CN111040580A - Wear-resistant antirust powder coating for automobile hub and production process thereof - Google Patents
Wear-resistant antirust powder coating for automobile hub and production process thereof Download PDFInfo
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- CN111040580A CN111040580A CN201911394451.7A CN201911394451A CN111040580A CN 111040580 A CN111040580 A CN 111040580A CN 201911394451 A CN201911394451 A CN 201911394451A CN 111040580 A CN111040580 A CN 111040580A
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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
- C09D5/03—Powdery paints
- C09D5/033—Powdery paints characterised by the additives
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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
-
- 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
- C08K2003/3045—Sulfates
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a production process of a wear-resistant antirust powder coating for automobile hubs, which belongs to the field of powder coatings, and comprises the following components, by weight, 30-80 parts of epoxy resin, 0.1-1.5 parts of a curing agent, 40-80 parts of barium sulfate, 1-5 parts of a pigment, 1-3 parts of a flatting agent, 0.5-2 parts of a brightening agent, 40-50 parts of silicon dioxide, 0.1-0.5 part of a light stabilizer, 1.5 parts of benzoin, 1.5-1.8 parts of diaminodiphenyl sulfone, 10-20 parts of a filler and 0.5-3 parts of a film-forming agent; the powder coating provided by the invention has high transparency, high weather resistance and better corrosion resistance, meets the requirements of good attractiveness and durability of an aluminum hub coating on coating, and also provides a production process of the powder coating, so that the powder coating can be produced better and more highly, and the working efficiency is improved.
Description
Technical Field
The invention discloses a wear-resistant antirust powder coating for an automobile hub and a production process thereof, belonging to the field of powder coatings.
Background
With the development of the automobile industry, the yield and the holding capacity of automobiles are increased, and convenience is brought to the development of driving economy and the travel of people. The hub is an essential part on an automobile, the performance of the hub is directly related to the running stability and safety performance of the automobile, but the hub of some wheels at present is easy to corrode, low in strength and easy to rust. Considering that the aluminum alloy hub has poor conditions in practical use, in order to reduce the oxidation of the aluminum alloy in the air and the loss of the hub abrasion, the coated coating has high requirements on the performance, and at present, a paint spraying process mode is mostly adopted in the hub industry. The coating is the last procedure of automobile hub production, and aims to improve the corrosion resistance and the aesthetic feeling of the automobile hub. At present, in the coating of the automobile hub, the coating method is often complex, the steps are complicated, and large manpower and material resources are consumed; and no better coating is used for coating, so that the automobile hub is easy to rust and damage in the later period in the using process.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a wear-resistant antirust powder coating for an automobile hub, which has high transparency, high weather resistance and better corrosion resistance, and meets the requirements of good aesthetics and durability of an aluminum hub coating on coating requirements
In order to achieve the purpose, the invention adopts the following technical scheme:
the wear-resistant antirust powder coating for the automobile hub is characterized by comprising, by weight, 30-80 parts of epoxy resin, 0.1-1.5 parts of a curing agent, 40-80 parts of barium sulfate, 1-5 parts of a pigment, 1-3 parts of a leveling agent, 0.5-2 parts of a brightening agent, 40-50 parts of silicon dioxide, 0.1-0.5 part of a light stabilizer, 1.5 parts of benzoin, 1.5-1.8 parts of diaminodiphenyl sulfone, 10-20 parts of a filler and 0.5-3 parts of a film forming agent.
The invention has the beneficial effects that the wear-resistant antirust powder coating for the automobile hub has high transparency, high weather resistance and better corrosion resistance, and meets the requirements of good aesthetic property and durability of the coating of the aluminum hub coating
Further, in order to ensure that the dioxide has a better fineness; the silicon dioxide is nano silicon dioxide.
Further, in order to ensure that the brightener can have better brightening effect; the brightener is one or a combination of more of polyurethane emulsion, liquid wax, silicone oil or emulsifier.
Furthermore, in order to ensure that the film forming agent can well form a wear-resistant layer on the surface of the hub; the film forming agent comprises one or more of a protein film forming agent, an acrylic resin film forming agent, a butadiene resin film forming agent, a polyurethane film forming agent and a nitrocellulose film forming agent.
Further, in order to ensure that the hub surface can have better light stability; the light stabilizer comprises an ultraviolet light absorber, and the ultraviolet light absorber comprises one or more of salicylic acid esters, benzophenones, benzotriazoles and substituted acrylonitrile.
Furthermore, in order to ensure that the curing effect of the coating is good; the fixing agent comprises one or more of diaminocyclohexane, diethylenetriamine or tetraethylenepentamine.
To achieve the second object, include
The method comprises the following steps: adding 30-80 parts by weight of epoxy resin, 0.1-1.5 parts by weight of curing agent, 40-80 parts by weight of barium sulfate, 1-3 parts by weight of flatting agent, 40-50 parts by weight of silicon dioxide, 0.1-0.5 part by weight of light stabilizer, 1.5 parts by weight of benzoin, 1.5-1.8 parts by weight of diamino diphenyl sulfone and 10-20 parts by weight of filler into a reaction kettle according to the proportion, and mixing and stirring to obtain a mixture A;
step two: putting the mixture A into an extruder for extrusion, wherein the pressure is kept at 7-8kpa, and the temperature is kept at 150-200 ℃;
step three: cooling, crushing and screening the extruded material to obtain a mixture B;
step four: mixing the mixture B again, keeping constant temperature and pressure, and adding 0.5-2 parts by weight of brightener and 0.5-3 parts by weight of film-forming agent at constant rotation speed, and stirring for 5-15 min;
step five: standing for 5-10min, adding pigment 1-5 weight parts of the required color, mixing for 2-5min,
continuously cooling to normal temperature in the mixing process to obtain a mixture C;
step six: carrying out secondary extrusion on the mixture C, keeping the pressure at 3-4kpa and the temperature at 100-120 ℃; ensuring that the temperature of the extrusion zone is constant at 110 ℃ +/-5 ℃;
step seven: cooling, crushing and screening the materials in the seventh step; the diameter of the screened powder is 20-80 um.
The invention has the other beneficial effects that the production process of the powder coating is provided, and the powder coating can be produced better and more collectively through the process, so that the working efficiency is improved.
When the invention works: adding 30-80 parts by weight of epoxy resin, 0.1-1.5 parts by weight of curing agent, 40-80 parts by weight of barium sulfate, 1-3 parts by weight of flatting agent, 40-50 parts by weight of silicon dioxide, 0.1-0.5 part by weight of light stabilizer, 1.5 parts by weight of benzoin, 1.5-1.8 parts by weight of diamino diphenyl sulfone and 10-20 parts by weight of filler into a reaction kettle according to the proportion, and mixing and stirring to obtain a mixture A; putting the mixture A into an extruder for extrusion, wherein the pressure is kept at 7-8kpa, and the temperature is kept at 150-200 ℃; cooling, crushing and screening the extruded material to obtain a mixture B; mixing the mixture B again, keeping constant temperature and pressure, and adding 0.5-2 parts by weight of brightener and 0.5-3 parts by weight of film-forming agent at constant rotation speed, and stirring for 5-15 min; standing for 5-10min, adding 1-5 weight parts of pigment with required color, and mixing for 2-5 min; continuously cooling to normal temperature in the mixing process to obtain a mixture C; carrying out secondary extrusion on the mixture C, keeping the pressure at 3-4kpa and the temperature at 100-120 ℃; ensuring that the temperature of the extrusion zone is constant at 110 ℃ +/-5 ℃; cooling, crushing and screening the materials in the seventh step; the diameter of the screened powder is 20-80 um.
Detailed Description
The following clearly and completely describes a scheme of the wear-resistant antirust powder coating for the automobile hub in the first embodiment of the invention:
in order to achieve the purpose, the invention adopts the following technical scheme:
the wear-resistant antirust powder coating for the automobile hub comprises, by weight, 30-80 parts of epoxy resin, 0.1-1.5 parts of a curing agent, 40-80 parts of barium sulfate, 1-5 parts of a pigment, 1-3 parts of a flatting agent, 0.5-2 parts of a brightener, 40-50 parts of silicon dioxide, 0.1-0.5 part of a light stabilizer, 1.5 parts of benzoin, 1.5-1.8 parts of diaminodiphenyl sulfone, 10-20 parts of a filler and 0.5-3 parts of a film forming agent.
The silicon dioxide is nano silicon dioxide.
The brightener is one or a combination of more of polyurethane emulsion, liquid wax, silicone oil or emulsifier.
The film forming agent comprises one or more of a protein film forming agent, an acrylic resin film forming agent, a butadiene resin film forming agent, a polyurethane film forming agent and a nitrocellulose film forming agent.
The light stabilizer comprises an ultraviolet light absorber, and the ultraviolet light absorber comprises one or more of salicylic acid esters, benzophenones, benzotriazoles and substituted acrylonitrile.
The fixing agent comprises one or more of diaminocyclohexane, diethylenetriamine or tetraethylenepentamine.
The technical scheme of the production process of the wear-resistant and rust-proof powder coating for the automobile hub in the second embodiment of the invention is clearly and completely described as follows:
in order to achieve the purpose, the invention adopts the following technical scheme:
the method comprises the following steps: adding 30-80 parts by weight of epoxy resin, 0.1-1.5 parts by weight of curing agent, 40-80 parts by weight of barium sulfate, 1-3 parts by weight of flatting agent, 40-50 parts by weight of silicon dioxide, 0.1-0.5 part by weight of light stabilizer, 1.5 parts by weight of benzoin, 1.5-1.8 parts by weight of diamino diphenyl sulfone and 10-20 parts by weight of filler into a reaction kettle according to the proportion, and mixing and stirring to obtain a mixture A;
step two: putting the mixture A into an extruder for extrusion, wherein the pressure is kept at 7-8kpa, and the temperature is kept at 150-200 ℃;
step three: cooling, crushing and screening the extruded material to obtain a mixture B;
step four: mixing the mixture B again, keeping constant temperature and pressure, and adding 0.5-2 parts by weight of brightener and 0.5-3 parts by weight of film-forming agent at constant rotation speed, and stirring for 5-15 min;
step five: standing for 5-10min, adding pigment 1-5 weight parts of the required color, mixing for 2-5min,
continuously cooling to normal temperature in the mixing process to obtain a mixture C;
step six: carrying out secondary extrusion on the mixture C, keeping the pressure at 3-4kpa and the temperature at 100-120 ℃; ensuring that the temperature of the extrusion zone is constant at 110 ℃ +/-5 ℃;
step seven: cooling, crushing and screening the materials in the seventh step; the diameter of the screened powder is 20-80 um.
When the second purpose of the invention works, 40 parts by weight of epoxy resin, 0.5 part by weight of curing agent, 50 parts by weight of barium sulfate, 2 parts by weight of flatting agent, 45 parts by weight of silicon dioxide, 0 part by weight of light stabilizer, 1.5 parts by weight of benzoin, 1.6 parts by weight of diamino diphenyl sulfone and 15 parts by weight of filler are added into a reaction kettle according to the proportion, and mixed and stirred to obtain a mixture A; putting the mixture A into an extruder for extrusion, wherein the pressure is kept at 7-8kpa, and the temperature is kept at 150-200 ℃; cooling, crushing and screening the extruded material to obtain a mixture B; mixing the mixture B again, keeping the temperature and pressure constant, keeping the rotating speed constant, adding 1.5 parts by weight of brightener and 2 parts by weight of film-forming agent, and continuously stirring for 5-15 min; standing for 5-10min, adding 2 parts by weight of pigment with required color, and mixing for 2-5 min; continuously cooling to normal temperature in the mixing process to obtain a mixture C; carrying out secondary extrusion on the mixture C, keeping the pressure at 3-4kpa and the temperature at 100-120 ℃; ensuring that the temperature of the extrusion zone is constant at 110 ℃ +/-5 ℃; cooling, crushing and screening the materials in the seventh step; the diameter of the screened powder is 20-80 um.
Experiments show that the proportion is mixed to be an optimal scheme.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may be made by those skilled in the art without departing from the principle of the invention, and such modifications should also be considered as within the scope of the invention.
Claims (7)
1. The wear-resistant antirust powder coating for the automobile hub is characterized by comprising, by weight, 30-80 parts of epoxy resin, 0.1-1.5 parts of a curing agent, 40-80 parts of barium sulfate, 1-5 parts of a pigment, 1-3 parts of a leveling agent, 0.5-2 parts of a brightening agent, 40-50 parts of silicon dioxide, 0.1-0.5 part of a light stabilizer, 1.5 parts of benzoin, 1.5-1.8 parts of diaminodiphenyl sulfone, 10-20 parts of a filler and 0.5-3 parts of a film forming agent.
2. The wear-resistant antirust powder coating for the automobile hub according to claim 1, wherein the silica is nano silica.
3. The wear-resistant antirust powder coating for the automobile hub according to claim 1, characterized in that: the brightener is one or a combination of more of polyurethane emulsion, liquid wax, silicone oil or emulsifier.
4. The wear-resistant antirust powder coating for the automobile hub according to claim 1, characterized in that: the film forming agent comprises one or more of a protein film forming agent, an acrylic resin film forming agent, a butadiene resin film forming agent, a polyurethane film forming agent and a nitrocellulose film forming agent.
5. The wear-resistant antirust powder coating for the automobile hub according to claim 1, characterized in that: the light stabilizer comprises an ultraviolet light absorber, and the ultraviolet light absorber comprises one or more of salicylic acid esters, benzophenones, benzotriazoles and substituted acrylonitrile.
6. The wear-resistant antirust powder coating for the automobile hub according to claim 1, characterized in that: the fixing agent comprises one or more of diaminocyclohexane, diethylenetriamine or tetraethylenepentamine.
7. The production process of the wear-resistant antirust powder coating for the automobile hub according to claim 1, characterized by comprising the following steps:
the method comprises the following steps: adding 30-80 parts by weight of epoxy resin, 0.1-1.5 parts by weight of curing agent, 40-80 parts by weight of barium sulfate, 1-3 parts by weight of flatting agent, 40-50 parts by weight of silicon dioxide, 0.1-0.5 part by weight of light stabilizer, 1.5 parts by weight of benzoin, 1.5-1.8 parts by weight of diamino diphenyl sulfone and 10-20 parts by weight of filler into a reaction kettle according to the proportion, and mixing and stirring to obtain a mixture A;
step two: putting the mixture A into an extruder for extrusion, wherein the pressure is kept at 7-8kpa, and the temperature is kept at 150-200 ℃;
step three: cooling, crushing and screening the extruded material to obtain a mixture B;
step four: mixing the mixture B again, keeping constant temperature and pressure, and adding 0.5-2 parts by weight of brightener and 0.5-3 parts by weight of film-forming agent at constant rotation speed, and stirring for 5-15 min;
step five: standing for 5-10min, adding pigment 1-5 weight parts of the required color, mixing for 2-5min,
continuously cooling to normal temperature in the mixing process to obtain a mixture C;
step six: carrying out secondary extrusion on the mixture C, keeping the pressure at 3-4kpa and the temperature at 100-120 ℃; ensuring that the temperature of the extrusion zone is constant at 110 ℃ +/-5 ℃;
step seven: cooling, crushing and screening the materials in the seventh step; the diameter of the screened powder is 20-80 um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911394451.7A CN111040580A (en) | 2019-12-30 | 2019-12-30 | Wear-resistant antirust powder coating for automobile hub and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911394451.7A CN111040580A (en) | 2019-12-30 | 2019-12-30 | Wear-resistant antirust powder coating for automobile hub and production process thereof |
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| Publication Number | Publication Date |
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| CN111040580A true CN111040580A (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911394451.7A Pending CN111040580A (en) | 2019-12-30 | 2019-12-30 | Wear-resistant antirust powder coating for automobile hub and production process thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060173113A1 (en) * | 2005-02-01 | 2006-08-03 | Nippon Paint Co., Ltd. | Powder coating composition and coating method of aluminum wheel |
| CN102911585A (en) * | 2012-09-28 | 2013-02-06 | 广州擎天实业有限公司 | Special primer paint for medium and high grade automobile aluminum hubs and preparation method of primer paint |
| CN103205175A (en) * | 2013-04-22 | 2013-07-17 | 扬州三川实业有限公司 | Epoxy powder coating for preventing auto parts from being corroded |
-
2019
- 2019-12-30 CN CN201911394451.7A patent/CN111040580A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060173113A1 (en) * | 2005-02-01 | 2006-08-03 | Nippon Paint Co., Ltd. | Powder coating composition and coating method of aluminum wheel |
| CN102911585A (en) * | 2012-09-28 | 2013-02-06 | 广州擎天实业有限公司 | Special primer paint for medium and high grade automobile aluminum hubs and preparation method of primer paint |
| CN103205175A (en) * | 2013-04-22 | 2013-07-17 | 扬州三川实业有限公司 | Epoxy powder coating for preventing auto parts from being corroded |
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Application publication date: 20200421 |
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