| 摘要 |
A negative-working photopolymerization type photosensitive lithographic printing plate precursor for exposing with laser, includes: a hydrophilic support; at least one photopolymerizable photosensitive layer; and a protective layer, provided in this order, wherein the photopolymerizable photosensitive layer contains a sensitizing dye, a dye or pigment capable of absorbing light having a wavelength of a laser emission wavelength ±50 nm, which is different from the sensitizing dye; and a photopolymerization initiator.
|
