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Absorbent and absorbent article including absorbent

An absorber and absorbent technology, applied in medical science, bandages, etc., can solve the problems of high-absorbent polymer shedding, easy to lose shape, high-absorbent polymer position deviation, etc., and achieve the effect of soft absorber

Active Publication Date: 2017-05-31
UNI CHARM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the absorbent body including many superabsorbent polymers has problems such as positional deviation of the superabsorbent polymer in use, detachment of the superabsorbent polymer from the absorbent body, easy loss of shape of the absorbent body as liquid is absorbed, etc.

Method used

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  • Absorbent and absorbent article including absorbent
  • Absorbent and absorbent article including absorbent
  • Absorbent and absorbent article including absorbent

Examples

Experimental program
Comparison scheme
Effect test

manufacture example 1

[0187] use Figure 7 The device shown achieves a grammage of 190g / m 2 Contains pulp, gram weight 10g / m 2 Contains thermoplastic resin fiber: 170g / m in gram weight 2 An absorbent core having a size of 340 mm in length x 110 mm in width and having an unadjusted thickness made of a sodium polyacrylate-based superabsorbent polymer (SAP, Super Absorbentpolymer). The above-mentioned thermoplastic resin fiber is a core-sheath fiber in which the core is polyethylene terephthalate, the sheath is polyethylene, the average fiber length is 30 mm, and the fineness is 2.2 dtex.

[0188] Next, the thickness of the absorbent core whose thickness was not adjusted was passed through a pair of flat rollers, and the thickness was adjusted to manufacture absorbent core No. 1.

manufacture example 2～6

[0190] Absorbent core Nos. 2 to 6 were produced in accordance with the procedure of Production Example 1 except that the ratio of thermoplastic resin fibers and pulp was changed as shown in Table 1.

Embodiment 1～5 and comparative example 1

[0192] Absorbent cores No. 1 to No. 6 were evaluated for dry strength, wet strength, flexural strength, and superabsorbent polymer shedding rate. Together, the results are shown in Table 1.

[0193] Moreover, the tensile strength of the thickness direction of the absorbent core No. 1-No. 5 of Examples 1-5 was 100 Pa or more.

[0194] [Table 1]

[0195]

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Abstract

The purpose of the present invention is to provide an absorbent which is flexible, not prone to creasing, and not prone to losing shape. This absorbent is configured as described below. An absorbent (3) for an absorbent article, the absorbent (3) characterized in that the absorbent (3) is provided with an absorbing core (5) having a first face (9) and a second face (10) on a reverse side thereof from the first face (9), the absorbing core (5) includes thermoplastic resin fibers (6), cellulose-based water-absorbent fibers (7), and a high-absorbent polymer (8), at least a portion of the thermoplastic resin fibers (6) have a first portion (6a) exposed to the first face (9) of the absorbing core (5), a second portion (6b) exposed to the second face (10) of the absorbing core (5), and a connecting portion (6c) for connecting the first portion (6a) and the second portion (6b), and the absorbing core (5) has a tensile strength of at least 1.6 N per 50 mm of width thereof when wet.

Description

technical field [0001] The present invention relates to an absorbent body and an absorbent article including the absorbent body. Background technique [0002] Absorbent articles, such as disposable diapers, are commercially available in which the absorbent body contains many superabsorbent polymers for the purpose of absorbing excrement of the wearer, such as a large amount of urine. However, an absorbent body comprising many superabsorbent polymers has problems of positional deviation of the superabsorbent polymer during use, detachment of the superabsorbent polymer from the absorbent body, easy loss of shape of the absorbent body as liquid is absorbed, and the like. [0003] As an absorbent body that can eliminate the above-mentioned problems, an absorbent body that has: an absorption retention layer formed of fluff pulp, a superabsorbent polymer, and thermally adhesive synthetic resin fibers; The woven fabric layer is arranged on the surface sheet side of the absorbent h...

Claims

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Application Information

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IPC IPC(8): A61F13/539
CPCA61F13/539
Inventor 宇田匡志丸山贵史
Owner UNI CHARM CORP