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    Hydrogenated block copolymer, resin composition, pressure-sensitive adhesive, adhesive, molded object, liquid-packaging container, medical tool, medical tube, corner member for weather seal, and weather seal
    1.
    发明授权
    Hydrogenated block copolymer, resin composition, pressure-sensitive adhesive, adhesive, molded object, liquid-packaging container, medical tool, medical tube, corner member for weather seal, and weather seal 有权

    公开(公告)号：US11279789B2

    公开(公告)日：2022-03-22

    申请号：US17089404

    申请日：2020-11-04

    申请人： KURARAY CO., LTD.

    发明人： Shinya Oshita ,  Yusuke Nojima ,  Mikio Masuda

    IPC分类号： C08F297/04 ,  C08L53/02 ,  C08L23/10 ,  B32B27/06 ,  B32B7/12 ,  C08C19/02 ,  C09J153/02 ,  B32B25/08 ,  B32B27/08 ,  B32B27/32 ,  B65D65/40 ,  C08L23/14 ,  C09J123/14

    摘要： Provided are a hydrogenated block copolymer capable of giving a resin composition having good moldability and sufficient mechanical strength and excellent in flexibility, kink resistance and transparency and also excellent in pressure sensitive adhesiveness, adhesiveness and weather resistance, and a resin composition containing the hydrogenated block copolymer, as well as a pressure sensitive adhesive, an adhesive, a molded article, a liquid-packaging container, a medical tool, a medical tube, a corner member for weather seal, and a weather seal that are produced using these. Specifically, the hydrogenated block copolymer is a hydrogenated block copolymer prepared by hydrogenating a block copolymer that contains at least a polymer block (A) consisting mainly of a structural unit derived from an aromatic vinyl compound, and a polymer block (B) consisting mainly of a structural unit derived from isoprene, a structural unit derived from butadiene, or a structural unit derived from a mixture of isoprene and butadiene, wherein the content of the polymer block (A) is 1% by mass or more and less than 5% by mass relative to the total amount of the hydrogenated block copolymer, the total content of the 1,2-bond and the 3,4-bond of the polymer block (B) is 30 to 85 mol %, the hydrogenation rate of the polymer block (B) is 80 mol % or more, and the weight average molecular weight of the hydrogenated block copolymer is 150,000 to 800,000.

    ACRYLIC PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND PRESSURE-SENSITIVE ADHESIVE PRODUCTS
    7.
    发明申请
    ACRYLIC PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND PRESSURE-SENSITIVE ADHESIVE PRODUCTS 有权
    丙烯酸压敏粘合剂组合物和压敏胶粘剂产品

    公开(公告)号：US20150284596A1

    公开(公告)日：2015-10-08

    申请号：US14395893

    申请日：2013-04-24

    申请人： KURARAY CO., LTD.

    发明人： Kanayo Nakada ,  Yoshihiro Morishita ,  Shinya Oshita

    IPC分类号： C09J7/02 ,  G09F3/10

    CPC分类号： C09J7/385 ,  B32B27/00 ,  B32B27/30 ,  C08F297/026 ,  C09J7/20 ,  C09J7/387 ,  C09J153/00 ,  C09J2201/606 ,  C09J2203/334 ,  C09J2205/114 ,  C09J2433/00 ,  C09J2453/00 ,  G09F3/10 ,  Y10T428/2891

    摘要： There are provided a pressure-sensitive adhesive composition which is excellent in durability, whitening resistance, hot-melt processability, pressure-sensitive adhesion properties, holding power at high temperatures, heat resistance, weathering resistance, compatibility with tackifying resins, low-temperature properties and transparency, is excellent also in balance of these properties and rarely suffers adhesion acceleration, and pressure-sensitive adhesive products using the pressure-sensitive adhesive composition. The pressure-sensitive adhesive composition comprises an acrylic block copolymer (I) having a polymer block (A) comprising methacrylic acid ester units and a polymer block (B) comprising acrylic acid ester units which are derived from an acrylic acid ester (1) represented by the general formula CH2═CH—COOR1 (1) (wherein R1 is an organic group of 4 to 6 carbon atoms) and an acrylic acid ester (2) represented by the general formula CH2═CH—COOR2 (2) (wherein R2 is an organic group of 7 to 12 carbon atoms), the mass ratio (1)/(2) of said acrylic acid ester (1) to said acrylic acid ester (2) being 65/35 to 20/80.

    摘要翻译： 提供了耐久性，耐美白性，热熔加工性，压敏粘合性，高温保持力，耐热性，耐候性，与增粘树脂的相容性，低温性能优异的粘合剂组合物 透明性也优异，在这些性能的平衡上也很少受到粘合加速，以及使用该压敏粘合剂组合物的压敏粘合剂产品。 压敏粘合剂组合物包含具有包含甲基丙烯酸酯单元的聚合物嵌段（A）的丙烯酸嵌段共聚物（I）和由丙烯酸酯单元衍生的聚合物嵌段（B），所述丙烯酸酯单元来自表示的丙烯酸酯 通式CH 2 = CH-COOR 1（1）（其中R 1为4至6个碳原子的有机基团）和由通式CH 2 = CH-COOR 2（2）表示的丙烯酸酯（2）（其中R 2 是7〜12个碳原子的有机基团），所述丙烯酸酯（1）与所述丙烯酸酯（2）的质量比（1）/（2）为65/35〜20/80。

    Thermoplastic elastomer composition
    8.
    发明授权
    Thermoplastic elastomer composition 有权

    公开(公告)号：US11566129B2

    公开(公告)日：2023-01-31

    申请号：US17085354

    申请日：2020-10-30

    申请人： KURARAY CO., LTD.

    发明人： Shinya Oshita ,  Heith Foster

    IPC分类号： C08L53/02 ,  C08L9/06 ,  C08L23/14 ,  C08K5/103 ,  C08K5/01

    摘要： A thermoplastic elastomer composition possessing a good combination of elastic recovery, tear strength at 25° C., stress relaxation and reduced (improved) anisotropy, which is based on a hydrogenated block copolymer (A), a thermoplastic resin (B), a rubber softener (C) and a polyolefin elastomer (D), of specified types and proportions, and which is suitable for use in a variety of film and sheet applications.

    HYDROGENATED BLOCK COPOLYMER, RESIN COMPOSITION, PRESSURE-SENSITIVE ADHESIVE, ADHESIVE, MOLDED OBJECT, LIQUID-PACKAGING CONTAINER, MEDICAL TOOL, MEDICAL TUBE, CORNER MEMBER FOR WEATHER SEAL, AND WEATHER SEAL
    9.
    发明申请
    HYDROGENATED BLOCK COPOLYMER, RESIN COMPOSITION, PRESSURE-SENSITIVE ADHESIVE, ADHESIVE, MOLDED OBJECT, LIQUID-PACKAGING CONTAINER, MEDICAL TOOL, MEDICAL TUBE, CORNER MEMBER FOR WEATHER SEAL, AND WEATHER SEAL 有权

    公开(公告)号：US20210122868A1

    公开(公告)日：2021-04-29

    申请号：US17089404

    申请日：2020-11-04

    申请人： KURARAY CO., LTD.

    发明人： Shinya Oshita ,  Yusuke Nojima ,  Mikio Masuda

    IPC分类号： C08F297/04 ,  C08L53/02 ,  C08L23/10 ,  B32B27/06 ,  B32B7/12 ,  C08C19/02 ,  C09J153/02 ,  B32B25/08 ,  B32B27/08 ,  B32B27/32 ,  B65D65/40 ,  C08L23/14 ,  C09J123/14

    摘要： Provided are a hydrogenated block copolymer capable of giving a resin composition having good moldability and sufficient mechanical strength and excellent in flexibility, kink resistance and transparency and also excellent in pressure sensitive adhesiveness, adhesiveness and weather resistance, and a resin composition containing the hydrogenated block copolymer, as well as a pressure sensitive adhesive, an adhesive, a molded article, a liquid-packaging container, a medical tool, a medical tube, a corner member for weather seal, and a weather seal that are produced using these. Specifically, the hydrogenated block copolymer is a hydrogenated block copolymer prepared by hydrogenating a block copolymer that contains at least a polymer block (A) consisting mainly of a structural unit derived from an aromatic vinyl compound, and a polymer block (B) consisting mainly of a structural unit derived from isoprene, a structural unit derived from butadiene, or a structural unit derived from a mixture of isoprene and butadiene, wherein the content of the polymer block (A) is 1% by mass or more and less than 5% by mass relative to the total amount of the hydrogenated block copolymer, the total content of the 1,2-bond and the 3,4-bond of the polymer block (B) is 30 to 85 mol %, the hydrogenation rate of the polymer block (B) is 80 mol % or more, and the weight average molecular weight of the hydrogenated block copolymer is 150,000 to 800,000.

    Resin composition, pellet, veil, damping material, sound insulation material, and intermediate film for laminated glass
    10.
    发明授权
    Resin composition, pellet, veil, damping material, sound insulation material, and intermediate film for laminated glass 有权

    公开(公告)号：US10913843B2

    公开(公告)日：2021-02-09

    申请号：US16336369

    申请日：2017-09-26

    申请人： KURARAY CO., LTD.

    发明人： Yasushi Senda ,  Shinya Oshita ,  Yoshiaki Asanuma

    IPC分类号： C08L53/02 ,  B32B17/10 ,  C08F297/04 ,  G10K11/162

    摘要： Provided are a resin composition, a pellet, a veil, a vibration damping material, a sound insulator, and an intermediate film for laminated glass, each of which is much more excellent in damping properties. Specifically, the resin composition is a resin composition containing the following block copolymer or hydrogenation product thereof (X); and a tackifier resin (Y) having a glass transition temperature of −50 to 45° C., wherein when a glass transition temperature of a polymer block (B) of the block copolymer or hydrogenation product thereof (X) is designated as Tg(X), and a glass transition temperature of the tackifier resin (Y) is designated as Tg(Y), an absolute value of a difference between Tg(X) and Tg(Y) is 50° C. or lower, the block copolymer or hydrogenation product thereof (X) being a block copolymer or a hydrogenation product thereof having a polymer block (A) containing more than 70 mol % of a structural unit derived from an aromatic vinyl compound and a polymer block (B) containing 30 mol % or more of a structural unit derived from at least one selected from the group consisting of a conjugated diene compound and isobutylene, and the content of the polymer block (A) in the block copolymer being 25% by mass or less.