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    DECORATIVE SHEET
    31.
    发明公开
    DECORATIVE SHEET 审中-公开

    公开(公告)号：EP3785997A1

    公开(公告)日：2021-03-03

    申请号：EP19793213.0

    申请日：2019-04-24

    Applicant: Toppan Printing Co., Ltd.

    Inventor： TAKAHASHI Ryosuke ,  SANO Mamiko ,  FUNAKI Hayato

    IPC: B60R13/02 ,  B32B27/00 ,  B32B27/30

    Abstract: This decorative sheet (20) comprises: a substrate layer (1); a pattern layer (2) that is provided on the side of the first front surface (1a) of the substrate layer (1); and a thermoplastic resin layer (3) that is provided on the side of the second front surface (2a) of the pattern layer (2). When a test piece with a width of 8 mm is prepared from the decorative sheet (20) and the storage modulus is measured for the prepared test piece with an initial chuck distance of 10.77 mm, at a start temperature of 30°C, an end temperature of 150°C, a temperature increase rate of 5°C/min, and a measurement frequency of 1.0 Hz, the ratio of the difference between the second storage modulus and a third storage modulus when the decorative sheet (20) changes from the transition region to a rubbery flat region relative to the difference between a first storage modulus when the environmental temperature is 30°C and a second storage modulus when the decorative sheet (20) changes from a glassy region to a transition region is 3.5 or less.

    GAS BARRIER FILM
    32.
    发明公开
    GAS BARRIER FILM 审中-公开

    公开(公告)号：EP3785910A1

    公开(公告)日：2021-03-03

    申请号：EP19793455.7

    申请日：2019-04-11

    Applicant: Toppan Printing Co., Ltd.

    Inventor： HOSHI, Sayaka ,  KAMINAGA, Junichi ,  OMURA, Yuki ,  NOMOTO, Yuka

    IPC: B32B27/40 ,  B32B27/20 ,  B65D65/40 ,  C08G18/08 ,  C08K13/04 ,  C08L75/04 ,  C08L101/14

    Abstract: A gas barrier film includes: a substrate; and a gas barrier layer located on at least one surface of the substrate, the gas barrier layer containing an aqueous polyurethane resin (A) that contains an acid group-containing polyurethane resin and a polyamine compound, a water soluble polymer (B), and an inorganic layered mineral (C), wherein, when a region from a top to a bottom of a cross-section of the gas barrier layer in a thickness direction, which is defined as a first region, is equally divided in the thickness direction into 11 strip regions, and a region different from the first region from a top to a bottom of a cross-section of the gas barrier layer in the thickness direction, which is defined as a second region, is equally divided in the thickness direction into 11 strip regions to thereby define a total of 22 strip regions; a portion having a length of 1 µm in a length direction perpendicular to the thickness direction in each of second, fourth, sixth, eighth, and tenth strip regions from a first surface of the gas barrier layer among the 11 strip regions in the first region, and a portion having a length of 1 µm in a length direction perpendicular to the thickness direction in each of second, fourth, sixth, eighth, and tenth strip regions from the first surface of the gas barrier layer among the 11 strip regions in the second region is each defined as a measurement target region to thereby select ten of the measurement target regions that constitute a first measurement target region group; a standard deviation of a luminance projection (α) in the length direction is obtained in each of the ten of the measurement target regions in the first measurement target region group; and an arithmetic mean of a plurality of the standard deviations of the ten of the luminance projections (α) in the first measurement target region group is obtained as an average, the average of the plurality of the standard deviations of the ten of the luminance projections (α) in the first measurement target region group in the gas barrier layer is 10 or less.

    DIFFRACTION STRUCTURE TRANSFER FOIL AND FORGERY PREVENTION MEDIUM USING SAME
    33.
    发明公开
    DIFFRACTION STRUCTURE TRANSFER FOIL AND FORGERY PREVENTION MEDIUM USING SAME 审中-公开

    公开(公告)号：EP3783398A1

    公开(公告)日：2021-02-24

    申请号：EP20201739.8

    申请日：2015-05-13

    Applicant: Toppan Printing Co., Ltd.

    Inventor： Ide, Hidetaka

    IPC: G02B5/18 ,  G03H1/02 ,  B42D25/328 ,  B42D25/40 ,  G03H1/00 ,  G03H1/26 ,  B42D25/324 ,  B42D25/47

    Abstract: Provided are diffraction structure transfer foil that further improves usefulness of the diffraction structure transfer foil in authenticity determination by allowing a greater variety of diffracted-light patterns to be observed, and a forgery prevention medium using the diffraction structure transfer foil. The diffraction structure transfer foil (21) includes a transfer foil substrate (1), a peeling-off protective layer (2) that is laminated on one surface of the transfer foil substrate (1), a laminated body for diffracted-light delivery (13a) that is laminated on the peeling-off protective layer (2), and an adhesive layer (9) that is laminated on the laminated body for diffracted-light delivery (13a). The laminated body for diffracted-light delivery (13a) includes a diffraction structure forming body in which a plurality of diffraction structures (4 and 7) are formed, and a reflective layer (5a or 8a) that is formed in accordance with each of the plurality of diffraction structures (4 and 7). A transmission density of one reflective layer (5a) of the plurality of reflective layers (5a and 8a) is in a range of 0.01 to 0.9, and a transmission density of the other reflective layer (8a) is 1.0 or greater.

    GAS BARRIER LAMINATE AND PACKAGE PROVIDED WITH SAME
    36.
    发明公开
    GAS BARRIER LAMINATE AND PACKAGE PROVIDED WITH SAME 审中-公开

    公开(公告)号：EP3741560A1

    公开(公告)日：2020-11-25

    申请号：EP19741638.1

    申请日：2019-01-18

    Applicant: Toppan Printing Co., Ltd.

    Inventor： OKAMURA Kengo ,  FUKUGAMI Miki

    IPC: B32B27/18 ,  B32B9/00 ,  B65D65/40

    Abstract: A gas barrier laminate according to the present disclosure includes: a resin substrate; a first coating layer containing a carboxylic acid polymer; and a second coating layer containing a polyvalent metal compound and a resin, wherein: the resin substrate, the first coating layer, and the second coating layer are laminated in this order; a ratio of a thickness of the second coating layer to a thickness of the first coating layer is in the range of 1.0 or more and 4.0 or less; and the second coating layer satisfies at least one of the following conditions 1 to 3: (condition 1) a haze of the second coating layer is 8% or less; (condition 2) a surface roughness Ra of the second coating layer is 1/2 or less of the thickness of the second coating layer; and (condition 3) the number of concave portions having a diameter of 1.5 µm or more per unit area on a surface of the second coating layer opposite to the first coating layer is 2/0.01 mm 2 or less.

    LAMINATE, CERTIFICATE, AND METHOD OF MANUFACTURING LAMINATE
    37.
    发明公开
    LAMINATE, CERTIFICATE, AND METHOD OF MANUFACTURING LAMINATE 审中-公开

    公开(公告)号：EP3738784A1

    公开(公告)日：2020-11-18

    申请号：EP19739127.9

    申请日：2019-01-09

    Applicant: Toppan Printing Co., Ltd.

    Inventor： MINAMIKAWA, Naoki

    IPC: B42D25/324 ,  B32B7/06 ,  B42D25/23 ,  B42D25/24 ,  B42D25/328 ,  B42D25/455 ,  B42D25/46 ,  G02B5/18

    Abstract: A laminate includes a recording layer, a translucent front covering layer and a security foil laminated between the recording layer and the front covering layer and sealed in the laminate. The security foil has a thickness that is 1/5 or less the thickness of the recording layer to prevent or reduce falsification reusing the security foil. The security foil includes a relief layer having a relief surface and a protective layer covering the relief surface. In the thickness direction of the laminate, the protective layer adheres to the recording layer and the relief layer adheres to the front covering layer. The adhesion strength between the security foil and the recording layer is higher than the adhesion strength between the security foil and the front covering layer.

    DECORATIVE MATERIAL
    40.
    发明公开
    DECORATIVE MATERIAL 审中-公开

    公开(公告)号：EP3736124A1

    公开(公告)日：2020-11-11

    申请号：EP18898802.6

    申请日：2018-12-20

    Applicant: Toppan Printing Co., Ltd.

    Inventor： HIGASHIKAWA Eiichi

    IPC: B32B3/14 ,  B32B27/00 ,  B32B27/20

    Abstract: The present invention provides a decorative material that provides visual effects, while having high scratch resistance, excellent release properties, and high contamination resistance. A decorative material (1) according to the present embodiment includes a first gloss control layer (5) provided as a surface layer and a second gloss control layer (6) provided on part of the first gloss control layer (5). The first gloss control layer (5) contains a gloss control agent comprised of a hydrophobic inorganic material and a silicone-based release agent having a reactive terminal group. The reactive terminal group of the silicone-based release agent preferably has at least one of a hydroxyl group and an amino group. Preferably, the second gloss control layer (6) contains a silicone-based release agent having a reactive terminal group, and the reactive terminal group of the silicone-based release agent has at least one of an acryloyl group and a methacryloyl group.

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