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公开(公告)号：EP4159919A1
公开(公告)日：2023-04-05
申请号：EP21813508.5
申请日：2021-05-21
摘要： An object is to provide heat-sealable paper that is excellent in impact resistance and workability. Provided is heat-sealable paper comprising at least one heat-sealable layer on at least one surface of a paper substrate, wherein in the paper substrate, when a tensile energy absorption in a vertical direction as measured in accordance with JIS P 8113:2006 is defined as X 1 , a tensile energy absorption in a horizontal direction as measured in accordance with JIS P 8113:2006 is defined as Y 1 , a tensile energy absorption index in a vertical direction as measured in accordance with JIS P 8113:2006 is defined as X 2 , and a tensile energy absorption index in a horizontal direction as measured in accordance with JIS P 8113:2006 is defined as Y 2 , a geometric mean of X 1 and Y 1 is 120 J/m 2 or more, a ratio of X 1 to Y 1 (X 1 /Y 1 ) is 0.5 or more and 2.0 or less, and a geometric mean of X 2 and Y 2 is 2.0 J/g or more.
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公开(公告)号：EP4328022A1
公开(公告)日：2024-02-28
申请号：EP22791813.3
申请日：2022-04-22
摘要： It is an object of the present invention to provide heat-sealable paper that is excellent in heat sealing property and recyclability, and capable of enclosing the object to be packaged even immediately after the bag making process. The heat-sealable paper of the present invention has at least one heat-sealable layer on at least one surface of a paper substrate, wherein the heat-sealable layer contains a water-dispersible resin binder, when two such heat-sealable layers are heat-sealed to each other under conditions of 150°C, 0.2 MPa, and one second, the hot tack peeling distance is 150 mm or less, and the heat sealing peel strength is 2 N/15 mm or more, and the heat-sealable paper has a pulp recovery rate after re-disintegration of 85% or more.
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公开(公告)号：EP4279263A1
公开(公告)日：2023-11-22
申请号：EP22739437.6
申请日：2022-01-13
摘要： To provide a vapor deposition paper having barrier properties and excellent recyclability. Provided is a vapor deposition paper having: a clay coat layer; an undercoat layer; a vapor deposition layer; an overcoat layer; and a heat seal layer in this order on at least one surface of a paper substrate, in which the vapor deposition layer contains at least one selected from the group consisting of metal and ceramic and has a thickness of 1 nm or more and 1000 nm or less, and the pulp recovery rate after re-disintegration of the vapor deposition paper is 80% or more.
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公开(公告)号：EP4269689A1
公开(公告)日：2023-11-01
申请号：EP21915094.3
申请日：2021-12-15
IPC分类号： D21H19/36 , B32B7/02 , B32B27/10 , B32B27/30 , B32B27/36 , B32B27/40 , B65D65/40 , D21H19/08 , D21H19/28 , D21H19/40 , D21H27/30
摘要： An object of the present invention is to provide base paper for vapor deposition paper that can provide vapor deposition paper with excellent barrier properties. The base paper for vapor deposition paper according to the present invention includes: a paper substrate; and a clay coat layer and a resin layer in this order on at least one surface of the paper substrate. A surface of the resin layer has a wetting tension of 50 mN/m or more as measured in conformity with JIS K 6768:1999 and a print-surf surface roughness of 2.5 pm or less as measured in conformity with JIS P 8151:2004.
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公开(公告)号：EP4067078A1
公开(公告)日：2022-10-05
申请号：EP20894464.5
申请日：2020-11-25
摘要： A barrier laminate having a paper substrate and, on at least one surface of the paper substrate, a gas barrier layer and a water vapor barrier layer in that order, wherein the gas barrier layer contains at least one selected from the group consisting of a water-soluble resin binder and a water-dispersible resin binder 1, the water vapor barrier layer contains a layered inorganic compound, a cationic resin and a water-dispersible resin binder 2, the water-dispersible resin binder 1 and the water-dispersible resin binder 2 are not the same, the layered inorganic compound has an aspect ratio of 50 or more, the layered inorganic compound has a thickness of 50 nm or less, the content of the layered inorganic compound in the water vapor barrier layer is 0.1 parts by mass or more and 100 parts by mass or less relative to 100 parts by mass of the water-dispersible resin binder 2.
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公开(公告)号：EP3838588A1
公开(公告)日：2021-06-23
申请号：EP19875329.5
申请日：2019-10-10
摘要： Provided is a gas barrier laminate that is simple to produce and has excellent water vapor barrier properties and gas barrier properties. Also provided are a gas barrier laminate further excellent in recyclability and heat sealing properties, and a method for producing it. The gas barrier laminate has a water vapor barrier layer and a gas barrier layer in that order on at least one surface of a paper support, wherein the water vapor barrier layer contains a layered inorganic compound, a cationic resin and an anionic binder, the aspect ratio of the layered inorganic compound is 50 or more, the thickness of the layered inorganic compound is 200 nm or less, the content of the layered inorganic compound is 0.1 to 800 parts by mass relative to 100 parts by mass of the anionic binder, and the gas barrier layer contains a water-soluble polymer. The invention is also a method for producing the gas barrier material by coating.
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