公开(公告)号：US20190099995A1

公开(公告)日：2019-04-04

申请号：US15559663

申请日：2016-03-15

Applicant: TORAY INDUSTRIES, INC.

Inventor： Akihiro IIHARA ,  Yasunori KUSE ,  Seiichiro MURASE

IPC: B41C1/10 ,  B41N1/00 ,  B41M1/08 ,  G03F7/11 ,  C08L83/04

CPC classification number: B41C1/1016 ,  B41C2210/02 ,  B41C2210/04 ,  B41C2210/16 ,  B41C2210/24 ,  B41M1/08 ,  B41N1/003 ,  C08G77/12 ,  C08G77/20 ,  C08L83/04 ,  G03F7/00 ,  G03F7/11 ,  C08L83/00 ,  C08K5/5465 ,  C08K5/3432 ,  C08K5/56 ,  C08K5/5425 ,  C08K5/5419 ,  C08K5/5415

Abstract: The present invention provides a silicone composition for use in a printing plate, the composition including at least: a SiH group-containing compound; a compound represented by the following general formula (I); a compound represented by the following general formula (II); and/or a compound represented by the following general formula (III); wherein Ds in the compound represented by the general formula (I), Gs in the compound represented by the general formula (II) and Js in the compound represented by the general formula (III) each represents an acetoxy group or a dialkyloximino group: A-Si-(D)3 (I) (wherein in the general formula (I), A represents a non-hydrolyzable functional group capable of undergoing a hydrosilylation reaction with a SiH group); E-Si-(G)3 (II) (wherein in the general formula (II), E represents a non-hydrolyzable functional group incapable of undergoing a hydrosilylation reaction with a SiH group); and Si-(J)4 (III). An object of the present invention is to provide a silicone composition for use in a printing plate, for obtaining a planographic printing plate precursor or a planographic printing plate which includes a silicone rubber layer having an excellent adhesion to an underlying layer despite being a fast-curing silicone rubber layer, and which has an excellent ink repellency and scratch resistance.

公开(公告)号：US20210047527A1

公开(公告)日：2021-02-18

申请号：US16982249

申请日：2019-04-17

Applicant: TORAY Industries, Inc.

Inventor： Akihiro IIHARA ,  Takejiro INOUE

IPC: C09D11/101 ,  C09D11/102 ,  C09D11/037 ,  C09D183/04 ,  B41N1/14 ,  B41C1/10

Abstract: The present invention relates to a printing plate including a first silicone layer and a second silicone layer which have different ink acceptabilities on a support. An object of the present invention is to provide a printing plate that dispenses with a development step and that has excellent image reproducibility, ink repellency, ink acceptability, and printing durability.

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.

公开(公告)号：US20170320312A1

公开(公告)日：2017-11-09

申请号：US15522118

申请日：2015-11-18

Applicant: TORAY INDUSTRIES, INC.

Inventor： Takejiro INOUE ,  Seiichiro MURASE ,  Yuichi TSUJI ,  Akihiro IIHARA

IPC: B41C1/10 ,  C09D11/101 ,  B41M1/06

CPC classification number: B41C1/1066 ,  B41C1/1033 ,  B41C1/1091 ,  B41C2201/02 ,  B41C2201/04 ,  B41C2201/12 ,  B41C2210/02 ,  B41C2210/16 ,  B41C2210/22 ,  B41C2210/262 ,  B41C2210/266 ,  B41M1/06 ,  B41M1/08 ,  B41N1/003 ,  C09D11/101 ,  G03F7/00 ,  G03F7/004 ,  G03F7/039 ,  G03F7/11

Abstract: An object of the invention is to provide a water-based lithographic printing method that is excellent in printing quality and environmental aspects. The invention concerns a method of producing a printed material, including the steps of: allowing a water-based ink to adhere to a surface of a heat sensitive layer of a lithographic printing plate having a surface on which an ink repelling layer and the heat sensitive layer exist; and transferring the adhering water-based ink directly or via a blanket to a printing substrate.

公开(公告)号：US20170232775A1

公开(公告)日：2017-08-17

申请号：US15519065

申请日：2015-11-10

Applicant: TORAY INDUSTRIES, INC.

Inventor： Yasunori KUSE ,  Akihiro IIHARA ,  Seiichiro MURASE

IPC: B41N1/14 ,  G03F7/11

CPC classification number: B41N1/14 ,  B41C1/1016 ,  B41C2201/14 ,  B41C2210/02 ,  B41C2210/16 ,  B41C2210/262 ,  B41M1/08 ,  B41M7/0081 ,  B41N1/003 ,  C09D11/101 ,  G03F7/11

Abstract: An object of the present invention is to provide a waterless lithographic printing plate precursor that sufficiently repels ink, which tends to adhere to non-imaging areas, and maintains its repelling effects, and a printing method using a waterless lithographic printing plate obtained from the waterless lithographic printing plate precursor. The following are provided: a lithographic printing plate precursor having at least a heat sensitive layer and an ink repellent layer, wherein the ink repellent layer contains an ink repelling, the ink repellent liquid having a boiling point of not less than 150° C. at 1 atmospheric pressure; and a method of producing a printed material, comprising the step of transferring an ink containing a photosensitive component in an amount from 10% by mass to 50% by mass to a printing substrate using a lithographic printing plate and then irradiating the printing substrate with ultraviolet light, wherein the lithographic printing plate precursor has at least an ink repellent layer on a substrate, an ink repellent liquid contained in the ink repellent layer has a surface tension of 30 mN/m or less.