WO2020231175A1 - Structure absorbante et tampon absorbant comprenant celle-ci - Google Patents

Structure absorbante et tampon absorbant comprenant celle-ci Download PDF

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Publication number
WO2020231175A1
WO2020231175A1 PCT/KR2020/006289 KR2020006289W WO2020231175A1 WO 2020231175 A1 WO2020231175 A1 WO 2020231175A1 KR 2020006289 W KR2020006289 W KR 2020006289W WO 2020231175 A1 WO2020231175 A1 WO 2020231175A1
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WO
WIPO (PCT)
Prior art keywords
absorbent
absorbent material
algae
seaweed
support
Prior art date
Application number
PCT/KR2020/006289
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English (en)
Korean (ko)
Inventor
김병용
Original Assignee
김병용
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.)
Filing date
Publication date
Priority claimed from KR1020190059145A external-priority patent/KR20200131139A/ko
Application filed by 김병용 filed Critical 김병용
Publication of WO2020231175A1 publication Critical patent/WO2020231175A1/fr

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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
    • A61F13/45—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
    • 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
    • A61F13/53—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 absorbing medium
    • 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
    • A61L15/18—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing inorganic materials
    • 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
    • A61L15/40—Bandages, 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
    • 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
    • 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
    • A61L15/62—Compostable, hydrosoluble or hydrodegradable materials

Definitions

  • the present invention relates to hygiene products, and more particularly, to an absorbent structure and an absorbent pad comprising the same.
  • absorbent pads are used that absorb liquid absorbable substances such as bodily fluids, blood, secretions or excrements derived from animals or humans.
  • Representative absorbent pads include hemostatic pads, feminine hygiene pads, or defecation pads.
  • the absorbent layer of the absorbent pad has a function of absorbing and supporting a liquid absorbent, and may be generally formed of a super absorbent polymer (SAP) having a high swelling ability as a crosslinked polymer.
  • SAP super absorbent polymer
  • the super absorbent polymer is prepared in the form of particles using, for example, a petrochemical material such as an acrylic acid polymer or polyvinyl alcohol as a raw material.
  • Chemically synthesized polymer absorbent material such as the super absorbent polymer may induce skin diseases such as itchiness or soreness when the absorbent pad is used in direct contact with the body.
  • skin diseases such as itchiness or soreness when the absorbent pad is used in direct contact with the body.
  • the skin disease may cause secondary side effects such as menstrual pain or menstrual irregularities from the growth of bacteria, and in rare cases, serious side effects such as infertility in women due to the introduction of potential carcinogens into the body.
  • the technical problem to be solved by the present invention is to reduce or suppress the risk of various side effects based on natural materials when applied to the body while having the absorption ability of the liquid absorbent, and to sterilize, deodorize, protect the skin, or relieve menstrual pain. Not only the same positive effect is expressed, but also biodegradation is possible to provide an absorbent structure with low environmental load.
  • Another technical problem to be solved by the present invention is to provide an absorbent pad including an absorbent structure having the aforementioned advantages.
  • the absorbent structure according to an embodiment of the present invention for solving the above technical problem is an absorbent material including an algae material that absorbs and supports a liquid absorbent material, or consists of natural pulp, natural fiber, and biodegradable resin in the absorbent material. At least one selected from the group may include a composite absorbent material.
  • the absorbent material or the composite absorbent material may further include a porous material.
  • the absorbent material or the composite absorbent material may be formed by being bonded to a support or integrated with the support.
  • the surface of the support has an array of a plurality of groove regions, and the absorbent material or the composite absorbent material may be seated in the plurality of groove regions.
  • the support is a porous support having pores, and the absorbent material or the composite absorbent material may be impregnated in the pores.
  • the support is a porous support composed of a plurality of fibrous bodies, and the absorbent material or the composite absorbent material may coat the plurality of fibrous bodies.
  • the absorbent material or the composite absorbent material may further include coffee bean powder.
  • the algae material may be formed from at least one selected from the group consisting of seaweed and seaweed.
  • the seaweed is one or more species selected from the group consisting of seaweed, kelp, walnut, red seaweed, thorny green, single green, seaweed, black agar and buldeung agar. It can be more than that.
  • the composite absorbent material has a core-shell structure, one of the core and the shell includes the absorbent material, and the other is from the group consisting of the natural pulp, the natural fiber, and the biodegradable resin. It may include at least one selected.
  • the composite absorbent material has a secondary particle structure, and the first particles in which the algae material, the porous material or a mixture thereof are powdered and the second particles in which the natural pulp, the natural fiber or the biodegradable resin are powdered are aggregated
  • the secondary particle structure may be formed.
  • An absorbent pad for solving the above other technical problem includes a label layer through which a liquid absorbent is permeable; An absorbent material containing algae material that absorbs and supports the liquid absorbent material delivered through the label layer, or a composite absorbent material in which at least one selected from the group consisting of natural pulp, natural fiber, and biodegradable resin is combined with the absorbent material An absorption layer comprising a; And a barrier layer preventing the absorbed liquid absorbent from leaking to the outside.
  • the absorbent material or the composite absorbent material may further include at least one or more of a porous material and coffee bean powder.
  • the algae material may be formed from at least one selected from the group consisting of seaweed and seaweed.
  • the seaweed is one or more species selected from the group consisting of seaweed, kelp, walnut, red seaweed, thorny green, single green, seaweed, black agar and buldeung agar. It can be more than that.
  • the absorbent material may be contained in a range of 5% to 50% by weight based on the total weight of the absorbent layer.
  • the absorbent layer further includes a support for supporting the absorbent material or the composite absorbent material, and the support may be selected from the group consisting of natural pulp, natural fiber, paper, and biodegradable resin.
  • the natural fibers may include cotton fibers, hemp fibers, silk fibers, wool fibers, or a combination thereof.
  • the biodegradable resin is polylactic acid (PLA), poly(butyrene succinate) (PBS), poly(butyrene succinate-adipate) copolymer (PBSA) and poly(butyrene adipate-terephthalate) copolymer (PBAT), polycaprolactone (PCL), polyglycolic acid (PGA), and polyhydroxybutyric acid (PHB) may include at least one selected from the group consisting of.
  • Gosam ( ⁇ ) extract may be applied to the surface of the label layer.
  • diatomaceous earth powder or algae material containing fibres or fine fibers is used as an absorbent material for liquid absorbent, thereby securing absorption capacity, and as a natural material, such as skin diseases.
  • An eco-friendly absorbent structure capable of biodegradation upon disposal may be provided while reducing or eliminating the risk of side effects and having positive effects such as sterilization, deodorization, skin protection, or menstrual pain relief effect.
  • an absorbent pad having the above-described advantages may be provided.
  • FIG. 1 is a perspective view of an absorbent pad according to an embodiment of the present invention.
  • FIGS. 2A to 2F are perspective views illustrating absorbent structures according to various embodiments of the present disclosure.
  • FIG 3 is a cross-sectional view of a powdery algae material, a porous material, and coffee bean powder, which are absorbent materials according to an embodiment of the present invention.
  • 4A to 4E are cross-sectional views of composite absorbent materials according to various embodiments of the present disclosure.
  • FIG. 5A to 5C are photographic images of diatomaceous earth powder, seaweed powder, and coffee bean powder according to an embodiment of the present invention, respectively, and FIG. 5D is an absorbent material in which seaweed powder and diatomaceous earth powder are mixed according to an embodiment of the present invention. It is a photographic image of (Example 2), and FIG. 5E is a photographic image of an absorbent material (Example 3) in which seaweed powder, diatomaceous earth powder, and coffee bean powder are mixed according to an embodiment of the present invention.
  • 6A and 6B are photographic images of pulp (Comparative Example 1) and super absorbent polymer (Comparative Example 2) according to Comparative Example, respectively.
  • FIG. 7 is a photographic image for comparing blood absorption states of the absorbent pad A according to an embodiment of the present invention and the absorbent pad B using a superabsorbent water according to a comparative example.
  • the left image is a photograph of measuring the weight of the absorbent pad before absorption with an electronic balance
  • the right image is about 70 mL of water absorbed. This is an image of measuring the weight of the absorbent pad with an electronic balance.
  • FIG. 9A is an optical image of a composite absorbent material formed of diatomaceous earth powder and pulp according to an embodiment of the present invention
  • FIG. 9B is an optical image of a composite absorbent material formed of algae and pulp according to an embodiment of the present invention
  • FIG. 9C Is an optical image of a composite absorbent material formed of algae material and pulp according to an embodiment of the present invention
  • FIG. 9D is an optical image of pulp powder.
  • 10 is an embossed pulp support, an absorbent structure containing diatomaceous earth, which is a porous natural product bonded on the surface of the pulp support, on the surface of the pulp support, a membrane-like algae material containing fibrin extracted from seaweed extract is coated.
  • This is a photographic image of the absorbent structure and the absorbent structure in which the powdery algae material formed from seaweed, which is seaweed powder, is combined on the surface of the pulp support.
  • first and second are used to describe various members, parts, regions, layers and/or parts, but these members, parts, regions, layers and/or parts are limited by these terms. It is obvious that it is not. These terms are only used to distinguish one member, part, region, layer or portion from another region, layer or portion. Accordingly, a first member, part, region, layer or part to be described below may refer to a second member, part, region, layer or part without departing from the teachings of the present invention.
  • the following examples relate to various absorbent structures for absorbing liquid absorbed substances such as bodily fluids, blood, secretions or excrement generated from animals or human bodies, and an absorbent pad including the same.
  • the absorbent pad according to an embodiment of the present invention may be, as a non-limiting example, a hemostatic pad, a diaper or a feminine hygiene pad, or a pet dog toilet pad, and is any used by direct contact or indirect contact with an animal or human body.
  • the absorbent pads of various types have different sizes, shapes, and targets of use, but an absorbent material for absorbing a liquid absorbent is common, and their properties, product structures, and manufacturing methods are similar. Sanitary pads that are most often used are described as a representative, and the present invention is not limited thereto.
  • algae material refers to a material obtained from algae, which has a biological meaning of aquatic plant propagating by spores as a group of eukaryotic organisms belonging to the protozoan system.
  • the term algal material is a non-limiting example, a biologically meaning algae as a non-limiting example, a debris of algae obtained through a treatment such as drying or grinding, or a treatment such as dissolution, heat treatment, or decomposition of the algae as a non-limiting example It collectively refers to a material composed of fibers and fine fibers such as alginic acid extracted from the algae.
  • the algal material may have a powdery form of a solid or semi-dried gel, or may have a continuous film form of a solid or gel that can be coated on the surface of a substrate, and the present invention It is not limited by this.
  • FIGS. 2A to 2F are perspective views illustrating absorbent structures 120a to 120f according to various embodiments of the present invention.
  • the absorbent pad 1000 includes a label layer 110 through which a liquid absorbent is permeable, an absorbent structure 120 that absorbs and supports a liquid absorbent delivered through the label layer 110, and A barrier layer 130 may be included to prevent the absorbed liquid absorbent from leaking and causing external contamination.
  • the cover layer 110 may be a moisture permeable sheet such as polyethylene, artificial fiber, biodegradable resin, or rayon.
  • the cover layer 110 is a moisture-permeable sheet made from natural materials such as cotton, hemp, vegetable fibers such as cellulose, animal fibers such as nuts, non-woven fabrics, pulp, or paper when used in direct contact with the human body. I can.
  • the cover layer 110 may be a moisture permeable sheet formed of a biodegradable resin such as polylactic acid (PLA), and the present invention is not limited thereto.
  • PLA polylactic acid
  • the Sophora flavescens Ait extract may be additionally applied on the surface of the label layer 100.
  • Gosam is a perennial plant that contains several types of alkaloids and flavonoids. Since the Gosam has anti-inflammatory, antibacterial, bactericidal, and analgesic effects as its main effects, it is useful as a drug for the treatment and prevention of gynecological diseases such as vaginitis or cold treat.
  • gynecological diseases such as vaginitis or cold treat.
  • due to the inherent scent of Gosam if it is applied to the absorbent pad, odors that may be caused by absorbed substances or other secretions can be removed.
  • the Gosam extract may be obtained by extracting or concentrating from Gosam through a general natural product extraction method, and may be used as a concentrated liquid or as an extract obtained by powder drying the concentrated solution.
  • the Gosam extract may be sprayed onto the label layer 100 by spraying and applied.
  • the absorbent structure 120 contains a biocompatible absorbent material or a composite absorbent material according to various embodiments of the present invention to be described later, and may be provided to have an independent layer structure in the form of a liner as shown in FIG. 1.
  • the present invention is not limited thereto, and the absorbent structure 120 may have various shapes, such as a square or circle, that are locally provided only to a region requiring absorption, as a non-limiting example, and a division pattern or array such as a stripe.
  • the thickness or shape of the absorbent structure 120 may be partially changed in consideration of the shape or absorption capacity of a region requiring absorption.
  • the absorbent structure 120 may be combined with a support to be described later to provide an absorbing layer, and may be a structure formed by mixing an absorbent material or a composite absorbent material with the support.
  • the barrier layer 130 may be a liquid impermeable waterproof layer to prevent leakage of the liquid absorbent material although it has breathability.
  • the barrier layer 130 may be a polyethylene sheet having excellent waterproofing ability as a non-limiting example.
  • the barrier layer 130 is polylactic acid (PLA), poly(butyrene succinate) (PBS), poly(butyrene succinate-adipate) copolymer (PBSA) and poly(butyrene adipate- Terephthalate) copolymer (PBAT), polycaprolactone (PCL), polyglycolic acid (PGA), and polyhydroxybutyric acid (PHB). It may be formed using at least one biodegradable resin selected from the group consisting of as a material. .
  • the bonding between the label layer 110, the absorbent structure 120 and the barrier layer 130 may be achieved by thermocompression bonding or ultrasonic bonding therebetween without a natural binder such as a glue or a binder, but is not limited thereto.
  • the absorbent structure 120a may include a support 20a and an absorbent material 10 coupled to the support 20a.
  • the support 20a may be formed of a natural material.
  • the absorbent material 10 may be evenly distributed on the surface of the support 20a as shown in FIG. 2A, but is not limited thereto and may be irregularly distributed. The size of the particles of the distributed absorbent material may be different. .
  • the support 20a may include a pulp sheet.
  • the support 20a may be a sheet-like member having a predetermined strength made from cotton, hemp, vegetable fibers such as cellulose, animal fibers such as silk or wool, or natural materials such as paper and biodegradable resins. .
  • the biodegradable resin is polylactic acid (PLA), poly(butyrene succinate) (PBS), poly(butyrene succinate-adipate) copolymer (PBSA) and poly(butylene adipate-terephthalate).
  • Copolymer PBAT
  • PCL polycaprolactone
  • PGA polyglycolic acid
  • PHA polyhydroxybutyric acid
  • the support 20a may be manufactured from any component harmless to the human body.
  • the support 20a may be manufactured using natural vegetable cotton of cotton or pulp, and may be made of a natural material of corn chitosan starch such as polylactic acid (PLA), and thus biodegradable in nature.
  • the absorbent materials 10 may be bonded to each other on the support 20a.
  • Bonding between the support (20a) and the absorbent material (10) may not use a separate binder, and is achieved by a mechanical method in which the pressurized absorbent material (10) forms a groove on the surface of the pulp sheet while causing deformation. Can be.
  • the absorbent material 10 is scattered and evenly dispersed on the surface of the pulp sheet, and then the absorbent material 10 and the pulp sheet are compressed.
  • the absorbent material 10 may be fixed on the pulp sheet.
  • the support 20a may have an array of a plurality of groove regions (not shown) obtained by embossing the surface of the support 20a.
  • the powdery absorbent material 10 may be embedded in the plurality of groove regions, so that the absorbent material 10 may be seated in the plurality of groove regions and fixed on the support body 20.
  • the surface of a pulp sheet having a flat surface is embossed to form a plurality of groove regions having a predetermined pattern, and the powdery absorbent material is scattered onto the pulp sheet in which the plurality of groove regions are formed, the plurality of grooves Part of the absorbent material 10 scattered into the regions is seated, and the remaining absorbent material outside the plurality of groove regions may be removed from the pulp sheet by blade sweep or vibration.
  • the plurality of groove regions may have various patterns such as a rhombus, a square, or a circle, and the present invention is not limited thereto.
  • the absorbent material 10 may be adhered to the support 20a by a natural binder as a non-limiting example.
  • the volume of the absorbent material 10 expands when the liquid absorbent is absorbed, it is separated from each other and dispersed, so that the volume expansion of the absorbent material 10 is sufficiently achieved without interference from other adjacent absorbent materials, and the support
  • the absorbent structure (20a) or the plurality of grooves formed in the support (20a) accommodates the volume expansion of the absorbent material 10, so that the absorbent structure ( 120a) Overall expansion or collapse of the structure can be inhibited.
  • the absorbent material and/or the absorbent structure is over-expanded or the structure is collapsed, the carrying capacity of the absorbent material is reduced, and thus, leakage of the absorbed material may occur.
  • a protective layer may be further stacked on the absorbent structure 120a as described later in FIG. 2E.
  • the protective layer may be an additional support 20a such as a pulp sheet without the absorbent material 10 or may be a moisture-permeable sheet, and the protective layer prevents the absorbent material 10 from being separated from the paper material 20b, and prevents the absorbent pad ( It is possible to prevent contamination or damage of the absorbent structure 120b during the entire manufacturing process of 1000).
  • the absorbent structure 120b may be a laminate obtained by laminating the support 20b on which the absorbent material 10 is disposed two or more times.
  • the absorbent structure by vertically stacking the four unit absorbent structures 120 1 , 120 2 , 120 3 , 120 4 including the paper body 20b on which the absorbent material 10 described in FIG. 1A is disposed, and bonding between them (120b) may be provided.
  • the number of the unit absorbent structures 120 1 , 120 2 , 120 3 , 120 4 may be a plurality of two or more, and the bonding between the unit absorbing structures is heat without a natural binder or a binder well known in the art. It may be achieved by compression bonding or ultrasonic bonding, but is not limited thereto.
  • the unit absorbent structures 120 1 , 120 2 , 120 3 , and 120 4 may be combined by sewing using a thread.
  • a protective layer may be further stacked on one or both surfaces of the outermost layer of the absorbent structure 120b.
  • the protective layer may be an additional support 20b such as a pulp sheet without the absorbent material 10 or may be a moisture-permeable sheet, and the protective layer prevents the uppermost absorbent material 10 from being separated from the support 20b, and an absorbent pad It is possible to prevent the absorbent structure 120b from being contaminated or damaged during the entire manufacturing process of the 1000.
  • the absorbent structure (120c) is a non-woven fabric having pores or a support such as cotton (20c, also referred to herein as a porous support) and an absorbent material dispersed in the support (20c) (10) may be included.
  • the support 20c may be made of a plurality of fibrous bodies FS, and the plurality of fibrous bodies FS are entangled or entangled with each other to have a predetermined tensile strength and have pores between the plurality of fibers FS. Sheets can be provided.
  • the nonwoven fabric or cotton is a non-limiting example, and the porous support may be prepared from natural fibers, pulp, or fibers obtained from biodegradable resins.
  • the powdery absorbent material 10P may be impregnated and trapped in the pores of the support 20c. To this end, the powdery absorbent material 10P may be introduced into the support 20c through pores on the surface of the support 20c. In another embodiment, after mixing the powdery absorbent material 10P and the plurality of fibers FS, the absorbent material 10 is uniformly dispersed in the plurality of fibers FS through a nonwoven fabric or cotton forming process.
  • the absorbent structure 120c may be manufactured.
  • the support 20c may absorb an absorbent material together with the absorbent material 10.
  • the volume expansion of the algal material is stably received and supported by the plurality of fibrous bodies FS of the support 20c, thereby suppressing excessive expansion or collapse of the algal material
  • the risk of leakage of the absorbed material filled in the absorbent material 10P of the can be reduced and eliminated.
  • the surface of the absorbent structure 120c may be covered with a protective layer (not shown), and may be applied to one or both surfaces.
  • the absorbent material 10 is separated from the support 20c by the protective layer and thus leakage may be prevented.
  • the absorbent structure 120d may be provided by coating an absorbent material 10C on a support 20d.
  • the absorbent material 10C may be coated on the support 20d by a slurry or solution coating method.
  • the absorbent material 10C may be a film-like algae material including fibers or fine fibers extracted by melting and heating algae, and may be coated on the support 20d with a relatively thin thickness.
  • an absorbent structure in which a powdery absorbent material 10P or a fine fiber absorber 10C is inserted between the lower support 20e1 and the upper support 20e2 ( 120e) may be provided.
  • the lower support 20e1 and the upper support 20e2 may be encapsulated to have an inner space capable of accommodating the absorbent material 10C by combining or integral with at least some edges facing each other.
  • the lower support 20e1 and the upper support 20e1 are non-limiting examples, such as cotton, hemp, vegetable fibers such as cellulose, natural fibers such as animal fibers such as silk and wool, a predetermined strength made from natural materials such as pulp or paper. It may be a sheet-like member having.
  • the lower support 20e1 and the upper support 20e2 may have the same material, shape, or thickness. In other embodiments, they may have different materials, shapes or thicknesses. In this case, the upper support 20e2 may function as a protective layer.
  • the absorbent structure 120f may have a stacked structure in which two porous supports 20f 1 and 20f 2 such as nonwoven fabric or cotton are stacked.
  • a moisture permeable sheet may be interposed between the porous supports 20f 1 and 20f 2 .
  • the porous supports 20f 1 and 20f 2 and the moisture permeable sheet 21 may be bonded to each other by a bar material such as a natural adhesive or a thread entangled, as a non-limiting example.
  • Figure 2f is a configuration (E1) impregnated with a powdery absorbent material (10P) in the pores of a plurality of fibrous bodies (FS) of the porous support (20f 1 , 20f 2 ) It discloses a configuration (E2) for coating the field (FS).
  • the absorbent structure 120f has any one of these configurations (E1, E2), or is coated with a fibrous absorbent 10C on a plurality of fibrous bodies FS and at the same time powdery absorbent 10P May have a combined configuration impregnated.
  • the coating as described above, is impregnated by a slurry or solution coating method or by mixing a plurality of fibers (FS) with an absorbent material (10C) on a fibrous body, and then forming a support in a fabric structure or a non-woven fabric structure. It can also be implemented.
  • the algae material which is an absorbent material
  • the algae material is stably supported or accommodated by the respective supports, so that the algal material is excessively expanded or collapsed. Is suppressed, the risk of leakage of the absorbed material filled in the algae material can be reduced and eliminated.
  • the absorbent material may be contained in a range of 5% to 50% by weight based on the total weight of the total absorbent structures 120a to 120f.
  • the support, the label, and the barrier layer together with the absorbent material 10 according to the embodiment of the present invention are all formed of a biodegradable material derived from nature, when used in direct contact with the body In addition to being non-toxic, absorbent pads discarded after use can be naturally biodegradable.
  • FIG 3 is a cross-sectional view of a powdery algae material 10P1, a porous material 10P2, and coffee bean powder 10P3, which are absorbent materials according to an embodiment of the present invention.
  • the absorbent material may include a powdery algae material 10P1.
  • the absorbent material may further include at least one of a porous material (10P2) or coffee bean powder (10P3).
  • a porous powder when a porous powder is added as an absorbent material together with an algae material, the The porous material may be in the range of 5% to 40% by weight based on the weight of the algae material.
  • coffee bean powder when coffee bean powder is added to the absorbent structure, the coffee bean powder may be contained in a range of 10% to 30% by weight based on the total weight of the absorbent material.
  • the contents of the above-described algae material, porous material, and coffee bean powder are exemplary, and may be adjusted in consideration of the type, amount, use, or odor preventing effect of the absorbed material.
  • a powdery algae material (10P1), a porous material (10P2), and a coffee bean powder (10P3) are illustrated in an irregular shape as a non-limiting example, and the sphericity and size may be adjusted through a granulation process such as milling. have.
  • the powdery algae material 10P1, the porous material 10P2, and the coffee bean powder 10P3 may be pulverized, crushed, cut, or manufactured through a grinder or mechanical roll mill process.
  • the powdery algae material 10P1, the porous material 10P2, or the coffee bean powder 10P3 is softened and the contact surface area increases as the particles become finer, so that the absorption rate and amount of absorption of the absorbed material may be further increased. Since the processability is excellent in the range, it can be appropriately adjusted as needed. When the absorbent material has a large particle size, a foreign body sensation may be felt when the absorbent pad is worn, and when the particle size is too small, particles may be pulled in the absorbent structure or particles may leak out of the absorbent structure. Accordingly, the particle size of the powdery algae material 10P1, the porous material 10P2, or a mixture thereof may be designed in consideration of the material and characteristics of the support constituting the absorbent structure.
  • the average particle diameter of the powdery algae material 10P1 may be in the range of 0.05 mm to 5 mm or in the range of 0.1 mm to 3 mm.
  • the average particle diameter of the porous material (10P2) may be within the range of 10 ⁇ m to 80 ⁇ m or within the range of 30 ⁇ m to 60 ⁇ m, and the average particle diameter of the porous material used as an absorbent material by secondary processing thereof may be within the range of 0.01 mm to 1 mm.
  • the average particle diameter of the coffee bean powder 10P3 may be in the range of 0.1 mm to 5 mm or in the range of 0.5 mm to 2 mm.
  • the powdery algae material 10P1 may include at least one selected from the group consisting of sea algae and sea grasses rich in water-soluble fiber.
  • the seaweed may be at least one of green algae, brown algae, and red algae. In these seaweeds, the green algae can be found in relatively shallow and bright places, and the brown algae and the red algae in turn can be found in gradually deep and dark places.
  • the green algae may include brown green algae, thorn green or single green algae, and the brown algae include seaweed, kombu, red haricot or daikon radish, and the red algae may include laver, walnut agar, or unequal gasari.
  • the seaweed may include turtle horses, jalppi, or horsepis.
  • the above-described seaweeds and seaweeds are exemplary, and other seaweeds and seaweeds may be used. For example, marsh plants or mangroves rich in water-soluble fiber may be used alone or in combination with them.
  • the powdery algae material (10P1) is not limited to the powder of algae living in the ocean, and the powder of fresh-water algae living in the land water system, soil or rocks such as ponds, lakes or rice fields may be applied. have.
  • freshwater algae there are trentepohlia or chlorococcum.
  • Such freshwater algae include axle algae, green algae, green worms, yellow green algae, golden algae, flagella, grizzly earth algae, blue-green algae, or brown algae, and the present invention is not limited to these examples.
  • the moisture absorption rate of the powdery algae material (10P1) is smaller than that of the porous material (10P2), but in terms of moisture content, the powdery algae material (10P1) is selected to be more dominant than the diatomaceous earth powder (10P1).
  • the weight of the powdery algae material 10P1 in a completely hydrated state increases by approximately 8 to 10 times compared to the weight of the dry powdery algae material 10P1, this increases the weight of the diatomaceous earth powder 10P1 by 3 times. Considering that it is a factor of 4, it can be seen that the water content of the powdery algae material 10P1 is higher than that of the porous powder 10P2.
  • the reason why the water content of the powdery algae substance 10P1 is high is that it contains a large amount of water-soluble fiber.
  • the water-soluble fiber has fine pores formed therebetween, and the water content can be dramatically increased because volume expansion is possible while maintaining the structure when water is absorbed.
  • the superabsorbent resin absorbs menstrual blood and hardens, causing a foreign body sensation, which makes it inconvenient to wear the sanitary napkin.
  • seaweed a representative algae, through the action of alginic acid and mannitol, fibers that make up the carbohydrates of seaweed, the absorbed moisture or blood is gelled into a soft sponge-like form and is absorbed by the sanitary pad. There is an advantage that no foreign body sensation occurs when applied to.
  • the absorbent pad using the powdery algae material (10P1) can reduce the number of sanitary pads used per day, and can be absorbed to the entire surface of the powdery absorbent material even if excessive menstrual blood bleeds temporarily, so that the label layer ( 110), there is no fear of leakage of menstrual blood.
  • the powdery algae substance (10P1) reduces or eliminates side effects such as skin diseases and swells while containing moisture to prevent excessive drying of the skin upon contact with the skin, and the organic component is a super absorbent polymer, which is a conventional chemical synthetic resin. Unlike, biodegradable while having a positive effect, such as skin protection or menstrual pain relief effect, an eco-friendly absorbent structure can be provided.
  • diatomaceous earth is a fossilized single-celled plant called diatom, and more than 90% is made of amorphous silica (SiO 2 ), and is a physicochemically stable inorganic material.
  • the diatomaceous earth powder 10P1 is a porous material in which numerous small pores PR are formed on the surface, and is light, and has excellent absorption and deodorization capabilities.
  • the surface area is maximized to further reduce weight, and the absorption capacity and deodorization capacity may be further improved.
  • the porous material 10P2 may have a menstrual blood absorption rate equal to or higher than that of the super absorbent polymer (SAP) from the experimental results of the present inventors.
  • SAP super absorbent polymer
  • diatomaceous earth powder plays a role of rapidly absorbing menstrual blood at the beginning of menstruation based on a high menstrual blood absorption rate.
  • a porous natural inorganic material such as activated carbon powder or charcoal powder may be used. Both the activated carbon powder and the charcoal are expected to exhibit the same efficacy in terms of absorption and deodorization as diatomaceous earth powder.
  • silica gel, starch, and bentonite can be used as long as there is no problem of radiation exposure.
  • the porous material 10P2 when the porous material 10P2, in particular, the diatomaceous earth powder and the powdery algae material 10P1 are used together, it is primarily absorbed by the porous material 10P1 having a high moisture absorption rate.
  • a two-stage absorption mechanism in which water is absorbed immediately and the rest of the absorbed material is absorbed by the powdery algae material (10P1) having a second high moisture content is possible, so it is as fast as a superabsorbent resin and absorbs high capacity while absorbing at high speed.
  • the powdery algae material 10P1 After the first absorption of the diatomaceous earth powder 10P2, which is not excessively absorbed, it is slowed down by the powdery algae material 10P1, so that a sufficient amount can be stably absorbed secondarily.
  • the absorbent structure containing both a powdery algae material and a porous material did not produce a fishy smell peculiar to algae, which is contained together with the powdery algae material. This is because the fishy smell derived from the powdery algae material was adsorbed and removed by the diatomaceous earth powder.
  • the selectively added coffee bean powder 10P3 may be provided by finely grinding coffee beans or coffee grounds (waste coffee powder).
  • Coffee beans are generally made by roasting green beans made by peeling and drying the seeds inside the coffee tree.
  • the peeling process of coffee beans is, for example, obtaining coffee beans through dry processing or flush processing, and the dry processing is to remove the pulp by drying the coffee beans, and the flush processing is to remove the coffee beans in water. It is soaked and the pulp is washed off and processed.
  • the coffee beans obtained by peeling can be completed with brownish coffee beans through roasting, which is a process of roasting or roasting.
  • the powder of coffee grounds (or waste coffee powder) can omit the process of pulverizing coffee beans and can obtain the advantage of recycling waste.
  • the coffee bean powder 10P3 has absorbing and odor-absorbing ability to absorb and remove absorbed substances and odors as much as its own weight through its fine pores.
  • the coffee bean powder contains a predetermined amount of caffeine, tannin, protein, lipid, and sugar, and the caffeine component may help relieve pain in blood circulation or menstrual pain when absorbed in the body, and the tannin component It can act to clot blood.
  • the coffee bean powder 10P3 may be used by immersing in brine.
  • the coffee bean powder may be sterilized to improve preservation.
  • it may be more useful to use it after sterilization through saline immersion.
  • the coffee bean powder 10P3 helps the absorbent material 10P1 or 10P2 to coagulate or gel the absorbed menstrual blood, so that menstrual blood does not easily escape from the absorbent material 10P1 or 10P2 even when there is a pressure such as external pressure. .
  • the absorbent structure to which coffee bean powder (10P3) according to an embodiment of the present invention is added increases the absorption of menstrual blood, has an effect as a deodorant and fragrance, and the absorbed menstrual blood does not easily leak out of the label by external pressure, so that the user can There is an advantage that it can be used more stably.
  • the absorbent materials of each type may have a complementary relationship with each other in terms of absorption rate and moisture content. For example, initially, the absorption of the absorbed material is dominated by a porous material having a high absorption rate, for example, diatomaceous earth powder, and after that, the absorption of the absorbed material is slow by the algal algae material powder having a higher moisture content than the absorption rate.
  • the absorbed material can be absorbed through a step absorption mechanism.
  • algae a natural absorbent material capable of inducing even absorption and coagulation of absorbed menstrual blood as well as rapid absorption of menstrual blood without using a superabsorbent resin used in the absorbent pad
  • a material and/or a porous material it is possible to not only improve the discomfort felt when using the sanitary pad, but also obtain positive effects that cannot be obtained from the super absorbent polymer such as skin protection, sterilization, pain relief and soothing effects.
  • FIGS. 4A to 4E are cross-sectional views of composite absorbent materials 10CPa to 10CPe according to various embodiments of the present disclosure.
  • the composite absorbent materials 10CPa to 10CPe shown in FIGS. 4A to 4E Is a grained algal material composited with natural pulp, natural fibers and biodegradable resins.
  • the composite absorbent material 10CPa may have a core-shell structure including a core 211a and a shell 212a surrounding the core 211a.
  • the core 211a may include at least one selected from the group consisting of natural pulp, natural fibers and biodegradable resins, and the shell 212a may include an algae material, a porous material, or a mixture thereof as a natural absorbent material.
  • the shell 212a may optionally further include coffee bean powder.
  • the shell 212a may be bonded by bonding or thermocompression on the core 211a, and the present invention is not limited thereto.
  • the porous material may be combined on the core 211a in the form of fine powder.
  • the algae material may be combined in the form of fine powder on the core 211a, or the extracted fibers or fine fibers may be coated in the form of a film on the core 211a. For example, after dispersing and stirring the core 211a and algae in a solvent such as water, a resultant product coated with the algae material on the core 211a is obtained and dried to provide a composite absorbent material (10CPa). .
  • a composite absorbent material 10CPb has a core-shell structure similar to the composite absorbent material 10CPa of FIG. 4A.
  • the core 211b includes an algae material, a porous material, or a mixture thereof as an essential component, and optionally may further include coffee bean powder.
  • the shell 212b may include at least one selected from the group consisting of natural pulp, natural fibers, and biodegradable resins. The shell 212b may be bonded to each other by bonding or thermocompression bonding on the core 211b, and the present invention is not limited thereto.
  • the composite absorbent materials 10CPc and 100CPd are similar to the composite absorbent materials 10CPa and 10CPb of FIGS. 4A and 4B, and the cores 211c and 211d and the core ( It has a core-shell structure including shells 212c and 212d surrounding 211c and 211d.
  • the core 211c of FIG. 4C and the shell 212d of FIG. 4D contain algae, a porous material, or a mixture thereof as an essential component, and optionally, may further include coffee bean powder.
  • the shell 212c of FIG. 4C and the core 211d of FIG. 4D may include at least one selected from the group consisting of natural pulp, natural fibers, and biodegradable resins.
  • the shells 212c and 212c of each of the composite absorbent materials 10CPc and 10CPd do not completely surround each of the cores 211c and 211d, and a hole or discontinuous area 20H that partially exposes a part of the cores 211c and 211d.
  • the components of the cores 211c and 211d and the components of the shells 212c and 212c in a solvent such as water the components of the cores 211c and 211d of the components of the shells 212c and 212c
  • a solvent such as water
  • the shells 212c and 212d having holes or discontinuous regions 20H exposing some surfaces of the cores 211c and 211d may be formed.
  • the cores 211c and 211d or the shells 212c and 212c expand in volume when absorbed material is absorbed. Even if it does, the cores 211c and 211d or the shells 212c and 212c do not collapse because the holes or discontinuous areas 20H accommodate them. Accordingly, according to an embodiment of the present invention, even if the size of the composite absorbent materials 10CPc and 10CPd is increased to increase the absorption capacity, a stable powdery form can be maintained.
  • the composite absorbent material 100CPe may be secondary particles in which two or more types of primary particles are mixed and aggregated.
  • the composite absorbent material 10CPe includes a first particle 211e including at least one selected from the group consisting of natural pulp, natural fiber, and biodegradable resin, and a second particle 212e including an algae material, a porous material, or a mixture thereof. ) May aggregate to form a secondary particle structure.
  • the bonding between the first particles 211c and the second particles 212c may be thermally compressed through a binder, and the present invention is not limited thereto.
  • a synthetic compound super absorbent polymer which is a conventional absorbent material, is not used, but is abundantly present in its natural state, has excellent moisture absorption rate due to high content of water-soluble fiber, and is beneficial for bleeding from skin and menstruation of women.
  • An absorbent pad was prepared by using an absorbent material including seaweed powder, diatomaceous earth powder, and/or coffee bean powder, which is an abundant particulate algal substance. Through the experiment, it was confirmed that the absorbent pad made of natural absorbent material quickly absorbs menstrual blood and is gelled, and at the same time, a small amount of iron or calcium in the blood and a natural coagulation reaction occur, preventing leakage or burying of menstrual blood.
  • FIGS. 5A to 5C are photographic images of diatomaceous earth powder (Example 1), seaweed powder (Example 2), and coffee beans powder according to an embodiment of the present invention, respectively
  • FIG. 5D is a diagram illustrating an embodiment of the present invention.
  • This is a photographic image of an absorbent material (Example 3) in which diatomaceous earth powder and seaweed powder are mixed.
  • FIG. 5E is Photo image.
  • 6A and 6B are photographic images of pulp (Comparative Example 1) and super absorbent polymer (Comparative Example 2) according to Comparative Example, respectively.
  • 5A to 6B are represented as black and white photographs, and for the color images of FIGS. 5A to 6B, reference may be made to FIGS. 5A to 6B of Korean Application No. 10-2019-0059145, which is a basic applicant for claiming the priority of the present application.
  • Table 1 below is a result of comparing the performance of the absorbent material used in the sanitary pad.
  • the initial absorption time is the time that moisture is absorbed as soon as moisture comes into contact with the absorbent material
  • the final absorption time is the time taken for all the moisture to permeate into the absorbent material.
  • the algae material seaweed powder according to Example 1 was compared to pulp or superabsorbent resin. It showed an equivalent level of absorption. Diatomaceous earth powder, which is a porous material, exhibited the same or greater absorption rate than the superabsorbent polymer of Comparative Example 2.
  • the absorbent material of seaweed and diatomaceous earth powder according to Example 2 had the same value of the initial absorption time as compared to the superabsorbent polymer of Comparative Example 2, and the value of the final absorption time was slow and slightly compared to the superabsorbent resin When it is larger, the problem of overabsorption and overabsorption can be solved compared to the superabsorbent polymer.
  • the absorbent materials according to Examples 1 to 3 did not leak blood out of the absorbent material or smear from the surface.
  • the absorbent materials of Examples 2 and 3 there was a blood coagulation effect, and there was no problem of leakage or burying out of the absorbent pad.
  • the superabsorbent polymer exhibits a natural compound odor, but seaweed powder also generates a moderate odor, but in Examples 2 and 3 in which diatomaceous earth and/or coffee powder are mixed, diatomaceous earth and Odor can be suppressed by the odor absorbing action of coffee powder.
  • an absorbent pad having a laminated structure of a label layer, an absorbent structure, and a barrier layer may be provided.
  • the superabsorbent resin absorbs menstrual blood and hardens, causing a foreign body sensation, which makes it inconvenient to wear the sanitary pad, but the sanitary pad of the present invention is made of algae, porous
  • the absorption mechanism by substances or mixtures thereof only menstrual blood is quickly absorbed, and absorption of beneficial ingredients such as moisture that is beneficial to the skin is minimized, and menstrual blood is prevented by the blood coagulation of algae substances or additionally included coffee bean powder.
  • beneficial ingredients such as moisture that is beneficial to the skin is minimized, and menstrual blood is prevented by the blood coagulation of algae substances or additionally included coffee bean powder.
  • FIG. 7 is a photographic image for comparing blood absorption states of the absorbent pad A according to an embodiment of the present invention and the absorbent pad B using a superabsorbent water according to a comparative example. About 10 mL of blood was used, and the same amount of blood was dropped on each of the two absorption pads (A, B) at the same location, and the results were compared.
  • FIG. 7 is expressed as a black and white image, and for the color image of FIG. 7, reference may be made to FIG. 7 of Korean Application 10-2019-0059145, which is a basic applicant for claiming priority in the present application.
  • the absorbent pad (A) uses an absorbent structure manufactured by using both diatomaceous earth powder and algae powder as an absorbent material, whereby blood is uniformly absorbed over the entire surface of the absorbent structure. No blood leakage to the surface of the label was observed, and no blood leakage was observed even when a constant external pressure was applied.
  • the absorption pad (B) according to the comparative example it was confirmed that blood was intensively absorbed in a local area by the superabsorbent water character, and eventually, blood leaked to the surface of the label layer. Leakage was observed.
  • FIG. 8 is for confirming the absorption state of the absorbent pad according to an embodiment of the present invention.
  • the left image is a photograph of measuring the weight of the absorbent pad before absorption with an electronic balance
  • the right image is about 70 mL of water absorbed. This is an image of measuring the weight of the absorbent pad with an electronic balance.
  • FIG. 8 is expressed as a black and white image, and for the color image of FIG. 8, reference may be made to FIG. 8 of Korean Application 10-2019-0059145, which is a basic applicant for claiming priority in the present application.
  • the sanitary pad according to an embodiment of the present invention has excellent absorption power, but it shows about 13 times the absorption power compared to the weight of the absorbent material.
  • the absorbent pad of the present invention absorbs a large amount of water by the high-capacity slow absorption of algae powder and is uniformly absorbed in the entire area of the absorbent structure.
  • An absorbent structure was manufactured using the composite absorbent material according to an embodiment of the present invention, and an absorbent pad was manufactured by combining the label layer and the barrier layer thereto.
  • FIG. 9A is an optical image of a composite absorbent material formed of diatomaceous earth powder and pulp according to an embodiment of the present invention
  • FIG. 9B is an optical image of a composite absorbent material formed of algae and pulp according to an embodiment of the present invention
  • FIG. 9C Is an optical image of a composite absorbent material formed of algae material and pulp according to an embodiment of the present invention
  • FIG. 9D is an optical image of pulp powder.
  • 9A to 9D are represented as black and white images, and for the color images of FIGS. 9A to 9D, reference may be made to FIGS. 9A to 9D of Korean Application No. 10-2019-0059145, the basic applicant for claiming the priority of the present application.
  • the algae was obtained from seaweed.
  • Absorbent structures were manufactured using a pulp support embossed as a support and various absorbent materials according to an embodiment of the present invention.
  • FIG. 10 is an embossed pulp support, an absorbent structure containing diatomaceous earth, which is a porous natural product bonded on the surface of the pulp support, on the surface of the pulp support, a membrane-like algae material containing fibrin extracted from seaweed extract is coated.
  • This is a photographic image of the absorbent structure and the absorbent structure in which the powdery algae material formed from seaweed, which is seaweed powder, is combined on the surface of the pulp support.
  • FIG. 10 is expressed as a black and white image, and for the color image of FIG. 10, reference may be made to FIG. 10 of Korean Application 10-2019-0059145, which is the basic applicant for claiming priority of the present application.
  • Pulp absorbent
  • Weight(g) Absorption power to weight smell Appearance (color)
  • Example 4 Pulp + seaweed extract (seaweed) 65: 35 One 14.3 times none Partly pale yellowish brown appearance
  • Pulp support 100 0 One 5 times none White, no dissociation foreign matter
  • the sanitary pad according to the present invention may be provided with an absorbent pad capable of natural biodegradation without side effects by essentially removing harmful or toxic components and selecting a natural material.

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Chemical & Material Sciences (AREA)
  • Hematology (AREA)
  • Materials Engineering (AREA)
  • Vascular Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Botany (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Zoology (AREA)
  • Inorganic Chemistry (AREA)
  • Absorbent Articles And Supports Therefor (AREA)

Abstract

Des modes de réalisation de la présente invention concernent une structure absorbante, et un tampon absorbant la comprenant. Une structure absorbante selon un mode de réalisation de la présente invention comprend une structure absorbante comprenant : un matériau absorbant contenant une substance à base d'algues qui absorbe et supporte un absorbat liquide; ou un matériau absorbant composite dans lequel au moins un élément choisi dans le groupe constitué par une pâte naturelle, une fibre naturelle et une résine biodégradable est combiné avec ledit matériau absorbant.
PCT/KR2020/006289 2019-05-13 2020-05-13 Structure absorbante et tampon absorbant comprenant celle-ci WO2020231175A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20190055367 2019-05-13
KR10-2019-0055367 2019-05-13
KR10-2019-0059145 2019-05-20
KR1020190059145A KR20200131139A (ko) 2019-05-13 2019-05-20 흡수 구조체 및 이를 포함하는 흡수 패드

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WO2020231175A1 true WO2020231175A1 (fr) 2020-11-19

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JP2000051690A (ja) * 1997-12-22 2000-02-22 Frontier:Kk 含塩溶液吸収用の吸収材料および吸収体
KR100353287B1 (ko) * 1999-07-13 2002-09-18 백인진 생약 조성물을 포함하는 기저귀
JP2003154262A (ja) * 2001-11-26 2003-05-27 Unitika Ltd 吸水材及びその製造方法並びに吸水性物品
KR20100139102A (ko) * 2008-03-31 2010-12-31 유니챰 가부시키가이샤 흡수시에 가교를 형성하는 흡수체
KR20120052315A (ko) * 2009-07-13 2012-05-23 유니챰 가부시키가이샤 흡수체 및 흡수성 물품
KR20140077278A (ko) * 2012-12-14 2014-06-24 박삼문 커피가 도포된 패드
KR101780378B1 (ko) * 2016-10-11 2017-09-22 한국다이퍼 주식회사 갈조류를 이용한 에어레이드층을 포함하는 패드 및 그의 제조 방법
KR101868568B1 (ko) * 2017-11-07 2018-06-18 주식회사 대한바이오팜 갈조류를 이용한 흡수층을 포함하는 패드 및 그의 제조 방법

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000051690A (ja) * 1997-12-22 2000-02-22 Frontier:Kk 含塩溶液吸収用の吸収材料および吸収体
KR100353287B1 (ko) * 1999-07-13 2002-09-18 백인진 생약 조성물을 포함하는 기저귀
JP2003154262A (ja) * 2001-11-26 2003-05-27 Unitika Ltd 吸水材及びその製造方法並びに吸水性物品
KR20100139102A (ko) * 2008-03-31 2010-12-31 유니챰 가부시키가이샤 흡수시에 가교를 형성하는 흡수체
KR20120052315A (ko) * 2009-07-13 2012-05-23 유니챰 가부시키가이샤 흡수체 및 흡수성 물품
KR20140077278A (ko) * 2012-12-14 2014-06-24 박삼문 커피가 도포된 패드
KR101780378B1 (ko) * 2016-10-11 2017-09-22 한국다이퍼 주식회사 갈조류를 이용한 에어레이드층을 포함하는 패드 및 그의 제조 방법
KR101868568B1 (ko) * 2017-11-07 2018-06-18 주식회사 대한바이오팜 갈조류를 이용한 흡수층을 포함하는 패드 및 그의 제조 방법

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