公开(公告)号：US20240316976A1

公开(公告)日：2024-09-26

申请号：US18578062

申请日：2022-07-20

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Yusuke NARUMI ,  Yanhui LI ,  Yoshihiro IMAKURA ,  Akane FUKUDA

IPC: B41M5/44 ,  B41M5/395

CPC classification number: B41M5/44 ,  B41M5/395 ,  B41M2205/06 ,  B41M2205/38

Abstract: A thermal transfer sheet includes a substrate and a transfer layer on the substrate. The transfer layer includes an adhesive layer. The adhesive layer forms one surface layer of the thermal transfer sheet, and the adhesive layer contains an allyl resin and a modified olefin polymer.

公开(公告)号：US20180037012A1

公开(公告)日：2018-02-08

申请号：US15555627

申请日：2016-03-23

Applicant: Dai Nippon Printing Co., Ltd.

Inventor： Yoshihiro IMAKURA ,  Ryoji HATTORI

IPC: B32B25/08 ,  C08J7/04 ,  B32B25/14 ,  B32B37/00 ,  B32B7/06

CPC classification number: B32B25/08 ,  B05D1/30 ,  B05D3/067 ,  B32B7/06 ,  B32B25/14 ,  B32B27/30 ,  B32B37/025 ,  B32B2425/00 ,  B42D25/23 ,  B42D25/328 ,  B42D25/36 ,  B42D25/45 ,  B42D25/47 ,  B44C1/1712 ,  C08J7/042 ,  C08J2367/02 ,  C08J2479/04

Abstract: An object is to provide a transfer film that can impart sufficient durability performance to a transfer object surface and can also have excellent peeling stability without causing any transfer failures such as tailing and burr. A transfer film including at least a substrate, a release layer provided on the substrate, an intermediate layer provided on the release layer, and a protective layer provided on the intermediate layer, in which the intermediate layer includes a wax component and a rubber component, and the protective layer includes an active light curing resin.

公开(公告)号：US20230219358A1

公开(公告)日：2023-07-13

申请号：US17997380

申请日：2021-05-12

Applicant: Dai Nippon Printing Co., Ltd.

Inventor： Tadahiro ISHIDA ,  Yoshihiro IMAKURA

IPC: B41M5/382 ,  B41M5/44

CPC classification number: B41M5/382 ,  B41M5/44 ,  B41M2205/30 ,  B41M2205/38

Abstract: The present disclosure relates to a thermal transfer sheet including a first substrate and a first adhesive layer, in which the first adhesive layer is a layer to be transferred from the thermal transfer sheet by heating, and the first adhesive layer contains a crystalline polyester.

公开(公告)号：US20190143641A1

公开(公告)日：2019-05-16

申请号：US16088597

申请日：2017-03-30

Applicant: Dai Nippon Printing Co., Ltd.

Inventor： Yoshihiro IMAKURA ,  Ryoji HATTORI ,  Yasuyuki SHOUJI ,  Kazuya YOSHIDA ,  Tomohiko IMODA

IPC: B32B7/06 ,  B41M5/382 ,  B32B7/12 ,  B41M5/44

Abstract: There is provided a thermal transfer sheet having satisfactory peelability when a transfer layer is peeled off without being affected by a peeling environment when the transfer layer is peeled off.A thermal transfer sheet 100 includes a substrate 1 and a transfer layer 10 provided on one surface of the substrate 1, in which the peeling force in a stable period is in the range of 4.6 g/cm or more and 23 g/cm or less when the transfer layer 10 is peeled off at a peeling temperature in the range of 30° C. or more and 70° C. or less and at a peeling angle of 90° while the surface of the transfer layer 10 on the side opposite to the substrate 1 is made to serve as a peeling interface.

公开(公告)号：US20180147813A1

公开(公告)日：2018-05-31

申请号：US15576400

申请日：2016-05-27

Applicant: Dai Nippon Printing Co., Ltd.

Inventor： Kazuya YOSHIDA ,  Hiroyuki HASEGAWA ,  Yoshihiro IMAKURA ,  Ryoji HATTORI

IPC: B32B7/06 ,  B32B27/30 ,  B32B7/12 ,  B44C1/17

CPC classification number: B32B7/06 ,  B32B7/12 ,  B32B27/30 ,  B32B2307/748 ,  B44C1/17 ,  B44C1/172 ,  B44C1/1729

Abstract: An object is to provide a transfer film that can impart sufficient durability to a transfer object surface and has high transfer property without causing any transfer failures such as tailing and burr. The transfer film according to the present invention is a transfer film comprising a substrate and a protective layer peelably provided on the substrate, wherein the protective layer comprises an active ray-cured resin; the active ray-cured resin contains a hydroxyl group-containing (meth)acrylate compound as a polymerization component; and the hydroxyl value of the hydroxyl group-containing (meth)acrylate compound is 20 mg KOH/g or more and 120 mg KOH/g or less.

公开(公告)号：US20210402819A1

公开(公告)日：2021-12-30

申请号：US17447707

申请日：2021-09-15

Applicant: Dai Nippon Printing Co., Ltd.

Inventor： Kazuya YOSHIDA ,  Tomohiko IMODA ,  Yoshihiro IMAKURA ,  Yasuyuki SHOUJI ,  Daisuke FUKUI ,  Ryoji HATTORI ,  Koichiro KURODA

IPC: B41M5/44 ,  B41M5/52 ,  B41M5/382 ,  B41M7/00 ,  B41M5/40

Abstract: To provide a coating liquid for release layer with which a release layer having a small variation in the performance difference can be stably formed, to provide a method for producing a thermal transfer sheet using this coating liquid for release layer, and to provide a thermal transfer sheet having stable releasability. A thermal transfer sheet having a substrate, a release layer provided on the substrate, and a transfer layer provided on the release layer, wherein the transfer layer is provided peelably from the release layer, and the release layer contains a silsesquioxane.

公开(公告)号：US20200369063A1

公开(公告)日：2020-11-26

申请号：US16765267

申请日：2019-01-31

Applicant: Dai Nippon Printing Co., Ltd.

Inventor： Yoshihiro IMAKURA ,  Koichiro KURODA

IPC: B41M5/382

Abstract: Provided are a combination of a thermal transfer sheet and an intermediate transfer medium which is capable of accurately transferring only a transfer layer of the intermediate transfer medium desired to be transferred onto a transfer receiving article in the production of a print, and a thermal transfer sheet which is used in combination with an intermediate transfer medium. Also provided are a method for producing a print, comprising accurately transferring only a transfer layer of an intermediate transfer medium desired to be transferred onto a transfer receiving article, and a thermal transfer printer which is used in this method for producing a print. In the thermal transfer sheet which is used in combination with an intermediate transfer medium, inhibit layer 2 is disposed on substrate 1, and the inhibit layer 2 contains a carnauba wax.

公开(公告)号：US20180141307A1

公开(公告)日：2018-05-24

申请号：US15577023

申请日：2016-05-27

Applicant: Dai Nippon Printing Co., Ltd.

Inventor： Kazuya YOSHIDA ,  Hiroyuki HASEGAWA ,  Yoshihiro IMAKURA ,  Ryoji HATTORI

IPC: B32B7/06 ,  B32B27/30 ,  B42D25/23

Abstract: An object is to provide a transfer film that can impart sufficient durability such as abrasion resistance and solvent resistance to a transfer object surface and has high transfer property without causing any transfer failures such as tailing and burr. The transfer film according to the present invention comprises a substrate and a protective layer peelably provided on the substrate, wherein the protective layer comprises an active ray-cured resin and a filler; wherein the active ray-cured resin contains polyfunctional urethane (meth)acrylate as a polymerization component; and wherein the filler has a volume average particle size of 40 nm or less.

公开(公告)号：US20220227155A1

公开(公告)日：2022-07-21

申请号：US17151250

申请日：2021-01-18

Applicant: Dai Nippon Printing Co., Ltd.

Inventor： Yoshihiro IMAKURA

IPC: B41M5/392 ,  B41M5/50

Abstract: Provided is a thermal transfer sheet that can be used for producing not a simple print but a print having a novel function.
A thermal transfer sheet includes a substrate, a dye layer provided on one surface of the substrate and including a dye, and a dye fading accelerating layer provided on the one surface of the substrate frame-sequentially to the dye layer and including a dye fading accelerating material that accelerates fading of the dye.

公开(公告)号：US20200369012A1

公开(公告)日：2020-11-26

申请号：US16768365

申请日：2019-01-31

Applicant: Dai Nippon Printing Co., Ltd.

Inventor： Kazuya YOSHIDA ,  Tomohiko IMODA ,  Yoshihiro IMAKURA ,  Yasuyuki SHOUJI ,  Daisuke FUKUI ,  Ryoji HATTORI ,  Koichiro KURODA

IPC: B32B27/18 ,  B32B27/08

Abstract: To provide a coating liquid for release layer with which a release layer having a small variation in the performance difference can be stably formed, to provide a method for producing a thermal transfer sheet using this coating liquid for release layer, and to provide a thermal transfer sheet having stable releasability.A thermal transfer sheet having a substrate 1, a release layer 2 provided on the substrate 1, and a transfer layer 10 provided on the release layer 2, wherein the transfer layer 10 is provided peelably from the release layer 2, and the release layer 2 contains a silsesquioxane.