Patents

Breathable absorbent articles and composites comprising a vapor permeable, liquid barrier layer with thickening capabilities

August 6, 2012

Patented is a disposable absorbent article comprising:
a. a liquid permeable topsheet;

b. a liquid impervious outer cover;

c. an absorbent core disposed between said topsheet and outer cover; and

d. a barrier layer disposed between said core and outer cover, wherein said barrier layer comprises a fibrous sheet having a first side and an opposing second side, said first side having a total surface area, the fibrous sheet further comprising:

1) a first region disposed between said core and outer cover, having a first region surface area on said first side, the first region surface area forming a portion of the total surface area, wherein the first region surface area is less than the total surface area; and

2) a second region adjacent said first region and disposed between said core and outer cover, having a second region surface area on said first side, the second region surface area forming a portion of the total surface area, wherein the second region surface area is less than the total surface area, wherein the first region and the second region are both situated in an xy-dimension;
e. a non-fibrous coating comprising a wax deposited onto said first region via a mechanism selected from the group consisting of spraying, dipping, brushing, coating, printing, slot-coating, and combinations thereof; wherein said non-fibrous coating inhibits the flow of a liquid in the first region as compared to the flow of the liquid in the second region and said second region is substantially free of said coating; and

f. an exudates thickener in an amount greater than about 1 gsm deposited onto one or more surfaces of said barrier layer.

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