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A kind of preparation method of low rewet absorbent article

An absorbent article and an absorbent body technology are applied in the field of preparation of low-recovery absorbent articles, which can solve the problems of difficulty in maintaining the dryness of a liquid-permeable surface layer, easy breakage of the absorbent body, and reduced air permeability, etc. The effect of good sex and improved absorption

Active Publication Date: 2022-03-25
GUANGDONG YINYIN CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to increase the absorption capacity, the existing absorbent articles usually increase the thickness of the absorbent body, but increasing the thickness of the absorbent body will result in reduced air permeability, increased cost, and easy breakage of the absorbent body; moreover, the absorbent body undergoes repeated urine absorption. Finally, its surface is often in a wet state, and it is difficult to keep the dryness of the liquid-permeable surface layer. At the same time, because of the wearer's activities, the absorbent article is squeezed, and the urine seeps back to the surface under the action of the squeeze force. Absorbing the surface of the surface layer not only causes a decrease in comfort, but also causes skin rashes after prolonged contact

Method used

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  • A kind of preparation method of low rewet absorbent article
  • A kind of preparation method of low rewet absorbent article
  • A kind of preparation method of low rewet absorbent article

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] refer to figure 1 Shown, a kind of preparation method of low rewet absorbent article, comprises the following steps:

[0039] 1) Prepare the liquid-permeable surface layer 1;

[0040] 2) Prepare diversion layer 2;

[0041] 3) Preparation of absorbent core layer: refer to figure 2 As shown, the absorbent core layer includes a first absorbent core 3, a tensile elastic sheet 4 and a second absorbent core 5 that are sequentially stacked from top to bottom, and the tensile elastic sheet 4 is adhered to the first absorbent core. The transverse middle of the lower surface of the core 3, which is not bonded to the upper surface of the second absorbent core 5;

[0042] a. Preparation of the tensile elastic sheet 4: the tensile elastic sheet 4 is sequentially compounded by the upper non-woven fabric 41, the elastic group and the lower non-woven fabric 42, and the elastic group is three stretch ratios distributed side by side along the longitudinal direction 1.8 times the ela...

Embodiment 2

[0064] Embodiment 2 and Embodiment 1 belong to the same inventive concept, and its difference from Embodiment 1 is that the preparation of the diversion layer includes the following steps:

[0065] The sheath-core fiber with a fiber length of 40mm and a fiber fineness of 3D is opened and mixed first, and the opened fiber is sent to the first carding machine through the air-flow feeding box to form a fiber web after repeated carding, and then passed through the stripping roller. The fiber web is peeled off to make a first fiber web composed of single fibers, and the pores between the fibers of the first fiber web are 30 μm;

[0066] The fiber length is 38mm, the fiber fineness is 1D, and the sheath-core fiber that has been treated with hydrophilicity is firstly opened and mixed, and the opened fiber is sent to the second carding machine through the air-flow feeding box for repeated carding to form fibers The web is peeled off by a stripping roller to form a second messy web compo...

Embodiment 3

[0076] Embodiment 3 and Embodiment 1 belong to the same inventive concept, and its difference from Embodiment 1 is that the preparation of the diversion layer includes the following steps:

[0077] The sheath-core fiber with a fiber length of 36mm and a fiber fineness of 4D is firstly opened and mixed, and the opened fiber is sent to the first carding machine through the air-flow feeding box to form a fiber web after repeated carding, and then passed through the stripping roller. peeling off the fiber web to make a first fiber web composed of single fibers, and the pores between the fibers of the first fiber web are 30 μm-60 μm;

[0078] The fiber length is 50mm, the fiber fineness is 2D, and the sheath-core fiber that has been treated with hydrophilicity is firstly opened and mixed, and the opened fiber is sent to the second carding machine through the air-flow feeding box for repeated carding to form fibers The web is peeled off by a stripping roller to form a second fiber w...

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Abstract

The present invention relates to the field of absorbent articles, in particular to a method for preparing an absorbent article with low excreta absorption, low rewet volume and good comfort, comprising the following steps: 1) preparing a liquid-permeable surface layer; 2) Prepare the diversion layer; 3) Prepare the absorbent core layer: the absorbent core layer includes a first absorbent core, a tensile elastic sheet and a second absorbent core that are sequentially stacked from top to bottom, and the tensile elastic sheet is adhered to Attached to the lateral middle of the lower surface of the first absorbent core, and not bonded to the upper surface of the second absorbent core; a, preparing a tensile elastic sheet; b, preparing the first absorbent core; c, preparing the second absorbent core core; 4) preparing a liquid-impermeable bottom layer; 5) compounding a liquid-permeable surface layer, a diversion layer, an absorbent core layer and a liquid-impermeable bottom layer in sequence, and then cutting to form individual low-rewet absorbent articles.

Description

technical field [0001] The invention relates to the field of absorbent articles, in particular to a preparation method for low-rewet absorbent articles. Background technique [0002] Traditional disposable absorbent articles mainly include a liquid-permeable surface layer, an absorbent body and a liquid-impermeable bottom layer that are stacked sequentially from top to bottom. Provides a comfortable and dry feeling when in contact with the body, while allowing liquids to pass freely into the underlying absorbent body. The liquid impermeable bottom layer is used to keep the absorbed liquid in the absorbent body, thereby preventing the absorbed liquid from soiling the wearer pants. In order to increase the absorption capacity, the existing absorbent articles usually increase the thickness of the absorbent body, but increasing the thickness of the absorbent body will result in reduced air permeability, increased cost, and easy breakage of the absorbent body; moreover, the abso...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61F13/15
CPCA61F13/15577
Inventor 谢锡佳王添辉利莉陈宗哲叶俊鸿何瑜梁倩儿
Owner GUANGDONG YINYIN CO LTD
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