CN111944340A - Salt-fog-resistant antirust coating - Google Patents
Salt-fog-resistant antirust coating Download PDFInfo
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- CN111944340A CN111944340A CN202010850000.6A CN202010850000A CN111944340A CN 111944340 A CN111944340 A CN 111944340A CN 202010850000 A CN202010850000 A CN 202010850000A CN 111944340 A CN111944340 A CN 111944340A
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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
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D413/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
- C07D413/14—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing three or more hetero rings
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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
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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
- C09D7/63—Additives non-macromolecular organic
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Abstract
The invention discloses a salt spray resistant antirust coating which comprises the following raw materials in parts by weight: 55-65 parts of acrylate resin, 15-20 parts of calcium carbonate, 4-7 parts of barium sulfate, 10-20 parts of pigment and filler, 0.5-2 parts of Schiff base salt spray resistant auxiliary agent, 1-1.5 parts of dispersing agent, 1-1.5 parts of antioxidant and 35-50 parts of acetone; the developed Schiff base salt mist-resistant auxiliary agent is added and applied to the coating, and the coating is coated on the metal surface, so that the adsorption effect can be generated on the metal surface to further form a stable protective film, the coating has a good corrosion prevention effect on a metal substrate, the salt mist-resistant and rust-proof capability of the coating is greatly improved, and the metal substrate can be protected from corrosion for a long time.
Description
Technical Field
The invention belongs to the technical field of coatings, and particularly relates to a salt spray resistant antirust coating.
Background
In salt-containing environments such as seawater or high temperature/humidity environments or outdoor metal-based facilities, metal facilities are susceptible to corrosion rust stains, resulting in a significantly deteriorated appearance of the substrate metal surface or a reduction in rust inhibitive ability. The existing anticorrosive powder coating mainly improves the anticorrosive capacity of the powder coating by base resin and using antirust pigment and filler, and when the anticorrosive requirement is higher, a construction method of thick coating, multi-coating or composite coating is adopted to realize the anticorrosive purpose of the coating, but the antirust capacity of metal cannot be maintained stably for a long time by the physical overlapping and thick coating mode.
Disclosure of Invention
The invention aims to provide a salt spray-resistant antirust coating, which is added with a developed Schiff base salt spray-resistant auxiliary agent, is added into the coating and applied to the surface of metal, can generate adsorption on the surface of the metal to form a stable protective film, has a good anticorrosion effect on the metal substrate, greatly improves the salt spray-resistant antirust capability of the coating, and can permanently protect the metal substrate from corrosion.
The purpose of the invention can be realized by the following technical scheme:
the salt spray resistant antirust coating comprises the following raw materials in parts by weight: 55-65 parts of acrylate resin, 15-20 parts of calcium carbonate, 4-7 parts of barium sulfate, 10-20 parts of pigment and filler, 0.5-2 parts of Schiff base salt spray resistant auxiliary agent, 1-1.5 parts of dispersing agent, 1-1.5 parts of antioxidant and 35-50 parts of acetone.
Furthermore, the pigment and filler is one of zinc chrome yellow and zinc phosphate.
Further, the preparation method of the Schiff base salt-fog-resistant auxiliary agent specifically comprises the following steps:
s1, weighing 0.20-0.21mol of 2-aminobenzimidazole, 0.1mol of terephthalaldehyde and 2-2.3g of acid catalyst, adding the materials into a reaction bottle, adding 500ml of absolute ethyl alcohol serving as a solvent, heating to 80 ℃ while stirring, preserving heat, refluxing for reaction for 3-4 hours, naturally cooling to room temperature after the reaction is finished, rotationally evaporating to remove the ethyl alcohol, recrystallizing with absolute ethyl ether, and drying to obtain an intermediate N1;
s2, weighing 50mmol of intermediates N1, 102-105mmol of 5-sodium chloropentanoate and 500ml of 75% ethanol solution, adding into a reaction bottle, heating to 80-85 ℃ while stirring, stirring for reaction for 3-4h, dropwise adding 30-40% hydrochloric acid solution into the reaction solution after the reaction is finished, rotationally evaporating to remove the solvent after the pH of the reaction solution is stabilized within the range of 2.5-3.0, adding the crude product into 5% hydrochloric acid solution for acid washing, washing with water, and drying to obtain an intermediate N2;
s3, weighing 20mmol of intermediate N2 and 41-45mmol of semicarbazide hydrochloride, adding 100ml of polyphosphoric acid, transferring the reaction bottle to an oil bath pot, keeping the temperature and stirring at 75-80 ℃ for reaction for 5-6h, naturally cooling to room temperature after the reaction is finished, placing the reaction bottle in a cold salt bath, adding 35-40% by mass of NaOH aqueous solution into the reaction solution, adjusting the pH of the reaction solution to 8.5-9.5, performing suction filtration, recrystallizing by using absolute ethyl alcohol, placing in a refrigerator at 0-5 ℃ overnight, and then filtering and drying to obtain an intermediate N3;
s4, weighing 10mmol of intermediate N3 prepared in the step S3, 20.5-21mmol of 1-naphthaldehyde or 2-bromo-1-naphthaldehyde and 50-70mg of acid catalyst, adding the mixture into a reaction bottle, adding 100ml of DMF solvent, stirring and heating to 85-90 ℃, keeping the temperature for reaction for 4-5h, after the reaction is finished, naturally cooling to room temperature, rotationally evaporating to remove ethanol, recrystallizing by using absolute ethanol, and drying to obtain the Schiff base salt spray resistant auxiliary agent with the structure of the formula N.
Further, the acid catalysts described in steps S1 and S4 are both phosphotungstic acid.
Further, in step S2, the preparation method of sodium 5-chloropentanoate comprises: weighing 25g of 5-chloropentanoic acid into a reaction bottle, adding 300ml of absolute ethyl alcohol, stirring for dissolving, adding 12-15g of sodium carbonate, transferring the reaction bottle into a water bath kettle at the temperature of 45-50 ℃ after the addition is finished, stirring for about 2-3h till no bubbles exist, and performing suction filtration to obtain the 5-sodium chloropentanoic acid.
Further, the acrylate resin is one of methyl acrylate, ethyl acrylate, n-butyl acrylate, methyl methacrylate and n-butyl methacrylate.
Further, the dispersant is one of polysiloxane, sodium polyacrylate and polyacrylamide.
Further, the antioxidant is antioxidant BHT.
The invention has the beneficial effects that:
the invention provides a salt-fog-resistant antirust coating which can be applied to coating outdoor facilities such as outdoor building materials, square buildings, engineering machinery and the like in coastal climate areas, and the prepared Schiff base salt-fog-resistant auxiliary agent contains a high-activity-C (carbon) N-structure, wherein N atoms of a plane triangular hybridization track belong to sp2 hybridization and have lone pair electrons, and the hybridization track is easy to deform and interact with metal, so that the prepared Schiff base salt-fog-resistant antirust coating has a good anticorrosion effect on a metal substrate; in addition, in the Schiff base salt spray resistant auxiliary agent with the structure of the formula N, the-C-N-structure in benzimidazole and oxadiazole rings is relatively stable due to ring forming reasons, four equivalents of Schiff base are dispersed outside the rings, but the-C-N-structure dispersed outside the rings is connected with aromatic rings, and further the-C-N-structure dispersed outside the rings can exist stably; the Schiff base-C-N pi electrons can enter the empty d orbit of the metal, and the pi orbit can also receive the d electrons of the metal to form a feedback bond, so that Schiff base salt spray resistant auxiliary agent molecules can be effectively adsorbed on the metal surface, therefore, the prepared Schiff base salt spray resistant auxiliary agent contains a large amount of stable Schiff base structures, and the Schiff base salt spray resistant auxiliary agent is added into the coating and applied to the metal surface, can be adsorbed on the metal surface to form a stable protective film, has a good anticorrosion effect on the metal substrate, greatly improves the salt spray resistant antirust capacity of the coating, and can durably protect the metal substrate from corrosion.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a scheme showing the synthesis of intermediate N3 according to the present invention;
FIG. 2 is a flow chart of the synthesis of Schiff base salt spray resistant auxiliary agent of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
Example 1
Referring to fig. 1, the preparation of intermediate N3 specifically included the following steps:
s1, weighing 0.21mol of 2-aminobenzimidazole, 0.1mol of terephthalaldehyde and 2.2g of acid catalyst phosphotungstic acid, adding the weighed materials into a reaction bottle, adding 500ml of absolute ethyl alcohol into the reaction bottle, heating the mixture to 80 ℃ while stirring, preserving heat, performing reflux reaction for 4 hours, naturally cooling the mixture to room temperature after the reaction is finished, performing rotary evaporation to remove the ethyl alcohol, recrystallizing the mixture by using absolute ethyl ether, and drying the recrystallized product to obtain an intermediate N1; the yield is 84.5%;
the detection result is that the following substances are obtained by GC-MS: intermediate N1 (C)22H16N6) Has a molecular weight of 364.154.
S2, weighing 50mmol of intermediate N1, 105mmol of 5-sodium chloropentanoate and 500ml of 75% ethanol solution, adding into a reaction bottle, heating to 85 ℃ while stirring, stirring for reaction for 3 hours, dropwise adding 35% hydrochloric acid solution into the reaction solution after the reaction is finished, rotationally evaporating to remove the solvent after the pH of the reaction solution is stabilized within the range of 2.5-3.0, putting the crude product into 5% hydrochloric acid solution for acid washing, washing with water, and drying to obtain intermediate N2, wherein the yield is 71.7%;
the detection result is that the following substances are obtained by GC-MS: intermediate N2 (C)32H32N6O4) Has a molecular weight of 564.253;
the preparation method of the sodium 5-chloropentanoate comprises the following steps: weighing 25g of 5-chloropentanoic acid into a reaction bottle, adding 300ml of absolute ethyl alcohol, stirring for dissolving, adding 12-15g of sodium carbonate, transferring the reaction bottle into a water bath kettle at the temperature of 45-50 ℃ after the addition is finished, stirring for about 2-3h till no bubbles exist, and performing suction filtration to obtain the 5-sodium chloropentanoic acid.
S3, weighing 20mmol of intermediate N2 and 41-45mmol of semicarbazide hydrochloride, adding 100ml of polyphosphoric acid, transferring the reaction bottle to an oil bath pot, keeping the temperature and stirring at 75-80 ℃ for reaction for 5-6h, naturally cooling to room temperature after the reaction is finished, placing the reaction bottle in a cold salt bath, adding 35-40% by mass of NaOH aqueous solution into the reaction solution, adjusting the pH of the reaction solution to 8.5-9.5, performing suction filtration, recrystallizing by using absolute ethyl alcohol, placing in a refrigerator at 0-5 ℃ overnight, filtering, and drying to obtain an intermediate N3 with the yield of 65.7%;
the detection result is that the following substances are obtained by GC-MS: intermediate N2 (C)34H34N12O2) Has a molecular weight of 642.297;
example 2
Referring to fig. 2, the preparation method of the schiff base salt spray-resistant auxiliary agent comprises: weighing 10mmol of intermediate N3 prepared in example 1, 20.5mmol of 1-naphthaldehyde and 60mg of acid catalyst phosphotungstic acid, adding the intermediate N3, 20.5mmol of 1-naphthaldehyde and 60mg of acid catalyst phosphotungstic acid into a reaction bottle, adding 100ml of DMF solvent, heating to 90 ℃ while stirring, preserving heat for reaction for 5 hours, naturally cooling to room temperature after the reaction is finished, rotationally evaporating to remove ethanol, recrystallizing by absolute ethyl alcohol, and drying to obtain the Schiff base salt spray resistant auxiliary agent with the structure of formula N1; the yield is 68.2%;
the detection result is that the following substances are obtained by GC-MS: schiff base salt spray resistant auxiliary N1 (C)56H46N12O2) has a molecular weight of 918.049.
Example 3
Referring to fig. 2, the preparation method of the schiff base salt spray-resistant auxiliary agent comprises: weighing 10mmol of intermediate N3 prepared in example 1, 21mmol of 2-bromo-1-naphthaldehyde and 70mg of acid catalyst phosphotungstic acid, adding the intermediate N3, 21mmol of 2-bromo-1-naphthaldehyde and 70mg of acid catalyst phosphotungstic acid into a reaction bottle, adding 100ml of DMF (dimethyl formamide) solvent, heating to 90 ℃ while stirring, preserving heat for reaction for 5 hours, naturally cooling to room temperature after the reaction is finished, rotationally evaporating to remove ethanol, recrystallizing by using absolute ethanol, and drying to obtain the Schiff base salt spray resistant auxiliary agent with the structure of formula N2; the yield is 57.2%;
the detection result is that the following substances are obtained by GC-MS: schiff base salt spray resistant auxiliary N2 (C)56H44Br2N12O2) Has a molecular weight of 1076.215.
Example 4
The invention relates to a salt spray resistant antirust coating which comprises the following raw materials in parts by weight: 60g of acrylate resin, 15g of calcium carbonate, 6g of barium sulfate, 20g of pigment filler, 0.5g of Schiff base salt spray resistant auxiliary agent N1, 1g of dispersing agent, 1g of antioxidant and 40g of acetone;
the acrylate resin is methyl acrylate;
the pigment and filler is zinc chrome yellow;
the dispersing agent is polysiloxane;
the antioxidant is antioxidant BHT;
preparing the salt spray-resistant antirust coating: sequentially adding acetone, acrylate resin, calcium carbonate, barium sulfate, a dispersing agent, an antioxidant and pigment filler in component amounts into a mixing barrel, stirring and mixing uniformly, adding into a homogenizer for dispersing for 5min, then adding Schiff base salt spray resistant auxiliary agent N1, stirring uniformly, and grinding for 1h at the rotating speed of 2000r/min to obtain the salt spray resistant antirust coating.
Example 5
The invention relates to a salt spray resistant antirust coating which comprises the following raw materials in parts by weight: 55g of acrylate resin, 20g of calcium carbonate, 4g of barium sulfate, 15g of pigment filler, 1g of Schiff base salt spray resistant auxiliary agent N1, 1.5g of dispersing agent, 1.5g of antioxidant and 35g of acetone;
the acrylate resin is methyl methacrylate;
the pigment and filler is zinc phosphate;
the dispersant is sodium polyacrylate;
the antioxidant is antioxidant BHT;
preparing the salt spray-resistant antirust coating: sequentially adding acetone, acrylate resin, calcium carbonate, barium sulfate, a dispersing agent, an antioxidant and pigment filler in component amounts into a mixing barrel, stirring and mixing uniformly, adding into a homogenizer for dispersing for 10min, then adding Schiff base salt spray resistant auxiliary agent N1, stirring uniformly, and grinding at the rotating speed of 1800r/min for 1h to obtain the salt spray resistant antirust coating.
Example 6
The invention relates to a salt spray resistant antirust coating which comprises the following raw materials in parts by weight: 65g of acrylate resin, 17g of calcium carbonate, 7g of barium sulfate, 10g of pigment filler, 2g of Schiff base salt spray resistant auxiliary agent N2, 1g of dispersing agent, 1g of antioxidant and 45g of acetone;
the acrylic ester resin is n-butyl methacrylate;
the pigment and filler is zinc phosphate;
the dispersant is polyacrylamide;
the antioxidant is antioxidant BHT;
preparing the salt spray-resistant antirust coating: sequentially adding acetone, acrylate resin, calcium carbonate, barium sulfate, a dispersing agent, an antioxidant and pigment filler in component amounts into a mixing barrel, stirring and mixing uniformly, adding into a homogenizer for dispersing for 8min, then adding Schiff base salt spray resistant auxiliary agent N2, stirring uniformly, and grinding for 1h at a rotating speed of 1600r/min to obtain the salt spray resistant antirust coating.
Comparative example 1
The procedure of example 4 was repeated except that no Schiff base salt spray-resistant aid was added.
The coatings prepared in examples 4-6 and comparative example 1 were coated on a standard steel plate, baked at 200 ℃ for 10 minutes to obtain a coating film with a thickness of 50um, and the coating films prepared in the respective formulations were subjected to a salt spray resistance test (GB-T1771-2007) with the following test results:
as can be seen from the above table, the coating of the invention has the advantages that the discoloration, corrosion and foaming time of the coating are obviously improved in the salt spray experiment process, and the practicability is good.
The foregoing is merely exemplary and illustrative of the principles of the present invention and various modifications, additions and substitutions of the specific embodiments described herein may be made by those skilled in the art without departing from the principles of the present invention or exceeding the scope of the claims set forth herein.
Claims (8)
1. The salt spray-resistant antirust coating is characterized in that: the feed comprises the following raw materials in parts by weight: 55-65 parts of acrylate resin, 15-20 parts of calcium carbonate, 4-7 parts of barium sulfate, 10-20 parts of pigment and filler, 0.5-2 parts of Schiff base salt spray resistant auxiliary agent, 1-1.5 parts of dispersing agent, 1-1.5 parts of antioxidant and 35-50 parts of acetone.
2. The salt spray resistant antirust coating material of claim 1, wherein: the pigment and filler is one of zinc chrome yellow and zinc phosphate.
3. The salt spray resistant antirust coating material of claim 1, wherein: the preparation method of the Schiff base salt spray resistant auxiliary agent specifically comprises the following steps:
s1, weighing 0.20-0.21mol of 2-aminobenzimidazole, 0.1mol of terephthalaldehyde and 2-2.3g of acid catalyst, adding into a reaction bottle, adding 500ml of absolute ethyl alcohol as a solvent, heating to 80 ℃ while stirring, preserving heat, refluxing for reaction for 3-4h, after the reaction is finished, naturally cooling to room temperature, rotationally evaporating to remove the ethyl alcohol, recrystallizing with absolute ethyl ether, and drying to obtain an intermediate N1;
s2, weighing 50mmol of intermediates N1, 102-105mmol of 5-sodium chloropentanoate and 500ml of 75% ethanol solution, adding into a reaction bottle, heating to 80-85 ℃ while stirring, stirring for reaction for 3-4h, dropwise adding 30-40% hydrochloric acid solution into the reaction solution after the reaction is finished, rotationally evaporating to remove the solvent after the pH of the reaction solution is stabilized within the range of 2.5-3.0, adding the crude product into 5% hydrochloric acid solution for acid washing, washing with water, and drying to obtain an intermediate N2;
s3, weighing 20mmol of intermediate N2 and 41-45mmol of semicarbazide hydrochloride, adding 100ml of polyphosphoric acid, transferring the reaction bottle to an oil bath pot, keeping the temperature and stirring at 75-80 ℃ for reaction for 5-6h, naturally cooling to room temperature after the reaction is finished, placing the reaction bottle in a cold salt bath, adding 35-40% by mass of NaOH aqueous solution into the reaction solution, adjusting the pH of the reaction solution to 8.5-9.5, performing suction filtration, recrystallizing by using absolute ethyl alcohol, placing in a refrigerator at 0-5 ℃ overnight, and then filtering and drying to obtain an intermediate N3;
s4, weighing 10mmol of intermediate N3 prepared in the step S3, 20.5-21mmol of 1-naphthaldehyde or 2-bromo-1-naphthaldehyde and 50-70mg of acid catalyst, adding the mixture into a reaction bottle, adding 100ml of DMF (dimethyl formamide) solvent, stirring and heating to 85-90 ℃, keeping the temperature for reaction for 4-5 hours, naturally cooling to room temperature after the reaction is finished, rotationally evaporating to remove ethanol, recrystallizing by using absolute ethanol, and drying to obtain the Schiff base salt spray resistant auxiliary agent with the structure shown in the formula N.
4. The salt spray resistant antirust coating material of claim 3, wherein: the acid catalysts described in steps S1 and S4 are both phosphotungstic acid.
5. The salt spray resistant antirust coating material of claim 3, wherein: in step S2, the preparation method of sodium 5-chloropentanoate comprises: weighing 25g of 5-chloropentanoic acid into a reaction bottle, adding 300ml of absolute ethyl alcohol, stirring for dissolving, adding 12-15g of sodium carbonate, transferring the reaction bottle into a water bath kettle at the temperature of 45-50 ℃ after the addition is finished, stirring for about 2-3h till no bubbles exist, and performing suction filtration to obtain the 5-sodium chloropentanoic acid.
6. The salt spray resistant antirust coating material of claim 1, wherein: the acrylate resin is one of methyl acrylate, ethyl acrylate, n-butyl acrylate, methyl methacrylate and n-butyl methacrylate.
7. The salt spray resistant antirust coating material of claim 1, wherein: the dispersing agent is one of polysiloxane, sodium polyacrylate and polyacrylamide.
8. The salt spray resistant antirust coating material of claim 1, wherein: the antioxidant is antioxidant BHT.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230052367A1 (en) * | 2021-07-02 | 2023-02-16 | The Boeing Company | Corrosion inhibition compositions and associated methods for inhibiting corrosion on metallic substrates |
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| CN109467999A (en) * | 2018-12-05 | 2019-03-15 | 杭州福斯特应用材料股份有限公司 | A kind of anti-corrosion reparation coating |
| CN110330863A (en) * | 2019-07-22 | 2019-10-15 | 福建省澳龙环保新材料有限公司 | A kind of aqueous salt spray resistance polishes and preparation method thereof |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2133979A1 (en) * | 1971-04-21 | 1972-12-01 | Merck & Co Inc | |
| CN103468077A (en) * | 2013-09-23 | 2013-12-25 | 江苏华夏制漆科技有限公司 | Water-based antirust paint for steel structure as well as production method thereof |
| CN104356795A (en) * | 2014-10-10 | 2015-02-18 | 广州擎天材料科技有限公司 | Single component air-drying water-based rust inhibiting primer with curtaining capacity and used for electrical equipment housing as well as preparation method of primer |
| CN108384347A (en) * | 2018-03-09 | 2018-08-10 | 佛山市高明利钢精密铸造有限公司 | A kind of preparation method of antirust paint for hot investment casting part |
| CN108840823A (en) * | 2018-06-06 | 2018-11-20 | 怀化学院 | A kind of synthetic method of icotinoylhydrazones Schiff bases compound and its application in fungicide |
| CN109467999A (en) * | 2018-12-05 | 2019-03-15 | 杭州福斯特应用材料股份有限公司 | A kind of anti-corrosion reparation coating |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230052367A1 (en) * | 2021-07-02 | 2023-02-16 | The Boeing Company | Corrosion inhibition compositions and associated methods for inhibiting corrosion on metallic substrates |
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