Dehumidifying material, dehumidifying element and manufacturing method therefor
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United States of America Patent
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Feb 5, 2002
Grant Date -
N/A
app pub date -
Jun 28, 2000
filing date -
Jun 28, 1999
priority date (Note) -
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Abstract
A dehumidifying material comprising: 90.0 parts by weight to 99.9 parts by weight of silicon dioxide which is silica gel; and 0.1 part by weight to 10.0 parts by weight of an iron oxide or a mixture of the iron oxide and another metal oxide and a dehumidifying element incorporating an inorganic fiber sheet supporting the dehumidifying material, the dehumidifying material being obtained by allowing alkali silicate or alkokysilane to adhere to an inorganic fiber sheet to gel the inorganic fiber sheet, by immersing the inorganic fiber sheet in solution containing iron salt or iron and other metal salt and by drying the inorganic fiber sheet.
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