Acoustic material with liquid repellency
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United States of America Patent
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Mar 10, 2009
Grant Date -
Mar 30, 2006
app pub date -
Sep 30, 2004
filing date -
Sep 30, 2004
priority date (Note) -
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Abstract
A nonwoven acoustic insulating material which also provides repellency to water and low surface tension fluids. Also disclosed is a method for attenuating transmitted sound and repelling fluids which includes providing a nonwoven acoustic insulating material, the nonwoven acoustic insulating material including at least one nonwoven web having a low surface tension fluids repellency treatment, and interposing the treated nonwoven acoustic insulating material between a sound generation area and a sound receiving area.
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