CN114958142A - Structural color heavy-duty anticorrosive paint and preparation method thereof - Google Patents
Structural color heavy-duty anticorrosive paint and preparation method thereof Download PDFInfo
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- CN114958142A CN114958142A CN202210651756.7A CN202210651756A CN114958142A CN 114958142 A CN114958142 A CN 114958142A CN 202210651756 A CN202210651756 A CN 202210651756A CN 114958142 A CN114958142 A CN 114958142A
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/082—Anti-corrosive paints characterised by the anti-corrosive pigment
- C09D5/084—Inorganic 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
- C09D7/60—Additives non-macromolecular
- 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
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/327—Aluminium phosphate
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/328—Phosphates of heavy metals
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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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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Abstract
The invention relates to a preparation method of a water-based structural color anticorrosive coating, which comprises the steps of synthesizing structural color nano particles, ultrasonically dispersing the structural color nano particles in a silane coupling agent, then adding epoxy resin, fully dispersing, then sequentially adding a dispersing agent, a defoaming agent, a rheological additive and an anticorrosive base material to prepare a coating A component, and then adding a curing agent solution for mixing. The preparation process is simple, and has the advantages of stable color, environmental protection, easy construction, corrosion resistance, curing at normal temperature and the like; the paint has good waterproof and anticorrosive performance, can be directly coated on the surface of metal, and does not need matched primer.
Description
Technical Field
The invention relates to the technical field of water-based anticorrosive coatings, in particular to a water-based structural color anticorrosive coating and a preparation method thereof.
Background
The photonic crystal material has the function of regulating and controlling light transmission, when visible light passes through the photonic crystal, the light with a specific frequency can be modulated by the photonic band gap, so that part of the visible light cannot pass through the material and is directly reflected, and the photonic crystal generates a specific structural color. Compared with pigment colors, the structural color has the advantages of high saturation, high brightness, fastness and the like. SiO 2 2 PS, PMMA, etc. are common materials for preparing photonic crystals.
Meanwhile, various properties of the coating can be obviously improved by utilizing the small size and the surface effect of the structural color nano particles, and particularly the mechanical property, the corrosion resistance, the weather resistance and the aging resistance of the coating are improved.
The traditional paint has two main pollutants: volatile organic compounds (such as toluene and formaldehyde) and heavy metal pigment substances (such as cadmium yellow PbCrO) 4 ). Although the industrial technologies that have been industrialized at present can realize the production of completely water-based coatings (such as water-based epoxy, water-based polyurethane and the like), no good substitute for heavy metal pigment substances exists, and the substitute is usually organic dye, but has higher toxicity.
Accordingly, those skilled in the art have been made efforts to develop a new preparation method for applying the structural color nanoparticles to the field of anticorrosive coatings to overcome the above problems.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a preparation method of a water-based structural color anticorrosive paint, which can ensure the color stability of a coating and improve the anticorrosive performance of the coating to a certain extent.
In order to achieve the purpose, the invention adopts a technical scheme that: a method for preparing water-based structural color anticorrosive paint comprises the steps of synthesizing structural color nano particles, ultrasonically dispersing the structural color nano particles in a silane coupling agent, then adding epoxy resin, fully dispersing, sequentially adding a dispersing agent, a defoaming agent, a rheological additive and an anticorrosive base material to prepare a paint component A, and then adding a curing agent solution for mixing.
The diameter range of the structural color nano particles is 100-400 nanometers.
The structural color nano particles are any one of silicon dioxide, titanium dioxide, polystyrene and polymethyl methacrylate.
The specific preparation method of the water-based structural color anticorrosive paint comprises the following steps:
s1: synthesizing structural color nano particles: firstly, synthesizing a seed solution, then performing a seed growth experiment, and then washing to obtain structural color nanoparticles;
s2, preparation of antirust base stock: mixing the filler, the aluminum tripolyphosphate, the zinc phosphate and the dispersant, and grinding to obtain an antirust base material;
s3: preparing a component A of the water-based structural color anticorrosive paint: 3-6 parts of structural color nano particles prepared by S1 are ultrasonically dispersed in 5-10 parts of silane coupling agent, then 40-60 parts of epoxy resin is added, and after full dispersion, 1-5 parts of defoaming agent, 2-5 parts of dispersing agent, 40-60 parts of antirust base material and 1-5 parts of rheological additive are sequentially added;
s4: preparing a component B of the water-based structural color anticorrosive paint: 75-85 parts of epoxy curing agent, 20-35 parts of deionized water and 2-5 parts of anti-flash rust auxiliary agent;
s5: a, B components are mixed to obtain the water-based structural color anticorrosive paint.
In order to achieve the above purpose, the invention also adopts a technical scheme that: the water-based structural color anticorrosive paint comprises a component A and a component B, wherein the component A comprises 40-60 parts of epoxy resin, 1-5 parts of defoaming agent, 40-60 parts of antirust base material, 1-5 parts of rheological additive and 2-5 parts of structural color nano particles in parts by weight. The component B comprises 75-85 parts of epoxy curing agent, 20-35 parts of deionized water and 2-5 parts of flash rust prevention auxiliary agent.
The antirust base material comprises, by weight, 20-25 parts of a filler, 5-10 parts of deionized water, 5-10 parts of an antirust filler and 2-5 parts of a dispersant; wherein, the antirust filler is modified by aluminum tripolyphosphate and zinc phosphate to improve the anticorrosion performance of the coating. The fineness of the antirust base material is less than or equal to 25 um.
Compared with the prior art, the water-based structural color anticorrosive paint and the preparation method thereof have the beneficial effects that: the preparation process is simple, and has the advantages of stable color, environmental protection, easy construction, corrosion resistance, curing at normal temperature and the like; the paint has good waterproof and anticorrosive performance, can be directly coated on the surface of metal, and does not need matched primer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention relates to a preparation method of a water-based structural color anticorrosive paint, which comprises the steps of firstly synthesizing structural color nano particles, then ultrasonically dispersing the structural color nano particles in a silane coupling agent, then adding epoxy resin, fully dispersing, then sequentially adding a dispersing agent, a defoaming agent, a rheological additive and an anticorrosive base material to prepare a paint component A, and then adding a curing agent solution for mixing.
Example 1
The water-based structural color anticorrosive paint comprises a component A and a component B, wherein the component A comprises 45 parts of epoxy resin, 1 part of defoaming agent, 45 parts of antirust base material, 1 part of rheological additive, 3 parts of 232nm structural color nano particles and 5 parts of silane coupling agent in parts by weight. The component B comprises 75 parts of epoxy curing agent, 23 parts of deionized water and 2 parts of anti-flash rust additive.
The antirust base material comprises, by weight, 25 parts of filler, 6 parts of deionized water, 10 parts of antirust filler and 4 parts of dispersant.
The diameter range of the structural color nano particles is 100-400 nanometers. The fineness of the antirust base material is less than or equal to 25 um.
The preparation method of the water-based structural color anticorrosive paint comprises the following steps:
s1: synthesizing structural color nano particles: first synthesizing SiO 2 Seed solution, then SiO 2 Seed growth experiment, washing with water to obtain 232nm SiO 2 Structural color nanoparticles;
s2, preparation of antirust base stock: mixing the filler, the aluminum tripolyphosphate, the zinc phosphate and the dispersant, and grinding to 25 micrometers to obtain an antirust base material;
s3: the preparation method of the component A of the water-based structural color anticorrosive paint comprises the following steps: 3 parts of structural color nano particles prepared by S1 are ultrasonically dispersed in 5 parts of silane coupling agent, 45 parts of epoxy resin is added, and 1 part of defoaming agent, 45 parts of antirust base material and 1 part of rheological additive are sequentially added after full dispersion.
S4: the preparation method of the B component of the water-based structural color anticorrosive paint comprises the following steps: and fully mixing and uniformly dispersing 75 parts of epoxy curing agent, 23 parts of deionized water and 2 parts of flash rust prevention auxiliary agent.
S5: a, B components are mixed to obtain the water-based structural color anticorrosive paint.
The structural color nano particles can be any one of silicon dioxide, titanium dioxide, polystyrene and polymethyl methacrylate, and are replaced with each other.
Example 2
The water-based structural color anticorrosive paint comprises a component A and a component B, wherein the component A comprises 45 parts of epoxy resin, 1 part of defoaming agent, 45 parts of antirust base material, 1 part of rheological additive, 3 parts of 343nm structural color nano particles and 5 parts of silane coupling agent in parts by weight. The component B comprises 75 parts of epoxy curing agent, 23 parts of deionized water and 2 parts of flash rust prevention auxiliary agent.
The antirust base material comprises, by weight, 25 parts of filler, 6 parts of deionized water, 10 parts of antirust filler and 4 parts of dispersant.
The preparation method of the water-based structural color anticorrosive paint comprises the following steps:
s1: synthesizing structural color nano particles: first synthesizing SiO 2 Seed solution, then SiO 2 Seed growth experiment, and washing with water to obtain 343nm SiO 2 Structural color nanoparticles;
s2, preparation of antirust base stock: mixing the filler, the aluminum tripolyphosphate, the zinc phosphate and the dispersant, and grinding to 25 micrometers to obtain an antirust base material;
s3: the preparation method of the component A of the water-based structural color anticorrosive paint comprises the following steps: ultrasonically dispersing 3 parts of structural color nano particles prepared by S1 in 5 parts of silane coupling agent, then adding 45 parts of epoxy resin, and after full dispersion, sequentially adding 1 part of defoaming agent, 45 parts of antirust base material and 1 part of rheological additive;
s4: the preparation method of the B component of the water-based structural color anticorrosive paint comprises the following steps: and fully mixing and uniformly dispersing 75 parts of epoxy curing agent, 23 parts of deionized water and 2 parts of flash rust prevention auxiliary agent.
S5: a, B components are mixed to obtain the water-based structural color anticorrosive paint.
Example 3
The water-based structural color anticorrosive paint comprises a component A and a component B, wherein the component A comprises 60 parts of epoxy resin, 5 parts of defoaming agent, 60 parts of antirust base material, 5 parts of rheological additive, 5 parts of 232nm structural color nano particles and 5 parts of silane coupling agent in parts by weight. The component B comprises 85 parts of epoxy curing agent, 35 parts of deionized water and 5 parts of anti-flash rust additive.
The antirust base material comprises, by weight, 50 parts of filler, 5 parts of deionized water, 5 parts of antirust filler and 5 parts of dispersant.
The preparation method of the water-based structural color anticorrosive paint comprises the following steps:
s1: synthesizing structural color nano particles: synthesis of SiO 2 Seed solution, then SiO 2 Seed growth experiment, washing with water to obtain 232nm SiO 2 Structural color nanoparticles;
s2, preparation of antirust base stock: mixing filler, aluminum tripolyphosphate, zinc phosphate and a dispersing agent, and grinding to 25 micrometers to obtain an antirust base material;
s3: the preparation method of the component A of the water-based structural color anticorrosive paint comprises the following steps: ultrasonically dispersing 6 parts of structural color nano particles prepared by S1 in 10 parts of silane coupling agent, then adding 60 parts of epoxy resin, and after full dispersion, sequentially adding 5 parts of defoaming agent, 60 parts of antirust base material and 5 parts of rheological additive;
s4: the preparation method of the B component of the water-based structural color anticorrosive paint comprises the following steps: and the 75 parts of epoxy curing agent, 35 parts of deionized water and 5 parts of flash rust prevention auxiliary agent are fully mixed and uniformly dispersed.
S5: a, B components are mixed to obtain the water-based structural color anticorrosive paint.
Example 4
The water-based structural color anticorrosive paint comprises a component A and a component B, wherein the component A comprises 40 parts of epoxy resin, 1 part of defoaming agent, 40 parts of antirust base material, 2 parts of rheological additive, 2 parts of 232nm structural color nano particles and 3 parts of silane coupling agent in parts by weight. The component B comprises 75 parts of epoxy curing agent, 35 parts of deionized water and 5 parts of flash rust prevention auxiliary agent.
The antirust base material comprises, by weight, 25 parts of filler, 10 parts of deionized water, 5 parts of antirust filler and 2 parts of dispersant.
In this example, the preparation of the water-based structural color anticorrosive paint was similar to that of examples 1 to 3, except that the weight of each component was different.
Comparative example 1
The water-based structural color anticorrosive paint comprises a component A and a component B, wherein the component A comprises 45 parts of epoxy resin, 1 part of defoaming agent, 48 parts of antirust base material, 1 part of rheological additive and 5 parts of cosolvent in parts by weight. The component B comprises 75 parts of epoxy curing agent, 23 parts of deionized water and 2 parts of flash rust prevention auxiliary agent.
The antirust base material comprises, by weight, 25 parts of filler, 6 parts of deionized water, 13 parts of antirust filler and 4 parts of dispersant.
The preparation method of the water-based structural color anticorrosive paint comprises the following steps:
s1, preparation of antirust base stock: mixing the filler, the iron oxide red, the aluminum tripolyphosphate, the zinc phosphate and the dispersing agent, and grinding to 25 micrometers to obtain an antirust base material;
s2: the preparation method of the component A of the water-based structural color anticorrosive paint comprises the following steps: adding 45 parts of epoxy resin, 1 part of defoaming agent, 48 parts of antirust base material, 1 part of rheological additive and 5 parts of cosolvent;
s3: the preparation method of the component B of the water-based structural color anticorrosive paint comprises the following steps: 75 parts of epoxy curing agent, 23 parts of deionized water and 2 parts of flash rust prevention auxiliary agent are fully mixed and uniformly dispersed;
s4: a, B components are mixed to obtain the water-based structural color anticorrosive paint.
This comparative example differs from example 1 in that: the structural color nano particles in the component A are equivalently replaced by iron oxide red, and the silane coupling agent in the component A is equivalently replaced by an equivalent cosolvent (the cosolvent is a mixture of water and isopropanol, wherein the water is isopropanol, and the ratio of the isopropanol to the isopropanol is 1: 1).
The preparation method of the water-based structural color anticorrosive paint is the same as that of the example 1.
Comparative example 2
The water-based structural color anticorrosive paint comprises a component A and a component B, wherein the component A comprises 45 parts of epoxy resin, 1 part of defoaming agent, 48 parts of antirust base material, 1 part of rheological additive and 5 parts of cosolvent in parts by weight. The component B comprises 75 parts of epoxy curing agent, 23 parts of deionized water and 2 parts of flash rust prevention auxiliary agent.
The antirust base material comprises, by weight, 25 parts of filler, 6 parts of deionized water, 13 parts of antirust filler and 4 parts of dispersant.
The preparation method of the water-based structural color anticorrosive paint comprises the following steps:
s1, preparation of antirust base stock: mixing the filler, cobalt blue, aluminum tripolyphosphate, zinc phosphate and a dispersing agent, and grinding to 25 micrometers to obtain an antirust base material;
s2: the preparation method of the component A of the water-based structural color anticorrosive paint comprises the following steps: adding 45 parts of epoxy resin, 1 part of defoaming agent, 48 parts of antirust base material, 1 part of rheological additive and 5 parts of cosolvent;
s3: the preparation method of the component B of the water-based structural color anticorrosive paint comprises the following steps: 75 parts of epoxy curing agent, 23 parts of deionized water and 2 parts of anti-flash rust additive are fully mixed and uniformly dispersed;
s4: a, B is mixed to obtain the water-based structural color anticorrosive paint.
This comparative example differs from example 2 in that: the structural color nano particles in the component A are equivalently replaced by cobalt blue, and the silane coupling agent in the component A is equivalently replaced by an equivalent cosolvent (the cosolvent is a mixture of water and isopropanol, wherein the water is isopropanol which is 1: 1).
The preparation method of the water-based structural color anticorrosive paint is the same as that of the embodiment 2.
The coatings of examples 1-2 were sprayed onto metal surfaces (tinplate), and it was observed that the sprayed coatings could be self-dried without baking, resulting in energy savings in coating construction.
The coatings prepared in examples 1 to 4 and comparative examples 1 to 2 were subjected to performance tests according to the following standards: resistance to artificial weathering (GB/T14522-2008, GB/T1766-2008); salt fog resistance (GB/T1771-2007); drawing adhesion (GB/T5210-; an activation period (GB/T1770-2008); the data in table 1 were obtained.
TABLE 1
As can be seen from the results in table 1:
1. the artificial weathering resistance of the coatings prepared in examples 1 to 4 can reach 1000h, and the discoloration is less than or equal to 0 grade, and the artificial weathering resistance of the coatings prepared in comparative examples 1 to 2 can reach 1000h, and the discoloration is less than or equal to 2 grade. The addition of the visible structural color nano particles can obviously improve the color stability;
2. the salt spray resistance of the coatings prepared in examples 1-4 can reach 1000h, while the salt spray resistance (800h) of the coatings prepared in comparative examples 1-2 is improved by more than 25%;
3. the drawing adhesion of the coatings prepared in examples 1-4 all reached 10Mpa, which was almost the same as the drawing adhesion (9-11Mpa) of the coatings prepared in comparative examples 1-2;
the water-based structural color anticorrosive paint and the preparation method thereof have the advantages of simple preparation process, stable color, environmental protection, easy construction, corrosion resistance, curing at normal temperature and the like; the paint has good waterproof and anticorrosive performance, can be directly coated on the surface of metal, and does not need matched primer.
Of course, those skilled in the art will recognize that the above-described embodiments are illustrative only, and not intended to be limiting, and that changes and modifications may be made thereto without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A preparation method of a water-based structural color anticorrosive paint is characterized by comprising the following steps: firstly synthesizing structural color nano particles, then ultrasonically dispersing the structural color nano particles in a silane coupling agent, then adding epoxy resin, fully dispersing, then sequentially adding a dispersing agent, a defoaming agent, a rheological additive and an anticorrosive base material to prepare a coating A component, and then adding a curing agent solution for mixing.
2. The water-based structural color anticorrosive paint according to claim 1, characterized in that: the diameter range of the structural color nano particles is 100-400 nanometers.
3. The water-based structural color anticorrosive paint according to claim 1, characterized in that: the structural color nano particles are any one of silicon dioxide, titanium dioxide, polystyrene and polymethyl methacrylate.
4. The water-based structural color anticorrosive paint according to claim 1, characterized in that: the curing agent solution comprises a mixed solution of an epoxy curing agent, deionized water and an anti-flash rust auxiliary agent.
5. The water-based structural color anticorrosive paint according to claim 1, characterized in that: the specific preparation method of the water-based structural color anticorrosive paint comprises the following steps:
s1: synthesizing structural color nano particles: firstly, synthesizing a seed solution, then performing a seed growth experiment, and then washing to obtain structural color nanoparticles;
s2, preparation of antirust base stock: mixing the filler, the aluminum tripolyphosphate, the zinc phosphate and the dispersant, and grinding to obtain an antirust base material;
s3: preparing a component A of the water-based structural color anticorrosive paint: 3-6 parts of structural color nano particles prepared by S1 are ultrasonically dispersed in 5-10 parts of silane coupling agent, then 40-60 parts of epoxy resin is added, and after full dispersion, 1-5 parts of defoaming agent, 2-5 parts of dispersing agent, 40-60 parts of antirust base material and 1-5 parts of rheological additive are sequentially added;
s4: preparing a component B of the water-based structural color anticorrosive paint: 75-85 parts of epoxy curing agent, 20-35 parts of deionized water and 2-5 parts of anti-flash rust auxiliary agent;
s5: a, B components are mixed to obtain the water-based structural color anticorrosive paint.
6. The water-based structural color anticorrosive paint is characterized in that: the paint comprises a component A and a component B, wherein the component A comprises 40-60 parts of epoxy resin, 1-5 parts of defoaming agent, 40-60 parts of antirust base material, 1-5 parts of rheological additive and 2-5 parts of structural color nano particles in parts by weight. The component B comprises 75-85 parts of epoxy curing agent, 20-35 parts of deionized water and 2-5 parts of flash rust prevention auxiliary agent.
7. The aqueous structural color anticorrosive paint according to claim 6, characterized in that: the antirust base material comprises 20-25 parts of filler, 5-10 parts of deionized water, 5-10 parts of antirust filler and 2-5 parts of dispersant; wherein the antirust filler is antirust modified by aluminum tripolyphosphate and zinc phosphate.
8. The aqueous structural color anticorrosive paint according to claim 6, characterized in that: the fineness of the antirust base material is less than or equal to 25 um.
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| CN113861801A (en) * | 2021-10-23 | 2021-12-31 | 胜利油田方圆防腐材料有限公司 | Anti-corrosion coating in oilfield sewage storage tank and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109575753A (en) * | 2018-12-10 | 2019-04-05 | 安庆市华璞环保材料科技有限责任公司 | One kind is for steel surface water-base epoxy type anticorrosive paint and preparation method thereof |
| CN113544218A (en) * | 2019-03-12 | 2021-10-22 | 巴斯夫涂料有限公司 | Automotive coatings with non-spherical photonic structured colorants |
| CN110054933A (en) * | 2019-04-28 | 2019-07-26 | 浙江理工大学 | A kind of color easy-regulating and the good liquid photonic crystal structure color paint ink of stain resistant and preparation method thereof |
| CN110938350A (en) * | 2019-12-11 | 2020-03-31 | 山东七维新材料有限公司 | Epoxy primer for rail transit and preparation method thereof |
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Application publication date: 20220830 |