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Comfortable diaper

  • US 20070179464A1
  • Filed: 03/13/2007
  • Published: 08/02/2007
  • Est. Priority Date: 02/12/2003
  • Status: Active Grant
First Claim
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1. A disposable absorbent diaper comprising:

  • a chassis including a liquid impervious backsheet and a liquid pervious topsheet;

    a reclosable fastening system joined to said chassis for securing said diaper to a wearer; and

    an absorbent core located between said backsheet and said topsheet which includes first and second substrate layers each having absorbent particulate polymer material deposited thereon and encased with thermoplastic material;

    said first and second substrate layers are combined together such that said thermoplastic material of each said first and second substrate layers contact one another;

    wherein said thermoplastic material has a softening point in a range from about 50°

    C. to about 300°

    C., a glass transition temperature of less than about 25°

    C., and a storage modulus G′

    measured at 60°

    C. of less than about 300,000 Pa;

    wherein said absorbent core has less than about 10% of cellulose fibrous material as compared to the weight of said particulate absorbent polymer.

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