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Film with Reduced Noise for Use in an Absorbent Article:

U.S. Patent No. 10,849,800

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By: Karen McIntyre

Editor, Nonwovens Industry

Feng Chen, Neenah, WI; Michael J. Faulks, Neenah, WI; and Gregory J. Wideman, Menasha, WI.
Assigned to Kimberly-Clark, Neenah, WI.

Filed: 1/30/15
Issued: 12/1/20

An absorbent article comprising: a liquid permeable layer; a liquid-impermeable layer that contains a film; and an absorbent core positioned between the liquid permeable layer and the liquid-impermeable layer; the film having a thickness of from about 0.5 to about 80 micrometers, wherein the film is formed from a polymer composition comprising one or more ethylene polymers in an amount of 95 wt. % to about 99 wt. % of a total polymer content of the polymer composition, wherein the one or more ethylene polymers comprises a linear low-density polyethylene in an amount of from 75 wt. % to about 99 wt. % of the polymer composition, a polyolefin compatibilizer in an amount of from 0.5 wt. % to about 5 wt. % of the total polymer content of the polymer composition, and one or more nanofibers in an amount of from about 0.5 wt. % to about 20 wt. % of the polymer composition, wherein the nanofiller includes carbon black, carbon nanotubes, carbon nanofibers, nanoclays, metal particles, silica, alumina, or a combination thereof, wherein the film exhibits a noise level of about 45 decibels or less as determined at a frequency of 4,000 Hz, and wherein the film exhibits a peak elongation in the machine direction of 400% or more.

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