CN110453264A - A kind of aluminium alloy is without nickel environmental protection hole sealing agent - Google Patents
A kind of aluminium alloy is without nickel environmental protection hole sealing agent Download PDFInfo
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- CN110453264A CN110453264A CN201910801292.1A CN201910801292A CN110453264A CN 110453264 A CN110453264 A CN 110453264A CN 201910801292 A CN201910801292 A CN 201910801292A CN 110453264 A CN110453264 A CN 110453264A
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- agent
- environmental protection
- aluminium alloy
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- hole sealing
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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
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/18—After-treatment, e.g. pore-sealing
Abstract
The present invention relates to a kind of aluminium alloys without nickel environmental protection hole sealing agent, is that fine silicon dioxide aeroge, silane coupling agent, surfactant, complexing agent, dispersing agent, stabilizer, catalyst, the grey agent of suppression, filler, lanthanum fluoride, water are mixed evenly and are made.The aluminium alloy avoids improving its environmental-protecting performance using heavy metal nickel ion without nickel environmental protection hole sealing agent, and actual test shows, the hole sealing agent solution system is stablized, and sealing of hole osmotic effect is good, and sealing of hole film is fine and close, the hole on Al alloy parts surface can be effectively closed, weight-loss ratio is low.Al alloy parts surfacing after sealing of hole is bright, smooth non-discolouring, does not play powder, and oil rub resistance, sealing of hole effect is good, and the corrosion resistance of Al alloy parts improves.The aluminium alloy can be used at normal temperature without nickel environmental protection hole sealing agent, without additional heating, helps to reduce energy consumption, is suitable for industrialized production.
Description
Technical field
The present invention relates to a kind of aluminium alloys without nickel environmental protection hole sealing agent, belongs to hole sealing agent technical field.
Background technique
Currently, building aluminium alloy anode oxide sealing of hole mainly uses cold hole-sealing technology and medium temperature hole-sealing technology, nickel salt is envelope
The main component of hole agent.
Existing aluminium alloy sealing process flow is first to pre-process aluminium alloy, then carry out anodic oxidation and electrolysis
Coloring, then carries out sealing pores again.After sealing of hole, need to carry out by once washing with rinsing bowls more than secondary washing twice
Washing process cleans the remaining nickeliferous sealing of hole medical fluid of aluminum alloy surface during anodic oxidation sealing of hole, can descend wire wrapping.It is this
Sealing pores mode can generate following both sides metallic nickel compounds pollution: first is that the nickel contamination in ejected wash water, second is that sealing of hole
The nickel contamination of processed aluminum alloy surface.Currently, various Al-alloy products, including various electronic products are increasingly deeply common big
Many daily lifes, and nickel compound is the sufficient first group of carcinogen of cancer evidence with people and animal, therefore, nickeliferous envelope
Hole technology must cause the great attention of aluminium processing industry to potential harm caused by environment and human body.
Summary of the invention
The present invention is in view of the deficienciess of the prior art, provide a kind of aluminium alloy without nickel environmental protection hole sealing agent, particular technique
Scheme is as follows:
A kind of aluminium alloy is without nickel environmental protection hole sealing agent, including following components raw material:
Above-mentioned technical proposal advanced optimizes, and the surfactant is polyethanol type nonionic surfactant, gathers
One of ethylene oxide alkylolamides.
Above-mentioned technical proposal advanced optimizes, and the complexing agent is triethanolamine.
Above-mentioned technical proposal advanced optimizes, and the dispersing agent is di-2-ethylhexylphosphine oxide naphthalene sulfonic acids disodium salt.
Above-mentioned technical proposal advanced optimizes, and the stabilizer is propylene glycol monomethyl ether.
Above-mentioned technical proposal advanced optimizes, and the catalyst is glycerol.
Above-mentioned technical proposal advanced optimizes, and the grey agent of the suppression is mercaptoethylmaine.
Above-mentioned technical proposal advanced optimizes, and the filler is one of lithium sulfate, lithium chloride.
Above-mentioned technical proposal advanced optimizes, production method of the aluminium alloy without nickel environmental protection hole sealing agent are as follows: first according to
Formula ratio weighs raw material, then by fine silicon dioxide aeroge, silane coupling agent, surfactant, complexing agent, dispersing agent,
Stabilizer, catalyst, the grey agent of suppression, filler, lanthanum fluoride, water are mixed evenly and are made.
Beneficial effects of the present invention:
Aluminium alloy of the present invention avoids improving its environmental-protecting performance using heavy metal nickel ion without nickel environmental protection hole sealing agent,
Actual test shows that the hole sealing agent solution system is stablized, and sealing of hole osmotic effect is good, and sealing of hole film is fine and close, can effectively close aluminium alloy
The hole of workpiece surface, weight-loss ratio are low.Al alloy parts surfacing after sealing of hole is bright, smooth non-discolouring, does not play powder, oil resistant
Dirt, sealing of hole effect is good, and the corrosion resistance of Al alloy parts improves.The aluminium alloy can make at normal temperature without nickel environmental protection hole sealing agent
With helping to reduce energy consumption, be suitable for industrialized production without additional heating.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Embodiment 1
By 20kg fine silicon dioxide aeroge, 3kg silane coupling agent, 1kg surfactant, 6kg complexing agent, 7kg points
Powder, 8kg stabilizer, 3kg catalyst, the grey agent of 1.2kg suppression, 12kg filler, 5kg lanthanum fluoride, 200kg water are mixed evenly i.e.
Aluminium alloy is made without nickel environmental protection hole sealing agent.
The surfactant is polyethanol type nonionic surfactant.The complexing agent is triethanolamine.Described point
Powder is di-2-ethylhexylphosphine oxide naphthalene sulfonic acids disodium salt.The stabilizer is propylene glycol monomethyl ether.The catalyst is glycerol.The grey agent of the suppression
It is mercaptoethylmaine.The filler is lithium sulfate.
Embodiment 2
By 26kg fine silicon dioxide aeroge, 4kg silane coupling agent, 1.2kg surfactant, 6.6kg complexing agent,
8kg dispersing agent, 9kg stabilizer, 4kg catalyst, the grey agent of 1.3kg suppression, 13kg filler, 5.8kg lanthanum fluoride, the mixing of 210kg water are stirred
It mixes and aluminium alloy is uniformly made without nickel environmental protection hole sealing agent.
The surfactant is polyxyethylated alkylolamides.The complexing agent is triethanolamine.The dispersing agent is
Di-2-ethylhexylphosphine oxide naphthalene sulfonic acids disodium salt.The stabilizer is propylene glycol monomethyl ether.The catalyst is glycerol.The grey agent of the suppression is sulfydryl
Ethamine.The filler is lithium chloride.
Embodiment 3
By 30kg fine silicon dioxide aeroge, 5kg silane coupling agent, 1.5kg surfactant, 7kg complexing agent, 9kg
Dispersing agent, 10kg stabilizer, 5kg catalyst, 1.5kg press down grey agent, 15kg filler, 5.9kg lanthanum fluoride, the mixing of 220kg water
Aluminium alloy uniformly is made without nickel environmental protection hole sealing agent.
The surfactant is polyxyethylated alkylolamides.The complexing agent is triethanolamine.The dispersing agent is
Di-2-ethylhexylphosphine oxide naphthalene sulfonic acids disodium salt.The stabilizer is propylene glycol monomethyl ether.The catalyst is glycerol.The grey agent of the suppression is sulfydryl
Ethamine.The filler is lithium chloride.
Reference examples 1
4kg silane coupling agent, 1.2kg surfactant, 6.6kg complexing agent, 8kg dispersing agent, 9kg stabilizer, 4kg are urged
Agent, the grey agent of 1.3kg suppression, 13kg filler, 5.8kg lanthanum fluoride, 210kg water are mixed evenly and control agent A are made.
The surfactant is polyxyethylated alkylolamides.The complexing agent is triethanolamine.The dispersing agent is
Di-2-ethylhexylphosphine oxide naphthalene sulfonic acids disodium salt.The stabilizer is propylene glycol monomethyl ether.The catalyst is glycerol.The grey agent of the suppression is sulfydryl
Ethamine.The filler is lithium chloride.
Control agent A is taken, is watered and is added in work tank liquor, aluminium alloy containing without nickel environmental protection hole sealing agent in the tank liquor that works
Amount is 5% (mass ratio)；The temperature of work tank liquor is 35 DEG C；Al alloy parts soaking time is 12min.After sealing of hole, aluminium alloy
Workpiece surface oxidation film tensile stress is 165Mpa.
Reference examples 2
By 26kg fine silicon dioxide aeroge, 4kg silane coupling agent, 1.2kg surfactant, 6.6kg complexing agent,
8kg dispersing agent, 9kg stabilizer, 4kg catalyst, the grey agent of 1.3kg suppression, 13kg filler, 210kg water are mixed evenly and are made
Compare agent B.
The surfactant is polyxyethylated alkylolamides.The complexing agent is triethanolamine.The dispersing agent is
Di-2-ethylhexylphosphine oxide naphthalene sulfonic acids disodium salt.The stabilizer is propylene glycol monomethyl ether.The catalyst is glycerol.The grey agent of the suppression is sulfydryl
Ethamine.The filler is lithium chloride.
Control agent B is taken, is watered and is added in work tank liquor, aluminium alloy containing without nickel environmental protection hole sealing agent in the tank liquor that works
Amount is 5% (mass ratio)；The temperature of work tank liquor is 35 DEG C；Al alloy parts soaking time is 12min.After sealing of hole, visually
Check: agent B surface is compareed after sealing of hole powder and blushing, not bright enough, smooth.
In the above-described embodiments, any aluminium alloy of Example 1~3 is watered without nickel environmental protection hole sealing agent and is added to work
Make in tank liquor, content of the aluminium alloy without nickel environmental protection hole sealing agent is 2~5% (mass ratioes) in the tank liquor that works；The temperature of work tank liquor
It is 20~35 DEG C；Al alloy parts soaking time is 5~12min；Sealing of hole rate is 0.8~1 μm/min.
The Al alloy parts of sealing of hole are detected by " the phosphorus chromic acid method of nitric acid preimpregnation ", sealing of hole weightlessness is 16.3mg/
dm2.Sealing of hole weightlessness is smaller, illustrates that sealing of hole effect is better.Al alloy parts are contaminated by " acid treated dye speck method "
Color, dyeing grade are 0 grade, and anti-dye adsorption capacity is strong, illustrates that sealing quality is excellent, contamination resistance is strong.
After carrying out sealing of hole to Al alloy parts surface without nickel environmental protection hole sealing agent using the aluminium alloy in embodiment 2, aluminium alloy
The tensile stress of workpiece surface oxidation film is 95Mpa.And the Al alloy parts surface film oxide, before non-sealing of hole, tensile stress is usual
In 280~300Mpa.Comparative analysis embodiment 2 and reference examples 1 using aluminium alloy without nickel environmental protection hole sealing agent it is found that carried out at sealing of hole
Reason facilitates the residual stress state for improving oxidation film, and then improves the surface property of Al alloy parts.Oxidation film passes through sealing of hole
Porosity is reduced after processing, encloses the etching channels of coating, so that the corrosion resistance of coating be made to be improved.Especially
It is, if it is very big that addition fine silicon dioxide aeroge reduces amplitude influences to the tensile stress of oxidation film.
By comparative example 2 and reference examples 2 it is found that if not adding lanthanum fluoride, directly affect final aluminium alloy without
The sealing of hole effect of nickel environmental protection hole sealing agent.
In conclusion aluminium alloy of the present invention avoids improving using heavy metal nickel ion without nickel environmental protection hole sealing agent
Its environmental-protecting performance, actual test show that the hole sealing agent solution system is stablized, and sealing of hole osmotic effect is good, and sealing of hole film is fine and close, can be effective
The hole on Al alloy parts surface is closed, weight-loss ratio is low.Al alloy parts surfacing after sealing of hole is bright, smooth non-discolouring,
Powder is not played, oil rub resistance, sealing of hole effect is good, and the corrosion resistance of Al alloy parts improves.The aluminium alloy is without nickel environmental protection hole sealing agent normal
Temperature is lower to be can be used, and without additional heating, is helped to reduce energy consumption, is suitable for industrialized production.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (9)
1. a kind of aluminium alloy is without nickel environmental protection hole sealing agent, it is characterised in that including following components raw material:
2. a kind of aluminium alloy according to claim 1 is without nickel environmental protection hole sealing agent, it is characterised in that: the surfactant is
One of polyethanol type nonionic surfactant, polyxyethylated alkylolamides.
3. a kind of aluminium alloy according to claim 1 is without nickel environmental protection hole sealing agent, it is characterised in that: the complexing agent is three second
Hydramine.
4. a kind of aluminium alloy according to claim 1 is without nickel environmental protection hole sealing agent, it is characterised in that: the dispersing agent is methylene
The double naphthalene sulfonic acids disodium salts of base.
5. a kind of aluminium alloy according to claim 1 is without nickel environmental protection hole sealing agent, it is characterised in that: the stabilizer is the third two
Alcohol methyl ether.
6. a kind of aluminium alloy according to claim 1 is without nickel environmental protection hole sealing agent, it is characterised in that: the catalyst is sweet
Oil.
7. a kind of aluminium alloy according to claim 1 is without nickel environmental protection hole sealing agent, it is characterised in that: the grey agent of the suppression is sulfydryl
Ethamine.
8. a kind of aluminium alloy according to claim 1 is without nickel environmental protection hole sealing agent, it is characterised in that: the filler is sulfuric acid
One of lithium, lithium chloride.
9. a kind of aluminium alloy according to claim 1 is without nickel environmental protection hole sealing agent, it is characterised in that: the aluminium alloy is without nickel ring
The production method for protecting hole sealing agent are as follows: first according to formula ratio raw material is weighed, then by fine silicon dioxide aeroge, silane coupled
Agent, surfactant, complexing agent, dispersing agent, stabilizer, catalyst, the grey agent of suppression, filler, lanthanum fluoride, water are mixed evenly i.e.
It is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910801292.1A CN110453264A (en) | 2019-08-28 | 2019-08-28 | A kind of aluminium alloy is without nickel environmental protection hole sealing agent |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910801292.1A CN110453264A (en) | 2019-08-28 | 2019-08-28 | A kind of aluminium alloy is without nickel environmental protection hole sealing agent |
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| CN110453264A true CN110453264A (en) | 2019-11-15 |
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Citations (9)
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|---|---|---|---|---|
| CN1746341A (en) * | 2004-09-08 | 2006-03-15 | 北京化工大学 | Anodic rare-earth oxide membrane closing method of aluminium alloy |
| CN103147109A (en) * | 2013-03-26 | 2013-06-12 | 西北工业大学 | Method for sealing aluminum alloy micro-arc oxidation film layer |
| CN103173833A (en) * | 2013-03-07 | 2013-06-26 | 洛阳伟信电子科技有限公司 | Anodization closing method for improving corrosion resistance of aluminum alloy |
| CN103215630A (en) * | 2013-04-23 | 2013-07-24 | 沈阳理工大学 | Method for sealing aluminum alloy anode oxide film pore by adopting organic-inorganic composite silica sol |
| CN103614757A (en) * | 2013-12-09 | 2014-03-05 | 海安县申菱电器制造有限公司 | Method for sealing porous membrane rear earth on aluminum alloy surface |
| CN103710736A (en) * | 2013-12-23 | 2014-04-09 | 广西博士海意信息科技有限公司 | Aluminum alloy hole sealing agent |
| CN104005071A (en) * | 2014-05-22 | 2014-08-27 | 江苏理工学院 | Sealing treatment method used in aluminum alloy surface treatment and sealing liquid used thereby |
| CN105603402A (en) * | 2016-03-11 | 2016-05-25 | 三峡大学 | Trivalent chromium passivator concentrated solution and preparation method |
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2019
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| CN1746341A (en) * | 2004-09-08 | 2006-03-15 | 北京化工大学 | Anodic rare-earth oxide membrane closing method of aluminium alloy |
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| CN103215630A (en) * | 2013-04-23 | 2013-07-24 | 沈阳理工大学 | Method for sealing aluminum alloy anode oxide film pore by adopting organic-inorganic composite silica sol |
| CN103614757A (en) * | 2013-12-09 | 2014-03-05 | 海安县申菱电器制造有限公司 | Method for sealing porous membrane rear earth on aluminum alloy surface |
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| CN104005071A (en) * | 2014-05-22 | 2014-08-27 | 江苏理工学院 | Sealing treatment method used in aluminum alloy surface treatment and sealing liquid used thereby |
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Application publication date: 20191115 |
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