公开(公告)号：US20240294806A1

公开(公告)日：2024-09-05

申请号：US18569826

申请日：2022-06-16

Applicant: SEKISUI CHEMICAL CO., LTD.

Inventor： Yuji OOHIGASHI ,  Yuki ISHIKAWA ,  Yumiko TERAGUCHI ,  Naoki KAMOSHIDA ,  Yuuki OKADA ,  Kanako URADOKORO

IPC: C09J7/38 ,  B32B17/10 ,  C09J7/10 ,  G02F1/1333

CPC classification number: C09J7/38 ,  B32B17/10036 ,  B32B17/10605 ,  B32B17/10761 ,  C09J7/10 ,  G02F1/133302 ,  B32B2457/202 ,  B32B2457/208 ,  C09J2203/318 ,  C09J2301/302 ,  C09J2400/146 ,  C09J2451/00 ,  G02F2202/28

Abstract: A pressure-sensitive adhesive film which is a pressure-sensitive adhesive film comprising a thermoplastic resin, wherein a maximum peak temperature of tan δ is 0° C. or more and 52° C. or less, a shear storage elastic modulus at 20° C. is 3×105 Pa or more, and a proportion of an undissolved component in dissolution of 1.0 g of the pressure-sensitive adhesive film in 10 g of isopropyl alcohol is 35% by mass or more and 100% by mass or less.

公开(公告)号：US20240287355A1

公开(公告)日：2024-08-29

申请号：US18570824

申请日：2022-06-16

Applicant: SEKISUI CHEMICAL CO., LTD.

Inventor： Yuji OOHIGASHI ,  Yuki ISHIKAWA ,  Yumiko TERAGUCHI ,  Naoki KAMOSHIDA ,  Yuuki OKADA ,  Kanako URADOKORO

IPC: C09J7/38 ,  B32B7/12 ,  B32B17/10 ,  B32B27/08 ,  B32B27/30 ,  C09J131/04

CPC classification number: C09J7/381 ,  B32B7/12 ,  B32B17/10 ,  B32B17/10036 ,  B32B17/10541 ,  B32B17/10605 ,  B32B17/10761 ,  B32B27/08 ,  B32B27/306 ,  C09J131/04 ,  B32B2307/54 ,  B32B2307/548 ,  B32B2307/7376 ,  B32B2307/748 ,  B32B2457/202 ,  B32B2457/208 ,  C09J2203/318 ,  C09J2431/00

Abstract: The pressure-sensitive adhesive film of the present invention comprises a thermoplastic resin and has a thickness of 150 μm or more and 2000 μm or less, in which an amount of change in thickness of a test sample A in a predetermined compression creep test performed is 50 μm or more and 325 μm or less, and an adhesive force to a polycarbonate base material, as measured by a predetermined pressure-sensitive adhesive force measurement method, is 100 N or more. The laminate of the present invention comprises the pressure-sensitive adhesive film of the present invention, a first organic material substrate, and at least one base material of second organic material substrate and inorganic material substrate. The liquid crystal display of the present invention and the laminated glass of the present invention each comprises the laminate of the present invention. According to the present invention, there can be provided a pressure-sensitive adhesive film, a laminate comprising the pressure-sensitive adhesive film, and a liquid crystal display and a laminated glass each comprising the laminate, in which a transparency in low-temperature sticking is favorable, foaming in an end portion in low-temperature sticking is small, and adhesiveness to a resin material such as a polarization film is favorable.

公开(公告)号：US20230399475A1

公开(公告)日：2023-12-14

申请号：US18034947

申请日：2021-11-09

Applicant: SEKISUI CHEMICAL CO., LTD.

Inventor： Yumiko TERAGUCHI ,  Yuji OOHIGASHI ,  Yuuki OKADA ,  Kanako URADOKORO ,  Naoki KAMOSHIDA ,  Yuki ISHIKAWA

IPC: C08J5/18 ,  C08K5/103 ,  B32B17/10 ,  G02F1/137

CPC classification number: C08J5/18 ,  C08K5/103 ,  B32B17/10036 ,  B32B17/10761 ,  B32B17/10605 ,  B32B17/10504 ,  G02F1/137 ,  C08J2351/08 ,  C08J2329/14 ,  C08J2467/00 ,  C08J2471/02 ,  C08J2463/00 ,  B32B2457/202 ,  G02F2202/08 ,  G02F2202/025

Abstract: The present invention provides a film for a liquid crystal device that is a film (15 or 16) used for a liquid crystal device (10) and contains a thermoplastic resin, in which the NI point change of liquid crystal upon contacting the film with the liquid crystal is −2° C. to +2° C.

公开(公告)号：US20230357476A1

公开(公告)日：2023-11-09

申请号：US18025941

申请日：2021-09-13

Applicant: SEKISUI CHEMICAL CO., LTD.

Inventor： Shinji KAWADA ,  Yuki ISHIKAWA ,  Tatsuya IWAMOTO ,  Yuuki OKADA

IPC: C08F265/06 ,  C08F2/50

CPC classification number: C08F265/06 ,  C08F2/50

Abstract: Provided is a resin composition capable of enhancing the application property, and enhancing the grindability and the oil resistance of a cured body. A resin composition according to the present invention comprises a (meth)acrylic monomer, and a (meth)acrylic polymer, the (meth)acrylic monomer includes a first (meth)acrylic monomer, the first (meth)acrylic monomer has a glass transition temperature of homopolymer thereof of 65° C. or more and 110° C. or less, a content of the first (meth)acrylic monomer in 100% by weight of the (meth)acrylic monomer is 50% by weight or more and 85% by weight or less, the (meth)acrylic polymer has a weight average molecular weight of 400000 or more and 1900000 or less, and a content of the (meth)acrylic polymer, relative to 100 parts by weight of the (meth)acrylic monomer is 5 parts by weight or more and 30 parts by weight or less.

公开(公告)号：US20220332095A1

公开(公告)日：2022-10-20

申请号：US17622416

申请日：2019-11-20

Applicant: SEKISUI CHEMICAL CO., LTD.

Inventor： Yuki ISHIKAWA ,  Tatsuya IWAMOTO ,  Shinji KAWADA ,  Yuuki OKADA

IPC: B32B17/10 ,  B32B27/08 ,  B32B27/30 ,  B32B27/22

Abstract: Provided is an interlayer film for laminated glass capable of enhancing the sound insulating property of laminated glass over a wide resonance frequency region. An interlayer film for laminated glass according to the present invention has a one-layer or two or more-layer structure, and when the interlayer film is arranged between two sheets of clear float glass having a width of 25 mm, a length of 300 mm and a thickness of 2 mm to obtain a laminated glass X, a loss factor at a second resonance frequency, a loss factor at a third resonance frequency, and a loss factor at a fourth resonance frequency measured by a central exciting method at 20° C. in mechanical impedance measurement in accordance with ISO16940 of the laminated glass X are respectively 0.4 or more.