CN110643210A - High-performance anti-corrosion coating for metal surface treatment - Google Patents
High-performance anti-corrosion coating for metal surface treatment Download PDFInfo
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- CN110643210A CN110643210A CN201911041854.3A CN201911041854A CN110643210A CN 110643210 A CN110643210 A CN 110643210A CN 201911041854 A CN201911041854 A CN 201911041854A CN 110643210 A CN110643210 A CN 110643210A
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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
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
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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
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
-
- 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
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special additives
Abstract
The invention provides a high-performance anti-corrosion coating for metal surface treatment, which comprises the following components in parts by weight: 30-45 parts of silica sol, 12-16 parts of epoxy resin, 8-15 parts of polyimide resin, 2-4 parts of ketimine, 2-5 parts of fluorite powder, 1-3 parts of aminosilane, 2-4 parts of polyethylene glycol, 3-6 parts of hydroxyalkylphenol polyoxyethylene ether, 3-8 parts of 8-hydroxyquinoline copper, 4-10 parts of antirust agent and 5-10 parts of corrosion inhibitor.
Description
Technical Field
The invention relates to the technical field of metal surface treatment, in particular to a high-performance anti-corrosion coating for metal surface treatment.
Background
Steel is the most common structural material with unstable thermodynamic properties, and exposure to the atmosphere entails corrosion, which translates into loose rust. The loss of various metal components and equipment in China caused by corrosion is as high as billions every year, so that effective rust prevention measures are required. At present, the common means is to spray an anticorrosion coating on the outside of metal, but the prior antirust coating has poor antirust performance, high abrasion rate, low basic corrosion resistance, short service life, weak adhesion, low surface flatness of the coating and long drying time, and the use of the coating is greatly limited.
Disclosure of Invention
Aiming at the problems, the invention provides a high-performance anti-rust coating for metal surface treatment, which has excellent acid and alkali resistance, abrasion resistance and strong anti-rust effect.
In order to achieve the above object, the present invention adopts the following technical solutions:
a high-performance anti-corrosion coating for metal surface treatment comprises the following components in parts by weight: 30-45 parts of silica sol, 12-16 parts of epoxy resin, 8-15 parts of polyimide resin, 2-4 parts of ketimine, 2-5 parts of fluorite powder, 1-3 parts of aminosilane, 2-4 parts of polyethylene glycol, 3-6 parts of hydroxyalkyl phenol polyoxyethylene ether, 3-8 parts of 8-hydroxyquinoline copper, 4-10 parts of antirust agent and 5-10 parts of corrosion inhibitor.
Preferably, the high-performance anti-corrosion coating for metal surface treatment comprises the following components in parts by weight: 35-45 parts of silica sol, 13-16 parts of epoxy resin, 10-15 parts of polyimide resin, 2-3 parts of ketimine, 3-5 parts of fluorite powder, 2-3 parts of aminosilane, 3-4 parts of polyethylene glycol, 3-5 parts of hydroxyalkyl phenol polyoxyethylene ether, 3-6 parts of 8-hydroxyquinoline copper, 6-10 parts of antirust agent and 6-10 parts of corrosion inhibitor.
Preferably, the coating also comprises 4-8 parts of nano calcium carbonate, 3-5 parts of sodium alginate and 2-4 parts of sepiolite.
Preferably, the antirust agent is selected from one or more of barium petroleum sulfonate, sodium lauroyl sarcosinate, acetone and PE wax.
Preferably, the weight ratio of the antirust agent to the water is 1: 0.8-1: 0.3-0.5 of barium petroleum sulfonate, sodium lauroyl sarcosinate and acetone.
Preferably, the corrosion inhibitor is one or more of benzotriazole, sodium alkyl benzene sulfonate, 2-mercaptobenzothiazole and benzyl chloride pyridine.
Preferably, the corrosion inhibitor is a composition of 2-mercaptobenzothiazole and benzyl pyridine chloride in a mass ratio of 1: 1.
Based on the high-performance anti-corrosion coating for metal surface treatment, the application provides a preparation method of the coating, which comprises the following preparation steps:
1) weighing raw materials according to parts by weight, and crushing fluorite powder and sieving the crushed fluorite powder with a 600-mesh sieve for later use;
2) blending aminosilane, polyethylene glycol, hydroxyalkyl phenol polyoxyethylene ether and 8-hydroxyquinoline copper, heating to 45 ℃, and preserving heat for 10-15min to obtain a first mixture;
3) placing epoxy resin and polyimide resin into a mixer, heating and stirring at 105 ℃ for 10min at the stirring speed of 80rpm, adding nano calcium carbonate, the mixture I and the fluorite powder crushed in the step 1), and continuously stirring for 8-10min to obtain a mixture II;
4) and adding the mixture II, the antirust agent, the corrosion inhibitor and the sodium alginate into the silica sol, heating and stirring at 45 ℃ for 15-20min, wherein the stirring speed is 120 rpm.
Due to the adoption of the technical scheme, the invention has the beneficial effects that: the invention is prepared by taking silica sol as a matrix and adding various fillers, and the fillers are prepared by a compounding method. The water resistance and the heat resistance of the silica sol are obviously superior to those of organic coatings, the silica sol has a certain hole sealing effect, a coating film is compact and hard, static electricity is not generated, various dust in air is difficult to adhere, and the silica sol has strong pollution resistance; the epoxy resin and the polyimide resin are blended to improve the high temperature resistance, the ketimine is used as a curing agent of the epoxy resin, and meanwhile, the hydrolyzed amine can act with the epoxy resin, so that the waterproof and anticorrosive properties are enhanced; the fluorite powder has excellent wear-resisting and heat-resisting properties, contains rich magnesium, improves the specific strength and specific rigidity of the coating, and is beneficial to improving the aging resistance; the aminosilane is blended with the polyethylene glycol, the hydroxyalkyl phenol polyoxyethylene ether and the 8-hydroxyquinoline copper, so that the detergent and scale inhibitor has strong cleaning and scale inhibition performance, the corrosion caused by the retention of dirt and water stains is effectively avoided, the aminosilane promotes the crosslinking reaction among the fillers, the 8-hydroxyquinoline copper has excellent antibacterial and antiseptic performance, and the hydroxyalkyl phenol polyoxyethylene ether has good dispersing, defoaming and corrosion inhibition performances; the sodium alginate has the effects of oxidation resistance and corrosion resistance, and the nano calcium carbonate has excellent dispersibility and high drying property, so that the drying time of the coating can be shortened. In conclusion, the paint has the advantages of excellent corrosion resistance, excellent rust resistance, acid and alkali resistance, smooth coating, uniform dispersion of the paint, strong adhesive force, high drying speed and suitability for popularization.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
Example 1:
a high-performance anti-corrosion coating for metal surface treatment comprises the following components in parts by weight: 40 parts of silica sol, 15 parts of epoxy resin, 12 parts of polyimide resin, 4 parts of ketimine, 3 parts of fluorite powder, 2 parts of aminosilane, 4 parts of polyethylene glycol, 6 parts of hydroxyalkyl phenol polyoxyethylene ether, 6 parts of 8-hydroxyquinoline copper, 8 parts of antirust agent and 10 parts of corrosion inhibitor.
Wherein, the coating also comprises 5 parts of nano calcium carbonate, 4 parts of sodium alginate and 3 parts of sepiolite.
The rust inhibitor is one or more of barium petroleum sulfonate, sodium lauroyl sarcosinate, acetone and PE wax. Preferably, the antirust agent is mixed by mass ratio of 1: 0.4 of barium petroleum sulfonate, sodium lauroyl sarcosinate and acetone.
The corrosion inhibitor is one or more of benzotriazole, sodium alkyl benzene sulfonate, 2-mercaptobenzothiazole and benzyl chloride pyridine. Preferably, the corrosion inhibitor is a composition of 2-mercaptobenzothiazole and benzyl pyridine chloride in a mass ratio of 1: 1.
The preparation method of the high-performance anti-corrosion coating for metal surface treatment comprises the following preparation steps:
1) weighing raw materials according to parts by weight, and crushing fluorite powder and sieving the crushed fluorite powder with a 600-mesh sieve for later use;
2) blending aminosilane, polyethylene glycol, hydroxyalkyl phenol polyoxyethylene ether and 8-hydroxyquinoline copper, heating to 45 ℃, and preserving heat for 10-15min to obtain a first mixture;
3) placing epoxy resin and polyimide resin into a mixer, heating and stirring at 105 ℃ for 10min at the stirring speed of 80rpm, adding nano calcium carbonate, the mixture I and the fluorite powder crushed in the step 1), and continuously stirring for 8-10min to obtain a mixture II;
4) and adding the mixture II, the antirust agent, the corrosion inhibitor and the sodium alginate into the silica sol, heating and stirring at 45 ℃ for 15-20min, wherein the stirring speed is 120 rpm.
Example 2:
a high-performance anti-corrosion coating for metal surface treatment comprises the following components in parts by weight: 45 parts of silica sol, 15 parts of epoxy resin, 15 parts of polyimide resin, 3 parts of ketimine, 4 parts of fluorite powder, 2 parts of aminosilane, 3 parts of polyethylene glycol, 5 parts of hydroxyalkyl phenol polyoxyethylene ether, 8 parts of 8-hydroxyquinoline copper, 5 parts of antirust agent and 5 parts of corrosion inhibitor.
Wherein, the coating also comprises 5 parts of nano calcium carbonate, 5 parts of sodium alginate and 4 parts of sepiolite.
The rust inhibitor is one or more of barium petroleum sulfonate, sodium lauroyl sarcosinate, acetone and PE wax. Preferably, the antirust agent is mixed by mass ratio of 1:0.5 of barium petroleum sulfonate, sodium lauroyl sarcosinate and acetone.
The corrosion inhibitor is one or more of benzotriazole, sodium alkyl benzene sulfonate, 2-mercaptobenzothiazole and benzyl chloride pyridine. Preferably, the corrosion inhibitor is a composition of 2-mercaptobenzothiazole and benzyl pyridine chloride in a mass ratio of 1: 1.
The preparation process of the high performance anti-corrosive paint for metal surface treatment is the same as that of example 1.
Example 3:
a high-performance anti-corrosion coating for metal surface treatment comprises the following components in parts by weight: 35 parts of silica sol, 12 parts of epoxy resin, 10 parts of polyimide resin, 2 parts of ketimine, 3 parts of fluorite powder, 2 parts of aminosilane, 4 parts of polyethylene glycol, 5 parts of hydroxyalkyl phenol polyoxyethylene ether, 5 parts of 8-hydroxyquinoline copper, 6 parts of antirust agent and 8 parts of corrosion inhibitor.
Wherein, the coating also comprises 6 parts of nano calcium carbonate, 3 parts of sodium alginate and 2 parts of sepiolite.
The rust inhibitor is one or more of barium petroleum sulfonate, sodium lauroyl sarcosinate, acetone and PE wax. Preferably, the antirust agent is mixed with the water in a mass ratio of 1: 0.8: 0.5 of barium petroleum sulfonate, sodium lauroyl sarcosinate and acetone.
The corrosion inhibitor is one or more of benzotriazole, sodium alkyl benzene sulfonate, 2-mercaptobenzothiazole and benzyl chloride pyridine. Preferably, the corrosion inhibitor is a composition of 2-mercaptobenzothiazole and benzyl pyridine chloride in a mass ratio of 1: 1.
The preparation process of the high performance anti-corrosive paint for metal surface treatment is the same as that of example 1.
Example 4:
a high-performance anti-corrosion coating for metal surface treatment comprises the following components in parts by weight: 35 parts of silica sol, 12 parts of epoxy resin, 8 parts of polyimide resin, 4 parts of ketimine, 5 parts of fluorite powder, 2 parts of aminosilane, 4 parts of polyethylene glycol, 5 parts of hydroxyalkyl phenol polyoxyethylene ether, 5 parts of 8-hydroxyquinoline copper, 5 parts of antirust agent and 5 parts of corrosion inhibitor.
Wherein, the coating also comprises 6 parts of nano calcium carbonate, 3 parts of sodium alginate and 3 parts of sepiolite.
The rust inhibitor is one or more of barium petroleum sulfonate, sodium lauroyl sarcosinate, acetone and PE wax. Preferably, the antirust agent is a composition of barium petroleum sulfonate and sodium lauroyl sarcosinate in a mass ratio of 1: 1.
The corrosion inhibitor is one or more of benzotriazole, sodium alkyl benzene sulfonate, 2-mercaptobenzothiazole and benzyl chloride pyridine. Preferably, the corrosion inhibitor is a composition of 2-mercaptobenzothiazole and sodium alkyl benzene sulfonate in a mass ratio of 1: 2.
The preparation process of the high performance anti-corrosive paint for metal surface treatment is the same as that of example 1.
Example 5:
a high-performance anti-corrosion coating for metal surface treatment comprises the following components in parts by weight: 38 parts of silica sol, 14 parts of epoxy resin, 8 parts of polyimide resin, 3 parts of ketimine, 5 parts of fluorite powder, 2 parts of aminosilane, 2 parts of polyethylene glycol, 4 parts of hydroxyalkyl phenol polyoxyethylene ether, 6 parts of 8-hydroxyquinoline copper, 4 parts of antirust agent and 8 parts of corrosion inhibitor.
Wherein, the coating also comprises 4 parts of nano calcium carbonate, 3 parts of sodium alginate and 2 parts of sepiolite.
The rust inhibitor is one or more of barium petroleum sulfonate, sodium lauroyl sarcosinate, acetone and PE wax. Preferably, the antirust agent is a composition of barium petroleum sulfonate and sodium lauroyl sarcosinate in a mass ratio of 1: 0.5.
The corrosion inhibitor is one or more of benzotriazole, sodium alkyl benzene sulfonate, 2-mercaptobenzothiazole and benzyl chloride pyridine. Preferably, the corrosion inhibitor is a composition of 2-mercaptobenzothiazole and benzyl pyridine chloride in a mass ratio of 1: 1.
The preparation process of the high performance anti-corrosive paint for metal surface treatment is the same as that of example 1.
Example 6:
a high-performance anti-corrosion coating for metal surface treatment comprises the following components in parts by weight: 40 parts of silica sol, 15 parts of epoxy resin, 10 parts of polyimide resin, 4 parts of ketimine, 2 parts of fluorite powder, 1 part of aminosilane, 3 parts of polyethylene glycol, 3 parts of hydroxyalkyl phenol polyoxyethylene ether, 3 parts of 8-hydroxyquinoline copper, 10 parts of antirust agent and 8 parts of corrosion inhibitor.
Wherein, the coating also comprises 6 parts of nano calcium carbonate, 4 parts of sodium alginate and 4 parts of sepiolite.
The rust inhibitor is one or more of barium petroleum sulfonate, sodium lauroyl sarcosinate, acetone and PE wax. Preferably, the antirust agent is a composition of barium petroleum sulfonate and sodium lauroyl sarcosinate in a mass ratio of 1: 1.
The corrosion inhibitor is one or more of sodium alkyl benzene sulfonate, 2-mercaptobenzothiazole and benzyl pyridine chloride. Preferably, the corrosion inhibitor is a composition of 2-mercaptobenzothiazole and benzotriazole in a mass ratio of 1: 1.
The preparation process of the high performance anti-corrosive paint for metal surface treatment is the same as that of example 1.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. The high-performance anti-corrosion coating for metal surface treatment is characterized by comprising the following components in parts by mass: 30-45 parts of silica sol, 12-16 parts of epoxy resin, 8-15 parts of polyimide resin, 2-4 parts of ketimine, 2-5 parts of fluorite powder, 1-3 parts of aminosilane, 2-4 parts of polyethylene glycol, 3-6 parts of hydroxyalkyl phenol polyoxyethylene ether, 3-8 parts of 8-hydroxyquinoline copper, 4-10 parts of antirust agent and 5-10 parts of corrosion inhibitor.
2. The high-performance anti-rust coating for metal surface treatment according to claim 1, characterized by comprising, in parts by mass: 35-45 parts of silica sol, 13-16 parts of epoxy resin, 10-15 parts of polyimide resin, 2-3 parts of ketimine, 3-5 parts of fluorite powder, 2-3 parts of aminosilane, 3-4 parts of polyethylene glycol, 3-5 parts of hydroxyalkyl phenol polyoxyethylene ether, 3-6 parts of 8-hydroxyquinoline copper, 6-10 parts of antirust agent and 6-10 parts of corrosion inhibitor.
3. The high performance rust preventive coating for metal surface treatment according to claim 1 or 2, characterized in that: also comprises 4-8 parts of nano calcium carbonate, 3-5 parts of sodium alginate and 2-4 parts of sepiolite.
4. The high-performance rust preventive coating for metal surface treatment according to claim 3, characterized in that: the antirust agent is one or more of barium petroleum sulfonate, sodium lauroyl sarcosinate, acetone and PE wax.
5. The high-performance rust preventive coating for metal surface treatment according to claim 4, characterized in that: the antirust agent is prepared from the following components in a mass ratio of 1: 0.8-1: 0.3-0.5 of barium petroleum sulfonate, sodium lauroyl sarcosinate and acetone.
6. The high-performance rust preventive coating for metal surface treatment according to claim 3, characterized in that: the corrosion inhibitor is one or more of benzotriazole, sodium alkyl benzene sulfonate, 2-mercaptobenzothiazole and benzyl chloride pyridine.
7. The high-performance rust preventive coating for metal surface treatment according to claim 6, characterized in that: the corrosion inhibitor is a composition of 2-mercaptobenzothiazole and benzyl chloride pyridine in a mass ratio of 1: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911041854.3A CN110643210A (en) | 2019-10-30 | 2019-10-30 | High-performance anti-corrosion coating for metal surface treatment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911041854.3A CN110643210A (en) | 2019-10-30 | 2019-10-30 | High-performance anti-corrosion coating for metal surface treatment |
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| CN110643210A true CN110643210A (en) | 2020-01-03 |
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| CN201911041854.3A Withdrawn CN110643210A (en) | 2019-10-30 | 2019-10-30 | High-performance anti-corrosion coating for metal surface treatment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111690324A (en) * | 2020-07-21 | 2020-09-22 | 宁波计氏金属新材料有限公司 | Corrosion-resistant chromium-free coating and surface treatment process thereof |
| CN115028961A (en) * | 2022-05-31 | 2022-09-09 | 台州市黄岩区武汉理工高性能复合材料技术研究院 | Preparation method of fast curing epoxy resin |
-
2019
- 2019-10-30 CN CN201911041854.3A patent/CN110643210A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111690324A (en) * | 2020-07-21 | 2020-09-22 | 宁波计氏金属新材料有限公司 | Corrosion-resistant chromium-free coating and surface treatment process thereof |
| CN115028961A (en) * | 2022-05-31 | 2022-09-09 | 台州市黄岩区武汉理工高性能复合材料技术研究院 | Preparation method of fast curing epoxy resin |
| CN115028961B (en) * | 2022-05-31 | 2024-01-12 | 台州市黄岩区武汉理工高性能复合材料技术研究院 | Preparation method of fast-curing epoxy resin |
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Application publication date: 20200103 |