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：US20210292542A1

公开(公告)日：2021-09-23

申请号：US17320276

申请日：2021-05-14

Applicant: KURARAY CO., LTD.

Inventor： Yasushi SENDA ,  Shinya OSHITA

IPC: C08L53/02 ,  B32B17/10 ,  B32B27/30 ,  C08F297/04 ,  C08F8/04 ,  C08F236/04 ,  C08F236/08 ,  C08F236/10

Abstract: Provided is a hydrogenated block copolymer, which is a hydrogenation product of a block copolymer including 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, the hydrogenated block copolymer being satisfied with the following requirements (1) and (2):
Requirement (1): the content of the polymer block (A) in the block copolymer is 1 to 30% by mass; and
Requirement (2): when the polymer block (B) is regarded as having a structure with a hydrogenation rate of 100 mol %, an average value of a methylene chain length of a main chain of the structural unit derived from at least one selected from the group consisting of a conjugated diene compound and isobutylene is 1.0 to 6.0.

公开(公告)号：US20200024441A1

公开(公告)日：2020-01-23

申请号：US16336369

申请日：2017-09-26

Applicant: KURARAY CO., LTD.

Inventor： Yasushi SENDA ,  Shinya OSHITA ,  Yoshiaki ASANUMA

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

Abstract: 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.

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：US20170361575A1

公开(公告)日：2017-12-21

申请号：US15525541

申请日：2015-11-10

Applicant: KURARAY CO., LTD.

Inventor： Takeshi KUSUDOU ,  Takuya KOBAYASHI ,  Shinya OSHITA ,  Taiga YUI ,  Koichiro ISOUE

IPC: B32B17/10 ,  E06B3/67 ,  B32B25/08

CPC classification number: B32B17/10165 ,  B32B17/10036 ,  B32B17/1055 ,  B32B17/10559 ,  B32B17/10577 ,  B32B17/10587 ,  B32B17/10605 ,  B32B17/10724 ,  B32B17/10743 ,  B32B17/10761 ,  B32B17/1077 ,  B32B17/10788 ,  B32B25/042 ,  B32B25/08 ,  B32B2307/102 ,  B32B2307/30 ,  B32B2307/412 ,  B32B2307/542 ,  B32B2307/734 ,  B32B2309/105 ,  B32B2605/006 ,  B60J1/001 ,  B60J1/02 ,  B60J1/08 ,  B60J1/18 ,  B60J7/043 ,  E06B3/66 ,  E06B3/6707 ,  E06B3/6715

Abstract: A first object of the invention is to provide an interlayer film for laminated glass which has excellent sound insulating properties and heat shielding properties, and a laminated glass using the same. Further, a second object of the invention is to provide an interlayer film for laminated glass capable of maintaining the sound insulating properties, weather resistance, and heat creep resistance at a high level even if the thickness is reduced, and a laminated glass using the same.The invention relates to an interlayer film for laminated glass, including at least one layer A containing a thermoplastic elastomer, wherein a laminated glass in which the interlayer film for laminated glass is disposed between two clear glasses with the total thickness of the clear glasses being 4 mm or less has a visible light transmittance of 70% or more and an average transmittance of infrared light in the wavelength range of 800 to 1,100 nm of 72% or less.

公开(公告)号：US20190218389A1

公开(公告)日：2019-07-18

申请号：US16301592

申请日：2017-05-17

Applicant: KURARAY CO., LTD.

Inventor： Yasushi SENDA ,  Shinya OSHITA

IPC: C08L53/02 ,  C08F236/04 ,  C08F236/08 ,  C08F236/10 ,  C08F8/04 ,  B32B17/10 ,  B32B27/30

CPC classification number: C08L53/025 ,  B32B17/10743 ,  B32B17/10761 ,  B32B27/30 ,  B32B27/302 ,  B32B2307/102 ,  C08F8/04 ,  C08F236/045 ,  C08F236/08 ,  C08F236/10 ,  C08F297/04 ,  C08F2800/10 ,  C08L53/02

Abstract: Provided is a hydrogenated block copolymer, which is a hydrogenation product of a block copolymer including 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, the hydrogenated block copolymer being satisfied with the following requirements (1) and (2): Requirement (1): the content of the polymer block (A) in the block copolymer is 1 to 30% by mass; and Requirement (2): when the polymer block (B) is regarded as having a structure with a hydrogenation rate of 100 mol %, an average value of a methylene chain length of a main chain of the structural unit derived from at least one selected from the group consisting of a conjugated diene compound and isobutylene is 1.0 to 6.0.

公开(公告)号：US20180236704A1

公开(公告)日：2018-08-23

申请号：US15753217

申请日：2016-08-12

Applicant: KURARAY CO., LTD.

Inventor： Shinya OSHITA ,  Yosuke JOGO ,  Yoshio HIRAYAMA

IPC: B29C47/38 ,  C08F279/02 ,  C08L23/22 ,  C08L9/00 ,  C08F210/12

CPC classification number: B29C48/395 ,  B29B7/48 ,  B29B7/60 ,  B29B7/726 ,  B29C48/385 ,  B29C48/387 ,  B29C48/388 ,  B29C48/52 ,  C08F2/06 ,  C08F4/48 ,  C08F8/04 ,  C08F210/12 ,  C08F236/08 ,  C08F279/02 ,  C08F297/046 ,  C08F2500/02 ,  C08J3/005 ,  C08J2353/00 ,  C08J2423/22 ,  C08L9/00 ,  C08L23/22 ,  C08L53/025 ,  C08L23/142 ,  C08L23/12 ,  C08F212/08

Abstract: Provided is a method in which a polyisobutylene having a peak top molecular weight (Mp) of 5,000 to 80,000 is easily supplied to a hydrogenated block copolymer to stably produce a thermoplastic polymer composition. Specifically, provided is a method for producing a thermoplastic polymer composition containing a hydrogenated block copolymer (a) and a polyisobutylene (b) having a peak top molecular weight (Mp) of 5,000 to 80,000 expressed in terms of standard polystyrene as determined by gel permeation chromatography, the method including a following first step and a following second step.First step: a step of supplying the polyisobutylene (b) to a twin-screw/single-screw extruder of a counter-rotating type, to plasticize the polyisobutylene (b).Second step: a step including a following step (i) and a following step (ii): (i) a step of supplying the hydrogenated block copolymer (a) to a twin-screw extruder; and (ii) a step of supplying the polyisobutylene (b) plasticized in the first step to the twin-screw extruder via a quantitative pump and kneading the polyisobutylene (b) together with the hydrogenated block copolymer (a) supplied in the step (i).

公开(公告)号：US20160243799A1

公开(公告)日：2016-08-25

申请号：US15025002

申请日：2014-09-24

Applicant: KURARAY CO., LTD.

Inventor： Hiroshi OSHIMA ,  Toshiyuki ZENTO ,  Naoto FUKUHARA ,  Shinya OSHITA

IPC: B32B27/32 ,  B32B27/30 ,  C08L23/08 ,  C08L53/02 ,  C08L33/10 ,  B32B7/12 ,  B32B27/08

CPC classification number: B32B27/32 ,  B32B7/12 ,  B32B27/08 ,  B32B27/302 ,  B32B27/308 ,  B32B2250/03 ,  B32B2250/24 ,  B32B2405/00 ,  B32B2457/00 ,  B32B2457/20 ,  C08L23/0853 ,  C08L33/10 ,  C08L53/02 ,  C08L53/025 ,  C08L2205/03 ,  C08L2205/06 ,  C08L2666/68 ,  C09J7/243 ,  C09J7/385 ,  C09J7/387 ,  C09J133/08 ,  C09J2201/606 ,  C09J2423/103 ,  C09J2433/00 ,  C09J2453/00 ,  C08L33/06 ,  C08L23/0869

Abstract: Provided is a thermoplastic polymer composition containing an aromatic vinyl-based block copolymer (a-1) having a number average molecular weight of 30,000 to 200,000, the aromatic vinyl-based block copolymer containing a polymer block F containing a structural unit derived from an aromatic vinyl-based monomer as a main component and a hydrogenated or non-hydrogenated polymer block G containing a structural unit derived from a conjugated diene monomer or an isobutylene monomer as a main component; an acrylic polymer (a-2); an olefin-based polymer containing polar groups (a-3); and a softening agent (a-4), at the proportions that satisfy the following Expressions (1) to (3): 0.05≦W(a-2)/W(a-1)≦9   (1) 0.1

Abstract translation: 本发明提供含有数均分子量为30,000〜200,000的芳香族乙烯基系嵌段共聚物（a-1）的热塑性聚合物组合物，所述芳香族乙烯基系嵌段共聚物含有含有衍生自芳香族的结构单元的聚合物嵌段F 乙烯基类单体作为主要成分，含有以共轭二烯单体或异丁烯单体为主要成分的结构单元的氢化或非氢化聚合物嵌段G; 丙烯酸类聚合物（a-2）; 含有极性基团的烯烃类聚合物（a-3）; 和软化剂（a-4），按照满足以下表达式（1）〜（3）的比例：0.05≤W（a-2）/ W（a-1）≤9（1）0.1

公开(公告)号：US20210130602A1

公开(公告)日：2021-05-06

申请号：US17085354

申请日：2020-10-30

Applicant: KURARAY CO., LTD.

Inventor： Shinya OSHITA ,  Heith FOSTER

IPC: C08L53/02 ,  C08L23/14

Abstract: 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.

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.