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Absorbent product

An absorbent and product technology, applied in the field of absorbent products, which can solve the problems of large gaps between fibers, leaving cleanliness, and softness effects.

Active Publication Date: 2004-06-02
KAO CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this technology, the handle is also considered by considering the thickness of the non-woven fabric, but the fiber diameter is used in the layer opposite to the wearer's skin than that of the lower layer. Due to its high rigidity, the non-woven fabric appears Hard feeling, although softness due to bulkiness is obtained, but softness due to smoothness is affected
In addition, the gaps between the fibers are large, so the color of the excrement absorbed by the absorbent body is easy to see from the outside, and it is impossible to leave a clean image to the user.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] [Embodiment 1] (Embodiment of the first invention)

[0045] Using a core-sheath composite fiber composed of polyethylene terephthalate (PET) / polyethylene (PE) and having a fiber diameter of 14.8 μm (denier: 2 dtex) as a raw material, a first fiber web was produced by a carding method. The unit weight is 15g / m 2 . In addition, a core-sheath composite fiber composed of polyethylene terephthalate (PET) / polyethylene (PE) with a fiber diameter of 21.9 μm (fineness 4.4 dtex) was used as a raw material, and the second fiber was produced by a carding method. network. The unit weight is 15g / m 2 .

[0046] The first fiber web was superimposed on the second fiber web, and both were placed on a metal borderless web made of a wire mesh. At this time, the fiber web is placed such that the first fiber web faces the web. While running the web at a speed of 20 m / min, hot air at a temperature of 140° C. was blown from the second web side at a speed of 60 m / min for 18 seconds. In t...

Embodiment 2～7 and comparative example 1 and 2

[0048] [Examples 2 to 7 and Comparative Examples 1 and 2] (Example and Comparative Example of the First Invention)

[0049] Air-permeable nonwoven fabrics and disposable diapers were produced in the same manner as in Example 1 using those shown in Table 1 as constituent fibers of the first and second layers.

[0050] The handle of the top sheet of the prepared diaper was evaluated by the following method, and the wet back weight and reflectance were measured at the same time. The results are shown in Table 1 below.

[0051] [The feel of the top sheet]

[0052] A sensory test was conducted with 20 women as monitors, and the hand feeling of the top sheet in the diaper was scored using the following evaluation criteria, and the average score was calculated. The items of the sensory test were softness, smoothness, and feeling when touching the skin, and the top sheet of the diaper in Comparative Example 1 was used as a benchmark.

[0053] Evaluation benchmark

[0054] +5 point...

Embodiment 8

[0074] [Embodiment 8] (Embodiment of the second invention)

[0075] Using a core-sheath composite fiber composed of polyethylene terephthalate / polyethylene and having a fiber diameter of 14.8 μm as a raw material, a first fiber web was produced by a carding method. The unit weight is 15g / m 2 . In addition, a second fiber web was produced by a carding method using a core-sheath composite fiber made of polyethylene terephthalate / polyethylene and having a fiber diameter of 21.9 μm as a raw material. The unit weight is 15g / m 2 .

[0076] The first fiber web was superimposed on the second fiber web, and both were placed on a metal borderless web made of a wire mesh. At this time, the fiber web is placed such that the second fiber web faces the web. While running the web at a speed of 20 m / min, hot air at a temperature of 140° C. was blown from the first web side at a speed of 60 m / min for 18 seconds. Thereby, the intersection points of the constituent fibers of the fiber web ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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PUM

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Abstract

The subject invention provides an absorptive article having a top sheet made of nonwoven fabric with a total base weight of 14 to 60 g / m<2>, and having a first layer as surface layer and a second layer contiguously disposed to the first layer, wherein the diameter of constituting fiber of the first layer is 11 to 18 mum, and the diameter of constitution fiber of the second layer is 19 to 31 mum, the base weight of the first layer and the second layer being 7 to 30 g / m<2>, respectively. The first side of the nonwoven fabric is disposed against the user's facial skin.

Description

technical field [0001] The present invention relates to an absorbent article with good hand feel and low wet back. Moreover, the present invention also relates to an absorbent product having a top sheet made of a non-woven fabric obtained by an air-through method. Background technique [0002] It is known that the non-woven fabric (hereinafter also referred to as the air-permeable non-woven fabric) made by the air-through method (air though; or air-permeable method) is used as the top sheet in absorbent articles such as disposable diapers or sanitary napkins ( For example, see JP-A-58-180651, JP-4-24261 and JP-4-53554). The wind-through method is a method of placing fiber webs such as carding machine webs on air-permeable nets. Or on a roll, blowing hot air to thermally melt and bond the intersection points of the constituent fibers to make it non-woven. [0003] Also, it is known to use a nonwoven fabric having a multilayer structure of two or more layers with different f...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F13/15A61F13/51A61F13/511D04H1/541
Inventor 前田用司池田光浩
Owner KAO CORP