JPS5656864A - Preparation of lithographic printing form - Google Patents

Preparation of lithographic printing form

Info

Publication number
JPS5656864A
JPS5656864A JP13262379A JP13262379A JPS5656864A JP S5656864 A JPS5656864 A JP S5656864A JP 13262379 A JP13262379 A JP 13262379A JP 13262379 A JP13262379 A JP 13262379A JP S5656864 A JPS5656864 A JP S5656864A
Authority
JP
Japan
Prior art keywords
silicon
layer
base
silicon layer
utilizing
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
Application number
JP13262379A
Other languages
Japanese (ja)
Other versions
JPS6154221B2 (en
Inventor
Hitoshi Fujii
Minoru Takamizawa
Yoshio Inoue
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shin Etsu Chemical Co Ltd
Dai Nippon Printing Co Ltd
Original Assignee
Shin Etsu Chemical Co Ltd
Dai Nippon Printing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shin Etsu Chemical Co Ltd, Dai Nippon Printing Co Ltd filed Critical Shin Etsu Chemical Co Ltd
Priority to JP13262379A priority Critical patent/JPS5656864A/en
Publication of JPS5656864A publication Critical patent/JPS5656864A/en
Publication of JPS6154221B2 publication Critical patent/JPS6154221B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)

Abstract

PURPOSE: To obtain a lithographic printing form requiring no dampening water and providing a printed matter excellent in a resolving power thereof by a method wherein a silicon layer and a patternized protecting layer are formed sequentially on a surface of a base, thereafter, the nonprotected silicon layer is removed by an etching agent.
CONSTITUTION: A primer such as a silane series or the like is coated on a base 1 of a metallic plate or the like, subsequently, a silicon layer 2 (preferably a high polymeric organopolysiloxane or the like capable of forming an ink repellent silicon rubber elastic body after crosslinked setting) is provided thereon preferably in a thickness of 1W5μ. A patterning of a protecting layer 4 of diadidoquinone or the like is effected thereon by means of form making method utilizing a photoregisting, for example. Subsequently, silicon in a nonprotected layer part is removed by utilizing a silicon etching agent, thereafter, the protecting layer 4 is removed by utilizing solvent or the like and a printing area 3 consisting of an exposed surface of the base as well as a nonprinting area 2' consisting of the silicon layer are formed.
EFFECT: Emulsification of ink due to dampening water may be avoided and the base may not be spoiled.
COPYRIGHT: (C)1981,JPO&Japio
JP13262379A 1979-10-15 1979-10-15 Preparation of lithographic printing form Granted JPS5656864A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13262379A JPS5656864A (en) 1979-10-15 1979-10-15 Preparation of lithographic printing form

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13262379A JPS5656864A (en) 1979-10-15 1979-10-15 Preparation of lithographic printing form

Publications (2)

Publication Number Publication Date
JPS5656864A true JPS5656864A (en) 1981-05-19
JPS6154221B2 JPS6154221B2 (en) 1986-11-21

Family

ID=15085643

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13262379A Granted JPS5656864A (en) 1979-10-15 1979-10-15 Preparation of lithographic printing form

Country Status (1)

Country Link
JP (1) JPS5656864A (en)

Also Published As

Publication number Publication date
JPS6154221B2 (en) 1986-11-21

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