CN1031574A - Aluminium and aluminum alloy basification optical polishing solution - Google Patents
Aluminium and aluminum alloy basification optical polishing solution Download PDFInfo
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- CN1031574A CN1031574A CN 87104262 CN87104262A CN1031574A CN 1031574 A CN1031574 A CN 1031574A CN 87104262 CN87104262 CN 87104262 CN 87104262 A CN87104262 A CN 87104262A CN 1031574 A CN1031574 A CN 1031574A
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Abstract
A kind ofly be used for the basic chemical polishing solution that aluminium and aluminum alloy surface are handled, it is to be base soln with sodium hydroxide, SODIUMNITRATE, heavy metallic salt, adds that pyrophosphate salt or hexametaphosphate or metavanadate form.The present invention can reduce product surface " point-like vesicle " effectively and reach " pork skin shape " defective, and increases brightness.Result of use is better simultaneously for pyrophosphate salt or hexametaphosphate and metavanadate.Add polyoxyethylene glycol again, not only can suppress to produce alkali mist, ammonia in the polishing process, improve workman's labor condition, can also further add lustre to, make product surface smooth smooth, it is bright to reach minute surface.Working service of the present invention is convenient, and is with low cost.
Description
The present invention is aluminium and aluminum alloy surface processing solution.
Chemical rightenning is the important finish means that aluminium and Al-alloy products are produced.At present, in the aluminum products production process, continue to use traditional " three acid " chemical rightenning technology substantially both at home and abroad.Produce a large amount of yellow NO during polishing
xGas causes the topsoil public hazards, has a strong impact on the healthy of workman.The approach that addresses the above problem has two: the one, and the treatment process that adopts treating column to absorb and adsorb, this not only needs great amount of investment, and remaining secondary pollution is arranged.The 2nd, study and do not produce NO
xThe aluminium of gas and aluminium alloying optical polishing novel process are fundamentally eliminated NO
xPollution, for this reason, the someone has carried out not producing NO
xThe alkaline aluminium of gas and the research of aluminum alloy chemically glossing.The clear 58-45380 of Japanese Patent has proposed in containing the aluminium chemical polishing solution of sodium hydroxide, nitrate or nitrite to add aluminium and the aluminum alloy basification optical polishing solution that heavy metallic salt and silicide form.Heavy metallic salt is inorganic brightening agent, and silicide can prolong between empty stopping time after goods go out groove, reduces the caustic corrosion that contacts generation with air, thereby has improved quality of item.Yet present inventor's revision test above-mentioned alkaline aluminium and aluminum alloy chemically polishing solution, find: 1. fast by what solution corrosion speed, the leveling weak effect, to making product surface occur " point-like vesicle " or " pork skin shape " defective easily, be difficult to satisfy the production requirement of the demanding finish aluminum component of surface quality.2. produce a large amount of alkali mists and ammonia in the polishing process, operator healthy still had detrimentally affect.
The object of the invention is, provides range of application wide, aluminium that quality of finish is good and aluminum alloy basification optical polishing solution.And then the adding base fog inhibitor, reduce the generation of alkali mist, ammonia in the polishing process.
Aluminium of the present invention and aluminum alloy basification optical polishing solution, be to be base soln, contain the aluminium and the aluminum alloy basification optical polishing solution of pyrophosphate salt (as trisodium phosphate, potassium pyrophosphate) or hexametaphosphate (as Sodium hexametaphosphate 99, hexa metaphosphoric acid potassium) or metavanadate (as ammonium meta-vanadate, sodium metavanadate) with sodium hydroxide, SODIUMNITRATE, heavy metallic salt.Pyrophosphate salt or hexametaphosphate are inorganic brightening agents, used with heavy metallic salt and well added lustre to and flatten effect, and be to use the inorganic brightening agent of heavy metallic salt inaccessible separately.Thereby can make product surface " point-like vesicle " reach " pork skin shape " defective to be greatly improved.Metavanadate is an inhibiter, adds metavanadate in the base soln that sodium hydroxide, nitrate, heavy metallic salt are formed, and can slow down the corrosion speed of goods, also can play and reduce the effect that product surface " point-like vesicle " reaches " pork skin shape " defective.In this polishing solution, sodium hydroxide (technical grade) concentration is 100 grams per liters-600 grams per liters, preferably 250 grams per liters-500 grams per liter; Sodium nitrate concentration is 50 grams per liters-350 grams per liters, preferably 150 grams per liters-350 grams per liter; Heavy metallic salt is the nitrate or the vitriol of cobalt, copper, iron normally, and concentration is more than 0.05 grams per liter, preferably more than 0.3 grams per liter.Pyrophosphate salt or hexa metaphosphoric acid salt concn are 0.5 grams per liter-15 grams per liters; Add lustre to when being lower than this concentration and flatten DeGrain, can occur the different vaporific film of degree when being higher than this concentration.Metavanadate concentration is 0.01 grams per liter-5 grams per liter; Corrosion mitigating effect is not obvious when being lower than this concentration, and product surface has spot corrosion when being higher than this concentration.
The optimum concn of pyrophosphate salt or hexametaphosphate is 1 grams per liter-10 grams per liter; The optimum concn of metavanadate is 0.1 grams per liter-1.5 grams per liter.
Pyrophosphate salt or hexametaphosphate can add in the polishing solution with metavanadate, can play add lustre to, the effect of leveling, inhibition.The product surface light is smooth, can eliminate " point-like vesicle " and reach " pork skin shape " defective.Its concentration as mentioned above.
Can also add polyoxyethylene glycol in the solution and make base fog inhibitor.Through evidence, polyoxyethylene glycol not only can suppress the generation of alkali mist and ammonia in the polishing process effectively, and also has further ornamental effect.Polyoxyethylene glycol can use with pyrophosphate salt or hexametaphosphate, also can use with metavanadate.The working concentration of polyoxyethylene glycol is 0.1 grams per liter-20 grams per liter; The effect that suppresses alkali mist, ammonia when being lower than this concentration is not obvious, and product surface produces striped when being higher than this concentration.The optimum concn of polyoxyethylene glycol is 1 grams per liter-10 grams per liter.Pyrophosphate salt, hexametaphosphate, metavanadate concentration are as above.
Polyoxyethylene glycol uses with metavanadate, pyrophosphate salt or hexametaphosphate, polishing solution have add lustre to, the net effect of leveling, inhibition and inhibition alkali mist, ammonia, not only can to reach glossiness minute surface bright, smooth smooth for product surface, and can suppress alkali mist, ammonia generation, reduce pollution, improved workman's labor condition.
Prove that through test of many times the present invention has good leveling, polishing action to alloys such as fine aluminium and magnalium, aluminium, magnesium, silicon.Simultaneously, the present invention has the advantage of seriation, can reach satisfied polishing effect according to most economical, the most rational prescription of different choice of quality of item requirement.Use sodium hydroxide of the present invention, SODIUMNITRATE, heavy metallic salt to be the basis, the polishing solution that adds pyrophosphate salt or hexametaphosphate or metavanadate, can significantly reduce product surface " point-like vesicle " or " pork skin shape " defective, quality obviously is better than the quality of item of the clear 58-45380 polishing solution of Japanese Patent.Use the polishing solution that adds metavanadate, pyrophosphate salt or hexametaphosphate simultaneously, " defective, the clear 58-45380 patent goods of luminance factor Japan improve 1-2 grade can to eliminate product surface " the point-like vesicle reaches " pork skin shape.Use the polishing solution that adds polyoxyethylene glycol, not only can suppress the generation of alkali mist, ammonia, reduce pollution, improve workman's labor condition, and further increase product surface brightness.The polishing solution that adds polyoxyethylene glycol, metavanadate, pyrophosphate salt or hexametaphosphate simultaneously has leveling, adds lustre to, the net effect of inhibition, inhibition alkali mist, ammonia, and product surface is smooth smooth, and it is bright to reach glossiness minute surface.Working service of the present invention is convenient, and is with low cost.
Use chemical polishing soln of the present invention, working temperature generally remains on 70-110 ℃, preferably 75-95 ℃; Polishing time normally 5 seconds-2 minutes, preferably 10 seconds-2 minutes.
Table one is a comparative example, has provided the polishing condition and the effect of clear 58-45380 polishing solution.
Table two is embodiments of the invention, has provided polishing condition of the present invention and effect.
Be description effect, the present inventor is divided into six grades with product surface brightness, is followed successively by: bright slightly, brighter, bright, very bright, minute surface is bright, glossiness minute surface is bright, glossiness minute surface the highest bright grade, best in quality.From bright slightly open as, all refer to bright in the base material original condition.Surface condition is only indicated strictly according to the facts, and graduation does not illustrate that as " point-like vesicle " there is a shape vesicle on the surface.
Claims (5)
1, a kind of aluminium and aluminum alloy basification optical polishing solution of forming by sodium hydroxide, SODIUMNITRATE, heavy metallic salt, it is characterized in that, contain pyrophosphate salt (as trisodium phosphate, potassium pyrophosphate) or hexametaphosphate (as Sodium hexametaphosphate 99, hexa metaphosphoric acid calcium) or metavanadate (as sodium metavanadate, ammonium meta-vanadate) in the solution; Pyrophosphate salt or hexa metaphosphoric acid salt concn are 0.5 grams per liter-15 grams per liters, and metavanadate concentration is 0.01 grams per liter-5 grams per liter.
2, aluminium according to claim 1 and aluminum alloy basification optical polishing solution is characterized in that, the optimum concn of pyrophosphate salt or hexametaphosphate is 1 grams per liter-10 grams per liter, and the optimum concn of metavanadate is 0.1 grams per liter-1 grams per liter.
3, according to described aluminium of claim 1-2 and aluminum alloy basification optical polishing solution, it is characterized in that pyrophosphate salt or hexametaphosphate can add in the solution with metavanadate.
4, according to described aluminium of claim 1-2 and aluminum alloy basification optical polishing solution, it is characterized in that, can add polyoxyethylene glycol in the solution, its concentration is 0.1 grams per liter-20 grams per liter, and optimum concn is 1 grams per liter-10 grams per liter.
5, aluminium according to claim 3 and aluminum alloy chemically polishing solution is characterized in that, can add polyoxyethylene glycol in the solution, and its concentration is 0.1 grams per liter-20 grams per liter, and optimum concn is 1 grams per liter-10 grams per liter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87104262 CN1014725B (en) | 1987-06-19 | 1987-06-19 | Basic chemical polishing solution for aluminium and aluminium alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87104262 CN1014725B (en) | 1987-06-19 | 1987-06-19 | Basic chemical polishing solution for aluminium and aluminium alloy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1031574A true CN1031574A (en) | 1989-03-08 |
| CN1014725B CN1014725B (en) | 1991-11-13 |
Family
ID=4814804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87104262 Expired CN1014725B (en) | 1987-06-19 | 1987-06-19 | Basic chemical polishing solution for aluminium and aluminium alloy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1014725B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102312275A (en) * | 2011-08-22 | 2012-01-11 | 吴江市精工铝字制造厂 | Aluminium and aluminium-magnesium alloy electrolytic polishing solution |
| CN102310357A (en) * | 2011-10-20 | 2012-01-11 | 无锡源清高新技术研究所有限公司 | Liquid-phase plasma polishing liquid and polishing process of aluminum product |
| CN104131294A (en) * | 2014-07-01 | 2014-11-05 | 蚌埠市高华电子有限公司 | Antibacterial mixed polishing solution for aluminium and aluminium alloy and preparation method thereof |
| CN104694931A (en) * | 2015-03-30 | 2015-06-10 | 江苏理工学院 | Alkaline chemical polishing method and adopted alkaline chemical polishing solution thereof |
| CN106319522A (en) * | 2015-07-08 | 2017-01-11 | 中国计量学院 | Alkaline polishing process for aluminium alloy surface |
| TWI609950B (en) * | 2013-03-26 | 2018-01-01 | 福吉米股份有限公司 | Honing composition |
| CN107699897A (en) * | 2017-09-11 | 2018-02-16 | 苏州盈腾五金制品有限公司 | A kind of processing of surface polishing of Al-alloy parts |
| CN108372460A (en) * | 2017-01-31 | 2018-08-07 | 通用汽车环球科技运作有限责任公司 | The chemically mechanical polishing of comparison resolution for improvement |
| CN111276275A (en) * | 2020-03-10 | 2020-06-12 | 西比里电机技术(苏州)有限公司 | Novel high-temperature insulated wire, preparation method and coating equipment |
-
1987
- 1987-06-19 CN CN 87104262 patent/CN1014725B/en not_active Expired
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102312275A (en) * | 2011-08-22 | 2012-01-11 | 吴江市精工铝字制造厂 | Aluminium and aluminium-magnesium alloy electrolytic polishing solution |
| CN102310357A (en) * | 2011-10-20 | 2012-01-11 | 无锡源清高新技术研究所有限公司 | Liquid-phase plasma polishing liquid and polishing process of aluminum product |
| TWI609950B (en) * | 2013-03-26 | 2018-01-01 | 福吉米股份有限公司 | Honing composition |
| CN104131294A (en) * | 2014-07-01 | 2014-11-05 | 蚌埠市高华电子有限公司 | Antibacterial mixed polishing solution for aluminium and aluminium alloy and preparation method thereof |
| CN104131294B (en) * | 2014-07-01 | 2015-10-28 | 蚌埠市高华电子有限公司 | A kind of Al and Alalloy mixed polishing solution with antibacterial effect and preparation method thereof |
| CN106702389A (en) * | 2015-03-30 | 2017-05-24 | 江苏理工学院 | 7075 aluminum alloy alkaline chemical polishing method and adopted alkaline chemical polishing liquid |
| CN104694931B (en) * | 2015-03-30 | 2017-03-15 | 江苏理工学院 | The basic chemical polishing liquid of basic chemical polishing method and its employing |
| CN106676529A (en) * | 2015-03-30 | 2017-05-17 | 江苏理工学院 | Alkaline chemical polishing method for 1060 aluminum alloy and alkaline chemical polishing solution adopted by alkaline chemical polishing method |
| CN104694931A (en) * | 2015-03-30 | 2015-06-10 | 江苏理工学院 | Alkaline chemical polishing method and adopted alkaline chemical polishing solution thereof |
| CN106702389B (en) * | 2015-03-30 | 2019-01-25 | 江苏理工学院 | A kind of 7075 aluminum alloy basification optical polishing method and its basic chemical polishing liquid of use |
| CN106676529B (en) * | 2015-03-30 | 2019-01-25 | 江苏理工学院 | A kind of 1060 aluminum alloy basification optical polishing method and its basic chemical polishing liquid of use |
| CN106319522A (en) * | 2015-07-08 | 2017-01-11 | 中国计量学院 | Alkaline polishing process for aluminium alloy surface |
| CN114438498A (en) * | 2015-07-08 | 2022-05-06 | 中国计量大学 | Plasma alkaline chemical polishing solution and application thereof |
| CN108372460A (en) * | 2017-01-31 | 2018-08-07 | 通用汽车环球科技运作有限责任公司 | The chemically mechanical polishing of comparison resolution for improvement |
| CN107699897A (en) * | 2017-09-11 | 2018-02-16 | 苏州盈腾五金制品有限公司 | A kind of processing of surface polishing of Al-alloy parts |
| CN111276275A (en) * | 2020-03-10 | 2020-06-12 | 西比里电机技术(苏州)有限公司 | Novel high-temperature insulated wire, preparation method and coating equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1014725B (en) | 1991-11-13 |
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