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    White polyester film
    1.
    发明授权
    White polyester film 有权

    公开(公告)号：US11541647B2

    公开(公告)日：2023-01-03

    申请号：US17054214

    申请日：2019-04-25

    Applicant: Toray Industries, Inc.

    Inventor： Hirohito Uchida ,  Takashi Isozaki ,  Yu Abe ,  Takashi Funatomi

    IPC: B32B27/36 ,  B32B3/26 ,  B32B27/20 ,  B32B27/32

    Abstract: A white polyester film is described that includes at least a layer including, as a main component, a polyester resin (A), a thermoplastic resin (B) incompatible with the polyester resin (A), and an inorganic particle (C), where the white polyester film achieves high reflectance and a concealing property without increasing the thickness of the reflective film, the layer including voids in which the thermoplastic resin (B) functions as nuclei, wherein in a vertical section of the white film, NB2/NB1×100 (%) is 15% or more, wherein NB1 represents the number of the nuclei of the thermoplastic resin (B), and NB2 represents the number of the sections of the thermoplastic resin (B), the sections including the inorganic particle (C) inside.

    LAMINATED FILM
    4.
    发明申请
    LAMINATED FILM 有权

    公开(公告)号：US20210277197A1

    公开(公告)日：2021-09-09

    申请号：US17259430

    申请日：2019-07-01

    Applicant: Toray Industries, Inc.

    Inventor： Haruki Aono ,  Tadahiko Iwaya ,  Keiko Sawamoto ,  Yu Abe

    IPC: C08J7/04 ,  B05D3/12 ,  B05D7/04 ,  B05D5/08 ,  C09D5/20

    Abstract: A laminated film 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.

    LAMINATED POLYESTER FILM
    5.
    发明申请
    LAMINATED POLYESTER FILM 审中-公开
    层压聚酯薄膜

    公开(公告)号：US20150191621A1

    公开(公告)日：2015-07-09

    申请号：US14408897

    申请日：2013-06-19

    Applicant: TORAY INDUSTRIES, INC.

    Inventor： Yu Abe ,  Masami Ogata ,  Yasushi Takada

    IPC: C09D133/26

    CPC classification number: C09D133/26 ,  B32B27/36 ,  C08F2220/343 ,  C08G18/6229 ,  C08G18/6254 ,  C08G18/706 ,  C08J7/042 ,  C08J2367/02 ,  C08J2467/02 ,  C08J2475/14 ,  C09D175/04 ,  G02B1/105 ,  G02B1/14 ,  Y10T428/31533 ,  Y10T428/31565 ,  C08F220/14 ,  C08F2220/1808 ,  C08F220/58

    Abstract: The purpose of the present invention is to provide a laminated polyester film which has excellent translucency and excellent suppression of an iris-like pattern (interference fringe), i.e., excellent visibility, when a hard coat layer is laminated; has excellent initial adhesion to the hard coat layer, adhesiveness at high temperatures and high humidity (wet heat-resistant adhesion), and UV-resistant adhesion (adhesion after UV irradiation); and has excellent adhesion when immersed in boiling water (boiling-resistant adhesion) and boiling-resistant translucency. This objective is achieved by a laminated polyester film having a resin layer (X) on at least one surface of a polyester film, wherein the resin layer (X) is formed from a coating composition comprising an acrylic/urethane copolymer resin (a) and a polyester resin (b) having a naphthalene backbone, and the film haze change amount (ΔHz) before and after a boiling treatment test (ΔHz=the film haze after the boiling treatment test−the film haze before the boiling treatment test) is less than 3.0%.

    Abstract translation: 本发明的目的是提供一种叠层聚酯薄膜，当层压硬涂层时，其具有优异的半透明度和优异的抑制虹膜状图案（干涉条纹），即优异的可视性; 对硬涂层具有优异的初始粘合性，在高温和高湿度下的粘合性（耐湿热粘合性）和耐UV粘合性（UV照射后的粘合性）; 并且当浸入沸水（耐沸腾粘附）和耐沸石半透明度时具有优异的附着力。 该目的通过在聚酯膜的至少一个表面上具有树脂层（X）的层压聚酯膜来实现，其中树脂层（X）由包含丙烯酸/氨基甲酸酯共聚物树脂（a）和 具有萘主链的聚酯树脂（b）和沸腾处理试验前后的膜雾度变化量（＆Dgr; Hz）（＆Dgr; Hz =沸腾处理试验后的膜雾度 - 沸腾处理前的膜雾度 测试）小于3.0％。

    WHITE POLYESTER FILM
    7.
    发明申请
    WHITE POLYESTER FILM 有权

    公开(公告)号：US20210060914A1

    公开(公告)日：2021-03-04

    申请号：US17054214

    申请日：2019-04-25

    Applicant: Toray Industries, Inc.

    Inventor： Hirohito Uchida ,  Takashi Isozaki ,  Yu Abe ,  Takashi Funatomi

    IPC: B32B27/36 ,  B32B27/32 ,  B32B27/20 ,  B32B3/26

    Abstract: A white polyester film is described that includes at least a layer including, as a main component, a polyester resin (A), a thermoplastic resin (B) incompatible with the polyester resin (A), and an inorganic particle (C), where the white polyester film achieves high reflectance and a concealing property without increasing the thickness of the reflective film, the layer including voids in which the thermoplastic resin (B) functions as nuclei, wherein in a vertical section of the white film, NB2/NB1×100 (%) is 15% or more, wherein NB1 represents the number of the nuclei of the thermoplastic resin (B), and NB2 represents the number of the sections of the thermoplastic resin (B), the sections including the inorganic particle (C) inside.

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