Positive-working lithographic printing plate precursor for infrared laser and process for making lithographic printing plate
作者： Yoshinori Taguchi , Norio Aoshima , Noriaki Watanabe
DOI:
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摘要: A positive-working lithographic printing plate precursor for infrared laser is provided that includes, layered sequentially above a support, lower layer and an upper layer, the and/or including absorbing agent, either comprising alkali-soluble group-containing graft copolymer or sulfonamide group-, active imide amide copolymer, being polyurethane resin having as chain ethylenically unsaturated monomer-derived constitutional unit. There also process making plate, in sequence exposure step of imagewise exposing by means development developing using aqueous alkali solution with pH 8.5 to 10.8.
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