COATED POROUS MATERIALS
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United States of America Patent
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Issued Date -
May 2, 2013
app pub date -
May 11, 2011
filing date -
Jun 1, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A coated porous material and a method for making the same. The coated porous material includes a porous substrate having a plurality of pores. A hydrophilic coating including, in a single layer, ethylene vinyl alcohol copolymer and at least one crosslinked polymer, is present on a plurality of inner pore walls. The method includes: (a) providing a porous substrate; (b) applying a coatable composition to at least a portion of the inner pore walls of the porous substrate, the coatable composition made of ethylene vinyl alcohol copolymer, at least one polymerizable compound and solvent; (c) removing at least a portion of the solvent from the coatable composition to dry the coatable composition; (d) saturating the porous substrate and the coatable composition with a rewetting solution; and (e) polymerizing the polymerizable compound to form the hydrophilic coating on the pore walls and to provide the coated porous material.
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