CN106757270A - A kind of preparation method of the middle temperature hole sealing agent of aluminium alloy anode oxide - Google Patents
A kind of preparation method of the middle temperature hole sealing agent of aluminium alloy anode oxide Download PDFInfo
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- CN106757270A CN106757270A CN201611254664.6A CN201611254664A CN106757270A CN 106757270 A CN106757270 A CN 106757270A CN 201611254664 A CN201611254664 A CN 201611254664A CN 106757270 A CN106757270 A CN 106757270A
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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
- C25D11/24—Chemical after-treatment
- C25D11/246—Chemical after-treatment for sealing layers
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Abstract
A kind of preparation method of the middle temperature hole sealing agent of aluminium alloy anode oxide, it is characterised in that:By weight, nickel acetate is 15~20 parts to its composition, disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate is 30~40 parts, glacial acetic acid is 1~2 part, water is 150~200 parts, the application process of described hole sealing agent:10 parts of above-mentioned hole sealing agent being weighed by weight, 90 parts of water are added, 80 DEG C are heated to, being put into and is treated that the aluminium alloy of sealing of hole carries out sealing of hole, sealing of hole speed is 1 μm/min, can determine the sealing of hole time according to the thickness of required sealing of hole.
Description
Technical field
The present invention relates to a kind of preparation method of the middle temperature hole sealing agent of aluminium alloy anode oxide.
Background technology
Aluminium is the active metal of comparing, and the day that a layer thickness is several nanometers to several tens of nanometers can be spontaneously formed in atmosphere
Right oxide-film.The very thin Natural Oxide Film of this layer is in amorphous state, and mechanical strength is low, although there is certain protective capacities to aluminium,
The application requirement of aluminium and its alloy at aspects such as decoration, corrosion protection and various functions far can not be met, therefore people open
Beginning meets the demand of application using various methods, wherein forming anodic aluminum oxide film just in aluminium surface using anodizing
It is the most commonly used one kind.
Anodic aluminum oxide film has good mechanical property, corrosion resistance very high, rub resistance, at the same also have compared with
Strong adsorptivity, after being processed using various color methods, can obtain tempting decorative appearance '.In addition to above performance, anodic oxidation
Aluminium film also has good functional characteristic such as due to its excellent dielectric properties and unilateral conduction, can be as storing charge
Dielectric substance make electrolytic capacitor, one, using to the selection absorption characteristic of light, can extensively should as optical function material
For fields such as optics, magnetics.The continuous expansion applied in each field with anodic aluminum oxide film, its handling process is obtained
Continue to develop, New function is also constantly found.In today that material science and nano material develop on a large scale, anodizing of aluminium skill
Art and theoretical this problem for having studied many years of anodic oxidation cause the concern of every field scientist, anode again
Aluminum oxide film and using its prepares various new function materials turn into domestic and international, multidisciplinary field hot research topic.
Industrial relatively common conventional sealing of hole operating method has 4 kinds:High temperature hole sealing, cold seal hole, middle temperature sealing of hole, organic matter
Sealing of hole.The characteristics of following is a brief introduction of lower respective.
1st, high temperature hole sealing, high temperature hole sealing is called boiling water sealing hole, is the oxide-film by aluminum products surface(AL2O3)Hydration
The vigorous nurse body of reaction generation, vigorous nurse body good corrosion resistance, and also the expansion of oxide-film molecular volume makes oxide-film micropore during hydration reaction
Closing.The method process is simple, sealing quality is very high.But energy consumption is very big(More than 95 DEG C of water temperature), it is desirable to water quality
It is pure water, the speed 3-5MIN/UM of sealing of hole, inefficient, sealing of hole cost is relatively very high.
2nd, cold seal hole, cold seal hole need not heat, and can just operate at room temperature, so being called room temperature sealing of hole.Cold seal hole
Nickel fluoride typically is used, the nickel ion of positive divalence and the fluorine ion of negative one valency is relied primarily on.Cold seal hole energy consumption is low, 1-1.5UM/MIN,
Sealing of hole speed is fast, and quality is good.Weak point is that chemicals consumption is big, and disturbing factor is a lot, and more fluoride makes subsequently
Waste water treatmentntrol difficult, situation is not suitable with the case where current environmental requirement is very strict.
3rd, middle temperature sealing of hole, middle temperature sealing of hole refers to a kind of envelope of the temperature of sealing of hole in high temperature hole sealing and cold seal hole therebetween
Hole technology, due to this feature, middle temperature sealing of hole has the advantages that many former twos are no.Middle temperature sealing of hole temperature requirement is not high, disappears
Consumption energy consumption is low, and the sealing of hole speed of 1-1.3UM/MIN, the height of efficiency comparison, sealing of hole effect is also very excellent.And main hole sealing agent is vinegar
Sour nickel, good stability is easily controlled, and meets the environmental requirement of country.
4th, organic matter sealing of hole, electrophoresis is exactly the best example of organic matter sealing of hole, i.e., last layer is applied on aluminium material oxidation film to be had
Machine polymer coating.
It is exactly above that the simple of several method for sealing describes, the development of following hole sealing technology is towards low energy consumption certainly,
Low stain, high efficiency, high-quality, easy-operating direction is developed.
The content of the invention
A kind of preparation method of the middle temperature hole sealing agent of aluminium alloy anode oxide, it is characterised in that:It is constituted by weight, vinegar
Sour nickel is 15~20 parts, disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate is 30~40 parts, glacial acetic acid is 1~2 part, water is 150~200
Part, preparation method:Weigh by weight in 150~200 parts of addition tank diameters of water, open stirring, be heated to 70~80
DEG C, 15~20 parts of nickel acetate is slowly added to, after waiting nickel acetate to be completely dissolved, it is slowly added to disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate 30
~40 parts, after waiting disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate to be completely dissolved, it is 1~2 part to be slowly added to glacial acetic acid, and 80 DEG C are incubated 30 points
Clock, is cooled to 40 DEG C with bottom discharge;
The application process of described hole sealing agent:10 parts of above-mentioned hole sealing agent is weighed by weight, 90 parts of water are added, and is heated to
80 DEG C, it is put into and treats that the aluminium alloy of sealing of hole carries out sealing of hole, sealing of hole speed is 1 μm/min, can be determined according to the thickness of required sealing of hole
Determine the sealing of hole time.
Specific embodiment
Embodiment 1
Weigh in water 150kg addition tank diameters, open stirring, be heated to 70 DEG C, be slowly added to nickel acetate 15kg, wait acetic acid
After nickel is completely dissolved, disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate 30kg is slowly added to, waits disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate complete
After dissolving, glacial acetic acid is slowly added to for 1kg, 80 DEG C are incubated 30 minutes, are cooled to 40 DEG C with bottom discharge;
Above-mentioned hole sealing agent 10kg is weighed, 90kg water is added, 80 DEG C are heated to, is put into and is treated that the aluminium alloy of sealing of hole carries out sealing of hole,
Sealing of hole speed is 1 μm/min, can determine the sealing of hole time according to the thickness of required sealing of hole.
Embodiment 2
Weigh in water 200kg addition tank diameters, open stirring, be heated to 80 DEG C, be slowly added to nickel acetate 20kg, wait acetic acid
After nickel is completely dissolved, disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate 40kg is slowly added to, waits disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate complete
After dissolving, glacial acetic acid is slowly added to for 2kg, 80 DEG C are incubated 30 minutes, are cooled to 40 DEG C with bottom discharge;
Above-mentioned hole sealing agent 10kg is weighed, 90kg water is added, 80 DEG C are heated to, is put into and is treated that the aluminium alloy of sealing of hole carries out sealing of hole,
Sealing of hole speed is 1 μm/min, can determine the sealing of hole time according to the thickness of required sealing of hole.
Embodiment 3
Weigh in water 170kg addition tank diameters, open stirring, be heated to 75 DEG C, be slowly added to nickel acetate 18kg, wait acetic acid
After nickel is completely dissolved, disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate 35kg is slowly added to, waits disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate complete
After dissolving, glacial acetic acid is slowly added to for 1.5kg, 80 DEG C are incubated 30 minutes, are cooled to 40 DEG C with bottom discharge;
Above-mentioned hole sealing agent 10kg is weighed, 90kg water is added, 80 DEG C are heated to, is put into and is treated that the aluminium alloy of sealing of hole carries out sealing of hole,
Sealing of hole speed is 1 μm/min, can determine the sealing of hole time according to the thickness of required sealing of hole.
Embodiment 4
Weigh in water 160kg addition tank diameters, open stirring, be heated to 73 DEG C, be slowly added to nickel acetate 16kg, wait acetic acid
After nickel is completely dissolved, disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate 33kg is slowly added to, waits disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate complete
After dissolving, glacial acetic acid is slowly added to for 1.3kg, 80 DEG C are incubated 30 minutes, are cooled to 40 DEG C with bottom discharge;
Above-mentioned hole sealing agent 10kg is weighed, 90kg water is added, 80 DEG C are heated to, is put into and is treated that the aluminium alloy of sealing of hole carries out sealing of hole,
Sealing of hole speed is 1 μm/min, can determine the sealing of hole time according to the thickness of required sealing of hole.
Embodiment 5
Weigh in water 190kg addition tank diameters, open stirring, be heated to 78 DEG C, be slowly added to nickel acetate 19kg, wait acetic acid
After nickel is completely dissolved, disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate 38kg is slowly added to, waits disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate complete
After dissolving, glacial acetic acid is slowly added to for 1.8kg, 80 DEG C are incubated 30 minutes, are cooled to 40 DEG C with bottom discharge;
Above-mentioned hole sealing agent 10kg is weighed, 90kg water is added, 80 DEG C are heated to, is put into and is treated that the aluminium alloy of sealing of hole carries out sealing of hole,
Sealing of hole speed is 1 μm/min, can determine the sealing of hole time according to the thickness of required sealing of hole.
Claims (1)
1. the preparation method of the middle temperature hole sealing agent of a kind of aluminium alloy anode oxide, it is characterised in that:It is constituted by weight, acetic acid
Nickel is 15~20 parts, disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate is 30~40 parts, glacial acetic acid is 1~2 part, water is 150~200 parts,
Preparation method:Weigh by weight in 150~200 parts of addition tank diameters of water, open stirring, be heated to 70~80 DEG C,
Be slowly added to 15~20 parts of nickel acetate, after waiting nickel acetate to be completely dissolved, be slowly added to disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate 30~
40 parts, after waiting disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate to be completely dissolved, it is 1~2 part to be slowly added to glacial acetic acid, and 80 DEG C are incubated 30 points
Clock, is cooled to 40 DEG C with bottom discharge;
The application process of described hole sealing agent:10 parts of above-mentioned hole sealing agent is weighed by weight, 90 parts of water are added, and is heated to
80 DEG C, it is put into and treats that the aluminium alloy of sealing of hole carries out sealing of hole, sealing of hole speed is 1 μm/min, can be determined according to the thickness of required sealing of hole
Determine the sealing of hole time.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108893766A (en) * | 2018-05-23 | 2018-11-27 | 深圳市赛邦新材料有限公司 | Improve the one-component medium temperature hole sealing agent and method for sealing of aluminium alloy salt spray resistance |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101812713A (en) * | 2010-05-07 | 2010-08-25 | 李继光 | Method for preparing aluminum alloy anodic oxide film sealant |
JP2015004084A (en) * | 2013-06-19 | 2015-01-08 | 奥野製薬工業株式会社 | Sealing liquid for anodic oxidation film of aluminum alloy |
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2016
- 2016-12-30 CN CN201611254664.6A patent/CN106757270A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101812713A (en) * | 2010-05-07 | 2010-08-25 | 李继光 | Method for preparing aluminum alloy anodic oxide film sealant |
JP2015004084A (en) * | 2013-06-19 | 2015-01-08 | 奥野製薬工業株式会社 | Sealing liquid for anodic oxidation film of aluminum alloy |
Non-Patent Citations (1)
Title |
---|
陈淑钢等: "铝材表面封孔剂研究", 《硅酸盐通报》 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108893766A (en) * | 2018-05-23 | 2018-11-27 | 深圳市赛邦新材料有限公司 | Improve the one-component medium temperature hole sealing agent and method for sealing of aluminium alloy salt spray resistance |
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Application publication date: 20170531 |