CN104911666A - Processing method of anti-oil-fouling integrated ceiling aluminum basal plate - Google Patents
Processing method of anti-oil-fouling integrated ceiling aluminum basal plate Download PDFInfo
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- CN104911666A CN104911666A CN201510216676.9A CN201510216676A CN104911666A CN 104911666 A CN104911666 A CN 104911666A CN 201510216676 A CN201510216676 A CN 201510216676A CN 104911666 A CN104911666 A CN 104911666A
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Abstract
The invention relates to a processing method of an anti-oil-fouling integrated ceiling aluminum basal plate, and has the purposes that the ceiling aluminum basal plate processed by the method provided by the invention has a good anti-oil-fouling property, processing procedures are simple, and the cost is lower. The technical scheme comprises that the processing method of the anti-oil-fouling integrated ceiling aluminum basal plate is carried out according to the following steps: 1) deoiling; 2) alkali etching; 3) neutralization; 4) anode oxidation; 5) pore sealing; and 6) post-treatment.
Description
Technical field
The present invention relates to a kind of working method of aluminium base, specifically the working method of oil rub resistance Integral ceiling aluminium base.
Background technology
House is in fitment process, and furred ceiling is an indispensable link; Particularly in kitchen guarding space, due to the impact of the oil smoke in kitchen and the moisture of toilet and peculiar smell, this is difficult point and the emphasis of finishing always.The surface of aluminum plate that usual furred ceiling adopts directly is manufactured with baking vanish, but due to surface of aluminum plate poor adhesive force, needs to add excessive sizing agent, add poisonous volatile component, so environmental-protecting performance is poor during paint.Ye You enterprise directly adopts alumina plate to be used for furred ceiling; But the oil stain self-cleaning ability of alumina plate is not high, steam greasy dirt will directly permeate aluminum oxide furred ceiling, cause cleaning difficulty.
Summary of the invention
The object of the invention is to overcome the deficiency in above-mentioned background technology, provide a kind of working method of furred ceiling aluminium base, the furred ceiling aluminium base processed by this method should have good oil rub resistance performance, and manufacturing procedure is simple, cost is lower.
Technical scheme provided by the invention is: the working method of oil rub resistance Integral ceiling aluminium base, carries out successively according to following steps:
1) oil removing
The oil removing solution soaking of 40 ~ 60 DEG C 1 ~ 2 minute, then washes; Except the degreaser content in oil solution is 10 ~ 20g/L, all the other are water;
Or soak 0.5 ~ 1 minute in the mixing solutions of 50 ~ 60 DEG C, then wash; Containing 200g/L sulfuric acid and 1g/L sodium laurylsulfonate in mixing solutions, all the other are water;
2) alkaline etching
Soak 2 ~ 3 minutes in the alkaline etching solution of 40 ~ 50 DEG C, then wash; NaOH content in alkaline etching solution is 50 ~ 100g/L, and all the other are water;
3) neutralize
Soak 1 ~ 2 minute in neutralization solution under room temperature, then wash; Deashing agent content in neutralization solution is 100 ~ 200ml/L, and all the other are water;
4) anodic oxidation
Soak 3 ~ 8 clocks in the anodizing solution of 23 ~ 28 DEG C, then wash; Sulfuric acid content in anodizing solution is 140 ~ 160g/L, oxalic acid content is 20 ~ 50g/L, conducting salt content is 5 ~ 10g/L, and all the other are water;
5) sealing of hole
Soak 1 ~ 2 minute in the hole sealing solution of 78 ~ 82 DEG C; Hole sealing agent FZ7301 content in hole sealing solution is 5 ~ 10ml/L, and all the other are water;
6) aftertreatment
1 ~ 2 minute is sprayed in the hot pure water of 58 ~ 62 DEG C.
Step 4) in anodizing solution, also can add aluminum ion (Al3+), content is 3 ~ 10g/L.
Step 4) in oxidation voltage control between 18 ~ 30V.
Described conducting salt is one or more in sodium sulfate, sodium carbonate, potassium sulfate, magnesium sulfate.
The invention has the beneficial effects as follows:
1, owing to adding oxalic acid in formula, reduce sulfuric acid to the solvability of oxide film surface porous layer, and reduce the porosity of oxide film porous layer, the low resistant of aluminium base and corrosion resistance are significantly improved.
2, improve the voltage of oxidation, and then improve the thickness on the blocking layer under oxidation film layer, and required thickness oxide film can be formed in the short period of time.
3, improve oxidation trough temperature, adding conducting salt, can to prevent aluminium sheet from advancing, entering the transient voltage of oxidation trough excessive, burn aluminium coiled material.
4, reduce the concentration of hole sealing agent, prevent because hole sealing agent remains in the loss of adhesion defect that typography process is caused on aluminium base surface; And in aftertreatment, add spray hot water injection, can reduce due to hole sealing agent that to remain the oil resistant sump oil lacquer print brush caused bad as far as possible.
The present invention processes the furred ceiling aluminium base of acquisition, can not only with environmental protection not containing the oil resistant baking vanish high strength bond of sizing agent, there is contamination resistance strong, cohesive force is good, the feature that uniform color is fine and smooth, metal-like is strong, and the durability against pollution of aluminum oxide substrate self can also be strengthened, promote the contamination resistance on its its surface in the processes such as transport, production, the process for processing of kitchen guarding's oil resistant baking vanish Integral ceiling product can be widely used in.
Embodiment
Key problem in technology of the present invention, one is by research aluminium sheet continuous anodic oxidation technique, comprises the parameter such as tank liquor formula and electric current, voltage, temperature, improves the sticking power of aluminum oxide substrate and environmental protection oil resistant baking vanish.If oxide film is too thick, causes oxide film to ftracture for follow-up buckle forming process, the work-ing life of product can be had a strong impact on, if oxide film is too thin, antioxidant property and the hardness of product itself can be affected; Therefore, can not be single improve sticking power by change aluminium base surface oxidation film thickness.Two is carry out the innovation of sealing of hole modification technology, the durability against pollution of studying alumina substrate in the production process of baking vanish, and can not reduce the cohesive strength between aluminum oxide substrate and oil resistant baking vanish.
Step 1 of the present invention) in degreaser or the concrete kind of clean-out system, can select as required.
Further illustrate below by way of specific embodiment.
Embodiment 1
The working method of oil rub resistance Integral ceiling aluminium base, carry out successively according to following steps:
1) the oil removing solution soaking 1.5 minutes of 50 DEG C, then washes; Except the degreaser Henkel 338L content in oil solution is 15g/L, all the other are water;
2) soak 2.5 minutes in the alkaline etching solution of 45 DEG C, then wash; NaOH content in alkaline etching solution is 75g/L, and all the other are water;
3) soak 1.5 minutes in the neutralization solution under room temperature, then wash; Deashing agent N-20 content in neutralization solution is 150ml/L, and all the other are water;
4) soak 5 minutes in the anodizing solution of 25 DEG C, then wash; Sulfuric acid content in anodizing solution is 150g/L, oxalic acid content is 35g/L, sodium sulphate content is 7g/L, and all the other are water; Oxidation voltage controls at 25V;
5) soak 1.5 minutes in the hole sealing solution of 80 DEG C; Hole sealing agent FZ7301 content in hole sealing solution is 8ml/L, and all the other are water;
6) spray 1.5 minutes in the hot pure water of 60 DEG C.
Embodiment 2
The working method of oil rub resistance Integral ceiling aluminium base, carry out successively according to following steps:
1) the oil removing solution soaking 1 minute of 60 DEG C, then washes; Except the degreaser Henkel 338L content in oil solution is 10g/L, all the other are water;
2) soak 2 minutes in the alkaline etching solution of 50 DEG C, then wash; NaOH content in alkaline etching solution is 100g/L, and all the other are water;
3) soak 1 minute in the neutralization solution under room temperature, then wash; Deashing agent N-20 content in neutralization solution is 200ml/L, and all the other are water;
4) soak 8 clocks in the anodizing solution of 23 DEG C, then wash; Sulfuric acid content in anodizing solution is 140g/L, oxalic acid content is 50g/L, carbonate content is 5g/L, and aluminium composition is 3g/L, and all the other are water; Oxidation voltage controls between 18V;
5) soak 1 minute in the hole sealing solution of 82 DEG C; Hole sealing agent FZ7301 content in hole sealing solution is 10ml/L, and all the other are water;
6) spray 1 minute in the hot pure water of 62 DEG C.
Embodiment 3
The working method of oil rub resistance Integral ceiling aluminium base, carry out successively according to following steps:
1) the oil removing solution soaking 2 minutes of 40 DEG C, then washes; Except the degreaser Henkel 338L content in oil solution is 20g/L, all the other are water;
2) soak 3 minutes in the alkaline etching solution of 40 DEG C, then wash; NaOH content in alkaline etching solution is 50g/L, and all the other are water;
3) soak 2 minutes in the neutralization solution under room temperature, then wash; Deashing agent N-20 content in neutralization solution is 100ml/L, and all the other are water;
4) soak 3 minutes in the anodizing solution of 28 DEG C, then wash; Sulfuric acid content in anodizing solution is 160g/L, oxalic acid content is 20g/L, magnesium sulfate content is 12g/L, and aluminium composition is 10g/L, and all the other are water; Oxidation voltage controls between 30V;
5) soak 2 minutes in the hole sealing solution of 78 DEG C; Hole sealing agent FZ7301 content in hole sealing solution is 5ml/L, and all the other are water;
6) spray 1.5 minutes in the hot pure water of 58 DEG C.
The detection data of the aluminium base that above embodiment obtains are:
(1) alumina plate oxide thickness 2 ~ 5 μm;
(2) aluminium sheet sticking power test after oil resistant baking vanish, paint film lattice drawing method grade is not less than 1 grade;
(3) weather resistance: product neutral salt spray 108 hours 10 grades.
Embodiment 4
The working method of oil rub resistance Integral ceiling aluminium base, carry out successively according to following steps:
1) mixing solutions of 53 DEG C soaks 2 minutes, then washes; Containing 200g/L sulfuric acid and 1g/L sodium laurylsulfonate in mixing solutions, all the other are water;
2) soak 3 minutes in the alkaline etching solution of 48 DEG C, then wash; NaOH content in alkaline etching solution is 78g/L, and all the other are water;
3) soak 2 minutes in the neutralization solution under room temperature, then wash; Deashing agent N-20 content in neutralization solution is 170ml/L, and all the other are water;
4) soak 4 minutes in the anodizing solution of 28 DEG C, then wash; Sulfuric acid content in anodizing solution is 150g/L, oxalic acid content is 35g/L, sodium sulphate content is 7g/L, and all the other are water; Oxidation voltage controls at 25V;
5) soak 2 minutes in the hole sealing solution of 9 DEG C; Hole sealing agent FZ7301 content in hole sealing solution is 9ml/L, and all the other are water;
6) spray 1.5 minutes in the hot pure water of 59 DEG C.
Claims (4)
1. the working method of oil rub resistance Integral ceiling aluminium base, carry out successively according to following steps:
1) oil removing
The oil removing solution soaking of 40 ~ 60 DEG C 1 ~ 2 minute, then washes; Except the content of the degreaser in oil solution or clean-out system is 10 ~ 20g/L, all the other are water;
Or soak 0.5 ~ 1 minute in the mixing solutions of 50 ~ 60 DEG C, then wash; Containing 200g/L sulfuric acid and 1g/L sodium laurylsulfonate in mixing solutions, all the other are water;
2) alkaline etching
Soak 2 ~ 3 minutes in the alkaline etching solution of 40 ~ 50 DEG C, then wash; NaOH content in alkaline etching solution is 50 ~ 100g/L, and all the other are water;
3) neutralize
Soak 1 ~ 2 minute in neutralization solution under room temperature, then wash; Deashing agent content in neutralization solution is 100 ~ 200ml/L, and all the other are water;
4) anodic oxidation
Soak 3 ~ 8 clocks in the anodizing solution of 23 ~ 28 DEG C, then wash; Sulfuric acid content in anodizing solution is 140 ~ 160g/L, oxalic acid content is 20 ~ 50g/L, conducting salt content is 5 ~ 10g/L, and all the other are water;
5) sealing of hole
Soak 1 ~ 2 minute in the hole sealing solution of 78 ~ 82 DEG C; Hole sealing agent FZ7301 content in hole sealing solution is 5 ~ 10ml/L, and all the other are water;
6) aftertreatment
1 ~ 2 minute is sprayed in the hot pure water of 58 ~ 62 DEG C.
2. the working method of oil rub resistance Integral ceiling aluminium base according to claim 1, is characterized in that: step 4) in anodizing solution, also can add aluminum ion, content is 3 ~ 10g/L.
3. the working method of oil rub resistance Integral ceiling aluminium base according to claim 1 and 2, is characterized in that: step 4) in oxidation voltage control between 18 ~ 30V.
4. the working method of oil rub resistance Integral ceiling aluminium base according to claim 3, is characterized in that: described conducting salt is one or more in sodium sulfate, sodium carbonate, potassium sulfate, magnesium sulfate.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107142509A (en) * | 2017-04-24 | 2017-09-08 | 嘉兴博隆铝装饰板有限公司 | A kind of furred ceiling aluminum-pinch production technology of oil rub resistance |
| CN112725863A (en) * | 2020-12-25 | 2021-04-30 | 常熟永祥镀铝有限公司 | Aluminum alloy shell anodic oxidation method |
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Cited By (2)
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| CN107142509A (en) * | 2017-04-24 | 2017-09-08 | 嘉兴博隆铝装饰板有限公司 | A kind of furred ceiling aluminum-pinch production technology of oil rub resistance |
| CN112725863A (en) * | 2020-12-25 | 2021-04-30 | 常熟永祥镀铝有限公司 | Aluminum alloy shell anodic oxidation method |
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