CN108641589A - A kind of aluminium alloy door's window profile of anti-chloride ion-containing mortar corrosion - Google Patents
A kind of aluminium alloy door's window profile of anti-chloride ion-containing mortar corrosion Download PDFInfo
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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
- C09D5/44—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for electrophoretic applications
- C09D5/4419—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for electrophoretic applications with polymers obtained otherwise than by polymerisation reactions only involving carbon-to-carbon unsaturated bonds
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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
- C09D5/44—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for electrophoretic applications
- C09D5/4473—Mixture of polymers
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- 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
- C09D5/44—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for electrophoretic applications
- C09D5/448—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for electrophoretic applications characterised by the additives used
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
- C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/047—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with magnesium as the next major constituent
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D13/00—Electrophoretic coating characterised by the process
- C25D13/04—Electrophoretic coating characterised by the process with organic material
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Abstract
The invention belongs to aluminum alloy doors and windows processing technique fields, and in particular to a kind of aluminium alloy door's window profile of anti-chloride ion-containing mortar corrosion, the elemental constituent of aluminium alloy door's window profile include：Manganese 0.02 0.06%, copper 0.03 0.07%, iron 0.28 0.36%, zinc 0.06 0.08%, chromium 0.03 0.07%, titanium 0.01 0.03%, magnesium 0.6 0.8%, silicon 0.35 0.45%, tungsten 0.22 0.32%, tin 0.03 0.07%, surplus are aluminium and trace impurity.The present invention has the following advantages compared with prior art：Method ensures to enhance its toughness while intensity of aluminum alloy in the present invention, then pass through reasonable preparation electrophoretic coating, it has been formed on its surface fine and close, smooth film, coating system performance is stablized, the resistance to hydrochloric acid for enhancing aluminum alloy materials, the mortar of resistance to chloride ion-containing, the non-corrosive feature of salt tolerant, suitable for promoting the use of.
Description
Technical field
The invention belongs to aluminum alloy doors and windows processing technique fields, and in particular to a kind of aluminium conjunction of anti-chloride ion-containing mortar corrosion
Jinmen window profile.
Background technology
Aluminium alloy has that density is small, easy processing molding, electrical and thermal conductivity are good and numerous excellent performances such as resourceful, is
A kind of non-ferrous metal structural material being most widely used in industry, in space flight, aviation, traffic, building materials, oil, chemical industry, electricity
The fields such as son, electric power, national defence are widely used, aluminium alloy door's window profile of part coastal area, due to the use of sea sand mixing
Plastering mortar contacts post-etching ratio in mortar with caused by proximate matter haptoreaction containing higher chlorion with aluminum alloy doors and windows
More serious, after testing, the chlorine ion concentration of mortar is 0.23-1.92%, pH value 7.7-11.6, in order to avoid aluminum alloy doors and windows
Corroded by chloride ion-containing, prepared by further Improvement to aluminium alloy door's window profile.
Invention content
The purpose of the present invention is for existing problem, provide a kind of aluminum alloy doors and windows of anti-chloride ion-containing mortar corrosion
Proximate matter.
The present invention is achieved by the following technical solutions：A kind of aluminum alloy doors and windows type of anti-chloride ion-containing mortar corrosion
Material, preparation method includes the following steps：
（1）The elemental constituent of aluminium alloy door's window profile includes：By weight, manganese 0.02-0.06%, copper 0.03-0.07%, iron
0.28-0.36%, zinc 0.06-0.08%, chromium 0.03-0.07%, titanium 0.01-0.03%, magnesium 0.6-0.8%, silicon 0.35-0.45%, tungsten
0.22-0.32%, tin 0.03-0.07%, surplus are aluminium and trace impurity；
（2）Progress melting, extruding after preparing raw material are matched by the above element and obtains extrusion, and after heat treatment it is taken off
Fat, cleaning, drying obtain the paint film that thickness is 15-20 μm by electrophoresis on its surface after the completion；
In electrophoresis process, coating used includes the raw material of following parts by weight：35-45 parts of the organic siliconresin containing siloxy,
6-12 parts of methyl methacrylate, 18-24 parts of vinyl polyhedral oligomeric silsesquioxane, gamma-aminopropyl-triethoxy-silane
6-10 parts, α-cyanogen is for 1-3 parts of acrylate, 1.2-2.2 parts of polyvinyl formal, wooden sodium sulfonate 0.6-1.4 parts, tertiary carbon
4.2-5.6 parts of vinyl acetate, 3.6-4.8 parts of urea, 0.8-1.6 parts of AEO carboxylic acid sodium, ethyl orthosilicate
0.2-0.6 parts, 6-10 parts of ethyl alcohol, 2.8-6.6 parts of titanate coupling agent modified nano-bentonite, 1-2 parts of emulsifier, stabilizer
0.4-0.8 parts；
The preparation method of the titanate coupling agent modified nano-bentonite is to dry nano-bentonite to water content and be less than
After 0.2%, it is dispersed in the isopropanol for being equivalent to 2-3 times of its weight using ultrasonic cell disrupte machine, then in ultrasonication
Lower be added is equivalent to the titanate coupling agent of nano-bentonite dried feed weight 6-8%, in temperature is 85-95 DEG C after the completion of addition
Under conditions of handle 20-30 minutes, be filtered under diminished pressure after the completion, it is dry to get.
As further improvement of these options, the step（2）Further include polishing step, polishing process after heat treatment
To be polished 30-40 minutes with the sand paper that mesh number is 1000 mesh, rinsed after the completion with ethyl alcohol.
As further improvement of these options, the hydroxyl in the organic siliconresin containing siloxy on silicone hydroxyl
The 0.5-4% of fiduciary point organic siliconresin total amount, organic siliconresin be methyl silicon resin, phenyl polysiloxane, methyl phenyl silicone resin,
One kind in hydrogeneous silicones, methyl vinyl silicone.
It is anode with aluminum alloy materials, lead electrode is in the electrophoresis work as further improvement of these options
Cathode, two electrode gap 35mm, construction voltage are 65-75V, and coating material temperature is 28-32 DEG C, and electrophoresis time is 80-100 seconds；Gu
It is 155-165 DEG C to change temperature, and hardening time is 25-35 minutes.
As further improvement of these options, the titanate coupling agent is NDZ-311.
As further improvement of these options, the emulsifier is dodecyl trimethyl ammonium bromide, cetyl
One kind in trimethylammonium bromide or organic functions polysiloxanes containing quaternary ammonium group.
As further improvement of these options, the stabilizer is carbon black and triphenyl phosphite with weight ratio 1:6-
8 are mixed to get.
As further improvement of these options, the smelting temperature is 540-560 DEG C, smelting time 2.5-3.5
Hour；The preheating temperature of the extrusion die is 490-510 DEG C, and extrusion speed is 20-30 ms/h.
As further improvement of these options, the heat treatment process includes four-stage, the temperature of first stage
It it is 460-470 DEG C, soaking time is 2-3 hours；The temperature of second stage is 515-525 DEG C, and soaking time is 30-40 minutes；
The temperature of phase III is 300-320 DEG C, and soaking time is 6-8 hours；The temperature of fourth stage is 180-200 DEG C, when heat preservation
Between be 20-30 minutes.
The present invention has the following advantages compared with prior art：Method in the present invention, by adjusting the content of magnesium, silicon, manganese, and
Tungsten and tin are increased, its toughness is enhanced while helping to ensure that intensity of aluminum alloy, then by reasonable preparation electrophoretic coating,
It is formed on its surface fine and close, smooth film, coating system performance is stablized, and uniformity is good, strong with aluminum alloy junction resultant force, can
Ensure that wearability, the non-corrosive feature of the resistance to hydrochloric acid for enhancing aluminum alloy materials, the mortar of resistance to chloride ion-containing, salt tolerant are suitable for promoting
It uses.
Specific implementation mode
Embodiment 1
A kind of aluminium alloy door's window profile of anti-chloride ion-containing mortar corrosion, preparation method includes the following steps：
（1）The elemental constituent of aluminium alloy door's window profile includes：By weight, manganese 0.04%, copper 0.05%, iron 0.32%, zinc
0.07%, chromium 0.05%, titanium 0.02%, magnesium 0.7%, silicon 0.4%, tungsten 0.28%, tin 0.05%, surplus are aluminium and trace impurity；
（2）Progress melting, extruding after preparing raw material are matched by the above element and obtains extrusion, and after heat treatment it is taken off
Fat, cleaning, drying obtain the paint film that thickness is 18 μm by electrophoresis on its surface after the completion；
In electrophoresis process, coating used includes the raw material of following parts by weight：40 parts of organic siliconresin, methyl containing siloxy
10 parts of methyl acrylate, 21 parts of vinyl polyhedral oligomeric silsesquioxane, 8 parts of gamma-aminopropyl-triethoxy-silane, α-cyanogen
For 2 parts of acrylate, 1.8 parts of polyvinyl formal, 1 part of wooden sodium sulfonate, 5 parts of tertiary ethylene carbonate, 4.2 parts of urea, fat
1.2 parts of fat alcohol polyoxyethylene ether carboxylic acid sodium, 0.4 part of ethyl orthosilicate, 8 parts of ethyl alcohol, titanate coupling agent modified nano-bentonite
4.2 parts, 1.5 parts of emulsifier, 0.6 part of stabilizer；
The preparation method of the titanate coupling agent modified nano-bentonite is to dry nano-bentonite to water content and be less than
After 0.2%, it is dispersed in using ultrasonic cell disrupte machine in the isopropanol for being equivalent to 2.5 times of its weight, then in ultrasonication
It is lower that the titanate coupling agent for being equivalent to nano-bentonite dried feed weight 7% is added, in condition at a temperature of 90 °C after the completion of addition
Lower processing 25 minutes, is filtered under diminished pressure after the completion, it is dry to get.
Wherein, the step（2）Further include polishing step after heat treatment, polishing process is with the sand paper that mesh number is 1000 mesh
Polishing 35 minutes, is rinsed with ethyl alcohol after the completion.
Wherein, the hydroxyl in the organic siliconresin containing siloxy on silicone hydroxyl accounts for organic siliconresin total amount
0.5-4%, organic siliconresin are methyl silicon resin；The titanate coupling agent is NDZ-311；The emulsifier is dodecyl
Trimethylammonium bromide；The stabilizer is carbon black and triphenyl phosphite with weight ratio 1:7 are mixed to get.
Wherein, it is anode with aluminum alloy materials, lead electrode is cathode, and two electrode gap 35mm are applied in the electrophoresis work
Work voltage is 70V, and coating material temperature is 30 DEG C, and electrophoresis time is 90 seconds；Solidification temperature is 160 DEG C, and hardening time is 30 minutes；
The smelting temperature is 550 DEG C, and smelting time is 3 hours；The preheating temperature of the extrusion die is 500 DEG C, squeezes speed
Degree is 25 ms/h；
The heat treatment process includes four-stage, and the temperature of first stage is 465 DEG C, and soaking time is 2.5 hours；Second-order
The temperature of section is 520 DEG C, and soaking time is 35 minutes；The temperature of phase III is 310 DEG C, and soaking time is 7 hours；Fourth order
The temperature of section is 190 DEG C, and soaking time is 25 minutes.
Embodiment 2
A kind of aluminium alloy door's window profile of anti-chloride ion-containing mortar corrosion, preparation method includes the following steps：
（1）The elemental constituent of aluminium alloy door's window profile includes：By weight, manganese 0.02%, copper 0.07%, iron 0.28%, zinc
0.06%, chromium 0.03%, titanium 0.01%, magnesium 0.6%, silicon 0.45%, tungsten 0.22%, tin 0.07%, surplus are aluminium and trace impurity；
（2）Progress melting, extruding after preparing raw material are matched by the above element and obtains extrusion, and after heat treatment it is taken off
Fat, cleaning, drying obtain the paint film that thickness is 15 μm by electrophoresis on its surface after the completion；
In electrophoresis process, coating used includes the raw material of following parts by weight：35 parts of organic siliconresin, methyl containing siloxy
12 parts of methyl acrylate, 24 parts of vinyl polyhedral oligomeric silsesquioxane, 6 parts of gamma-aminopropyl-triethoxy-silane, α-cyanogen
For 3 parts of acrylate, 1.2 parts of polyvinyl formal, 1.4 parts of wooden sodium sulfonate, 4.2 parts of tertiary ethylene carbonate, urea 4.8
Part, 0.8 part of AEO carboxylic acid sodium, 0.6 part of ethyl orthosilicate, 10 parts of ethyl alcohol, titanate coupling agent modified nanometer
2.8 parts of bentonite, 2 parts of emulsifier, 0.4 part of stabilizer；
The preparation method of the titanate coupling agent modified nano-bentonite is to dry nano-bentonite to water content and be less than
After 0.2%, it is dispersed in using ultrasonic cell disrupte machine in the isopropanol for being equivalent to 3 times of its weight, then under ultrasonication
The titanate coupling agent for being equivalent to nano-bentonite dried feed weight 6% is added, after the completion of addition under conditions of temperature is 95 DEG C
Processing 30 minutes, is filtered under diminished pressure after the completion, it is dry to get.
Wherein, the step（2）Further include polishing step after heat treatment, polishing process is with the sand paper that mesh number is 1000 mesh
Polishing 40 minutes, is rinsed with ethyl alcohol after the completion.
Wherein, the hydroxyl in the organic siliconresin containing siloxy on silicone hydroxyl accounts for organic siliconresin total amount
0.5-4%, organic siliconresin are phenyl polysiloxane；The titanate coupling agent is NDZ-311；The emulsifier is cetyl
Trimethylammonium bromide；The stabilizer is carbon black and triphenyl phosphite with weight ratio 1:6 are mixed to get.
Wherein, it is anode with aluminum alloy materials, lead electrode is cathode, and two electrode gap 35mm are applied in the electrophoresis work
Work voltage is 75V, and coating material temperature is 28 DEG C, and electrophoresis time is 80 seconds；Solidification temperature is 165 DEG C, and hardening time is 35 minutes；
The smelting temperature is 560 DEG C, and smelting time is 3.5 hours；The preheating temperature of the extrusion die is 490 DEG C, is squeezed
Speed is 30 ms/h；
The heat treatment process includes four-stage, and the temperature of first stage is 470 DEG C, and soaking time is 2 hours；Second stage
Temperature be 525 DEG C, soaking time be 30 minutes；The temperature of phase III is 300 DEG C, and soaking time is 8 hours；Fourth stage
Temperature be 180 DEG C, soaking time be 30 minutes.
Embodiment 3
A kind of aluminium alloy door's window profile of anti-chloride ion-containing mortar corrosion, preparation method includes the following steps：
（1）The elemental constituent of aluminium alloy door's window profile includes：By weight, manganese 0.06%, copper 0.03%, iron 0.36%, zinc
0.08%, chromium 0.07%, titanium 0.03%, magnesium 0.8%, silicon 0.35%, tungsten 0.32%, tin 0.03%, surplus are aluminium and trace impurity；
（2）Progress melting, extruding after preparing raw material are matched by the above element and obtains extrusion, and after heat treatment it is taken off
Fat, cleaning, drying obtain the paint film that thickness is 20 μm by electrophoresis on its surface after the completion；
In electrophoresis process, coating used includes the raw material of following parts by weight：45 parts of organic siliconresin, methyl containing siloxy
6 parts of methyl acrylate, 18 parts of vinyl polyhedral oligomeric silsesquioxane, 10 parts of gamma-aminopropyl-triethoxy-silane, α-cyanogen
For 3 parts of acrylate, 2.2 parts of polyvinyl formal, 1.4 parts of wooden sodium sulfonate, 5.6 parts of tertiary ethylene carbonate, urea 3.6
Part, 1.6 parts of AEO carboxylic acid sodium, 0.2 part of ethyl orthosilicate, 6 parts of ethyl alcohol, titanate coupling agent modified nanometer are swollen
6.6 parts of profit soil, 1 part of emulsifier, 0.4 part of stabilizer；
The preparation method of the titanate coupling agent modified nano-bentonite is to dry nano-bentonite to water content and be less than
After 0.2%, it is dispersed in using ultrasonic cell disrupte machine in the isopropanol for being equivalent to 2 times of its weight, then under ultrasonication
The titanate coupling agent for being equivalent to nano-bentonite dried feed weight 8% is added, after the completion of addition under conditions of temperature is 85 DEG C
Processing 20 minutes, is filtered under diminished pressure after the completion, it is dry to get.
Wherein, the step（2）Further include polishing step after heat treatment, polishing process is with the sand paper that mesh number is 1000 mesh
Polishing 40 minutes, is rinsed with ethyl alcohol after the completion.
Wherein, the hydroxyl in the organic siliconresin containing siloxy on silicone hydroxyl accounts for organic siliconresin total amount
0.5-4%, organic siliconresin are methyl phenyl silicone resin；The titanate coupling agent is NDZ-311；The emulsifier is containing season
The organic functions polysiloxanes of ammonium group；The stabilizer is carbon black and triphenyl phosphite with weight ratio 1:8 are mixed to get.
Wherein, it is anode with aluminum alloy materials, lead electrode is cathode, and two electrode gap 35mm are applied in the electrophoresis work
Work voltage is 65V, and coating material temperature is 32 DEG C, and electrophoresis time is 100 seconds；Solidification temperature is 155 DEG C, and hardening time is 25 minutes；
The smelting temperature is 540 DEG C, and smelting time is 2.5 hours；The preheating temperature of the extrusion die is 510 DEG C, is squeezed
Speed is 20 ms/h；
The heat treatment process includes four-stage, and the temperature of first stage is 460 DEG C, and soaking time is 3 hours；Second stage
Temperature be 515 DEG C, soaking time be 40 minutes；The temperature of phase III is 320 DEG C, and soaking time is 6 hours；Fourth stage
Temperature be 200 DEG C, soaking time be 20 minutes.
Control group 1 is set, the organic siliconresin containing siloxy in embodiment 1 is substituted for etc. to the not silane-containing of weight
The organic siliconresin of oxygroup, remaining content are constant；Control group 2 is set, tungsten in embodiment 1 is removed, remaining content is constant；Setting
Control group 3 removes tin in embodiment 1, remaining content is constant；Control group 4 is set, 1 medium vinyl polyhedron of embodiment is low
Polysilsesquioxane removes, remaining content is constant；Control group 5 is set, by titanate coupling agent modified nanometer swelling in embodiment 1
Soil removes, remaining content is constant；
Setting experiment prepares gained aluminium alloy extrusions and carries out performance detection, wherein the pH value of mortar is according to the method described above
10.3, chlorine ion concentration 1.58%, the processing detection time is 600 hours；Single side infiltration under salt fog resistance two side forms of scribing line
Erosion Width is no more than 4mm, obtains following result：
Table 1
| Group | Tensile strength（MPa） | Yield strength（MPa） | Elongation percentage（%） | Mortar resistance | Resisting salt fog corrosion（h） |
| Embodiment 1 | 762.8 | 693.5 | 13.9 | Substantially unchanged | ＞ 800 |
| Embodiment 2 | 768.3 | 698.2 | 12.8 | Substantially unchanged | ＞ 800 |
| Embodiment 3 | 765.9 | 696.4 | 13.5 | Substantially unchanged | ＞ 800 |
| Control group 1 | 762.8 | 693.6 | 11.8 | Substantially unchanged | ＞ 800 |
| Control group 2 | 736.2 | 658.9 | 14.6 | Substantially unchanged | ＞ 800 |
| Control group 3 | 752.3 | 673.8 | 12.3 | Substantially unchanged | ＞ 800 |
| Control group 4 | 763.5 | 693.2 | 13.4 | It blisters part | 637 |
| Control group 5 | 762.7 | 692.3 | 13.7 | It blisters part | 428 |
As data in table 1 can be seen that in the present invention obtained by aluminium alloy door's window profile high comprehensive performance, can effectively prevent containing chlorine
Ion mortar corrodes, and can promote the use of.
Claims (9)
1. a kind of aluminium alloy door's window profile of anti-chloride ion-containing mortar corrosion, which is characterized in that preparation method includes following step
Suddenly：
（1）The elemental constituent of aluminium alloy door's window profile includes：By weight, manganese 0.02-0.06%, copper 0.03-0.07%, iron
0.28-0.36%, zinc 0.06-0.08%, chromium 0.03-0.07%, titanium 0.01-0.03%, magnesium 0.6-0.8%, silicon 0.35-0.45%, tungsten
0.22-0.32%, tin 0.03-0.07%, surplus are aluminium and trace impurity；
（2）Progress melting, extruding after preparing raw material are matched by the above element and obtains extrusion, and after heat treatment it is taken off
Fat, cleaning, drying obtain the paint film that thickness is 15-20 μm by electrophoresis on its surface after the completion；
In electrophoresis process, coating used includes the raw material of following parts by weight：35-45 parts of the organic siliconresin containing siloxy,
6-12 parts of methyl methacrylate, 18-24 parts of vinyl polyhedral oligomeric silsesquioxane, gamma-aminopropyl-triethoxy-silane
6-10 parts, α-cyanogen is for 1-3 parts of acrylate, 1.2-2.2 parts of polyvinyl formal, wooden sodium sulfonate 0.6-1.4 parts, tertiary carbon
4.2-5.6 parts of vinyl acetate, 3.6-4.8 parts of urea, 0.8-1.6 parts of AEO carboxylic acid sodium, ethyl orthosilicate
0.2-0.6 parts, 6-10 parts of ethyl alcohol, 2.8-6.6 parts of titanate coupling agent modified nano-bentonite, 1-2 parts of emulsifier, stabilizer
0.4-0.8 parts；
The preparation method of the titanate coupling agent modified nano-bentonite is to dry nano-bentonite to water content and be less than
After 0.2%, it is dispersed in the isopropanol for being equivalent to 2-3 times of its weight using ultrasonic cell disrupte machine, then in ultrasonication
Lower be added is equivalent to the titanate coupling agent of nano-bentonite dried feed weight 6-8%, in temperature is 85-95 DEG C after the completion of addition
Under conditions of handle 20-30 minutes, be filtered under diminished pressure after the completion, it is dry to get.
2. a kind of aluminium alloy door's window profile of anti-chloride ion-containing mortar corrosion as described in claim 1, which is characterized in that the step
Suddenly（2）Further include polishing step after heat treatment, polishing process is to be polished 30-40 minutes with the sand paper that mesh number is 1000 mesh, is completed
It is rinsed afterwards with ethyl alcohol.
3. a kind of aluminium alloy door's window profile of anti-chloride ion-containing mortar corrosion as described in claim 1, which is characterized in that described to contain
There is the hydroxyl in the organic siliconresin of siloxy on silicone hydroxyl to account for the 0.5-4% of organic siliconresin total amount, organic siliconresin is first
One kind in base silicones, phenyl polysiloxane, methyl phenyl silicone resin, hydrogeneous silicones, methyl vinyl silicone.
4. a kind of aluminium alloy door's window profile of anti-chloride ion-containing mortar corrosion as described in claim 1, which is characterized in that the electricity
It swims in work, is anode with aluminum alloy materials, lead electrode is cathode, and two electrode gap 35mm, construction voltage is 65-75V, coating
Temperature is 28-32 DEG C, and electrophoresis time is 80-100 seconds；Solidification temperature is 155-165 DEG C, and hardening time is 25-35 minutes.
5. a kind of aluminium alloy door's window profile of anti-chloride ion-containing mortar corrosion as described in claim 1, which is characterized in that the titanium
Acid esters coupling agent is NDZ-311.
6. a kind of aluminium alloy door's window profile of anti-chloride ion-containing mortar corrosion as described in claim 1, which is characterized in that the breast
Agent is dodecyl trimethyl ammonium bromide, cetyl trimethylammonium bromide or the organic functions polysiloxanes containing quaternary ammonium group
In one kind.
7. a kind of aluminium alloy door's window profile of anti-chloride ion-containing mortar corrosion as described in claim 1, which is characterized in that described steady
It is carbon black and triphenyl phosphite with weight ratio 1 to determine agent:6-8 is mixed to get.
8. a kind of aluminium alloy door's window profile of anti-chloride ion-containing mortar corrosion as described in claim 1, which is characterized in that described molten
It is 540-560 DEG C to refine temperature, and smelting time is 2.5-3.5 hours；The preheating temperature of the extrusion die is 490-510 DEG C, is squeezed
It is 20-30 ms/h to press speed.
9. a kind of aluminium alloy door's window profile of anti-chloride ion-containing mortar corrosion as described in claim 1, which is characterized in that the heat
Processing procedure includes four-stage, and the temperature of first stage is 460-470 DEG C, and soaking time is 2-3 hours；The temperature of second stage
Degree is 515-525 DEG C, and soaking time is 30-40 minutes；The temperature of phase III is 300-320 DEG C, and soaking time is that 6-8 is small
When；The temperature of fourth stage is 180-200 DEG C, and soaking time is 20-30 minutes.
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