Far-infrared emission powder with antibacterial activity and bio-wave steel plate coated with resin containing same
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United States of America Patent
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Aug 10, 2004
Grant Date -
Jun 26, 2003
app pub date -
Aug 16, 2002
filing date -
Dec 19, 2000
priority date (Note) -
Expired
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Abstract
Disclosed are far-infrared emission powders and resin-coated steel plates with antibacterial activity and far-infrared emission properties. In addition to being 0.9 or higher in emissivity, the far-infrared emission powders are inhibitory against the growth of bacteria, with a pH value of 7.5-10.5 in its saturate aqueous solution. A coating material comprising 5-100 parts by weight of the powder per 100 parts by weight of a resin is coated to a dry thickness of 5-60 .mu.m on an electromagnetic shield steel plate without interruption of the intrinsic electromagnetic shield properties of the steel plate.
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