公开(公告)号：US12043775B2

公开(公告)日：2024-07-23

申请号：US16345519

申请日：2017-08-28

Applicant: RIKEN TECHNOS CORPORATION

Inventor： Hitomi Inomata ,  Takio Wakugawa

IPC: C09J7/38 ,  B32B7/12 ,  B32B27/00 ,  B32B27/30 ,  C09J7/24 ,  C09J133/00 ,  C09J133/10 ,  C09J175/04

CPC classification number: C09J7/38 ,  B32B7/12 ,  B32B27/00 ,  B32B27/30 ,  B32B27/304 ,  C09J7/245 ,  C09J133/00 ,  C09J133/10 ,  C09J175/04 ,  B32B2333/12 ,  B32B2607/02

Abstract: In one embodiment, there is provided an adhesive film having (α) a layer of polyvinyl chloride resin film and (β) an adhesive layer in the stated order from the surface-layer side, where the (β) adhesive layer is formed from an adhesive including: (A) 100 parts by mass of an acrylic polymer that satisfies the features (a1) and (a2), specifically (a1) an acid value of 18-27 mg KOH/g, and (a2) a mass-average molecular weight of 500,000 to 1,000,000; and (B) 0.1-3 parts by mass of a compound having two or more isocyanate groups per molecule. In another embodiment, there is provided an adhesive film having (α) a layer of polyvinyl chloride resin film and (β) an adhesive layer in the stated order from the surface-layer side, where the (β) adhesive layer has a tackiness of 12-25 N at a surface temperature of 5° C. and has a tackiness of 12-23 N at a surface temperature of 35° C.

公开(公告)号：US11459489B2

公开(公告)日：2022-10-04

申请号：US15999881

申请日：2016-03-01

Applicant: RIKEN TECHNOS CORPORATION

Inventor： Shoko Nakajima ,  Hitomi Inomata

IPC: C09J7/38 ,  C09J7/20 ,  C08K5/56 ,  C09J11/06 ,  B32B7/12 ,  B32B17/10 ,  B32B27/08

Abstract: According to at least one embodiment, there is provided a pressure-sensitive adhesive which includes 100 parts by mass of (A) an acrylic polymer having a glass transition temperature of −50 to −25° C., 0.01-3 parts by mass of (B) a silane coupling agent having an epoxy group, 0.01-0.9 parts by mass of (C) a compound having two or more epoxy groups in the molecule, and 0.01-0.5 parts by mass of (D) an organic polyvalent-metal compound. Another embodiment is a decorative sheet which includes a layer including the pressure-sensitive adhesive. Other embodiments include the front panel of a door for opening/closing a front part of an article main body, which includes a layer including the pressure-sensitive adhesive.

公开(公告)号：US11774166B2

公开(公告)日：2023-10-03

申请号：US17557414

申请日：2021-12-21

Applicant: RIKEN TECHNOS CORPORATION

Inventor： Nozomu Washio ,  Taketo Hashimoto ,  Shoko Nakajima ,  Hitomi Inomata

IPC: F25D23/02 ,  C09J133/08 ,  B32B3/02 ,  B32B7/12 ,  B32B27/40 ,  B32B27/36 ,  B32B17/10

CPC classification number: F25D23/028 ,  B32B3/02 ,  B32B7/12 ,  B32B17/10 ,  B32B27/36 ,  B32B27/40 ,  C09J133/08 ,  B32B2307/304 ,  B32B2307/732 ,  B32B2509/10

Abstract: Embodiments provide a door body for opening and closing a front part of an article body, whereby the door body includes a front panel constituting a front of the door body, a frame supporting at least a part of an outside edge of the front panel, and a back panel constituting a back of the door body. According to at least one embodiment, the frame includes a support plate extending to an inside of the article body in a substantially vertical direction, the front panel is bonded to the support plate with a double-sided pressure-sensitive adhesive film, the double-sided pressure-sensitive adhesive film extends from a leading edge of the support plate to an inside of the door body, and a radius of curvature of a front side corner of the leading edge of the support plate is 0.1 to 10 mm.

公开(公告)号：US11241866B2

公开(公告)日：2022-02-08

申请号：US15779483

申请日：2016-11-24

Applicant: RIKEN TECHNOS CORPORATION

Inventor： Nozomu Washio ,  Taketo Hashimoto ,  Shoko Nakajima ,  Hitomi Inomata

IPC: B32B27/06 ,  C09D7/40 ,  C09D5/00 ,  B32B27/30 ,  E06B5/00 ,  F25D23/00 ,  C09D7/65 ,  C09D7/61 ,  C09D7/47 ,  C09D7/63 ,  B32B5/20 ,  B32B7/12 ,  B32B27/36 ,  C09D4/00 ,  E06B3/72 ,  F25D23/02 ,  E06B3/82 ,  E06B3/78 ,  E06B3/70

Abstract: Embodiments provide a door body which opens and closes a front part of an article body, and which has a front panel that constitutes the front of the door body, a frame that supports at least a part of the outside edge of the front panel, and a back panel that constitutes the back of the door body. According to at least one embodiment, the front panel includes a hard coat laminated sheet; the hard coat laminated sheet has a first hard coat, a second hard coat, and a transparent resin sheet layer in that order from the surface on the front side. The first hard coat is formed from a coating material which contains (A) 100 parts by mass of a polyfunctional(meth)acrylate, (B) 0.01-7 parts by mass of a water repellant and (C) 0.01-10 parts by mass of a silane coupling agent and which does not contain inorganic particles, and the second hard coat is formed from a coating material which contains (A) 100 parts by mass of the polyfunctional (meth)acrylate and (D) 50-300 parts by mass of inorganic fine particles having an average particle diameter of 1-300 nm. This door body may have a display on at least a part of the front thereof.

公开(公告)号：US10894394B2

公开(公告)日：2021-01-19

申请号：US16302463

申请日：2017-04-24

Applicant: RIKEN TECHNOS CORPORATION

Inventor： Hitomi Inomata

IPC: B32B27/08 ,  B32B7/12 ,  B32B17/06 ,  B32B27/20 ,  B32B27/36 ,  B32B27/00

Abstract: Embodiments relate to a decorative sheet having a hairline design and including successively, from a front surface side thereof, (A) a layer of a transparent resin film and (B) a layer of an ink paint film containing high brightness pigment. A plurality of linear hairline grooves is provided on a surface of the transparent resin film on a side thereof facing (B) the layer of the ink paint film containing the high brightness pigment. The decorative sheet has a surface resistivity of 1×105Ω or more on a rear surface side thereof. When the decorative sheet is placed on a dirt comparison chart created by the NPB in an environment of an illuminance of 600 lux, and is illuminated from below the chart at an illuminance of 17000 lux, a figure having a size of 5 mm2 on the chart can be visually discriminated. When the decorative sheet is placed on a gray scale for soiling stipulated in JIS L0805:2005 in an environment of an illuminance of 500 lux, the color difference between color chips numbers 4 and 5 cannot be visually discriminated.