公开(公告)号：US10858488B2

公开(公告)日：2020-12-08

申请号：US16098365

申请日：2017-05-24

Applicant: KURARAY CO., LTD.

Inventor： Kaori Maeda ,  Noboru Higashida ,  Takao Hoshiba

IPC: C08J5/18 ,  C08L51/06 ,  C08L101/00 ,  G02B5/30 ,  B32B27/30 ,  C08L33/08 ,  C08L33/12 ,  C08L51/04 ,  C09J201/02

Abstract: Provided is a thermoplastic resin composition that can be firmly bonded to an adherend with an active energy ray-curable adhesive provided therebetween, and provided are a molded product and a film each including such a thermoplastic resin composition. Also provided are a thermoplastic resin composition that is less likely to be whitened even when the adhesive permeates thereinto and a molded product and a film each including such a thermoplastic resin composition. The thermoplastic resin composition according to the present disclosure contains 70 to 95 mass % of a thermoplastic resin and 5 to 30 mass % of a multilayer structure polymer (C) having a multilayer particle structure, and the multilayer structure polymer (C) has a median diameter Da of no less than 200 nm and less than 500 nm when the median diameter Da is measured through a laser diffraction/scattering technique with the thermoplastic resin composition dissolved in acetone.

公开(公告)号：US10329394B2

公开(公告)日：2019-06-25

申请号：US15554946

申请日：2016-03-03

Applicant: KURARAY CO., LTD.

Inventor： Jumpei Kodera ,  Kaori Maeda ,  Noboru Higashida

IPC: C08L33/12 ,  C08L53/00 ,  C08J5/18 ,  B29C48/08 ,  C08F120/14 ,  C08F297/02 ,  B29K33/00 ,  C23C14/02 ,  C23C14/20

Abstract: A resin composite, a method of producing the resin composite, a molded product, a film, and an article excellent in impact resistance are provided. The resin composite contains a methacrylic resin (A), which contains no less than 80% by mass of a structural unit derived from methyl methacrylate and has a melt viscosity η(A) of 1500 to 3500 Pa·s at 220° C. and a shear rate of 122/sec, and a triblock copolymer (B), which has a methacrylic acid ester polymer block (b2) coupled to each of two ends of an acrylic acid ester polymer block (b1), at a specific ratio. The triblock copolymer (B) includes the block (b1) and the block (b2) at a specific ratio and has a melt viscosity η(B) of 75 to 1500 Pa·s at 220° C. and a shear rate of 122/sec. The ratio of η(A)/η(B) is from 1 to 20.

公开(公告)号：US10290756B2

公开(公告)日：2019-05-14

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: B32B7/12 ,  H01L31/048 ,  H01L31/049 ,  H01L31/18 ,  H01L33/56 ,  H01L51/52 ,  H01L51/56 ,  B32B27/08 ,  B32B27/30

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.

公开(公告)号：US10385201B2

公开(公告)日：2019-08-20

申请号：US15562040

申请日：2016-03-31

Applicant: KURARAY CO., LTD.

Inventor： Jumpei Kodera ,  Kaori Maeda ,  Noboru Higashida

IPC: C08F220/14 ,  C08L33/12 ,  C23C28/02 ,  F21V8/00 ,  G02B1/04 ,  B32B27/18 ,  B32B27/30 ,  C08J5/18 ,  C08K5/3492 ,  C08L33/10 ,  C08L53/00

Abstract: A resin composite that excels in weatherability and transparency and experiences less bleed out and whitening at a high temperature, and a method for producing the resin composite, and the like are provided. Specifically, the resin composite includes: a methacrylic resin (A) that contains a structural unit derived from methyl methacrylate and that has a melt viscosity η(A) of 1,500 to 3,500 Pa·s; and a block copolymer (B) in which a methacrylic acid ester polymer block (b2) is coupled to an acrylic acid ester polymer block (b1). The block copolymer (B) has a melt viscosity η(B) of 75 to 1,500 Pa·s. A ratio η(A)/η(B) is from 1 to 20. 0.1 to 3 parts by mass of a hydroxy phenyl triazine-based UV absorber is contained in 100 parts by mass of the total of the methacrylic resin (A) and the block copolymer (B).

公开(公告)号：US20150251391A1

公开(公告)日：2015-09-10

申请号：US14432557

申请日：2013-10-03

Applicant: KURARAY CO., LTD.

Inventor： Takuya Tsujimoto ,  Wataru Tsuji ,  Noboru Higashida ,  Toshiyuki Iguchi

IPC: B32B27/08 ,  B29C47/06 ,  B32B27/22 ,  B32B27/42 ,  B32B27/28

CPC classification number: B32B27/08 ,  B29C48/21 ,  B29K2029/14 ,  B29K2033/08 ,  B29K2105/0038 ,  B32B27/22 ,  B32B27/28 ,  B32B27/306 ,  B32B27/308 ,  B32B27/42 ,  B32B2250/02 ,  B32B2250/24 ,  B32B2307/412 ,  B32B2307/536 ,  B32B2307/558 ,  B32B2307/712 ,  Y10T428/24967 ,  Y10T428/31786 ,  Y10T428/31859

Abstract: A problem to be solved by the invention is providing a laminate sheet which is made of a polyvinyl acetal resin and a methacrylic resin and has excellent transparency, impact resistance, surface hardness, weatherability, moldability, surface smoothness, and the like, and providing a surface protective sheet having excellent adhesion properties with respect to various types of resins and substrates. The problem can be solved by a laminate sheet including at least one polyvinyl acetal resin layer and at least one methacrylic resin layer which is in close contact with the polyvinyl acetal resin layer, the number of carbon atoms of an acetal moiety per 100 carbon atoms which constitute a main chain of the polyvinyl acetal resin being in a range from 30 to 70 and an average degree of polymerization of the polyvinyl acetal resin being in a range from 500 to 2000.

Abstract translation: 本发明要解决的问题是提供一种由聚乙烯醇缩醛树脂和甲基丙烯酸系树脂制成的层压片，具有优异的透明性，耐冲击性，表面硬度，耐候性，成型性，表面平滑性等， 表面保护片相对于各种树脂和基材具有优异的粘合性。 该问题可以通过包括至少一个聚乙烯醇缩醛树脂层和至少一个与聚乙烯醇缩醛树脂层紧密接触的甲基丙烯酸树脂层，每100个碳原子的缩醛部分的碳原子数 构成聚乙烯醇缩醛树脂的主链在30〜70的范围内，聚乙烯醇缩醛树脂的平均聚合度在500〜2000的范围。

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。