Patent ID: 8273520
Filing Date: 2012-09-25
Classification: B41C,B41N

Abstract:
1. A relief printing plate precursor for laser engraving, comprising: a relief forming layer including a resin composition, the resin composition comprising: an acetylene compound; a binder polymer; a polymerizable compound; and a photothermal conversion agent which is capable of absorbing light in a wavelength range of 700 to 1300 nm, wherein the photothermal conversion agent comprises carbon black, wherein each of the acetylene compound, the binder polymer, the polymerizable compound and the photothermal conversion agent is a different component of the resin composition, and wherein the acetylene compound includes a carbon-carbon triple bond positioned at an end of a molecule of the acetylene compound or two carbon-carbon triple bonds positioned at an interior of a molecule of the acetylene compound.