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公开(公告)号：US11148450B2
公开(公告)日：2021-10-19
申请号：US16768365
申请日：2019-01-31
发明人： Kazuya Yoshida , Tomohiko Imoda , Yoshihiro Imakura , Yasuyuki Shouji , Daisuke Fukui , Ryoji Hattori , Koichiro Kuroda
摘要： 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.-
公开(公告)号：US10525757B2
公开(公告)日：2020-01-07
申请号：US15680411
申请日：2017-08-18
发明人： Kazuya Yoshida , Hiroaki Segawa , Tomohiko Imoda , Yoshimasa Kobayashi , Tomoko Suzuki , Hiroyuki Hasegawa , Kano Sakamoto
IPC分类号： B41M5/385 , B41M5/395 , C08K5/3437 , C09D129/14 , C08L71/02 , B41M5/382 , B41M5/392 , C09B25/00 , C09B67/08 , C09B67/46 , C09D151/00 , C09D153/00 , C08L67/04 , C08L71/00 , B41M5/39 , B41M5/42
摘要： The purpose of the present invention is to provide a thermal transfer sheet which can prevent a kick and a scumming, and can form a photographic tone color image of high quality with a continuous tone image by sublimation transfer, while expanding the range of choices for colorants to be included in a colorant layer; a coating liquid for colorant layer to be used for forming the colorant layer of this thermal transfer sheet; a method for manufacturing this thermal transfer sheet; and image forming method employing this thermal transfer sheet. The problem is solved by a thermal transfer sheet (1) in which at least a colorant layer (3) is layered on a substrate sheet (2), wherein the colorant layer (3) contains a predetermined solvent, a colorant (10x) dispersible in the predetermined solvent, a dispersant, and a binder resin, and the dispersant being one or more selected from the group consisting of polyether-based dispersants, graft type polymer dispersants, acryl-based block type polymer dispersants, urethane-based polymer dispersants and azo-based dispersants.
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公开(公告)号：US11034178B2
公开(公告)日：2021-06-15
申请号：US16088597
申请日：2017-03-30
摘要： 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：US11912053B2
公开(公告)日：2024-02-27
申请号：US17447707
申请日：2021-09-15
发明人： Kazuya Yoshida , Tomohiko Imoda , Yoshihiro Imakura , Yasuyuki Shouji , Daisuke Fukui , Ryoji Hattori , Koichiro Kuroda
CPC分类号： B41M5/443 , B41M5/38214 , B41M5/405 , B41M5/52 , B41M7/0027 , B41M5/382 , B41M2205/10 , B41M2205/38
摘要： 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.
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公开(公告)号：US09764580B2
公开(公告)日：2017-09-19
申请号：US14781221
申请日：2014-03-28
发明人： Kazuya Yoshida , Hiroaki Segawa , Tomohiko Imoda , Yoshimasa Kobayashi , Tomoko Suzuki , Hiroyuki Hasegawa , Kano Sakamoto
IPC分类号： B41M5/385 , B41M5/39 , B41M5/395 , C08K5/3437 , C09D129/14 , C09B25/00 , C09B67/08 , C09B67/46 , C09D151/00 , C09D153/00 , C08L67/04 , C08L71/00 , C08L71/02 , B41M5/382 , B41M5/392 , B41M5/42
CPC分类号： B41M5/395 , B41M5/38228 , B41M5/385 , B41M5/3856 , B41M5/3858 , B41M5/39 , B41M5/392 , B41M5/42 , B41M2205/02 , B41M2205/30 , B41M2205/36 , B41M2205/38 , C08K5/3437 , C08L67/04 , C08L71/00 , C08L71/02 , C09B25/00 , C09B67/0013 , C09B67/009 , C09D129/14 , C09D151/00 , C09D153/00
摘要： The purpose of the present invention is to provide a thermal transfer sheet which can prevent a kick and a scumming, and can form a photographic tone color image of high quality with a continuous tone image by sublimation transfer, while expanding the range of choices for colorants to be included in a colorant layer; a coating liquid for colorant layer to be used for forming the colorant layer of this thermal transfer sheet; a method for manufacturing this thermal transfer sheet; and image forming method employing this thermal transfer sheet. The problem is solved by a thermal transfer sheet (1) in which at least a colorant layer (3) is layered on a substrate sheet (2), wherein the colorant layer (3) contains a predetermined solvent, a colorant (10x) dispersible in the predetermined solvent, a dispersant, and a binder resin, and the dispersant being one or more selected from the group consisting of polyether-based dispersants, graft type polymer dispersants, acryl-based block type polymer dispersants, urethane-based polymer dispersants and azo-based dispersants.
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