Nanofiber packed beds having enhanced fluid flow characteristics
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United States of America Patent
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Sep 1, 1998
Grant Date -
N/A
app pub date -
Mar 6, 1996
filing date -
Mar 6, 1996
priority date (Note) -
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Abstract
The general area of this invention relates to porous materials made from nanofiber packed beds. More particularly, the invention relates to altering the porosity or packing structure of a nanofiber packed bed structure by blending nanofibers with scaffold particulates having larger dimensions. For example, adding large diameter fibers to a nanotube packed bed to serve as a scaffolding to hold the smaller nanofibers apart and prevent the nanofiber bed structure from collapsing. This increases the average pore size of the mass by changing the pore size distribution and alters the packing structure of the packed bed. The increase in average pore size is caused by the creation of larger channels which improves the flow of liquids or gasses through these materials.
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