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Nonwoven fabric

A non-woven fabric and segmented technology, applied in non-woven fabrics, textiles, papermaking, medical science, etc., can solve problems such as difficult liquid permeability

Inactive Publication Date: 2005-10-12
KAO CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, it is difficult to separate the split fibers while preventing fluff or depilation and improving liquid permeability

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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  • Nonwoven fabric
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～3 and comparative example 1 and 2

[0032] Next, using the fibers shown in Table 1 and Table 2, fiber webs of the first layer and the second layer were formed by a carding method. Details of the fibers in Table 1 are shown in Table 2. After overlapping the fiber webs, hot air heated to 140° C. was blown to melt the intersection points of the constituent fibers to obtain a double-layer nonwoven fabric raw material. Then, using a drilling pin with a diameter of 1.5mm heated to 125°C, a large number of openings are formed on the non-woven fabric raw material, and ridges and grooves are formed to obtain figure 1 Nonwovens in the form shown. The diameter of the opening ends of the openings in the obtained nonwoven fabric was about 1 mm, and the opening ratio was 10%. In addition, the distance between the openings along the grooves was 2.6 mm, and the distances between the grooves and the ridges were both 2.3 mm. And, 0.5g / cm 2 The thickness under load is 0.6 to 1.0 mm.

[0033] Regarding the obtained nonwoven fa...

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

Nonwoven fabric (10) having a multilayer structure including first layer (1) constituting one outer layer and second layer (2) constituting the other outer layer, which nonwoven fabric (10) is comprised of split type conjugate fibers and hot melt fibers. Split type conjugate fibers are contained in an amount of 20 wt.% or less in the first layer (1) and contained in greater amount in the second layer (2). The nonwoven fabric (10) is provided with a multiplicity of openings (3). The split type conjugate fibers lying at the periphery of openings (3) have constituent resins thereof split and spaced, and the extent of splitting and spacing thereof is greater than that of split type conjugate fibers at other parts of the nonwoven fabric (10)

Description

technical field [0001] The present invention relates to a bulky and soft nonwoven fabric excellent in liquid permeability and a method for producing the same. The present invention also relates to an absorbent article using the nonwoven fabric. Background technique [0002] There is known a nonwoven fabric which is entirely or partially composed of divisible composite fibers and has fine fibers. The non-woven fabric has excellent hand feeling and excellent dust collecting ability, so it can be used as a mirror cloth or various cleaning wipes. In the above-mentioned nonwoven fabric, the above-mentioned composite fiber needs to be divided and isolated by a non-woven method based on the structure of the above-mentioned composite fiber. However, the above-mentioned nonwoven fabric produced by the nonwoven method has the problems of complicated manufacturing process and low productivity. Furthermore, there is a problem of high cost. [0003] The present applicant has previous...

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): A61F13/511A61F5/44A61F13/15A61F13/49D04H1/541D04H1/559D04H13/00
CPCD04H1/54D04H13/00A61F13/512A61F13/51121A61F13/5116A61F13/5123
Inventor 金田学宫本孝信
Owner KAO CORP
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