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公开(公告)号：US20230235108A1
公开(公告)日：2023-07-27
申请号：US17918723
申请日：2021-04-20
Applicant: SEKISUI CHEMICAL CO., LTD.
Inventor： Yuji OOHIGASHI , Yumiko TERAGUCHI
IPC: C08F216/38 , B32B17/10 , B32B27/30 , B32B27/36
CPC classification number: C08F216/38 , B32B17/10761 , B32B27/306 , B32B27/365 , B32B27/308 , B32B2250/03 , B32B2250/04 , B32B2250/05 , B32B2250/40 , B32B2331/04 , B32B2333/08 , B32B2369/00
Abstract: A resin composition, comprising a polyvinyl acetal-based resin, wherein the resin composition has a glass transition temperature of 50° C. or lower, and the polar component γsp of the surface free energy according to the Kaelble-Uy method is a value of 0.1 mJ/m2 or more and 8.0 mJ/m2 or less.
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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
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.
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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.
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公开(公告)号：US20230002612A1
公开(公告)日：2023-01-05
申请号：US17783911
申请日：2020-12-10
Applicant: SEKISUI CHEMICAL CO., LTD.
Inventor： Yuji OOHIGASHI , Yumiko TERAGUCHI
Abstract: The resin composition of the present invention has a phase separation structure including a continuous phase of a thermoplastic resin A and a dispersion phase of a thermoplastic resin B, wherein the thermoplastic resin A and the thermoplastic resin B each have a glass transition temperature of −50° C. or more and 50° C. or less, an absolute value of a difference between glass transition temperatures Tg1 and Tg2, which are each in a range of −50° C. or more and 50° C. or less, is 17° C. or less, and a haze at 23° C. is less than 1.5%. The present invention can provide a resin composition excellent in transparency at low temperature, a resin film containing the resin composition, and a glass laminate including the resin film.
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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
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.
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Patent Agency Ranking
公开(公告)号：US20220306785A1
公开(公告)日：2022-09-29
申请号：US17616765
申请日：2020-06-04
Applicant: SEKISUI CHEMICAL CO., LTD.
Inventor： Yui HIGASHIONNA , Yuji OOHIGASHI
IPC: C08F220/18 , C08F220/20 , C08F220/28 , C08L75/08 , C08J5/18 , B32B17/10
Abstract: The resin composition of the present invention is a resin composition comprising an acrylic-based polymer (A) and a urethane polymer (B), in which the acrylic-based polymer (A) is a polymer of a monomer component comprising an acrylic-based monomer (A1) having at least one functional group (X) selected from the group consisting of a hydroxy group, a carboxy group, a thiol group, an amino group, a group having an ether bond, a group having a urethane bond and a group having an amide bond.
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公开(公告)号：US20220242095A1
公开(公告)日：2022-08-04
申请号：US17617198
申请日：2020-06-09
Applicant: SEKISUI CHEMICAL CO., LTD.
Inventor： Yuji OOHIGASHI , Yui HIGASHIONNA , Kazuyuki YAHARA , Juichi FUKATANI
Abstract: The resin composition of the present invention comprises a polyvinyl acetal resin (A) and an acrylic-based polymer (B), in which the acrylic-based polymer (B) is a polymer of a monomer component comprising an acrylic-based monomer, a dHSP/R of the monomer component relative to the polyvinyl acetal resin (A) is 1.16 or less, and a content of the acrylic-based polymer (B) is 20 parts by mass or more and 90 parts by mass or less based on 100 parts by mass of the polyvinyl acetal resin (A).
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公开(公告)号：US20240294807A1
公开(公告)日：2024-09-05
申请号：US18570825
申请日：2022-06-16
Applicant: SEKISUI CHEMICAL CO., LTD.
Inventor： Yuji OOHIGASHI , Yuki ISHIKAWA , Naoki KAMOSHIDA
IPC: C09J7/38 , C09J129/10
CPC classification number: C09J7/38 , C09J129/10 , C09J2203/318 , C09J2301/302 , C09J2301/312 , C09J2400/226
Abstract: The pressure-sensitive adhesive film of the present invention comprises a thermoplastic resin, wherein a shear storage elastic modulus at 85° C. is 0.06×106 Pa or more and 1.00×106 Pa or less, the pressure-sensitive adhesive film comprises no plasticizer or comprises less than 20 parts by mass of a plasticizer based on 100 parts by mass of the thermoplastic resin, and a gel fraction is 15% or less. 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 a second organic material substrate and an inorganic material substrate. The liquid crystal display of the present invention and the laminated glass of the present invention each comprise the laminate of the present invention. The present invention can provide a pressure-sensitive adhesive film excellent in level-difference conformability, bleed performance and recyclability, a laminate comprising the pressure-sensitive adhesive film, and a liquid crystal display and a laminated glass each comprising the laminate.
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公开(公告)号：US20230142686A1
公开(公告)日：2023-05-11
申请号：US17918358
申请日：2021-04-20
Applicant: SEKISUI CHEMICAL CO., LTD.
Inventor： Yumiko TERAGUCHI , Yuji OOHIGASHI
CPC classification number: B32B17/10761 , B32B17/10036 , B32B17/10605 , B32B27/08 , B32B27/30 , C08J5/18 , B32B2307/308 , B32B2307/748 , B32B2419/00 , B32B2605/006 , C08J2329/14
Abstract: An interlayer film for laminated glass, comprising a first layer containing a polyvinyl acetal-based resin, wherein the first layer contains no plasticizer or contains a plasticizer in an amount of 15 parts by mass or less based on 100 parts by mass of the resin contained in the first layer, and the first layer has a glass transition temperature (Tg) of 50° C. or lower.
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公开(公告)号：US20230001675A1
公开(公告)日：2023-01-05
申请号：US17783934
申请日：2020-12-10
Applicant: SEKISUI CHEMICAL CO., LTD.
Inventor： Yuji OOHIGASHI , Yumiko TERAGUCHI
Abstract: The interlayer film for laminated glass of the present invention comprises a thermoplastic resin and has a shear storage elastic modulus at 30° C. of 1.5 MPa or less. According to the present invention, an interlayer film for laminated glass can be provided which can allow for sufficient suppression of warpage in a case where laminated glass is obtained by allowing inorganic glass and organic glass to adhere.
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