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公开(公告)号：US10189291B2
公开(公告)日：2019-01-29
申请号：US15129484
申请日：2015-03-27
发明人： Makoto Aoyagi , Taku Nishikawa , Daisuke Fukui , Munenori Ieshige
IPC分类号： B41M5/44 , B32B5/18 , B41M5/52 , B32B7/12 , B32B27/06 , B41M5/41 , B32B27/32 , B32B3/26 , B32B27/08 , B32B27/10 , B32B27/20 , B32B37/02 , B32B37/10 , B32B37/15 , B32B23/08 , B32B29/00 , B41M5/42 , B32B37/12
摘要： Provided is a method for producing a support for a thermal transfer image-receiving sheet, including laminating a substrate and a porous film by a melt-extruded resin while passing the substrate and the porous film through a portion between rollers in a pair, wherein a thermal transfer image-receiving sheet excellent in adhesiveness between the substrate and the porous film and excellent in the texture of a print surface can be obtained. A method for producing a support for a thermal transfer image-receiving sheet according to the present invention is a method for producing a support for a thermal transfer image-receiving sheet including a substrate layer composed of a substrate, an adhesive layer composed of a melt-extruded resin, and a porous layer including a porous film that are layered in the order mentioned, in which the substrate and the porous film are laminated by the melt-extruded resin while passing the substrate and the porous film through the portion between rollers in a pair having a spacing with a distance d; and a difference (d−h) between the distance d which is the spacing between the rollers in the pair and the total thickness h of the substrate layer, the adhesive layer, and the porous layer is −50 μm or more and 50 μm or less.
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公开(公告)号：US10940619B2
公开(公告)日：2021-03-09
申请号：US15555653
申请日：2016-03-22
IPC分类号： B29C43/30 , B32B5/18 , B41M5/42 , B41M5/41 , B41M5/44 , B29C43/24 , B29C43/46 , B29C43/52 , B32B27/06 , B32B27/08 , B41M5/50 , B41M5/52
摘要： A method for manufacturing a thermal transfer image-receiving sheet support that can be used to obtain a thermal transfer image-receiving sheet that maintains its gloss and that has excellent handleability and high condition uniformity while preventing the formation of air bubbles in an adhesive layer. A resin is supplied to one side of a substrate, which is passed between a cooling roller A and a rubber roller A. A porous film is stacked on another side of the substrate through a resin, and the substrate is passed between a cooling roller B and a rubber roller B. The cooling rollers A and B have surfaces with a ten-point average roughness (Rz) of 5 to 30 μm and 0 to 20 μm, respectively. The rubber rollers A and B have a rubber hardness (durometer (Type A)) of 60 to 95 and 50 to 80, respectively.
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公开(公告)号：US09889694B2
公开(公告)日：2018-02-13
申请号：US15129475
申请日：2015-03-27
CPC分类号： B41M5/508 , B32B3/26 , B32B5/18 , B32B7/02 , B32B27/08 , B32B27/32 , B32B37/153 , B32B2250/04 , B32B2255/10 , B32B2307/402 , B32B2307/72 , B32B2323/04 , B41M5/382 , B41M5/504 , B41M5/506 , B41M5/5254 , B41M2205/02 , B41M2205/32 , B41M2205/34 , B41M2205/36 , B41M2205/38
摘要： Provided is a support for a thermal transfer image-receiving sheet, capable of obtaining a thermal transfer image-receiving sheet that has favorable stability against curl and is excellent in the texture of a print surface in the case of print under the environmental conditions of high temperature and high humidity. A support for a thermal transfer image-receiving sheet according to the present invention includes a porous layer composed of a porous film, a first polyolefin resin layer, a substrate layer, and a second polyolefin resin layer that are layered in the order mentioned, in which the first polyolefin resin layer has a density of 0.93 g/cm3 or less; and the second polyolefin resin layer has a density of more than 0.93 g/cm3.
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