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公开(公告)号：US11279161B2
公开(公告)日：2022-03-22
申请号：US16607422
申请日：2018-02-28
发明人： Yuzu Imakura , Junko Hirokawa
摘要： Provided is a thermal transfer sheet having an excellent high-speed transferability and capable of forming images with high fluorescence intensity and abrasion resistance. The thermal transfer sheet of the present invention includes a substrate, a fluorescent layer, and a thermofusible ink layer in this order, in which the fluorescent layer contains a fluorescent material, and a vinyl resin.
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公开(公告)号：US09956803B2
公开(公告)日：2018-05-01
申请号：US15393308
申请日：2016-12-29
发明人： Yuzu Imakura
CPC分类号： B41M5/395 , B41M5/38214 , B41M5/44 , B41M2205/02 , B41M2205/06 , B41M2205/30 , B41M2205/38 , B41M2205/40
摘要： The thermal transfer sheet according to the present invention that has, in the order mentioned, a substrate, a colored layer, and an adhesion layer; and wherein the colored layer contains a colorant, polyester-based resin A, and polyester-based resin B; the number average molecular weight of the polyester-based resin A is not less than 15,000; the number average molecular weight of the polyester-based resin B is not more than 5,000; a content ratio by mass of the polyester-based resin A to the polyester-based resin B (polyester-based resin A/polyester-based resin B) in the colored layer is not less than 2/3 and not more than 9/1; and the adhesion layer includes a polyester-based resin.
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公开(公告)号：US12122176B2
公开(公告)日：2024-10-22
申请号：US17309974
申请日：2020-01-09
发明人： Megumi Ikeda , Tadahiro Ishida , Yuzu Imakura , Yusuke Narumi
CPC分类号： B41M5/44 , B41M5/38214 , B41M5/423 , B41M5/443 , B41M5/42 , B41M2205/06 , B41M2205/30 , B41M2205/38 , B41M2205/40
摘要： Provided is a thermal transfer sheet that can form a good image on both a transfer object made of a polyethylene terephthalate and a transfer object made of a polypropylene, as well as can form an image with high alcohol resistance. The thermal transfer sheet of the present invention includes a substrate, and a transfer layer including a colored layer and an adhesive layer, in which the adhesive layer has a phase-separated structure formed by a polyester and a polyolefin that are incompatible with each other, and in which the percentage of the region formed by one of the polyester and the polyolefin to the total area (100%) of the adhesive layer is 55% or more and 85% or less.
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公开(公告)号：US09956802B2
公开(公告)日：2018-05-01
申请号：US15393422
申请日：2016-12-29
发明人： Yuzu Imakura
CPC分类号： B41M5/38214 , B41M5/395 , B41M5/44 , B41M2205/02 , B41M2205/06 , B41M2205/30 , B41M2205/38 , B41M2205/40
摘要： The thermal transfer sheet according to the present invention that has in the order mentioned, a substrate, a release layer, a colored layer, and an adhesion layer; and is characterized in that the colored layer contains a colorant and a polyester-based resin; the adhesion layer contains a polyester-based resin; a ratio of the thickness of the release layer to the total thickness of the colored layer and the adhesion layer (the thickness of the release layer/(the thickness of the colored layer+the thickness of the adhesion layer)) is not less than 2/3 and not more than 3/2; and the total thickness of the release layer, the colored layer, and the adhesion layer is not less than 1.0 μm and not more than 2.0 μm.
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