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Absorbent materials having improved fluid intake and lock-up properties

  • US 6,689,934 B2
  • Filed: 11/08/2002
  • Issued: 02/10/2004
  • Est. Priority Date: 12/14/2001
  • Status: Active Grant
First Claim
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1. An absorbent article comprisinga liquid-permeable body-side liner;

  • an absorbent composite; and

    a substantially liquid-impermeable outer cover adjacent to the absorbent composite material;

    wherein the absorbent composite has an intake rate of at least about 1.9 cubic centimeters of 0.9% by weight sodium chloride aqueous solution per second at 80% absorbent composite saturation and a liquid lock-up fraction of at least about 0.70 at 50% superabsorbent saturation determined using 0.9% by weight sodium chloride aqueous solution, the intake rate and the liquid lock-up fraction being determined by the methods set forth herein.

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