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1.发明申请公开(公告)号：US20190161909A1
公开(公告)日：2019-05-30
申请号：US16206809
申请日：2018-11-30
Inventor： Kazuma OIKAWA , Tooru WADA , Shinji OKADA , Shigeaki SAKATANI , Rikako SHONO
IPC: D06M11/79 , D06M13/228 , D06M15/643
Abstract: Used is a method for producing a thermal insulation sheet, including: composite-forming including impregnating a nonwoven fabric with a basic sol prepared by adding a carbonate ester to a water glass composition to form a hydrogel-nonwoven fabric composite; surface-modifying including mixing the composite with a silylating agent for surface modification; and drying including removing liquid contained in the composite through drying at a temperature lower than the critical temperature of the liquid under a pressure lower than the critical pressure of the liquid. Used is a thermal insulation sheet including an aerogel and a nonwoven fabric, where the thermal insulation sheet exhibits a compressibility of 40% or lower at 0.30 to 5.0 MPa.
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2.发明申请公开(公告)号：US20210180244A1
公开(公告)日：2021-06-17
申请号：US17190279
申请日：2021-03-02
Inventor： Kazuma OIKAWA , Tooru WADA , Shinji OKADA , Shigeaki SAKATANI , Rikako SHONO
IPC: D06M11/79 , D06M13/228 , D06M15/643 , D06M13/232 , C03C25/40 , D06M13/513 , C03C25/1095
Abstract: Used is a method for producing a thermal insulation sheet, including: composite-forming including impregnating a nonwoven fabric with a basic sol prepared by adding a carbonate ester to a water glass composition to form a hydrogel-nonwoven fabric composite; surface-modifying including mixing the composite with a silylating agent for surface modification; and drying including removing liquid contained in the composite through drying at a temperature lower than the critical temperature of the liquid under a pressure lower than the critical pressure of the liquid. Used is a thermal insulation sheet including an aerogel and a nonwoven fabric, where the thermal insulation sheet exhibits a compressibility of 40% or lower at 0.30 to 5.0 MPa.
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