mixed material with the average particle size of 5 mu m;
3) and adding aluminum phosphate and water into the ground mixture, and uniformly mixing to obtain the water-based ultraviolet absorbing material.
The prepared water-based ultraviolet absorbing material is coated on the surface of a metal which can be irradiated by ultraviolet rays in an air inlet, and is baked at the temperature of 450 ℃ to be adhered on the surface of the metal, so that the water-based ultraviolet absorbing coating is formed. The water-based ultraviolet absorption coating can effectively absorb overflowed ultraviolet rays and prevent the overflowed ultraviolet rays from damaging human bodies.
Example 4
A water-based ultraviolet absorbing material is prepared from the following raw materials in parts by weight:
wherein the mass fraction of the nitric acid is 25 percent, and the grain diameter of the copper-chromium black is 80 nm.
The preparation method of the water-based ultraviolet absorbing material comprises the following steps:
1) preparing nitric acid into a nitric acid water solution with the mass fraction of 25%, and mixing and acidifying with pseudo-boehmite for 0.8h to obtain acidified pseudo-boehmite;
2) mixing the acidified pseudo-boehmite, the copper-chromium black and the dispersing agent, and grinding by adopting a grinding machine for 2.8 hours to obtain a mixed material with the average particle size of 8 mu m;
3) and adding aluminum phosphate and water into the ground mixture, and uniformly mixing to obtain the water-based ultraviolet absorbing material.
The prepared water-based ultraviolet absorbing material is coated on the surface of a metal which can be irradiated by ultraviolet rays in an air inlet, and is baked at the temperature of 2000 ℃ to be adhered on the surface of the metal, so that the water-based ultraviolet absorbing coating is formed. The water-based ultraviolet absorption coating can effectively absorb overflowed ultraviolet rays and prevent the overflowed ultraviolet rays from damaging human bodies.
Example 5
A water-based ultraviolet absorbing material is prepared from the following raw materials in parts by weight:
wherein the mass fraction of the nitric acid is 30 percent, and the grain diameter of the copper chromium black is 100 nm.
The preparation method of the water-based ultraviolet absorbing material comprises the following steps:
1) preparing nitric acid into a nitric acid aqueous solution with the mass fraction of 30%, and mixing the nitric acid aqueous solution with pseudo-boehmite for acidification for 1h to obtain acidified pseudo-boehmite;
2) mixing the acidified pseudo-boehmite, the copper-chromium black and the dispersing agent, and grinding by adopting a grinding machine for 4 hours to obtain a mixed material with the average particle size of 2.5 mu m;
3) and adding aluminum phosphate and water into the ground mixture, and uniformly mixing to obtain the water-based ultraviolet absorbing material.
The prepared water-based ultraviolet absorbing material is coated on the surface of a metal which can be irradiated by ultraviolet rays in an air inlet, and is baked at the temperature of 500 ℃ to be adhered on the surface of the metal, so that the water-based ultraviolet absorbing coating is formed. The water-based ultraviolet absorption coating can effectively absorb overflowed ultraviolet rays and prevent the overflowed ultraviolet rays from damaging human bodies.
Comparative example 1
A water-based ultraviolet absorbing material is prepared from the following raw materials in parts by weight:
wherein the mass fraction of the nitric acid is 20 percent.
The preparation method of the water-based ultraviolet absorbing material comprises the following steps:
1) preparing nitric acid into a nitric acid aqueous solution with the mass fraction of 20%, and mixing the nitric acid aqueous solution with activated alumina for acidification for 0.5h to obtain acidified activated alumina;
2) mixing the acidified active alumina and the dispersing agent, and grinding by using a grinder for 3 hours to obtain a mixed material with the average particle size of 5 microns;
3) and adding aluminum phosphate and water into the ground mixture, and uniformly mixing to obtain the water-based ultraviolet absorbing material.
The prepared water-based ultraviolet absorbing material is coated on the surface of a metal which can be irradiated by ultraviolet rays in an air inlet, and is baked at the temperature of 450 ℃ to be adhered on the surface of the metal, so that the water-based ultraviolet absorbing coating is formed.
Comparative example 2
A water-based ultraviolet absorbing material is prepared from the following raw materials in parts by weight:
wherein the grain diameter of the copper chromium black is 60 nm.
The preparation method of the water-based ultraviolet absorbing material comprises the following steps:
1) mixing pseudo-boehmite, copper-chromium black and a dispersing agent, and grinding by adopting a grinding machine for 3 hours to obtain a mixed material with the average particle size of 5 mu m;
2) and adding aluminum phosphate and water into the ground mixture, and uniformly mixing to obtain the water-based ultraviolet absorbing material.
The prepared water-based ultraviolet absorbing material is coated on the surface of a metal which can be irradiated by ultraviolet rays in an air inlet, and is baked at the temperature of 450 ℃ to be adhered on the surface of the metal, so that the water-based ultraviolet absorbing coating is formed.
The aqueous ultraviolet-adsorbing materials prepared in examples 1 to 5 and comparative examples 1 to 2 were coated on a metal surface to which ultraviolet rays from the gas inlet could be irradiated, so as to be adhered to the metal surface, thereby forming an aqueous ultraviolet-adsorbing coating. The effect of ultraviolet absorption by the aqueous ultraviolet absorbing coatings prepared in examples 1 to 5 and comparative examples 1 to 2 is shown in table 1.
TABLE 1 Effect of UV absorption by the aqueous UV-absorbing coatings prepared in examples 1-5 and comparative examples 1-2
Claims (6)
1. The water-based ultraviolet absorbing material is characterized by being prepared from the following raw materials in parts by weight:
the preparation method of the water-based ultraviolet adsorption material comprises the following steps:
1) preparing nitric acid into a nitric acid aqueous solution with the mass fraction of 10-30%, and mixing and acidifying with pseudo-boehmite to obtain acidified pseudo-boehmite;
2) mixing the acidified pseudo-boehmite, the copper-chromium black and the dispersing agent, and grinding to obtain a ground mixed material;
3) and adding aluminum phosphate and deionized water into the ground mixture, and uniformly mixing to obtain the water-based ultraviolet absorbing material.
2. The aqueous ultraviolet absorbing material according to claim 1, wherein the copper-chromium black has a particle size of 40 to 100 nm.
3. The aqueous ultraviolet absorbing material of claim 1, wherein the dispersant is polyethylene glycol-4000.
4. The aqueous ultraviolet absorbing material as claimed in claim 1, wherein the nitric acid is prepared into an aqueous solution of 10 to 30 mass% nitric acid in the step 1), and the mixing and acidifying time is 0.4 to 1 hour.
5. The aqueous ultraviolet absorbing material according to claim 1, wherein the grinding is performed by a grinder for 2.5 to 4 hours in step 2), and the average particle size of the mixture after grinding is controlled to 2.5 to 8 μm.
6. An aqueous ultraviolet absorbing coating, wherein the aqueous ultraviolet absorbing coating is prepared by coating the aqueous ultraviolet absorbing material as defined in any one of claims 1 to 3 on a metal surface, and baking the coating at a temperature of 400-500 ℃ to adhere the coating on the metal surface.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102671716A (en) * | 2012-05-23 | 2012-09-19 | 江苏高淳陶瓷股份有限公司 | High temperature-resisting active coating and preparation method thereof |
| CN106164185A (en) * | 2014-04-02 | 2016-11-23 | 费罗公司 | The infrared pigment of copper oxide |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102671716A (en) * | 2012-05-23 | 2012-09-19 | 江苏高淳陶瓷股份有限公司 | High temperature-resisting active coating and preparation method thereof |
| CN106164185A (en) * | 2014-04-02 | 2016-11-23 | 费罗公司 | The infrared pigment of copper oxide |
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Effective date of registration: 20231108 Address after: 528000, No. 32 Baiye Avenue, Xiqiao Science and Technology Industrial Park, Xiqiao Town, Nanhai District, Foshan City, Guangdong Province (Residence Application) Patentee after: FOSHAN LIPAI LOCOMOTIVE MATERIAL CO.,LTD. Address before: The first floor of Building 10, No. 168 Gaoxin West Road, Jianghai District, Jiangmen City, Guangdong Province, 529000 Patentee before: JIANGMEN ZIDI TECHNOLOGY ENVIRONMENTAL PROTECTION CO.,LTD. |