HUMIDITY-CONTROLLING BUILDING MATERIAL AND METHOD FOR PRODUCING SAME
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United States of America Patent
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Issued Date -
Sep 6, 2012
app pub date -
Aug 31, 2010
filing date -
Oct 27, 2009
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Abandoned
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Abstract
A humidity-controlling building material, which is produced by subjecting a molded product obtained by dehydration pressing a kneaded product of a hydraulic composition comprising an autoclaved lightweight aerated concrete powder and cement, and water; to autoclave curing, wherein a volume of pores with a diameter of 0.1 μm or more is 0.1 to 0.25 cc/g and a pore volume resulting from subtracting a volume of pores with a diameter of 0.1 μm or more from a total pore volume is 0.2 to 0.5 cc/g exhibits remarkably excellent performance in terms of both strength and moisture absorption and desorption performance.
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