公开(公告)号：US20180340060A1

公开(公告)日：2018-11-29

申请号：US15983932

申请日：2018-05-18

Applicant: KURARAY CO., LTD.

Inventor： Kentaro Yoshida ,  Shinji Tai

IPC: C08L29/04 ,  C08L25/06 ,  C08K5/3492

Abstract: An object is to provide a crosslinkable resin composition capable of forming a crosslinked product that has excellent hot water resistance and bending resistance.The present invention provides a resin composition containing an ethylene-vinyl alcohol copolymer (A), a flexible resin (B), and a crosslinking agent (C) having two or more polymerizable groups, with the crosslinking agent (C) in an amount of 0.5 to 10 parts by mass relative to a total 100 parts by mass of the ethylene-vinyl alcohol copolymer (A) and the flexible resin (B), the flexible resin (B) being a styrene thermoplastic elastomer or an α-olefin polymer, and the resin composition having a mass ratio [(A)/(B)] between the ethylene-vinyl alcohol copolymer (A) and the flexible resin (B) of 90/10 to 65/35.

公开(公告)号：US20150155409A1

公开(公告)日：2015-06-04

申请号：US14407582

申请日：2013-06-12

Applicant: KURARAY CO., LTD.

Inventor： Masakazu Nakaya ,  Noboru Higashida ,  Kentaro Yoshida ,  Ryoichi Sasaki ,  Manabu Shibata ,  Tatsuya Oshita

IPC: H01L31/048 ,  H01L31/18 ,  H01L51/56 ,  H01L33/56 ,  H01L51/52

CPC classification number: H01L31/0481 ,  B32B7/12 ,  B32B27/08 ,  B32B27/30 ,  B32B2255/10 ,  B32B2255/20 ,  B32B2307/712 ,  B32B2307/7242 ,  B32B2307/7246 ,  B32B2457/00 ,  H01L31/049 ,  H01L31/18 ,  H01L33/56 ,  H01L51/5253 ,  H01L51/56 ,  H01L2251/5338 ,  H01L2933/005 ,  Y02E10/50 ,  Y10T428/31855

Abstract: Provided are a novel multilayer structure that can be used to protect a device and a device using the multilayer structure. The disclosed multilayer structure is a multilayer structure including a substrate and a barrier layer stacked on the substrate. The 3% strain tension of the substrate in at least one direction is at least 2000 N/m. The barrier layer contains a reaction product (R). The reaction product (R) is a reaction product formed by a reaction at least between a metal oxide (A) and a phosphorus compound (B). In an infrared absorption spectrum of the barrier layer in a range of 800 to 1400 cm−1, a wavenumber (n1) at which maximum infrared absorption occurs is in a range of 1080 to 1130 cm−1. A metal atom constituting the metal oxide (A) is essentially an aluminum atom.

Abstract translation: 提供了一种新颖的多层结构，其可用于保护装置和使用多层结构的装置。 所公开的多层结构是包括基板和层叠在基板上的阻挡层的多层结构。 衬底在至少一个方向上的3％应变张力为至少2000N / m。 阻挡层含有反应产物（R）。 反应产物（R）是通过至少在金属氧化物（A）和磷化合物（B）之间的反应形成的反应产物。 阻挡层的红外吸收光谱在800〜1400cm -1的范围内，发生最大红外线吸收的波数（n1）为1080〜1130cm -1的范围。 构成金属氧化物（A）的金属原子基本上是铝原子。

公开(公告)号：US20220195159A1

公开(公告)日：2022-06-23

申请号：US17603927

申请日：2019-04-15

Applicant: KURARAY CO., LTD.

Inventor： Kentaro Yoshida ,  Masako Katayama

IPC: C08L23/08 ,  C08K5/09 ,  C08F4/46

Abstract: Provided is an ethylene-vinyl alcohol copolymer with an ethylene unit content of 15 to 60 mol % and a saponification degree of 85 mol % or more.

公开(公告)号：US10544248B2

公开(公告)日：2020-01-28

申请号：US15625474

申请日：2017-06-16

Applicant: KURARAY CO., LTD.

Inventor： Edgard Chow ,  Robert Armstrong ,  Kentaro Yoshida

IPC: B32B1/02 ,  C08F216/06 ,  C08K9/12 ,  C08K9/08 ,  C08K5/29 ,  B32B1/08 ,  C08K9/06 ,  C08K9/04 ,  C08K5/3492 ,  C09J175/04

Abstract: OBJECTAn object is to provide a resin composition capable of forming a crosslinked product that is excellent in hot water resistance and excellent in interlayer adhesiveness when formed into a multilayered structure.SOLUTIONThe resin composition contains an ethylene-vinyl alcohol copolymer (A) and a crosslinking agent (B) with the crosslinking agent (B) in an amount of 0.6 to 15 parts by mass relative to 100 parts by mass of the ethylene-vinyl alcohol copolymer (A), the crosslinking agent (B) being a powder obtained by impregnating a porous body (BS) with a crosslinkable compound (BL) having three or more polymerizable groups and a melting point of no greater than 40° C.

公开(公告)号：US20160096194A1

公开(公告)日：2016-04-07

申请号：US14967823

申请日：2015-12-14

Applicant: KURARAY CO., LTD.

Inventor： Kentaro Yoshida ,  Ryoichi Sasaki ,  Mamoru Omoda ,  Wataru Hirose ,  Manabu Shibata ,  Tatsuya Oshita

IPC: B05D3/00

Abstract: The composite structural material of the present invention includes a base (X) and a layer (Y) stacked on the base (X). The layer (Y) includes a reaction product (R) of a metal oxide (A) and a phosphorus compound (B). In the infrared absorption spectrum of the layer (Y) in the range of 800 to 1400 cm−1, the wave number (n1) at which the infrared absorption reaches maximum is in the range of 1080 to 1130 cm−1.

Abstract translation: 本发明的复合结构材料包括基材（X）和层叠在基材（X）上的层（Y）。 层（Y）包括金属氧化物（A）和磷化合物（B）的反应产物（R）。 在800〜1400cm -1范围内的层（Y）的红外吸收光谱中，红外线吸收达到最大的波数（n1）为1080〜1130cm -1的范围。

公开(公告)号：US12091532B2

公开(公告)日：2024-09-17

申请号：US17603927

申请日：2019-04-15

Applicant: KURARAY CO., LTD.

Inventor： Kentaro Yoshida ,  Masako Katayama

IPC: C08F216/06 ,  C08F4/46 ,  C08K5/09 ,  C08L23/08

CPC classification number: C08L23/0861 ,  C08F4/463 ,  C08K5/09 ,  C08L2201/14 ,  C08L2203/30

Abstract: Provided is an ethylene-vinyl alcohol copolymer with an ethylene unit content of 15 to 60 mol % and a saponification degree of 85 mol % or more.

公开(公告)号：US20230150236A1

公开(公告)日：2023-05-18

申请号：US17920613

申请日：2021-04-22

Applicant: KURARAY CO., LTD.

Inventor： Kentaro Yoshida

IPC: B32B7/02 ,  B32B27/32 ,  B32B27/30 ,  B32B27/34 ,  B32B27/08 ,  C08L31/04 ,  C08L29/04 ,  C08J7/06 ,  C08J7/048 ,  B65D65/40

CPC classification number: B32B7/02 ,  B32B27/32 ,  B32B27/306 ,  B32B27/34 ,  B32B27/08 ,  C08L31/04 ,  C08L29/04 ,  C08J7/06 ,  C08J7/048 ,  B65D65/40 ,  B32B7/12

Abstract: There is provided a multilayer structure comprising at least a barrier resin layer (X) and an inorganic barrier layer (Y) with a thickness of 500 nm or less which is adjacent to the barrier resin layer (X), wherein the layer (X) is made of a resin composition (x) comprising an ethylene-vinyl alcohol copolymer (A) and a polyamide (B) in a mass ratio (A/B) of 55/45 to 98/2, and the ethylene-vinyl alcohol copolymer (A) has an ethylene content of 20 to 46 mol % and a saponification degree of 90 mol % or more. Thus, there can be provided a multilayer structure having excellent gas barrier properties and appearance even after being subjected to stretching process or retorting process followed by bending process, and a packaging material for retort therewith.

公开(公告)号：US10273379B2

公开(公告)日：2019-04-30

申请号：US14765628

申请日：2014-02-07

Applicant: KURARAY CO., LTD.

Inventor： Ryoichi Sasaki ,  Kentaro Yoshida ,  Mamoru Omoda ,  Masakazu Nakaya ,  Hiroyuki Ogi

IPC: C09D143/02 ,  C08F230/02 ,  B32B27/34 ,  B32B27/32 ,  B32B15/08 ,  B32B15/20 ,  B32B27/28 ,  B32B27/06 ,  B32B27/10 ,  B32B27/08 ,  B32B27/36 ,  G02B1/14 ,  B05D7/00

Abstract: A multilayer structure disclosed is a multilayer structure including at least one base (X), at least one layer (Y), and at least one layer (Z). The layer (Y) contains an aluminum atom. The layer (Z) contains a polymer (E) having a plurality of phosphorus atoms. The polymer (E) is a polymer of at least one monomer including a vinylphosphonic acid compound. The multilayer structure includes at least one pair of the layer (Y) and the layer (Z) that are contiguously stacked. The layer (Z) is formed by applying a coating liquid (V) which is a solution of the polymer (E) having a plurality of phosphorus atoms. The multilayer structure disclosed is excellent in gas barrier properties, and can maintain the gas barrier properties at a high level even when subjected to physical stresses such as deformation and impact.

公开(公告)号：US09840630B2

公开(公告)日：2017-12-12

申请号：US14349251

申请日：2012-10-05

Applicant: KURARAY CO., LTD.

Inventor： Ryoichi Sasaki ,  Kentaro Yoshida ,  Mamoru Omoda ,  Wataru Hirose ,  Manabu Shibata ,  Tatsuya Oshita

IPC: B29D22/00 ,  C09D7/12 ,  C09D1/00 ,  C09D105/00 ,  C09D133/02

CPC classification number: C09D7/63 ,  C09D1/00 ,  C09D105/00 ,  C09D133/02 ,  Y10T428/1307 ,  Y10T428/1334 ,  Y10T428/1393

Abstract: A composite structure disclosed includes a base (X) and a layer (Y). The layer (Y) includes a mixture of a metal oxide (A), a phosphorus compound (B), and a compound (La) (silicon compound). Examples of the phosphorus compound (B) and the compound (La) include a compound containing a site capable of reacting with the metal oxide (A). When the number of moles of metal atoms (M) derived from the metal oxide (A) is denoted by NM and the number of moles of Si atoms derived from the compound (La) is denoted by NSi, 0.01≦NSi/NM≦0.30 is satisfied. When the number of moles of phosphorus atoms derived from the phosphorus compound (B) is denoted by NP, 0.8≦NM/NP≦4.5 is satisfied.

公开(公告)号：US20140248449A1

公开(公告)日：2014-09-04

申请号：US14349251

申请日：2012-10-05

Applicant: KURARAY CO., LTD.

Inventor： Ryoichi Sasaki ,  Kentaro Yoshida ,  Mamoru Omoda ,  Wataru Hirose ,  Manabu Shibata ,  Tatsuya Oshita

IPC: C09D7/12

CPC classification number: C09D7/63 ,  C09D1/00 ,  C09D105/00 ,  C09D133/02 ,  Y10T428/1307 ,  Y10T428/1334 ,  Y10T428/1393

Abstract: A composite structure disclosed includes a base (X) and a layer (Y). The layer (Y) includes a mixture of a metal oxide (A), a phosphorus compound (B), and a compound (La) (silicon compound). Examples of the phosphorus compound (B) and the compound (La) include a compound containing a site capable of reacting with the metal oxide (A). When the number of moles of metal atoms (M) derived from the metal oxide (A) is denoted by NM and the number of moles of Si atoms derived from the compound (La) is denoted by NSi, 0.01≦NSi/NM≦0.30 is satisfied. When the number of moles of phosphorus atoms derived from the phosphorus compound (B) is denoted by NP, 0.8≦NM/NP≦4.5 is satisfied.

Abstract translation: 所公开的复合结构包括基底（X）和层（Y）。 层（Y）包括金属氧化物（A），磷化合物（B）和化合物（La）（硅化合物）的混合物。 磷化合物（B）和化合物（La）的实例包括含有能够与金属氧化物（A）反应的位点的化合物。 衍生自金属氧化物（A）的金属原子（M）的摩尔数以NM表示，来自化合物（La）的Si原子的摩尔数由NSi表示，0.01＆nlE; NSi / NM＆lt; nlE; 0.30满足。 当由磷化合物（B）衍生的磷原子的摩尔数用NP表示时，满足0.8＆nlE; NM / NP＆nlE; 4.5。