CN111138969A - Wear-resistant anticorrosive paint for metal surface and preparation method thereof - Google Patents
Wear-resistant anticorrosive paint for metal surface and preparation method thereof Download PDFInfo
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- CN111138969A CN111138969A CN201911318372.8A CN201911318372A CN111138969A CN 111138969 A CN111138969 A CN 111138969A CN 201911318372 A CN201911318372 A CN 201911318372A CN 111138969 A CN111138969 A CN 111138969A
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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
- 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
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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
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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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3009—Sulfides
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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
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Life Sciences & Earth Sciences (AREA)
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Abstract
The invention discloses a wear-resistant anticorrosive paint for metal surfaces and a preparation method thereof, wherein the paint comprises the following components in parts by weight: 60-100 parts of resin filler, 10-20 parts of wear-resistant filler, 15-35 parts of anti-corrosion filler, 3-5 parts of curing agent, 1-3 parts of antioxidant, 0.3-0.8 part of flatting agent and 100-130 parts of water; firstly, mixing and ball-milling the wear-resistant filler and the anti-corrosion filler, reacting the resin filler with the auxiliary agent, finally adding the ball-milled material and water, fully mixing and dispersing, drying, and crushing after drying to obtain a final finished product; according to the coating provided by the invention, the wear-resistant and anti-corrosion filler is added into the coating, so that the wear-resistant and anti-corrosion performances of the whole coating are improved, and metal can be effectively protected from being scratched and corroded by an external acid-base environment; meanwhile, the materials used by the coating are common materials, so the coating has low cost and simple manufacturing process, and is suitable for mass production in factories.
Description
Technical Field
The invention relates to the technical field of metal coatings, in particular to a metal surface wear-resistant anticorrosive coating and a preparation method thereof.
Background
Fatigue fracture, corrosion and wear of materials are three major causes of material failure. It is known that in the industrial industry of China, the loss caused by stopping production and scrapping of equipment due to corrosion, abrasion and the like accounts for nearly 10% of the GDP all the year round, and the loss is up to billions of yuan; the reduction of corrosion and abrasion of metal materials is an important guarantee for ensuring the normal and safe operation of equipment and reducing the maintenance frequency.
The coating technology has the characteristics of strong adaptability, simple and convenient process and reasonable economy, and is widely applied to corrosion and abrasion protection of materials. Common coatings such as epoxy resin, silicone resin, polyurethane resin, alkyd resin, polyester resin and the like can be used for preparing coatings with different functions, and functions such as protection, decoration and the like are realized. However, the existing metal anticorrosive paint has poor wear resistance, and the corrosion rate of metal products can be reduced only by frequently coating the paint under the condition of high-frequency friction use, so that the working strength is high, and the anticorrosive efficiency is low.
Disclosure of Invention
The invention aims to provide a wear-resistant anticorrosive paint for metal surfaces and a preparation method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the wear-resistant anticorrosive paint for the metal surface comprises the following components in parts by weight: 60-100 parts of resin filler, 10-20 parts of wear-resistant filler, 15-35 parts of anti-corrosion filler, 3-5 parts of curing agent, 1-3 parts of antioxidant, 0.3-0.8 part of flatting agent and 100-130 parts of water.
As a preferable technical scheme, the resin filler is a mixture of organic silicon resin and epoxy resin, the wear-resistant filler is one or a mixture of more of nano silicon dioxide, nano molybdenum disulfide, nano mica powder and nano boron carbide powder, and the anti-corrosion filler is one or a mixture of more of glass flakes, phosphate powder and graphite powder.
As a preferable technical scheme of the invention, the curing agent is methyl ethyl ketone peroxide, the antioxidant is antioxidant 1010, and the leveling agent is a mixture of polyvinyl butyral and polyacrylate in equal proportion.
As a preferred technical scheme, the invention also provides a preparation method of the wear-resistant anticorrosive paint for the metal surface, which comprises the following steps:
s1, taking the raw materials according to the weight components;
s2, mixing the wear-resistant filler and the corrosion-resistant filler, putting the mixture into a stirrer for uniform mixing, and putting the mixture into a ball mill for ball milling to obtain a first mixture;
s3, adding a curing agent, an antioxidant and a leveling agent into the resin filler, and heating the resin filler to react to obtain a second mixture;
s4, mixing the water, the first mixture and the second mixture, and dispersing by using a dispersing machine to obtain slurry;
and S5, drying the slurry obtained in the step S4, crushing the dried blocky materials, and filtering the crushed materials by using a screen to obtain a finished product.
As a preferable technical scheme, in the step S2, the stirring time of the wear-resistant filler and the corrosion-resistant filler is 10-20 min, the rotating speed of a stirrer is 180-240 r/min, the ball milling time is 20-40 min, grinding beads are added during ball milling, and the size of the grinding beads is 1-3 mm.
As a preferable technical scheme of the invention, in the step S3, the resin is heated to 280-320 ℃ for 2-4 h.
As a preferable technical scheme of the invention, in the step S4, the rotating speed of the dispersion machine is 1000-2000 r/min, and the dispersion time is not less than 30 min.
In a preferred technical scheme of the invention, in the step S5, the drying temperature is 80-90 ℃, the drying time is not less than 2 hours, and the crushed material is filtered by using a screen mesh of 140-160 meshes.
Compared with the prior art, the invention has the beneficial effects that: according to the metal surface wear-resistant anticorrosive coating and the preparation method thereof, the wear-resistant and anticorrosive filler is added into the coating, so that the wear-resistant and anticorrosive properties of the whole coating are improved, and metal can be effectively protected from being scratched and corroded by an external acid-base environment; meanwhile, the materials used by the coating are common materials, so the coating has low cost and simple manufacturing process, and is suitable for mass production in factories.
Detailed Description
The technical solutions in the embodiments of the present invention are 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 provides a technical scheme that: the wear-resistant anticorrosive paint for the metal surface comprises the following components in parts by weight: 60-100 parts of resin filler, 10-20 parts of wear-resistant filler, 15-35 parts of anti-corrosion filler, 3-5 parts of curing agent, 1-3 parts of antioxidant, 0.3-0.8 part of flatting agent and 100-130 parts of water.
Furthermore, the resin filler is a mixture of organic silicon resin and epoxy resin, the wear-resistant filler is one or a mixture of more of nano silicon dioxide, nano molybdenum disulfide, nano mica powder and nano boron carbide powder, and the anti-corrosion filler is one or a mixture of more of glass flakes, phosphate powder and graphite powder.
Further, the curing agent is methyl ethyl ketone peroxide, the antioxidant is antioxidant 1010, and the leveling agent is a mixture of polyvinyl butyral and polyacrylate in equal proportion.
The first embodiment is as follows: the wear-resistant anticorrosive paint for the metal surface comprises the following components in parts by weight: 84 parts of resin filler, 16 parts of wear-resistant filler, 24 parts of anti-corrosion filler, 5 parts of curing agent, 2 parts of antioxidant, 0.5 part of flatting agent and 115 parts of water.
A preparation method of a wear-resistant anticorrosive paint for metal surfaces comprises the following steps:
s1, taking the raw materials according to the weight components;
s2, mixing the wear-resistant filler and the corrosion-resistant filler, putting the mixture into a stirrer, and uniformly mixing the mixture, wherein the stirring time is 15min, and the rotating speed of the stirrer is 220 r/min; stirring and putting into a ball mill, and simultaneously adding grinding beads with the size of 2mm for ball milling for 30min to obtain a first mixture;
s3, adding a curing agent, an antioxidant and a leveling agent into the resin filler, heating the resin filler for reaction, wherein the heating temperature is 300 ℃, and the heating time is 3.2 hours, so as to obtain a second mixture;
s4, mixing the water, the mixture I and the mixture II, and dispersing by using a dispersion machine, wherein the rotating speed of the dispersion machine is 1500r/min, and the dispersion time is 40min, so as to obtain slurry;
s5, drying the slurry obtained in the step S4 at the temperature of 85 ℃ for 2.5 h; and crushing the dried blocky materials, and filtering the crushed materials by using a 150-mesh screen to obtain a finished product.
Example two: the wear-resistant anticorrosive paint for the metal surface comprises the following components in parts by weight: 64 parts of resin filler, 12 parts of wear-resistant filler, 16 parts of anti-corrosion filler, 3 parts of curing agent, 1 part of antioxidant, 0.4 part of flatting agent and 105 parts of water.
A preparation method of a wear-resistant anticorrosive paint for metal surfaces comprises the following steps:
s1, taking the raw materials according to the weight components;
s2, mixing the wear-resistant filler and the corrosion-resistant filler, putting the mixture into a stirrer, and uniformly mixing the mixture, wherein the stirring time is 10min, and the rotating speed of the stirrer is 185 r/min; stirring and putting into a ball mill, and simultaneously adding grinding beads with the size of 1mm for ball milling, wherein the ball milling time is 25min, so as to obtain a first mixture;
s3, adding a curing agent, an antioxidant and a leveling agent into the resin filler, heating the resin filler for reaction at 285 ℃ for 2 hours to obtain a second mixture;
s4, mixing the water, the mixture I and the mixture II, and dispersing by using a dispersion machine, wherein the rotating speed of the dispersion machine is 1200r/min, and the dispersion time is 50min to obtain slurry;
s5, drying the slurry obtained in the step S4 at 82 ℃ for 3 h; and crushing the dried blocky materials, and filtering the crushed materials by using a 140-mesh screen to obtain a finished product.
Example three: the wear-resistant anticorrosive paint for the metal surface comprises the following components in parts by weight: 95 parts of resin filler, 18 parts of wear-resistant filler, 32 parts of anti-corrosion filler, 5 parts of curing agent, 3 parts of antioxidant, 0.7 part of flatting agent and 125 parts of water.
A preparation method of a wear-resistant anticorrosive paint for metal surfaces comprises the following steps:
s1, taking the raw materials according to the weight components;
s2, mixing the wear-resistant filler and the corrosion-resistant filler, putting the mixture into a stirrer, and uniformly mixing the mixture, wherein the stirring time is 18min, and the rotating speed of the stirrer is 235 r/min; stirring, putting into a ball mill, and simultaneously adding grinding beads with the size of 3mm for ball milling for 36min to obtain a first mixture;
s3, adding a curing agent, an antioxidant and a leveling agent into the resin filler, heating the resin filler for reaction at 315 ℃ for 4 hours to obtain a second mixture;
s4, mixing the water, the mixture I and the mixture II, and dispersing by using a dispersion machine, wherein the rotating speed of the dispersion machine is 1800r/min, and the dispersion time is 60min to obtain slurry;
s5, drying the slurry obtained in the step S4 at 88 ℃ for 3 h; and crushing the dried blocky materials, and filtering the crushed materials by using a 160-mesh screen to obtain a finished product.
The difference between the first embodiment, the second embodiment and the third embodiment is that the components of the three embodiments are different, and the following manufacturing process has a difference in the process parameters such as stirring time, stirring speed and the like in the operation steps.
The wear and corrosion resistance of the first, second and third examples were tested as follows, and the test conditions are shown in the following table:
| acid corrosion resistance | Alkali corrosion resistance | Wear resistance | |
| Example one | Foaming after 1000h | Foaming after 950h | Is excellent in |
| Example two | Foaming after 950h | Foaming after 850h | Is excellent in |
| EXAMPLE III | Foaming after 980h | Foaming after 950h | Good effect |
From the above table, the coating obtained in the first embodiment has the best overall performance.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The wear-resistant anticorrosive paint for the metal surface is characterized by comprising the following components in parts by weight: the composition consists of the following components in parts by weight: 60-100 parts of resin filler, 10-20 parts of wear-resistant filler, 15-35 parts of anti-corrosion filler, 3-5 parts of curing agent, 1-3 parts of antioxidant, 0.3-0.8 part of flatting agent and 100-130 parts of water.
2. The wear-resistant anticorrosive paint for metal surfaces as claimed in claim 1, wherein: the resin filler is a mixture of organic silicon resin and epoxy resin, the wear-resistant filler is one or a mixture of more of nano silicon dioxide, nano molybdenum disulfide, nano mica powder and nano boron carbide powder, and the anti-corrosion filler is one or a mixture of more of glass flakes, phosphate powder and graphite powder.
3. The wear-resistant anticorrosive paint for metal surfaces as claimed in claim 1, wherein: the curing agent is methyl ethyl ketone peroxide, the antioxidant is antioxidant 1010, and the leveling agent is a mixture of polyvinyl butyral and polyacrylate in equal proportion.
4. The preparation method of the wear-resistant anticorrosive paint for the metal surface according to any one of claims 1 to 3, characterized by comprising the following steps:
s1, taking the raw materials according to the weight components;
s2, mixing the wear-resistant filler and the corrosion-resistant filler, putting the mixture into a stirrer for uniform mixing, and putting the mixture into a ball mill for ball milling to obtain a first mixture;
s3, adding a curing agent, an antioxidant and a leveling agent into the resin filler, and heating the resin filler to react to obtain a second mixture;
s4, mixing the water, the first mixture and the second mixture, and dispersing by using a dispersing machine to obtain slurry;
and S5, drying the slurry obtained in the step S4, crushing the dried blocky materials, and filtering the crushed materials by using a screen to obtain a finished product.
5. The preparation method of the wear-resistant anticorrosive paint for metal surfaces as claimed in claim 4, characterized in that: in the step S2, the stirring time of the wear-resistant filler and the corrosion-resistant filler is 10-20 min, the rotating speed of the stirrer is 180-240 r/min, the ball milling time is 20-40 min, grinding beads are added during ball milling, and the size of the grinding beads is 1-3 mm.
6. The preparation method of the wear-resistant anticorrosive paint for metal surfaces as claimed in claim 4, characterized in that: in the step S3, the resin is heated to 280-320 ℃ for 2-4 h.
7. The preparation method of the wear-resistant anticorrosive paint for metal surfaces as claimed in claim 4, characterized in that: in the step S4, the rotating speed of the dispersion machine is 1000-2000 r/min, and the dispersion time is not less than 30 min.
8. The preparation method of the wear-resistant anticorrosive paint for metal surfaces as claimed in claim 4, characterized in that: in the step S5, the drying temperature is 80-90 ℃, the drying time is not less than 2h, and the crushed material is filtered by using a 140-160 mesh screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911318372.8A CN111138969A (en) | 2019-12-19 | 2019-12-19 | Wear-resistant anticorrosive paint for metal surface and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911318372.8A CN111138969A (en) | 2019-12-19 | 2019-12-19 | Wear-resistant anticorrosive paint for metal surface and preparation method thereof |
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| CN111138969A true CN111138969A (en) | 2020-05-12 |
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| CN201911318372.8A Pending CN111138969A (en) | 2019-12-19 | 2019-12-19 | Wear-resistant anticorrosive paint for metal surface and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111545436A (en) * | 2020-05-15 | 2020-08-18 | 太仓鑫祥金属制品有限公司 | Surface treatment process of high-strength steel part for large bending machine |
| CN112076965A (en) * | 2020-08-18 | 2020-12-15 | 内蒙古东蛟电力装备有限公司 | Preparation method of wear-resistant and corrosion-resistant pipeline for fluid transportation |
| CN114133838A (en) * | 2021-11-29 | 2022-03-04 | 江阴博圣热能科技有限公司 | Composite aluminum pipe G-shaped pipe and processing technology thereof |
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| CN102391779A (en) * | 2011-09-29 | 2012-03-28 | 资阳赛特化工有限公司 | Metal base material corrosion-resistant coating and preparation method thereof |
| CN102993913A (en) * | 2012-12-19 | 2013-03-27 | 上海海隆赛能新材料有限公司 | Solvent-free anticorrosive coating for directionally-drilled pipelines and preparation method for same |
| CN109836959A (en) * | 2017-09-20 | 2019-06-04 | 中国科学院金属研究所 | A kind of wear-resistant self-lubricating anticorrosive coating and the preparation method and application thereof |
-
2019
- 2019-12-19 CN CN201911318372.8A patent/CN111138969A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102391779A (en) * | 2011-09-29 | 2012-03-28 | 资阳赛特化工有限公司 | Metal base material corrosion-resistant coating and preparation method thereof |
| CN102993913A (en) * | 2012-12-19 | 2013-03-27 | 上海海隆赛能新材料有限公司 | Solvent-free anticorrosive coating for directionally-drilled pipelines and preparation method for same |
| CN109836959A (en) * | 2017-09-20 | 2019-06-04 | 中国科学院金属研究所 | A kind of wear-resistant self-lubricating anticorrosive coating and the preparation method and application thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111545436A (en) * | 2020-05-15 | 2020-08-18 | 太仓鑫祥金属制品有限公司 | Surface treatment process of high-strength steel part for large bending machine |
| CN112076965A (en) * | 2020-08-18 | 2020-12-15 | 内蒙古东蛟电力装备有限公司 | Preparation method of wear-resistant and corrosion-resistant pipeline for fluid transportation |
| CN114133838A (en) * | 2021-11-29 | 2022-03-04 | 江阴博圣热能科技有限公司 | Composite aluminum pipe G-shaped pipe and processing technology thereof |
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