GB1382066A - Electroless silvering composition and method - Google Patents
Electroless silvering composition and methodInfo
- Publication number
- GB1382066A GB1382066A GB5826371A GB5826371A GB1382066A GB 1382066 A GB1382066 A GB 1382066A GB 5826371 A GB5826371 A GB 5826371A GB 5826371 A GB5826371 A GB 5826371A GB 1382066 A GB1382066 A GB 1382066A
- Authority
- GB
- United Kingdom
- Prior art keywords
- silver
- reducing agent
- solution
- electroless
- naoh
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/50—Methods or arrangements for servicing or maintenance, e.g. for maintaining operating temperature
- H01M6/5005—Auxiliary electrodes
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/31—Coating with metals
- C23C18/42—Coating with noble metals
- C23C18/44—Coating with noble metals using reducing agents
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemically Coating (AREA)
Abstract
1382066 Coating with silver LONDON LABORATORIES Ltd CO 15 Dec 1971 [16 Dec 1970] 58263/71 Heading C7F An electroless silver plating solution comprises an aqueous solution of a silver compound, preferably ammoniacal silver nitrate, a strong base, e.g. NaOH, and a reducing agent selected from an aldonic acid having 4-6C atoms, or a salt or lactone of said aldonic acid, preferably glucono delta lactone. The pH of the solution is at least 12. The ingredients are in the form of two or three separate solutions which are admixed just before plating, e.g. one solution may be of the reducing agent and the other of NaOH, AgNO 3 and NH 3 . The molar ratios of reducing agent: strong base: Ag compound is approximately 1:1:1 to 2:1:1. If desired, other reducing agents may also be employed e.g. carbohydrates.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US9871670A | 1970-12-16 | 1970-12-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1382066A true GB1382066A (en) | 1975-01-29 |
Family
ID=22270579
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5826371A Expired GB1382066A (en) | 1970-12-16 | 1971-12-15 | Electroless silvering composition and method |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5230456B1 (en) |
BE (1) | BE776818A (en) |
CA (1) | CA945306A (en) |
DE (1) | DE2162338C3 (en) |
FR (1) | FR2118137B1 (en) |
GB (1) | GB1382066A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4192686A (en) * | 1977-10-11 | 1980-03-11 | London Laboratories Limited Co. | Compositions and method for inhibiting formation of explosive compounds and conditions in silvering concentrates for electroless deposition of silver |
-
1971
- 1971-12-15 CA CA130,241A patent/CA945306A/en not_active Expired
- 1971-12-15 GB GB5826371A patent/GB1382066A/en not_active Expired
- 1971-12-15 DE DE19712162338 patent/DE2162338C3/en not_active Expired
- 1971-12-16 JP JP10151971A patent/JPS5230456B1/ja active Pending
- 1971-12-16 BE BE776818A patent/BE776818A/en not_active IP Right Cessation
- 1971-12-16 FR FR7145321A patent/FR2118137B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2162338B2 (en) | 1976-08-19 |
FR2118137B1 (en) | 1974-06-21 |
CA945306A (en) | 1974-04-16 |
DE2162338A1 (en) | 1972-07-13 |
FR2118137A1 (en) | 1972-07-28 |
DE2162338C3 (en) | 1978-03-09 |
BE776818A (en) | 1972-06-16 |
JPS5230456B1 (en) | 1977-08-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PS | Patent sealed | ||
PE20 | Patent expired after termination of 20 years |