CN116445047A - Low-carbon renewable surface coating, preparation method and application - Google Patents
Low-carbon renewable surface coating, preparation method and application Download PDFInfo
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- 239000011248 coating agent Substances 0.000 title claims abstract description 63
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- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 33
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229920006025 bioresin Polymers 0.000 claims abstract description 21
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 16
- 239000010703 silicon Substances 0.000 claims abstract description 16
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 14
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- HMMGMWAXVFQUOA-UHFFFAOYSA-N octamethylcyclotetrasiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 HMMGMWAXVFQUOA-UHFFFAOYSA-N 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
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- 239000011253 protective coating Substances 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
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Classifications
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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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
-
- 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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
-
- 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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
-
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention relates to a low-carbon renewable surface coating, a preparation method and application thereof, wherein the surface coating consists of, by mass, 10% -55% of aqueous organic silicon resin, 10% -20% of silica gel, 10% -40% of bio-based resin, 10% -20% of curing agent and 15% -17% of auxiliary agent. According to the technical scheme, the organic-inorganic hybrid silicon structure and the bio-based resin block are integrated, so that the coating can be ensured to be durable and effective, the coating is suitable for surfaces of various materials, automotive interior parts cannot be damaged, the coating is economical, environment-friendly, non-toxic, pollution-free and residue-free, meanwhile, the low-carbon requirement in the automotive production process is met, the preparation process is simple, the bio-based raw materials are environment-friendly and low-carbon, the coating can be kept for a long time, and stains are removed without scratches.
Description
Technical Field
The invention belongs to the technical field of coatings, and particularly relates to a low-carbon renewable surface coating, a preparation method and application thereof.
Background
With the continuous deepening of global industrialization process, the consumption of earth resources is continuously increased by mass production and use of various materials, and renewable materials meeting environmental protection policies and double carbon targets become a topical subject in the field of sustainable development. One of the important ways of reducing carbon in the automotive industry is to continuously push the utilization of renewable materials, without damaging the balance of the environment and the natural resource system.
At present, the environmental requirements of the automobile market on interior decoration are continuously improved, the health attention of customers on materials in the cabin is continuously increased, and the organic silicon material has the characteristics of high hardness, high brightness and wear resistance, but has insufficient viscosity and poor water solubility.
At present, most of commonly used organic silicon coatings are solvent-based, contain a large amount of toluene, ethyl acetate and other organic solvents, the application of a large amount of solvents, the concentration is too high or residues brought after improper use can bring adverse effects to the environment, and a large amount of organic pollutant molecules can volatilize after the coatings are dried to cause environmental pollution, so that energy conservation and emission reduction are not facilitated, meanwhile, potential safety hazards of the residues exist, health risks of skin contact allergy or respiratory tract allergy exist, and meanwhile, serious pollution and potential safety hazards are caused to production environment by using a large amount of solvents, so that the purposes of environmental protection and carbon reduction cannot be realized from the source.
In order to overcome the problems, the prior art proposes a water-based organosilicon coating which is obtained by adopting octamethyl cyclotetrasiloxane and a coupling agent to carry out ring-opening polymerization, a large amount of free volatile oligomers exist in the product, the adhesion condition of the coating and a base material is poor, the weather resistance and scratch resistance do not meet the requirements, and the requirements of the organic matter emission on environmental protection are also met.
Disclosure of Invention
The invention aims to provide a low-carbon renewable surface coating, a preparation method and application thereof, so as to solve the problems of the conventional organosilicon coating.
In order to achieve the above purpose, the present application is implemented by the following technical schemes:
the low-carbon renewable surface coating consists of, by mass, 10% -55% of aqueous organic silicon resin, 10% -20% of silica gel, 10% -40% of bio-based resin, 10% -20% of curing agent and 15% -17% of auxiliary agent.
Further, the bio-based resin is a combination of more than one of a bio-based urethane material, a bio-based acrylic material or a bio-based epoxy resin material.
Further, if the bio-based resin is a bio-based urethane material and a bio-based acrylic material, the mass ratio is 1:1-1:4, a step of; the mass ratio of the bio-based acrylic material to the bio-based epoxy resin material is 4:1-2:1, a step of; the mass ratio of the bio-based urethane material to the bio-based epoxy resin material is 1:1-1:3, a step of; the mass ratio of the bio-based urethane material, the bio-based acrylic material and the bio-based epoxy resin material is 2-4:2-8:1-3.
Further, the aqueous organic silicon resin and the silica gel form a composite hybrid silicon structure.
Further, the composite hybrid silicon structure and the bio-based resin block are fused into an integral structure.
Further, the auxiliary agent at least comprises one or more of a sterilizing mildew inhibitor, a solubilizer, a dispersing agent, a defoaming agent, a curing agent, a drier, a crosslinking agent, a thickening agent, a modifying auxiliary agent or an ionic solvent.
The preparation method of the low-carbon renewable surface coating comprises the following components, by mass, 10% -55% of aqueous organic silicon resin, 10% -20% of silica gel, 10% -40% of bio-based resin, 10% -20% of curing agent and 15% -17% of auxiliary agent, adding the components into a reaction kettle, stirring for 1-2 hours at a constant temperature of 40-60 ℃ in a water bath, and naturally cooling to room temperature to obtain the low-carbon renewable surface coating.
Use of the low carbon renewable surface coating of any of the above for automotive cabin surface coating.
Furthermore, the surface coating of the automobile cabin is formed by uniformly spraying more than two layers of low-carbon renewable surface coatings.
Further, in the two or more layers of the low-carbon renewable surface coating material, the content of the bio-based resin in the low-carbon renewable surface coating material increases by extending from the inner layer to the outer layer.
The beneficial effects of the invention are as follows:
according to the technical scheme, the organic-inorganic hybrid silicon structure and the bio-based resin block are integrated, so that the coating can be ensured to be durable and effective, the coating is suitable for surfaces of various materials, automotive interior parts cannot be damaged, the coating is economical, environment-friendly, non-toxic, pollution-free and residue-free, meanwhile, the low-carbon requirement in the automotive production process is met, the preparation process is simple, the bio-based raw materials are environment-friendly and low-carbon, the coating can be kept for a long time, and stains are removed without scratches.
Detailed Description
The following examples are given by way of illustration only and are not to be construed as limiting the scope of the invention.
The technical scheme provides the low-carbon renewable surface coating, which is applied to a coating of an automobile cabin, has the functions of efficient, stable and durable decontamination and scratch-resistant interior surface maintenance, has extremely excellent use safety, can be applied to automobile cabin interior, can be applied to other public transportation scenes (buses, subways, airplanes and the like), effectively eliminates the adverse effect of pollution or collision scratch on the interior surface in the use process, improves the comfort level of the cabin and reduces the maintenance requirement.
In use, the coating is usually two or three layers, preferably three layers, if the coating is more than three layers, the coating can be too thick, the strength of the coating is reduced, and in addition, the cost is uneconomical, if the coating is two layers, the scratch-resistant effect is not as good as that of the three layers.
In practical use, the thickness of the coating layer of the inner layer is generally smaller than the thickness of the other layers, because if the thickness of the inner layer is greater than the thickness of the other layers, the overall strength of the coating layer is also affected, and if the coating layer is three layers, the thickness of the intermediate coating layer is the largest.
In the technical scheme of the application, the composition of the used low-carbon renewable surface coating is the same no matter a two-layer coating or a three-layer coating is adopted, and the difference is that the amount of the bio-based resin in the composition gradually increases from the inner layer to the outer layer, namely when the coating is two layers, the amount of the bio-based resin in the inner layer is smaller than that of the bio-based resin in the outer layer; when the coating is three layers, the amount of the bio-based resin of the inner layer, the middle layer and the outer layer is gradually increased, and the difference of the amount of the bio-based resin of the adjacent two layers is less than 5%. The low-carbon renewable surface coating has different amounts of bio-based resin, is used for improving the overall strength of the coating, ensures the relative toughness, and can be combined with the surface of an automobile cabin while ensuring the overall strength.
Example 1
According to mass percent, 28 percent of bio-based acrylic resin, 25 percent of water-based organic silicon resin, 15 percent of silica gel, 0.3 percent of sterilization mildew inhibitor, 2 percent of solubilizer, 1.2 percent of dispersing agent, 1.2 percent of thickening agent, 3 percent of modifying auxiliary agent, 7.3 percent of deionized water and 17 percent of curing agent are added into a reaction kettle, stirred for 1 hour in a constant-temperature water bath at 40 ℃, and then naturally cooled to room temperature to obtain the low-carbon renewable surface coating P1.
Example 2
According to the mass percentage, 31 percent of bio-based acrylic resin, 24 percent of water-based organic silicon resin, 15 percent of silica gel, 0.3 percent of sterilization mildew inhibitor, 2 percent of solubilizer, 1.2 percent of dispersing agent, 1.2 percent of thickening agent, 3 percent of modifying auxiliary agent, 5.3 percent of deionized water and 17 percent of curing agent are added into a reaction kettle, stirred for 1 hour in a constant-temperature water bath at 40 ℃, and then naturally cooled to room temperature to obtain the low-carbon renewable surface coating P2.
Example 3
According to the mass percentage, 35 percent of bio-based acrylic resin, 20 percent of water-based organic silicon resin, 15 percent of silica gel, 0.3 percent of sterilization mildew inhibitor, 2 percent of solubilizer, 1.2 percent of dispersing agent, 1.2 percent of thickening agent, 3 percent of modifying auxiliary agent, 5.3 percent of deionized water and 17 percent of curing agent are added into a reaction kettle, stirred for 1 hour in a constant-temperature water bath at 40 ℃, and then naturally cooled to room temperature to obtain the low-carbon renewable surface coating P3.
In the three embodiments, the water-based organic silicon and the silica gel are hybridized into an organic-inorganic silicon structure, the hydroxyl end of the water-based organic silicon and the acrylic resin are combined into a block polymer through chemical bonds, and the block polymer and the curing agent are subjected to crosslinking reaction, so that the advantages of the water-based organic silicon and the silica gel are effectively combined, the surface of the coating forms a hydrophobic structure, and the surface energy of the coating can be effectively reduced. In use, when the coating is two layers, the inner layer can use P1 or P2, and correspondingly, the outer layer uses P2 or P3, and when the coating is three layers, P1, P2 and P3 are used for spraying from inside to outside.
Example 4
According to the mass percentage, 25% of bio-based polyester resin, 25% of water-based organic silicon resin, 9% of silica gel, 15% of hydroxyl acrylic polyester and 5% of acrylic polyol resin are mixed; 0.4% of sterilizing mildew inhibitor, 0.1% of defoaming agent, 19% of curing agent, 0.4% of drier and 1.1% of cross-linking agent are added into a reaction kettle, stirred for 1 hour in a constant temperature water bath at 60 ℃, and then naturally cooled to room temperature to obtain the low-carbon renewable surface coating P4.
Example 5
26% of bio-based polyester resin, 25% of water-based organic silicon resin, 9% of silica gel, 14% of hydroxyl acrylic polyester and 5% of acrylic polyol resin; 0.4% of sterilizing mildew inhibitor, 0.1% of defoaming agent, 19% of curing agent, 0.4% of drier and 1.1% of cross-linking agent are added into a reaction kettle, stirred for 1 hour in a constant temperature water bath at 60 ℃, and then naturally cooled to room temperature to obtain the low-carbon renewable surface coating P5.
Example 6
28% of bio-based polyester resin, 25% of water-based organic silicon resin, 9% of silica gel, 15% of hydroxyl acrylic polyester and 5% of acrylic polyol resin; 0.4% of sterilizing mildew inhibitor, 0.1% of defoaming agent, 16% of curing agent, 0.4% of drier and 1.1% of cross-linking agent are added into a reaction kettle, stirred for 1 hour in a constant temperature water bath at 60 ℃, and then naturally cooled to room temperature to obtain the low-carbon renewable surface coating P6.
In the above examples 4 to 6, the organosilicon and the bio-based polyester resin are combined into a block polymer through chemical bonds, so that the surface migration of the organosilicon molecular chain and the microscopic morphology of the organosilicon are controlled to a certain extent, an aqueous dispersion is formed, and the composite high-efficiency anti-fouling anti-scratch multifunctional protective coating is obtained after drying.
The adhesive force test is carried out by adopting DIN EN ISO 2049 standard of hundred-grid test, the grade result is qualified when the grade result is less than 1, the grade result is unqualified when the grade result is equal to or greater than 1, and the representing effect is worse when the grade number is larger. (2) And the abrasion resistance test is carried out by adopting an abrasion resistance instrument, wherein the size of the cross grid is 40mm or more, the test load is 10N, the speed is 1000mm/min, and the diameter of the cutter is 1mm. After scraping is finished, in the cross grid area, the color difference delta L change before and after the scraping area is measured under a D65 light source, wherein the delta L is less than or equal to 2.0 levels and meets the standard, and the larger the level number is, the worse the representative effect is. (3) And (3) light aging resistance test, namely placing the sample in a xenon light instrument, wherein the light requirement is as follows: black standard temperature (100+ -3) deg.C; sample chamber temperature (65+ -3) deg.C; sample chamber relative air humidity (20±10%; the irradiation intensity (420 nm) is 1.2W/m < 2 >, the irradiation amount is regarded as a primary illumination period, such as Ci4000 type xenon photometer=280 KJ/m < 2 > (420 nm), the aging test of 5-period atmosphere lamps is carried out, the larger the number of the steps is, and the worse the representing effect is; and the gray scale is more than or equal to 4, and whether the surface has the problems of bubbles, cracks, chalking and the like is observed. (4) The environment alternating test is that the test is carried out for 8 cycles, wherein one cycle comprises heating to 80 ℃ for 60min and 80% of humidity; keeping the temperature at 80 ℃ for 240min and the humidity at 80%; cooling to-40deg.C for 120min, and humidity of 30%; keeping at-40deg.C for 240 min; the temperature is raised to 23 ℃ after 60min, and the humidity is 30%. The samples were tested using the DIN EN ISO 2049 standard of the hundred-grid test to obtain a grade result, with the higher the number of grades, the poorer the representative effect. Scratch resistance was tested with a 0.75mm head 10N Newton pen (model 318S). (5) odor test: no water is added into the 1L container, the container is stored at 80+/-2 ℃ for 2 h+/-10 min: the test judgment is completed by more than 5 persons, the average value of the judgment values is taken, and the grading standard is as follows: 1 is an intolerable odor; 2 is a strong interfering odor; 3 is an interfering odor; 4 is obvious smell, but has no interference; 5 is odorous but non-interfering; 6 is odorless.
The foregoing disclosure is merely illustrative of some embodiments of the present application and the present application is not limited thereto, as variations may be envisioned by those skilled in the art and are within the scope of the present application.
Claims (10)
1. The low-carbon renewable surface coating is characterized by comprising, by mass, 10% -55% of aqueous organic silicon resin, 10% -20% of silica gel, 10% -40% of bio-based resin, 10% -20% of curing agent and 15% -17% of auxiliary agent.
2. The low carbon renewable surface coating of claim 1, wherein the bio-based resin is a combination of one or more of a bio-based urethane material, a bio-based acrylic material, or a bio-based epoxy material.
3. The low carbon renewable surface coating of claim 2, wherein if the biobased resin is a biobased urethane material in combination with a biobased acrylic material, the mass ratio is 1:1-1:4, a step of; the mass ratio of the bio-based acrylic material to the bio-based epoxy resin material is 4:1-2:1, a step of; the mass ratio of the bio-based urethane material to the bio-based epoxy resin material is 1:1-1:3, a step of; the mass ratio of the bio-based urethane material, the bio-based acrylic material and the bio-based epoxy resin material is 2-4:2-8:1-3.
4. The low carbon renewable surface coating of claim 1, wherein the aqueous silicone resin and silicone gel form a composite hybrid silicone structure.
5. The low carbon renewable surface coating according to claim 4, wherein the composite hybrid silicon structure is fused with the bio-based resin block into a unitary structure.
6. The low-carbon renewable surface coating according to claim 1, wherein the auxiliary comprises at least one or more of a bactericidal mildewproof agent, a solubilizer, a dispersant, a defoamer, a curing agent, a drier, a crosslinking agent, a thickener, a modifying auxiliary or an ionic solvent.
7. The preparation method of the low-carbon renewable surface coating is characterized by comprising the following components, by mass, 10% -55% of aqueous organic silicon resin, 10% -20% of silica gel, 10% -40% of bio-based resin, 10% -20% of curing agent and 15% -17% of auxiliary agent, adding the components into a reaction kettle, stirring for 1-2 hours at a constant-temperature water bath of 40-60 ℃, and naturally cooling to room temperature to obtain the low-carbon renewable surface coating.
8. Use of the low-carbon renewable surface coating according to any of the preceding claims 1 to 7 for automotive cabin surface coating.
9. The use according to claim 8, wherein the cabin surface coating is uniformly sprayed from more than two layers of low carbon renewable surface coating.
10. The use according to claim 9, wherein the content of bio-based resin in the low-carbon renewable surface coating increases in more than two layers of the low-carbon renewable surface coating extending from the inner layer to the outer layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310400580.2A CN116445047A (en) | 2023-04-14 | 2023-04-14 | Low-carbon renewable surface coating, preparation method and application |
Applications Claiming Priority (1)
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| CN202310400580.2A CN116445047A (en) | 2023-04-14 | 2023-04-14 | Low-carbon renewable surface coating, preparation method and application |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106590324A (en) * | 2015-10-15 | 2017-04-26 | 天津市硅酸盐研究所有限公司 | Technology research and development of organic and inorganic composite silicon steel plate insulating paint |
| CN112300703A (en) * | 2020-11-16 | 2021-02-02 | 北京红狮科技发展有限公司 | Water-based bio-based climbing frame coating and preparation method thereof |
| CN114621646A (en) * | 2020-12-14 | 2022-06-14 | 立邦工业涂料(上海)有限公司 | Transparent coating composition for stainless steel coiled material and preparation method thereof |
| CN115895373A (en) * | 2022-11-14 | 2023-04-04 | 金华市美林涂料有限公司 | Outdoor wood lacquer containing inorganic resin and preparation method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106590324A (en) * | 2015-10-15 | 2017-04-26 | 天津市硅酸盐研究所有限公司 | Technology research and development of organic and inorganic composite silicon steel plate insulating paint |
| CN112300703A (en) * | 2020-11-16 | 2021-02-02 | 北京红狮科技发展有限公司 | Water-based bio-based climbing frame coating and preparation method thereof |
| CN114621646A (en) * | 2020-12-14 | 2022-06-14 | 立邦工业涂料(上海)有限公司 | Transparent coating composition for stainless steel coiled material and preparation method thereof |
| CN115895373A (en) * | 2022-11-14 | 2023-04-04 | 金华市美林涂料有限公司 | Outdoor wood lacquer containing inorganic resin and preparation method thereof |
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