JP2006150883A5 - - Google Patents

Claims (5)

A printing plate material having an image forming functional layer on a substrate having a hydrophilic surface is image-exposed and then mounted on a printing machine, and dampening water and ink are supplied to the surface of the printing plate material to remove non-image areas. In the printing method using the processless printing plate material for printing, the content of the phosphate compound in the fountain solution is 0.005 mol or more and less than 0.04 mol per liter of the fountain solution Printing method using less printing plate material. The printing method using the processless printing plate material according to claim 1, wherein the image forming functional layer contains heat-fusible particles or heat-fusible particles. The printing method using the processless printing plate material according to claim 1, further comprising a layer containing a photothermal conversion material on the side having the image forming functional layer. The printing method using the processless printing plate material according to any one of claims 1 to 3, wherein the substrate is an aluminum-containing substrate having a roughened surface. A printing plate material having an image forming functional layer on a substrate having a hydrophilic surface is image-exposed and then mounted on a printing machine, and dampening water and ink are supplied to the surface of the printing plate material to remove non-image areas. A dampening solution for processless printing plate material for printing, wherein the dampening solution contains a phosphoric acid compound in a content of 0.005 mol or more and less than 0.04 mol per liter of dampening solution. A dampening solution for processless printing plate materials.