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公开(公告)号：US20200262183A1
公开(公告)日：2020-08-20
申请号：US15781605
申请日：2016-10-21
Applicant: JFE STEEL CORPORATION
Inventor： Norihiko Nakamura , Yasuhide Oshima , Junichi Kitagawa , Hiroki Nakamaru , Yoichiro Yamanaka
Abstract: A laminated steel sheet for a both-sided resin-coated container includes a steel sheet, a first polyester resin layer formed on a surface of the steel sheet serving as an inner side of a container after the container is formed, and a second polyester resin layer formed on a surface of the steel sheet serving as an outer side of the container after the container is formed. The first polyester resin layer includes a polyethylene terephthalate content of 95% by weight or more and has a degree of crystallinity in a range of 3% to 25%. The second polyester resin layer includes polyethylene terephthalate and polybutylene terephthalate and has a proportion of polybutylene terephthalate in a range of 40% by weight to 80% by weight.
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公开(公告)号：US09873539B2
公开(公告)日：2018-01-23
申请号：US15118275
申请日：2015-02-17
Applicant: JFE STEEL CORPORATION
Inventor： Yoichiro Yamanaka , Junichi Kitagawa , Hiroki Nakamaru
IPC: B05D1/16 , B05D1/02 , B05D1/28 , B65D1/16 , B05D7/14 , B05D7/00 , B32B1/00 , B32B15/00 , B32B15/04 , B32B15/08 , B32B27/00 , B32B1/02
CPC classification number: B65D1/165 , B05D1/02 , B05D1/28 , B05D7/14 , B05D7/54 , B05D2252/10 , B32B1/00 , B32B1/02 , B32B15/00 , B32B15/04 , B32B15/08 , B32B15/18 , B32B27/00 , B32B27/08 , B32B27/26 , B32B27/34 , B32B27/36 , B32B27/42 , B32B37/04 , B32B37/06 , B32B37/08 , B32B37/206 , B32B2255/00 , B32B2255/06 , B32B2255/205 , B32B2270/00 , B32B2307/4026 , B32B2307/518 , B32B2307/714 , B32B2307/7244 , B32B2307/7246 , B32B2307/732 , B32B2307/75 , B32B2309/02 , B32B2311/30 , B32B2439/00 , B32B2439/66 , B32B2439/70
Abstract: Provided is a resin-coated metal sheet for a container having a resin layer (A) having a multi-layer structure containing polyester as a main component on an inner-surface side of the container when the metal sheet is formed into the container. The resin layer (A) contains terephthalic acid in an amount of 85 mol % or more, the resin layer (A) has at least two layers including an uppermost resin layer (a1) which comes into contact with contents and contains wax compounds in an amount of 0.10 mass % or more and 2.0 mass % or less with respect to the uppermost resin layer (a1), with respect to a Raman band of 1615 cm−1 determined by performing Raman spectroscopy on the uppermost resin layer (a1), the maximum value of the peak intensity ratio (IMD/IND) of peak intensity in a longitudinal direction to peak intensity in a thickness direction is 1.0 or more and 4.0 or less, a thickness of the uppermost resin layer (a1) is 0.5 μm or more and 10 μm or less, and a thickness of the resin layer (A) excluding the thickness of the uppermost resin layer (a1) is 5 μm or more and 20 μm or less.
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3.发明申请LAMINATED METAL SHEET FOR TWO-PIECE CAN AND TWO-PIECE LAMINATED CAN BODY (AS AMENDED) 审中-公开用于两层CAN和两层层压CAN体的层压金属片（如修改）公开(公告)号：US20160009444A1
公开(公告)日：2016-01-14
申请号：US14770640
申请日：2013-12-26
Applicant: JFE STEEL CORPORATION
Inventor： Yusuke Nakagawa , Junichi Kitagawa , Yoichiro Yamanaka , Yoichi Tobiyama
CPC classification number: B65D7/04 , B32B1/00 , B32B1/02 , B32B1/08 , B32B7/00 , B32B7/02 , B32B7/08 , B32B15/00 , B32B15/04 , B32B15/08 , B32B15/09 , B32B27/06 , B32B27/18 , B32B27/36 , B32B2250/00 , B32B2250/03 , B32B2250/40 , B32B2307/536 , B32B2439/00 , B32B2439/66 , B32B2439/70 , B65D25/14
Abstract: A laminated metal sheet for a two-piece can includes: a metal sheet; and first and second polyester resin layers formed on outer and inner face sides of the container, respectively. The first polyester resin layer contains polyethylene terephthalate or a copolymerized polyethylene terephthalate with a content of a copolymerized component of less than 6 mol % in a ratio of 30% to 60% by mass, polybutylene terephthalate or a copolymerized polybutylene terephthalate with a content of a copolymerized component of less than 5 mol % in a ratio of 40% to 70% by mass, and a polyolefinic wax in an amount of 0.01% to 3.0% in outer percentage, the second polyester resin layer is a copolymerized polyethylene terephthalate with a content of a copolymerized component of less than 22 mol %, and residual degrees of orientation of the first and the second polyester resin layers are less than 30%.
Abstract translation: 一种用于两件式罐的层压金属板包括：金属板; 以及分别形成在容器的外表面侧和内侧面上的第一和第二聚酯树脂层。 第一聚酯树脂层含有聚对苯二甲酸乙二醇酯或共聚成分为30摩尔％〜60质量％的共聚成分小于6摩尔％的共聚聚对苯二甲酸乙二醇酯，聚对苯二甲酸丁二醇酯或共聚聚对苯二甲酸丁二醇酯 共聚成分以40〜70质量％的比例小于5摩尔％，外部百分比为0.01〜3.0质量％的聚烯烃蜡，第二聚酯树脂层为共聚聚对苯二甲酸乙二醇酯，含量为 的共聚成分小于22摩尔％，第一和第二聚酯树脂层的残留取向度小于30％。
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公开(公告)号：US20150122812A1
公开(公告)日：2015-05-07
申请号：US14394425
申请日：2013-04-01
Applicant: JFE STEEL CORPORATION
Inventor： Yusuke Nakagawa , Junichi Kitagawa , Yoichiro Yamanaka , Yoichi Tobiyama
CPC classification number: B65D1/12 , B32B1/02 , B32B7/02 , B32B15/09 , B32B15/18 , B32B2250/03 , B32B2307/51 , B32B2307/518 , B32B2307/558 , B32B2307/702 , B32B2307/714 , B32B2311/00 , B32B2367/00 , B32B2439/70 , B65D1/165 , B65D1/40 , Y10T428/2495
Abstract: A laminated metal sheet includes a metal sheet, a first polyester resin layer, and a second polyester resin layer, and the first polyester resin layer contains 30% by mass to 60% by mass of: polyethylene terephthalate; or copolymerized polyethylene terephthalate having a copolymerization component content of less than 6 mol %; and 40% by mass to 70% by mass of polybutylene terephthalate, the second polyester resin layer is copolymerized polyethylene terephthalate having a copolymerization component content of less than 14 mol %, residual orientations of the first and second polyester resin layers are less than 20%, and film thicknesses X and Y of the first and the second polyester resin layers before forming satisfy predetermined conditions.
Abstract translation: 叠层金属板包括金属片，第一聚酯树脂层和第二聚酯树脂层，第一聚酯树脂层含有30质量％〜60质量％的聚对苯二甲酸乙二醇酯; 或共聚成分含量小于6摩尔％的共聚聚对苯二甲酸乙二醇酯; 和40质量％至70质量％的聚对苯二甲酸丁二醇酯，第二聚酯树脂层是共聚成分含量小于14摩尔％的聚对苯二甲酸乙二醇酯，第一和第二聚酯树脂层的残留取向小于20重量％ ，形成前的第一和第二聚酯树脂层的膜厚X和Y满足预定条件。
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公开(公告)号：US20140339123A1
公开(公告)日：2014-11-20
申请号：US14366021
申请日：2012-12-07
Applicant: JFE Steel Corporation
Inventor： Yusuke Nakagawa , Junichi Kitagawa , Yoichiro Yamanaka , Yoichi Tobiyama
Abstract: A first polyester resin layer formed on a surface of a metal sheet to serve as the exterior of a container after being formed into the container contains 30% to 60% by mass of poly-ethylene terephthalate or copolymerized polyethylene terephthalate having a copolymerization component content of less than 6 mol %, and 40% to 70% by mass of polybutylene terephthalate. A second polyester resin layer formed on a surface of the metal sheet to serve as the interior of a container after being formed into the container is copolymerized polyethylene terephthalate having a copolymerization component content of less than 14 mol %. The degree of residual orientation of the first and the second polyester resin layers is in a range of 2% to 50%. The thicknesses of the first and the second polyester resin layers after lamination are not less than 6 μm.
Abstract translation: 在形成容器之后，形成在作为容器外部的金属板的表面上的第一聚酯树脂层含有30重量％〜60质量％的聚对苯二甲酸乙二醇酯或共聚聚对苯二甲酸乙二醇酯，其共聚成分含量为 小于6摩尔％，和40〜70质量％的聚对苯二甲酸丁二醇酯。 共聚成分含量小于14摩尔％的共聚聚对苯二甲酸乙二醇酯，形成在金属板表面上形成容器内部的第二聚酯树脂层。 第一和第二聚酯树脂层的残留取向度在2％至50％的范围内。 层叠后的第一和第二聚酯树脂层的厚度不小于6μm。
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Patent Agency Ranking
公开(公告)号：US12195858B2
公开(公告)日：2025-01-14
申请号：US18256988
申请日：2021-11-29
Applicant: JFE STEEL CORPORATION
Inventor： Takashi Ueno , Yoichiro Yamanaka , Yoshitsugu Suzuki , Masanari Tomozawa , Haruo Nakamichi , Takashi Kawano
Abstract: It is provided a surface-treated steel sheet that can be produced without using hexavalent chromium and has excellent sulfide staining resistance and coating secondary adhesion. It is a surface-treated steel sheet having: a Sn plating layer; a metallic Cr layer disposed on the Sn plating layer; and a Cr oxide layer disposed on the metallic Cr layer, on at least one surface of a steel sheet, and the surface-treated steel sheet has a water contact angle of 50° or less and a total atomic ratio of K, Na, Mg, and Ca adsorbed on the surface to Cr of 5% or less.
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公开(公告)号：US11339491B2
公开(公告)日：2022-05-24
申请号：US16619147
申请日：2018-06-05
Applicant: JFE STEEL CORPORATION
Inventor： Yusuke Nakagawa , Takeshi Suzuki , Mikito Suto , Katsumi Kojima , Yuya Baba , Hanyou Sou , Yoichiro Yamanaka , Shunsuke Tokui
Abstract: A steel sheet for cans which exhibits excellent weldability; and a production method therefor include a steel sheet for cans with the surface of a steel sheet in order from the steel sheet side, a chromium metal layer and a hydrous chromium oxide layer. The deposited amount of the chromium metal layer is 65-200 mg/m2. The deposited amount of the hydrous chromium oxide layer in terms of chromium is 3-30 mg/m2. The chromium metal layer includes: a base part having a thickness of 7.0 nm or higher; and granular protrusions which are on the base part, have a maximum grain size of 100 nm or lower, and have a number density per unit area of at least 200 per μm2.
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公开(公告)号：US10427381B2
公开(公告)日：2019-10-01
申请号：US15553027
申请日：2016-03-31
Applicant: JFE STEEL CORPORATION
Inventor： Norihiko Nakamura , Junichi Kitagawa , Hiroki Nakamaru , Yoichiro Yamanaka
IPC: B32B15/09 , B32B15/18 , B65D1/12 , B65D25/14 , B65D25/34 , B32B27/36 , B65D65/40 , B32B7/00 , B32B7/02 , B32B15/08 , B32B15/20 , B32B1/02 , B65D25/36 , B65D1/09 , B65D1/28 , B29C48/154 , B29C48/21 , C21D9/46 , B29C48/30 , B29C48/305
Abstract: A laminated metal sheet 1 includes a film 3 including a laminated resin layer including at least two layers with polyester as a main component formed on one face or both faces of a metal sheet 2. A polyester resin layer serving as a lower layer 3a in contact with the metal sheet 2 of the laminated resin layer contains 90 mol % or more of terephthalic acid as a polycarboxylic acid component and contains a polyol component containing ethylene glycol and 1,4-butanediol, in which the polyol component contains 30 to 50 mol % of ethylene glycol, 50 to 70 mol % of 1,4-butanediol, and 10 mol % or less of other polyol components. A polyester resin layer serving as an upper layer 3b of the laminated resin layer contains polyester containing terephthalic acid as a polycarboxylic acid component and 1,4-butanediol as a polyol component both of which are 90 mol % or more of the respective components, has a total thickness of 3 to 25 μm, and has a ratio (I011/I100) of peak intensity (I011) observed in the range of 2θ=15.5 degrees to 17.0 degrees to peak intensity (I100) observed in the range of 2θ=22.5 degrees to 24.0 degrees in X-ray diffraction in the range of 0.2 to 5.0.
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公开(公告)号：US09993998B2
公开(公告)日：2018-06-12
申请号：US15117877
申请日：2015-02-17
Applicant: JFE STEEL CORPORATION
Inventor： Yoichiro Yamanaka , Junichi Kitagawa , Hiroki Nakamaru
CPC classification number: B32B15/09 , B05D7/14 , B05D7/54 , B05D2202/10 , B05D2252/10 , B32B27/08 , B32B37/10 , B32B2311/30 , B32B2367/00 , B32B2439/00 , B65D25/14
Abstract: Provided is a resin-coated metal sheet for containers having a resin layer (A) on a side of the metal sheet, the side being a side that will serve as a container inner surface when the metal sheet is formed into a container. The resin layer (A) has a polyester-based multilayer structure. The resin layer (A) contains 85 mol % or more of terephthalic acid. The resin layer (A) includes at least two layers, and an uppermost resin layer (a1), which is to be in contact with contends, contains 0.10 to 2.0 mass % of a wax compound with respect to the uppermost resin layer (a1). The maximum value of the Raman band intensity ratio (I1720/I1615) when measured for the cross section of the uppermost resin layer (a1) by using a laser polarization plane parallel to the surface of the resin layer (a1) is in the range of 0.45 or more and 0.80 or less. The uppermost resin layer (a1) has a thickness of 0.5 μm or more and 10 μm or less. The resin layer (A) excluding the uppermost resin layer (a1) has a thickness of 5 μm or more and 20 μm or less.
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10.发明申请公开(公告)号：US20170008256A1
公开(公告)日：2017-01-12
申请号：US15117877
申请日：2015-02-17
Applicant: JFE STEEL CORPORATION
Inventor： Yoichiro Yamanaka , Junichi Kitagawa , Hiroki Nakamaru
CPC classification number: B32B15/09 , B05D7/14 , B05D7/54 , B05D2202/10 , B05D2252/10 , B32B27/08 , B32B37/10 , B32B2311/30 , B32B2367/00 , B32B2439/00 , B65D25/14
Abstract: Provided is a resin-coated metal sheet for containers having a resin layer (A) on a side of the metal sheet, the side being a side that will serve as a container inner surface when the metal sheet is formed into a container. The resin layer (A) has a polyester-based multilayer structure. The resin layer (A) contains 85 mol % or more of terephthalic acid. The resin layer (A) includes at least two layers, and an uppermost resin layer (a1), which is to be in contact with contends, contains 0.10 to 2.0 mass % of a wax compound with respect to the uppermost resin layer (a1). The maximum value of the Raman band intensity ratio (I1720/I1615) when measured for the cross section of the uppermost resin layer (a1) by using a laser polarization plane parallel to the surface of the resin layer (a1) is in the range of 0.45 or more and 0.80 or less. The uppermost resin layer (a1) has a thickness of 0.5 μm or more and 10 μm or less. The resin layer (A) excluding the uppermost resin layer (a1) has a thickness of 5 μm or more and 20 μm or less.
Abstract translation: 本发明提供一种用于在金属板侧具有树脂层（A）的容器树脂涂覆金属片，该侧面是当金属片形成容器时将用作容器内表面的一侧。 树脂层（A）具有聚酯类多层结构。 树脂层（A）含有85摩尔％以上的对苯二甲酸。 树脂层（A）至少包含两层，与上述接触的最上层树脂层（a1）相对于最上层树脂层（a1）含有0.10〜2.0质量％的蜡化合物， 。 通过使用与树脂层（a1）的表面平行的激光偏振面测量最上层树脂层（a1）的截面时的拉曼带强度比（I1720 / I1615）的最大值在 0.45以上且0.80以下。 最上层的树脂层（a1）的厚度为0.5μm以上且10μm以下。 除了最上层树脂层（a1）以外的树脂层（A）的厚度为5μm以上且20μm以下。
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