Nonwoven materials
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United States of America Patent
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Apr 14, 2015
Grant Date -
May 15, 2014
app pub date -
Jan 17, 2014
filing date -
May 23, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
A nonwoven material is disclosed. The nonwoven material comprises a first nonwoven substrate comprising a three-dimensional texture. The three-dimensional texture comprises peaks and valleys such that the texture may comprise an Average Peak to Peak Distance in the range of about 1 mm to about 20 mm, an Average Height Differential in the range of about 1 mm to about 3 mm, and a Surface Topography Index in the range of about 0.01 to about 10. The first nonwoven substrate may comprise polyester. The nonwoven material comprises a second nonwoven substrate comprising a polyolefin and a surfactant applied to the first or second nonwoven substrates. The surfactant is included at an add-on level of at least 0.1%, by weight of the nonwoven material. The first nonwoven substrate is joined to the second nonwoven substrate.
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