WO2010058914A2 - 플레이크 아연의 제조장치 - Google Patents
플레이크 아연의 제조장치 Download PDFInfo
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- WO2010058914A2 WO2010058914A2 PCT/KR2009/006349 KR2009006349W WO2010058914A2 WO 2010058914 A2 WO2010058914 A2 WO 2010058914A2 KR 2009006349 W KR2009006349 W KR 2009006349W WO 2010058914 A2 WO2010058914 A2 WO 2010058914A2
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- WIPO (PCT)
- Prior art keywords
- flake
- zinc
- ball mill
- holding tank
- present
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/06—Metallic powder characterised by the shape of the particles
- B22F1/068—Flake-like particles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
- B22F2009/043—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by ball milling
Definitions
- the present invention relates to an apparatus for producing flake zinc, and more particularly, to flake a spherical zinc powder using a flake composite ball milling, so that the degree of flaky zinc is excellent and the porosity is increased. It is possible to improve the anti-corrosive pigment performance by increasing the blocking effect of corrosion factors and increase the specific surface area by minimizing the corrosion resistance, and to provide a high-yield commercial application of flake zinc characterized in that the commercial application is possible. .
- zinc powder acts as a sacrificial anode which is contained in the paint and corrodes before iron, thereby preventing corrosion of an object to be protected.
- Zinc powder as a conventional anticorrosive pigment forms a particle size distribution of 1 ⁇ 10 ⁇ m and uses a gloss-shaped globular gray powder, the conventional spherical zinc powder is deteriorated anticorrosive performance due to the large porosity formed when used in anticorrosive pigments There was a problem.
- the metal flake is a thin and flat structure of the metal particles, such as spherical shape, because the structure as described above to produce a high gloss visual effect and increase the specific surface area, so that milling the pigment particles of the spherical shape (milling) There are various attempts to flake by law.
- a spherical zinc powder is formed in an attrition milling having a structure of a cylindrical container 1 filled with a predetermined amount of abrasion resistant balls 3 such as zirconia and alumina.
- abrasion resistant balls 3 such as zirconia and alumina.
- the above methods are a method for increasing the grinding efficiency by giving a large impact to the raw powder by moving the ball in the circumferential direction in the rotating container in the spherical zinc powder, flake zinc through the conventional method as described above
- the present invention is to solve the above problems, spherical zinc powder, solvent and lubricant by using a new type of flake zinc manufacturing complex ball mill (Complex Ball Milling) that can improve the production yield and yield of flake zinc
- flake zinc is prepared using spherical zinc powder particles, so that the specific surface area of flake zinc is increased to minimize the large porosity generated in the case of spherical zinc powder, and to increase the blocking effect of corrosion factors and increase the specific surface area.
- Another object of the present invention is to provide an apparatus for producing flake zinc, which is characterized by high performance of anticorrosive pigments by expansion of anticorrosive performance.
- the present invention provides a flake zinc manufacturing apparatus for forming flake zinc, wherein the flake zinc manufacturing apparatus 10 is a holding tank 12, a circulation pump 14 and a compound ball mill. 20, and the composite ball mill 20 is connected to the holding tank 12, the inlet line 13 and the outlet line 15 while circulating the mixed raw material flowing into the holding tank 12 while spherical zinc Allowing the process to flake powder to proceed;
- the composite ball mill 20 is located in the inner cylinder (31) and the inner space 31 of the outer cylinder (30) is formed to accommodate the mixed raw material supplied from the holding tank 12, the external motor
- It is to provide a flake zinc manufacturing apparatus characterized in that it has a rotor (50) driven by the ball, the ball is a wear-resistant ball is filled in the inner space 31 to flake the spherical zinc powder It is a problem solving means.
- the degree of flaky zinc is excellent and the porosity is improved.
- Figure 3 is a schematic diagram of the flake zinc production apparatus according to a preferred embodiment of the present invention.
- Figure 4 is a schematic cross-sectional view for explaining the composite ball mill in detail in FIG.
- FIG. 5 is a perspective view for explaining the inner cylinder in detail in FIG.
- FIG. 6 is a graph showing a change in yield of the flake zinc prepared by the method of Examples 1 and 2 according to the present invention over time;
- Figure 3 is a schematic diagram of a flake zinc manufacturing apparatus according to a preferred embodiment of the present invention
- Figure 4 is a schematic cross-sectional view for explaining in detail the composite ball mill in Figure 3
- Figure 5 is a perspective view for explaining the inner cylinder in Figure 4 in detail to be.
- the flake zinc manufacturing apparatus 10 includes a holding tank 12 (holding tank), the circulation pump 14 and the compound ball mill 20, and The composite ball mill 20 is connected to the holding tank 12 and the inlet line 13 and the outlet line 15 to circulate the mixed raw material flowing into the holding tank 12 to flake the spherical zinc powder. Characterized in that.
- the holding tank 12 receives the raw materials of the spherical zinc powder, the solvent and the lubricant to form the flake zinc from the outside to produce a mixed raw material using a stirrer, this di-mixture is introduced by the circulation pump 14 It is supplied to the holding tank 12 through the line 13.
- the holding tank 12 is installed around the cooling jacket (cooling jacket (not shown)), it is possible to maintain the stirring and temperature by installing a stirring device.
- the outer cylinder 30 is formed with an inner space 31 for receiving the mixed raw material supplied from the holding tank 12, and It has a rotor 50 located in the inner space 31 of the outer cylinder 30 and driven by an external motor.
- a ball having a high wear resistance is filled to flake the spherical zinc powder.
- the outlet line 15 of the flake zinc manufacturing apparatus 10 according to the present invention is provided with a condenser 16 to prevent the temperature rise of the mixed raw material circulated from the compound ball mill 20 to the holding tank 12.
- the ball filled in the composite ball mill 20 is made of zirconia and alumina having high abrasion resistance.
- the ball is spherical or rod-shaped, and has a ball size of 0.1 to 5.0 mm, and the filling rate of the ball is filled. It is preferable to fill 20 to 80% by volume with respect to the volume of the space (inner space formed by the inner diameter of the inner cylinder, see FIG. 4).
- Such a flake zinc manufacturing apparatus 10 by the flakes of the spherical zinc powder through a specially designed composite ball mill 20, the ball for flake zincation (ball milling) like a conventional ball mill (ball milling) ball to be applied, and to increase the speed of rotation like attrition milling, the degree of flattening of flake zinc is excellent, minimizes the porosity, increases the blocking effect of corrosion factor and specific surface area. It is characterized by the high performance of the anticorrosive pigments by the expansion of the anticorrosive performance according to the increase.
- the composite ball mill 20 of the flake zinc manufacturing apparatus 10 is the inlet 32 and the discharge line connected to the inlet line (13, see Fig. 3)
- the ball is disposed in the inner space 31 of the outer cylinder 30 and disposed around the rotor 50 in the outer cylinder 30 formed of an outlet 34 connected to (15, FIG. 3). It is characterized by comprising an inner cylinder 40 located therein.
- the inner cylinder 40 has an outer diameter smaller than the inner diameter of the outer cylinder 30, and consists of a plurality of circular disks 41 formed to have an inner diameter larger than the outer diameter of the rotor 50 located in the inner space 31.
- the circular disk 41 has a form of a multi-layered stacked structure by being supported by the supporting bar 60 which is arranged at regular intervals in parallel with the inflow line 13 and coupled to the outer cylinder 30, and has a circular disk 41.
- the gap holder 62 is installed in the circumferential direction so that the mixed raw material flowing into the inner cylinder 40 flows into the outflow line 15.
- the number of the circular disks 41 is a multi-layered structure in which 10 to 100 circular disks are stacked in several layers.
- the number of circular disks 41 is not necessarily limited to the range of the number, and the number of the circular disks 41 may be appropriately adjusted according to the size of the inner cylinder 40. Can be.
- the inner cylinder 40 made of the circular disk 41 of such a multilayer structure has a high frictional force between the mixed raw material, the ball (not shown), and the rotor 50, while zinc is condensed on the inner wall of the outer cylinder 30 so as not to stick. Allow it to cycle through That is, the rotation of the rotor 50 causes friction between the mixed raw material and the ball and proceeds to flake formation. At this time, the gap between the inner cylinder 40 (installed between the circular disks 41) before the generation of frictional heat and aggregation between particles occurs. The gap formed between the gap holders 62 to be flaked out. Repeating this process several times, the flakes proceed and the particle size distribution is measured to stop the process and recover the flake zinc when the target particle size is reached.
- the outer cylinder 30 is horizontal with respect to the rotation axis of the rotor 50 to minimize the vibration generated by rotating the rotor 50 connected to the rotating shaft, the inlet 32 into which the internal pressure and the mixed raw material in the outer cylinder 30 is introduced.
- An inner cylinder 40 as described above is installed in the inner space 31 of the outer cylinder 30 to separate the flake zinc into the outlet 34. Then, when the mixed raw material (mixed raw material of the flake zincation process in progress) flowing out to the outlet 34 through the inner cylinder 40 is transferred to the holding tank 12 through the outflow line 15, the outflow line 15 is placed on the outflow line 15. Installed in the is cooled through the condenser 16. This cycle stops when the particle size distribution of the mixed raw material is measured in the range of 10-50 ⁇ m. The working time for which fully flattening depends on the amount of raw materials and the speed of rotation.
- a method of flake-forming a spherical zinc powder using a flake complex composite ball mill (flake complexing mill) according to the present invention is as follows.
- the present invention is 30 to 90% by weight solvent, 10 to 70% by weight of the spherical zinc powder, and 100 to 100 parts by weight of the spherical zinc powder by using a flake complex ball mill (complex ball milling) is a zinc manufacturing apparatus 0.01 to 10.0 After mixing the weight portion mixed in the holding tank 12 into the composite ball mill 20 container through the inlet line 13, the rotor 50 is rotated for 10 to 360 minutes at a speed of 100 ⁇ 8,000 rpm 10 It provides a method for producing flake zinc, characterized in that for producing a zinc flake having a particle size distribution of ⁇ 50um.
- the mixed raw material is introduced into the compound ball mill 20 to improve the flaking workability and then circulated to the holding tank 12 through the outlet line 15 so that the circulation rate of the mixed raw material is 5 to 30% by volume. It is characterized in that the flake working process proceeds.
- the circulation rate of the mixed raw material is out of the circulation rate range, there is a fear that the flaking workability is deteriorated.
- the mixed raw material is preferably 30 to 90% by weight of solvent, 10 to 70% by weight of spherical zinc powder, and 0.01 to 10.0 parts by weight of lubricant based on 100 parts by weight of the spherical zinc powder.
- the solvent imparted fluidity to the spherical zinc powder during the flake operation thereby smoothly supplying the mixed raw material from the inlet line to the inside of the compound ball mill, and the solvent easily with the fluidity during the flake operation of the spherical zinc powder in the compound ball mill.
- the amount of the solvent is less than 30% by weight, the flow rate of the spherical zinc powder decreases as the amount of the spherical zinc powder is increased relative to the amount of the solvent. If the mixed amount of the solvent exceeds 90% by weight, there is a possibility that the flaking workability may decrease due to the delay of the working time for volatilizing the excess solvent as the solvent is excessively mixed.
- the solvent is methyl alcohol, ethyl alcohol, isopropyl alcohol, alcohols, xylene, benzene, toluene, coco hydrocarbons aromatic hydrocarbons, acetone, methyl ethyl ketone, methyl isobutyl ketone, asonine ketones Or it is preferable to select and use more than that.
- the spherical zinc powder used by this invention having a particle size range of 1-50 micrometers, More preferably, it is 1-10 micrometers. If the particle size range of the spherical zinc powder is out of the range defined above, the particle size of the spherical zinc powder may be too small or too large, thereby reducing the flaking workability.
- the lubricant is to prevent the agglomeration of the zinc powder during the milling operation.
- the amount of the lubricant is less than 0.01 part by weight with respect to 100 parts by weight of the spherical zinc powder, the powder may aggregate with each other due to the lack of the lubricant.
- the mixing amount of the lubricant exceeds 10.0 parts by weight, there is a fear that the purity of the final product is lowered and the working time is increased.
- Lubricants usable in the present invention may be selected from stearic acid type or gasoline-based (white spirit, mineral sprit, etc.), polyethylene waxes (PCE (Perchloroethylene)), fluorine waxes (PTFE (Polytetrafluorethylene)), silicone waxes or It is recommended to use more than that.
- PCE Perchloroethylene
- PTFE Polytetrafluorethylene
- the mixed material is preferably 10 to 60% by volume relative to the volume of the inner space (inner space formed by the inner diameter of the inner cylinder, see Figure 4) formed by the inner diameter of the compound ball mill inner cylinder 40.
- the amount of the mixture is less than 10% by volume, there is a risk that the flaking workability is reduced due to the reduction of the milling area, and when it exceeds 60% by volume, the zinc powder may aggregate due to the generation of frictional heat.
- the composite ball mill is filled with 20 to 80% by volume with respect to the volume of the inner space formed of the ceramic ball of zirconium or alumina having a size of 0.1 ⁇ 5.0mm with the inner diameter of the compound ball mill inner cylinder 40 It is preferable.
- the flake zinc produced by the process according to the invention has a diameter of 10-50 ⁇ m and a thickness of 0.1-2 ⁇ m which is commercially available, and the ratio of the diameter and the thickness of the particles is 10: 1-100: 1, more preferably.
- a flake zinc manufacturing apparatus By using a flake complex ball milling device, a flake zinc manufacturing apparatus according to the present invention, 60% by weight of ethyl alcohol, 40% by weight of spherical zinc powder having a particle size range of 4-6 ⁇ m, and spherical zinc in a complex ball mill container. 20 vol% of the mixed ball mill internal space (the internal space formed by the inner diameter of the inner cylinder, see FIG. 4) of the mixed raw material mixed with 2 parts by weight of stearic acid lubricant as an additive with respect to 100 parts by weight of the powder is mixed. Input.
- the ball, the size of the zirconium material is 0.5 ⁇ 0.8mm container interior space filled with a condition of 70% by volume of the [preferred embodiment, the inner tube has an inner diameter of the internal space being formed by 40 (see Fig. 4) of the present invention;
- a rotational speed of 1300rpm at a flake zinc having a diameter of 10 ⁇ 50 ⁇ m and a thickness of 0.1 ⁇ 2 ⁇ m was found to be able to obtain a yield of 60% or more within 30 minutes (see Fig. 6 C-1).
- a flake zinc manufacturing apparatus By using a flake complex ball milling device, a flake zinc manufacturing apparatus according to the present invention, 70% by weight of ethyl alcohol, 30% by weight of spherical zinc powder having a particle size range of 4 to 6 ⁇ m, and spherical zinc in a complex ball mill container. 25% by volume of the mixed ball mill internal space (inner space formed by the inner diameter of the inner cylinder of the preferred embodiment of the present invention, see FIG. 4) was mixed with 2 parts by weight of stearic acid lubricant as an additive with respect to 100 parts by weight of powder. Input.
- the zirconium material ball size of 0.8 ⁇ 1.0mm at 70% by volume of the container interior space inner space formed by the inner diameter of the inner cylinder (40, see Figure 4) in the preferred embodiment of the present invention
- a spherical zinc powder with a particle size range of 4 to 6 ⁇ m is injected into the interior space of the composite ball mill container using attrition milling at a volume of 30% by volume in a zirconium material of 1.0 to 1.5 mm.
- the yield of flake zinc with ⁇ 50: 1 was 21% after 30 minutes, 22% after 60 minutes, and 33% after 120 minutes. However, after 120 minutes, the agglomeration of the particles occurred, and the grain size increased significantly, so that it was difficult to obtain a further yield (see FIG. 7A-1).
- Zirconium material size was added to the container by inserting 60% by weight of ethyl alcohol and 40% by weight of spherical zinc powder having a particle size range of 4 to 6 ⁇ m into an inside space of the container by using attrition milling.
- Ball with a diameter of 1.0 ⁇ 1.5mm was operated at a rotational speed of 2000rpm under wet process conditions filled with 50% by volume of the inner space of the vessel.
- the yield of flake zinc with a ratio of 10: 1 to 50: 1 was 18% after 30 minutes, 21% after 60 minutes, and 20% after 120 minutes. However, no further improvement in yield was seen after 48 hours later (see A-2 of FIG. 7).
- the flake zinc was prepared by adding 2 parts by weight of a stearic acid lubricant as an additive to 100 parts by weight of zinc powder under the same conditions as in Comparative Example 2, it had a diameter of 10 to 50 ⁇ m and a thickness of 0.1 to 2 ⁇ m, The yield of flake zinc with a ratio of 10: 1 to 50: 1 was 26% after 30 minutes, 30% after 60 minutes, and 27% after 120 minutes. However, after 48 hours, the yield was reduced to 25% or less (see FIG. 7A-3).
- Figure 6 relates to a graph showing the change in yield of the flake zinc produced by the method of Examples 1 and 2 according to the present invention over time, Figure 6 is compared with Examples 1 and 2 The graph which shows the change of the yield with time progress of the flake zinc manufactured by the method of the comparative examples 1-3.
- FIG. 8 and 9 are photographs of the zinc flakes prepared according to the method of Examples 1 and 2 according to the present invention in a SEM photograph and enlarged 2000 times, FIG. 8 is a sample of Example 1, FIG. 9 shows the samples of Example 2, respectively.
- the flake zinc manufacturing apparatus of the present invention in the flake zinc manufacturing apparatus to form flake zinc is a holding tank (12; holding tank), the circulation pump 14 and the compound ball mill 20
- the composite ball mill 20 is connected to the holding tank 12 and the inlet line 13 and the outlet line 15 to circulate the spherical zinc powder while circulating the mixed raw material flowing into the holding tank 12 Allow the process of oxidization to proceed;
- the composite ball mill 20 is located in the inner cylinder (31) and the inner space 31 of the outer cylinder (30) is formed to accommodate the mixed raw material supplied from the holding tank 12, the external motor It is characterized in that it has a rotor (50) driven by, the ball is abrasion resistance is filled in the inner space 31 to flake the spherical zinc powder.
- the present invention relates to an apparatus for producing flake zinc, and more particularly, to flake a spherical zinc powder using a flake composite ball milling, so that the degree of flaky zinc is excellent and the porosity is increased. It is possible to improve the anti-corrosive pigment performance by increasing the blocking effect of corrosion factors and increasing the anti-corrosive performance by increasing the specific surface area, and by shortening the manufacturing time by the continuous manufacturing process, it is possible to increase the yield and increase the yield. It is possible.
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Abstract
Description
Claims (3)
- 플레이크 아연 제조장치에 있어서,상기 플레이크 아연 제조장치(10)는 홀딩 탱크(12; holding tank), 순환펌프(14) 및 복합볼밀(20)을 구비하고,그리고 상기 복합볼밀(20)은 홀딩 탱크(12)와 유입라인(13) 및 유출라인(15)으로 접속되어 홀딩 탱크(12)로 유입되는 혼합원료를 순환시키면서 구형 아연분말을 플레이크화시키는 공정이 진행되도록 하되;상기 복합볼밀(20)은 홀딩 탱크(12)로부터 공급되는 혼합원료를 수용하는 내부 공간(31)이 형성되는 외통(30)과,상기 외통(30)의 내부 공간(31)내에 위치되어 외부 모터에 의해 구동되는 로터(50; rotor)를 갖고, 상기 내부 공간(31)내에 구형 아연분말을 플레이크화시키기 위해 내마모성이 강한 볼(ball)이 충진되는 것을 특징으로 하는 플레이크 아연 제조장치.
- 제 1 항에 있어서,상기 복합볼밀(20)은 충진된 볼이 내부에 위치되는 내통(40)을 더 포함하되;상기 내통(40)은 상기 외통(30)의 내경보다 작은 외경을 갖고, 상기 내부 공간(31)내에 위치되는 상기 로터(50)의 외경보다 큰 내경을 갖도록 형성되는 다수개의 원형디스크(41)로 이루어지되, 상기 원형디스크(41)는 상기 유입라인(13)과 평행하게 일정한 간격으로 배치되어 상기 외통(30)에 결합되는 서포팅 바(60)에 의해 지지되므로써 여러 겹 쌓여진 다층 구조의 형태을 갖고, 상기 원형디스크(41) 사이에는 둘레 방향으로 간극 유지구(62)가 설치되어 상기 내통(40)내로 유입되어 플레이크화 공정이 진행되는 혼합원료가 상기 유출라인(15)으로 배출되도록 하는 것을 특징으로 하는 플레이크 아연 제조장치.
- 제 2 항에 있어서,상기 유출라인(15)은 상기 복합볼밀(20)로부터 상기 홀딩 탱크(12)로 순환되는 혼합원료의 온도상승을 방지하는 콘덴서(16)를 더 포함하는 것을 특징으로 하는 플레이크 아연 제조장치.
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JP2011536236A JP2012509395A (ja) | 2008-11-19 | 2009-10-30 | 亜鉛フレークの製造装置 |
CN2009801461375A CN102216005B (zh) | 2008-11-19 | 2009-10-30 | 锌片的制造装置 |
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KR1020080115236A KR100901018B1 (ko) | 2008-11-19 | 2008-11-19 | 플레이크 아연의 제조장치 |
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KR101133659B1 (ko) * | 2010-03-10 | 2012-04-10 | 티엔씨 주식회사 | 밀링공정에 의한 아연 부산물의 가공방법과 이 방법에 의해 가공된 미세 아연 분말 |
CN104209509A (zh) * | 2014-08-27 | 2014-12-17 | 镇江宝纳电磁新材料有限公司 | 一种金属软磁微粉精细鳞片化装置 |
CN104209510B (zh) * | 2014-08-27 | 2016-09-07 | 镇江宝纳电磁新材料有限公司 | 串联式精细鳞片化组合装置 |
CN108421983A (zh) * | 2018-05-29 | 2018-08-21 | 曲源 | 制备金属片状粉体的装置及利用该装置制备金属片状粉体的方法 |
KR102305281B1 (ko) * | 2018-11-07 | 2021-09-28 | 메탈페이스 주식회사 | 실란 커플링 반응을 이용한 친수성 아연 플레이크의 제조방법 |
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US4469282A (en) * | 1976-10-06 | 1984-09-04 | Aluminum Company Of America | Metal flake production |
US4915729A (en) * | 1985-04-16 | 1990-04-10 | Battelle Memorial Institute | Method of manufacturing metal powders |
US20050150984A1 (en) * | 2002-09-23 | 2005-07-14 | Savin Ronald R. | Process for dry milling zinc powder to produce zinc flake |
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JP4489256B2 (ja) * | 2000-07-14 | 2010-06-23 | 日本コークス工業株式会社 | 粉砕機 |
JP2002119878A (ja) * | 2000-10-17 | 2002-04-23 | Toray Ind Inc | 粉砕機 |
CN1126624C (zh) * | 2000-10-26 | 2003-11-05 | 上海交通大学 | 氮气保护氛下鳞片状铜金粉制造方法 |
JP4034945B2 (ja) * | 2001-05-11 | 2008-01-16 | 電源開発株式会社 | 多機能性フライアッシュ及びその製造方法 |
JP4373179B2 (ja) * | 2003-10-22 | 2009-11-25 | 日本コークス工業株式会社 | 粉砕機 |
CN100391662C (zh) * | 2005-09-12 | 2008-06-04 | 昆明理工恒达科技有限公司 | 低松比片状银粉的制备方法 |
JP5026819B2 (ja) * | 2007-03-02 | 2012-09-19 | 日本コークス工業株式会社 | メディア攪拌型湿式粉砕機及び粉砕処理方法 |
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2008
- 2008-11-19 KR KR1020080115236A patent/KR100901018B1/ko active IP Right Grant
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2009
- 2009-10-30 JP JP2011536236A patent/JP2012509395A/ja active Pending
- 2009-10-30 CN CN2009801461375A patent/CN102216005B/zh not_active Expired - Fee Related
- 2009-10-30 WO PCT/KR2009/006349 patent/WO2010058914A2/ko active Application Filing
Patent Citations (4)
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US4469282A (en) * | 1976-10-06 | 1984-09-04 | Aluminum Company Of America | Metal flake production |
US4172720A (en) * | 1978-07-06 | 1979-10-30 | United States Bronze Powders, Inc. | Flaked metal powders and method of making same |
US4915729A (en) * | 1985-04-16 | 1990-04-10 | Battelle Memorial Institute | Method of manufacturing metal powders |
US20050150984A1 (en) * | 2002-09-23 | 2005-07-14 | Savin Ronald R. | Process for dry milling zinc powder to produce zinc flake |
Also Published As
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CN102216005B (zh) | 2013-06-05 |
JP2012509395A (ja) | 2012-04-19 |
KR100901018B1 (ko) | 2009-06-04 |
CN102216005A (zh) | 2011-10-12 |
WO2010058914A3 (ko) | 2010-08-05 |
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