Patents

Absorbent Composites Exhibiting Stepped Capacity Behavior

U.S. Patent No. 8,957,278 B2

Author Image

By: Tara Olivo

Associate Editor at Nonwovens Industry

Arvinder P. Singh Kainth, Neenah, WI; Richard N Dodge, II, Appleton, WI; and David L. Zenker, Neenah, WI. Assigned to Kimberly-Clark Worldwide Inc., Neenah, WI.
Filed: 2/6/13
Issued: 2/17/15
Patented is an absorbent article comprising: a topsheet; a backsheet: and an absorbent core comprising a superabsorbent polymer composition having an initial absorbent capacity of at least about 5 grams saline per gram of superabsorbent polymer composition; a first triggering mechanism having a first release time of between about 5 and 60 minutes; and a second triggering mechanism having a second release time that is different than the first release time; wherein the superabsorbent polymer composition has a second absorbent capacity of at least about 25% greater than the first absorbent capacity as measured by the mCRC Test wherein the absorbent core is disposed between the topsheet and the backsheet.

 

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