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Absorbent Article Comprising A Synthetic Polymer Derived from A Renewable Resource and Methods of Producing Said Article

  • US 20160206774A1
  • Filed: 02/01/2016
  • Published: 07/21/2016
  • Est. Priority Date: 03/17/2006
  • Status: Active Grant
First Claim
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1. A method for making a disposable absorbent article, the method comprising:

  • (a) deriving a sugar from a renewable resource;

    (b) fermenting the sugar to yield lactic acid using a microorganism;

    (c) dehydrating the lactic acid to provide acrylic acid;

    (d) polymerizing the acrylic acid to form a synthetic superabsorbent polymer; and

    (e) incorporating the synthetic superabsorbent polymer into the disposable absorbent article;

    wherein the superabsorbent polymer has a 14C/C ratio of about 1.0×

    10

    14
    or greater and exhibits an Absorption Against Pressure (AAP) value of at least about 15 g saline per gram of superabsorbent polymer.

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