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High-water-retaining hydrophilic core and manufacturing method thereof

A production method and a hydrophilic technology, which are applied in the field of high water-retention hydrophilic cores, can solve the problems of poor resilience, poor softness, and poor comfort, and achieve less liquid re-seepage, improved dryness, and less contact area. Effect

Inactive Publication Date: 2020-02-28
FUJIAN HENGAN HLDG CO LTD +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although it has the characteristics of fast liquid absorption, large water absorption, and good water-locking performance, it has poor softness when it is not absorbed, and poor resilience after absorbing water, which makes it less comfortable to use.

Method used

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  • High-water-retaining hydrophilic core and manufacturing method thereof
  • High-water-retaining hydrophilic core and manufacturing method thereof
  • High-water-retaining hydrophilic core and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] by figure 1 As an example, the further description of the production method of the high water retention hydrophilic core of the present embodiment is as follows:

[0039] 1) Prepare a hydrophilic hollow cylinder with EPE; (EPE (Expandable Polyethylene), is expandable polyethylene, also known as pearl cotton. It is a non-crosslinked closed-cell structure, and it uses low-density polyethylene (LDPE) as the main raw material High-foamed polyethylene products produced by extrusion. Because it is a completely independent cell body, it is light, flexible, and can be bent to absorb impact force, disperse, and have a cushioning effect, which overcomes the fragility, deformation and recovery of ordinary styrofoam. shortcoming).

[0040] 2) Seal one end of the hollow cylinder; the sealing method can be heat pressing, bonding, etc.

[0041] 3) filling SAP / SAF in the hollow cylinder;

[0042] 4) Close the other end of the hollow cylinder.

[0043] Wherein, after step 1), 2) or ...

Embodiment 2

[0045] This embodiment is an improvement of Embodiment 1, adding POE material to the EPE material to prepare a soft and hydrophilic hollow cylinder.

Embodiment 3

[0047] This embodiment is an improvement of Embodiment 1, such as image 3 As shown, wherein, step 3) is to carry out the following steps by a predetermined number of times:

[0048] 51) Fill the hollow cylinder with a predetermined amount of SAP / SAF;

[0049] 52) filling the spacer in the hollow cylinder;

[0050] 53) Return to step 51).

[0051] The purpose of adding spacers is to form multiple cavities in the hollow cylinder, so that the distribution (SAP / SAF) in the hollow cylinder is relatively uniform. Spacers can be selected from paper balls, plastic film balls, non-woven fabric balls, etc. as required. In order to facilitate mechanized production, it can be filled with quick-drying materials.

[0052] Wherein, the quantity isolated by the spacer can be set as required. The thickness of the spacer should not be too large. The better way is to fill it with lumps, so that when (SAP / SAF) absorbs liquid, it will expand, so that the spacer can be squeezed in the hollow...

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PUM

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Abstract

The invention discloses a high-water-retaining hydrophilic core and a manufacturing method thereof. The high-water-retaining hydrophilic core comprises a hollow cylinder made of a foam material, wherein the hollow cylinder is loaded with SAP / SAF; the wall of the hollow cylinder is provided with liquid channels, and at least the surface of the hollow cylinder and the surface of the liquid channelsare subjected to hydrophilic treatment. The high-water-retaining hydrophilic core has the advantages that the core of a hollow structure has a buffering effect and is capable of achieving user comfortableness; the hollow part forms a channel which is beneficial to longitudinal liquid flowing and diffusion; the contact area between the core and the skin is small, little liquid infiltration is achieved, dryness is increased, and high breathability is achieved; product deformation after liquid absorption is avoided, and sanitary supplies are still soft, dry and comfortable after liquid absorption.

Description

technical field [0001] The invention relates to a high water retention hydrophilic core body, in particular to a high water retention hydrophilic core body applied to sanitary products. Background technique [0002] The core body in the existing hygienic products is mainly made by filling the instant suction material between the upper and lower isolation layers. Although it can have the characteristics of fast liquid absorption, large water absorption, and good water-locking performance, it has poor softness when it is not absorbed, and poor resilience after absorbing water, which makes it less comfortable to use. Contents of the invention [0003] In order to overcome the above-mentioned defects, the object of the present invention is to provide a hydrophilic core with high resilience and high water retention and a manufacturing method thereof. [0004] In order to achieve the above object, the high water retention hydrophilic core body of the present invention includes ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F13/53A61F13/537A61F13/532C08J7/12C08L23/06C08L75/04
CPCA61F13/53A61F13/5323A61F13/53713A61F13/5376A61F2013/530036A61F2013/530481A61F2013/530708A61F2013/53782C08J7/12C08J2323/06C08J2375/04C08J2471/02C08J2483/08
Inventor 翁文伟吴晓彪祝二斌罗梅芳
Owner FUJIAN HENGAN HLDG CO LTD
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