Hygroscopic composite material
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United States of America Patent
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Apr 4, 1989
Grant Date -
N/A
app pub date -
Sep 11, 1987
filing date -
Sep 12, 1986
priority date (Note) -
Expired
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Abstract
A hygroscopic composite material comprising a humidity absorbing body having hygroscopic fillers in its basic material and a porous body having many micropores. This hygroscopic composite material retains its hygroscopicity for a long period of time by enhancing its humidity absorbing function by generating free water in the porous body and by discharging the free water.
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