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    ANTISTATIC SHEET
    1.
    发明申请
    ANTISTATIC SHEET 审中-公开
    防静电片

    公开(公告)号：US20160278191A1

    公开(公告)日：2016-09-22

    申请号：US14778418

    申请日：2014-03-20

    Applicant: SEKISUI PLASTICS CO., LTD.

    Inventor： Kazuki KATO ,  Yasuhiro FUJIWARA

    IPC: H05F1/02

    CPC classification number: H05F1/02 ,  C08K5/053 ,  C08L33/26 ,  C09D129/04

    Abstract: An antistatic sheet capable of improving working efficiency includes a laminated body formed by laminating a polymer gel on an antistatic-treated base sheet, the polymer gel comprising: a polymer matrix obtained by copolymerization-crosslinking of a polymerizable monomer having in its molecule at least one polymerizable carbon-carbon double bond and a crosslinkable monomer having in its molecule at least two polymerizable carbon-carbon double bonds; water having dissolved therein at least polyvinyl alcohol-type polymer; and a polyhydric alcohol other than polyvinyl alcohol-type polymer, wherein the water and the polyhydric alcohol are retained in the polymer matrix, the antistatic sheet having a ground resistance of 1.0×105Ω or more and 1.0×1012Ω or less, and a surface resistivity of 1.0×104Ω/□ or more and 1.0×1012Ω/□ or less as measured with respect to a surface thereof on a side of the base sheet.

    Abstract translation: 能够提高工作效率的抗静电片包括通过在抗静电处理的基片上层叠聚合物凝胶而形成的层叠体，所述聚合物凝胶包含：聚合物基体，其通过在其分子中共聚交联至少一个 可聚合碳 - 碳双键和在其分子中具有至少两个可聚合碳 - 碳双键的可交联单体; 至少聚乙烯醇型聚合物溶解的水; 和聚乙烯醇型聚合物以外的多元醇，其中水和多元醇保留在聚合物基质中，抗静电片的接地电阻为1.0×10 5Ω以上且1.0×10 12Ω以下，表面电阻率 1.0×10 4Ω/□以上，1.0×10 12Ω/□以下。

    GEL SHEET
    2.
    发明申请
    GEL SHEET 审中-公开

    公开(公告)号：US20190313931A1

    公开(公告)日：2019-10-17

    申请号：US16338270

    申请日：2017-09-22

    Applicant: SEKISUI PLASTICS CO., LTD.

    Inventor： Kazuki KATO ,  Ryo IIZUKA ,  Yoshiki NAKAYAMA

    IPC: A61B5/0478 ,  A61B5/00

    Abstract: The present invention is intended to provide a gel sheet having a formulation providing an adhesive force on the skin side suitable for the skin (i.e., a gel having a low adhesive force and being able to withstand a tip pressure of a terminal and the like), and concurrently having a sufficient adhesive force against an electrode element on the side opposite to the skin side. The present invention is a gel sheet having a laminated structure of a layer A and a layer B, characterized in that the storage elastic modulus of the layer A at 23° C. and 10 Hz is 12,000 to 40,000 Pa, and the storage elastic modulus of the layer B at 23° C. and 10 Hz is 2,000 to 10,000 Pa.

    HYDROGEL
    4.
    发明申请
    HYDROGEL 审中-公开

    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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