JPS6324085A - Production of insoluble anode - Google Patents
Production of insoluble anodeInfo
- Publication number
- JPS6324085A JPS6324085A JP61055633A JP5563386A JPS6324085A JP S6324085 A JPS6324085 A JP S6324085A JP 61055633 A JP61055633 A JP 61055633A JP 5563386 A JP5563386 A JP 5563386A JP S6324085 A JPS6324085 A JP S6324085A
- Authority
- JP
- Japan
- Prior art keywords
- alloy
- wire
- insoluble anode
- group metal
- substrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 17
- 239000000956 alloy Substances 0.000 claims abstract description 17
- 229910052751 metal Inorganic materials 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims abstract description 13
- 238000005507 spraying Methods 0.000 claims abstract description 8
- 239000011248 coating agent Substances 0.000 claims abstract description 6
- 238000000576 coating method Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 10
- 238000004880 explosion Methods 0.000 abstract description 5
- 239000002245 particle Substances 0.000 abstract description 3
- 229910018879 Pt—Pd Inorganic materials 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 abstract 3
- 229910001260 Pt alloy Inorganic materials 0.000 abstract 1
- 230000003746 surface roughness Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 238000005868 electrolysis reaction Methods 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 229910002835 Pt–Ir Inorganic materials 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Landscapes
- Electrodes For Compound Or Non-Metal Manufacture (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、電解工業に於ける陽極、所謂不溶性陽極を製
造する方法に関する。DETAILED DESCRIPTION OF THE INVENTION (Industrial Field of Application) The present invention relates to a method for producing an anode in the electrolysis industry, a so-called insoluble anode.
（従来の技術）
従来より種々の電解工業及びめっき工業に於ける陽極、
所謂不溶性陽極には、Ｔｉ基材上にＰｔめっきを施した
Ｐｔめっき／Ｔｉ電極が多用されてきた。(Prior art) Anodes have been used in various electrolytic industries and plating industries.
As a so-called insoluble anode, a Pt-plated/Ti electrode in which Pt plating is applied on a Ti base material has been frequently used.
（発明が解決しようとする問題点）
ところで、不溶性陽極には見掛は上の表面積の他に、表
面粗さによる実質上の表面積の大きいことが必要である
が、Ｐｔめっきの場合は、表面粗さが小さく、その為実
質表面積が小さく、電解効率が低く、しかも工程が複雑
で長時間を要しこれらこれら面での改善が望まれていた
。(Problems to be Solved by the Invention) Incidentally, in addition to the apparent surface area, an insoluble anode needs to have a large substantial surface area due to surface roughness. The roughness is small, so the effective surface area is small, the electrolytic efficiency is low, and the process is complicated and takes a long time, so improvements in these aspects have been desired.
そこで本発明は、Ｔｉ基材上にＰｔ又はＰｔとＰｔ族金
属の合金を容易に被覆でき、しかも表面粗さが極めて大
きくて電解効率の高い不溶性陽極を製造する方法を提供
しようとするものである。Therefore, the present invention aims to provide a method for manufacturing an insoluble anode that can easily coat a Ti base material with Pt or an alloy of Pt and a Pt group metal, has extremely large surface roughness, and has high electrolytic efficiency. be.
（問題点を解決するための手段）
上記問題点を解決するための本発明の技ｆネｉ的手段は
、Ｔｉ基材上に、Ｐｔ又はＰｔとＰｔ族金属との合金が
被覆された不溶性陽極を製造するに於いて、Ｔｉ基材上
に、Ｐｔ又はＰｔとＰｔ族金属との合金より成る線材又
は板材を線爆溶射して、即ち線材又は板材に大気中又は
雰囲気ガス中で衝撃大電流を通じて放電爆発させ、これ
によって飛散するＰｔ顆粒子はＰｔとＰｔ族金属との合
金粒子を高速度で溶射して、Ｔｉ基材上にｆＪｉ突させ
、Ｐｔ又はＰｔとＰｔ族金属との合金を被覆することを
特徴とするものである。(Means for Solving the Problems) The technical means of the present invention for solving the above problems is to use an insoluble Ti base material coated with Pt or an alloy of Pt and a Pt group metal. In manufacturing the anode, a wire or plate made of Pt or an alloy of Pt and a Pt group metal is wire-blast sprayed onto a Ti base material, that is, the wire or plate is exposed to a large impact in the atmosphere or atmospheric gas. The Pt granules scattered by electric discharge explosion are sprayed with alloy particles of Pt and Pt group metals at high speed and bombarded onto the Ti base material to form Pt or an alloy of Pt and Pt group metals. It is characterized by being coated with.
（作用）
上記本発明の不溶性陽極の製造方法では、Ｔｉ基材上に
、線爆溶射によってＰｔ又はＰｔとＰｔ族金属との合金
を被覆するのであるから、その被膜は溶融飛散する粒子
が非常に小さいことと、飛散速度が非常に速いことによ
り、気孔率が小さく、密着強度が大きく、しかも表面粗
度が非常に大きいものとなる。従って、実質上の表面積
が極めて大きく、電解効率の高い不溶性陽極が短時間に
容易に得られる。(Function) In the above method for manufacturing an insoluble anode of the present invention, the Ti base material is coated with Pt or an alloy of Pt and a Pt group metal by wire bombardment spraying, so the coating is extremely free of melted and scattered particles. Due to the small size and very high scattering speed, the porosity is small, the adhesion strength is large, and the surface roughness is very large. Therefore, an insoluble anode having an extremely large substantial surface area and high electrolytic efficiency can be easily obtained in a short time.
（実施例）
本発明による不溶性陽極の製造方法の実施例を従来例と
共に説明する。先ず第１の実施例について説明すると、
幅１０璽１、長さ１００ｆｌ、厚さ１１ｍのＴｉ板に、
Ｐｔ−Ｐｃ１３０％をｖＡ爆溶射した。線爆溶射の条件
は、コンデンサ容量Ｃ−８０μＦのコンデンサに、充電
電圧Ｖ−７，２ＫＶで充電させ、このエネルギー２０７
３．６ジユールをｌ ｍｍ’Ｘ５Ｑｍｍ’のｐｃ−Ｐｄ
、３ｏ％線材に瞬時与え、Ｐｔ−Ｐｄを溶融飛散させて
Ｔｉ板に被覆した。この時の溶射距離は１８ｍ−であり
、線爆溶射溶射されたＰ ｔ−Ｐｄ３０％被膜は５μｍ
で均一であった。この時要した時間は両面コーティング
で１０秒以内であった。そしてそのＰＬ−Ｐｄ３０％被
膜の表面の粗さは、第１図に示す通りであった。(Example) An example of the method for manufacturing an insoluble anode according to the present invention will be described together with a conventional example. First, the first example will be explained.
On a Ti plate with a width of 10 pieces, a length of 100 fl, and a thickness of 11 m,
Pt-Pc 130% was sprayed by vA explosion. The conditions for wire blast spraying are as follows: A capacitor with a capacitance of C-80 μF is charged at a charging voltage of V-7.2KV, and this energy is 207 μF.
3.6 joules to l mm'X5Qmm' pc-Pd
, was applied instantly to a 30% wire rod, and the Pt--Pd was melted and scattered to coat the Ti plate. The spraying distance at this time was 18 m-, and the Pt-Pd 30% coating coated with radiation bomb spraying had a thickness of 5 μm.
It was uniform. The time required for coating both sides was less than 10 seconds. The surface roughness of the 30% PL-Pd coating was as shown in FIG.
次に第２の実施例について説明すると、幅１０薦舷長さ
１００１１Ｘ厚さ１冨謹のＴｉ板に、予めＰｔ１μｍ電
気めっきを施し、このＰｔめっきＴｉ板に１ｍｍｆ’Ｘ
５Ｑ凋−のＰｔ−Ｉｒ３３％の合金線材を線爆溶射した
。線爆溶射の条件は前記の第１実施例で同一で、線爆溶
射されたＰｔ−Ｉｒ３３％合金層は３〜５μｍで、表面
粗さは第２図に示す通りであった。Next, to explain the second example, a Ti plate with a width of 10, a recommended board length of 10011 x a thickness of 1,000 mm was electroplated with Pt of 1 μm in advance, and this Pt-plated Ti plate was coated with 1 mm f'
A 5Q-thin Pt-Ir 33% alloy wire was wire blast sprayed. The wire bomb spraying conditions were the same as in the first example, and the wire bomb sprayed Pt-Ir 33% alloy layer had a thickness of 3 to 5 μm and a surface roughness as shown in FIG.
一方、従来例は、幅１０１璽、長さ１００龍、厚さ１龍
のＴｉ板に、４時間がかりでＰｔ５μｍ電気めっきを施
したもので、その表面粗さは第３図に示す通りであった
。On the other hand, in the conventional example, a Ti plate with a width of 101 mm, a length of 100 mm, and a thickness of 1 mm was electroplated with Pt of 5 μm in 4 hours, and the surface roughness was as shown in Figure 3. Ta.
上記の如く被覆された第１、第２実施例及び従来例の不
溶性陽極と、通常のＴｉ組合わせて、電極面積２０ｍｍ
２、極間距離４ｎ、電解電流１５Ａ／ｄｍ２で３％Ｎａ
ＣＪを電解し、塩素発生効率を調べた処、第４図のグラ
フに示すような結果を得た。Combining the insoluble anodes of the first and second embodiments and the conventional example coated as described above with ordinary Ti, the electrode area was 20 mm.
2. 3% Na at an electrode distance of 4n and an electrolytic current of 15A/dm2
When CJ was electrolyzed and the chlorine generation efficiency was investigated, the results shown in the graph of FIG. 4 were obtained.
第４図のグラフで明らかなように、実施例の不溶性陽極
は従来例の不溶性陽極に比し、電解効率が約４０％向上
していることが判る。これはひとえにＰｔ又はＰｔとＰ
ｔ族金属との合金の線爆溶射によって、不溶性陽極の実
質表面積が大幅に増大したからにほかならない。As is clear from the graph of FIG. 4, it can be seen that the electrolysis efficiency of the insoluble anode of the example is improved by about 40% compared to the insoluble anode of the conventional example. This is simply Pt or Pt and P
This is because the effective surface area of the insoluble anode is greatly increased by the beam spraying of the alloy with the T-group metal.
（発明の効果）
以上詳記した通り本発明の不溶性陽極の製造方法によれ
ば、Ｔｉ基材上にＰｔ又はＰｔとＰｔ族金属の合金を極
めて短時間に容易に被覆でき、しかも実質表面積が極め
て大きくて電解効率の高い不溶性陽極を製造できるので
、従来の製造方法にとって代わることができ、種々の電
解工業及びめっき工業に貢献するところ大なるものであ
る。(Effects of the Invention) As detailed above, according to the method for manufacturing an insoluble anode of the present invention, Pt or an alloy of Pt and Pt group metal can be easily coated on a Ti base material in a very short time, and the substantial surface area is reduced. Since it is possible to produce an extremely large insoluble anode with high electrolytic efficiency, it can replace conventional production methods and will greatly contribute to various electrolysis and plating industries.
第１図及び第２図は、夫々第１の実施例及び第２の実施
例の陽極の表面粗さを示すグラフ、第３図は従来例の陽
極の表面粗さを示すグラフ、第４図は第１及び第２の実
施例と従来例の塩素効率を示すグラフである。
出願人 田中貴金属工業株式会社
第１図
第２図
第３図
第４図
鍾縛時間（ｍｊｎ）1 and 2 are graphs showing the surface roughness of the anodes of the first and second embodiments, respectively, FIG. 3 is a graph showing the surface roughness of the anode of the conventional example, and FIG. 4 is a graph showing the surface roughness of the anode of the conventional example. is a graph showing the chlorine efficiency of the first and second embodiments and the conventional example. Applicant Tanaka Kikinzoku Kogyo Co., Ltd. Figure 1 Figure 2 Figure 3 Figure 4 Closing time (mjn)
Claims (1)
覆された不溶性電極を製造するに於いて、Ｔｉ基材上に
、Ｐｔ又はＰｔとＰｔ族金属との合金より成る線材又は
板材を線爆溶射して、ＰｔまたはＰｔとＰｔ族金属との
合金を被覆することを特徴とする不溶性陽極の製造方法
。In producing an insoluble electrode in which a Ti base material is coated with Pt or an alloy of Pt and a Pt group metal, a wire or plate material made of Pt or an alloy of Pt and a Pt group metal is coated on a Ti base material. A method for producing an insoluble anode, which comprises coating Pt or an alloy of Pt and a Pt group metal by wire bombardment spraying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61055633A JPS6324085A (en) | 1986-03-13 | 1986-03-13 | Production of insoluble anode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61055633A JPS6324085A (en) | 1986-03-13 | 1986-03-13 | Production of insoluble anode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6324085A true JPS6324085A (en) | 1988-02-01 |
Family
ID=13004190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61055633A Pending JPS6324085A (en) | 1986-03-13 | 1986-03-13 | Production of insoluble anode |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6324085A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001088218A1 (en) * | 2000-05-15 | 2001-11-22 | Euromat Gesellschaft Für Werkstofftechnologie Und Transfer Mbh | Method for applying precious metal layer and/or alloy and use thereof |
| GB2365023A (en) * | 2000-07-18 | 2002-02-13 | Ionex Ltd | Increasing the surface area of an electrode |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4998783A (en) * | 1973-01-05 | 1974-09-18 | ||
| JPS49110544A (en) * | 1973-02-26 | 1974-10-21 | ||
| JPS5040473A (en) * | 1973-08-01 | 1975-04-14 | ||
| JPS54107939A (en) * | 1978-02-13 | 1979-08-24 | Nippon Tungsten | Wire explosion type molten projection method |
| JPS54126644A (en) * | 1978-03-20 | 1979-10-02 | Kawasaki Heavy Ind Ltd | Line explosive spraying method and apparatus |
| JPS6155632A (en) * | 1984-08-27 | 1986-03-20 | Canon Inc | Exposure controller |
-
1986
- 1986-03-13 JP JP61055633A patent/JPS6324085A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4998783A (en) * | 1973-01-05 | 1974-09-18 | ||
| JPS49110544A (en) * | 1973-02-26 | 1974-10-21 | ||
| JPS5040473A (en) * | 1973-08-01 | 1975-04-14 | ||
| JPS54107939A (en) * | 1978-02-13 | 1979-08-24 | Nippon Tungsten | Wire explosion type molten projection method |
| JPS54126644A (en) * | 1978-03-20 | 1979-10-02 | Kawasaki Heavy Ind Ltd | Line explosive spraying method and apparatus |
| JPS6155632A (en) * | 1984-08-27 | 1986-03-20 | Canon Inc | Exposure controller |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001088218A1 (en) * | 2000-05-15 | 2001-11-22 | Euromat Gesellschaft Für Werkstofftechnologie Und Transfer Mbh | Method for applying precious metal layer and/or alloy and use thereof |
| GB2365023A (en) * | 2000-07-18 | 2002-02-13 | Ionex Ltd | Increasing the surface area of an electrode |
| GB2365023B (en) * | 2000-07-18 | 2002-08-21 | Ionex Ltd | A process for improving an electrode |
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