公开(公告)号：US20220235237A1

公开(公告)日：2022-07-28

申请号：US17611407

申请日：2020-05-19

Applicant: TORAY INDUSTRIES, INC.

Inventor： Noboru KOSHIMIZU ,  Yurika KAWAI ,  Takejiro INOUE

IPC: C09D11/101 ,  B41M1/06

Abstract: An object of the present invention is to provide an active energy ray-curable lithographic ink that exhibits good adhesion to a plastic film and does not cause a decrease in the adhesion capability even during hot-water treatment. The present invention encompasses an active energy ray-curable lithographic ink containing (a) a polyurethane and (b) a polymerizable monomer.

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：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：US20250153496A1

公开(公告)日：2025-05-15

申请号：US18839580

申请日：2023-03-07

Applicant: TORAY INDUSTRIES, INC.

Inventor： Yuichi TSUJI ,  Takejiro INOUE

IPC: B41M1/04 ,  C09D11/101 ,  C09D11/107

Abstract: The present invention addresses the problem of providing a production method in which printed matter of stable quality is obtained even by continuous printing, by combining a specific flexographic printing plate with an actinic-ray-curable ink. In this production method for printed matter are used: a flexographic printing plate comprising a substrate and a resin layer having a printing relief; and an actinic-ray-curable ink comprising at least one polyfunctional (meth)acrylate and a pigment. The production method for printed matter satisfies the following (A) to (C). (A) The resin layer having a printing relief includes a compound A having an SP value, as calculated by the Fedors method, of 10.0 or greater, in an amount of 30 mass % or larger. (B) The polyfunctional (meth)acrylate has an SP value, as calculated by the Fedors method, of 8.0-9.5. (C) The ink has a content of the polyfunctional (meth)acrylate satisfying said SP value of 40-85 mass %.

公开(公告)号：US20240391264A1

公开(公告)日：2024-11-28

申请号：US18694071

申请日：2022-09-16

Applicant: TORAY INDUSTRIES, INC.

Inventor： Yuichi TSUJI ,  Takejiro INOUE

IPC: B41M3/00 ,  B41M1/04 ,  B41M1/30 ,  B41M7/00 ,  C09D11/101 ,  C09D11/107 ,  C09D11/12

Abstract: An object of the present invention is to provide a method for producing a surface-printing printed material excellent in not only wet-on-wet printability but also density stability. The present invention is a method for producing a printed material, including, in the stated order: an ink (A) transfer step of transferring an ink (A) according to the following definition to a substrate, the ink (A) being colorless or white; a drying step of evaporating water or a solvent contained in the ink (A); an ink (B) transfer step of transferring an ink (B) according to the following definition to the substrate; and an irradiation step of irradiating the transferred inks with an active energy ray: the ink (A) being a volatile active energy ray-curable ink containing water or a solvent, the ink (B) being a nonvolatile active energy ray-curable ink substantially not containing water or a solvent.

公开(公告)号：US20240084153A1

公开(公告)日：2024-03-14

申请号：US18273885

申请日：2022-01-25

Applicant: TORAY INDUSTRIES, INC.

Inventor： Akito ITO ,  Noboru KOSHIMIZU ,  Takejiro INOUE

IPC: C09D11/107 ,  B41M1/06 ,  B41M1/18 ,  B41M1/30 ,  B41M7/00 ,  C09D11/037 ,  C09D11/101

CPC classification number: C09D11/107 ,  B41M1/06 ,  B41M1/18 ,  B41M1/30 ,  B41M7/0081 ,  C09D11/037 ,  C09D11/101

Abstract: An object of the present invention is to provide an active energy ray-curable lithographic printing ink set that is excellent in superimposition of inks, and a method for producing a printed material using the same.
The present invention is an active energy ray-curable printing ink set including at least one ink of black or chromatic color including at least any one of a black pigment, a cyan pigment, a magenta pigment, and a yellow pigment, and a white ink including a white pigment, wherein at least one of the ink of black or chromatic color is the black/chromatic ink (1) having a tack value of 5.0 or more and 12.0 or less at 400 rpm measured with an inkometer at 38° C., and the white ink has a tack value of 1.0 or more and 5.0 or less at 400 rpm measured with an inkometer at 38° C.

公开(公告)号：US20240392146A1

公开(公告)日：2024-11-28

申请号：US18694673

申请日：2022-09-27

Applicant: TORAY INDUSTRIES, INC.

Inventor： Akito ITO ,  Noboru KOSHIMIZU ,  Shiro KOBAYASHI ,  Takejiro INOUE

IPC: C09D11/101 ,  B41M7/00 ,  C09D11/102 ,  C09D11/107 ,  C09D11/12

Abstract: An object of the present invention is to provide a resin that is superior in low tackiness and anti-scumming property at the time of printing and also superior in hot water treatment resistance after printing, an active energy ray-curable composition, an active energy ray-curable ink, an overcoat varnish, a paint, an adhesive, a photoresist, and a method for producing a printed matter. The present invention is a resin that is a copolymer of a monomer group including a styrene-based compound (a) and a vinyl monomer (c) having a hydrophilic group, wherein a content of the styrene-based compound (a) in the monomer group is 50.0 mol % or more and 85.0 mol % or less, and the resin has a glass transition temperature (Tg) of 100° C. or more and 150° C. or less.

公开(公告)号：US20220326612A1

公开(公告)日：2022-10-13

申请号：US17607994

申请日：2020-05-19

Applicant: TORAY INDUSTRIES, INC.

Inventor： Yurika KAWAI ,  Noboru KOSHIMIZU ,  Takejiro INOUE

IPC: G03F7/033 ,  C09D11/107 ,  C09D11/101

Abstract: An object of the present invention is to provide an active energy ray-curable lithographic ink that exhibits good adhesion to a plastic film and does not cause a decrease in the adhesion capability even during hot-water treatment. The present invention encompasses a printing ink that includes (a) a urethane (meth)acrylate and (c) another polymerizable monomer, wherein the printing ink has an ink tack value of 5.0 or more and 18.0 or less and a viscosity (C) and a viscosity (B) that are both 5 Pa·s or more and 100 Pa·s or less, as measured at a rotational speed of 20 rpm and a rotational speed of 50 rpm respectively at 35° C., using a cone-plate rotating viscometer, and wherein the viscosity ratio (B)/(C) is 0.60 or more and 1.00 or less.

公开(公告)号：US20220213327A1

公开(公告)日：2022-07-07

申请号：US17613233

申请日：2020-06-15

Applicant: TORAY INDUSTRIES, INC.

Inventor： Yasunori KUSE ,  Takejiro INOUE ,  Yusuke TSUTSUMI

IPC: C09B67/20 ,  C09B57/00 ,  G03F7/40 ,  B41N3/00

Abstract: The invention provides a dyeing solution for lithographic printing plates and a dyeing method for waterless lithographic printing plates that show stable plate inspection characteristics with little decrease in dye concentration and less dyeing unevenness even when used for bulk plate processing. The dyeing method for waterless lithographic printing plates is designed so that when used to dye an image area formed on a waterless lithographic printing plate with a dyeing solution containing an organic solvent, the relation of |β−α|

公开(公告)号：US20190105894A1

公开(公告)日：2019-04-11

申请号：US16094639

申请日：2017-05-19

Applicant: TORAY INDUSTRIES, INC.

Inventor： Yuichi TSUJI ,  Takejiro INOUE

IPC: B41F35/00 ,  B41M1/06 ,  H01M4/36 ,  B41N3/08 ,  C09D11/101

Abstract: The present invention aims to provide a method of producing a printed matter that shows suppressed scumming in planography. A method of producing a printed matter, the method including the steps of: allowing a dampening water to adhere to a hydrophilic layer of a planographic printing plate having at least the hydrophilic layer and a heat sensitive layer; allowing an ink to adhere to the heat sensitive layer; and transferring the ink adhering to the heat sensitive layer to an object to be printed; wherein the pH (A) of the ink and the pH (B) of the dampening water are both from 1 to 6.5.