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Highly porous fibrous network materials for gas filtration

  • US 10,315,155 B2
  • Filed: 05/27/2015
  • Issued: 06/11/2019
  • Est. Priority Date: 06/04/2014
  • Status: Active Grant
First Claim
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1. A membrane comprising:

  • at least a first substrate layer including a polyolefin modified with at least one ionic compound; and

    at least a second layer including a three-dimensional network comprising a material selected from the group consisting of polysaccharide nanofibers, cellulose nanofibers, chitin nanofibers, chitosan nanofibers, polysaccharide nanofibrils, polysaccharide nanostrips, cellulose nanostrips, carbon nanofibers, carbon nanotubes, porous graphene nanosheets, porous graphene oxide nanosheets, bacterial cellulose, and combinations thereof.

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