LITHOGRAPHIC PRINTING ORIGINAL PLATE METHOD FOR PRODUCING LITHOGRAPHIC PRINTING PLATE USING SAME AND METHOD FOR PRODUCING PRINTED MATTER

• Main Authors: KASE YUKI, IIHARA AKIHIRO, MURASE SEIICHIRO
• Format: Patent
• Language: English; Korean
• Published: 20.11.2017
• Subjects: APPARATUS SPECIALLY ADAPTED THEREFOR; CINEMATOGRAPHY; ELECTROGRAPHY; HOLOGRAPHY; LINING MACHINES; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING,INKING, DAMPING, OR THE LIKE; MATERIALS THEREFOR; ORIGINALS THEREFOR; PERFORMING OPERATIONS; PHOTOGRAPHY; PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES; PHYSICS; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM; PRINTING; PRINTING PLATES OR FOILS; STAMPS; TRANSPORTING; TYPEWRITERS

기판 상에 적어도 감열층 및 실리콘 고무층을 이 순서로 갖는 평판 인쇄판 원판으로서, 상기 감열층 중에 카보네이트 구조를 갖는 폴리우레탄을 함유하는 평판 인쇄판 원판. 그것을 사용한 평판 인쇄판의 제조 방법. 인쇄물의 제조 방법. 망점 재현성, 내쇄성이 우수하고, 스커밍을 방지할 수 있는 평판 인쇄판 원판, 그것을 사용한 평판 인쇄판의 제조 방법 및 인쇄물의 제조 방법을 제공하는 것. The present invention provides a planographic printing plate original including, in the order mentioned below: a substrate; and at least a heat sensitive layer and a silicone rubber layer provided on the substrate, wherein the heat sensitive layer contains a polyurethane having a carbonate structure. The present invention also provides a method of producing a planographic printing plate using the same, and a method of producing a printed matter. An object of the present invention is to provide: a planographic printing plate original which has an excellent halftone dot reproducibility and printing durability, and in which the occurrence of scumming can be prevented; a method of producing a planographic printing plate using the same; and a method of producing a printed matter.