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Hydrophobic surface coated absorbent articles and associated methods

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By: Karen McIntyre

Editor, Nonwovens Industry

Patented is an absorbent article comprising:

a. a liquid pervious first topsheet having an interior surface and an exterior surface;

b. a backsheet having an interior surface and an exterior surface wherein the backsheet is attached to the topsheet along a periphery;

c. an acquisition/distribution component and an absorbent core, wherein the acquisition/distribution component is disposed between the topsheet and the absorbent core and the absorbent core is disposed between the acquisition/distribution component and the backsheet; and

d. a hydrophobic surface coating disposed on at least one surface of the topsheet or the acquisition/distribution component such that the hydrophobic surface coating forms a film on at least a portion of the coated surface and increases the barrier properties of the surface; wherein the coating comprises a mixture of at least two silicone polymers having a molecular weight of at least about 15,000 Mw and wherein the silicone polymers are polydimethylsiloxanes selected from the group consisting of vinyl-terminated polydimethsiloxanes, methyl hydrogen dimethylsiloxanes, hydroxyl-terminated polydimethysiloxanes, and combinations thereof and wherein the coating is substantially free of aminosilicones.

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