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The photosensitive constituent, the creation mannered null alkaline fusibility resin of photosensitive planographic printing edition
The photosensitive constituent, the creation mannered null alkaline fusibility resin of photosensitive planographic printing edition
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机译:感光组分,感光平版印刷版的创作习惯的零碱熔性树脂
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摘要
PROBLEM TO BE SOLVED: To provide a photosensitive composition which can be subjected to direct writing with IR emitting solid and semiconductor lasers, etc., and has superior storage stability and burning stain resistance and to provide a photosensitive planographic printing plate and a method for producing a planographic printing plate.;SOLUTION: The photosensitive composition contains an alkali-soluble resin, an IR absorbent and an antioxidant. This antioxidant is preferably a phosphorous ester compound and/or a mercaptoimidazole compound. Preferably a cyclic acid anhydride is further contained. The photosensitive planographic printing plate has a photosensitive layer comprising the photosensitive composition formed on a support. In the method for producing a planographic printing plate, the photosensitive layer of the photosensitive planographic printing plate is imagewise exposed with active light of ≥700 nm wavelength and the exposed parts are dissolved in an alkaline developing solution and removed.;COPYRIGHT: (C)2003,JPO
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