Lithographic printing original plate and image forming method employing it

Lithographic printing original plate and image forming method employing it

  • CN 101,223,480 A
  • Filed: 06/22/2006
  • Published: 07/16/2008
  • Est. Priority Date: 07/11/2005
  • Status: Active Application
First Claim
Patent Images

1. the original edition of lithographic printing plate of infrared ray responsive or thermal sensitivity, it contains:

  • Substrate,Be formed on the described substrate the 1st image recording layer andBe formed on the 2nd image recording layer on described the 1st layer, it is characterized in that,It is solubility or dispersed resin that described the 1st image recording layer contains in alkaline aqueous solution,Described the 2nd image recording layer contains and has substituent polyurethane, and described substituting group has acid hydrogen atom.

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