US1012665A - Process for electroplating with zinc. - Google Patents
Process for electroplating with zinc. Download PDFInfo
- Publication number
- US1012665A US1012665A US63015811A US1911630158A US1012665A US 1012665 A US1012665 A US 1012665A US 63015811 A US63015811 A US 63015811A US 1911630158 A US1911630158 A US 1911630158A US 1012665 A US1012665 A US 1012665A
- Authority
- US
- United States
- Prior art keywords
- zinc
- bath
- sulfate
- electroplating
- sulfuric acid
- 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.)
- Expired - Lifetime
Links
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title description 19
- 229910052725 zinc Inorganic materials 0.000 title description 19
- 239000011701 zinc Substances 0.000 title description 19
- 238000009713 electroplating Methods 0.000 title description 9
- 238000000034 method Methods 0.000 title description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 24
- 235000011152 sodium sulphate Nutrition 0.000 description 12
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 9
- 229910052938 sodium sulfate Inorganic materials 0.000 description 9
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 7
- 229960001763 zinc sulfate Drugs 0.000 description 7
- 229910000368 zinc sulfate Inorganic materials 0.000 description 7
- 230000001464 adherent effect Effects 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 101100400378 Mus musculus Marveld2 gene Proteins 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229910000342 sodium bisulfate Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical class [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/22—Electroplating: Baths therefor from solutions of zinc
Definitions
- This invention has for its object to provide a process for electroplating metals and mechanical parts of iron, steel and the like with zinc in order to preserve them from rust.
- the invention is characterized by the employment of a cold bath of a special definite composition the object of which is to deposite galvanically upon the said metal parts an adherent and penetrating layer of metallic zinc.
- This bath comprises the chemical compounds set forth below in the following proportions: sulfate of. zinc 12 kilos, ammonium chlorid 3 kilos, sulfate of soda 2 kilos, sulfuric acid 1 kilo, water 100 liters. It should be employed in a cold state, that is to say it should not be maintained at a temperature exceeding 30 degrees centigrade approximately.
- a galvanic deposit is formed by employing the bath indicated above, and a suitable electric current or power; it is necessary to regulate the currentproportionately to the surface of the objects to be treated and to the capacity of the bath.
- an appropriate zinc plate should be employed. 7
- Process for electroplating with zinc which comprises forming a bath containing zinc sulfate, ammonium chlorid, sodium sulfate, sulfuric acid and Water, passing an elec-.
- Process for electroplating with zinc which comprises forming a bath containing zinc sulfate, ammonium chlorid, sodium sulfate, sulfuric acid and water, passing an electric current through the said bath while in the cold state, and forming an adherent deposit of metallic zinc upon the article to be coated while such electric current is being passed through the bath, employing a zinc plate as anode.
- Process for electroplatin with zinc which comprises forming a bat containing zinc sulfate, ammonium chlorid, sodium sulfate, sulfuric acid and water in the approximate proportions of 12 kilograms sulfate of zinc, 3 kilograms ammonium chlorid, 2 kilograms sodium sulfate, 1 kilogram sulfuric acid, to 100 liters of water, passing an electric current through the said bath, and forming an adherent deposit of metallic zinc upon the article to be coated while such electric current is being passed through the bath.
- Process for electroplating with zinc which comprises forming a bath containing zinc sulfate, ammonium chlorid, sodium sulfate, sulfuric acid and water in the approximate proportions of 12 kilograms zinc sulfate, 3 kilograms ammonium chlorid, 2 kilorams sodium sulfate, 1 kilogram sulfuric acid, to 100 liters of water, passing an electric current through the said bath at a temperature not exceeding 30 C., and forming an adherent deposit of metallic zinc upon the article to be coated while such electric current is being passed through the bath, employing a zinc plate as anode, substantially as described.
- An electroplating bath containing zinc sulfate, ammonium chlorid, sodium sulfate, sulfuric acid, and water.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electroplating And Plating Baths Therefor (AREA)
Description
AUGUSTE ABSENE LEMETRE, 0F PARIS, FRANCE.
PROCESS FOR ELECTROPLATING WITH ZINC.
No Drawing.
Specification of Letters Patent.
Patented Dec. 26, 1911.
Application filed May 29, 1911. Serial No. 630,158.
To all whom it may concern:
Be it known that I, AUoUs'rE ARsiaNE LEMfiTRE, a citizen of the Republic of France, residing at Paris, France, have invented certain new and useful Improvements in Processes for Electroplating with Zinc, of which the following is a specification.
This invention has for its object to provide a process for electroplating metals and mechanical parts of iron, steel and the like with zinc in order to preserve them from rust.
The invention is characterized by the employment of a cold bath of a special definite composition the object of which is to deposite galvanically upon the said metal parts an adherent and penetrating layer of metallic zinc. This bath comprises the chemical compounds set forth below in the following proportions: sulfate of. zinc 12 kilos, ammonium chlorid 3 kilos, sulfate of soda 2 kilos, sulfuric acid 1 kilo, water 100 liters. It should be employed in a cold state, that is to say it should not be maintained at a temperature exceeding 30 degrees centigrade approximately.
Various chemical compounds differing from those enumerated above might also be employed provided that they are capable of forming by their union or their combination, or by their dissociation, in the midst of the liquid constituting the bath itself, ammonium chlorid, sulfuric acid and sulfate of soda. With this object it is possible to employ bisulfate of soda, for example, seeing that it is capable of replacing, either entirely or partially, sulfate of soda and sulfuric acid; the sulfites, bi-sulfites and sulfurous acid which are capable of being oxidized by some convenient method and of furnishing the compounds utilized in the formula indicated above.
As already stated a galvanic deposit is formed by employing the bath indicated above, and a suitable electric current or power; it is necessary to regulate the currentproportionately to the surface of the objects to be treated and to the capacity of the bath. As regards the anode, an appropriate zinc plate should be employed. 7
I claim:
1. Process for electroplating with zinc, which comprises forming a bath containing zinc sulfate, ammonium chlorid, sodium sulfate, sulfuric acid and Water, passing an elec-.
tric current through the said bath, and forming an adherent deposit of metallic zinc upon the article to be coated while such electric current is being passed through the bath.
2. Process for electroplating with zinc, which comprises forming a bath containing zinc sulfate, ammonium chlorid, sodium sulfate, sulfuric acid and water, passing an electric current through the said bath while in the cold state, and forming an adherent deposit of metallic zinc upon the article to be coated while such electric current is being passed through the bath, employing a zinc plate as anode.
3. Process for electroplatin with zinc, which comprises forming a bat containing zinc sulfate, ammonium chlorid, sodium sulfate, sulfuric acid and water in the approximate proportions of 12 kilograms sulfate of zinc, 3 kilograms ammonium chlorid, 2 kilograms sodium sulfate, 1 kilogram sulfuric acid, to 100 liters of water, passing an electric current through the said bath, and forming an adherent deposit of metallic zinc upon the article to be coated while such electric current is being passed through the bath.
4:. Process for electroplating with zinc, which comprises forming a bath containing zinc sulfate, ammonium chlorid, sodium sulfate, sulfuric acid and water in the approximate proportions of 12 kilograms zinc sulfate, 3 kilograms ammonium chlorid, 2 kilorams sodium sulfate, 1 kilogram sulfuric acid, to 100 liters of water, passing an electric current through the said bath at a temperature not exceeding 30 C., and forming an adherent deposit of metallic zinc upon the article to be coated while such electric current is being passed through the bath, employing a zinc plate as anode, substantially as described.
5. An electroplating bath containing zinc sulfate, ammonium chlorid, sodium sulfate, sulfuric acid, and water.
6. An electroplating bath containing zinc sulfate, ammonium chlorid, sodium sulfate, In Witness whereof I have hereunto set sulfuric acid, and Water, combined in the my hand in presence of tWoWitnesses.
sulfate, 3 kilograms ammonium chlorid, 2 kilograms sodium sulfate, and l kilogram Witnesses: sulfuric acid, to 100 liters of Water, substan- VICTOR PIVoRT,
tially as described. DEAN B. MAS01 I substantial proportions of 12 kilograms zinc AUGUSTE ARSENE LEMETRE Copies of this patent may be obtained for five cents each, by addressing theGommissionr of Patents, I
\ Washington, D. 0.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US63015811A US1012665A (en) | 1911-05-29 | 1911-05-29 | Process for electroplating with zinc. |
| US660897A US1017981A (en) | 1911-05-29 | 1911-11-17 | Electroplating with zinc. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US63015811A US1012665A (en) | 1911-05-29 | 1911-05-29 | Process for electroplating with zinc. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US1012665A true US1012665A (en) | 1911-12-26 |
Family
ID=3080973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US63015811A Expired - Lifetime US1012665A (en) | 1911-05-29 | 1911-05-29 | Process for electroplating with zinc. |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US1012665A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3449229A (en) * | 1966-08-08 | 1969-06-10 | Hooker Chemical Corp | Electrophoretic deposition on zinc enriched metal surface |
| US4120760A (en) * | 1975-03-20 | 1978-10-17 | Mitsubishi Jukogyo Kabushiki Kaisha | Surface treatment of metals |
-
1911
- 1911-05-29 US US63015811A patent/US1012665A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3449229A (en) * | 1966-08-08 | 1969-06-10 | Hooker Chemical Corp | Electrophoretic deposition on zinc enriched metal surface |
| US4120760A (en) * | 1975-03-20 | 1978-10-17 | Mitsubishi Jukogyo Kabushiki Kaisha | Surface treatment of metals |
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