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Title:
FIRE SPREAD PREVENTION MATERIAL, METHOD FOR PRODUCING SAME, LAMINATE, ASSEMBLED BATTERY, AND AUTOMOBILE
Document Type and Number:
WIPO Patent Application WO/2022/270360
Kind Code:
A1
Abstract:
Provided is a multi-layered fire spread prevention material 10 comprising, at least: a layer A including an inorganic fiber substrate and a sodium silicate with which the inorganic fiber substrate is impregnated; and a layer B including an inorganic fiber and having a porous structure, wherein the inorganic fiber substrate contains an inorganic fiber and an organic binder, the content of the organic binder is 5-20 mass% with respect to the total mass of the inorganic fiber substrate, and the molar ratio of SiO2/Na2O in the sodium silicate is less than 3.1.

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Inventors:
MIZUTA KOHEI (JP)
SATO TAIGA (JP)
TABARA KAZUTO (JP)
Application Number:
PCT/JP2022/023819
Publication Date:
December 29, 2022
Filing Date:
June 14, 2022
Export Citation:
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Assignee:
DENKA COMPANY LTD (JP)
International Classes:
B32B5/02; B32B5/18; B32B5/26; B32B5/28; D04H1/413; D04H1/4209; H01M10/625; H01M10/6555; H01M10/658; H01M50/204; H01M50/249; H01M50/293
Domestic Patent References:
WO2020204209A12020-10-08
Foreign References:
JPS5295538A1977-08-11
JP2010228960A2010-10-14
JP2021074646A2021-05-20
JP2010053196A2010-03-11
JP4958409B22012-06-20
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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