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公开(公告)号:US10947359B2
公开(公告)日:2021-03-16
申请号:US16701369
申请日:2019-12-03
Applicant: SEKISUI PLASTICS CO., LTD.
Inventor: Hiromaru Yamamoto , Hironori Kobayashi , Haruhiko Matsuura
Abstract: Provided is a bead expanded molded article comprising a plurality of resin expanded particles that are fusion-bonded with each other, in which the resin expanded particles mainly include a resin having a glass transition temperature of 180° C. or more.
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公开(公告)号:US20200282886A1
公开(公告)日:2020-09-10
申请号:US16641075
申请日:2018-08-14
Applicant: SEKISUI PLASTICS CO., LTD.
Inventor: Atsushi FUKUTA
Abstract: The present invention provides means for improving bondability between a vehicle seat core and a cushion in a vehicle seat pad formed by integration of them without significantly impairing mechanical properties. A vehicle seat core is characterized in that it is a vehicle seat core for forming a vehicle seat pad by integration with a cushion, which comprises a foamed resin molded body obtained by filling a cavity of a mold with a plurality of foamed resin particles and performing in-mold foam molding, and that at least a partial region of a surface of the foamed resin molded body to which the cushion is bonded when forming the vehicle seat pad has a surface expansion rate of 40% to 85%, and the foamed resin molded body has a first fusion rate of 95% or more or a second fusion rate of 60% or more.
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公开(公告)号:US10723055B2
公开(公告)日:2020-07-28
申请号:US15323762
申请日:2015-09-16
Applicant: SEKISUI PLASTICS CO., LTD.
Inventor: Yusuke Kuwabara , Kazutoshi Hitomi
IPC: B29C48/00 , C08J9/36 , B32B33/00 , C08J9/14 , B32B37/14 , B32B38/00 , B32B5/02 , B32B27/06 , B32B27/38 , B32B27/08 , B32B27/32 , B32B27/28 , B32B27/34 , B32B5/24 , B32B27/30 , B32B27/40 , B32B5/26 , B32B5/20 , B32B7/04 , B32B27/42 , B32B5/10 , B32B5/18 , B32B27/36 , B29K105/04 , B29C48/09 , B29K67/00 , B29K105/06 , B29L9/00
Abstract: A resin composite having excellent strength is easily produced by using a resin foam having a specific surface roughness (Ra) as the core material of the resin composite.
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公开(公告)号:US20200016300A1
公开(公告)日:2020-01-16
申请号:US16338308
申请日:2017-09-22
Applicant: SEKISUI PLASTICS CO., LTD.
Inventor: Ryo IIZUKA , Kazuki KATO
IPC: A61L31/14 , A61L31/04 , C08J3/075 , C09J7/30 , C09J11/06 , C09J11/04 , C08F222/38 , B32B27/30 , B32B27/18
Abstract: A hydrogel 1 having a laminate structure of layer A 10 and layer B 20, wherein layer A 10 contains a monomer-derived component, water, a humectant, a water-insoluble polymer having tackiness and an amphiphilic polymer, the water-insoluble polymer is contained in a proportion of 3 to 20 wt % based on a total amount of layer A, and the amphiphilic polymer is a polyvinyl alcohol having a saponification degree of 50 to 75% and is contained in a proportion of 0.05 to 5 wt % based on the total amount of layer A; layer B 20 contains a monomer-derived component, water and a humectant and is substantially free of a water-insoluble polymer having tackiness and a polyvinyl alcohol; and an amount of the water based on a total amount of layer B is the amount of water based on the total amount of layer A±10 wt %.
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公开(公告)号:US10358538B2
公开(公告)日:2019-07-23
申请号:US15617823
申请日:2017-06-08
Applicant: SEKISUI PLASTICS CO., LTD.
Inventor: Hiroyuki Tarumoto , Ryosuke Chinomi
Abstract: In foamable polystyrene resin particles that are obtained by granulating a polystyrene resin containing a flame retardant and a foaming agent, the flame retardant has a bromine atom in a molecule, contains less than 70% by mass of bromine, has a benzene ring in a molecule, and has a 5% by mass decomposition temperature in a range of from 200° C. to 300° C. the flame retardant is the sole source of bromine in the foamable polystyrene resin particles, a ratio (B:A) between (A) a by mass of the flame retardant contained in the total foamable polystyrene resin particles and (B) a % by mass of the flame retardant contained in the surface of the resin particles is in a range of from 0.8:1 to 1.2:1, and the amount of the flame retardant added is in a range of from 0.5% by mass to 5.0% by mass, based on 100 parts by mass of the resin fraction in the foamable polystyrene resin particles.
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公开(公告)号:US20190217759A1
公开(公告)日:2019-07-18
申请号:US16324371
申请日:2017-08-09
Applicant: SEKISUI PLASTICS CO., LTD.
Inventor: Yushi SAKAKIBARA
Abstract: Provided is a method for suppressing deformation by contraction after molding of a vehicle seat member comprising a foamed resin molded body embedding a frame member. The method manufactures a vehicle seat member (1) including a foamed resin molded body (100) and a frame member (200) at least a part of which is embedded therein in which the frame member (200) includes frameworks (250), (260) extending inside the foamed resin molded body (100) along an outer shape (400) of the vehicle seat member (1) in plan view. The method comprises forming gaps (101), (101), (102), (102) along an extending direction of the frameworks (250), (260) between at least a part of the frameworks (250), (260) and a part of the foamed resin molded body (100) located on an outer side of the at least a part of the frameworks (250), (260).
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公开(公告)号:US20190203010A1
公开(公告)日:2019-07-04
申请号:US16334194
申请日:2017-03-27
Applicant: SEKISUI PLASTICS CO., LTD.
Inventor: Yusuke KUWABARA
IPC: C08J9/228 , C08F212/08 , C08J9/18 , B32B5/18 , B32B5/24
CPC classification number: C08J9/228 , B29C44/02 , B29C70/06 , B32B5/18 , B32B5/245 , B32B5/28 , B32B27/30 , B32B2262/106 , B32B2266/0228 , B32B2266/0242 , B32B2266/104 , B32B2307/718 , C08F212/08 , C08F2800/20 , C08J9/18 , C08J2203/02 , C08J2203/22 , C08J2205/044 , C08J2205/046 , C08L25/08 , C08L33/12 , C08L35/00
Abstract: Expanded particles including a base resin including a copolymer of an aromatic vinyl compound, a (meth)acrylic acid ester, and an unsaturated dicarboxylic acid, in which the expanded particles have an average cell diameter of 5 to 50 μm and a standard deviation of the average cell diameter of less than 0.8.
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公开(公告)号:US10308727B2
公开(公告)日:2019-06-04
申请号:US15314603
申请日:2015-05-27
Applicant: SEKISUI PLASTICS CO., LTD.
Inventor: Naoki Michihata , Shinji Ishida , Takenori Terada , Atsushi Takahara , Masahiko Ariji
IPC: C08C1/04 , A23L3/3481 , A23L3/3508 , A23L3/3544 , A23B4/00 , A23B4/12 , A23B4/14 , B32B27/18 , B65D85/50 , A23L13/00 , A23L17/00 , C08C2/02 , C08C2/06 , C08C3/02 , C08G83/00 , C08L97/02
Abstract: An object of the present invention is to provide a simple measure which can suppress freshness deterioration of a myoglobin-containing food. The present invention relates to a myoglobin-containing food freshness deterioration suppressing material for suppressing freshness deterioration of a myoglobin-containing food, comprising: a substrate comprising a polymer; and an antioxidant with which at least a part of the surface of the substrate is covered, and/or an antioxidant supported in a layer forming at least a part of the surface of the substrate; wherein 0.01 g/m2 or more and 20 g/m2 or less of the antioxidant is included relative to the area of the part in which the antioxidant is present, of the surface of the substrate.
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公开(公告)号:US10307103B2
公开(公告)日:2019-06-04
申请号:US15526858
申请日:2015-09-30
Applicant: SEKISUI PLASTICS CO., LTD.
Inventor: Takaaki Hatori , Yasuaki Shioyama , Kazuhiro Yoshikawa
IPC: A61B5/0408 , A61B5/0492 , A61B5/00 , C09J9/02 , C09J133/26 , C09J7/21 , A61B5/0478
Abstract: A pad for electrodes (1) including a first conductive adhesive sheet (2) for connection with an electrode, a second conductive adhesive sheet (4) for connection with another electrode, the second conductive adhesive sheet positioned to be spaced apart from the first conductive adhesive sheet in a planar direction of each conductive adhesive sheet, and a base (10) supporting the first conductive adhesive sheet and the second conductive adhesive sheet. At least one surface of each of the first conductive adhesive sheet and the second conductive adhesive sheet is exposed, and each of the first conductive adhesive sheet and the second conductive adhesive sheet has a thickness compressibility of 10% or less and a thickness recovery ratio of 95% or more. The base is a non-electroconductive base having a water absorption capacity of 1 to 1.5 times, and the pad has a moisture permeability of 1,000 g/m2/24 h or more.
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90.
公开(公告)号:US20190085160A1
公开(公告)日:2019-03-21
申请号:US16088245
申请日:2016-09-27
Applicant: SEKISUI PLASTICS CO., LTD.
Inventor: Seiichi MORIMOTO
Abstract: Antioxidant-containing expandable resin particles including composite resin particles containing 100 to 400 parts by mass of polystyrene-based resin relative to 100 parts by mass of polypropylene-based resin, and a blowing agent and an antioxidant contained in the composite resin particles, wherein the polypropylene-based resin is abundantly present on the surface of the composite resin particles and poorly present at the center of the particles, and the composite resin particles contain 150 to 1500 ppm of antioxidant.
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