公开(公告)号：US20170042766A1

公开(公告)日：2017-02-16

申请号：US15118673

申请日：2015-09-03

Applicant: KURARAY CO., LTD.

Inventor： Yusuke NOJIMA ,  Yusuke TANAKA ,  Yosuke JOGO ,  Shinya OSHITA

IPC: A61J1/14 ,  B65D65/40 ,  C08J5/18 ,  B32B25/12 ,  B32B27/30 ,  B32B27/32 ,  B32B25/08 ,  B32B25/16 ,  A61J1/10 ,  B32B27/08

CPC classification number: C08J5/18 ,  A61J1/00 ,  A61J1/05 ,  A61J1/10 ,  A61J1/1468 ,  B32B1/02 ,  B32B25/08 ,  B32B25/12 ,  B32B25/16 ,  B32B27/08 ,  B32B27/302 ,  B32B27/32 ,  B32B2250/242 ,  B32B2307/7265 ,  B32B2439/46 ,  B32B2553/00 ,  B65D65/40 ,  C08J2323/12 ,  C08J2323/14 ,  C08J2453/02 ,  C08L23/12 ,  C08L23/14 ,  C08L2203/02 ,  C08L2203/16 ,  C08L2205/02 ,  Y10T428/1393 ,  C08L53/025

Abstract: A film for a liquid packaging container, comprising at least one of a layer containing a resin composition (X) containing a polypropylene resin (a) and at least one of a hydrogenated block copolymer (b), the hydrogenated block copolymer (b) being a hydrogenated product of a block copolymer containing a polymer block (A) mainly containing an aromatic vinyl compound unit, and a polymer block (B) mainly containing an isoprene (Ip) unit, a butadiene (Bd) unit, or isoprene (Ip) and butadiene (Bd) units, in the resin composition (X), the hydrogenated block copolymer (b) having a phase separation structure having formed therein both (i) an island phase having a long axis of 1 μm or more, or a bicontinuous structure, and (ii) an island phase having a long axis of 300 nm or less, and in the resin composition (X), the mass ratio ((a)/((a)+(b))) of the polypropylene resin (a) and the hydrogenated block copolymer (b) being from 61/100 to 95/100.

Abstract translation: 一种液体包装容器用薄膜，其含有含有聚丙烯树脂（a）的树脂组合物（X）和氢化嵌段共聚物（b），氢化嵌段共聚物（b）中的至少一种为氢化嵌段共聚物 含有主要含有芳族乙烯基化合物单元的聚合物嵌段（A）和主要含有异戊二烯（Ip）单元，丁二烯（Bd）单元或异戊二烯（Ip））的聚合物嵌段（B）的嵌段共聚物的氢化产物， 和丁二烯（Bd）单元，在树脂组合物（X）中，具有相分离结构的氢化嵌段共聚物（b），其中形成有（i）长轴为1μm以上的岛相或双连续 结构，（ii）长轴为300nm以下的岛相，在树脂组合物（X）中，聚丙烯树脂的质量比（（a）/（（a）+（b））） （a）和氢化嵌段共聚物（b）为61/100〜95/100。

公开(公告)号：US20180030195A1

公开(公告)日：2018-02-01

申请号：US15552733

申请日：2016-02-23

Applicant: KURARAY CO., LTD.

Inventor： Shinya OSHITA ,  Yusuke NOJIMA ,  Mikio MASUDA

IPC: C08F297/04 ,  C09J123/14 ,  B65D65/40 ,  C09J153/02 ,  B32B27/08 ,  B32B27/32 ,  C08L23/14 ,  C08L53/02

CPC classification number: C08F297/046 ,  B32B27/06 ,  B32B27/08 ,  B32B27/32 ,  B32B2250/03 ,  B32B2439/00 ,  B65D65/40 ,  C08C19/02 ,  C08F297/04 ,  C08L23/10 ,  C08L23/14 ,  C08L53/02 ,  C08L53/025 ,  C09J123/14 ,  C09J153/02 ,  C09J153/025 ,  C08L23/12 ,  C08L51/06 ,  C08L23/06

Abstract: 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.

公开(公告)号：US20210277224A1

公开(公告)日：2021-09-09

申请号：US17256513

申请日：2019-06-28

Applicant: KURARAY CO., LTD.

Inventor： Naoto TAKAHASHI ,  Yusuke NOJIMA

IPC: C08L53/02 ,  C08F8/04 ,  C08F136/06 ,  C08F136/08 ,  C08F112/08 ,  C08L23/12 ,  C08L23/16 ,  C08L23/14 ,  B32B27/08

Abstract: A hydrogenated block copolymer containing polymer blocks (A1) and (A2) each mainly containing an aromatic vinyl compound-derived structural unit and polymer blocks (B) and (C) each mainly containing a conjugated diene compound-derived structural unit, at least one of the polymer blocks (B) and (C) being present between the polymer blocks (A1) and (A2), the hydrogenated block copolymer having a total content of the polymer blocks (A1) and (A2) of 5 to 30% by mass, a 3,4-bond and 1,2-bond content in the polymer block (B) of 1 to 40% by mole, a 3,4-bond and 1,2-bond content in the polymer block (C) of 50 to 100% by mole, and a mass ratio [(C)/{(B)±(C)} of the polymer block (C) to the sum of the polymer blocks (B) and (C) of 26/100 to 63/100.

公开(公告)号：US20190077947A1

公开(公告)日：2019-03-14

申请号：US16084535

申请日：2017-03-16

Applicant: KURARAY CO., LTD.

Inventor： Yusuke NOJIMA ,  Hajime TAKAGI ,  Shinya OSHITA

IPC: C08L23/16 ,  C08L23/12 ,  C08L53/02 ,  B65D65/40 ,  B65D75/58 ,  A61J1/10

Abstract: Described herein is a resin composition capable of giving a liquid-packaging container satisfying both high flexibility and low-temperature impact resistance, excellent in low-temperature heat seal strength an also excellent in bag-breakage strength; a heat sealing agent and a film for liquid-packaging container containing the resin composition; a liquid-packaging container formed of the film for liquid-packaging container; a liquid-packaging container and a liquid discharge member obtained using the resin composition; and a medical container having the liquid-packaging container.

公开(公告)号：US20170218147A1

公开(公告)日：2017-08-03

申请号：US15488063

申请日：2017-04-14

Applicant: KURARAY CO., LTD.

Inventor： Yusuke NOJIMA ,  Yusuke TANAKA ,  Yosuke JOGO ,  Shinya OSHITA

IPC: C08J5/18 ,  A61J1/14 ,  B32B27/32 ,  B32B1/02 ,  B32B27/08 ,  A61J1/10 ,  B65D65/40

CPC classification number: C08J5/18 ,  A61J1/00 ,  A61J1/05 ,  A61J1/10 ,  A61J1/1468 ,  B32B1/02 ,  B32B25/08 ,  B32B25/12 ,  B32B25/16 ,  B32B27/08 ,  B32B27/302 ,  B32B27/32 ,  B32B2250/242 ,  B32B2307/7265 ,  B32B2439/46 ,  B32B2553/00 ,  B65D65/40 ,  C08J2323/12 ,  C08J2323/14 ,  C08J2453/02 ,  C08L23/12 ,  C08L23/14 ,  C08L2203/02 ,  C08L2203/16 ,  C08L2205/02 ,  Y10T428/1393 ,  C08L53/025

Abstract: A film for a liquid packaging container, comprising at least one of a layer containing a resin composition (X) containing a polypropylene resin (a) and at least one of a hydrogenated block copolymer (b), the hydrogenated block copolymer (b) being a hydrogenated product of a block copolymer containing a polymer block (A) mainly containing an aromatic vinyl compound unit, and a polymer block (B) mainly containing an isoprene (Ip) unit, a butadiene (Bd) unit, or isoprene (Ip) and butadiene (Bd) units, in the resin composition (X), the hydrogenated block copolymer (b) having a phase separation structure having formed therein both (i) an island phase having a long axis of 1 μm or more, or a bicontinuous structure, and (ii) an island phase having a long axis of 300 nm or less, and in the resin composition (X), the mass ratio ((a)/((a)+(b))) of the polypropylene resin (a) and the hydrogenated block copolymer (b) being from 61/100 to 95/100.

公开(公告)号：US20160287474A1

公开(公告)日：2016-10-06

申请号：US15034749

申请日：2015-04-08

Applicant: KURARAY CO., LTD.

Inventor： Yusuke TANAKA ,  Yosuke JOGO ,  Yusuke NOJIMA ,  Shinya OSHITA

IPC: A61J1/14 ,  A61J1/10

CPC classification number: A61J1/1468 ,  A61J1/10 ,  B32B27/08 ,  B32B27/30 ,  B32B27/302 ,  B32B27/32 ,  B32B2250/246 ,  B32B2270/00 ,  B32B2274/00 ,  B32B2307/308 ,  B32B2307/31 ,  B32B2307/402 ,  B32B2307/54 ,  B32B2307/546 ,  B32B2307/558 ,  B32B2307/5825 ,  B32B2307/732 ,  B32B2439/46 ,  B32B2439/70 ,  B32B2439/80

Abstract: Provided is a liquid packaging container having satisfactory flexibility and transparency, high heat-seal strength, high bag-breaking strength at normal temperature and low temperatures, and low (inner layer)-(inner layer) adhesiveness, which are properties important for liquid packaging containers for medical use. Specifically, provided is a liquid packaging container formed from a laminate of at least three layers including an inner layer formed from a resin composition (Y) as described below, an intermediate layer, and an outer layer formed from a resin composition (Z) as described below, the intermediate layer being formed from a resin composition (X) as described below: resin composition (X): a resin composition including 100 parts by mass of a polypropylene-based resin (1), 5 parts by mass to 95 parts by mass of a particular thermoplastic elastomer (2), and 10 parts by mass to 95 parts by mass of a particular ethylene-α-olefin copolymer (3); resin composition (Y): a resin composition including 100 parts by mass of a polypropylene-based resin (1′), and 5 parts by mass to 250 parts by mass of a particular thermoplastic elastomer (2′) (provided that a particular ethylene-α-olefin copolymer is not included or, if included, the content of the copolymer is less than 10 parts by mass); and resin composition (Z): a resin composition including 100 parts by mass of a polypropylene-based resin (1″), and 0 parts by mass to 35 parts by mass of a particular thermoplastic elastomer (2″).

Abstract translation: 本发明提供一种液体包装容器，具有良好的柔软性和透明性，高的热封强度，常温和低温下的破碎强度以及低（内层） - （内层）粘附性，这对于液体包装是重要的 医疗用容器 具体地说，提供一种液体包装容器，它是由至少三层的叠层形成的，其中包括由下述树脂组合物（Y）形成的内层，中间层和由树脂组合物（Z）形成的外层 中间层由如下所述的树脂组合物（X）形成：树脂组合物（X）：包含100质量份聚丙烯类树脂（1）的树脂组合物，5质量份〜95份 的特定的热塑性弹性体（2）和10质量份〜95质量份的特定的乙烯-α-烯烃共聚物（3）; 树脂组合物（Y）：包含100质量份聚丙烯类树脂（1'）和5质量份〜250质量份特定热塑性弹性体（2'）的树脂组合物（条件是特定的乙烯 - 不包括α-烯烃共聚物，或者如果包括共聚物的含量小于10质量份）。 和树脂组合物（Z）：包含100质量份聚丙烯类树脂（1“）和0质量份〜35质量份特定热塑性弹性体（2”）的树脂组合物。