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    HEAT INSULATION SHEET AND METHOD OF PRODUCING THE SAME
    12.
    发明申请
    HEAT INSULATION SHEET AND METHOD OF PRODUCING THE SAME 审中-公开
    热绝缘片及其制造方法

    公开(公告)号：US20160060808A1

    公开(公告)日：2016-03-03

    申请号：US14820518

    申请日：2015-08-06

    Applicant: Panasonic Intellectual Property Management Co., Ltd.

    Inventor： KAZUMA OIKAWA ,  KEI TOYOTA ,  SHIGEAKI SAKATANI ,  MASANORI MORITA ,  KENJI KONDO ,  DAIDO KOHMYOHJI

    IPC: D06M15/643 ,  D06M10/10

    CPC classification number: D06M15/643 ,  D06M10/10 ,  D06M13/513 ,  D06M2101/22 ,  D06M2101/32 ,  D06M2200/30 ,  D06M2400/01 ,  D06M2400/02

    Abstract: A heat insulation sheet includes, as a substrate, a silica aerogel with low heat conductivity and high mechanical strength In a hydrophobization reaction of a hydrogel, a silane coupling agent having a reactive organic functional group is used to conduct hydrophobization, and, after volatilization of a solvent in a drying step, the temperature is elevated to 100° C. or higher that is a reaction-starting temperature, thereby reacting and bonding the reactive functional group and a fiber to each other. This allows prevention of detachment or loss of fine particles of silica xerogel from the unwoven fabric fiber.

    Abstract translation: 隔热片包括作为基底的具有低导热性和高机械强度的二氧化硅气凝胶。在水凝胶的疏水化反应中，使用具有反应性有机官能团的硅烷偶联剂进行疏水化，并且在挥发后 在干燥步骤中的溶剂中，将温度升高至反应开始温度为100℃以上，从而使反应性官能团和纤维彼此反应并键合。 这样可以防止无纺布纤维从二氧化硅干凝胶中分离或损失细颗粒。

    HEAT INSULATING SHEET AND METHOD OF MANUFACTURING THEREOF, AND ELECTRONIC DEVICE AND BATTERY UNIT USING HEAT INSULATING SHEET
    13.
    发明申请
    HEAT INSULATING SHEET AND METHOD OF MANUFACTURING THEREOF, AND ELECTRONIC DEVICE AND BATTERY UNIT USING HEAT INSULATING SHEET 审中-公开

    公开(公告)号：US20200378058A1

    公开(公告)日：2020-12-03

    申请号：US16877046

    申请日：2020-05-18

    Applicant: Panasonic Intellectual Property Management Co., Ltd.

    Inventor： KAZUMA OIKAWA ,  TOORU WADA ,  SHIGEKI SAKAGUCHI ,  TAKASHI KUBO ,  TAKASHI TSURUTA ,  SHIGEAKI SAKATANI ,  DAIDO KOMYOJI

    IPC: D06M11/79 ,  H01M10/658 ,  H01M10/0525

    Abstract: A manufacturing method of a heat insulating sheet of the present disclosure includes a composite generating step of impregnating a nonwoven fiber with a basic sol prepared to generate a composite of a hydrogel-nonwoven fiber, the basic sol being prepared by adding carbonate ester to a water glass composition; and a drying step of drying a liquid contained in the composite at a temperature lower than a critical temperature of the liquid and a pressure lower than a critical pressure of the liquid to remove the liquid from the composite. A heat insulating sheet according to the present disclosure includes an aerogel and a nonwoven fiber, and has a compression rate at 0.30 MPa to 5.0 MPa of 40% or less. In an electronic device of the present disclosure, the heat insulating sheet is disposed between an electronic component and a housing. In a battery unit of the present disclosure, the heat insulating sheet is disposed between batteries. This provides a heat insulating sheet that can be used under a high load and a manufacturing method thereof, and an electronic device and a battery unit including the same.

    METHOD FOR MANUFACTURING AEROGEL
    14.
    发明申请
    METHOD FOR MANUFACTURING AEROGEL 审中-公开

    公开(公告)号：US20190330068A1

    公开(公告)日：2019-10-31

    申请号：US16447102

    申请日：2019-06-20

    Applicant: Panasonic Intellectual Property Management Co., Ltd.

    Inventor： SHIGEAKI SAKATANI ,  KAZUMA OIKAWA

    IPC: C01B33/16 ,  C01B33/158 ,  C01B33/159 ,  F28F13/00

    Abstract: In a method for manufacturing an aerogel, an acid is added to a first aqueous high-molar-ratio silicate solution that includes silica particles having a mean particle diameter of from 1 nm to 10 nm and that is alkaline, to produce a gel. The gel is subjected to a dehydration condensation to obtain a hydrogel. The hydrogel is converted into a hydrophobized gel. Then, the hydrophobized gel is dried. According to the method, an aerogel having a pore volume of from 3.00 cc/g to 10 cc/g, a mean pore diameter of from 10 nm to 68 nm, and a specific surface area of from 200 m2/g to 475 m2/g can be prepared.

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