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    METHOD FOR MANUFACTURING MOLDED FOAM, AND MOLDED FOAM
    31.
    发明申请
    METHOD FOR MANUFACTURING MOLDED FOAM, AND MOLDED FOAM 有权

    公开(公告)号：US20220168930A1

    公开(公告)日：2022-06-02

    申请号：US17441090

    申请日：2019-12-16

    Applicant: SEKISUI PLASTICS CO., LTD.

    Inventor： Masaki OTSUKI ,  Atsushi FUKUTA

    IPC: B29C44/34 ,  B29C44/58 ,  B60N2/90

    Abstract: Provided are a method for manufacturing a molded foam, and a molded foam. A method for manufacturing a molded foam includes: a molding step of molding the molded foam; and a releasing step of opening a fixed mold and a mobile mold and extruding the molded foam from the fixed mold by an ejector pin. The molded foam has an inclined face that is inclined relative to a direction of opening the mold. The inclined face has a recess for extruding of the molded foam by the ejector pin. The tip surface of the ejector pin has a first extruding surface that is perpendicular to the mold opening direction and forms a bottom face of the recess, and a second extruding surface that is inclined relative to the first extruding surface.

    PLANT-DERIVED POLYAMIDE-BASED ELASTOMER FOAM MOLDED BODY, METHOD FOR MANUFACTURING SAME, AND FOAM PARTICLES THEREOF
    32.
    发明申请
    PLANT-DERIVED POLYAMIDE-BASED ELASTOMER FOAM MOLDED BODY, METHOD FOR MANUFACTURING SAME, AND FOAM PARTICLES THEREOF 有权

    公开(公告)号：US20220153949A1

    公开(公告)日：2022-05-19

    申请号：US17598583

    申请日：2020-03-16

    Applicant: SEKISUI PLASTICS CO., LTD.

    Inventor： Daisuke SHIMIZU ,  Yuichi GONDOH

    IPC: C08J9/232 ,  C08G81/02 ,  C08J9/14 ,  C08J9/12 ,  C08J9/18 ,  B29C44/44

    Abstract: Since most elastomer foam molded bodies use a petroleum-derived resin as a base resin, there is a demand for an elastomer foam molded body with high rebound resilience and low environmental load. An object of the present invention is to provide a foam molded body having a rebound resilience coefficient equivalent to that of a petroleum-derived polyamide-based elastomer foam molded body, and excellent moldability during in-mold foaming; foam particles; and a method for producing the foam molded body.
    The present invention relates to a polyamide-based elastomer foam molded body comprising 50 to 100 mass % of a block copolymer resin containing a polyamide block as a hard segment and a polyether block as a soft segment, wherein the copolymer resin has a biobased product content as measured by ASTM D6866 of 30% or more.

    Vehicle seat core and seat pad
    33.
    发明授权
    Vehicle seat core and seat pad 有权

    公开(公告)号：US11001180B2

    公开(公告)日：2021-05-11

    申请号：US16641075

    申请日：2018-08-14

    Applicant: SEKISUI PLASTICS CO., LTD.

    Inventor： Atsushi Fukuta

    IPC: B60N2/68 ,  B60N2/70 ,  A47C7/18 ,  B29C44/12 ,  B29L31/58

    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.

    ADHESIVE HYDROGEL AND MEDICAL ELECTRODE USING THE SAME
    35.
    发明申请
    ADHESIVE HYDROGEL AND MEDICAL ELECTRODE USING THE SAME 审中-公开

    公开(公告)号：US20200253555A1

    公开(公告)日：2020-08-13

    申请号：US16651700

    申请日：2018-09-27

    Applicant: SEKISUI PLASTICS CO., LTD.

    Inventor： Takaaki HATORI ,  Takahiko FUJITA ,  Kazuhiro YOSHIKAWA

    IPC: A61B5/00 ,  A61B5/0448 ,  C08F220/56 ,  C09J133/26 ,  C09J11/06 ,  C09J11/04

    Abstract: An adhesive hydrogel has low contact resistance against the body surface and excellent conformability and adhesiveness to the body surface, so that noise generation can be reduced. Such adhesive hydrogel enables measurements of weak fetal heart rate signals. The adhesive hydrogel includes a polymer matrix prepared by crosslinking-copolymerization of an acrylamide derivative, which is a nonionic polymerizable monomer including a polymerizable carbon-carbon double bond in a molecule, and polyfunctional (meth)acrylamide, which is a crosslinkable monomer comprising 2 or more polymerizable carbon-carbon double bonds in a molecule, water, a polyvalent alcohol, and an electrolyte salt, wherein a laminate of the adhesive hydrogel with an Ag/AgCl sheet exhibits the impedance of 1∜ to 100Ω at the frequency of 0.1 Hz measured in accordance with the method of ANSI/AAMI EC12:2000, and the dynamic elastic modulus G′ at the frequency of 1 Hz measured at 25° C. and dispersed frequencies is 1.0×103 Pa to 1.0×104 Pa.

    Vehicle seat member and vehicle seat
    36.
    发明授权
    Vehicle seat member and vehicle seat 有权

    公开(公告)号：US10647035B2

    公开(公告)日：2020-05-12

    申请号：US15780895

    申请日：2016-11-28

    Applicant: SEKISUI PLASTICS CO., LTD.

    Inventor： Yushi Sakakibara

    IPC: B29C44/12 ,  B29C37/00 ,  B60N2/70 ,  B60N2/90 ,  B60N2/015 ,  B60N2/68 ,  B29K25/00 ,  B29L31/58

    Abstract: Provided are a vehicle seat member in which even when a foamed resin molded body forming the vehicle seat member shrinks after being demolded, influence of the shrinkage behavior on a frame member embedded in the foamed resin molded body can be prevented, and thus a change in the position of a protrusion, which serves as a part to be anchored to a vehicle body, of the frame member can be prevented, whereby the vehicle seat member can be attached to the vehicle body side easily and reliably, and a vehicle seat including such a vehicle seat member. A vehicle seat member includes a foamed resin molded body and a frame member integrally formed therewith, the frame member including a body portion embedded in the foamed resin molded body and protrusions each protruding from the body portion and having a tip end protruding outward from the foamed resin molded body.

    FOAMED SHEET OF THERMOPLASTIC POLYESTER RESIN AND FOAMED CONTAINER OF THERMOPLASTIC POLYESTER RESIN
    37.
    发明申请
    FOAMED SHEET OF THERMOPLASTIC POLYESTER RESIN AND FOAMED CONTAINER OF THERMOPLASTIC POLYESTER RESIN 审中-公开

    公开(公告)号：US20200079924A1

    公开(公告)日：2020-03-12

    申请号：US16466518

    申请日：2017-12-05

    Applicant: SEKISUI PLASTICS CO., LTD.

    Inventor： Osamu Kato

    IPC: C08J9/14 ,  C08G63/183 ,  C08K3/04 ,  C08K3/20 ,  C08K5/00 ,  C08K5/1539 ,  B65D81/34

    Abstract: A thermoplastic polyester resin foam sheet including: a thermoplastic polyester resin; and at least one crystallization accelerator selected from an inorganic crystallization accelerator and an organic crystallization accelerator, wherein the thermoplastic polyester resin foam sheet has a crystallization time of 14 minutes or less, determined from a DSC curve obtained using a heat flux differential scanning calorimetry (DSC) apparatus by performing a second heating from 30° C. to 110° C. at a heating rate of 100° C./min, and holding the temperature at 110° C. for 30 minutes, wherein the crystallization time is determined in terms of a time between initiation of the second heating and a time of emergence of a peak top of a last appearing exothermic peak in the DSC curve.

    ORGANIC-INORGANIC COMPOSITE PARTICLES AND MANUFACTURING METHOD THEREFOR, AND THERMALLY CONDUCTIVE FILLER AND THERMALLY CONDUCTIVE RESIN COMPOSITION AND MANUFACTURING METHOD THEREFOR
    38.
    发明申请
    ORGANIC-INORGANIC COMPOSITE PARTICLES AND MANUFACTURING METHOD THEREFOR, AND THERMALLY CONDUCTIVE FILLER AND THERMALLY CONDUCTIVE RESIN COMPOSITION AND MANUFACTURING METHOD THEREFOR 审中-公开

    公开(公告)号：US20200032122A1

    公开(公告)日：2020-01-30

    申请号：US16491335

    申请日：2018-03-30

    Applicant: SEKISUI PLASTICS CO., LTD.

    Inventor： Kengo NISHIUMI

    IPC: C09K5/14 ,  C08K3/22 ,  C08K9/04

    Abstract: Organic-inorganic composite particles include: a vinyl polymer that is a polymer of a polymerizable vinyl monomer; and inorganic particles including inorganic oxide and/or inorganic nitride. The thermal conductivity of the inorganic particles is 10 W/(m·K) or more. The inorganic particles are subjected to a surface treatment by acidic phosphoric acid ester having no polymerizable functional group, and by at least one polymerizable compound selected from the group consisting of: carboxylic acid having a polymerizable functional group; acidic phosphoric acid ester having a polymerizable functional group; and lactone having a polymerizable functional group. The polymerizable compound is bonded to the vinyl polymer, and the inorganic particles are unevenly located on surface layers of the organic-inorganic composite particles so that the inorganic particles form one or more layers.

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