CN1456407A - Flake zinc and zinc-aluminium alloy powder wet method producing process - Google Patents
Flake zinc and zinc-aluminium alloy powder wet method producing process Download PDFInfo
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- CN1456407A CN1456407A CN 03124444 CN03124444A CN1456407A CN 1456407 A CN1456407 A CN 1456407A CN 03124444 CN03124444 CN 03124444 CN 03124444 A CN03124444 A CN 03124444A CN 1456407 A CN1456407 A CN 1456407A
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Abstract
A wet technology for preparing the flaky powder of zinc or Zn-Al alloy includes such steps as proprotioning non-flake powder of zinc or Zn-Al alloy, solvent, assistant and medium, ball grinding, polishing, classifying and solid-liquid separating. Its advantages are short time of ball grinding, high antioxidizing nature, high diameter/thickness rate, and high granularity uniformity.
Description
Technical field:
The present invention relates to the production technology of pigment powder, especially relate to sheet zinc and allumen powder wet process technique.
Background technology:
At present, zinc flake wet process technique well known in the art is normally: with the zinc powder raw material, solvent, stearic acid or stearates auxiliary agent in blocks drops into together in the ball mill (horizontal) that rotating speed is per minute tens commentaries on classics and carries out ball milling, slip is through the polishing classification behind the ball milling, Separation of Solid and Liquid obtains the zinc flake slurry, wherein during ball milling, for preventing product oxidation in the process, cause quality of finished to descend, ball milling speed all adopts low speed, therefore the ball milling time is long, the technology that described in U.S. Pat 4026710, reaches, its ball milling time needs more than 10 hours, though product quality before increases, but the ball milling time is long, efficient is low, the easy oxidation of gained finished surface, and the product covering power is low.
Summary of the invention:
The object of the present invention is to provide a kind of ball milling time short, the efficient height, product covering power height, the surface is difficult for the sheet zinc and the allumen powder wet process technique of oxidation.
Sheet zinc of the present invention and allumen powder wet process technique comprise batching, ball milling, polishing, classification, solid-liquid separation process, the ball milling operation of wherein preparing burden is with non-zinc flake or allumen powder raw material, solvent, contains a kind of auxiliary agent and ball-milling medium of metal oxide at least, drops into ball milling in the grinding machine that rotating speed is not less than 120r/min in proportion.
After solid-liquid separation process, carry out drying for obtaining sheet zinc and allumen powder.
Described non-zinc flake or allumen powder raw material are chosen granularity and are not coarser than 200 orders, and metal oxide is SiO
2, TiO
2, ZnO, Al
2O
3, Sb
2O
3, ZrO
2, V
2O
5, its consumption is the 0.05-10% of zinc granule or allumen grain weight amount.
Described metal oxide consumption is the 0.5-5% of raw material zinc powder or allumen grain weight amount.
Described grinding machine is preferably agitating ball mill or high energy ball mill, and rotational speed of ball-mill is 120-500r/min, and the ball milling time is 10-240min.
Ball milling speed is preferably 150-350r/min, and the ball milling time is 30-180min.
Because auxiliary agent of the present invention comprises a kind of metal oxide at least, in mechanical milling process, metal oxide is coated on zinc powder or allumen powder surface, increased the surface oxidation-resistant of zinc-aluminium or allumen powder, therefore can adopt speed high speed ball milling greater than 120r/min, time only needs 10-240min, shorten the ball milling time greatly thus, improved grinding efficiency, what bring is that energy consumption reduces thereupon, the product that obtains simultaneously compared with the prior art, it is regular to have the surface, and non-oxidizability is strong, and radius-thickness ratio is big, the covering power height, narrow particle size distribution.
The specific embodiment:
When the present invention specifically implements, its raw material zinc powder or allumen powder are gasification, non-zinc flake that condensation or atomization make or allumen powder, and granularity is not coarser than 200 orders, solvent is solvent naphtha, linseed oil, rosin or other high boiling solvent, and auxiliary agent comprises stearic acid, stearate and SiO
2, TiO
2, ZnO, Al
2O
3, Sb
2O
3, ZrO
2, V
2O
5Deng in the metal oxide one or more.Solvent load is the 30-300% of the weight of zinc or allumen powder, stearic acid, stearate are the 1-40% of zinc or allumen grain weight amount, be preferably 2-10%, the metal oxide consumption is the 0.05-10% of zinc or allumen grain weight amount, as 0.1,0.3,3,4,5,6,7,8,9, be preferably 0.5-5%, as 1,1.5.The ball mill that adopts is agitator mill or other high energy grinding machine, and running speed is not less than 120r/min, and range of choice is 120-500r/min, is preferably 150-350r/min, as 190,240,250,290r/min.Ball-milling medium is a steel ball, and diameter is 3-16mm, is preferably 4.5-12mm, and the ratio of itself and raw material zinc powder or allumen powder is 1: 0.5 to 1: 40, is preferably 1: 5 to 1: 20.
Embodiment 1: get 400 order zinc powder raw material 100kg, 200# solvent naphtha 200kg, zinc oxide 4kg, stearic acid 4kg, steel ball 2000kg and other auxiliary agent drop in the ball mill, with 210-230r/min, as using the discharging of 200kg solvent dilution behind the rotating speed ball milling 120min of 220r/min, slip dropped in the polishing machine polish, the slip after the polishing is classified, make sheet zinc and allumen powder slurry after the Separation of Solid and Liquid.
Embodiment 2: get 500 order zinc powder raw material 100kg, 200# solvent naphtha 200kg, zinc oxide 4kg, stearic acid 4kg, steel ball 2000kg and other auxiliary agent drop in the ball mill, to use the discharging of 200kg solvent dilution behind the rotating speed ball milling 120min of 220r/min, to starch to drop in the polishing machine and polish, the slip after the polishing is classified, make sheet zinc and allumen powder after the Separation of Solid and Liquid, drying.
According to the production process of above-mentioned two embodiment, the technological parameter of a following 3-10 embodiment is had nothing in common with each other (parameter of not listing in table is with embodiment 1 or 2), sees the following form:
| The embodiment sequence number | Material name | Granularity (order) | The oxide title | Oxide consumption (kg) | Ball milling speed (r/min) | The ball milling time (min) |
| ????3 | Zinc | 200 | ????TiO 2 | ????1 | ?320-340 | ????60 |
| ????4 | Zinc | 325 | ????SiO 2 | ????2 | ?300-320 | ????60 |
| ????5 | Zinc | 400 | ????ZrO 2 | ????2.5 | ?280-300 | ????90 |
| ????6 | Zinc | 500 | ????Al 2O 3 | ????3.5 | ?260-280 | ????120 |
| ????7 | Zinc | 600 | ????V 2O 5 | ????4 | ?240-260 | ????120 |
| ????8 | Zinc | 700 | ????Sb 2O 3 | ????4.5 | ?220-240 | ????120 |
| ????9 | Zinc | 800 | ????ZrO 2 | ????5 | ?180-220 | ????150 |
| ????10 | The allumen powder | 400 | ????SiO 2 | ????4 | ?200-240 | ????120 |
Claims (6)
1, a kind of sheet zinc and allumen powder wet process technique, comprise batching, ball milling, polishing, classification, solid-liquid separation process, it is characterized in that: batching ball milling operation is with non-zinc flake or allumen powder raw material, solvent, contains a kind of auxiliary agent and ball-milling medium of metal oxide at least, drops into ball milling in the grinding machine that rotating speed is not less than 120r/min in proportion.
2, sheet zinc according to claim 1 and allumen powder wet process technique is characterized in that: carry out drying after solid-liquid separation process.
3, according to claim 1,2 described sheet zinc and allumen powder wet process technique, it is characterized in that: described non-zinc flake or allumen powder raw material are chosen granularity and are not coarser than 200 orders, and metal oxide is SiO
2, TiO
2, ZnO, Al
2O
3, Sb
2O
3, ZrO
2, V
2O
5, its consumption is the 0.05-10% of zinc granule or allumen grain weight amount.
4, sheet zinc according to claim 3 and allumen powder wet process technique is characterized in that: described metal oxide consumption is the 0.5-5% of raw material zinc powder or allumen grain weight amount.
5, according to claim 1,2,3 described sheet zinc and allumen powder wet process technique, it is characterized in that: described grinding machine is preferably agitating ball mill or high energy ball mill, and rotational speed of ball-mill is 120-500r/min, and the ball milling time is 10-240min.
6, sheet zinc according to claim 4 and allumen powder wet process technique, it is characterized in that: ball milling speed is preferably 150-350r/min, and the ball milling time is 30-180min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03124444 CN1186153C (en) | 2003-05-28 | 2003-05-28 | Flake zinc and zinc-aluminium alloy powder wet method producing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03124444 CN1186153C (en) | 2003-05-28 | 2003-05-28 | Flake zinc and zinc-aluminium alloy powder wet method producing process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1456407A true CN1456407A (en) | 2003-11-19 |
| CN1186153C CN1186153C (en) | 2005-01-26 |
Family
ID=29411640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03124444 Expired - Fee Related CN1186153C (en) | 2003-05-28 | 2003-05-28 | Flake zinc and zinc-aluminium alloy powder wet method producing process |
Country Status (1)
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|---|---|
| CN (1) | CN1186153C (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100436007C (en) * | 2006-11-28 | 2008-11-26 | 中南大学 | Method for laminating round metallic aluminium in aqueous solution |
| CN101511510B (en) * | 2006-09-08 | 2011-11-16 | 新日本制铁株式会社 | Process for production of Zn alloy particles for highly anticorrosive and rust-inhibiting paint |
| CN102392254A (en) * | 2011-10-31 | 2012-03-28 | 西安理工大学 | Water-soluble corrosion inhibitor and method for preparing zinc slurry by using the same |
| CN103421994A (en) * | 2013-07-31 | 2013-12-04 | 江苏麟龙新材料股份有限公司 | Scale-like multi-element aluminum zinc silicon alloy powder containing La and Pr, and preparation method thereof |
| CN104070162A (en) * | 2014-07-11 | 2014-10-01 | 北方工业大学 | Surface modification preparation method of flaky metal powder. |
| CN104815987A (en) * | 2015-05-07 | 2015-08-05 | 昆明冶金研究院 | Flaky zinc powder preparation method |
| CN109500402A (en) * | 2018-12-25 | 2019-03-22 | 江苏科创金属新材料有限公司 | A kind of zinc metal sheet preparation method |
| CN109867994A (en) * | 2019-01-25 | 2019-06-11 | 北方工业大学 | A kind of flake metal powder material and preparation method thereof of the grease cladding of interspersed graphite |
| CN117655343A (en) * | 2024-01-31 | 2024-03-08 | 中铝科学技术研究院有限公司 | Flaky zinc powder, preparation method and application thereof |
-
2003
- 2003-05-28 CN CN 03124444 patent/CN1186153C/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101511510B (en) * | 2006-09-08 | 2011-11-16 | 新日本制铁株式会社 | Process for production of Zn alloy particles for highly anticorrosive and rust-inhibiting paint |
| US8105699B2 (en) | 2006-09-08 | 2012-01-31 | Nippon Steel Corporation | Zn alloy particles for high corrosion resistance rust protection paint, method of production of particles, high corrosion resistance rust protection paint containing particles, high corrosion resistance steel material coated with paint, and steel structure having steel material |
| CN102161093B (en) * | 2006-09-08 | 2014-03-12 | 新日铁住金株式会社 | Zn alloy particles for highly anticorrosive and rust-inhibiting paint, process for production of particles, highly anticorrosive and rust-inhibiting paint |
| CN100436007C (en) * | 2006-11-28 | 2008-11-26 | 中南大学 | Method for laminating round metallic aluminium in aqueous solution |
| CN102392254A (en) * | 2011-10-31 | 2012-03-28 | 西安理工大学 | Water-soluble corrosion inhibitor and method for preparing zinc slurry by using the same |
| CN103421994A (en) * | 2013-07-31 | 2013-12-04 | 江苏麟龙新材料股份有限公司 | Scale-like multi-element aluminum zinc silicon alloy powder containing La and Pr, and preparation method thereof |
| CN104070162A (en) * | 2014-07-11 | 2014-10-01 | 北方工业大学 | Surface modification preparation method of flaky metal powder. |
| CN104815987A (en) * | 2015-05-07 | 2015-08-05 | 昆明冶金研究院 | Flaky zinc powder preparation method |
| CN109500402A (en) * | 2018-12-25 | 2019-03-22 | 江苏科创金属新材料有限公司 | A kind of zinc metal sheet preparation method |
| CN109867994A (en) * | 2019-01-25 | 2019-06-11 | 北方工业大学 | A kind of flake metal powder material and preparation method thereof of the grease cladding of interspersed graphite |
| CN117655343A (en) * | 2024-01-31 | 2024-03-08 | 中铝科学技术研究院有限公司 | Flaky zinc powder, preparation method and application thereof |
| CN117655343B (en) * | 2024-01-31 | 2024-05-14 | 中铝科学技术研究院有限公司 | Flaky zinc powder, preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1186153C (en) | 2005-01-26 |
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