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JPS6438292A - Damping liquid composition for planographic printing plate - Google Patents

Damping liquid composition for planographic printing plate

Info

Publication number
JPS6438292A
JPS6438292A JP19493087A JP19493087A JPS6438292A JP S6438292 A JPS6438292 A JP S6438292A JP 19493087 A JP19493087 A JP 19493087A JP 19493087 A JP19493087 A JP 19493087A JP S6438292 A JPS6438292 A JP S6438292A
Authority
JP
Japan
Prior art keywords
printing plate
unit
polymer
liquid composition
particles
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
Application number
JP19493087A
Other languages
Japanese (ja)
Inventor
Toshiro Kondo
Yasuo Tsubakii
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.)
Mitsubishi Paper Mills Ltd
Original Assignee
Mitsubishi Paper Mills 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 Mitsubishi Paper Mills Ltd filed Critical Mitsubishi Paper Mills Ltd
Priority to JP19493087A priority Critical patent/JPS6438292A/en
Priority to EP19880112235 priority patent/EP0304662B1/en
Priority to DE8888112235T priority patent/DE3865400D1/en
Publication of JPS6438292A publication Critical patent/JPS6438292A/en
Pending legal-status Critical Current

Links

Landscapes

  • Printing Plates And Materials Therefor (AREA)

Abstract

PURPOSE:To prevent background staining even with respect to the change in the constitution or preserving and manufacturing condition of a printing plate in an extremely effective manner with good reproducibility and to perform good printing imparting high ink density, by incorporating a specific polymer in a damping liquid composition for a planographic printing plate containing fine inorg. particles. CONSTITUTION:In a damping liquid composition for a planographic printing plate containing fine inorg. particles having an average particle size of 0.1mum or less, a polymer represented by general formula (I) (wherein either one of A or B is an X-unit and the other is a Y-unit or a Z-unit. a, b, c, d and e are the mol. numbers of respective constitutional units but d and e may be zero. The average MW of said polymer is 600 or more and the ratio of the Z-unit occupying in the polymer is 50wt.% or more) is contained. By this method, even in ink for offset rotary press and a plate material easy to generate background staining, the background staining can be prevented in an extremely effective manner and the amount of the fine inorg. particles can be reduced and, therefore, printed matter having high ink density and good quality can be obtained and a result good in reproducibility is obtained.
JP19493087A 1987-08-03 1987-08-03 Damping liquid composition for planographic printing plate Pending JPS6438292A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP19493087A JPS6438292A (en) 1987-08-03 1987-08-03 Damping liquid composition for planographic printing plate
EP19880112235 EP0304662B1 (en) 1987-08-03 1988-07-28 Damping solution for lithographic printing plate and method using it
DE8888112235T DE3865400D1 (en) 1987-08-03 1988-07-28 DAMPING WATER SOLUTION FOR FLAT PRINTING PLATES AND APPLICATION.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19493087A JPS6438292A (en) 1987-08-03 1987-08-03 Damping liquid composition for planographic printing plate

Publications (1)

Publication Number Publication Date
JPS6438292A true JPS6438292A (en) 1989-02-08

Family

ID=16332706

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19493087A Pending JPS6438292A (en) 1987-08-03 1987-08-03 Damping liquid composition for planographic printing plate

Country Status (1)

Country Link
JP (1) JPS6438292A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6017993A (en) * 1996-08-14 2000-01-25 Showa Denko Kabushiki Kaisha Thermoplastic resin composition containing titanium dioxide pigment, and process for preparing same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6017993A (en) * 1996-08-14 2000-01-25 Showa Denko Kabushiki Kaisha Thermoplastic resin composition containing titanium dioxide pigment, and process for preparing same
US6107390A (en) * 1996-08-14 2000-08-22 Showa Denko K.K. Thermoplastic resin composition containing titanium dioxide pigment, and process for preparing same

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