ES8400297A1 - Lithographic printing plate prepn. - Google Patents
Lithographic printing plate prepn.Info
- Publication number
- ES8400297A1 ES8400297A1 ES515939A ES515939A ES8400297A1 ES 8400297 A1 ES8400297 A1 ES 8400297A1 ES 515939 A ES515939 A ES 515939A ES 515939 A ES515939 A ES 515939A ES 8400297 A1 ES8400297 A1 ES 8400297A1
- Authority
- ES
- Spain
- Prior art keywords
- layer
- coating
- aluminium
- substrate
- ceramic
- 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
- 239000010410 layer Substances 0.000 abstract 11
- 239000000758 substrate Substances 0.000 abstract 8
- 239000004411 aluminium Substances 0.000 abstract 5
- 229910052782 aluminium Inorganic materials 0.000 abstract 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 5
- 239000000919 ceramic Substances 0.000 abstract 5
- 238000000576 coating method Methods 0.000 abstract 5
- 238000005524 ceramic coating Methods 0.000 abstract 4
- 239000011248 coating agent Substances 0.000 abstract 4
- 229910019142 PO4 Inorganic materials 0.000 abstract 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 abstract 3
- 239000010452 phosphate Substances 0.000 abstract 3
- 239000002002 slurry Substances 0.000 abstract 3
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 abstract 2
- 229940001007 aluminium phosphate Drugs 0.000 abstract 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 abstract 2
- 239000012954 diazonium Substances 0.000 abstract 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-O diazynium Chemical compound [NH+]#N IJGRMHOSHXDMSA-UHFFFAOYSA-O 0.000 abstract 2
- 238000010304 firing Methods 0.000 abstract 2
- 239000013528 metallic particle Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 239000011347 resin Substances 0.000 abstract 2
- 229920005989 resin Polymers 0.000 abstract 2
- 239000000126 substance Substances 0.000 abstract 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- 238000007743 anodising Methods 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 239000011247 coating layer Substances 0.000 abstract 1
- 238000005530 etching Methods 0.000 abstract 1
- 239000011521 glass Substances 0.000 abstract 1
- 239000010954 inorganic particle Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 229910044991 metal oxide Inorganic materials 0.000 abstract 1
- 150000004706 metal oxides Chemical class 0.000 abstract 1
- 239000011368 organic material Substances 0.000 abstract 1
- 239000011236 particulate material Substances 0.000 abstract 1
- 230000001737 promoting effect Effects 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
Landscapes
- Photosensitive Polymer And Photoresist Processing (AREA)
- Printing Plates And Materials Therefor (AREA)
Abstract
A coating process for aluminium or aluminised substrates comprises (a) applying a monobasic phosphate layer; (b) firing the layer at at least 230 deg.C to form a ceramic coating; and (c) coating the ceramic coating with an organic photosensitive lithographic layer. - Also claimed is prepn. of a photosensitive substrate by the above process but in which step (a) comprises applying a slurry of monobasic phosphate(s) and inorganic non-metallic particles (pref. alumina and opt. other reactive metal oxides). - The processes are used to prepare lithographic printing plates. The ceramic layer (comprising glass or polymorphic forms of aluminium phosphate) provides excellent adhesion for diazonium resins and photopolymeric compsns. The inorganic particles provide a surface texture and improved chemical stability. Thus, the coated substrate is durable, is resistant to the chemical action of printing plate developers and press solvents, does not require primers or other adhesion promoting agents, and does not require etching, anodising or other texturising. EPAB- EP--87469 B A process for preparing a photosensitive substrate comprising the steps of A. Providing a ceramic layer on an aluminium substrate or aluminised surface of a substrate which comprises applying a slurry of at least one monobasic phosphate and inorganic non-metallic particles on at least one surface of the aluminium or aluminised substrate and firing the slurry at a temperature of at least 230 deg.C to form a ceramic coating on said aluminium or aluminised surface; B. Coating on said ceramic layer an organic photosensitive lithographic layer. (14pp) USAB- US4420549 A Article comprises Al or aluminised substrate having on at least one surface a ceramic coating of a polymeric form of opt. mixts. of aluminium phosphate(s). The coating is free of particulate material. A photosensitive layer is coated on the ceramic layer. - Pref. the coating is between 0.5 and 5 micrometers thick and the aluminium is in the form of film or sheet. Pref. the photosensitive layer comprises organic polymerisable compsn. esp. an oligomeric diazonium resin coated on ceramic layer. - The coating layer gives excellent surface for adhesion of organic materials that are used in printing esp. planographic printing. (5pp)s
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES515939A ES8400297A1 (en) | 1982-09-24 | 1982-09-24 | Lithographic printing plate prepn. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES515939A ES8400297A1 (en) | 1982-09-24 | 1982-09-24 | Lithographic printing plate prepn. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES515939A0 ES515939A0 (en) | 1983-10-16 |
| ES8400297A1 true ES8400297A1 (en) | 1983-10-16 |
Family
ID=8484705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES515939A Expired ES8400297A1 (en) | 1982-09-24 | 1982-09-24 | Lithographic printing plate prepn. |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES8400297A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2036127A1 (en) * | 1991-05-16 | 1993-05-01 | Sers S A | Offset printing plate and process for the manufacture thereof. |
-
1982
- 1982-09-24 ES ES515939A patent/ES8400297A1/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2036127A1 (en) * | 1991-05-16 | 1993-05-01 | Sers S A | Offset printing plate and process for the manufacture thereof. |
Also Published As
| Publication number | Publication date |
|---|---|
| ES515939A0 (en) | 1983-10-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FD1A | Patent lapsed |
Effective date: 19970303 |