EP 2042308 B1 20110223 - Planographic printing plate precursor
Title (en)
Planographic printing plate precursor
Title (de)
Flachdruckplattenvorläufer
Title (fr)
Précurseur de plaque d'impression planographique
Publication
Application
Priority
JP 2007251636 A 20070927
Abstract (en)
[origin: EP2042308A2] The invention provides a planographic printing plate precursor having at least: a support; and two or more positive recording layers, each of the layers having at least a resin and an infrared absorber and respectively having a solubility with respect to an aqueous alkali solution that is increased by exposure to infrared laser light, wherein: of the two or more positive recording layers, a positive recording layer that is nearest to the support comprises two resins; the two resins each has at least a specific polymer comprising a specific structural unit; one of the two resins constitutes a dispersion phase that is dispersed in a matrix phase; and the matrix phase serves as a dispersing medium and contains at least the other of the two resins. The invention further provides a method of forming the planographic printing plate precursor.
IPC 8 full level
B41C 1/10 (2006.01)
CPC (source: EP)
B41C 1/1008 (2013.01); B41C 1/1016 (2013.01); B41C 2210/02 (2013.01); B41C 2210/06 (2013.01); B41C 2210/14 (2013.01); B41C 2210/22 (2013.01); B41C 2210/24 (2013.01); B41C 2210/262 (2013.01)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 2042308 A2 20090401; EP 2042308 A3 20100505; EP 2042308 B1 20110223; AT E499210 T1 20110315; DE 602008005076 D1 20110407; JP 2009085985 A 20090423; JP 4890403 B2 20120307
DOCDB simple family (application)
EP 08017054 A 20080926; AT 08017054 T 20080926; DE 602008005076 T 20080926; JP 2007251636 A 20070927