CN105039992A - Alkaline polishing solution and preparation method thereof - Google Patents
Alkaline polishing solution and preparation method thereof Download PDFInfo
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- CN105039992A CN105039992A CN201510433847.3A CN201510433847A CN105039992A CN 105039992 A CN105039992 A CN 105039992A CN 201510433847 A CN201510433847 A CN 201510433847A CN 105039992 A CN105039992 A CN 105039992A
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- nitrite
- polishing liquid
- tungstate
- dodecylbenzene sulfonate
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Abstract
The invention discloses an alkaline polishing solution and a preparation method thereof. The alkaline polishing solution comprises nitrite, dodecylbenzene sulfonate, tin tetrachloride, urea, tungstate, nitrilotriacetic acid disodium, ammonium molybdate, phenylalanine and water. Aluminum alloy can be polished for a long time in the alkaline polishing solution, the polishing brightness is high, the preparation method is simple in step, and raw materials are easy to obtain.
Description
Technical field
The present invention relates to polishing fluid, particularly, relate to a kind of alkalescence polishing liquid and preparation method thereof.
Background technology
Rumbling compound is the chemical reagent processed metallic surface, mainly play degreasing, antirust, clean, performance of adding lustre to metal products can be made to exceed the function of original gloss, excellent rumbling compound should have the feature of stable performance, nontoxic and environmentally safe.According to the difference of metal material, rumbling compound can be divided into stainless steel polishing agent, magnesium alloy rumbling compound, copper rumbling compound, aluminium alloy rumbling compound, glass polishing powder and study intensively polishing powder.Wherein, aluminium alloy rumbling compound is mainly polishing fluid, according to the difference of pH, can be divided into acid polishing slurry and alkalescence polishing liquid.
The luminance brightness of aluminium alloy polishing in existing acid polishing slurry is large, corrosion speed is slow, polishing effect good, but cost is high, has a large amount of tobacco to overflow and contaminate environment in polishing process simultaneously.Although existing alkalescence polishing liquid cost is low, wastewater treatment is simple, aluminium alloy is very fast and then cause polishing time unsuitable long otherwise can produce pit in alkalescence polishing liquid corrosion speed, even can weightlessness; Aluminium alloy luminance brightness of polishing in alkalescence polishing liquid is poor in addition.
Summary of the invention
The object of this invention is to provide a kind of alkalescence polishing liquid and preparation method thereof, aluminium alloy can in the polishing of this alkalescence polishing liquid long period and the luminance brightness of polishing is large, and simple, the raw material of preparation method's step is easy to get simultaneously.
To achieve these goals, the invention provides a kind of alkalescence polishing liquid, containing nitrite, dodecylbenzene sulfonate, tin chloride, urea, tungstate, nitrilotriacetic acid disodium, ammonium molybdate, phenylalanine and water.
Present invention also offers a kind of preparation method of alkalescence polishing liquid, comprise the mixing of nitrite, dodecylbenzene sulfonate, tin chloride, urea, tungstate, nitrilotriacetic acid disodium, ammonium molybdate, phenylalanine and water with obtained alkalescence polishing liquid.
Pass through technique scheme, the present invention makes the polishing fluid made can reduce its erosion rate to aluminium alloy by the synergy of nitrite, dodecylbenzene sulfonate, tin chloride, urea, tungstate, nitrilotriacetic acid disodium, ammonium molybdate, phenylalanine and water, and this alkalescence polishing liquid can have the luminance brightness of excellent polishing to aluminium alloy simultaneously.In addition, simple, the raw material of preparation method's step of this alkalescence polishing liquid is easy to get and then makes this alkalescence polishing liquid can widespread use in this area further.
Other features and advantages of the present invention are described in detail in embodiment part subsequently.
Embodiment
Below the specific embodiment of the present invention is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
The invention provides a kind of alkalescence polishing liquid, containing nitrite, dodecylbenzene sulfonate, tin chloride, urea, tungstate, nitrilotriacetic acid disodium, ammonium molybdate, phenylalanine and water.
In alkalescence polishing liquid provided by the invention, the concrete kind of nitrite can be selected in wide scope, but considers the solvability of nitrite in water, and preferably, nitrite is selected from potassium nitrite and/or Sodium Nitrite.
In alkalescence polishing liquid provided by the invention, the concrete kind of dodecylbenzene sulfonate can be selected in wide scope, but consider the solvability of dodecylbenzene sulfonate in water, preferably, dodecylbenzene sulfonate is selected from one or more in Potassium dodecylbenzenesulfonate, Sodium dodecylbenzene sulfonate and Witco 1298 Soft Acid ammonium.
In alkalescence polishing liquid provided by the invention, the concrete kind of tungstate can be selected in wide scope, but considers the solvability of tungstate in water, preferably, tungstate be selected from potassium wolframate, sodium wolframate and ammonium tungstate one or more.
In alkalescence polishing liquid provided by the invention, the concrete content of each component can be selected in wide scope, but make alkalescence polishing liquid can have more excellent polishing effect to aluminium alloy, preferably, relative to the nitrite of 100 weight parts, the content of dodecylbenzene sulfonate is 40-55 weight part, the content of tin chloride is 12-25 weight part, the content of urea is 20-40 weight part, the content of tungstate is 20-30 weight part, the content of nitrilotriacetic acid disodium is 12-27 weight part, the content of ammonium molybdate is 17-35 weight part, the content of phenylalanine is 7-14 weight part, the content of water is 500-2000 weight part.
Present invention also offers a kind of preparation method of alkalescence polishing liquid, comprise the mixing of nitrite, dodecylbenzene sulfonate, tin chloride, urea, tungstate, nitrilotriacetic acid disodium, ammonium molybdate, phenylalanine and water with obtained alkalescence polishing liquid.
In preparation method provided by the invention, the concrete kind of nitrite can be selected in wide scope, but considers the solvability of nitrite in water, and preferably, nitrite is selected from potassium nitrite and/or Sodium Nitrite.
In preparation method provided by the invention, the concrete kind of dodecylbenzene sulfonate can be selected in wide scope, but consider the solvability of dodecylbenzene sulfonate in water, preferably, dodecylbenzene sulfonate is selected from one or more in Potassium dodecylbenzenesulfonate, Sodium dodecylbenzene sulfonate and Witco 1298 Soft Acid ammonium.
In preparation method provided by the invention, the concrete kind of tungstate can be selected in wide scope, but considers the solvability of tungstate in water, preferably, tungstate be selected from potassium wolframate, sodium wolframate and ammonium tungstate one or more.
In preparation method provided by the invention, the concrete consumption of each component can be selected in wide scope, but more excellent polishing effect can be had to aluminium alloy to make the alkalescence polishing liquid obtained, preferably, relative to the nitrite of 100 weight parts, the consumption of dodecylbenzene sulfonate is 40-55 weight part, the consumption of tin chloride is 12-25 weight part, the consumption of urea is 20-40 weight part, the consumption of tungstate is 20-30 weight part, the consumption of nitrilotriacetic acid disodium is 12-27 weight part, the consumption of ammonium molybdate is 17-35 weight part, the consumption of phenylalanine is 7-14 weight part, the consumption of water is 500-2000 weight part.
Below will be described the present invention by embodiment.
Embodiment 1
At 25 DEG C, Sodium Nitrite, Sodium dodecylbenzene sulfonate, tin chloride, urea, sodium wolframate, nitrilotriacetic acid disodium, ammonium molybdate, phenylalanine and water are carried out mixing 1h according to the ratio that weight ratio is 100:45:20:30:25:20:25:10:1500 and obtains alkalescence polishing liquid A1.
Embodiment 2
At 25 DEG C, potassium nitrite, Potassium dodecylbenzenesulfonate, tin chloride, urea, potassium wolframate, nitrilotriacetic acid disodium, ammonium molybdate, phenylalanine and water are carried out mixing 1h according to the ratio that weight ratio is 100:40:12:20:20:12:17:7:500 and obtains alkalescence polishing liquid A2.
Embodiment 3
At 25 DEG C, Sodium Nitrite, Sodium dodecylbenzene sulfonate, tin chloride, urea, sodium wolframate, nitrilotriacetic acid disodium, ammonium molybdate, phenylalanine and water are carried out mixing 1h according to the ratio that weight ratio is 100:55:25:40:30:27:35:14:2000 and obtains alkalescence polishing liquid A3.
Comparative example 1
Obtained alkalescence polishing liquid B1 is carried out according to the method for embodiment 1, unlike, do not use Sodium Nitrite.
Comparative example 2
Obtained alkalescence polishing liquid B2 is carried out according to the method for embodiment 1, unlike, do not use Sodium dodecylbenzene sulfonate.
Comparative example 3
Obtained alkalescence polishing liquid B3 is carried out according to the method for embodiment 1, unlike, do not use ten tin chlorides.
Comparative example 4
Obtained alkalescence polishing liquid B4 is carried out according to the method for embodiment 1, unlike, do not use ten urea.
Comparative example 5
Obtained alkalescence polishing liquid B5 is carried out according to the method for embodiment 1, unlike, do not use sodium wolframate.
Comparative example 6
Obtained alkalescence polishing liquid B6 is carried out according to the method for embodiment 1, unlike, do not use nitrilotriacetic acid disodium.
Comparative example 7
Obtained alkalescence polishing liquid B7 is carried out according to the method for embodiment 1, unlike, do not use ammonium molybdate.
Comparative example 8
Obtained alkalescence polishing liquid B8 is carried out according to the method for embodiment 1, unlike, do not use phenylalanine.
Test example 1
At 80 DEG C, multiple aluminum alloy sheet is placed in above-mentioned alkalescence polishing liquid respectively and carries out polished finish, then by KGZ-1A type vancometer, tracing detection is carried out to the glossiness of tinsel, respectively record 10s time glossiness (G1), 30s time glossiness (G2), 60s time glossiness (G3) and 90s time glossiness (G4), concrete outcome is in table 1.
Table 1
| G1/Gs | G2/Gs | G3/Gs | G4/Gs | |
| A1 | 39 | 50 | 66 | 87 |
| A2 | 40 | 51 | 64 | 86 |
| A3 | 41 | 52 | 67 | 87 |
| B1 | 38 | 55 | Pit | Pit |
| B2 | 39 | 50 | Pit | Pit |
| B3 | 37 | 54 | Pit | Pit |
| B4 | 38 | 52 | 63 | Pit |
| B5 | 39 | 53 | Pit | Pit |
| B6 | 39 | 54 | Pit | Pit |
| B7 | 38 | 51 | Pit | Pit |
| B8 | 37 | 53 | 60 | Pit |
Known by above-described embodiment, comparative example and test example, alkalescence polishing liquid provided by the invention has excellent polishing effect for aluminium alloy, and preparation method's step of this alkalescence polishing liquid is simple, raw material is easy to get.
More than describe the preferred embodiment of the present invention in detail; but the present invention is not limited to the detail in above-mentioned embodiment, within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible array mode.
In addition, also can carry out arbitrary combination between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. an alkalescence polishing liquid, is characterized in that, containing nitrite, dodecylbenzene sulfonate, tin chloride, urea, tungstate, nitrilotriacetic acid disodium, ammonium molybdate, phenylalanine and water.
2. alkalescence polishing liquid according to claim 1, wherein, described nitrite is selected from potassium nitrite and/or Sodium Nitrite.
3. alkalescence polishing liquid according to claim 1, wherein, described dodecylbenzene sulfonate be selected from Potassium dodecylbenzenesulfonate, Sodium dodecylbenzene sulfonate and Witco 1298 Soft Acid ammonium one or more.
4. alkalescence polishing liquid according to claim 1, wherein, described tungstate be selected from potassium wolframate, sodium wolframate and ammonium tungstate one or more.
5. the alkalescence polishing liquid according to any one in claim 1-4, wherein, relative to the nitrite of 100 weight parts, the content of described dodecylbenzene sulfonate is 40-55 weight part, the content of described tin chloride is 12-25 weight part, the content of described urea is 20-40 weight part, the content of described tungstate is 20-30 weight part, the content of described nitrilotriacetic acid disodium is 12-27 weight part, the content of described ammonium molybdate is 17-35 weight part, the content of described phenylalanine is 7-14 weight part, and the content of described water is 500-2000 weight part.
6. a preparation method for alkalescence polishing liquid, is characterized in that, comprises the mixing of nitrite, dodecylbenzene sulfonate, tin chloride, urea, tungstate, nitrilotriacetic acid disodium, ammonium molybdate, phenylalanine and water with obtained alkalescence polishing liquid.
7. preparation method according to claim 6, wherein, described nitrite is selected from potassium nitrite and/or Sodium Nitrite.
8. preparation method according to claim 6, wherein, described dodecylbenzene sulfonate be selected from Potassium dodecylbenzenesulfonate, Sodium dodecylbenzene sulfonate and Witco 1298 Soft Acid ammonium one or more.
9. preparation method according to claim 6, wherein, described tungstate be selected from potassium wolframate, sodium wolframate and ammonium tungstate one or more.
10. the preparation method according to any one in claim 6-9, wherein, relative to the nitrite of 100 weight parts, the consumption of described dodecylbenzene sulfonate is 40-55 weight part, the consumption of described tin chloride is 12-25 weight part, the consumption of described urea is 20-40 weight part, the consumption of described tungstate is 20-30 weight part, the consumption of described nitrilotriacetic acid disodium is 12-27 weight part, the consumption of described ammonium molybdate is 17-35 weight part, the consumption of described phenylalanine is 7-14 weight part, and the consumption of described water is 500-2000 weight part.
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Citations (7)
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| JPS55113883A (en) * | 1979-02-26 | 1980-09-02 | Yoshimitsu Takahashi | Al same alloy chemical polishing composition of alkaline bath |
| JPS5845380A (en) * | 1981-09-14 | 1983-03-16 | Yokoyama Hyomen Kogyo Kk | Alkaline chemical polishing liquid for aluminum |
| CN102925900A (en) * | 2012-10-19 | 2013-02-13 | 贵州航天林泉电机有限公司 | Alkaline chemical polishing solution and alkaline chemical polishing method |
| CN104342704A (en) * | 2014-10-20 | 2015-02-11 | 苏州大学 | Oxidizing agent-free alkaline aluminum alloy polishing liquid and preparation method thereof |
| CN104388939A (en) * | 2014-11-20 | 2015-03-04 | 无锡鸿声铝业有限公司 | Polishing solution for aluminum alloy |
| CN104532247A (en) * | 2014-12-15 | 2015-04-22 | 镁联科技（芜湖）有限公司 | Aluminum alloy polishing agent, preparation method thereof and aluminum alloy 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 |
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2015
- 2015-07-21 CN CN201510433847.3A patent/CN105039992A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55113883A (en) * | 1979-02-26 | 1980-09-02 | Yoshimitsu Takahashi | Al same alloy chemical polishing composition of alkaline bath |
| JPS5845380A (en) * | 1981-09-14 | 1983-03-16 | Yokoyama Hyomen Kogyo Kk | Alkaline chemical polishing liquid for aluminum |
| CN102925900A (en) * | 2012-10-19 | 2013-02-13 | 贵州航天林泉电机有限公司 | Alkaline chemical polishing solution and alkaline chemical polishing method |
| CN104342704A (en) * | 2014-10-20 | 2015-02-11 | 苏州大学 | Oxidizing agent-free alkaline aluminum alloy polishing liquid and preparation method thereof |
| CN104388939A (en) * | 2014-11-20 | 2015-03-04 | 无锡鸿声铝业有限公司 | Polishing solution for aluminum alloy |
| CN104532247A (en) * | 2014-12-15 | 2015-04-22 | 镁联科技（芜湖）有限公司 | Aluminum alloy polishing agent, preparation method thereof and aluminum alloy 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 |
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