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公开(公告)号：EP4403360A1
公开(公告)日：2024-07-24
申请号：EP22869723.1
申请日：2022-08-09
摘要： There are provided a laminated polyester film which is excellent in coating uniformity and adhesiveness of water-based coating, a laminate using the same, and a method for producing a laminated polyester film. The laminated polyester film of the present invention includes an easy-adhesion layer (X) on an outermost surface of at least one side of a polyester base material, in which a ratio (yh/yd) of hydrogen bonds (γh) to a dispersive force (γd) in surface free energy of the easy-adhesion layer (X) is 0.250 or less. In addition, the laminated polyester film according to another aspect of the present invention includes an easy-adhesion layer (X) on an outermost surface on at least one side of a polyester base material, in which an advancing angle θa of water in the easy-adhesion layer (X) is 75.0° or more and 110.0° or less, and a receding angle θr of water is 5.0° or more and 40.0° or less.
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公开(公告)号：EP4275887A1
公开(公告)日：2023-11-15
申请号：EP21917598.1
申请日：2021-12-01
IPC分类号： B32B27/00 , B32B27/08 , B32B27/30 , B32B27/36 , B32B27/38 , B32B27/40 , C08J5/18 , B32B7/02 , B32B7/022 , C08J7/043
摘要： A laminated film including a resin layer on at least one side of a resin base film, the resin layer being present at least one surface, wherein the X-ray absorption near edge structure (XANES) spectrum at the carbon K absorption edge at the resin layer surface satisfies I (15°) - I (90°) ≥ 0.1 when the angle formed between the incident X-ray and the resin layer surface is defined as θ, and the spectral intensity at 293.5 eV obtained by the partial electron yield method is defined as I (θ). Provided is a laminated film as a release film to be used in an application that is carried out by coating the film with a coating liquid including a solvent, drying and solidifying the coating liquid, and then peeling off the solidified coating, which laminated film shows excellent applicability and an excellent peeling property, and does not show delamination of the surface layer even after a heating process.
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公开(公告)号：EP3825123A1
公开(公告)日：2021-05-26
申请号：EP19837305.2
申请日：2019-07-01
发明人： AONO, Haruki , IWAYA, Tadahiko , SAWAMOTO, Keiko , ABE, Yu
摘要： Provided is a laminated film that has a resin layer on at least one surface of a polyester film, in which the resin layer is on at least one surface layer, the water contact angle of the resin layer is 85°-100°, inclusive, and |H2-H1| ≤ 1.0 (%) is satisfied, H1 (%) being the haze of the laminated film and H2 (%) being the haze of the laminated film after being immersed in a solvent and subjected to a rub test. This laminated film has excellent coating and releasability properties with respect to ceramic slurry.
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