KR20030088167A - Absorbent core for diaper and its producing method - Google Patents

Abstract

PURPOSE: A core for disposable diaper is provided to prevent leakage of the core by comprising high-water absorptive ability resin, enclosing the core with tissue and non-woven fabric and sealing entirely peripheral side of the diaper. CONSTITUTION: The core(2) is for producing the disposable diaper together with a back-sheet for forming an entire shape of the diaper and containing the core and an inner-sheet by the tissue and an adhesive such as hotmelt. The core(2) is prepared by using the tissue or the non-woven fabric(20) to enclose the entire portion of the core then sealing an opening portion(21) of the fabric by applying the hot melt to ensure the leakage prevention performance.

Description

Absorbent core for diaper and its producing method with enhanced superabsorbent resin leakage prevention function

The present invention relates to a paper diaper core and a method of manufacturing the same for enhanced superabsorbent resin leakage prevention function, and more specifically, pulp and superabsorbent in a paper diaper worn to treat large and small urine of infants and young children. The present invention relates to an improvement of the core which is composed of resin and is interposed in the center of the paper diaper to absorb it when excreted.

In general, diapers are largely divided into fabric diapers and paper diapers by the material is made of articles that are worn to treat the large, urine of infants, infants.

The fabric diapers are formed to have a certain width and length using mostly cotton material, and can be used repeatedly through the washing process when contaminated by large and small urine, and the advantages of saving resources, etc. It increases labor and is characterized by disadvantages that are difficult to store and handle.

In contrast, paper diapers consist of a core made of absorbent resin and pulp with excellent water absorption, and a back sheet for fixing the core and wearing the diaper. Along with the disadvantages, it has the advantage of reducing the housework labor of handling and housewives.

Among the diapers, the paper diaper is gradually used as the industrial development and the housewives' participation in social activities, and the paper diaper 1 is formed in a predetermined thickness and various shapes as shown in FIG. A core 11 formed by placing a tissue or nonwoven fabric 10 on the surface, and a backsheet 12 and a settled core 11 that enclose the core 11 and form a whole diaper. It is largely composed of an inner sheet (13) which is formed through the tissue and the non-woven fabric 10 and the adhesive to contact the skin when the diaper is worn.

The core 11 is a means for absorbing the excrement is composed of a mixture of the planar pulp and superabsorbent resin, as shown in Figure 2 by the suction action of the shaping pulp and superabsorbent resin molding drum It is molded to have a shape.

In addition, the tissue or nonwoven fabric 10 interposed on the surface of the core 11 and used as an adhesive means for maintaining the core shape and the inner sheet 13 is also settled in a flat shape corresponding to the shape of the core 11 or in the form of a core (like a roll shape). 11) It is interposed like a wrapper.

Paper diaper 1 as described above can be worn on infants, infants to process each feces, the excreted large urine, urine is absorbed by the core 11 placed in the center of the backsheet 12 is discharged to the outside To improve the convenience of use.

In addition, the paper diaper core 11 is formed by increasing the amount of superabsorbent resin injected with the surface pulp to improve the quality, so as to prevent the absorption of the absorbed water to the outside as well as absorbing a large amount of water.

However, the paper diaper core 11 is formed through a forming drum as shown in FIG. 2 and described above, except for a tissue or non-woven fabric 10 for maintaining the shape, there are no other control means for preventing the mixture from leaking. In addition, even if the tissue and the non-woven fabric 10 is formed to wrap, one side maintains an open state.

Thus, the increased superabsorbent resin caused a problem of leaking to the outside during or after using the paper diaper.

If the super absorbent polymer leaks as above, it may come into contact with the wearer's skin and damage the fragile infants and toddlers. I was hugging.

Accordingly, the present invention was created to solve the above problems, by wrapping the core formed through tissue and non-woven fabric to seal the front surface to prevent the superabsorbent resin from leaking when the paper diaper is used to increase the fit of the paper diaper and The aim is to improve the reliability of excreta disposal and to improve convenience and quality.

1 is a perspective view showing an example of a general paper diaper,

Figure 2 is a perspective view showing each use state of the paper diaper core applied to the prior art,

Figure 3 is a perspective view and a line A-A cross-sectional view showing an example of the paper diaper core reinforced with superabsorbent polymer leak prevention function to which the present invention is applied;

Figure 4 is a plan view and a cross-sectional view B-B line showing another embodiment of the paper diaper core reinforced with a super absorbent polymer leak prevention function to which the present invention is applied;

Figure 5 is a perspective view showing another embodiment of the paper diaper absorbent core reinforced leakage prevention function to which the present invention is applied,

6 is a cross-sectional view taken along the line C-C and a line D-D of FIG.

* Description of the symbols used in the main parts of the drawings *

2; paper diaper core

20; non-woven

21; Opening part

22; embossing part

Hereinafter, the configuration and operation of the present invention will be described with reference to the accompanying drawings.

3 is a perspective view and a cross-sectional view taken along line A-A showing an example of a paper diaper core reinforced with a super absorbent polymer leak prevention function to which the present invention is applied, FIG. A plan view and a cross-sectional view taken along line B-B of another embodiment of the core for diapers, FIG. 5 is a perspective view showing another embodiment of the paper diaper absorbent core having the improved leakage preventing function to which the present invention is applied, and FIG. It demonstrates together as C-C sectional drawing and D-D sectional drawing of this.

The present invention, the present invention for achieving the above object is a paper diaper core reinforced with a super absorbent polymer leak prevention function is molded to a predetermined thickness and shape through a forming drum and then wrapped around the whole using a tissue and nonwoven fabric Is formed.

This sealing treatment is carried out using an adhesive (hotmelt) or through embossing, in the case of tissue must be carried out sealing through the adhesive, the nonwoven fabric is sealed through the adhesive or embossing.

As described above, the core sealed through the tissue and the nonwoven fabric may fundamentally block the leakage of the super absorbent polymer during or after use of the paper diaper.

A core sealed through a tissue and a nonwoven fabric as described above will be described with reference to the following examples.

<Example 1>

Core (2) sealed after the completion of molding by using a tissue and a nonwoven fabric;

When sealing with a tissue and nonwoven fabric 20 to prevent leakage of the super absorbent polymer to the outside of the core (2) compared to the core 2 to the outside molded into a predetermined thickness and shape as shown in Figs. After wrapping the entire core 2 using a tissue and a nonwoven fabric 20 of a rather large size, the opening 21 is adhesively sealed by hotmelt coating or embossing.

In this way, the sealing operation using the tissue, unlike the non-woven fabric is required to apply the pressure-sensitive adhesive for bonding the open portion 21, because of the nature of the tissue material it is impossible to bond through embossing.

<Example 2>

A core 2 sealed with a nonwoven fabric in the molding process;

The core 2 formed through the suction action of the forming drum is interposed a nonwoven fabric 20 having a size slightly larger than that of the core 2 in the up and down direction, and then subjected to embossing heat treatment along the core 2 to a predetermined standard. By forming the embossed portion 22 of the nonwoven fabric to achieve an adhesive state.

As such, the nonwoven fabric 20 sealing the core 20 inwardly forms a cutting line E at the edge of the embossing part 22 as shown in FIG. 4 so that the entire core 2 can be sealed. As in Example 2, the sealing operation of the core 2 through embossing is available only for the nonwoven fabric 2 million.

The paper diaper core 2 sealed through the tissue and the nonwoven fabric as described above is fixed to the backsheet and the inner sheet using an adhesive, and the paper diaper equipped with the core 2 is worn on infants and toddlers and excreted them. If you do, absorb the urine.

As described above, paper diapers worn on infants and toddlers are stressed by various external forces such as wrinkling or pressing, torsion, and bending due to the wearer's activity, and thus the superabsorbent polymers injected together with the surface pulp of the core 2. The phenomenon of deviation occurs.

In this way, when the super absorbent polymer is separated from the planar pulp,

In the conventional core configuration, the core is separated and penetrates the inner sheet, causing problems such as affecting the wearer's skin or leaking to the outside in a gel state absorbing moisture, but sealing through tissue and nonwoven fabric as in the present invention. The treated core is capable of maintaining a more stable state by blocking the leakage of the super absorbent polymer, and further has the advantage that the wearing comfort is improved by increasing the moisture absorption reliability.

As described above, the present invention provides a paper diaper core and a method for manufacturing the paper diaper reinforced with a leak-proof supernatant by sealing the core mixed with a cotton pulp and a super absorbent polymer using a tissue or a nonwoven fabric. It is possible to prevent damage to the wearer's skin by preventing leakage.

In addition, by maintaining a uniform distribution of the super absorbent polymer is a useful invention that can improve the comfort by increasing the water absorption reliability.

Claims (4)

A core formed in a predetermined thickness and various shapes and formed by placing a tissue or nonwoven fabric on the surface thereof, a backsheet that forms the entire diaper and forms a shape of the entire diaper, a tissue outside the enclosed core, and In constructing a paper diaper comprising an innersheet formed through the nonwoven fabric and the adhesive to contact the skin when the diaper is worn; The core 2 placed in the paper diaper is A method for manufacturing a paper diaper for strengthening superabsorbent resin leakage, characterized in that it is produced by sealing the whole part using a tissue or a non-woven fabric after molding and sealing it through an adhesive (hotmelt) and embossing. The paper diaper core 2, Forming a tissue or non-woven fabric 20 surrounding the whole in a rather large standard to the outside, and the adhesive portion (hotmelt) is applied to the opening portion 21 of the tissue or non-woven fabric wrapped around the core by adhesive sealing Paper diaper core with enhanced water-absorbing resin leakage protection. The method of claim 2; The opening of the tissue or non-woven fabric 20 surrounding the core 2 is adhesively sealed by embossing, the paper absorbent core reinforced with a super absorbent resin, characterized in that the leakage prevention function The paper diaper core 2, Nonwoven fabric 20 interposed up and down, Embossing part 22 formed to a certain standard through the embossing heat treatment along the core (2) appearance interposed in the nonwoven fabric, The core for paper diaper reinforced reinforced super absorbent water, characterized in that the entire core (2) is sealed by forming a cutting line (E) at the edge of the embossing part 22 to cut.