Absorbent articles having a secondary topsheet
AssigneeThe Procter & Gamble Company
InventorsFancheng Wang, Tong Jia, Xiaoxin Liu, Zifang An
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Abstract
An absorbent article having a liquid permeable topsheet, a liquid impermeable sheet, an absorbent core disposed between the topsheet and the backsheet, and a secondary topsheet disposed between the topsheet and the absorbent core is described. The secondary topsheet has a first layer and a second layer. The first layer is located between the topsheet and the second layer, and a mean pore size of the first layer is larger than a mean pore size of the topsheet.
Claims19
An absorbent article comprising a liquid permeable topsheet, a liquid impermeable sheet, an absorbent core disposed between the topsheet and the backsheet, and a secondary topsheet disposed between the topsheet and the absorbent core,
- wherein the secondary topsheet comprises a first layer and a second layer, the first layer being located between the topsheet and the second layer,
- wherein a mean pore size of the first layer is larger than a mean pore size of the topsheet;
- wherein the mean pore size is determined by the pore size measurement method defined in the test methods section herein.
The absorbent article according to any of the preceding claims, wherein the topsheet comprises nonwoven.
The absorbent article according to any of the preceding claims, wherein the topsheet comprises cotton fibers.
The absorbent article according to any of the preceding claims, wherein the topsheet comprises at least 5% of cotton fibers by weight of the topsheet.
The absorbent article according to any of the preceding claims, wherein the topsheet comprises 100% cotton fibers by weight of the topsheet.
The absorbent article according to any of the preceding claims, wherein the secondary topsheet is an integrated web.
The absorbent article according to any of the preceding claims, wherein at least part of fibers of the second layer extended into the first layer.
The absorbent article according to any of the preceding claims, wherein the first layer comprises a first thermoplastic fiber.
The absorbent article according to any of the preceding claims, wherein the second layer comprises at least about 10% cellulose-based fibers by weight of the second layer.
The absorbent article according to any of the preceding claims, wherein the second layer comprises a second thermoplastic fiber.
The absorbent article according to any of the preceding claims, wherein the first layer comprises nonwoven.
The absorbent article according to any of the preceding claims, wherein the first layer comprises a first fiber and a second fiber, wherein a fiber thickness of the first fiber differs from a fiber thickness of the second fiber.
The absorbent article according to any of the preceding claims, wherein the first layer and the second layer are hydrophilic.
The absorbent article according to any of the preceding claims, wherein the first layer comprises less than about 10% cellulose-based fibers by weight of the second layer.
The absorbent article according to any of the preceding claims, wherein a weight ratio of the first layer to second layer is in the range of from about 1:9 to about 9:1.
Dependencies are inferred from the claim text.