High surface area fiber and textiles made from the same
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United States of America Patent
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Mar 6, 2012
Grant Date -
May 8, 2008
app pub date -
Nov 3, 2006
filing date -
Nov 3, 2006
priority date (Note) -
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Abstract
The present invention is directed to a high surface area fiber and textiles made from the same. In one preferred embodiment the fiber has a middle region with a plurality of projections that define a plurality of channels, which increases the surface area of the fiber. In one preferred embodiment, the fiber has a specific surface area of about 140,000 cm2/g or higher and a denier of about 1.0 to about 2.0. The fiber of the present invention is made using a bicomponent extrusion process using a thermoplastic polymer and a dissolvable sheath.
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