CN103952743A - Medium-temperature aluminum oxidation aftertreatment agent - Google Patents
Medium-temperature aluminum oxidation aftertreatment agent Download PDFInfo
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- CN103952743A CN103952743A CN201410198157.XA CN201410198157A CN103952743A CN 103952743 A CN103952743 A CN 103952743A CN 201410198157 A CN201410198157 A CN 201410198157A CN 103952743 A CN103952743 A CN 103952743A
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Abstract
The invention discloses a medium-temperature aluminum oxidation aftertreatment agent. The medium-temperature aluminum oxidation aftertreatment agent is prepared by mixing the following components by weight percent: 65-75% of acetate, 1-5% of color modifier, 8-16% of dispersing agent, 5-10% of surface wetting agent, 5-10% of preservative, 1-5% of buffer agent, 1-5% of solubilizer and 1-3% of dust-proof agent. Compared with the prior art, the medium-temperature aluminum oxidation aftertreatment agent has the advantages that the medium-temperature aluminum oxidation aftertreatment agent does not contain harmful substances, is environment-friendly, overcomes the defects that common low-temperature sealants are difficult to manage, can not be used for sealing dyes and have low speeds and the defects that boiling water has high requirements on the quality, is high in energy consumption, easiness in ash generation and long in time, and has relatively strong practicability; an obtained sealing membrane layer is free from pruina and has the characteristics of excellent brightness, smoothness, discoloration prevention property, corrosion resistance, high adhesion and the like.
Description
Technical field
The present invention relates to aluminum or aluminum alloy technical field of surface, relate in particular to a kind of warm post-treatment agent for aluminum or aluminum alloy.
Background technology
In modern architecture industry; in order to improve the solidity to corrosion of aluminum and its alloy and ornamental; widely aluminum and its alloy is carried out to anodic oxidation treatment; when aluminum anode is processed, gained oxide film has high porosity and adsorptivity; this high porosity and adsorptivity are convenient to dyeing, but are also easy to contaminated and corrosion simultaneously, for addressing these problems and protect the outward appearance after painted; must carry out sealing of hole processing, be the oxidative work-up of aluminium.
In aluminium alloy anode oxide aftertreatment technology, there are hot water sealing of hole, water vapour sealing of hole, normal-temperature hole sealing and middle temperature sealing of hole etc.CO in the easy absorbed air of oxide film of employing hot water sealing of hole
2, especially adsorb the airborne NaCl in coastland, cause pore corrosion, make the work-ing life of sealing of hole workpiece short.The aluminum or aluminum alloy product that adopts normal-temperature hole sealing, hardness is not good enough, and situation about easily fading after coloured aluminum or aluminum alloy product sealing of hole.In general nickel acetate, warm hole sealing agent is after use, and its surface easily produces white or grey meal---pollen.Therefore, prepare a kind of aluminum or aluminum alloy surface that can make without pollen, and there is the hole sealing agent of excellent bright property, planarization, anti-discolouration, erosion resistance and high tack, become those skilled in the art's problem demanding prompt solution.
Summary of the invention
For overcoming the above problems, the invention provides a kind of warm post-treatment agent for aluminum or aluminum alloy, there is excellent bright property, planarization, anti-discolouration, erosion resistance and high tack.
Technical scheme of the present invention is, a kind of middle temperature aluminum oxidation post-treatment agent, formulated by following component by weight percentage: acetate: 65-75%, color improver: 1-5%, dispersion agent: 8-16%, surface active agent: 5-10%, sanitas: 5-10%, buffer reagent 1-5%, solubilizing agent: 1-5%, dust-proofing agent: 1-3%.
Wherein, described middle temperature aluminum oxidation post-treatment agent is mixed by weight percentage by following component:
Acetate: 68-70%, color improver: 1-5%, dispersion agent: 10-12%, surface active agent: 6-8%, sanitas: 6-9%, buffer reagent: 2-3%, solubilizing agent: 2-3%, dust-proofing agent: 2-3%.
Wherein, described acetate is nickel acetate.
Wherein, described color improver is Cobaltous diacetate.
Wherein, described dispersion agent is 1-naphthalene sulfonic aicd sodium, 2-sodium naphthalene sulfonate, naphthyl methylene sodium sulfonate, methylene-bis benzyl sodium sulfonate, methyl naphthalene sulfonic acid salt formaldehyde condensation products.
Wherein, described surface active agent is sodium laurylsulfonate, Sodium dodecylbenzene sulfonate, sodium cetanesulfonate, hexadecyl benzene sulfonic acid sodium salt, one or more in sodium lauryl sulphate.
Wherein, described sanitas is one or both in Sodium Benzoate, phenylformic acid.
Wherein, described buffer reagent is one or more in sodium-acetate, acetic acid, ammonium acetate, phosphoric acid, Sodium phosphate dibasic, SODIUM PHOSPHATE, MONOBASIC, potassium primary phosphate, Trisodium Citrate, citric acid.
Wherein, described solubilizing agent is polymeric amide.
Wherein, described dust-proofing agent is one or more in polyacrylic acid, sodium polyacrylate, polyacrylamide.
Acetate is the main salt of aluminium alloy sealing agent, has good sealing of hole effect, the present invention's selection nickel acetate.
Color improver can effectively be improved the phenomenon that sealing of hole film is partially green, selection Cobaltous diacetate in the present invention.
Buffer reagent can be stablized hole sealing agent system pH value, maintains the stable of hole sealing agent solution, extends the work-ing life of hole sealing agent.
The present invention also provides a kind of preparation method of middle temperature aluminum oxidation post-treatment agent, comprises the following steps:
1) prepare the raw material of following proportioning, be specially: acetate: 65-75%, color improver: 1-5%, dispersion agent: 8-16%, surface active agent: 5-10%, sanitas: 5-10%, buffer reagent 1-5%, solubilizing agent: 1-5%, dust-proofing agent: 1-3%.
2) ready acetate, color improver, dispersion agent, surface active agent, sanitas, buffer reagent, solubilizing agent, dust-proofing agent are dropped into stirred vessel together, under room temperature, stir 5min.
The present invention's advantage is compared with prior art: middle temperature aluminum oxidation post-treatment agent of the present invention does not contain hazardous substance, environmentally friendly, the management that overcome general low temperature pore sealing agent is difficult, can not be for dye sealing of hole, slow-footed defect, and boiling water is high to water quality requirement, energy consumption large, easily play defect grey, that the time is long, there is stronger practicality, in this, the sealing of hole rete of warm aluminum oxidation post-treatment agent (hole sealing agent) sealing, without pollen, has the features such as excellent bright property, planarization, anti-discolouration, erosion resistance and high tack.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment are only not used in and limit the scope of the invention for the present invention is described.In addition should be understood that, after having read content of the present invention, those skilled in the art can make various changes or modifications the present invention, these equivalent form of values fall within limited range of the present invention equally.
Embodiment 1
One, aluminium alloy anode oxide technological process:
(1) pre-treatment
Using aluminium alloy as base material, 3～5min in 140g/L～180g/L sulphuric acid soln of immersion normal temperature, cleans surperficial oil removing liquid with clear water.
The above-mentioned base material that carries out removing oil-removing wax is immersed to 3～8min in 50～60g/L sodium hydroxide solution (containing Alkaline addictive) of 40 ℃～60 ℃, complete alkaline etching step.2～5min in 120g/L～150g/L sulfuric acid of the sample immersion normal temperature that alkaline etching is good and 40g/L～50g/L salpeter solution is carried out to bright dipping.Then immerse immediately the acid that washes away remained on surface in clear water.
(2) anodic oxidation
The good sample of pre-treatment is immersed in 150～170g/L sulphuric acid soln that temperature remains on 18 ℃～22 ℃, use 1.3A/dm
2current density oxidation 30min, thickness of oxidation film 10 μ m～11 μ m, take out and clean after completing anodic oxidation.
Two, the preparation of hole sealing agent
A middle temperature aluminum oxidation post-treatment agent, by formula, make:
Nickel acetate: 70%, Cobaltous diacetate: 1%, 1-naphthalene sulfonic aicd sodium: 10%, sodium laurylsulfonate: 6%, Sodium Benzoate: 7%, ammonium acetate: 2%, polymeric amide: 2%, polyacrylic acid: 2%.
By with the wiring solution-forming of improving quality, Ni
2+concentration is 0.9g/L, pH6.0.
Three, sealing of hole
Well-oxygenated aluminium is immersed in the middle temperature aluminum oxidation post-treatment agent solution of temperature 50 C～65 ℃ and process 20min, and toast 15 minutes under 60 ℃ of conditions.
Four, sealing of hole effect
Aluminium material surface is smooth, has excellent bright property, and fenestra is without pollen.
Dry sample is put into alizarin red aqueous solution and dye, by the depth that dyeing rear surface is painted, select hole sealing agent.In the present embodiment, aluminium coloring effect is poor, illustrates that sealing of hole is effective.
Phosphorus-chromic acid weight-loss method detects oxide film sealing quality, and GB5237.2-2008 stipulates to be not more than 30mg/dm
2be judged to sealing up-to-standard, weightless < 16.8mg/dm is dissolved in the present embodiment acid
2, show that sealing effect is good.
Embodiment 2
A kind of middle temperature aluminum oxidation post-treatment agent is mixed by weight percentage by following component:
Nickel acetate: 65%, Cobaltous diacetate: 1%, naphthyl methylene sodium sulfonate: 11%, naphthyl methylene sodium sulfonate: 8%, phenylformic acid: 9%, Sodium phosphate dibasic: 2%, polymeric amide: 2%, sodium polyacrylate: 2%.
By with the wiring solution-forming of improving quality, Ni
2+concentration is 0.8g/L, pH5.8.
The aluminium material surface of processing through this treatment agent is smooth, has excellent bright property, and fenestra is without pollen.
Dry sample is put into alizarin red aqueous solution and dye, by the depth that dyeing rear surface is painted, select hole sealing agent.In the present embodiment, aluminium coloring effect is poor, illustrates that sealing of hole is effective.
Phosphorus-chromic acid weight-loss method detects oxide film sealing quality, and weightless < 17.0mg/dm is dissolved in the present embodiment acid
2, show that sealing effect is good.
Embodiment 3
A kind of middle temperature aluminum oxidation post-treatment agent is mixed by weight percentage by following component:
Nickel acetate: 68%, Cobaltous diacetate: 1%, methylene-bis benzyl sodium sulfonate: 10%, hexadecyl benzene sulfonic acid sodium salt: 7%, Sodium Benzoate: 8%, Trisodium Citrate: 2%, polymeric amide: 2%, polyacrylamide: 2%.
By with the wiring solution-forming of improving quality, Ni
2+concentration is 0.9g/L, pH6.0.
Aluminium material surface after this treatment agent is processed is smooth, has excellent bright property, and fenestra is without pollen.
Dry sample is put into alizarin red aqueous solution and dye, by the depth that dyeing rear surface is painted, select hole sealing agent.In the present embodiment, aluminium coloring effect is poor, illustrates that sealing of hole is effective.
Phosphorus-chromic acid weight-loss method detects oxide film sealing quality, and weightless < 17.5mg/dm is dissolved in the present embodiment acid
2, show that sealing effect is good.
Embodiment 4
Nickel acetate: 75%, Cobaltous diacetate: 1%, naphthyl methylene sodium sulfonate: 8%, hexadecyl benzene sulfonic acid sodium salt: 5%, Sodium Benzoate: 5%, Sodium phosphate dibasic: 3%, polymeric amide: 2%, polyacrylamide: 1%.
By with the wiring solution-forming of improving quality, Ni
2+concentration is 1.2g/L, pH6.5.
Aluminium material surface after this treatment agent is processed is smooth, has excellent bright property, and fenestra is without pollen.
Dry sample is put into alizarin red aqueous solution and dye, by the depth that dyeing rear surface is painted, select hole sealing agent.In the present embodiment, aluminium coloring effect is poor, illustrates that sealing of hole is effective.
Phosphorus-chromic acid weight-loss method detects oxide film sealing quality, and weightless < 17mg/dm is dissolved in the present embodiment acid
2, show that sealing effect is good.
Embodiment 5
Nickel acetate: 65%, Cobaltous diacetate: 5%, 2-sodium naphthalene sulfonate: 12%, hexadecyl benzene sulfonic acid sodium salt: 10%, Sodium Benzoate: 5%, Sodium phosphate dibasic: 1%, polymeric amide: 1%, polyacrylamide: 1%.
By with the wiring solution-forming of improving quality, Ni
2+concentration is 0.8g/L, pH5.8.
Aluminium material surface after this treatment agent is processed is smooth, has excellent bright property, and fenestra is without pollen.
Dry sample is put into alizarin red aqueous solution and dye, by the depth that dyeing rear surface is painted, select hole sealing agent.In the present embodiment, aluminium coloring effect is poor, illustrates that sealing of hole is effective.
Phosphorus-chromic acid weight-loss method detects oxide film sealing quality, and weightless < 15mg/dm is dissolved in the present embodiment acid
2, show that sealing effect is good.
Middle temperature aluminum oxidation post-treatment agent of the present invention does not contain hazardous substance, environmentally friendly, the management that overcome general low temperature pore sealing agent is difficult, can not be high to water quality requirement for dye sealing of hole, slow-footed defect and boiling water, energy consumption large, easily play ash, long defect of time, there is stronger practicality, in this, the sealing of hole rete of warm aluminum oxidation post-treatment agent (hole sealing agent) sealing, without pollen, has the features such as excellent bright property, planarization, anti-discolouration, erosion resistance and high tack.
Be more than the description to the embodiment of the present invention, by the above-mentioned explanation to the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. in, a warm aluminum oxidation post-treatment agent, is characterized in that, described middle temperature aluminum oxidation post-treatment agent is formulated by weight percentage by following component:
2. middle temperature aluminum oxidation post-treatment agent according to claim 1, is characterized in that, described middle temperature aluminum oxidation post-treatment agent is mixed by weight percentage by following component:
3. middle temperature aluminum oxidation post-treatment agent according to claim 1 and 2, is characterized in that, described acetate is nickel acetate.
4. middle temperature aluminum oxidation post-treatment agent according to claim 1 and 2, is characterized in that, described color improver is Cobaltous diacetate.
5. middle temperature aluminum oxidation post-treatment agent according to claim 1 and 2, it is characterized in that, described dispersion agent is one or more in 1-naphthalene sulfonic aicd sodium, 2-sodium naphthalene sulfonate, naphthyl methylene sodium sulfonate, methylene-bis benzyl sodium sulfonate, methyl naphthalene sulfonic acid salt formaldehyde condensation products.
6. middle temperature aluminum oxidation post-treatment agent according to claim 1 and 2, it is characterized in that, described surface active agent is one or more in sodium laurylsulfonate, Sodium dodecylbenzene sulfonate, sodium cetanesulfonate, hexadecyl benzene sulfonic acid sodium salt, sodium lauryl sulphate.
7. middle temperature aluminum oxidation post-treatment agent according to claim 1 and 2, is characterized in that, described sanitas is Sodium Benzoate, benzoic one or both mixture.
8. middle temperature aluminum oxidation post-treatment agent according to claim 1 and 2, it is characterized in that, described buffer reagent is one or more in sodium-acetate, acetic acid, ammonium acetate, phosphoric acid, Sodium phosphate dibasic, SODIUM PHOSPHATE, MONOBASIC, potassium primary phosphate, Trisodium Citrate, citric acid.
9. middle temperature aluminum oxidation post-treatment agent according to claim 1 and 2, is characterized in that, described solubilizing agent is polymeric amide.
10. middle temperature aluminum oxidation post-treatment agent according to claim 1 and 2, is characterized in that: described dust-proofing agent is one or more in polyacrylic acid, sodium polyacrylate, polyacrylamide.
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| CN104911670A (en) * | 2015-06-05 | 2015-09-16 | 南京鸿发有色金属制造股份有限公司 | Hole sealing agent for aluminum profile anode oxide films and low-nickel medium-temperature hole sealing method |
| CN105200483A (en) * | 2015-09-24 | 2015-12-30 | 马鞍山杰创塑胶科技有限公司 | Mid-temperature treatment aluminum alloy anode oxide film nickel-free hole sealing agent and preparation method thereof |
| CN105332034A (en) * | 2015-10-19 | 2016-02-17 | 博罗县东明化工有限公司 | Surface treating agent for aluminum alloy and method for preparing nanopores in surface of aluminum alloy through surface treatment agent |
| CN105970268A (en) * | 2016-07-28 | 2016-09-28 | 关亚玲 | Treatment method for aluminum alloy surface anodic oxidation-hole sealing |
| CN106191960A (en) * | 2016-07-24 | 2016-12-07 | 李水金 | A kind of aluminium material surface hole sealing agent |
| CN106191962A (en) * | 2016-08-30 | 2016-12-07 | 无锡库帕油品有限公司 | A kind of aluminum and Aluminum Alloy Room Temperature environmental protection sealer and preparation method thereof |
| CN107587178A (en) * | 2017-09-20 | 2018-01-16 | 广州汉普建材科技有限公司 | A kind of high density sealer and its method for sealing for aluminum alloy surface processing |
| CN107604413A (en) * | 2016-07-11 | 2018-01-19 | 陕西省印刷科学技术研究所 | A kind of CTP plates sealing of hole hole sealing agent and its application method |
| CN107641830A (en) * | 2017-09-30 | 2018-01-30 | 江苏信轮美合金发展有限公司 | A kind of surface treatment method of anti-corrosion aluminium section bar |
| CN107740167A (en) * | 2017-09-05 | 2018-02-27 | 江苏飞拓界面工程科技有限公司 | A kind of ambient stable high-efficiency aluminum and aluminium alloy environmental protection sealer |
| CN107794559A (en) * | 2017-10-31 | 2018-03-13 | 江门市翰腾盛曦光电科技有限公司 | A kind of Al-alloy products organic dye medium temperature liquor of hole- sealing tank |
| CN108221026A (en) * | 2018-01-18 | 2018-06-29 | 江苏飞拓界面工程科技有限公司 | A kind of high gloss retention mid-temperature sealing agent of aluminaization and preparation method thereof |
| CN108315798A (en) * | 2018-01-18 | 2018-07-24 | 江苏飞拓界面工程科技有限公司 | A kind of aluminium section bar oxidative work-up liquid |
| CN109338434A (en) * | 2018-11-28 | 2019-02-15 | 广州旭淼新材料科技有限公司 | Room temperature is without nickel hole sealing agent |
| CN109487321A (en) * | 2019-01-18 | 2019-03-19 | 佛山泰铝新材料有限公司 | A kind of aluminum alloy coiled materials mid-temperature sealing technique |
| CN109554740A (en) * | 2018-11-29 | 2019-04-02 | 广州国弘化学有限公司 | A kind of aluminium alloy sealer and preparation method thereof |
| CN109652837A (en) * | 2019-01-15 | 2019-04-19 | 武汉风帆电化科技股份有限公司 | A kind of hole sealing agent of ultralow nickel content and the method that sealing of hole is carried out to anodic oxidation workpiece with it |
| CN109837577A (en) * | 2017-11-24 | 2019-06-04 | 鸿富锦精密电子（成都）有限公司 | The surface treatment method and pre-dyeing treatment agent of metal works |
| CN109913926A (en) * | 2019-04-17 | 2019-06-21 | 安徽华淮新材料有限公司 | Aluminium alloy anode oxide film hole sealing agent and its method for sealing |
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| CN104911670A (en) * | 2015-06-05 | 2015-09-16 | 南京鸿发有色金属制造股份有限公司 | Hole sealing agent for aluminum profile anode oxide films and low-nickel medium-temperature hole sealing method |
| CN105200483A (en) * | 2015-09-24 | 2015-12-30 | 马鞍山杰创塑胶科技有限公司 | Mid-temperature treatment aluminum alloy anode oxide film nickel-free hole sealing agent and preparation method thereof |
| CN105332034A (en) * | 2015-10-19 | 2016-02-17 | 博罗县东明化工有限公司 | Surface treating agent for aluminum alloy and method for preparing nanopores in surface of aluminum alloy through surface treatment agent |
| CN105332034B (en) * | 2015-10-19 | 2017-08-04 | 博罗县东明化工有限公司 | Aluminum alloy surface treatment agent and its method for preparing nano aperture in aluminum alloy surface |
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| CN106191960A (en) * | 2016-07-24 | 2016-12-07 | 李水金 | A kind of aluminium material surface hole sealing agent |
| CN105970268B (en) * | 2016-07-28 | 2018-04-10 | 大冶市兴进铝业有限公司 | A kind of processing method of aluminum alloy surface anodic oxidation sealing of hole |
| CN105970268A (en) * | 2016-07-28 | 2016-09-28 | 关亚玲 | Treatment method for aluminum alloy surface anodic oxidation-hole sealing |
| CN106191962A (en) * | 2016-08-30 | 2016-12-07 | 无锡库帕油品有限公司 | A kind of aluminum and Aluminum Alloy Room Temperature environmental protection sealer and preparation method thereof |
| CN107740167B (en) * | 2017-09-05 | 2019-06-18 | 江苏飞拓界面工程科技有限公司 | A kind of ambient stable high-efficiency aluminum and aluminium alloy environmental protection sealer |
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| CN107641830B (en) * | 2017-09-30 | 2019-06-21 | 江苏信轮美合金发展有限公司 | A kind of surface treatment method of anti-corrosion aluminum profile |
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| CN109837577A (en) * | 2017-11-24 | 2019-06-04 | 鸿富锦精密电子（成都）有限公司 | The surface treatment method and pre-dyeing treatment agent of metal works |
| CN108315798A (en) * | 2018-01-18 | 2018-07-24 | 江苏飞拓界面工程科技有限公司 | A kind of aluminium section bar oxidative work-up liquid |
| CN108221026A (en) * | 2018-01-18 | 2018-06-29 | 江苏飞拓界面工程科技有限公司 | A kind of high gloss retention mid-temperature sealing agent of aluminaization and preparation method thereof |
| CN109338434A (en) * | 2018-11-28 | 2019-02-15 | 广州旭淼新材料科技有限公司 | Room temperature is without nickel hole sealing agent |
| CN109554740A (en) * | 2018-11-29 | 2019-04-02 | 广州国弘化学有限公司 | A kind of aluminium alloy sealer and preparation method thereof |
| CN109652837A (en) * | 2019-01-15 | 2019-04-19 | 武汉风帆电化科技股份有限公司 | A kind of hole sealing agent of ultralow nickel content and the method that sealing of hole is carried out to anodic oxidation workpiece with it |
| CN109487321A (en) * | 2019-01-18 | 2019-03-19 | 佛山泰铝新材料有限公司 | A kind of aluminum alloy coiled materials mid-temperature sealing technique |
| CN109913926A (en) * | 2019-04-17 | 2019-06-21 | 安徽华淮新材料有限公司 | Aluminium alloy anode oxide film hole sealing agent and its method for sealing |
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