WO2011155455A1 - 吸収性物品 - Google Patents
吸収性物品 Download PDFInfo
- Publication number
- WO2011155455A1 WO2011155455A1 PCT/JP2011/062957 JP2011062957W WO2011155455A1 WO 2011155455 A1 WO2011155455 A1 WO 2011155455A1 JP 2011062957 W JP2011062957 W JP 2011062957W WO 2011155455 A1 WO2011155455 A1 WO 2011155455A1
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- WIPO (PCT)
- Prior art keywords
- sheet
- absorbent article
- medicine material
- halogen
- antifungal
- Prior art date
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/84—Accessories, not otherwise provided for, for absorbent pads
- A61F13/8405—Additives, e.g. for odour, disinfectant or pH control
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS 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
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/44—Medicaments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/47—Sanitary towels, incontinence pads or napkins
- A61F13/472—Sanitary towels, incontinence pads or napkins specially adapted for female use
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
Definitions
- the present invention relates to an absorbent article, and more particularly, to a functional absorbent article provided with a function other than an absorbent capacity such as a deodorizing function.
- absorbent articles are not only limited to the basic function of absorption and retention of excrement and the like, but have been tried to increase the added value as a product by adding other functions other than the absorption and retention function. .
- Patent Document 1 proposes an absorbent article having an absorbent body including at least one kind of Chinese medicine material.
- anti-fungal treatment has an anti-fungal effect in the irradiation of gamma rays. Even in an absorbent article having an absorbent containing a herbal medicine material, if a large amount of gamma rays are irradiated to the herbal medicine material, it is possible to prevent the occurrence of mold by completely killing the bacteria.
- the present invention has been made in view of the above situation, and an object of the present invention is to prevent the occurrence of mold in a herbal medicine material without impairing the function provided by the herbal medicine in an absorbent article having an absorbent containing the herbal medicine material. To do.
- the present inventors have found that it is possible to suppress the occurrence of mold while maintaining the fragrance function by applying a mildew-proofing treatment to the herbal medicine material with a halogen-based fungicide.
- the headline and the present invention were completed. More specifically, the present invention provides the following.
- An absorbent article comprising at least a liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorbent body disposed between the top sheet and the back sheet, the absorption
- the body includes at least one kind of Chinese herbal medicine material, and the Chinese herbal medicine material is an absorbent article obtained by performing a first fungicidal treatment with a halogen-based fungicidal agent.
- the mixture of the Chinese herb medicine material and the halogen antifungal agent is applied to a sheet constituting the absorber (1) or (2) Absorbent article.
- An absorbent article comprising at least a liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorber disposed between the top sheet and the back sheet, the absorption
- the body contains at least one kind of Chinese herbal medicine material, and a method for producing an absorbent article, wherein the Chinese herbal medicine material is subjected to a first antifungal treatment with a halogen-based antifungal agent and a second antifungal treatment with gamma irradiation. .
- the halogen-type antifungal agent is a solution having a concentration of 4 ppm or more and 500 ppm (weight / weight) or less, and the solution is sprayed from 0.1 L to 10 L per 100 kg of herbal medicine material (8) or (9) Manufacturing method of absorbent article.
- an absorbent article having an absorbent containing a traditional Chinese medicine material generation of mold in the traditional Chinese medicine material can be suppressed while maintaining the aromatic function of the traditional Chinese medicine material.
- the absorbent article 1 is formed in a vertically long shape, and is a liquid-permeable top sheet 10, a liquid-impermeable back sheet 20, a top sheet 10 and a back surface. It has an absorber 30 that is disposed between the sheet 20 and absorbs and holds liquid such as excrement.
- a strip-shaped absorbent portion 3 is formed along the longitudinal direction LD substantially at the center in the width direction WD of the absorbent article 1.
- the absorber 3 is composed of a top sheet 10 and an absorber 30.
- compressed grooves 4 and 41 are formed in the absorbing portion 3.
- the compressed grooves 4 and 41 are formed in an annular shape along the longitudinal direction LD, and join the top sheet 10 and a base absorbent body 31 (described later) constituting the absorbent body 30.
- Wings 2R and 2L are formed on both sides of the absorbent article 1 in the width direction WD so as to protrude outward in the width direction WD.
- the wings 2 ⁇ / b> R and 2 ⁇ / b> L are formed by the side sheet 11 disposed along the longitudinal direction LD on both sides in the width direction WD of the top sheet 10 and the back sheet 20.
- the back sheet 20 is arrange
- the slip prevention part 21 and the wing side slip prevention part 22R, 22L are formed in the surface on the opposite side to the absorber 30 in the back surface sheet 20.
- the top sheet 10 is disposed on the surface of the absorber 30 opposite to the surface on which the back sheet 20 is disposed so as to cover the absorber 30, and liquid such as excreta Is transmitted through the absorber 30 described later.
- Side sheets 11 can be disposed on both sides of the top sheet 10 in the width direction WD.
- a part of the side sheet 11 is in a state in which a part in the longitudinal direction LD of the absorbent article 1 protrudes outward in the width direction WD, and forms wings 2R and 2L together with a back sheet 20 described later.
- the side sheets 11 are joined by embossed portions (not shown) formed at substantially equal intervals along the longitudinal direction on both sides of the top sheet 10 in the width direction WD.
- the member constituting the side sheet 11 is preferably a water-repellent sheet.
- the back sheet 20 is disposed on the surface of the absorbent body 30 opposite to the top sheet 10 side.
- the back sheet 20 constitutes a leak-proof 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 undergarment.
- an absorber 30 is disposed between the top sheet 10 and the back sheet 20.
- the absorber 30 includes at least one kind of Chinese medicine material.
- herbal medicine materials specifically, at least one of herbal medicines such as cocoon leaf, katsukiko, toki, ginseng, benevolent grass, nine-fold grass, koeihide ⁇ , yam, mulberry mushroom, cocoon can be used.
- the herbal medicine material contained in the absorbent body 30 is subjected to a fungicidal treatment with a halogen-based fungicidal agent. This will be described later.
- the absorber 30 mainly absorbs and holds the liquid such as excrement and the Chinese herbal medicine material, thereby absorbing other liquids such as excrement.
- an intermediate absorber 32 having the same.
- the position of the absorber including the herbal medicine material can be arbitrarily selected, and the visibility on the appearance of the herbal medicine material in the absorbent article 1 can be improved. it can.
- the present invention can be implemented with appropriate modifications within the scope of the object.
- the herbal medicine material is not limited to the intermediate absorber 32 and may be provided by other methods.
- an absorbent article obtained by subjecting the traditional Chinese medicine material to the antifungal treatment according to the present invention is also an embodiment of the present invention. It is.
- the base absorber 31 absorbs and holds liquid such as excrement. Specifically, it absorbs and holds liquid such as excrement that has passed through an intermediate absorber 32 described later.
- the base absorbent body 31 is disposed between the top sheet 10 and the back sheet 20 and joined to the top sheet 10 by the compressed grooves 4 and 41. Further, the base absorbent body 31 and the back sheet 20 are joined to each other with a hot melt adhesive.
- the base absorbent body 31 is formed, for example, by laminating pulverized pulp 311 mixed with a superabsorbent polymer and wrapping it with a tissue 312.
- the basis weight of the tissue 312 is formed at, for example, 15 g / m 2 .
- the basis weight of the pulverized pulp 311 is 300 to 500 g / m 2 in the arrangement region of the intermediate absorber 32.
- the basis weight of the region other than the region where the intermediate absorber 32 is disposed in the base absorber 31 is 180 to 250 g / m 2 , preferably 190 to 210 g / m 2 .
- the intermediate absorber 32 is disposed between the base absorber 31 and the top sheet 10, and absorbs and holds liquid such as excrement that has permeated from the top sheet 10.
- the intermediate absorber 32 constitutes the absorber 30 together with the base absorber 31.
- the intermediate absorber 32 can have the function of the traditional Chinese medicine material contained in the intermediate absorber 32. The intermediate absorber 32 will be described later.
- a compressed groove 4 for joining the top sheet 10 and the base absorbent body 31 is disposed.
- the compressed groove 4 is formed by alternately arranging the low compression portion and the high compression portion.
- the compressed groove 4 is formed in an annular shape so as to be long along the longitudinal direction LD.
- the portions close to both ends of the longitudinal direction LD in the compressed groove 4 are formed to project in an arc shape so that the substantially central portion in the width direction WD is closest to the end portion of the absorbent article 1.
- a gentle arc-shaped compressed groove 41 is formed so as to connect the annular compressed groove 4 in the width direction WD.
- An intermediate absorber 32 described later is disposed in a region surrounded by the compressed groove 41 in the absorption unit 3. In other words, the compressed grooves 4 and 41 are formed at positions excluding the arrangement region of the intermediate absorber 32.
- the intermediate absorbent body 32 is disposed between the second sheet 33 and the base absorbent body 31 as shown in FIGS. 1, 3, and 4. Further, the intermediate absorbent body 32 is disposed in the central region of the absorbent portion 3 and is disposed at a position excluding the portion where the compressed grooves 4 and 41 are formed.
- the intermediate absorbent body 32 is formed by wrapping a predetermined amount of a mixed absorbent body 321 obtained by mixing at least one Chinese herbal medicine material and absorbent pulp with an exterior sheet 322. And the intermediate
- Examples of the function of the intermediate absorber 32 include absorption of liquid such as excrement and a deodorizing function. Furthermore, you may make it have an effect of reducing the itching and the rash which may arise when the absorbent article 1 and skin are rubbed or stuffy.
- the traditional Chinese medicine material used for the intermediate absorber 32 can be appropriately selected based on the function required for the intermediate absorber 32.
- the selection of the Chinese medicine material is selected based on the function required for the intermediate absorber 32 and is also considered from the viewpoint of the manufacturing process. Specifically, the particle size distribution and average particle size of the traditional Chinese medicine material are considered. For example, in forming the intermediate absorbent body 32, the relationship with the average particle diameter of the absorbent pulp mixed with the traditional Chinese medicine material is considered. When the average particle size is made larger than that of the absorbent pulp, the Chinese medicine material is scattered in the intermediate absorbent body 32, causing unevenness and the appearance is deteriorated.
- the average particle size of the traditional Chinese medicine material is preferably about half of the average particle size of the absorbent pulp. Specifically, 150 to 250 mesh is preferable.
- the selection of Chinese herbal materials from the viewpoint of the manufacturing process is performed considering the fluidity of the Chinese herbal materials at the time of manufacturing. Aggregation of powders may occur in the process of transporting Chinese medicine materials during production, and movement may be difficult to occur. In such a case, the fluidity of the whole Chinese herbal medicine material can be ensured by mixing other Chinese herbal medicine materials with high fluidity or increasing the mixing ratio.
- the herbal medicine used for the intermediate absorber 32 is at least one of herbal medicines such as cocoon leaf, katsukiko, toki, ginseng, maternal herb, nine orchid grass, koi ei, yam, mulberry mushroom, and cocoon.
- One or more can be used.
- kashiwa, Toki, and Katsuki are mixed at a ratio of 1: 1: 1.
- middle absorber 32 it can manufacture suitably.
- middle absorber 32 also as a structure which uses a ginseng instead of said Katsuki.
- the herbal medicine material used for the intermediate absorber 32 is preferably colored.
- the color of the koji leaf used as a traditional Chinese medicine material is from green to brown, the color of Toki is brown, and the color of Katsuki is dark brown.
- the intermediate absorber 32 has a brownish brown color as a whole. Thereby, for example, a brightness difference (contrast) with the surrounding color of the white system is generated, and the intermediate absorbent body 32 can be suitably viewed from the top sheet 10 side.
- cocoon leaves are warming the body, increasing appetite, promoting bile secretion and hemostasis, and can include abdominal pain, heartburn, diarrhea, constipation, nosebleeds, hematuria, and sputum.
- Toki gynecological diseases can be mentioned as blood replacement, tonic and analgesic for poor blood color, coldness, and blood circulation disorder.
- menstruation such as menstruation, blood purification, analgesia, sedatives, menstrual irregularities, menstrual pain, menopause, etc., chronic gastritis, duodenal ulcer, neurogenic gastritis can be mentioned.
- the absorbent pulp mixed with the herbal medicine material can be the same as the absorbent pulp used for the base absorbent body 31.
- the absorbent pulp is preferably 50 to 70 g / m 2 .
- the herbal medicine material can use 10 to 200 g / m 2 , preferably 40 to 70 g / m 2 . In this embodiment, 0.0735 g is used at 47.7 g / m 2 . By using this amount, it can be confirmed that the traditional Chinese medicine material is mixed in the intermediate absorber 32 through the top sheet 10. In addition, unevenness is less likely to occur in the distribution of the mixed Chinese medicine materials. In the mixed absorbent body 321, when the amount of the Chinese medicine material is less than 10 g / m 2 , it is difficult to visually recognize that the Chinese medicine material is mixed through the top sheet 10. Furthermore, unevenness occurs in the distribution of the mixed Chinese medicine material.
- the amount and ratio of the herbal medicine material and the absorbed pulp in the mixed absorbent body 321 are determined in consideration of the absorbability and productivity of the intermediate absorbent body 32 and the balance on the product appearance. Moreover, in the absorbent article 1, it is preferable that the odor emitted from the Chinese medicine material can be confirmed.
- seat 322 is a sheet
- the exterior sheet 322 is wrapped around the mixed absorbent body 321 and arranged so that the end portions of the exterior sheet 322 are stacked on the base absorbent body 31 side.
- the intermediate absorber 32 is intermittently joined to the base absorber 31.
- the outer absorbent sheet 322 constituting the intermediate absorbent body 32 is joined by a hot melt adhesive in which the surface on the base absorbent body 31 side and the surface of the base absorbent body 31 on the intermediate absorbent body 32 side are intermittently arranged.
- intermittent means that the hot melt adhesive is not applied to the entire surface of the exterior sheet 322 on the base absorbent body 31 side, but the adhesive is applied so as to have a region where the hot melt adhesive is not applied. That means.
- the adhesive is arranged on the bonding surface in the form of dots, dotted lines, lines, spirals, or the like.
- the exterior sheet 322 may be a liquid-permeable sheet, and for example, a tissue can be used. Moreover, the basis weight of the exterior sheet 322 is, for example, 16 g / m 2 .
- a second sheet 33 can be disposed between the intermediate absorber 32 and the top sheet 10 as necessary. As shown in FIG. 3, the second sheet 33 is disposed between the intermediate absorbent body 32 and the top sheet 10 in a folded state.
- the second sheet 33 is disposed so as to cover the intermediate absorber 32, and is formed to be smaller than the region surrounded by the compressed grooves 4 and 41 in a state where the second sheet 33 is folded in half. Is preferred. Further, the second sheet 33 is formed to be the same as or larger than the area of the surface of the intermediate absorber 32 in a state where the second sheet 33 is folded in half. Specifically, the basis weight of the second sheet 33 is 20 g / m 2 , and the second sheet 33 is formed by folding a sheet having a longitudinal length of 100 to 110 mm, preferably 90 to 110 mm in half.
- the member used for the second sheet 33 is, for example, a fiber having a core-sheath structure in which polypropylene is used as a core and polyethylene is used as a sheath, and is formed of an air-through nonwoven fabric made of 3.3 dtex and a fiber length of 51 mm.
- the second sheet 33 is preferably formed so as to have a higher density than the top sheet 10. Since the second sheet 33 has a higher density than the top sheet 10, the liquid transfer from the top sheet 10 can be enhanced.
- the intermediate sheet 32 is joined to the surface of the second sheet 33 on the side of the base absorbent body 31 in the folded state.
- the second sheet 33 and the intermediate absorber 32 are joined by a hot melt adhesive.
- the intermediate absorber 32 By joining the intermediate absorber 32 to the second sheet 33, the intermediate absorber 32, the second sheet 33, and the top sheet 10 are more closely attached. For this reason, the user can confirm the intermediate
- the traditional Chinese medicine material contained in the absorber 30 is subjected to an antifungal treatment with a halogen antifungal agent.
- This is the first mold prevention treatment in the present embodiment.
- halogen-based antifungal agents haloacetylene compounds having a broad antifungal spectrum in a wide pH range are preferably used. Iodine compounds are preferred from the viewpoints of safety and broad antibacterial spectrum / antifungal spectrum.
- IPBC 3-Iodo-2-propynylbutyl carbamate
- the haloacetylene compound When a haloacetylene compound such as IPBC is used, the haloacetylene compound also has a defect of gradually decomposing and coloring at a high temperature for a long time. For this reason, there was the present condition that it was not able to apply very much to the conventional sanitary goods etc. which emphasize whiteness based on white.
- the absorbent article according to the present embodiment includes a material that tends to cause mold, a Chinese herbal medicine material, and is originally colored so that the user can visually recognize the colored Chinese medicine material. It is a thing. For this reason, even if IPBC is decomposed and colored, the product is masked by the color of the herbal medicine itself.
- a haloacetylene compound that can compensate for the disadvantage of decomposition and coloring of the haloacetylene compound can be applied because of the combination of the absorbent article and the Chinese medicine material.
- the treatment method is not particularly limited, and the treatment can be performed in the absorbent body 30 by making the fungicide directly contact the Chinese medicine material.
- a method of dissolving and directly adhering to a solvent such as alcohol can be exemplified.
- a halogen-based antifungal agent is added to a herbal medicine that has been previously pulverized to have an average particle size of 150 to 250 mesh. Spray the dissolved alcohol solution.
- each type of Chinese herbal medicine material may be sprayed with a halogen-based antifungal solution individually, or after mixing two or more kinds of Chinese herbal medicine ingredients, The material may be sprayed with a halogen-based fungicide solution.
- the treatment amount of the halogen-based fungicide at this time can be exemplified by an amount of spraying about 0.1 to 10 L of halogen-based fungicide solution having a concentration of 4 ppm or more and 500 ppm (weight / weight) per 100 kg of herbal medicine material, for example. . If it is less than 4 ppm, the antifungal effect is not sufficient, and if it is more than 500 ppm, the effect of the above-mentioned decomposed colored products may exceed the masking effect, and the merchantability of the absorbent article may be reduced.
- the minimum inhibitory concentration such as IPBC is several ppm to several hundred ppm depending on the bacterial species, and since the effect is obtained only by adhering to the surface of the particulate Chinese herbal medicine material, the above-mentioned addition of a small amount is sufficient to prevent mold. is there.
- the herbal medicine material sprayed with the halogen-based antifungal agent is dried to volatilize the alcohol used as the solvent.
- the combined use of the drying step is a preferable step because the herbal medicine material can be dried to further suppress the generation of mold.
- the melting point of IPBC is 66 ° C. to 68 ° C., and therefore, it should be placed in a high temperature environment of, for example, 60 ° C. Can promote drying.
- the antifungal treatment is applied to the Chinese herb medicine material by spraying a halogen-type antifungal solution onto the surface of the Chinese medicine material, but the present invention is not limited to this.
- the absorbent article 1 may be manufactured by mixing Chinese medicine materials and a halogen-based antifungal agent and applying the obtained mixture to the exterior sheet 322 constituting the absorbent body 30.
- ⁇ Second mold prevention treatment> The antifungal effect can be further enhanced by irradiating the herbal medicine material with gamma rays simultaneously with or after drying. This is the second antifungal treatment in this embodiment. Since gamma rays can reduce the initial number of bacteria, it is a preferable step because it can further suppress the generation of mold, as in the drying step described above. However, as described in the prior art, the bacteria are completely killed. On the other hand, when irradiating such a large amount of gamma rays, there is a problem that the volatile components of the herbal medicine decrease and the aromatic function of the herbal medicine material itself decreases.
- this second mold prevention treatment is performed in combination with the first mold prevention treatment.
- the irradiation amount of gamma rays is preferably 1 KGY or more and less than 5 KGY. If it is less than 1KGY, even if used in combination, the effect of reducing the initial number of bacteria is insufficient, and the synergistic effect of the two-stage fungicidal effect is not recognized. On the other hand, if it is 5 KGY or more, the fragrance function of the traditional Chinese medicine material is lowered, which is not preferable.
- the mixed absorbent body 321 obtained by mixing the above-described anti-fungal treatment Chinese medicine material and absorbent pulp at a predetermined ratio is laminated on the exterior sheet 322. And the whole is wrapped so that the mixed absorbent body 321 of the laminated Chinese herbal medicine material and absorbent pulp is wound around the exterior sheet 322.
- the end portions of the exterior sheet 322 enclosing the mixed absorbent body 321 are stacked on each other.
- This laminated portion is arranged so as to be on the base absorbent body 31 side.
- the intermediate absorbent body 32 is formed such that the mixed absorbent body 321 containing the herbal medicine material is arranged in a planar shape and the exterior sheet 322 is wrapped, but is not limited thereto.
- the mixed absorbent body 321 may be disposed between two laminated exterior sheets 322 and the peripheral portions of the two exterior sheets 322 may be joined with a hot melt adhesive.
- the mixed absorbent body 321 is compressed by applying a predetermined pressure in a state of being wrapped in the exterior sheet 322, and is formed into a sheet with a predetermined thickness.
- a predetermined pressure in a state of being wrapped in the exterior sheet 322, and is formed into a sheet with a predetermined thickness.
- the voids in the intermediate absorber 32 are reduced, and the volume of the intermediate absorber 32 can be reduced.
- by being compressed when a constant pressure is applied during use, it becomes difficult to discharge liquid such as excrement once absorbed, and liquid return can be suppressed. Furthermore, when the liquid such as excreta is absorbed, the liquid can be prevented from diffusing on the top sheet 10.
- the pressure applied to the intermediate absorber 32 in this compression treatment is preferably 2.0 to 3.3 kgf.
- the pressure is less than 2.0 kgf, the liquid permeation rate in the intermediate absorbent 32 is improved, but the restraining force by the exterior sheet 322 is small during conveyance during production, and the mixed absorbent is dropped.
- the pressure is higher than 3.3 kgf, the permeation rate of the liquid such as excrement in the intermediate absorbent body 32 is slow.
- the intermediate absorber 32 is joined to the second sheet 33.
- the second sheet 33 is laminated on the top sheet 10 in a folded state, and joined together with a hot melt adhesive.
- the intermediate absorbent body 32 is laminated on the surface of the second sheet 33 on the base absorbent body 31 side, and is joined by a hot melt adhesive.
- the intermediate absorbent body 32 is formed into a sheet having a predetermined thickness by the above-described compression process, and is cut into a predetermined size and laminated on the second sheet 33.
- the length of the intermediate absorber 32 in the longitudinal direction LD is 55 to 85 mm, preferably 45 to 100 mm.
- the length in the width direction WD is 20 to 30 mm, preferably 20 to 35 mm. In the present embodiment, the length in the longitudinal direction LD is 65 mm, and the length in the width direction WD is 28 mm.
- the length in the longitudinal direction LD is smaller than 45 mm, or the length in the width direction WD is smaller than 20 mm, it is difficult to visually recognize the Chinese medicine material when the basis weight is suitable for the intermediate absorber 32. Become.
- a larger amount of Chinese medicine material necessary for deodorization is encapsulated, there is an adverse effect such as dropping off the Chinese medicine material, which makes conveyance difficult.
- the intermediate absorber 32 overlaps with the compressed grooves 4 and 41 surrounding the periphery. Then, the portion where the intermediate absorbent body 32 overlaps is compressed together with the compressed grooves 4 and 41, so that the herbal medicine material is visually recognized by the compressed grooves 4 and 41 and may be regarded as foreign matter.
- Side sheets 11 are disposed along the longitudinal direction LD on both sides of the width direction WD on the opposite side of the top sheet 10 from the second sheet 33, and the hot melt adhesive together with the top sheet 10 and the side sheets 11. And / or by embossing.
- a base absorbent body 31 is further laminated on the surface of the laminated intermediate absorbent body 32 opposite to the second sheet 33 so as to cover the intermediate absorbent body 32, and the base absorbent body 31 and the top sheet 10 are attached.
- the compressed grooves 4 and 41 are formed so as to be integrated.
- the compressed grooves 4 and 41 are formed at positions excluding the arrangement region of the intermediate absorber 32.
- the intermediate absorber 32 is disposed in a region surrounded by the compressed groove 4 and the compressed groove 41.
- the intermediate absorber 32 is disposed at the approximate center in the width direction WD and the longitudinal direction LD of the absorber 3 and is disposed at a place where the compressed grooves 4 and 41 are not formed by the embossing process.
- the herbal medicine material is not compressed by the compressed grooves 4 and 41. For this reason, it prevents that the visibility on the external appearance by the color of a Chinese medicine material appearing to be scattered by compressing the Chinese medicine material by the compression grooves 4 and 41 deteriorates. Further, by forming the compressed grooves 4 and 41, a predetermined rigidity can be given to the absorbent article 1, so that the absorbent article 1 is swung or liquid such as excrement diffuses on the surface of the absorbent portion 3. This can be suppressed.
- the intermediate absorbent body 32 and the base absorbent body 31 are intermittently joined with a hot melt adhesive.
- the hot melt adhesive is intermittently disposed so that they are joined to each other.
- the hot melt adhesive is liquid-impermeable, but intermittently disposing the hot melt adhesive does not impede liquid permeation from the intermediate absorbent body 32 to the base absorbent body 31.
- the intermediate absorbent body 32 is bonded to the surfaces in contact with the second sheet 33 and the base absorbent body 31.
- the intermediate absorbent body 32 is indirectly joined to the topsheet 10, and the topsheet 10 and the base absorbent body 31 are joined indirectly.
- a Chinese herbal medicine material comes out of the exterior sheet
- FIG. Furthermore, the visibility of the Chinese medicine material in the intermediate
- the intermediate absorbent body 32 is disposed at a position where at least the body excretion port in the absorbent article 1 is supposed to come into contact.
- positioning in the said position liquids, such as excrement, are discharged
- middle absorber 32 is arrange
- the back sheet 20 is arrange
- the intermediate absorber 32 is joined to the second sheet 33.
- seat 33, and the surface sheet 10 can be stuck, and a user can recognize presence of the intermediate
- the second sheet 33 is disposed between the top sheet 10 and the intermediate absorbent body 32, but the second sheet 33 is not disposed, and the intermediate sheet is disposed between the top sheet 10 and the base absorbent body 31.
- the body 32 may be arranged.
- the absorbent article 1 does not form a so-called three-dimensional gather, but a three-dimensional gather may be arranged.
- the end of the side sheet 11 on the side of the top sheet 10 is folded back along the longitudinal direction LD, the thread rubber is sandwiched in a stretched state at a constant magnification, and fixed to the folded portion of the side sheet 11 to form a three-dimensional gather. can do.
- the intermediate absorbent body 32 of the absorbent article 1 is used as a sanitary napkin, but is not limited thereto.
- the intermediate absorbent body 32 can be similarly disposed in a panty liner or a diaper (for adults and children).
- the intermediate absorbent body 32 can be disposed so as to be sandwiched between cloth napkins.
- the absorbent article 1 having the absorbent body 30 containing the traditional Chinese medicine material by applying the anti-mold treatment by spraying the halogen-type anti-mold agent to the traditional Chinese medicine material, It is possible to prevent the occurrence of mold in the traditional Chinese medicine material without impairing the function to be provided. Moreover, generation
- fungi can be prevented more effectively by irradiating a predetermined amount of gamma rays to a Chinese medicine material in addition to the said process.
- the absorbent article 1 can be expected to have a deodorizing effect.
- the absorbent article 1 when the absorbent article 1 is attached to the user's body and heated by the body temperature, the volatile components contained in the Chinese medicine material are used after passing through the exterior sheet 322, the second sheet 33, and the top sheet 10 wrapped with the Chinese medicine material. Penetrates the person's skin. With this action, for example, it is possible to expect other effects such as reducing itinerary-specific symptoms such as itching. At this time, since the halogen-type fungicide fixed to the Chinese medicine powder does not volatilize at body temperature, it stays on the surface of the Chinese medicine material, and the fungicide does not act on the user's body.
- the intermediate absorbent 32 absorbs the body fluid discharged from the user's body
- the water-soluble component is dissolved from the Chinese herbal medicine material mixed with the pulp and penetrates into the wearer's skin.
- the halogen-based antifungal agent hardly dissolves in water, it stays on the surface of the Chinese herbal medicine and is safe because the antifungal agent does not come into contact with the user's body.
- a mold-proofing process with a higher effect by combining with another mold-proofing process after the mold-proofing process with a halogen-type mold-proofing agent.
- other antifungal agent treatment such as treatment with paraben and hinokitiol, sterilization with electromagnetic radiation other than gamma rays, and the like can be performed in combination.
- FIG. 5 is a top view of an absorbent article according to another embodiment of the present invention
- FIG. 6 is a schematic cross-sectional view of the intermediate absorbent body 32a.
- the halogen antifungal agent is not directly attached to the surface of the Chinese herbal medicine material, and the Chinese herbal medicine material is in contact with the sheet containing the halogen antifungal agent, so that The point which is an aspect which provides a halogen-type antifungal agent indirectly to a Chinese medicine material differs from said 1st embodiment.
- the intermediate absorber 32a is composed of two upper and lower exterior sheets 322a and a mixed absorber 321 disposed therebetween, and the outer peripheral edge of the intermediate absorber 32a is heated. Or it is joined with an adhesive or the like.
- a halogen-based antifungal agent 5 is previously applied and formed on both inner surface sides of the exterior sheet 322a by a conventionally known printing method or the like, and a mixed absorbent body 321 is disposed at the center.
- the mixed absorbent body 321 containing the herbal medicine material is disposed within the application range of the halogen-based antifungal agent 5. By disposing within this range, the antifungal effect of the antifungal agent can surely act on the whole Chinese herbal medicine material.
- the application of the halogen-based fungicide 5 may be carried out by converting the halogen-based fungicide 5 into an ink or coloring this ink.
- coloring as shown in FIG. 5, the colored halogen-based antifungal agent 5 is formed along the outer peripheral edge of the intermediate absorber 32a, and it is easy for the consumer to visually recognize that the herbal medicine is blended. There is an effect.
- the intermediate absorber 32 was produced as follows. Three kinds of Kampo, Toki, and Katsuki were used as herbal medicine materials. 3 L of an alcohol solution of IPBC having a concentration of 300 ppm was sprayed on 300 kg of each herbal medicine material. After the herbal medicine material sprayed with IPBC was dried, each Chinese medicine material was mixed at a ratio of 1: 1: 1 by 15.9 g / m 2 each basis and 0.0245 g / piece, respectively. It was mixed with absorbent pulp having a basis weight of 58.7 g / m 2 and 0.09 g / piece and wrapped in a tissue of 16 g / m 2 to form a sheet. And the said intermediate
- Example 2 As in Example 1, except that 3 KGY gamma rays were further irradiated to the dried Chinese medicine material after the IPBC alcohol solution was sprayed, gamma rays were irradiated in addition to the IPBC spraying as an antifungal treatment. The example created by doing this was taken as Example 2.
- a comparative example 1 was prepared by performing only gamma ray irradiation as a mold-proofing treatment.
- Comparative Example 2 An example prepared in the same manner as Comparative Example 1 except that the dose of gamma rays was set to 5 KGY was set as Comparative Example 2.
- Table 1 shows the results of evaluating the antifungal treatment effect of the absorbent article 1 for the examples and comparative examples.
- the measurement of the effect of the mold prevention treatment of the absorbent article 1 was performed according to the following procedure. 1) Under the conditions of constant temperature and humidity at a temperature of 28 ° C. and a humidity of 95%, 18 samples of each example of the absorbent article 1 and the comparative example are left for 4 weeks. 2) A visual inspection is performed 4 weeks after the start of standing, and the number of molds and the rate of occurrence are measured. 3) The aromaticity (odor) of the Chinese medicine was measured by sensory evaluation 4 weeks after the start of standing.
- Table 2 shows the results of evaluating the details of the effect of antifungal treatment by gamma ray irradiation on herbal medicine materials.
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Abstract
Description
図1から図4に示すように、本発明にかかる吸収性物品1は、縦長状に形成され、液透過性の表面シート10と、液不透過性の裏面シート20と、表面シート10と裏面シート20との間に配置され、排泄物等の液体を吸収して保持する吸収体30と、を少なくとも有する。
図1、図3及び図4に示すように、表面シート10と裏面シート20との間には、吸収体30が配置される。吸収体30は、少なくとも1種類以上の漢方薬材料を含む。漢方薬材料として、具体的には、生薬である艾葉、香附子、当帰、高麗人参、益母草、九折草、蒲公英、山茱萸、桑黄キノコ、蓬のうち、少なくとも1以上を使用することができる。なお、本発明においては、吸収体30に含まれる漢方薬材料には、ハロゲン系防カビ剤による防カビ処理を施す。これについては後述する。
中間吸収体32は、本実施形態においては、図1、図3及び図4に示すように、セカンドシート33とベース吸収体31との間に配置される。また、中間吸収体32は、吸収部3における中央領域に配置され、かつ圧縮溝4、41が形成される部分を除く位置に配置される。
当帰(トウキ)の効能としては、血色不良、冷え性、血行障害に対して補血、強壮、鎮痛薬として婦人病を挙げることができる。
香附子(コウブシ)の効能としては、通経、浄血、鎮痛、鎮静薬として月経不順、生理痛、更年期障害等の婦人病、慢性胃炎、十二指腸潰瘍、神経性胃炎を挙げることができる。
本発明においては、必要に応じて中間吸収体32と表面シート10との間には、セカンドシート33を配置することができる。セカンドシート33は、図3に示すように、二つ折りの状態で中間吸収体32と表面シート10との間に配置される。
以下、本実施形態における第一の防カビ処理について説明する。吸収体30に含まれる漢方薬材料には、ハロゲン系防カビ剤による防カビ処理を施す。これが本実施形態における第一の防カビ処理である。ハロゲン系防カビ剤のなかでも広いpH領域で広い抗カビスペクトルを有するハロアセチレン化合物が好ましく用いられる。また、ヨウ素化合物が安全性、広い抗菌スペクトル/抗カビスペクトルの点から好ましい。3-ヨード-2-プロピニルブチルカーバメート(IPBC)は、広いpH領域で広い抗菌、抗カビ、抗藻スペクトルを持ち、例えばカビ、酵母、藻類等に対して少量でも効果があり、工業用防カビ剤、防藻剤として有用に用いられている。
なお、乾燥と同時又は乾燥後に、更に漢方薬材料にガンマ線を照射することによって、防カビ効果をより高めることもできる。これが本実施形態における第二の防カビ処理である。ガンマ線は初期菌数を低下することができるので、上記の乾燥工程と同様に、カビの発生を更に抑制できるので好ましい工程であるが、上記従来技術の記載のように、菌を完全に死滅させるほどの大量のガンマ線を照射すると、漢方薬の揮発成分が減少して漢方薬材料自身は有する芳香機能が低下してしまうという問題が一方にある。このため漢方薬材料を含む吸収体を有する吸収性物品の商品性を保持するためには、大量のガンマ線を照射することはできない。このため、この第二の防カビ処理は上記の第一の防カビ処理と併用して行なわれる。
上記の防カビ処理を施した漢方薬材料と吸収パルプとを所定の割合で混合した混合吸収体321を外装シート322に積層させる。そして、積層された漢方薬材料と吸収パルプとの混合吸収体321を外装シート322で巻くように全体を包み込む。この場合、混合吸収体321を包み込んだ外装シート322の端部は、互いに積層された状態となる。この積層された部分は、ベース吸収体31側になるように配置される。ベース吸収体31側に外装シート322が積層された部分が配置されることにより、積層された部分による段差の影響を表面シート10側へ及ぼすことを抑制することができる。更には、段差や、シートが積層されることによる見た目への影響を抑制することができる。なお、本実施形態においては、中間吸収体32は、漢方薬材料が含まれる混合吸収体321を面状に配置して、外装シート322が包むようにして形成されるが、これに限らない。例えば積層した2枚の外装シート322の間に混合吸収体321を配置して2枚の外装シート322の周縁部をホットメルト接着剤で接合する構成とすることもできる。
図5は本発明の他の実施形態における吸収性物品の上面図であり、図6はその中間吸収体32aの断面図模式図である。この実施形態においては、ハロゲン系防カビ剤が漢方薬材料の表面に直接的に付着しておらず、漢方薬材料が、ハロゲン系防カビ剤を含むシートに接していることで、該シートを介してハロゲン系防カビ剤を漢方薬材料に間接的に付与させる態様である点が上記の第一実施形態と異なっている。
中間吸収体32を以下のように作製した。漢方薬材料として艾葉、当帰及び香附子、の3種を用いた。それぞれの漢方薬材料300kgに対し、濃度300ppmのIPBCのアルコール溶液を3L噴霧した。IPBCを噴霧した漢方薬材料を乾燥させた後に、各漢方薬材料を1:1:1の比率で、それぞれ目付15.9g/m2ずつ、0.0245g/個ずつ混合し、混合した漢方薬材料を、目付58.7g/m2、0.09g/個、の吸収パルプと混合し、16g/m2のティッシュに包みシート化した。そして、当該中間吸収体32を吸収性物品1に挿入し、サンプルを作製した。
IPBCのアルコール溶液を噴霧してから乾燥させた漢方薬材料に、更に3KGYのガンマ線を照射したこと以外は、実施例1と同様に、すなわち、防カビ処理としてIPBCの噴霧に加えてガンマ線の照射を行って作成した例を実施例2とした。
IPBCのアルコール溶液の噴霧とその後の乾燥工程を行わなかったこと以外は、実施例2と同様に、すなわち、防カビ処理としてガンマ線の照射のみを行って、作成した例を比較例1とした。
ガンマ線の照射量を5KGYとしたこと以外は比較例1と同様に作成した例を比較例2とした。
1)温度28℃、湿度95%の恒温恒湿の条件下で、吸収性物品1の実施例、比較例の各サンプル18枚ずつを4週間放置する。
2)放置開始から4週間後に目視検査を行い、カビの発生数、発生率を測定する。
3)放置開始から4週間後に官能評価により、漢方薬の芳香性(匂い)を測定した。
1)サンプルとした漢方薬材のうち混合薬剤は、実施例1と同じく、艾葉、当帰及び香附子、の3種を1:1:1の割合で混合したものを用いた。
2)各サンプルとした漢方薬材料には、実施例1と同じ条件でIPBCのアルコール溶液の噴霧とその後の乾燥工程を施した。
3)上記の通り、IPBCによる防カビ処理を施したサンプルに3KGYのガンマ線を照射したものと、ガンマ線を非照射のものを準備した。
4)培地(3M Yeast & Mold Petri Film)上で、室温条件下で、10日間放置し、10日後の真菌類の菌数を比較した。
Claims (11)
- 液透過性の表面シートと、液不透過性の裏面シートと、前記表面シートと前記裏面シートとの間に配置される吸収体と、を少なくとも備える吸収性物品であって、
前記吸収体は、少なくとも1種類以上の漢方薬材料を含み、
前記漢方薬材料は、ハロゲン系防カビ剤による第一の防カビ処理を施してなる吸収性物品。 - 前記第一の防カビ処理における前記ハロゲン系防カビ剤が3-ヨード-2-プロピニルブチルカーバメート(IPBC)である請求項1記載の吸収性物品。
- 前記第一の防カビ処理において、前記漢方薬材料の表面に前記ハロゲン系防カビ剤が付与されている請求項1又は2に記載の吸収性物品。
- 前記第一の防カビ処理において、前記漢方薬材料と前記ハロゲン系防カビ剤とを混合した混合物が前記吸収体を構成するシートに塗布されている請求項1又は2に記載の吸収性物品。
- 前記第一の防カビ処理において、前記漢方薬材料が前記ハロゲン系防カビ剤を含むシートに接している請求項1又は2に記載の吸収性物品。
- 前記シートは、前記ハロゲン系防カビ剤を前記シート表面に塗布してなり、前記吸収性物品の平面視において、前記塗布範囲内に前記漢方薬材料が配置される請求項5に記載の吸収性物品。
- 前記ハロゲン系防カビ剤を含む着色インキを用い、前記塗布が前記シート表面への印刷である請求項6記載の吸収性物品。
- 液透過性の表面シートと、液不透過性の裏面シートと、前記表面シートと前記裏面シートとの間に配置される吸収体と、を少なくとも備える吸収性物品であって、
前記吸収体は、少なくとも1種類以上の漢方薬材料を含み、
前記漢方薬材料に、ハロゲン系防カビ剤による第一の防カビ処理と、ガンマ線照射による第二の防カビ処理とを施す吸収性物品の製造方法。 - 前記第一の防カビ処理における前記ハロゲン系防カビ剤が3-ヨード-2-プロピニルブチルカーバメート(IPBC)である請求項8記載の吸収性物品の製造方法。
- 前記ハロゲン系防カビ剤が、濃度が4ppm以上500ppm(重量/重量)以下の溶液であり、前記溶液を漢方薬材料100kgあたり0.1Lから10L噴霧する請求項8又は9記載の吸収性物品の製造方法。
- 前記第二の防カビ処理における前記ガンマ線照射量が1KGY以上5KGY未満である請求項8又は9記載の吸収性物品の製造方法。
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