| 摘要 |
Provided is a process for making a relief printing plate in which a residue on the plate that is generated during engraving can be easily removed and a rinsing liquid for making a relief printing plate that is suitably used for the process for making a relief printing plate. A process for making a relief printing plate includes a step of preparing a relief printing plate precursor having a relief-forming layer, a step of engraving the relief printing plate precursor by exposure, and a step of removing an engraved residue generated by the engraving with a rinsing liquid in this order, wherein the rinsing liquid is an aqueous solution having a pH of 9 or higher, and wherein the engraved residue contains a polymer having a group represented by Formula (I) below.
€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ-M(R 1 )(R 2 ) n €ƒ€ƒ€ƒ€ƒ€ƒ(I)
wherein R 1 denotes OR 3 or a halogen atom; M denotes Si, Ti, or Al; when M is Si, n is 2; when M is Ti, n is 2; when M is Al, n is 1; each of n of R 2 independently represents a hydrocarbon group, OR 3 , or a halogen atom; and R 3 denotes a hydrogen atom or a hydrocarbon group. |
