JPS5729495A - Protective film forming liquid for original plate - Google Patents
Protective film forming liquid for original plateInfo
- Publication number
- JPS5729495A JPS5729495A JP10573080A JP10573080A JPS5729495A JP S5729495 A JPS5729495 A JP S5729495A JP 10573080 A JP10573080 A JP 10573080A JP 10573080 A JP10573080 A JP 10573080A JP S5729495 A JPS5729495 A JP S5729495A
- Authority
- JP
- Japan
- Prior art keywords
- original plate
- purlin
- dextrin
- protective film
- film forming
- 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.)
- Granted
Links
Landscapes
- Printing Plates And Materials Therefor (AREA)
Abstract
PURPOSE: To prevent pin holes from occurring and to improve coating nature by a method wherein the mixed liquid of membraneous purlin and watersoluble dextrin are used as protective film forming liquid for an original plate.
CONSTITUTION: Purlin is made up of trimer of glucose, that is, malttriose as units and is a linear macromolecular copolymer repeatedly bonded by α-1, 6 bonding different from said trimer. On the other hand, dextrin is made up of starch partially decomposed by acid or enzeme and saccharides different in the polymerization degree according to the degree of decomposition. Purlin and dextrin are mixed at the rate of 20:80W80:20 and coated in the form of acqueous solution mixed with antiseptics and chelate agent. The original plate has a film excellent in coating nature, free from pin holes and a printing finish free from dirtiness in the nonimage area.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55105730A JPS609918B2 (en) | 1980-07-30 | 1980-07-30 | Lithographic protective film forming liquid for printing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55105730A JPS609918B2 (en) | 1980-07-30 | 1980-07-30 | Lithographic protective film forming liquid for printing |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5729495A true JPS5729495A (en) | 1982-02-17 |
JPS609918B2 JPS609918B2 (en) | 1985-03-13 |
Family
ID=14415403
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55105730A Expired JPS609918B2 (en) | 1980-07-30 | 1980-07-30 | Lithographic protective film forming liquid for printing |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS609918B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0330217U (en) * | 1989-07-27 | 1991-03-25 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5131503A (en) * | 1974-09-09 | 1976-03-17 | Fuji Photo Film Co Ltd | HEIBANINSATSUBANYOHANMENHOGOZAI |
JPS5256603A (en) * | 1975-10-31 | 1977-05-10 | Sumitomo Chemical Co | Liquid of forming protection film for lithographic press plate |
JPS52134502A (en) * | 1976-05-03 | 1977-11-10 | Hoechst Co American | Finishing emulsion for lithographic printing plate |
-
1980
- 1980-07-30 JP JP55105730A patent/JPS609918B2/en not_active Expired
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5131503A (en) * | 1974-09-09 | 1976-03-17 | Fuji Photo Film Co Ltd | HEIBANINSATSUBANYOHANMENHOGOZAI |
JPS5256603A (en) * | 1975-10-31 | 1977-05-10 | Sumitomo Chemical Co | Liquid of forming protection film for lithographic press plate |
JPS52134502A (en) * | 1976-05-03 | 1977-11-10 | Hoechst Co American | Finishing emulsion for lithographic printing plate |
Also Published As
Publication number | Publication date |
---|---|
JPS609918B2 (en) | 1985-03-13 |
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