US1042827A - Process for obtaining metal printing-plates with silver-salt gelatin emulsion. - Google Patents
Process for obtaining metal printing-plates with silver-salt gelatin emulsion. Download PDFInfo
- Publication number
- US1042827A US1042827A US59792310A US1910597923A US1042827A US 1042827 A US1042827 A US 1042827A US 59792310 A US59792310 A US 59792310A US 1910597923 A US1910597923 A US 1910597923A US 1042827 A US1042827 A US 1042827A
- Authority
- US
- United States
- Prior art keywords
- plates
- silver
- emulsion
- metal printing
- plate
- 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
- 239000000839 emulsion Substances 0.000 title description 13
- 108010010803 Gelatin Proteins 0.000 title description 8
- 229920000159 gelatin Polymers 0.000 title description 8
- 239000008273 gelatin Substances 0.000 title description 8
- 235000019322 gelatine Nutrition 0.000 title description 8
- 235000011852 gelatine desserts Nutrition 0.000 title description 8
- 238000000034 method Methods 0.000 title description 8
- 229910052751 metal Inorganic materials 0.000 title description 7
- 239000002184 metal Substances 0.000 title description 7
- GGCZERPQGJTIQP-UHFFFAOYSA-N sodium;9,10-dioxoanthracene-2-sulfonic acid Chemical compound [Na+].C1=CC=C2C(=O)C3=CC(S(=O)(=O)O)=CC=C3C(=O)C2=C1 GGCZERPQGJTIQP-UHFFFAOYSA-N 0.000 title description 3
- 239000002253 acid Substances 0.000 description 7
- 239000010410 layer Substances 0.000 description 7
- 239000000976 ink Substances 0.000 description 6
- 239000011241 protective layer Substances 0.000 description 6
- 239000002966 varnish Substances 0.000 description 6
- 108010025899 gelatin film Proteins 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 150000007513 acids Chemical class 0.000 description 4
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 229940037003 alum Drugs 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 description 1
- KOWWOODYPWDWOJ-LVBPXUMQSA-N elatine Chemical compound C([C@]12CN(C3[C@@]45OCO[C@]44[C@H]6[C@@H](OC)[C@@H]([C@H](C4)OC)C[C@H]6[C@@]3([C@@H]1[C@@H]5OC)[C@@H](OC)CC2)CC)OC(=O)C1=CC=CC=C1N1C(=O)CC(C)C1=O KOWWOODYPWDWOJ-LVBPXUMQSA-N 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- VRWKTAYJTKRVCU-UHFFFAOYSA-N iron(6+);hexacyanide Chemical compound [Fe+6].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] VRWKTAYJTKRVCU-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- WQGWDDDVZFFDIG-UHFFFAOYSA-N pyrogallol Chemical compound OC1=CC=CC(O)=C1O WQGWDDDVZFFDIG-UHFFFAOYSA-N 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229940100890 silver compound Drugs 0.000 description 1
- 150000003379 silver compounds Chemical class 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/26—Processing photosensitive materials; Apparatus therefor
- G03F7/40—Treatment after imagewise removal, e.g. baking
Definitions
- the present invention relates to animprovement in the process of producing printing plates by the medium of silversalt-gelatiu-emulsion.- In the application of such an emulsion directly to metal-plates,.it has been found absolutely necessary to'first produce a protective intermediate layer'on the plate to avoid a decom osition of the silver compounds of the emu sion.
- the protective layer is produced, the "emulsion is applied and the sensitive plates after exposure are either treated with a developer hardening the lights of the negative, (for. instance pyrogallic acid) or this hardening is done in a separate operation by treating the developed plate with a solution of bichromates. Now the unhardened portions of the gelatin film are dissolved in warm water and the negative thus obtained is turned. into a positive, by applying fat inks or varnishes which sticlr only to the clear parts of the plates, whlle the rest of the gelatin-film can beremoved by the action of weak solutions of acids and rubbing with a pad of cotton wool orielt.
- a developer hardening the lights of the negative for. instance pyrogallic acid
- this hardening is done in a separate operation by treating the developed plate with a solution of bichromates.
- Figure 1 represents the printing plate withthe protective layer thereon.
- Flg. 2 represents the same after applying the film of gelatin emulsion.
- Fig. .3 represents the exposed plate after development and after dissolving the .nnhardened parts, in hot water.
- Fig. 4 represents the same after the protective layer is removed,
- Fig. 5 representsthe same after the application of fat inks or varnishes and after the cleaning of the surface of the gelatin film, and'Fig. 6 represents the plate ready for printing or etching after removing the gelatin film.
- A represents vthe printing late
- B the protective layer
- C the filni of ge atin emulsion
- D the fat inks or armshes.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Photosensitive Polymer And Photoresist Processing (AREA)
Description
P. SCHUMAOHER.
PROCESS FOR OBTAINING METAL PRINTING PLATES WITH SILVER SALT GELATIN EMULSION. APPLICATION FILED DBO.17, 1910.
1,042,827, Q Patented 001;. 29, 1912.
W *W/ i WW VA HFIFII JQFHZFIFIV Fya EL en/Z? 21- NITED STATES PATENT oFrioE.
PETE-B SGEUMACHER, 0F FRANKFORT-ON-EHE- -MAIN, GERMANY, ASSIGNOR TO CORPORATION OF KLIMSCH & 00., 0F FRANKFORT-QN-THE-MAIN, GERMANY.
PROCESS FOR bBTAINING'METAL PRINTING-PLATES WITH SILVEB-SALT'GELATIN Y EMULSION.
Patented 0013.29, 1912-.
Application filed December 17, 1910. Serial No. 597,923.
To all whom it may concern:
Be'it known that-I, PETER SoHUMAoHER,
doctor of philosophy, chemist, a subject of the German Emperor, and resident of Frankfort on the Main, Germany, with post-oflice address Griineburgweg No. 129, have invented new and useful Improvements in Processes for Obtainin Metal Printing Plates, with Silver-Salt elatin Emulsion, of which the following isa specification.
The present invention relates to animprovement in the process of producing printing plates by the medium of silversalt-gelatiu-emulsion.- In the application of such an emulsion directly to metal-plates,.it has been found absolutely necessary to'first produce a protective intermediate layer'on the plate to avoid a decom osition of the silver compounds of the emu sion. For this purpose a stratum of varnish or asphaltum has been proposed but I have found that a layer produced by chemical action by bathing the plate in a solution of suitable acids or salts is preferable, thus obtaining a greater speed, cheapness and simplicity of the process; Especially by treating the plates with a weak solution of chromic acid of say (0.22%) a perfectly dense layer of oxid is produced, but also other acids or salts (oxalic acid, ferrocyanid of potassium a mixture of alum and bichromate of ammonia) producing a close stratum on zinc or copper plates may be used.
After the protective layer is produced, the" emulsion is applied and the sensitive plates after exposure are either treated with a developer hardening the lights of the negative, (for. instance pyrogallic acid) or this hardening is done in a separate operation by treating the developed plate with a solution of bichromates. Now the unhardened portions of the gelatin film are dissolved in warm water and the negative thus obtained is turned. into a positive, by applying fat inks or varnishes which sticlr only to the clear parts of the plates, whlle the rest of the gelatin-film can beremoved by the action of weak solutions of acids and rubbing with a pad of cotton wool orielt. This inversion ofl'ers the difliculty that fat inks or varnishes do not adhere firmly to the intermediate layerand I have found it absok y l 7 m ve the-protective layer, which can be done by weak solutions of acids or acid salts, (for instance nitric or hydrochloric acid, perchlorid of iron, dissolved in water or spirit),"'the= concentration and time of action of'which must be regulated in such manner that the layer is removed without injuring the hardened gelatin. After this operation, inks or varnishes will enter into a firm connection with the metal and the plate can be etched or used for any kind of printing.
In orderto explain exactly the details of the invention, in the annexed .drawing the following different stages of the process are represented.
Figure 1 represents the printing plate withthe protective layer thereon. Flg. 2 represents the same after applying the film of gelatin emulsion. Fig. .3 represents the exposed plate after development and after dissolving the .nnhardened parts, in hot water. Fig. 4 represents the same after the protective layer is removed, Fig. 5 representsthe same after the application of fat inks or varnishes and after the cleaning of the surface of the gelatin film, and'Fig. 6 represents the plate ready for printing or etching after removing the gelatin film.
In the several figures, A represents vthe printing late, B the protective layer, C the filni of ge atin emulsion, and D the fat inks or armshes. i
What I claim is: v
'1. The process of making metal printin plates with gelatin emulsion which consists in treating e plate with a solution of substance givlng an acid reaction, thereby providing-the plate with a protective easily removable, layer, applying the emulsion to said layergexposing and developing the picture, removing the unhardened portlons with .warm water, applying fat inks or varnishes to the plate and removmg the rest of the gelatin v 2. The; rocess of making metal printing plateswith gelatin emulsion which consists in treati the plate with a solution ofsubstance giving an acid reaction, thereby providing the plate with a. protective easily removable layer, appl the emulsion to said layer, exposing d developing the design, removing the u'nhardened portions with warm water, removing "from the printing f 1 7 g Y I portion the protective layer of the em posedl i'eseme of two Witnesses, this sixth day of and developed plate li y thekaotion ox aim ecember 1910, substances, a yi or at in s or varnis es H to the plate a e i moving the rest of the PETER SO 5 gelatin film. Witnesses:-
In testimony, that I claim the foregoing CARL WEmE, as my invention, I have-signed my name in EVA SATTLEB.
CHER
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US59792310A US1042827A (en) | 1910-12-17 | 1910-12-17 | Process for obtaining metal printing-plates with silver-salt gelatin emulsion. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US59792310A US1042827A (en) | 1910-12-17 | 1910-12-17 | Process for obtaining metal printing-plates with silver-salt gelatin emulsion. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US1042827A true US1042827A (en) | 1912-10-29 |
Family
ID=3111101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US59792310A Expired - Lifetime US1042827A (en) | 1910-12-17 | 1910-12-17 | Process for obtaining metal printing-plates with silver-salt gelatin emulsion. |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US1042827A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2445253A (en) * | 1946-02-06 | 1948-07-13 | Libbey Owens Ford Glass Co | Method of producing mirrors by chemical deposition |
| US2760432A (en) * | 1950-05-06 | 1956-08-28 | Harris Seybold Co | Lithographic plate and method of making it |
| US2907273A (en) * | 1953-11-12 | 1959-10-06 | Chrome Steel Plate Corp | Lithographic plates |
| US3053658A (en) * | 1955-06-09 | 1962-09-11 | Gestetner Ltd | Photolithography |
| US3169065A (en) * | 1960-10-11 | 1965-02-09 | Harris Intertype Corp | Method of making resist and deep etch lithographic printing plates with ferric ammonium compound sensitized plates |
-
1910
- 1910-12-17 US US59792310A patent/US1042827A/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2445253A (en) * | 1946-02-06 | 1948-07-13 | Libbey Owens Ford Glass Co | Method of producing mirrors by chemical deposition |
| US2760432A (en) * | 1950-05-06 | 1956-08-28 | Harris Seybold Co | Lithographic plate and method of making it |
| US2907273A (en) * | 1953-11-12 | 1959-10-06 | Chrome Steel Plate Corp | Lithographic plates |
| US3053658A (en) * | 1955-06-09 | 1962-09-11 | Gestetner Ltd | Photolithography |
| US3169065A (en) * | 1960-10-11 | 1965-02-09 | Harris Intertype Corp | Method of making resist and deep etch lithographic printing plates with ferric ammonium compound sensitized plates |
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