公开(公告)号：US10816700B2

公开(公告)日：2020-10-27

申请号：US16060793

申请日：2016-11-25

Applicant: RIKEN TECHNOS CORPORATION

Inventor： Nozomu Washio ,  Taketo Hashimoto

IPC: B32B27/18 ,  B32B27/30 ,  B32B27/08 ,  C09D5/00 ,  G02B1/14 ,  G02B1/18 ,  C09D7/40 ,  C08J7/04 ,  C09D133/10

Abstract: Embodiments provide a hard coat layered film having a first hard coat, a second hard coat, and a transparent resin film layer in order from an outer layer side, the first hard coat including (A) 100 parts by mass of a polyfunctional (meth)acrylate including 20% by mass or more of a tripentaerythritol acrylate, (B) 0.01-7 parts by mass of a water repellent, and (C) 0.01-10 parts by mass of a silane coupling agent, the first hard coat being formed from a coating material not including inorganic particles, and the second hard coat including (A′) 100 parts by mass of a polyfunctional (meth)acrylate and (D) 50-300 parts by mass of inorganic fine particles having an average particle diameter of 1-300 nm. According to at least one embodiment, component (A) may be a mixture of tripentaerythritol acrylate and one or more species selected from the group consisting of dipentaerythritol acrylate, monopentaerythritol acrylate, and polypentaerythritol acrylate.

公开(公告)号：US20200282710A1

公开(公告)日：2020-09-10

申请号：US16463994

申请日：2017-11-07

Applicant: RIKEN TECHNOS CORPORATION

Inventor： Nozomu WASHIO

IPC: B32B27/08 ,  B32B27/18 ,  B32B27/30 ,  B32B27/32 ,  B32B27/36 ,  C08K3/36 ,  C08K5/375 ,  C08K5/544 ,  C08K5/548

Abstract: One embodiment is a hardcoat multilayer film which includes layers, namely, a first hardcoat, a second hardcoat and a transparent resin film sequentially from the surface layer side. The first hardcoat is formed from a coating material that does not contain inorganic particles, while containing 100 parts by mass of (A) a polyfunctional (meth)acrylate, 0.5-20 parts by mass of (B) a compound having two or more secondary thiol groups in each molecule, 0.01-7 parts by mass of (C) a water repellent agent and 0.01-10 parts by mass of (D) a silane coupling agent; and the second hardcoat is formed from a coating material that contains 100 parts by mass of (A) a polyfunctional (meth)acrylate and 30-300 parts by mass of (F) inorganic fine particles having an average particle diameter of 1-300 nm. The polyfunctional (meth)acrylate (A) may contain 20% by mass or more of a tripentaerythritol acrylate. The coating material which forms the first hardcoat may additionally contain 0.1-5 parts by mass of (E) a thiophenyl-based photopolymerization initiator.

公开(公告)号：US20200247973A1

公开(公告)日：2020-08-06

申请号：US16332573

申请日：2017-07-27

Applicant: RIKEN TECHNOS CORPORATION

Inventor： Masataka MORI ,  Yasuhiro ITAGAKI

IPC: C08J7/04 ,  C08J7/046 ,  C08K5/37 ,  C08K5/544 ,  C08K3/013 ,  G02B1/14

Abstract: Embodiments relate to a hard coat laminated film having a first hard coat, a second hard coat, and a transparent resin film layer, where: the first hard coat is formed from paint which contains predetermined amounts of (A) a multifunctional (meth)acrylate, (B) a water repellent, and (C) a silane coupling agent, and which does not contain inorganic particles; and the second hard coat is formed from paint containing predetermined amounts of (D) a polymerizable compound and (E) inorganic fine particles having an average particle size of 1-300 nm. The (D) polymerizable compound contains: (d1) a multifunctional (meth)acrylate having three or more (meth)acryloyl groups in one molecule; (d2) a compound having two or more secondary thiol groups in one molecule; and optionally, (d3) at least one (meth)acrylate selected from the group consisting of a (meth)acrylate having two (meth)acryloyl groups in one molecule, a (meth)acrylate having one (meth)acryloyl group in one molecule, and a urethane(meth)acrylate.

公开(公告)号：US10596795B2

公开(公告)日：2020-03-24

申请号：US15515320

申请日：2015-10-21

Applicant: RIKEN TECHNOS CORPORATION

Inventor： Kazutaka Yufu

IPC: B32B37/10 ,  B32B27/00 ,  B29C65/00 ,  B29C63/04 ,  B32B7/12 ,  B32B27/06 ,  B32B37/06

Abstract: A method for producing a decorative sheet includes the steps of: (α) pressing a thermoplastic resin film (a) on a preheated rotating heating drum, and then pressing a transfer film (b) having a hot-melt adhesive layer, a resin coating, a release coating layer, and a film base material in order such that the hot-melt adhesive layer is positioned in the film (a) side; (β) feeding/supplying a pressed body obtained in the Step (α) between a rotating design-imparting roll and a rotating receiving roll such that the transfer film (b) is positioned in the design-imparting-roll side; and (γ) sequentially passing a laminated sheet obtained in the Step (β) through a first chill roll whose temperature is set to 50° C. to 90° C., and a second chill roll whose temperature is set to a temperature of 20° C. to 70° C. which is lower than the first-chill roll temperature to cool the laminated sheet.

公开(公告)号：US10525682B2

公开(公告)日：2020-01-07

申请号：US15572527

申请日：2016-05-02

Applicant: RIKEN TECHNOS CORPORATION

Inventor： Yoshihiro Zennyoji

IPC: H01B7/08 ,  B32B27/32 ,  C09J123/26 ,  C09J7/24 ,  B32B27/38 ,  C09J123/12 ,  H01B3/42 ,  H01B3/44 ,  H01B7/295

Abstract: Provided is adhesive resin compositions comprising (A) 30 to 70% by mass of an acid-modified polypropylene-based resin; (B) 20 to 60% by mass of a polypropylene-based resin; and (C) 2 to 20% by mass of a copolymer of ethylene and one or more kinds of comonomers selected from the group consisting of vinyl acetate, alkyl methacrylate, and alkyl acrylate, with the proviso that the sum of the percentages of the above component (A), the above component (B), and the above component (C) is 100% by mass.

公开(公告)号：US20190383981A1

公开(公告)日：2019-12-19

申请号：US16473493

申请日：2017-11-29

Applicant: RIKEN TECHNOS CORPORATION

Inventor： Taketo HASHIMOTO

IPC: G02B5/20 ,  G02B1/11 ,  B32B27/08 ,  B32B27/30 ,  B32B27/34 ,  B32B27/36

Abstract: Embodiments relate to a layered film having an antireflection function and an infrared-shielding function. According to at least one embodiment, there is provided a layered film having a heat-ray shielding layer and a low-refractive-index layer in this order on at least one surface of a resin film, where the difference (Rh−Rf) of the refractive index (Rh) of the heat-ray shielding layer and the refractive index (Rf) of the resin film is −0.1 to 0.1, the difference (Rh−RL) of the refractive index (Rh) of the heat-ray shielding layer and the refractive index (RL) of the low-refractive-index layer is 0.05 or greater, and the refractive index (RL) of the low-refractive-index layer is 1.2 to 1.45. The thickness of the heat-ray shielding layer may be 0.1 to 5 μm. The visible-light transmittance of the layered film may be 88% or greater.

公开(公告)号：US20190241731A1

公开(公告)日：2019-08-08

申请号：US16328802

申请日：2017-08-25

Applicant: RIKEN TECHNOS CORPORATION

Inventor： Ryota NAKANISHI

IPC: C08L53/02 ,  B32B27/30 ,  C08K5/14 ,  C08K5/09 ,  B32B15/08 ,  C08J3/00 ,  C08L45/00 ,  C08L23/08 ,  B32B27/32

CPC classification number: C08L53/025 ,  B32B15/08 ,  B32B27/00 ,  B32B27/28 ,  B32B27/302 ,  B32B27/306 ,  B32B27/308 ,  B32B27/325 ,  B32B2250/03 ,  B32B2255/06 ,  B32B2311/24 ,  B32B2439/00 ,  B32B2553/00 ,  C08J3/005 ,  C08J3/24 ,  C08K5/09 ,  C08K5/14 ,  C08L23/0846 ,  C08L45/00 ,  C08L53/02 ,  C08L65/00 ,  C08L2203/16 ,  C08L2205/03 ,  C09D145/00 ,  C09D153/02

Abstract: There are provided a thermoplastic resin composition capable of bonding a cyclic polyolefin-based polymer and an ethylene-vinyl alcohol copolymer with sufficient strength and to provide a laminate using the same.

公开(公告)号：US10369770B2

公开(公告)日：2019-08-06

申请号：US14848735

申请日：2015-09-09

Applicant: RIKEN TECHNOS CORPORATION

Inventor： Yasuhiro Suzuki

IPC: B32B37/00 ,  B32B37/10 ,  B29C65/00 ,  B29C51/16 ,  B29C51/10 ,  B29C53/00 ,  B32B7/12 ,  B29C51/42 ,  B29C51/14 ,  B29K105/00 ,  B29C51/04 ,  B29L31/00 ,  B29L9/00

Abstract: PURPOSE: The present invention provides a molded article which comprises a substrate whose surface is covered with a film, has good appearance, and does not deteriorate in the appearance even in severe environment where the article is actually used, such as high-temperature environment.CONSTITUTION: A molded article comprising a substrate whose surface is partially or wholly covered with a film, wherein the film has an adhesive layer, the adhesive layer is in contact with the substrate and the surface of the substrate, which surface is in contact with the adhesive layer, has a surface roughness (A) of 3 to 20 μm.

公开(公告)号：US20190016863A1

公开(公告)日：2019-01-17

申请号：US16070939

申请日：2017-01-13

Applicant: RIKEN TECHNOS CORPORATION

Inventor： Nozomu WASHIO

IPC: C08J7/04 ,  B32B27/08 ,  B32B27/36 ,  B32B27/28

Abstract: Embodiments provide a hard coat laminate film that has, in order from a surface layer side, layers of a first hard coat and a transparent resin film. According to at least one embodiment, the first hard coat contains (A) 100 parts by mass of a multifunctional (meth)acrylate including 20 mass % or more of tripentaerythritol acrylate, and (B) 0.01-7 parts by mass of a (meth)acryloyl group-containing fluoropolyetherbased water repellent, and is formed from a paint not containing inorganic particles. The thickness of the hard coat laminated film is 5-60 μm. Component (A) may be a mixture of: tripentaerythritol acrylate; and at least one selected from the group consisting of dipentaerythritol acrylate, monopentaerythritol acrylate, and polypentaerythritol acrylate.

公开(公告)号：US10093447B2

公开(公告)日：2018-10-09

申请号：US15118647

申请日：2015-01-26

Applicant: RIKEN TECHNOS CORPORATION

Inventor： Motohiro Shimizu

IPC: B65D5/64 ,  B65D5/22 ,  B65D85/672 ,  B65D5/68 ,  B65D5/42 ,  B65D83/08

Abstract: Embodiments of the invention provide a packing box wherein strength is improved and efficiency of opening, content retrieval, etc. is improved. Embodiments of the invention provide a packing box obtained from an upper cover and a lower box configured from cardboard for accommodating articles therein, in which: the upper cover is obtained from a top board that covers the entire interior of the lower box and side boards that extend vertically downward from each side of the top board and substantially cover the side surfaces of the lower box; and at least one notch is provided on one of the lower edges of the upper cover.