CN108160428A - A kind of spraying method of aluminium alloy extrusions - Google Patents
A kind of spraying method of aluminium alloy extrusions Download PDFInfo
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- CN108160428A CN108160428A CN201611116296.9A CN201611116296A CN108160428A CN 108160428 A CN108160428 A CN 108160428A CN 201611116296 A CN201611116296 A CN 201611116296A CN 108160428 A CN108160428 A CN 108160428A
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- aluminium alloy
- sprayed
- alloy extrusions
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- degreasing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/10—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
- B05D3/102—Pretreatment of metallic substrates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/12—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by mechanical means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/52—Two layers
- B05D7/54—No clear coat specified
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2202/00—Metallic substrate
- B05D2202/20—Metallic substrate based on light metals
- B05D2202/25—Metallic substrate based on light metals based on Al
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2350/00—Pretreatment of the substrate
- B05D2350/60—Adding a layer before coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2502/00—Acrylic polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2518/00—Other type of polymers
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
The invention discloses the spraying methods on a kind of aluminium alloy extrusions, by multilayer spraying process, can fully improve the intensity of aluminium alloy and wear-resisting, corrosion resistance.Technical solution provided by the invention, includes the following steps：Ungrease treatment, washing, drying, sandblasting, dedusting, primer spray, topcoating, drying.Aluminium alloy extrusions after spraying process provided by the present invention spraying, not easy to foaming in spraying process, hardness of paint film is significantly improved, and with excellent wearability and corrosion resistance.Approximate dumb light color and luster is smoothly presented in aluminium alloy section surface after spraying, and greasy dirt adhesive force is low, will not leave finger mark, is particularly suitable for the making of high-grade home appliance panel.
Description
Technical field
The invention belongs to spraying process technical field, more particularly, to a kind of spraying method of aluminium alloy panel.
Background technology
Aluminium alloy is most widely used one kind non-ferrous metal structural material in industry, in Aeronautics and Astronautics, automobile, machinery
It has been widely applied in manufacture, ship and chemical industry.With the rapid development of science and technology and industrial economy, to aluminum alloy welding
The demand of binding component is increasing.Aluminium alloy density is low, but intensity is higher, and near or above high-quality steel, plasticity is good, can add
Work has excellent electric conductivity, thermal conductivity into various section bars.Aluminium alloy is common a kind of section bar in field of household appliances, is closed by aluminium
Home appliance panel made of golden material has metallic luster, is loved by consumers.Aluminium alloy quality is light, and manufacture is of low cost, but
Material is partially soft, and intensity is relatively low, and in order to overcome drawbacks described above, generally use almag replaces aluminium alloy.Almag aluminium sheet
Matter heavily fortified point amount is light, thermal diffusivity is preferable, crushing resistance is stronger, and hardness is high compared with aluminium alloy, but simultaneously not bery firm wear-resisting, and cost is higher,
It is more expensive.
Invention content
To solve the above problems, the invention discloses the spraying method on a kind of aluminium alloy extrusions, work is sprayed by multilayer
Skill can fully improve the intensity of aluminium alloy and wear-resisting, corrosion resistance.
In order to achieve the above object, the present invention provides following technical solution：
A kind of spraying method of aluminium alloy extrusions, includes the following steps：
Aluminium alloy extrusions to be sprayed is put into degreasing bath, dipping degreasing 3~4 minutes, controlled at 20 DEG C~45 DEG C, degreasing
Degreasing agent in slot includes the raw material components of following parts by weight：Sulfuric acid（97%）30~50, citric acid 5~10, ammonium acid fluoride
3~8, sodium nitrate 1~3, ferric sulfate 0.5~2, trichloro ethylene 0.5~2, fluorinated hydrocarbon solvent 0.05~0.4；Surfactant；
The aluminium alloy type timber-used tap water to be sprayed that degreasing is completed rinses 3~5 minutes；
Aluminium alloy extrusions to be sprayed is put into baking oven, drying temperature is 150 DEG C~200 DEG C, and the time is 5 minutes~15 minutes；
Blasting treatment is carried out to aluminium alloy extrusions to be sprayed using 800 mesh diamond dust；
Processing is dusted to the dust of aluminium alloy section surface to be sprayed with anion dust-extraction unit；
It forms a film using without the surface treatment liquid pressed against in aluminium alloy section surface to be sprayed；
Aluminium alloy extrusions to be sprayed is sprayed using primer base, each raw material components of the primer base and parts by weight are such as
Under：Ethyl acetate 8~10, thermoplastic acrylic resin 20~40, diethylene glycol ether 3~5, magnesium powder 10~15, propylene glycol list
Propyl ether 0.5~3, diethylene glycol ether 0.5~2, dimethyl silicone polymer：0.05~0.5；
The magnesium powder first via with xylene soak, and adds in amino silane and fully shakes before use preferably using 800 mesh grain sizes
Dispersion is swung, magnesium powder is 500 with amino silane proportion:1~20；
Using finishing coat to being sprayed by the section bar of basecoat paint, the topcoat paint includes the raw material of following parts by weight
Component：Polyurethane 10~15, toluene 20~30, butyl acetate：8~12；Nano silicon dioxide：1.5~5.5, nano silicon carbide
Silicon：2.5~6.5, dimethyl silicone polymer：0.5~1.5；
The section bar for passing through above-mentioned processing is kept flat naturally at room temperature, flow time 5~10 minutes；
By by levelling section bar at a temperature of 100 DEG C prebake conditions 1 minute~3 minutes；
Section bar Jing Guo prebake conditions is toasted 10 minutes~15 minutes at a temperature of 180-240 DEG C.
Preferably, the surface treatment liquid includes the raw material components of following parts by weight：Poly vanadic acid ammonia 6, secondary phosphorous
Sour sodium 10, oxygroup vanadium trichloride 4, manganese carbonate 4, citric acid 10.
Preferably, each raw material components of the primer base and parts by weight are as follows：Ethyl acetate 9, thermoplastic acrylic tree
Fat 30, diethylene glycol ether 4, magnesium powder 13.5, propylene glycol monopropyl ether 2, diethylene glycol ether 1, dimethyl silicone polymer：0.2；
Preferably, each raw material components of the topcoat paint and parts by weight are as follows：Polyurethane 13, toluene 28, butyl acetate：
10；Nano silicon dioxide：3.2nd, nanometer silicon carbide：4.5th, dimethyl silicone polymer：1.2；
Preferably, the magnesium powder is 800 mesh magnesium powders.
Advantageous effect：
Aluminium alloy extrusions after spraying process provided by the present invention spraying, not easy to foaming in spraying process, hardness of paint film
It is significantly improved, and with excellent wearability and corrosion resistance.Aluminium alloy section surface after spraying smoothly presents approximate mute
Photochromic pool, greasy dirt adhesive force is low, will not leave finger mark, is particularly suitable for the making of high-grade home appliance panel.
Specific embodiment
Technical solution provided by the invention is described in detail below with reference to specific embodiment, it should be understood that following specific
Embodiment is only illustrative of the invention and is not intended to limit the scope of the invention.
Embodiment one：
Aluminium alloy extrusions to be sprayed is put into degreasing bath, dipping degreasing 3~4 minutes, controlled at 20 DEG C~45 DEG C, degreasing
Each raw material components of degreasing agent and parts by weight in slot are as follows：Sulfuric acid（97%）30~50, citric acid 5~10, ammonium acid fluoride 3~
8, sodium nitrate 1~3, ferric sulfate 0.5~2, trichloro ethylene 0.5~2, fluorinated hydrocarbon solvent 0.05~0.4；Surfactant；Through acid
After losing ungrease treatment, the greasy dirt of almag Surface of profile can be removed and formed in prolonged storage autoxidation
Film, the light for replying metal script are clean.
The aluminium alloy type timber-used tap water to be sprayed that degreasing is completed rinses 3~5 minutes；
Aluminium alloy extrusions to be sprayed is put into baking oven, drying temperature is 150 DEG C~200 DEG C, and the time is 5 minutes~15 minutes；
Blasting treatment is carried out to aluminium alloy extrusions to be sprayed using 800 mesh diamond dust；
Processing is dusted to the dust of aluminium alloy section surface to be sprayed with anion dust-extraction unit；
It forms a film using without the surface treatment liquid pressed against in aluminium alloy section surface to be sprayed.Each raw material components of surface treatment liquid and again
It is as follows to measure number：Poly vanadic acid ammonia 5, sodium hypophosphite 8, oxygroup vanadium trichloride 3, manganese carbonate 3, citric acid 10, and using cathode
DC electrolysis processing carries out the surface filming of almag section bar.
Aluminium alloy extrusions to be sprayed is sprayed using primer base, each raw material components of the primer base and parts by weight
Number is as follows：Ethyl acetate 8, thermoplastic acrylic resin 20, diethylene glycol ether 3, magnesium powder 10, propylene glycol monopropyl ether 0.5, two
Ethylene glycol ethyl ether 0.5, dimethyl silicone polymer：0.05；
The magnesium powder uses 800 mesh grain sizes, first via with xylene soak, and adds in amino silane fully shaking point before use
It dissipates, magnesium powder is 500 with amino silane proportion:10；
Using finishing coat to being sprayed by the section bar of basecoat paint, each raw material components of the topcoat paint and parts by weight are such as
Under：Polyurethane 10, toluene 20, butyl acetate：8；Nano silicon dioxide：1.5th, nanometer silicon carbide：2.5th, polydimethylsiloxanes
Alkane：0.5；
The section bar for passing through above-mentioned processing is kept flat naturally at room temperature, flow time 5 minutes；
By by levelling section bar at a temperature of 100 DEG C prebake conditions 1 minute；
Section bar Jing Guo prebake conditions is toasted 10 minutes at a temperature of 180-240 DEG C.
Solvent and diluent are also possible that in treatment fluid, priming paint, finishing coat, the molten of industry routine can be used in the present invention
Pure water and the mixture of deionized water can also be used in liquid, such as pure water（Quality proportioning is 1:0.05~0.3）.
Embodiment two：
Aluminium alloy extrusions to be sprayed is put into degreasing bath, dipping degreasing 3~4 minutes, controlled at 20 DEG C~45 DEG C, degreasing
Each raw material components of degreasing agent and parts by weight in slot are as follows：Sulfuric acid（97%）30~50, citric acid 5~10, ammonium acid fluoride 3~
8, sodium nitrate 1~3, ferric sulfate 0.5~2, trichloro ethylene 0.5~2, fluorinated hydrocarbon solvent 0.05~0.4；Surfactant；Through acid
After losing ungrease treatment, the greasy dirt of almag Surface of profile can be removed and formed in prolonged storage autoxidation
Film, the light for replying metal script are clean.
The aluminium alloy type timber-used tap water to be sprayed that degreasing is completed rinses 3~5 minutes；
Aluminium alloy extrusions to be sprayed is put into baking oven, drying temperature is 150 DEG C~200 DEG C, and the time is 5 minutes~15 minutes；
Blasting treatment is carried out to aluminium alloy extrusions to be sprayed using 800 mesh diamond dust；
Processing is dusted to the dust of aluminium alloy section surface to be sprayed with anion dust-extraction unit；
It forms a film using without the surface treatment liquid pressed against in aluminium alloy section surface to be sprayed.Each raw material components of surface treatment liquid and again
It is as follows to measure number：Poly vanadic acid ammonia 6, sodium hypophosphite 10, oxygroup vanadium trichloride 4, manganese carbonate 4, citric acid 10, and using conventional
Anode, Cathode DC electrolysis method carry out almag section bar surface filming.
Aluminium alloy extrusions to be sprayed is sprayed using primer base, each raw material components of the primer base and parts by weight
Number is as follows：Ethyl acetate 9, thermoplastic acrylic resin 30, diethylene glycol ether 4, magnesium powder 12, propylene glycol monopropyl ether 2, diethyl
Glycol ether 1, dimethyl silicone polymer：0.2；
The magnesium powder first via with xylene soak, and adds in amino silane and fully shakes before use preferably using 800 mesh grain sizes
Dispersion is swung, magnesium powder is 500 with amino silane proportion:15；
Using finishing coat to being sprayed by the section bar of basecoat paint, each raw material components of the topcoat paint and parts by weight are such as
Under：Polyurethane 12, toluene 25, butyl acetate：10；Nano silicon dioxide：2.5th, nanometer silicon carbide：4th, polydimethylsiloxanes
Alkane：1.0；
The section bar for passing through above-mentioned processing is kept flat naturally at room temperature, flow time 8 minutes；
By by levelling section bar at a temperature of 100 DEG C prebake conditions 2 minutes；
Section bar Jing Guo prebake conditions at a temperature of 180-240 DEG C is toasted 12 minutes, obtains the aluminium alloy extrusions that spraying is completed.
Embodiment three：
Aluminium alloy extrusions to be sprayed is put into degreasing bath, dipping degreasing 3~4 minutes, controlled at 20 DEG C~45 DEG C, degreasing
Each raw material components of degreasing agent and parts by weight in slot are as follows：Sulfuric acid（97%）30~50, citric acid 5~10, ammonium acid fluoride 3~
8, sodium nitrate 1~3, ferric sulfate 0.5~2, trichloro ethylene 0.5~2, fluorinated hydrocarbon solvent 0.05~0.4；Surfactant；Through acid
After losing ungrease treatment, the greasy dirt of almag Surface of profile can be removed and formed in prolonged storage autoxidation
Film, the light for replying metal script are clean.
The aluminium alloy type timber-used tap water to be sprayed that degreasing is completed rinses 3~5 minutes；
Aluminium alloy extrusions to be sprayed is put into baking oven, drying temperature is 150 DEG C~200 DEG C, and the time is 5 minutes~15 minutes；
Blasting treatment is carried out to aluminium alloy extrusions to be sprayed using 800 mesh diamond dust；
Processing is dusted to the dust of aluminium alloy section surface to be sprayed with anion dust-extraction unit；
It forms a film using without the surface treatment liquid pressed against in aluminium alloy section surface to be sprayed.Each raw material components of surface treatment liquid and again
It is as follows to measure number：Poly vanadic acid ammonia 6, sodium hypophosphite 10, oxygroup vanadium trichloride 4, manganese carbonate 4, citric acid 10, and using conventional
Anode, Cathode DC electrolysis method carry out almag section bar surface filming.
Aluminium alloy extrusions to be sprayed is sprayed using primer base, each raw material components of the primer base and parts by weight
Number is as follows：Ethyl acetate 9, thermoplastic acrylic resin 30, diethylene glycol ether 4, magnesium powder 13.5, propylene glycol monopropyl ether 2, two
Ethylene glycol ethyl ether 1, dimethyl silicone polymer：0.2；
The magnesium powder first via with xylene soak, and adds in amino silane and fully shakes before use preferably using 800 mesh grain sizes
Dispersion is swung, magnesium powder is 500 with amino silane proportion:18；
Using finishing coat to being sprayed by the section bar of basecoat paint, each raw material components of the topcoat paint and parts by weight are such as
Under：Polyurethane 13, toluene 28, butyl acetate：10；Nano silicon dioxide：3.2nd, nanometer silicon carbide：4.5th, polydimethylsiloxanes
Alkane：1.2；
The section bar for passing through above-mentioned processing is kept flat naturally at room temperature, flow time 8 minutes；
By by levelling section bar at a temperature of 100 DEG C prebake conditions 2 minutes；
Section bar Jing Guo prebake conditions at a temperature of 180-240 DEG C is toasted 15 minutes, obtains the aluminium alloy extrusions that spraying is completed.
Example IV：
Aluminium alloy extrusions to be sprayed is put into degreasing bath, dipping degreasing 3~4 minutes, controlled at 20 DEG C~45 DEG C, degreasing
Each raw material components of degreasing agent and parts by weight in slot are as follows：Sulfuric acid（97%）30~50, citric acid 5~10, ammonium acid fluoride 3~
8, sodium nitrate 1~3, ferric sulfate 0.5~2, trichloro ethylene 0.5~2, fluorinated hydrocarbon solvent 0.05~0.4；Surfactant；Through acid
After losing ungrease treatment, the greasy dirt of almag Surface of profile can be removed and formed in prolonged storage autoxidation
Film, the light for replying metal script are clean.
The aluminium alloy type timber-used tap water to be sprayed that degreasing is completed rinses 3~5 minutes；
Aluminium alloy extrusions to be sprayed is put into baking oven, drying temperature is 150 DEG C~200 DEG C, and the time is 5 minutes~15 minutes；
Blasting treatment is carried out to aluminium alloy extrusions to be sprayed using 800 mesh diamond dust；
Processing is dusted to the dust of aluminium alloy section surface to be sprayed with anion dust-extraction unit；
It forms a film using without the surface treatment liquid pressed against in aluminium alloy section surface to be sprayed.Each raw material components of surface treatment liquid and again
It is as follows to measure number：Poly vanadic acid ammonia 7, sodium hypophosphite 12, oxygroup vanadium trichloride 5, manganese carbonate 5, citric acid 10, and using conventional
Anode, Cathode DC electrolysis method carry out almag section bar surface filming.
Aluminium alloy extrusions to be sprayed is sprayed using primer base, each raw material components of the primer base and parts by weight
Number is as follows：Ethyl acetate 10, thermoplastic acrylic resin 40, diethylene glycol ether 5, magnesium powder 15, propylene glycol monopropyl ether 3, two
Ethylene glycol ethyl ether 2, dimethyl silicone polymer：0.05-0.5；
The magnesium powder first via with xylene soak, and adds in amino silane and fully shakes before use preferably using 800 mesh grain sizes
Dispersion is swung, magnesium powder is 500 with amino silane proportion:20；
Using finishing coat to being sprayed by the section bar of basecoat paint, each raw material components of the topcoat paint and parts by weight are such as
Under：Polyurethane 15, toluene 30, butyl acetate：12；Nano silicon dioxide：5.5th, nanometer silicon carbide：6.5th, polydimethylsiloxanes
Alkane：1.5；
The section bar for passing through above-mentioned processing is kept flat naturally at room temperature, flow time 10 minutes；
By by levelling section bar at a temperature of 100 DEG C prebake conditions 3 minutes；
Section bar Jing Guo prebake conditions at a temperature of 180-240 DEG C is toasted 15 minutes, obtains the aluminium alloy extrusions that spraying is completed.
The aluminium alloy extrusions that embodiment one to four obtains, test show its friction coefficient less than 0.1, and smooth surface presents mute
Photochromic pool.The hardness (GB/T6739-1996) of coating, wearability (GB/T1768-2006), corrosion resistance (GB/T20854-
2007) test result is shown in table 1 below.
The technical means disclosed in the embodiments of the present invention is not limited only to the technological means disclosed in the above embodiment, further includes
By more than technical characteristic arbitrarily the formed technical solution of combination.It should be pointed out that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (6)
1. a kind of spraying method of aluminium alloy extrusions, which is characterized in that include the following steps：
Aluminium alloy extrusions to be sprayed is put into degreasing bath, dipping degreasing 3~4 minutes, controlled at 20 DEG C~45 DEG C, degreasing
Degreasing agent in slot includes the raw material components of following parts by weight：97% sulfuric acid 30~50, citric acid 5~10, ammonium acid fluoride
3~8, sodium nitrate 1~3, ferric sulfate 0.5~2, trichloro ethylene 0.5~2, fluorinated hydrocarbon solvent 0.05~0.4；Surfactant；
The aluminium alloy type timber-used tap water to be sprayed that degreasing is completed rinses 3~5 minutes；
Aluminium alloy extrusions to be sprayed is put into baking oven, drying temperature is 150 DEG C~200 DEG C, and the time is 5 minutes~15 minutes；
Blasting treatment is carried out to aluminium alloy extrusions to be sprayed using 800 mesh diamond dust；
Processing is dusted to the dust of aluminium alloy section surface to be sprayed with anion dust-extraction unit；
It is formed a film using chromium-free surface treatment liquid in aluminium alloy section surface to be sprayed；
Aluminium alloy extrusions to be sprayed is sprayed using primer base, each raw material components of the primer base and parts by weight are such as
Under：Ethyl acetate 8~10, thermoplastic acrylic resin 20~40, diethylene glycol ether 3~5, magnesium powder 10~15, propylene glycol list
Propyl ether 0.5~3, diethylene glycol ether 0.5~2, dimethyl silicone polymer：0.05~0.5；
Using finishing coat to being sprayed by the section bar of basecoat paint, the topcoat paint includes the raw material of following parts by weight
Component：Polyurethane 10~15, toluene 20~30, butyl acetate 8~12；Nano silicon dioxide 1.5~5.5, nanometer silicon carbide
2.5~6.5, dimethyl silicone polymer：0.5~1.5；
The section bar for passing through above-mentioned processing is kept flat naturally at room temperature, flow time 5~10 minutes；
By by levelling section bar at a temperature of 100 DEG C prebake conditions 1 minute~3 minutes；
Section bar Jing Guo prebake conditions is toasted 10 minutes~15 minutes at a temperature of 180-240 DEG C.
2. the spraying method of aluminium alloy extrusions according to claim 1, which is characterized in that the surface treatment liquid include with
Under each parts by weight raw material components：Poly vanadic acid ammonia 6, sodium hypophosphite 10, vanadium oxytrichloride 4, manganese carbonate 4, citric acid 10.
3. the spraying method of aluminium alloy extrusions according to claim 1 or 2, which is characterized in that each original of primer base
Expect that component and part is as follows：Ethyl acetate 9, thermoplastic acrylic resin 30, diethylene glycol ether 4, magnesium powder 13.5, the third two
Alcohol list propyl ether 2, diethylene glycol ether 1, dimethyl silicone polymer：0.2.
4. the spraying method of aluminium alloy extrusions according to claim 1 or 2, which is characterized in that each original of topcoat paint
Expect that component and part is as follows：Polyurethane 13, toluene 28, butyl acetate：10；Nano silicon dioxide：3.2nd, nano silicon carbide
Silicon：4.5th, dimethyl silicone polymer：1.2.
5. the spraying method of aluminium alloy extrusions according to claim 1, which is characterized in that the magnesium powder is 800 mesh magnesium powders.
6. the spraying method of aluminium alloy extrusions according to claim 3, which is characterized in that the magnesium powder is 800 mesh magnesium powders.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611116296.9A CN108160428A (en) | 2016-12-07 | 2016-12-07 | A kind of spraying method of aluminium alloy extrusions |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611116296.9A CN108160428A (en) | 2016-12-07 | 2016-12-07 | A kind of spraying method of aluminium alloy extrusions |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113877790A (en) * | 2021-10-26 | 2022-01-04 | 邹勇 | Novel advertisement profile surface treatment method |
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2016
- 2016-12-07 CN CN201611116296.9A patent/CN108160428A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113877790A (en) * | 2021-10-26 | 2022-01-04 | 邹勇 | Novel advertisement profile surface treatment method |
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Application publication date: 20180615 |