JPS5729494A - Original plate for planographic printing - Google Patents
Original plate for planographic printingInfo
- Publication number
- JPS5729494A JPS5729494A JP10411080A JP10411080A JPS5729494A JP S5729494 A JPS5729494 A JP S5729494A JP 10411080 A JP10411080 A JP 10411080A JP 10411080 A JP10411080 A JP 10411080A JP S5729494 A JPS5729494 A JP S5729494A
- Authority
- JP
- Japan
- Prior art keywords
- intermediate layer
- ethylene
- copolymer
- vinyl acetate
- layer
- 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.)
- Pending
Links
Landscapes
- Photoreceptors In Electrophotography (AREA)
- Printing Plates And Materials Therefor (AREA)
- Photosensitive Polymer And Photoresist Processing (AREA)
Abstract
PURPOSE: To improve hydrophilic propety and water-proof of an intermediate layer by a method wherein special vinyl acetate ethylene copolymer and inorganic pigment are mixed as a main component on the intermediate layer of the original plate of a planographic printing.
CONSTITUTION: On a water-proof support like wet strength high grade paper are provided a photoconductive layer, a dielectric resin layer, a photosensitive cinnamic acid resin, in which specific intermediate layer, photoconductive zinc oxide are dispersed in bonding agent resin. In this case, the intermediate layer is made up, as the main component, of a bonding agent obtained by saponifying completely or partially the copolymer of inorganic pigment like clay, potassium conbonate etc., ethylene and vinyl acetate. The complete saponified material is obtained as a copolymer of ethylene and vinyl alcohol and the partial saponified material is obtained as a triple copolyer of ethylene, vinyl alcohol and vinyl acetate. Accordingly the intermediate layer is sufficiently waterproof and hydrophilic and rich in reliability.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10411080A JPS5729494A (en) | 1980-07-29 | 1980-07-29 | Original plate for planographic printing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10411080A JPS5729494A (en) | 1980-07-29 | 1980-07-29 | Original plate for planographic printing |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5729494A true JPS5729494A (en) | 1982-02-17 |
Family
ID=14371980
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10411080A Pending JPS5729494A (en) | 1980-07-29 | 1980-07-29 | Original plate for planographic printing |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5729494A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59159394A (en) * | 1983-03-03 | 1984-09-08 | Ricoh Co Ltd | Thermal recording material |
JPS60176045A (en) * | 1984-02-22 | 1985-09-10 | Tomoegawa Paper Co Ltd | Electrophotographic sensitive body |
JPH02212854A (en) * | 1989-02-13 | 1990-08-24 | Konica Corp | Photosensitive body |
-
1980
- 1980-07-29 JP JP10411080A patent/JPS5729494A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59159394A (en) * | 1983-03-03 | 1984-09-08 | Ricoh Co Ltd | Thermal recording material |
JPS60176045A (en) * | 1984-02-22 | 1985-09-10 | Tomoegawa Paper Co Ltd | Electrophotographic sensitive body |
JPH0365547B2 (en) * | 1984-02-22 | 1991-10-14 | ||
JPH02212854A (en) * | 1989-02-13 | 1990-08-24 | Konica Corp | Photosensitive body |
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