Absorbent Article Comprising A Synthetic Polymer Derived From A Renewable Resource And Methods Of Producing Said Article
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Abstract
An absorbent article is disclosed having a topsheet, a backsheet joined with the topsheet, an absorbent core disposed between the topsheet and the backsheet, and a synthetic superabsorbent polymer derived from a first renewable resource via at least one intermediate compound, wherein said superabsorbent polymer exhibits a defined Saline Flow Conductivity value and Absorption Against Pressure value. Alternately, an absorbent article is disclosed having a synthetic polyolefin derived from a first renewable resource via at least one inteimediate compound. The synthetic polyolefin exhibits defined performance characteristics making the polyolefin particularly useful in certain components of the absorbent article. Methods for making the aforementioned absorbent articles are also disclosed.
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Citations
39 Claims
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1-20. -20. (canceled)
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21. An absorbent core for an absorbent article, the absorbent core comprising a synthetic polymer (a) exhibiting a 14C/C ratio of about 1.0×
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14 or greater and (b) is at least partially derived from a renewable resource via lactic acid as a first intermediate compound. - View Dependent Claims (22, 23, 24, 25, 26, 27, 30, 31, 32, 33)
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34. method for making an absorbent core for an absorbent article, the method comprising:
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(a) culturing a microorganism capable of fermenting glucose to yield lactic acid under conditions resulting in the production of lactic acid, (b) dehydrating the lactic acid to produce acrylic acid, (c) polymerizing the acrylic acid to form a synthetic polymer, and (d) disposing or incorporating the synthetic polymer into an absorbent core. - View Dependent Claims (35, 36, 37, 38, 39)
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Specification