JP2019063373A5 - - Google Patents

Description

In the present embodiment, in the absorbent core 40, the fiber mass 11 or the fiber mass 11 and the water absorbing fiber 12F are entangled, the term “entanglement” of the fiber mass 11 or the like referred to herein means the following form A And B are included.
Form A: A form in which the fiber masses 11 are joined not by fusion but by entanglement of constituent fibers 11 F of the fiber mass 11.
Form B: In the natural state (no external force is applied) of the absorbent body 4 , the fiber masses 11 and the like are not coupled, but in the state where an external force is applied to the absorbent body 4 , the fiber masses 11 and the like are constituent fibers A form that can be connected by entanglement of 11F. Here, the "state of the external force to the absorbent body 4 is applied", for example, during wear of the absorbent article where the absorber 4 is applied, a state where the deforming force is applied to the absorbent body 4.

The main body portion 110 is a portion defined by the two opposing basic surfaces 111 described above and a skeletal surface 112 connecting the two basic surfaces 111. The main body portion 110 is a main body of the fiber mass 11 and is a portion that forms a fixed outer shape of the fiber mass 11, and various characteristics such as high flexibility, cushioning property, and compression recovery property of the fiber mass 11 are basically However, the location of the main body 110 is large. On the other hand, the extension fiber portion 113 mainly contributes to the improvement of the interlacing property between the plurality of fiber masses 11 contained in the absorbent core 40 or between the fiber mass 11 and the water absorbent fibers 12F, and the shape retention of the absorbent 4 Apart from being directly involved in the improvement of the properties, it may indirectly reinforce the action and effect due to the main body 110 by affecting the uniform dispersion of the fiber mass 11 in the absorbent core 40 and the like.

Claims (6)

The absorbent body includes an absorbent core, and a surface sheet disposed on the skin-facing surface side of the absorbent body and having a plurality of convex portions formed on the skin-facing surface and protruding toward the skin side of the wearer. An absorbent article having a longitudinal direction corresponding to the longitudinal direction of the wearer and a transverse direction orthogonal to the longitudinal direction,
An absorbent article, wherein the absorbent core comprises a fiber mass containing synthetic fibers and a water absorbent fiber.   The absorbent article according to claim 1, wherein in the absorbent core, a plurality of the fiber masses are present so as to overlap in the thickness direction.   The fiber mass comprises two opposing basic surfaces and a skeletal surface connecting the two basic surfaces, and the total area of the two basic surfaces is larger than the total area of the skeletal surfaces. The absorbent article as described in 2.   The basic surface has a shape long in one direction in plan view, and the long side of the basic surface is oriented at an inclination of 45 degrees or more with respect to the thickness direction of the absorbent core. The absorbent article as described.   The absorbent article according to claim 3 or 4, wherein the fiber mass has an extension fiber portion extending outward from the skeletal surface. The absorbent article according to any one of claims 1 to 5 , wherein a content mass ratio of the fiber mass to the water absorbent fiber in the absorbent core is 20/80 to 80/20 as the former / the latter. .

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