公开(公告)号：US20190143730A1

公开(公告)日：2019-05-16

申请号：US16097495

申请日：2017-05-17

Applicant: TORAY INDUSTRIES, INC.

Inventor： Yasunori KUSE ,  Yuki KASE ,  Takejiro INOUE

IPC: B41N1/14 ,  B41C1/10 ,  G03F7/11 ,  G03F7/20 ,  G03F7/26 ,  G03F7/075

Abstract: Provided is a precursor for lithographic printing having excellent printing durability and ink repellency as well as high reproducibility of the high definition images. The precursor for lithographic printing includes, at least a heat sensitive layer and an ink repellent layer wherein the ink repellent layer has an elastic modulus of the plate surface under the surface load of 14000 N/m2 of at least 25 MPa and up to 35 MPa.

公开(公告)号：US20240308202A1

公开(公告)日：2024-09-19

申请号：US18573821

申请日：2022-08-01

Applicant: TORAY INDUSTRIES, INC.

Inventor： Yasunori KUSE ,  Yuki KASE ,  Takejiro INOUE

IPC: B41C1/10 ,  B41M5/025 ,  B41N1/00 ,  G03F7/105

CPC classification number: B41C1/1016 ,  B41M5/025 ,  B41N1/003 ,  G03F7/105 ,  B41C2210/02 ,  B41C2210/16 ,  B41C2210/22

Abstract: Disclosed is a waterless planographic printing plate precursor including at least a substrate, a heat sensitive layer and an ink repellent layer in this order, wherein the substrate has a white color layer or a white color surface, and wherein the heat sensitive layer includes at least (a) an infrared-absorbing dye having a maximum absorption wavelength of 700 to 1,000 nm, (b) a dye that changes color by proton acceptance, and (c) a proton-donating compound. The present invention provides a waterless planographic printing plate precursor capable of obtaining high contrast between the image area and the non-image area by exposure without the need for a special layer.

公开(公告)号：US20180043678A1

公开(公告)日：2018-02-15

申请号：US15554458

申请日：2016-03-01

Applicant: TORAY INDUSTRIES, INC.

Inventor： Yuki KASE ,  Akihiro IIHARA ,  Seiichiro MURASE

IPC: B41F1/18 ,  B41N1/12 ,  B41C1/10 ,  G03F7/00

CPC classification number: B41F1/18 ,  B41C1/1008 ,  B41C1/1066 ,  B41C2210/16 ,  B41M1/08 ,  B41N1/003 ,  B41N1/12 ,  G03F7/0002

Abstract: 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.