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Sintered porous plastic liquid barrier media and applications thereof

  • US 8,690,981 B2
  • Filed: 06/05/2012
  • Issued: 04/08/2014
  • Est. Priority Date: 06/15/2011
  • Status: Active Grant
First Claim
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1. A porous self-sealing composition comprising a sintered porous matrix of particles of an absorbent material and particles of a thermoplastic, wherein the absorbent material comprises polyacrylic acid, and the polyacrylic acid is linear polyacrylic acid with a molecular weight greater than 100 KDa or cross-linked polyacrylic acid with a linear backbone molecular weight between adjacent crosslinks (Mc) greater than 10 KDa.

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