KR100926802B1 - Absorbent article - Google Patents

Absorbent article Download PDF

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Publication number
KR100926802B1
KR100926802B1 KR1020070065202A KR20070065202A KR100926802B1 KR 100926802 B1 KR100926802 B1 KR 100926802B1 KR 1020070065202 A KR1020070065202 A KR 1020070065202A KR 20070065202 A KR20070065202 A KR 20070065202A KR 100926802 B1 KR100926802 B1 KR 100926802B1
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KR
South Korea
Prior art keywords
absorbent
sheet
herbal medicine
absorbent article
absorber
Prior art date
Application number
KR1020070065202A
Other languages
Korean (ko)
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KR20080096338A (en
Inventor
사오리 오카다
장려익
타츠야 타무라
Original Assignee
유니챰 가부시키가이샤
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to JP2007120339A priority Critical patent/JP4261593B2/en
Priority to JPJP-P-2007-00120339 priority
Application filed by 유니챰 가부시키가이샤 filed Critical 유니챰 가부시키가이샤
Publication of KR20080096338A publication Critical patent/KR20080096338A/en
Application granted granted Critical
Publication of KR100926802B1 publication Critical patent/KR100926802B1/en

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES
    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42Use of materials characterised by their function or physical properties
    • A61L15/44Medicaments
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/84Accessories, not otherwise provided for, for absorbent pads
    • A61F13/8405Additives, e.g. for odour, disinfectant or pH control
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES
    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/40Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing ingredients of undetermined constitution or reaction products thereof, e.g. plant or animal extracts
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES
    • A61L2300/00Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
    • A61L2300/20Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices containing or releasing organic materials
    • A61L2300/30Compounds of undetermined constitution extracted from natural sources, e.g. Aloe Vera
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES
    • A61L2300/00Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
    • A61L2300/40Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a specific therapeutic activity or mode of action
    • A61L2300/404Biocides, antimicrobial agents, antiseptic agents

Abstract

An object of the present invention is to provide an absorbent article in which an herbal absorbent material is used for an intermediate absorbent, which can be visually recognized and at the same time improve the visibility while exhibiting the function of the herbal medicine material.
The absorbent article 1 includes at least a surface sheet 10, an absorber 30, and a back sheet 20, and the absorber 30 includes an intermediate absorbent 32 and a base absorbent containing at least one kind of herbal medicine material ( 31). In addition, compression grooves 4 and 41 are formed to compress and join the surface sheet 10 and a part of the base absorbent body 31. The compression grooves 4 and 41 are formed at positions other than the arrangement area of the intermediate absorbent body 32.

Description

Absorbent article {ABSORBENT ARTICLE}

BRIEF DESCRIPTION OF THE DRAWINGS The top view of the absorbent article in embodiment of this invention.

2 is a rear view of the absorbent article in the embodiment of the present invention.

3 is a cross-sectional view taken along an X-X ray of the absorbent article in the embodiment of the present invention.

4 is a cross-sectional view taken along the line Y-Y of the absorbent article in the embodiment of the present invention.

5 shows the test results of Example 2 of the present invention.

6 shows the test results of Example 4 of the present invention.

<Explanation of symbols for main parts of drawing>

1: absorbent article

4, 41: compression groove

10: surface sheet

20: back sheet

30: absorber

31: base absorber

32: intermediate absorber

33: second sheet

321 mixed absorbent

322: exterior sheet

TECHNICAL FIELD The present invention relates to an absorbent article, and more particularly, to a functional absorbent article provided with a function other than an absorbent ability such as a deodorizing function.

In recent years, absorbent articles have been attempted not only to the basic function of absorbent holding such as excrement, but also to provide additional functions other than the absorbent holding function to increase the added value as a commodity.

Such other functions include deodorizing function, aroma function, antibacterial function, and heat function. And as a structure for providing another function, For example, following patent document 1, the functional sheet which hold | maintained the granular material of the functional material which gives a predetermined | prescribed function to an absorbent article is provided between a surface sheet and an absorber. The absorbent article arrange | positioned is proposed.

[Patent Document 1] Japanese Unexamined Patent Publication No. 2002-272769

The powder of such functional material is often colored in black, brown, yellow, etc., but it is preferable that the above-mentioned other functions are added to the product due to the color. . For this reason, it is preferable that it is the structure which a consumer can recognize easily that the site | part which exhibits a function is arrange | positioned at a specific location.

On the other hand, if these colors are unevenly dispersed or there is a difference in color tone, on the contrary, there is a fear that they will be mistaken for poor quality due to foreign substances.

Here, in the absorbent article of patent document 1, a functional sheet is arrange | positioned between a surface sheet and an absorber, and the functional sheet is compressed and integrated with a surface sheet and an absorber. For this reason, in a compression part, the surface of a functional sheet | seat becomes easy to expose, and colored granules appear interspersed in a compression groove | channel, and it looks like a foreign material, and there exists a problem that it causes a drastic fall of commodity.

The present invention provides an absorbent article in which a user can visually recognize the existence of an area for imparting the above functionalities, thereby increasing the value of the product and without misunderstanding the area for imparting the functionality as a quality defect such as a foreign material. For the purpose of

(1) An absorbent article comprising at least a liquid permeable surface sheet, a liquid impermeable back sheet, and an absorbent body disposed between the surface sheet and the back sheet, wherein the absorbent body is formed of a base absorbent body, the surface sheet, Disposed between the base absorbent and in the central region of the absorbent article, the intermediate absorbent having a color different from that of the surface sheet, the intermediate absorbent containing at least one or more colored herbal medicine materials, and excluding the region of the intermediate absorbent An absorbent article having a compression groove formed at a position by compressing a portion of the base absorbent body and the surface sheet.

(2) The absorbent article according to (1), wherein the compression groove is provided so as to surround the disposition region of the intermediate absorbent body.

(3) About lightness L * in the L * a * b * colorimeter measured on the said surface sheet side of the said absorbent article, it is in (1) or (2) which is in the range of following (i) and (ii). Absorbent articles.

(i) The difference of the brightness L * between the arrangement | positioning area of an intermediate absorber, and the peripheral area | region (except a compression groove | channel) of this arrangement area is 3.5 or more and 10 or less

(ii) the difference in brightness L * between the compression groove and the peripheral region is 1 or less;

(4) The absorbent article according to any one of (1) to (3), wherein the herbal medicine material contains leafy leaves, fragrant greens, and Angelica.

(5) The absorbent article according to any one of (1) to (4), wherein the intermediate absorbent has a sheet shape formed by applying a pressure after coating the mixed absorbent containing the herbal medicine with an exterior sheet.

(6) The absorbent article described in (5), further comprising a second sheet disposed between the surface sheet and the intermediate absorbent body, wherein the intermediate absorbent body is bonded to the second sheet.

EMBODIMENT OF THE INVENTION Hereinafter, embodiment of this invention is described with reference to drawings.

1 is a plan view of an absorbent article in the first embodiment of the present invention. 2 is a rear view of the absorbent article in the first embodiment of the present invention. 3 is a cross-sectional view taken along the X-X line of FIG. 1 in the first embodiment of the present invention. It is sectional drawing taken along the Y-Y line | wire of FIG. 1 in 1st Embodiment of this invention. 5 is a diagram showing the test results of Example 2 of the present invention. 6 (A) and 6 (B) are diagrams showing the test results of Example 4. FIG.

<Overall Configuration of Absorbent Goods>

As shown in Figs. 1 to 4, the absorbent article 1 according to the present invention is vertically elongated, and has a liquid permeable surface sheet 10, a liquid impermeable back sheet 20, and a surface sheet. It is arrange | positioned between 10 and the back sheet 20, and has at least the absorber 30 which absorbs and hold | maintains liquids, such as waste.

In the absorbent article 1, a strip-shaped absorbent portion 3 is formed along the longitudinal direction LD at a substantially center in the width direction WD of the absorbent article 1. The absorber 3 is composed of the surface sheet 10 and the absorber 30. In addition, the absorbing portion 3 is formed with compression grooves (4, 41). The compression grooves 4 and 41 are formed in an annular shape along the longitudinal direction LD to bond the surface sheet 10 and the base absorbent 31 described later constituting the absorbent body 30 to each other.

Wings 2R and 2L are formed on both sides of the width direction WD in the absorbent article 1 so as to protrude in the outward direction of the width direction WD. The blades 2R and 2L are formed by the side sheet 11 and the back sheet 20 which are arranged along the longitudinal direction LD on both sides of the surface sheet 10 in the width direction WD.

The back sheet 20 is disposed on the surface opposite to the surface on which the surface sheet 10 in the absorber 30 is disposed. In addition, as shown in FIG. 2, in the surface on the opposite side to the absorber 30 in the back sheet 20, the shift prevention part 21 and the wing side shift prevention parts 22R and 22L are formed.

As shown in FIG. 1, FIG. 3, the surface sheet 10 is arrange | positioned so that the absorber 30 may be covered by the surface on the opposite side to the surface where the back sheet 20 in the absorber 30 is arrange | positioned, and excrement A liquid such as permeate is passed through the absorber 30 described later.

The side sheet 11 can be arrange | positioned at both sides of the surface sheet 10 in the width direction WD. As for the side sheet 11, a part in the longitudinal direction LD of the absorbent article 1 is in the state which protruded toward the outer side of the width direction WD, and it is wing 2R, with the back sheet 20 mentioned later, 2L). In addition, the side sheet 11 is joined by the embossing part which is not shown in figure at substantially equal intervals along the longitudinal direction in the both sides of the width direction WD of the surface sheet 10. As shown in FIG. It is preferable that the member which comprises the side sheet 11 uses a water repellent sheet.

As shown in FIG. 2, FIG. 3, the back sheet 20 is arrange | positioned at the surface on the opposite side to the surface sheet 10 side in the absorber 30. As shown in FIG. The back sheet 20 constitutes a leakage preventing layer in the absorbent article 1. The back sheet 20 is formed of a liquid impermeable sheet, and can be controlled so that liquid such as excrement held in the absorber 30 does not adhere to the underwear.

<Configuration of Absorber>

Hereinafter, the absorber 30 which is a characteristic of this invention is demonstrated. As shown in FIGS. 1, 3 and 4, an absorber 30 is disposed between the front sheet 10 and the back sheet 20. The absorber 30 is mainly comprised by the base absorber 31 which absorbs and hold | maintains liquids, such as waste, and the intermediate absorber 32 which has a different function, absorbing liquids, such as waste.

The base absorbent body 31 absorbs and holds liquids, such as excrement. Specifically, liquid such as excreta that has passed through the intermediate absorbent body 32 described later is absorbed and retained. The base absorbent body 31 is disposed between the surface sheet 10 and the back sheet 20 and bonded to the surface sheet 10 by the compression grooves 4 and 41 described later. In addition, the base absorbent body 31 and the back sheet 20 are bonded to each other by a hot melt adhesive.

The base absorbent 31 is formed by, for example, laminating pulverized pulp 311 containing a superabsorbent polymer into a tissue 312. The unit weight of the tissue 312 is for example formed at 15 g / m 2. The unit weight of the ground pulp 311 is 300 to 500 g / m 2 in the arrangement area of the intermediate absorbent 32. Moreover, the unit weight of the area | regions other than the arrangement | positioning area of the intermediate absorbent 32 in the base absorbent 31 is 180-250 g / m <2>, Preferably it is 190-210 g / m <2>.

The intermediate absorbent 32 is disposed between the base absorbent 31 and the surface sheet 10, absorbs and retains liquid such as excrement transmitted from the surface sheet 10, and absorbs 30 together with the base absorbent 31. ). In addition, the intermediate absorbent 32 has a herbal medicine material contained in the intermediate absorbent 32 in addition to absorbing liquids such as feces, or the intermediate absorbent 32 has a color observed on the surface sheet 10 side. The seat 10 may have a different function. The intermediate absorber 32 will be described later.

In the absorbent portion 3 of the absorbent article 1, a compression groove 4 for joining the surface sheet 10 and the base absorbent body 31 is disposed. The compression groove 4 is formed by alternately arranging the low compression section and the high compression section. The compression groove 4 is formed in an annular shape so as to lengthen along the longitudinal direction LD. A portion near the end of the absorbent article 1 in the longitudinal direction LD of the absorbent article 4 is formed to protrude in an arc shape so that the substantially center portion in the width direction WD is closest to the end portion. In addition, a circular arc-shaped compression groove 41 is formed inside the region surrounded by the compression groove 4 so as to connect the annular compression groove 4 in the width direction WD. The intermediate absorbent body 32 mentioned later is arrange | positioned in the area | region enclosed by the compression groove 41 in the absorption part 3. In other words, the compression grooves 4 and 41 are formed at positions other than the arrangement area of the intermediate absorbent body 32.

<Configuration of Intermediate Absorber>

In the present embodiment, the intermediate absorbent 32 is disposed between the second sheet 33 and the base absorbent 31, as shown in FIGS. 1, 3, and 4. In addition, the intermediate absorbent body 32 is arrange | positioned in the center area | region in the absorption part 3, and is arrange | positioned in the position except the part in which the compression grooves 4 and 41 are formed. In other words, the compression grooves 4 and 41 are formed at positions other than the arrangement area of the intermediate absorbent body 32. The intermediate absorbent 32 absorbs liquid such as excreta and has a function different from that of the base absorbent 31.

The intermediate absorbent 32 is formed by wrapping the exterior sheet 322 with a predetermined amount of the mixed absorbent 321 in which at least one or more herbal medicine materials and absorbent pulp are mixed. The herbal medicine material may have other functions in addition to the function of absorbing liquid such as feces.

As the herbal medicine material used for the intermediate absorbent 32, it is preferable to use colored herbal medicine material. The intermediate absorbent body 32 can be visually recognized through the surface sheet 10 and the second sheet 33 by the color of black, brown, yellow, and the like of the herbal medicine material.

The function which the intermediate absorber 32 has absorbs liquids, such as excreta, and a deodorizing function is mentioned, for example. Furthermore, the absorbent article 1 and the skin may not be rubbed or ventilated, so that it may have an effect of reducing itching and inflammation, which may be caused by moisture and greasyness. The herbal medicine used for the intermediate absorbent 32 can be appropriately selected based on the function required for the intermediate absorbent 32.

The selection of the herbal medicine material is selected based on the function required for the intermediate absorbent 32 and is also taken into account in terms of the manufacturing process. Specifically, the particle size distribution and average particle diameter of the herbal medicine material are considered. For example, in forming the intermediate absorbent 32, the relationship with the average particle diameter of the absorbing pulp mixed with the herbal medicine material is considered. In the case where the average particle diameter is made larger than that of the absorbing pulp, the herbal medicine is interspersed in the intermediate absorbent body 32, whereby unevenness occurs and the appearance deteriorates. The average particle diameter of the herbal medicine material is preferably about half of the average particle diameter of the absorbing pulp. Specifically, 150-250 mesh is preferable.

In addition, selection of the herbal medicine material from a viewpoint of a manufacturing process is performed in consideration of the fluidity | liquidity of the herbal medicine material at the time of manufacture. In the process of conveying the herbal medicine material at the time of manufacture, aggregation of powder may arise, and movement may become difficult to generate | occur | produce. In such a case, the fluidity of the whole herbal medicine material can be ensured by mixing another herbal medicine material with high fluidity or increasing a mixing ratio.

The herbal medicine material used for the intermediate absorbent 32 can use at least one or more of the herbaceous leaf, Angelica, and fragrance | flavor which are the herbal medicine specifically ,. In this embodiment, the Angelica, Lobster, and Hyangbu are mixed at a ratio of 1: 1: 1, respectively. Thereby, the intermediate absorbent 32 can be made to have a deodorizing function and can be manufactured suitably.

The herbal medicine material used for the intermediate absorbent 32 is preferably colored. The color of the leaves used as the herbal medicine material is green to brown, the color of the Angelica is multicolored (tea color), and the color of the perfume is dark multicolored. By mixing the herbal medicines having these colors, the intermediate absorbent body 32 has a multi-brown color as a whole. Thereby, for example, the brightness difference (contrast) with the color of the surroundings of a white system arises, and the intermediate absorber 32 can be visually recognized by the surface sheet 10 side suitably.

Efficacy of Aegye (艾葉) warms the body, promotes appetite, promotes bile secretion, hemostatic action, abdominal pain, heartburn, diarrhea, constipation, nosebleeds, hematuria, hemorrhoids.

Efficacy of tangui (부인) includes blood loss, cold, and blood disorders for blood circulation, tonic, analgesic drugs as gynecological diseases.

Hyangbuja (香附 子) efficacy of dysmenorrhea, bleeding (淨 血), analgesic, sedatives such as dysmenorrhea, menstrual pain, menopausal disorders, such as gynecological diseases, chronic gastritis, duodenal ulcers, neuritis.

As the absorbent pulp mixed with the herbal medicine material, the same absorbent pulp used for the base absorbent body 31 can be used. As for absorbing pulp, 50-70 g / m <2> is preferable.

The herbal medicine material can use 40-60 g / m <2>, and in this embodiment, 0.1 g is used when it is 55 g / m <2>. By using this amount, it can be confirmed that the herbal medicine material is mixed in the intermediate absorbent body 32 through the surface sheet 10. In addition, unevenness does not easily occur in the distribution of the mixed herbal medicine materials. In the mixed absorbent body 321, when the herbal medicine material is less than 40 g / m <2>, it becomes difficult to visually recognize that the herbal medicine material is mixed through the surface sheet 10. FIG. Further, staining occurs in the distribution of the mixed herbal medicine materials. In addition, when there are more herbal medicines than 60 g / m <2>, since the quantity of the absorbing pulp in the mixed absorbent body 321 becomes small, absorption speed becomes bad and liquid return becomes easy. Moreover, since the ratio of the herbal medicine in the mixed absorbent body 321 becomes large, the sealing property by the exterior sheet 322 worsens, and the fall of herbal medicine material increases.

In this way, the amounts and ratios of the herbal medicines and the absorbing pulp in the mixed absorbent body 321 are determined in consideration of the absorbency, productivity of the intermediate absorbent body 32, and the balance in product appearance. In addition, in the absorbent article 1, it is preferable that the odor generated from the herbal medicine material can be confirmed.

The exterior sheet 322 is a sheet which wraps the mixed absorbent body 321 which consists of herbal medicine material and an absorption pulp as shown in FIG. The exterior sheet 322 is wrapped to wrap the mixed absorbent body 321, and the ends of the exterior sheet 322 are arranged so as to be stacked on each other on the base absorbent body 31 side.

In addition, the intermediate absorbent 32 is intermittently joined to the base absorbent 31. Specifically, the hot melt in which the surface on the side of the base absorbent 31 in the exterior sheet 322 constituting the intermediate absorbent 32 and the surface on the side of the intermediate absorbent 32 in the base absorbent 31 are intermittently arranged. Bonded by an adhesive. The intermittent herein means that the hot melt adhesive is not applied to the entire surface of the base absorbent body 31 side of the exterior sheet 322, but the adhesive is applied so as to have an area where the hot melt adhesive is not applied. For example, the adhesive is disposed on the adhesive surface in the form of dot, dotted, linear, spiral, or the like.

The exterior sheet 322 may be a liquid permeable sheet, for example, tissue can be used. In addition, the unit weight of the exterior sheet 322 is 16 g / m <2>, for example.

<Second sheet>

In the present invention, the second sheet 33 can be disposed between the intermediate absorbent 32 and the surface sheet 10 as necessary. The second sheet 33 is disposed between the intermediate absorbent 32 and the surface sheet 10 in a folded state as shown in FIG. 3.

 The second sheet 33 is disposed to cover the intermediate absorbent 32, but is preferably formed to be smaller than the area surrounded by the compression grooves 4 and 41 described later in the state in which the second sheet 33 is folded in two. Further, the second sheet 33 is formed to be equal to or larger than the area of the surface of the intermediate absorbent body 32 in the folded state. Specifically, the unit weight of the second sheet 33 is 20 g / m 2, and the length of the second sheet 33 in the length direction is 100 to 110 mm, preferably 90 to 110 mm in two sheets. Is formed.

The member used for the second sheet 33 is, for example, a core-sheath fiber made of polypropylene as a core and a sheath of polyethylene, and is formed of an air through nonwoven fabric made of 3.3 dtex and a fiber having a fiber length of 51 mm. . In addition, when the second sheet 33 is folded and used, for example, 20 g / m 2 nonwoven fabric, the unit weight is 40 g / m 2. The second sheet 33 is preferably formed to have a higher density than the surface sheet 10. Since the second sheet 33 has a higher density than the surface sheet 10, the liquid transferability from the surface sheet 10 can be improved.

Moreover, the intermediate | middle absorber 32 is bonded by the second sheet 33 to the surface by the side of the base absorbent 31 in the state folded in two. The second sheet 33 and the intermediate absorbent body 32 are joined by a hot melt adhesive. By bonding the intermediate absorbent 32 to the second sheet 33, the intermediate absorbent 32, the second sheet 33, and the surface sheet 10 are brought into closer contact with each other. For this reason, the user can confirm the intermediate absorbent body 32 through the surface sheet 10 and the second sheet 33 from the surface where the surface sheet 10 in the absorbent article 1 is arrange | positioned.

<Method for producing absorbent article>

The intermediate absorbent 32 and the absorbent article 1 are manufactured as follows. First, the mixed absorbent body 321 in which the herbal medicine material and the absorbing pulp are mixed at a predetermined ratio is laminated on the exterior sheet 322. And the whole is wrapped so that the mixed absorber 321 of the laminated herbal medicine and absorbing pulp may be wound by the exterior sheet 322. As shown in FIG. In this case, the ends of the exterior sheet 322 surrounding the mixed absorbent body 321 are stacked on each other. This laminated part is arrange | positioned so that it may become the base absorber 31 side. By arrange | positioning the part by which the exterior sheet 322 was laminated | stacked on the base absorber 31 side, it can suppress that the influence of the step | step by the laminated part extends to the surface sheet 10 side. Furthermore, the influence on the external appearance as a step | step or a sheet is laminated | stacked can be suppressed.

The mixed absorbent body 321 is compressed by applying a predetermined pressure in a state of being wrapped with the exterior sheet 322 and sheeted to a predetermined thickness. By this compression process, the space | gap in the intermediate absorbent body 32 becomes small, and the volume of the intermediate absorbent body 32 can be made small. In addition, when compressed, when a certain pressure is applied at the time of use, it is difficult to discharge the liquid such as excrement once absorbed, and liquid return can be suppressed. Furthermore, it can suppress that a liquid spreads on the surface sheet 10, when absorbing liquids, such as excrement.

In this compression process, the pressure applied to the intermediate absorbent 32 is preferably 2.0 to 3.3 kgf. In the case of a pressure smaller than 2.0 kgf, the penetration rate of the liquid in the intermediate absorbent body 32 becomes good, but the binding force by the exterior sheet 322 is small at the time of conveyance at the time of manufacture, and the mixed absorbent body falls off. In addition, when the pressure is larger than 3.3 kgf, the penetration rate at which the liquid such as excreta in the intermediate absorbent 32 penetrates is slowed.

Next, the intermediate absorbent 32 is bonded to the second sheet 33. Specifically, first, the second sheet 33 is laminated on the surface sheet 10 in a state of being folded in two and bonded to each other by a hot melt adhesive. The intermediate absorbent body 32 is laminated | stacked on the surface by the side of the base absorbent body 31 in the second sheet 33, and is bonded by hot melt adhesive. In this case, the intermediate absorbent body 32 is sheet | seated to predetermined thickness by the above-mentioned compression process, it is cut | disconnected to predetermined | prescribed size, and is laminated | stacked on the second sheet 33. As shown in FIG.

The length in the longitudinal direction LD of the intermediate absorbent body 32 is 55-85 mm, Preferably it is 45-100 mm. Moreover, the length in the width direction WD is 20-30 mm, Preferably it is 20-35 mm. In this embodiment, the length of the longitudinal direction LD is 65 mm, and the length of the width direction WD is 28 mm. When the length of the longitudinal direction LD is smaller than 45 mm, or when the length of the width direction WD is smaller than 20 mm, the herbal medicine material in the case where the unit weight suitable for the intermediate absorbent body 32 is used Recognition becomes difficult. Moreover, when the herbal medicine material necessary for deodorization is enclosed more than predetermined amount, there exists a deterioration, such as a fall of the herbal medicine material, and conveyance becomes difficult. When the length of the longitudinal direction LD is larger than 85 mm, or when the length of the width direction WD is larger than 35 mm, the intermediate absorbent body 32 overlaps the compression grooves 4 and 41 surrounding the periphery. In this case, the portion where the intermediate absorbent body 32 overlaps is compressed together with the compression grooves 4 and 41, so that the herbal medicine material is recognized as the compression grooves 4 and 41, and may be regarded as a foreign material.

As the surface opposite to the second sheet 33 of the surface sheet 10, side sheets 11 are disposed along the longitudinal direction LD on both sides of the width direction WD, and the surface sheet 10 and the side sheets ( 11) together by hot melt adhesive and / or embossing.

Next, the base absorbent 31 is further laminated on the surface on the side opposite to the second sheet 33 in the laminated intermediate absorbent 32 so as to cover the intermediate absorbent 32, and the base absorbent 31 and the surface sheet ( Compression grooves 4 and 41 are formed to integrate 10). In this case, the compression grooves 4 and 41 are formed at positions other than the arrangement area of the intermediate absorbent body 32. In other words, the intermediate absorbent body 32 is disposed in the region surrounded by the compression groove 4 and the compression groove 41. The intermediate absorbent body 32 is disposed almost at the center of the width direction WD and the longitudinal direction LD of the absorbing part 3, and is arranged in the place where the compression grooves 4 and 41 by embossing are not formed. . Therefore, the herbal medicine material is not compressed by the compression grooves 4 and 41. For this reason, the herbal medicine material is compressed by the compression grooves 4 and 41, and the appearance visibility of the color of the herbal medicine material being scattered is prevented from worsening. In addition, by forming the compression grooves 4 and 41, the absorbent article 1 can be given a predetermined rigidity, and the absorbent article 1 is twisted or liquid such as excrement diffuses on the surface of the absorbent portion 3. Can be suppressed.

In addition, the intermediate absorbent body 32 and the base absorbent body 31 are intermittently joined by a hot melt adhesive at the surface in contact with each other. Specifically, the hot melt adhesive is intermittently disposed on the surface where the intermediate absorbent 32 and the base absorbent 31 are in contact with each other, thereby joining each other. Since the hot melt adhesive is liquid impermeable, by intermittently disposing the hot melt adhesive, the permeation of the liquid from the intermediate absorbent 32 to the base absorbent 31 is not inhibited.

Therefore, the surface of the intermediate absorbent 32 which is in contact with the second sheet 33 and the base absorbent 31, respectively, is joined. In addition, since the second sheet 33 is bonded to the surface sheet 10, the intermediate absorbent 32 is indirectly bonded to the surface sheet 10, and the surface sheet 10 and the base absorbent 31 are indirectly bonded. do. Thereby, at the time of mounting this absorbent article 1, when the absorbent article 1 is twisted, it can suppress that the herbal medicine material comes out of the exterior sheet 322. As shown in FIG. Furthermore, the visibility of the herbal medicine in the intermediate absorbent body 32 can be maintained from the surface sheet 10 side.

In addition, it is preferable that the intermediate absorbent body 32 is arrange | positioned at least in the position where it is assumed that the body excretory opening in the absorbent article 1 is contacted. By being disposed at this position, the liquid such as excreta can be absorbed immediately as it is discharged. Moreover, since it is arrange | positioned in the position closest to liquids, such as excrement which is a source of odor generation, a deodorizing function can be exhibited suitably.

The back sheet 20 is arrange | positioned at the surface on the opposite side to the surface where the intermediate | middle absorber 32 in the base absorber 31 is arrange | positioned, and is bonded by hot melt adhesive.

<Regulation by color difference>

The intermediate absorbent 32 needs to be visible through the surface sheet 10 and the second sheet 33. Specifically, the difference of brightness L * in the L * a * b * colorimeter measured on the surface sheet 10 side is compared. That is, the arrangement | positioning area of the intermediate | middle absorber 32 and the peripheral area | region (but the compression grooves 4 and 41) of this arrangement area | region are excluded. For example, it is preferable that the difference of brightness L * from the position of the lead line end of the base absorber 31 in FIG. 1 is 3.5 or more and 10 or less. If the difference in brightness L * is less than 3.5, it is not preferable because the user cannot visually recognize the presence of the placement region of the intermediate absorbent 32 containing the herbal medicine material. In addition, if the difference of the brightness L * exceeds 10, it is not preferable because the presence of the placement area of the intermediate absorbent 32 becomes visually excessive and the hygiene of the original absorbent article is impaired.

In addition, the difference in brightness L * between the compression grooves 4 and 41 and the above-mentioned peripheral region is preferably 1 or less. In the present invention, since the compression grooves 4 and 41 are formed at positions other than the arrangement area of the intermediate absorbent body 32 containing the herbal medicine material, the colored herbal medicine material is formed by the formation of the compression grooves 4 and 41. Is not interspersed with the compression grooves 4 and 41. This means that the difference in brightness L * is small when viewed with the difference in brightness L *.

According to this embodiment, the position of the absorber containing the herbal medicine material can be arbitrarily selected by arrange | positioning the intermediate absorber 32 which mixed the herbal medicine material. When the herbal medicine material is mixed with the base absorbent body 31, the herbal medicine material is mixed with the whole base absorbent body 31. As shown in FIG. When the compression grooves 4 and 41 are formed in this state, the herbal medicines scattered over the entire base absorbent body 31 are also compressed. Doing so causes problems in appearance such that the compressed herbal medicine material may be visually recognized as black dots. These black spots are mistaken for the user as if dust or insects are mixed, and these absorbent articles may be perceived as defective. As in the present embodiment, the herbal medicine material is mixed and sheeted only in the intermediate absorbent material 32, whereby the position where the herbal medicine material is placed can be arbitrarily selected, thereby improving the visual visibility of the absorbent article 1, and furthermore, the compressed groove. By setting it as a structure in which the herbal medicine material is not located in (4, 41), it can prevent that the above mistake is made.

According to the present embodiment, by compressing the intermediate absorbent body 32 into a sheet, the voids in the intermediate absorbent body 32 can be reduced. For this reason, the liquid return | emitted discharged | emitted by applying a constant pressure of liquid, such as excretion once absorbed, can be reduced. Thereby, the user's discomfort in using the absorbent article 1 can be reduced.

According to this embodiment, the deodorizing effect can be expected for the absorbent article 1 by using the herbal medicine material for the intermediate absorbent body 32. Furthermore, another effect can also be expected by using the herbal medicine material which has another effect which reduces the symptoms peculiar to a woman during menstruation, such as itching.

According to the present embodiment, the herbal medicine material used for the intermediate absorbent body 32 is colored. Accordingly, the user can easily recognize that the herbal medicine material is used in the absorbent article 1. Furthermore, by mixing and using a leaf, Angelica, and fragrance | flavor, it can exhibit the function which these herbal medicine materials have, and can have suitable visibility. In addition, it can be expected that the user will induce feelings about the exercise of these functions due to the smell and color of these herbal materials.

According to the present embodiment, the intermediate absorbent body 32 is bonded to the second sheet 33. Therefore, the intermediate absorbent 32, the second sheet 33 and the surface sheet 10 can be brought into close contact with each other, and the presence of the intermediate absorbent 32 can be recognized by the user from the surface sheet 10 side. Thereby, the user can easily recognize the characteristic of this absorbent article 1. In addition, in this embodiment, although the 2nd sheet 33 was arrange | positioned between the surface sheet 10 and the intermediate absorber 32, the 2nd sheet 33 is not arrange | positioned, but the surface sheet 10 and the base absorber 31 are not provided. You may arrange | position the intermediate absorbent body 32 between ().

According to the present embodiment, the liquid permeability can be maintained even in the compression grooves 4 and 41. This is because the herbal medicine material does not penetrate the liquid, and thus, if the herbal medicine material is contained in the compression grooves 4 and 41, the liquid-impermeable portion becomes impermeable in the portion containing the herbal medicine material in the compression grooves 4 and 41. For this reason, when liquid, such as excretion, is excreted, there exists a possibility that a liquid may remain on the surface. However, in the present embodiment, since the compression grooves 4 and 41 are not formed in the region containing the herbal medicine material, the liquid permeability can be maintained even in the compression grooves 4 and 41.

According to this embodiment, Angelica gigas, leafy leaves, and fragrances are used as herbal medicine materials. By using these three kinds of herbal medicine materials, the function can be suitably exhibited in deodorizing effect and visibility. In addition, the fragrance of the herbal medicine material can be maintained for a long time. In addition, since these three types of herbal medicine materials are mixed and used also in product manufacture, since the fluidity | liquidity of a powdery herbal medicine material can be ensured, it can manufacture suitably.

In addition, in this embodiment, although the intermediate absorbent body 32 is arrange | positioned in the substantially center of the width direction WD and the longitudinal direction LD of the absorbent article 1, it is not limited to this. The intermediate absorbent 32 may be disposed at any position as long as the compression grooves 4 and 41 are not formed. In addition, although the compression grooves 4 and 41 are formed in annular form in this embodiment, it is not limited to this. For example, two rows of compression grooves 4 are formed along the longitudinal direction LD near both sides of the width direction WD of the absorber 3, and the intermediate absorbent body 32 is provided with the longitudinal direction LD therebetween. You may arrange | position in strip shape accordingly. The intermediate absorbent body 32 in this case may include at least the position where the excretory outlet is supposed to be in contact, and may be disposed over the entire absorbent portion 3, and arranged to extend to either of the end sides of the absorbent article 1. It may be.

In the present embodiment, the intermediate absorbent body 32 is formed by arranging the mixed absorbent body 3 containing the herbal medicine in a planar shape and enclosing the exterior sheet 322, but is not limited thereto. For example, the mixing absorber 321 may be partially disposed on the exterior sheet 322 so as to surround the exterior sheet 322. Specifically, it is possible to form the mixed absorbent body 321 in a so-called stripe shape or dot shape and wrap it in the exterior sheet 322.

In addition, in this embodiment, although the absorbent article 1 does not form what is called a three-dimensional wrinkle, you may arrange | position a three-dimensional wrinkle. For example, by folding the end portion of the side sheet 11 on the surface sheet 10 side along the longitudinal direction LD, the thread rubber is stretched at a constant magnification, and the side sheet 11 is fixed to the folded portion, thereby causing a three-dimensional wrinkle. Can form.

In addition, in this embodiment, although the intermediate absorbent body 32 of the absorbent article 1 is used as a sanitary napkin, it is not limited to this. For example, the intermediate absorbent 32 can be similarly arranged in a panty liner or a diaper (for adults or for children). Furthermore, it is also possible to use the intermediate absorber 32 independently. For example, the intermediate absorbent 32 may be arranged to fit the cloth sanitary napkin.

Example

Although the Example of this invention is described below, this invention is not limited to the following Example.

<Example 1>

The intermediate absorbent 32 was produced as follows. As a herbal medicine material, the leaflets and fragrance-wine Angelica were mixed at a ratio of 1: 1: 1 to 0.1 g and the unit weight was 55 g / m 2, and the unit weight was mixed with absorbent pulp having 66 g / m 2 and 16 g. It was wrapped in a tissue of / m 2 and sheeted under a pressure of 3.0 kgf. Then, the intermediate absorbent body 32 was inserted into the absorbent article 1 to prepare a sample.

The test method is as follows. The sample was enclosed in a tedlar bag with an amount of malodorous component sample and kept at a constant temperature for 240 minutes. Then, the atmosphere was elapsed for 240 minutes, and a simple concentration measurement was performed by a detection tube corresponding to each malodorous component sample. In the case of a wet test, 1 ml of water was contained in the filter paper and then enclosed in a tether bag with the sample. In addition, the malodor component sample was made into trimethylamine and ammonia.

Table 1 below shows the test results. The unit is ppm.

Time Lapse (min) Trimethylamine (dry) Trimethylamine (wet) Ammonia (dry) Ammonia (wet) 0 5.0 5.0 10.0 10.0 One 3.5 3.5 3.0 3.0 15 1.0 0.5 0.5 0.5 30 0.5 0.2 0.0 0.0 60 0.5 0.2 0.0 0.0 120 0.2 0.0 0.0 0.0 240 0.0 0.0 0.0 0.0 Sample mass 7.2 6.85 7.21 7.52

The dry test and the wet test were performed on trimethylamine and ammonia, respectively. As for all the results, the odor component density | concentration became 0 ppm from the start of test to 240 minutes, and the deodorizing effect was confirmed.

<Example 2>

The sample similar to the sample used in Example 1 was produced, and the sample was left to stand for 3 days, 14 days, and 28 days after preparation. Then, the samples left in each period were enclosed in a tether bag with a certain amount of malodorous component samples and kept at a constant temperature for 240 minutes. Then, the atmosphere was elapsed for 240 minutes, and a simple concentration measurement was performed by a detection tube corresponding to each malodorous component sample. The odor component sample used the mixed sample which mixed the four components of trimethylamine, ammonia, methyl mercaptan, and acetaldehyde. The test result is as shown in FIG.

According to FIG. 5, the density | concentration of the odor component sample was low also in any sample left to stand for 3 days, 14 days, and 28 days, and the deodorizing effect was confirmed. That is, even if it is left for a certain period of time, the deodorizing function can be exhibited.

<Example 3>

A sample similar to the sample used in Example 1 was prepared, and the region B other than the arrangement region A of the intermediate absorbent 32, the compression grooves 4 and 41 in the absorbent portion 3, and the intermediate absorbent 32. ) And the color difference between the portions C of the compression grooves 4 and 41 were measured. The measurement was carried out using a chromatic color difference meter (Model No .: CR-300) manufactured by Konica Minolta. In addition, the measurement produced three samples about two lots with respect to the herbal medicine material, and made the average into the measurement result. Table 2 below shows the test results. E, L *, a, b of a table show the value of the color difference, brightness, redness, and yellowness of a sample with respect to the reference color (white calibration plate) of the measuring apparatus in L * a * b * colorimeter, respectively.

Sample A B C E L * a b E L * a b E L * a b Average 1 12.26 -12.21 -0.03 1.15 3.19 -3.07 -0.79 -0.08 2.68 -2.51 -0.86 0.41 Average 2 7.96 -7.86 -0.34 1.22 3.75 -3.61 -0.99 -0.10 4.14 -4.07 -0.76 0.10

L * a * b * Compare the differences of brightness L * in the color system. The arrangement region A of the intermediate absorbent 32 has a result that the brightness L * is lower than that of the other regions B and C. In addition, the difference between the areas A and B of the brightness L * is 4.25 and is included in the preferred range.

<Example 4>

The same sample as the one used in Example 1 was produced. However, the amount of the herbal medicine in the intermediate absorbent 32 was set to 0.1 g for Sample 1 and 0.4 g for Sample 2. Each sample was allowed to pass for 28 days under the condition of 4 ° C or 50 ° C, respectively. And the change of the fragrance over time was tested. Evaluation was made into 5 steps of evaluation from 0 to 6 regarding the intensity | strength of fragrance. The test results are as shown in Figs. 6A and 6B.

FIG. 6A is a test result for the fragrance intensity of Sample 1 Sample 2 under the condition of 4 ° C, and FIG. 6B is a test for the fragrance intensity of Sample 1 Sample 2 under the condition of 50 ° C. The result is. According to FIG. 6 (A) and FIG. 6 (B), it turned out that the intensity | strength of the fragrance in the sample 1 and the sample 2 can be maintained even after passing for a fixed period.

According to the present invention, the user can visually recognize the presence of a region imparting the functionality by the color of the herbal medicine material, while providing an absorbent article that does not mistake the herbal medicine material for quality defects such as mixing foreign substances. Can be.

Claims (7)

  1. An absorbent article comprising a liquid permeable surface sheet, a liquid impermeable back sheet, and an absorbent body disposed between the surface sheet and the back sheet.
    The absorbent body is disposed between the base absorbent and the surface sheet and the base absorbent, and is disposed in the central region of the absorbent article, is different in color from the surface sheet, and is at least one type of color and has an average particle diameter of 150 to 250 mesh and 40 to 40 It has an intermediate | middle absorber formed by coating the mixed absorber which consists of 60 g / m <2> herbal medicine material and 50-70 g / m <2> absorption pulp with an exterior sheet, and then compresses and forms a sheet,
    An absorbent article having a compression groove formed by compressing a portion of the base absorbent body and the surface sheet at a position other than an arrangement area of the intermediate absorbent body.
  2. The absorbent article as set forth in claim 1, wherein said compression groove is provided so as to surround an arrangement area of said intermediate absorbent body.
  3. The absorbent article according to claim 1 or 2, wherein the absorbent article is in the range of the following (i) and (ii) with respect to the brightness L * in the L * a * b * colorimeter measured on the surface sheet side of the absorbent article:
    (i) The difference of the brightness L * between the arrangement | positioning area of an intermediate absorber, and the peripheral area | region except the compression groove of this arrangement area is 3.5 or more and 10 or less
    (ii) the difference in brightness L * between the compression groove and the peripheral region is 1 or less.
  4. The absorbent article as set forth in claim 1 or 2, wherein the herbal medicine contains a leaf, a sapling, and an angel.
  5. The second sheet according to claim 1 or 2, further comprising a second sheet disposed between the surface sheet and the intermediate absorbent member,
    The intermediate absorbent article is bonded to the second sheet.
  6. delete
  7. delete
KR1020070065202A 2007-04-27 2007-06-29 Absorbent article KR100926802B1 (en)

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KR20080096338A (en) 2008-10-30
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TWI463970B (en) 2014-12-11
CN101292930A (en) 2008-10-29
JP4261593B2 (en) 2009-04-30
JP2008272269A (en) 2008-11-13

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