公开(公告)号：US10137660B2

公开(公告)日：2018-11-27

申请号：US14649783

申请日：2013-07-18

Applicant: Denka Company Limited

Inventor： Junpei Fujiwara ,  Tomohiro Osawa ,  Shogo Hoshino ,  Toshio Nagano ,  Atsushi Takei

IPC: B65D51/00 ,  B32B1/02 ,  B32B3/30 ,  B32B27/30 ,  B32B27/20 ,  B32B27/32 ,  B32B27/08 ,  C09D5/16

Abstract: Provided is a water-repellent, thermoplastic resin sheet provided with a textured layer having a microtexture on one surface side, and a water repellent layer formed with an approximately constant thickness on the aforementioned one surface side of the textured layer, wherein at least the surface region on the one surface side of the textured layer is a cross-linked material which maintains the microtexture even after heated drawing, and the water-repellent layer is formed from an olefin copolymer resin containing hydrophobic oxide particles. Also provided is a molded article, such as a molded container, formed by thermoforming the thermoplastic resin sheet.

公开(公告)号：US11904518B2

公开(公告)日：2024-02-20

申请号：US16318874

申请日：2017-07-20

Applicant: Denka Company Limited

Inventor： Junpei Fujiwara ,  Yasushi Hirokawa ,  Tomohiro Osawa

IPC: B32B3/30 ,  B32B27/08 ,  B32B27/00 ,  B29C48/00 ,  B29C48/07 ,  B29C59/04 ,  B32B7/12 ,  B32B3/26 ,  B29C51/10 ,  B29L31/30 ,  B29L31/34 ,  B29L31/00

CPC classification number: B29C48/002 ,  B29C48/07 ,  B29C51/10 ,  B29C59/04 ,  B32B3/26 ,  B32B3/30 ,  B32B7/12 ,  B32B27/00 ,  B32B27/08 ,  B29L2031/3005 ,  B29L2031/3481 ,  B29L2031/712 ,  B32B2250/24 ,  B32B2307/21 ,  B32B2307/732

Abstract: [Problem] The objective of the present invention is to provide a sheet expressing a good tactile sensation and a molded product thereof.
[Solution] A sheet expressing a good tactile sensation and a molded product thereof are provided by configuring a thermoplastic resin sheet having a base layer and hairlike bodies arranged regularly on at least one surface thereof, wherein a continuous phase is formed without a structural boundary between the base layer and the hairlike bodies.

公开(公告)号：US20210130653A1

公开(公告)日：2021-05-06

申请号：US16500265

申请日：2018-04-02

Applicant: DENKA COMPANY LIMITED

Inventor： Junpei Fujiwara ,  Takayuki IWASAKI ,  Yasushi HIROKAWA

IPC: C09J7/29 ,  C09J181/06 ,  B32B27/08 ,  B32B27/28 ,  B32B27/18 ,  B32B27/30 ,  B32B7/12 ,  B32B37/15

Abstract: [Problem] The present invention is to provide: a film which is excellent in film moldability, is also excellent in heat resistance and transparency, and has a small shrinkage factor and a small heating weight loss ratio even under a high-temperature atmosphere; and a heat-resistant adhesive tape comprising the same.
[Solution] A multilayer film having alternately laminated therein one or more layers of each of a substrate layer (A) comprising a sulfone-based resin having a glass transition temperature of 200° C. or more and an adhesive layer (B) comprising a thermoplastic resin having a glass transition temperature of 190° C. or more, and a multilayer film excellent in film moldability, heat resistance, and transparency is obtained due to at least one outermost layer of the multilayer film comprising the adhesive layer (B) and the arithmetic mean surface roughness Ra of a surface of at least one outermost layer of the multilayer film being greater than 0.1 μm and less than 10.0 μm.

公开(公告)号：US12119255B2

公开(公告)日：2024-10-15

申请号：US17793538

申请日：2021-03-08

Applicant: DENKA COMPANY LIMITED

Inventor： Yuko Fukuda ,  Junpei Fujiwara ,  Ryosuke Yanaka

IPC: B32B27/20 ,  B32B27/08 ,  H01L21/683

CPC classification number: H01L21/6836 ,  B32B27/08 ,  B32B27/20 ,  B32B2250/02 ,  B32B2250/24 ,  B32B2260/046 ,  B32B2264/108 ,  B32B2305/30 ,  B32B2313/04 ,  B32B2398/20 ,  B32B2439/02

Abstract: A layered sheet 10 includes a substrate layer 1, and surface layers 2 and 3 configured to be layered on at least one surface of the substrate layer 1. The substrate layer 1 contains a first thermoplastic resin and inorganic fillers. The surface layers 2 and 3 contain a second thermoplastic resin and a conductive material. A content of the inorganic fillers in the substrate layer 1 is 0.3 to 28 mass % based on a total amount of the substrate layer.

公开(公告)号：US11701874B2

公开(公告)日：2023-07-18

申请号：US17604341

申请日：2020-04-16

Applicant: DENKA COMPANY LIMITED

Inventor： Ryosuke Yanaka ,  Junpei Fujiwara

IPC: B32B27/30

CPC classification number: B32B27/30

Abstract: A layered sheet has a substrate layer and surface layers provided on both surfaces of the substrate layer, wherein the surface layers contain 50 to 90 mass % of component (A) defined below and 10 to 50 mass % of component (B) defined below relative to the overall mass of the surface layer; the substrate layer is composed of a vinyl aromatic hydrocarbon resin composition containing monomer units derived from conjugated dienes; and a percentage of the monomer units derived from the conjugated dienes in the substrate layer is 6 to 14 mass % relative to all monomer units in the vinyl aromatic hydrocarbon-based resin composition. Component (A) is a rubber-modified (meth)acrylic acid ester-vinyl aromatic hydrocarbon copolymer in which the percentage of a conjugated diene rubber component is 5 to 25 mass %. Component (B) is a polymeric antistatic agent.

公开(公告)号：US11623424B2

公开(公告)日：2023-04-11

申请号：US16641973

申请日：2018-09-05

Applicant: DENKA COMPANY LIMITED

Inventor： Junpei Fujiwara ,  Shogo Hoshino

IPC: B32B3/30 ,  B29C59/04 ,  B32B27/30 ,  B32B27/34 ,  B32B27/36 ,  B32B27/08 ,  B32B27/32 ,  B32B7/12

Abstract: A sheet expressing a good tactile sensation and a molded product thereof. By configuring a resin sheet including hairlike bodies arranged regularly on at least one surface of an underlayer in which a continuous phase is formed without any structural boundary between the underlayer and the hairlike bodies, and the underlayer and the hairlike bodies have at least partially a crosslinked structure, a molded product expressing a good tactile sensation is obtained.

公开(公告)号：US09908311B2

公开(公告)日：2018-03-06

申请号：US14650131

申请日：2013-07-18

Applicant: DENKA COMPANY LIMITED

Inventor： Junpei Fujiwara ,  Atsushi Takei ,  Tomohiro Osawa

IPC: F16L11/04 ,  B32B27/08 ,  B32B27/18 ,  B32B27/32 ,  C08F110/02 ,  C09K3/18 ,  B32B1/02 ,  B32B3/30

CPC classification number: B32B27/08 ,  B32B1/02 ,  B32B3/30 ,  B32B27/18 ,  B32B27/32 ,  B32B2307/7244 ,  B32B2307/73 ,  B32B2439/70 ,  C08F110/02 ,  C09K3/18

Abstract: Provided is a water-repellent, thermoplastic resin sheet including a textured layer which is formed from a polyethylene resin composition comprising a water repellent agent and which has a microscopic texture on one surface side, wherein at least the surface region of the textured layer is a cross-linked material which maintains the microscopic texture even after heated drawing. Also provided is a molded article, such as a molded container, formed by thermoforming the thermoplastic resin sheet.

公开(公告)号：US12154818B2

公开(公告)日：2024-11-26

申请号：US17793538

申请日：2021-03-08

Applicant: DENKA COMPANY LIMITED

Inventor： Yuko Fukuda ,  Junpei Fujiwara ,  Ryosuke Yanaka

IPC: B32B27/20 ,  B32B27/08 ,  H01L21/683

Abstract: A layered sheet 10 includes a substrate layer 1, and surface layers 2 and 3 configured to be layered on at least one surface of the substrate layer 1. The substrate layer 1 contains a first thermoplastic resin and inorganic fillers. The surface layers 2 and 3 contain a second thermoplastic resin and a conductive material. A content of the inorganic fillers in the substrate layer 1 is 0.3 to 28 mass % based on a total amount of the substrate layer.

公开(公告)号：US12036715B2

公开(公告)日：2024-07-16

申请号：US16961893

申请日：2019-01-23

Applicant: DENKA COMPANY LIMITED

Inventor： Keishi Maeda ,  Junpei Fujiwara

IPC: B29C48/12 ,  B29C48/08 ,  B29C48/13 ,  B29C59/02 ,  B29K21/00 ,  B29K23/00 ,  B29K75/00 ,  B29K101/12 ,  B29L31/00 ,  B29L31/30 ,  B29L31/34 ,  B32B3/26 ,  B32B3/30 ,  B32B27/08 ,  B32B27/32 ,  B32B27/40

CPC classification number: B29C48/12 ,  B29C48/08 ,  B29C48/13 ,  B29C59/02 ,  B32B3/26 ,  B32B3/30 ,  B32B27/08 ,  B32B27/32 ,  B32B27/40 ,  B29K2021/003 ,  B29K2023/00 ,  B29K2075/00 ,  B29K2101/12 ,  B29L2031/3005 ,  B29L2031/3481 ,  B29L2031/712 ,  B32B2439/40 ,  B32B2605/003

Abstract: A resin sheet having hairlike bodies arranged regularly on at least one surface of an underlayer can be manufactured by forming the bodies by: melt extruding, from a die with an extrusion molding method, a thermoplastic resin having, on a log-log graph having elongational viscosity η(t) (unit: Pa·S) as measured at a strain rate of 0.5 (unit: S−1) and at a temperature at which elongation is possible as the vertical axis and elongation time t (unit: S) as the horizontal axis, a region in which the slope (log η/log t) in the interval 0.1