Process for making low density hydrogel materials having high surface areas
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United States of America Patent
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Jul 30, 1996
Issued Date -
N/A
app pub date -
Jun 5, 1995
filing date -
Dec 20, 1991
priority date (Note) -
Expired
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Abstract
A process for making a crosslinked, highly porous body derived from a water-soluble, hydrogel polymer, wherein the porous body is characterized in that it has an open-celled 3-dimensional lattice structure, a density of less than about 1.0 g/cm.sup.3, a surface area of equal to or greater than about 30 m.sup.2 /g, and a compression strength of equal to or less than about 75% yield at 300 psi.
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