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absorbent article

A technology of absorbency and articles, applied in the direction of absorbent pads, medical science, bandages, etc.

Active Publication Date: 2022-04-15
KAO CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Regarding absorbent cores used in absorbent articles, there are major problems in improving various properties such as softness, cushioning properties, compression recovery properties, and shape retention properties.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0142] manufacture Figure 3 ~ Figure 5 The absorbent body 4 shown is used as the absorbent body of Example 1. Specifically, the fiber mass 11, the water-absorbent fiber 12F, and the water-absorbent polymer 13 are used as core forming materials, and two known fiber piling devices are used to accumulate the water-absorbent fiber-rich part 12P according to the usual method. and the fiber mass-rich portion 11P, these water-absorbent fiber-rich portions 12P are overlapped with the fiber mass-rich portion 11P and pressed in the thickness direction, thereby obtaining the absorbent core 40, with a grammage of 16 g / m 2 The wrapping chip 41 covers the entire outer surface of the absorptive core 40 to manufacture the absorbent body 4 . The manufacture of fiber block 11 is according to Figure 7 , Cutting the raw fiber sheet into small cubes. Using non-absorbent thermoplastic fiber composed of polyethylene resin fiber and polyethylene terephthalate resin fiber (non-absorbent fiber, ...

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PUM

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Abstract

The absorbent article (1) of the present invention has: an excretory portion facing region (B) disposed opposite to the excretory portion of the user during use; ) and rear area (C) with absorbent body (4). The absorbent body (4) contains a fiber block (11) containing synthetic fibers (11F) and water-absorbent fibers (12F). In the absorbent body (4), the ratio of the mass content of the fiber mass (11) to the total mass content of the fiber mass (11) and water-absorbent fibers (12F) (fiber mass occupancy) is in the area (B) of the excretory part It is larger than in the front area (A) and rear area (C), and in the excretory part facing area (B), it is smaller on the skin-facing side (B1) of the absorber than on the non-skin-facing side (B2) of the absorber .

Description

technical field [0001] The present invention relates to absorbent articles. Background technique [0002] Generally speaking, absorbent articles such as disposable diapers and menstrual sanitary napkins include a front sheet arranged relatively close to the wearer's skin, a back sheet arranged relatively far from the wearer's skin, and a Absorbent between the two sheets. Typically, the absorber is mainly composed of water-absorbing fibers such as wood pulp in many cases, and also contains water-absorbing polymer particles. Regarding absorbent cores used in absorbent articles, there are great problems in improving various properties such as softness, cushioning properties, compression recovery properties, and shape retention properties. [0003] As an improvement technique for absorbent bodies, for example, Patent Document 1 describes an absorbent body comprising thermoplastic resin fibers and cellulose-based water-absorbent fibers, and the thermoplastic resin fibers are fo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61F13/53A61F13/535
CPCA61F13/53A61F13/535
Inventor 立川裕美金子将也糸井奈美江
Owner KAO CORP