ATE64716T1 - PROCEDURE TO PREVENT UNDESIRABLE GAS GENERATION BETWEEN ELECTRODES OF AN ELECTROCOAGULATION PRESSURE SYSTEM. - Google Patents
PROCEDURE TO PREVENT UNDESIRABLE GAS GENERATION BETWEEN ELECTRODES OF AN ELECTROCOAGULATION PRESSURE SYSTEM.Info
- Publication number
- ATE64716T1 ATE64716T1 AT87110136T AT87110136T ATE64716T1 AT E64716 T1 ATE64716 T1 AT E64716T1 AT 87110136 T AT87110136 T AT 87110136T AT 87110136 T AT87110136 T AT 87110136T AT E64716 T1 ATE64716 T1 AT E64716T1
- Authority
- AT
- Austria
- Prior art keywords
- electrodes
- electrocoagulation
- gas generation
- positive electrode
- undesirable gas
- Prior art date
Links
- 238000009297 electrocoagulation Methods 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 3
- 239000000084 colloidal system Substances 0.000 abstract 3
- 239000007789 gas Substances 0.000 abstract 3
- 238000006243 chemical reaction Methods 0.000 abstract 2
- 239000000126 substance Substances 0.000 abstract 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- 238000009825 accumulation Methods 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 238000005868 electrolysis reaction Methods 0.000 abstract 1
- 239000008151 electrolyte solution Substances 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 229910044991 metal oxide Inorganic materials 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C1/00—Forme preparation
- B41C1/10—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme
- B41C1/105—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme by electrocoagulation, by electro-adhesion or by electro-releasing of material, e.g. a liquid from a gel
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Duplication Or Marking (AREA)
- Printing Methods (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Electrodes For Compound Or Non-Metal Manufacture (AREA)
Abstract
The invention is concerned with a method of preventing undesirable gas generation between a pair of opposite, electrically energized negative and positive electrodes spaced from one another by a gap filled with an aqueous electrolyte solution. According to the invention, the positive electrode is coated with an olefinic substance to form micro-droplets thereof on the surface of the positive electrode prior to electrically energizing the electrodes such that upon electrical energization gas generated as a result of electrolysis is consumed by reaction with the olefinic substance, the reaction being carried out in the presence of a metallic oxide catalyst. In this manner, undesirable gas generation between the electrodes is prevented. The method of the invention is particularly useful in electrocoagulation printing systems where an image is reproduced by electrocoagulation of an electrolytically coagulable colloid on a positive electrode to form dots of coagulated colloid representative of a desired image, the invention enabling the electrical resistance which is created at the interface of the negative electrode by the accumulation of hydrogen and causes an erratic formation of the dots of coagulated colloid to be suppressed.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000514197A CA1249238A (en) | 1986-07-18 | 1986-07-18 | Method of preventing undesirable gas generation between electrodes of an electrocoagulation printing system |
| EP87110136A EP0253358B1 (en) | 1986-07-18 | 1987-07-14 | Method of preventing undesirable gas generation between electrodes of an electroco-agulation printing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE64716T1 true ATE64716T1 (en) | 1991-07-15 |
Family
ID=4133599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT87110136T ATE64716T1 (en) | 1986-07-18 | 1987-07-14 | PROCEDURE TO PREVENT UNDESIRABLE GAS GENERATION BETWEEN ELECTRODES OF AN ELECTROCOAGULATION PRESSURE SYSTEM. |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0253358B1 (en) |
| JP (1) | JPH0710618B2 (en) |
| AT (1) | ATE64716T1 (en) |
| CA (1) | CA1249238A (en) |
| DE (1) | DE3771007D1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3067771B1 (en) * | 1999-07-12 | 2000-07-24 | ヤマハ株式会社 | Printing equipment |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3752746A (en) * | 1972-02-25 | 1973-08-14 | A Castegnier | Electrolytic printing method and system |
| US3892645A (en) * | 1973-06-06 | 1975-07-01 | Adrien Castegnier | Printing method and system by gelatin coagulation |
| CA1250249A (en) * | 1984-05-11 | 1989-02-21 | Adrien Castegnier | Printing method by electrolytic colloid coagulation and colloid composition therefor |
| CA1205778A (en) * | 1984-05-16 | 1986-06-10 | Adrien Castegnier | Image reproduction by in plane electro-coagulation of a colloid |
| US4555320A (en) * | 1984-05-25 | 1985-11-26 | Elcorsy Inc. | Image reproduction by in plane electro-coagulation of a colloid |
| CA1279603C (en) * | 1986-02-20 | 1991-01-29 | Adrien Castegnier | Monochromic and polychromic printing of an image reproduced by electro-coagulation of a colloid |
-
1986
- 1986-07-18 CA CA000514197A patent/CA1249238A/en not_active Expired
-
1987
- 1987-07-14 AT AT87110136T patent/ATE64716T1/en not_active IP Right Cessation
- 1987-07-14 EP EP87110136A patent/EP0253358B1/en not_active Expired - Lifetime
- 1987-07-14 DE DE8787110136T patent/DE3771007D1/en not_active Expired - Lifetime
- 1987-07-17 JP JP62177363A patent/JPH0710618B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA1249238A (en) | 1989-01-24 |
| EP0253358A2 (en) | 1988-01-20 |
| JPH0710618B2 (en) | 1995-02-08 |
| EP0253358B1 (en) | 1991-06-26 |
| EP0253358A3 (en) | 1988-12-14 |
| JPS6331784A (en) | 1988-02-10 |
| DE3771007D1 (en) | 1991-08-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |