CN108366886B - Disposable diaper - Google Patents
Disposable diaper Download PDFInfo
- Publication number
- CN108366886B CN108366886B CN201680069765.8A CN201680069765A CN108366886B CN 108366886 B CN108366886 B CN 108366886B CN 201680069765 A CN201680069765 A CN 201680069765A CN 108366886 B CN108366886 B CN 108366886B
- Authority
- CN
- China
- Prior art keywords
- lateral plate
- skin
- skin lateral
- disposable diaper
- aperture
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 30
- 239000006096 absorbing agent Substances 0.000 claims abstract description 25
- 239000000835 fiber Substances 0.000 claims description 122
- 239000000203 mixture Substances 0.000 claims description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 47
- 230000002093 peripheral effect Effects 0.000 claims description 44
- 238000005342 ion exchange Methods 0.000 claims description 22
- 239000007767 bonding agent Substances 0.000 claims description 16
- 238000003466 welding Methods 0.000 claims description 14
- 230000000274 adsorptive effect Effects 0.000 claims description 9
- 229920006395 saturated elastomer Polymers 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 4
- 210000004243 sweat Anatomy 0.000 description 43
- 238000005259 measurement Methods 0.000 description 27
- 238000000034 method Methods 0.000 description 21
- 230000002745 absorbent Effects 0.000 description 17
- 239000002250 absorbent Substances 0.000 description 17
- 230000000694 effects Effects 0.000 description 13
- 239000004744 fabric Substances 0.000 description 12
- 239000007788 liquid Substances 0.000 description 12
- 239000004745 nonwoven fabric Substances 0.000 description 12
- 238000005520 cutting process Methods 0.000 description 10
- 238000004049 embossing Methods 0.000 description 9
- 238000012545 processing Methods 0.000 description 9
- 239000003795 chemical substances by application Substances 0.000 description 7
- 206010025421 Macule Diseases 0.000 description 5
- 230000035699 permeability Effects 0.000 description 5
- 229920002994 synthetic fiber Polymers 0.000 description 5
- 230000010148 water-pollination Effects 0.000 description 5
- 206010027627 Miliaria Diseases 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 201000004169 miliaria rubra Diseases 0.000 description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 description 4
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- 230000005808 skin problem Effects 0.000 description 4
- 239000012209 synthetic fiber Substances 0.000 description 4
- 208000010201 Exanthema Diseases 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- 241000278713 Theora Species 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 201000005884 exanthem Diseases 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 229920000098 polyolefin Polymers 0.000 description 3
- 206010037844 rash Diseases 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 210000002700 urine Anatomy 0.000 description 3
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 2
- 201000004624 Dermatitis Diseases 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 2
- 208000010668 atopic eczema Diseases 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229920005992 thermoplastic resin Polymers 0.000 description 2
- RBTBFTRPCNLSDE-UHFFFAOYSA-N 3,7-bis(dimethylamino)phenothiazin-5-ium Chemical compound C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 RBTBFTRPCNLSDE-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 244000048879 Funtumia elastica Species 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000012505 colouration Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229960000907 methylthioninium chloride Drugs 0.000 description 1
- 230000001002 morphogenetic effect Effects 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 239000011115 styrene butadiene Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- 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
- A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
- A61F13/51474—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its structure
- A61F13/51478—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its structure being a laminate, e.g. multi-layered or with several layers
- A61F13/5148—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its structure being a laminate, e.g. multi-layered or with several layers having an impervious inner layer and a cloth-like outer layer
-
- 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
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
-
- 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
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/494—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means
-
- 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
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/494—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means
- A61F13/49466—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the waist region
-
- 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
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/496—Absorbent articles specially adapted to be worn around the waist, e.g. diapers in the form of pants or briefs
-
- 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
- A61F13/512—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations
-
- 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
- A61F13/512—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations
- A61F13/5121—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations characterised by the vertical shape of the apertures, e.g. three dimensional apertures, e.g. macro-apertures
-
- 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
- A61F13/513—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability
- A61F13/51305—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability having areas of different permeability
-
- 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
- A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
- A61F13/51456—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties
- A61F13/51458—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties being air-pervious or breathable
- A61F13/5146—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties being air-pervious or breathable having apertures of perforations
-
- 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
- A61F13/56—Supporting or fastening means
-
- 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
- A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
- A61F5/44—Devices worn by the patient for reception of urine, faeces, catamenial or other discharge; Portable urination aids; Colostomy devices
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dermatology (AREA)
- Nursing (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
Disposable diaper (1) of the invention has the veutro waist panel (FA) and back side waist panel (FB) for being located at outside compared with the rear ends (23A) of the longitudinal direction (X) of absorber (23), (23B) and extending on transverse direction (Y).Back side waist panel (FB) has hydrophobic skin lateral plate (4) and hydrophilic non-skin lateral plate (5).Skin lateral plate (4) includes the recessed portion (41) being recessed to non-skin lateral plate (5) side and penetrates through the aperture (44) of skin lateral plate (4) in recessed portion (41).For the recessed portion (4) of skin lateral plate (4) closer to aperture (44), thickness is smaller.
Description
Technical field
The present invention relates to disposable diapers.
Background technique
Always, it is known to the piece etc. of sweat is absorbed in the face setting of disposable diaper contacted with skin, it is wet to effectively prevent
The disposable diaper (for example, patent document 1) of the generations such as rash, fash, macula.
In patent document 1, following disposable diaper is disclosed: in order to absorb sweat and in end flaps and the side wing
Piece setting will be abutted in skin hydrophobic first fabric nonwoven cloth of side in non-hydrophilic second fibre for abutting side of skin
Tie up composite sheet made of non-woven fabrics is overlapped and is fixed in heat-fused portion.In addition, in patent document 1, recording in setting perforation
State multiple aperture portions of above-mentioned first fabric nonwoven cloth of composite sheet.
As technology unlike this, the previous motion of the applicant has following Breeches type disposable diaper: constituting shorts
The exterior body of type disposable diaper is formed as the cylindrical portion extended in the longitudinal direction and is arranged side by side in width direction, is being configured at structure
At the protrusion of the piece of the skin abutment face side of the cylindrical portion, being longitudinally spaced property it is formed with multiple interior with the cylindrical portion
The connected aperture (for example, patent document 2) in portion.
Existing technical literature
Patent document
Patent document 1:(Japan) special open 2004-298467 bulletin
Patent document 2:(Japan) special open 2011-78477 bulletin
Summary of the invention
Disposable diaper of the invention has ventral region and back side region and in the longitudinal direction positioned at the crotch between them
Portion region steps up and states ventral region and above-mentioned back side region with absorber, and has longitudinal front and back end with the absorber
The veutro waist panel and back side waist panel that portion respectively compares positioned at outside and horizontally extends.At least the above back side waist
Portion's fin has the hydrophobic skin lateral plate for forming skin abutment face and the opposite surface side of non-skin positioned at the skin lateral plate
Hydrophilic non-skin lateral plate.Above-mentioned skin lateral plate include to above-mentioned non-skin lateral plate side be recessed multiple recessed portions and
The aperture of the skin lateral plate is respectively penetrated through in the recessed portion.For the above-mentioned recessed portion of above-mentioned skin lateral plate closer to above-mentioned aperture, this is recessed
The thickness of concave portion is smaller.
Detailed description of the invention
Fig. 1 is the perspective view of the nature of the Breeches type disposable diaper as an embodiment of the invention.
Fig. 2 is the expansion top view of the state after diaper shown in Fig. 1 is unfolded and is stretched from skin abutment face side.
Fig. 3 (a) is the major part amplification of a part of the exterior body of diaper shown in Fig. 2 from skin abutment face side
Top view, Fig. 3 (b) are the partly enlarged top views of recessed portion shown in (a).
Fig. 4 is IV-IV line profile shown in Fig. 2.
Fig. 5 is the perspective view for decomposing a part of exterior body possessed by diaper shown in Fig. 2.
Fig. 6 is the enlarged cross-sectional view for indicating waist pars contractilis in diaper shown in Fig. 1 transversely section of (Y-direction).
Specific embodiment
The disposable diaper recorded in patent document 1 is in order to make part of the sweat from heat-fused portion using capillarity
It is removable, it is formed with maintaining the state for the fibre morphology for being constituted fiber.Such to maintain the fibre morphology for being constituted fiber
The morphogenetic heat-fused portion of shape in, the thickness of their peripheral part can not be made sufficiently thin, thus capillarity is unstable
It is fixed, sweat can not be fully absorbed by aperture portion.
In addition, the thickness of the peripheral part of the aperture just constituted in patent document 2 in exterior body does not make any record.
Thus, the purpose of the present invention is to provide the disposable urines for being able to solve disadvantage present in the above-mentioned prior art
Cloth.
Hereinafter, based on embodiment preferred for this invention, the present invention will be described referring to attached drawing.
Disposable diaper of the invention is on longitudinal X including ventral region A and back side region B and between above-mentioned A, B
Crotch region C, and the absorber 23 with across ventral region A and back side region B, also with longitudinal X's of absorber 23
The veutro waist panel FA and back side waist panel that rear ends 23A, 23B are respectively compared positioned at outside and extended in the lateral direction y
FB.Herein, ventral region A is the region that the veutro of wearer is configured at when disposable diaper is worn, and back side region B is one
Secondary property diaper is configured at the region of the back side of wearer when being worn.Also, veutro waist panel FA refers to will be from absorber 23
Longitudinal X the ventral region side A front end 23A ora terminalis rise be located on the outside of the X of longitudinal direction and the region that extends in the lateral direction y with
Region after the region merging technique that the front end 23A of the ventral region side A of longitudinal X of absorber 23 extends in the lateral direction y.Separately
Outside, back side waist panel FB, which refers to, to be located at from the ora terminalis of the rear end 23B of the back side region side B of longitudinal X of absorber 23
On the outside of longitudinal X and the rear end 23B of the region extended in the lateral direction y and the back side region side B of longitudinal X from absorber 23 exists
Region after the region merging technique extended on lateral Y.
The pants-type disposable urine of an embodiment as disposable diaper of the invention is indicated in Fig. 1 and Fig. 2
Cloth 1 (hereinafter also referred to " diaper 1 ").As depicted in figs. 1 and 2, diaper 1 includes absorbent main body 2 and is configured at absorbent main body
2 non-skin is with respect to surface side and fixes the exterior body 3 of the absorbent main body 2, and exterior body 3 has and constitute absorbent main body 2
Rear ends 23A, 23B of longitudinal X of absorber 23 compares the veutro waist panel FA for being located at outside and extending in the lateral direction y
With back side waist panel FB.Diaper 1 is left and right sides edge 3a1,3a1 of the ventral region A of exterior body 3 and the back of exterior body 3
The left and right sides edge 3b1,3b1 of side region B is engaged and is formed as a pair of of side seal portion S, S, waist opening portion WO and a pair of of leg
The disposable diaper of portion opening portion LO, LO.It is preferred that as shown in Fig. 2, the exterior body 3 of diaper 1 overlooks the state be unfolded and extended
When, it is divided into and is configured at the ventral region A of the veutro of wearer, the back side that is configured at when wearing wearer when wearing
Crotch region C between back side region B and ventral region A and back side region B.
Above-mentioned diaper 1 is unfolded and the state extended refers to as shown in Fig. 2, tearing side seal portion S makes the expansion shape of diaper 1
State extends the elastomeric element of each section of the diaper 1 of the unfolded state, extends to and (excludes bullet with complete as design size
Size when being extended to planar in the state of the influence of property component is identical) state.
In the present specification, " skin abutment face " refers to wearing in diaper 1 or its component parts (such as exterior body 3)
When the face that is abutted with the skin of wearer.In addition, " skin opposite face " is court when wearing in diaper 1 or its component parts
To the face of the skin side of wearer, " non-skin opposite face " be in diaper 1 or its component parts when wearing towards wearer
The face of skin side opposite side (side of wearing the clothes).In diaper 1, longitudinal (X-direction) be under planar development and elongation state from
Ventral region A is to the direction of back side region B.In addition, laterally (Y-direction) is the direction orthogonal with longitudinal direction (X-direction), it is with flat
The width direction of the diaper 1 of state that face is unfolded and is extended.
In addition, diaper 1 becomes about the longitudinal centre line CL1 or so as shown in Figure 2 extended in longitudinal direction (X-direction)
Symmetrical shape.In addition, the CL2 in Fig. 2 is the cross central line extended in transverse direction (Y-direction) for dividing diaper 1 equally, with
Longitudinal centre line CL1 is orthogonal.
In diaper 1, absorbent main body 2 is as shown in Fig. 2, being unfolded diaper 1 and in the state of extend, longitudinal (side X
To) shape with relatively long lengthwise.The positive dough sheet 21 of liquid permeability of the absorbent main body 2 including forming skin opposite face,
It forms the back sheet 22 of the difficult liquid permeability (also including water-repellancy) of non-skin opposite face and is configured between the two pieces 21,22
Liquid retainability absorber 23.In addition, being set as shown in Figure 2 in the both sides of (X-direction) along longitudinal direction of absorbent main body 2
It is equipped with leakage-proof turnup 24,24, has and elastic portion is used with the leakage-proof turnup formation that elongation state configures in longitudinal direction (X-direction)
Part 25.Specifically, leakage-proof turnup 24 is made of the raw material of opaque liquid or water-repellancy and gas permeability, in each leakage-proof turnup 24
Free end nearby with the state that is extended in longitudinal direction (X-direction) configured with leakage-proof turnup formation elastomeric element 25.It is urinating
When cloth is worn, by the leakage-proof turnup formation contraction of elastomeric element 25, the free end side of leakage-proof turnup 24 is erected, resistance
Only outflow of the body fluid to transverse direction (Y-direction).
The absorbent main body 2 constituted in the above-described manner is as shown in Fig. 2, make its longitudinal (X-direction) and expansion and elongation state
Under diaper 1 longitudinal direction (X-direction) unanimously, by the fixed central portion for being engaged in exterior body 3 with bonding agent of main body.Exterior as a result,
Body 3 is configured at the non-skin of the thickness direction of disposable diaper 1, composition absorbent main body 2 back sheet 22 simultaneously with respect to surface side
It is adhesively secured.Thus, in diaper 1, across the ventral region A of absorber 23 and back side region B for constituting absorbent main body 2 match
It sets.
The veutro for being located at outside compared with rear ends 23A, 23B of longitudinal X of absorber 23 and extending in the lateral direction y
At least back side waist panel FB in waist panel FA and back side waist panel FB, which has, forms the hydrophobic of skin abutment face
Skin lateral plate 4 and positioned at skin lateral plate 4 non-skin with respect to surface side hydrophilic non-skin lateral plate 5.In diaper 1, such as scheme
Shown in 2, it is respectively provided with skin lateral plate 4 and non-skin lateral plate 5 in veutro waist panel FA and back side waist panel FB, further
There is hydrophobic outer-skin sheet 6 with respect to surface side in the non-skin of non-skin lateral plate 5.
It is preferred that in diaper 1, exterior body 3 as shown in Fig. 2, have with the rear ends 23A of longitudinal X of absorber 23,
The veutro waist panel FA and back side waist panel FB that 23B is respectively compared positioned at outside and extended in the lateral direction y.Also, as schemed
2, shown in Fig. 4, exterior body 3 has the non-skin for the outer surface for forming diaper 1 with respect to the outer-skin sheet 6 of surface side, opposite near skin
The skin lateral plate 4 of surface side, the inner layer piece being configured between outer-skin sheet 6 and skin lateral plate 4.In diaper 1, the inner layer piece is suitable
In non-skin lateral plate 5.
Further preferably in diaper 1, as shown in Fig. 2, ventral region A and back side region B respectively in composition outer-skin sheet
6 sheet material turns back to the skin of non-skin lateral plate 5 with respect to surface side along the peripheral part of waist opening portion WO, and fold back portion 6R covers
Lid constitutes rear ends 23A, 23B of the longitudinal direction (X-direction) of the absorber 23 of absorbent main body 2.Skin lateral plate 4, non-skin
Lateral plate (inner layer piece) 5 and outer-skin sheet 6 may respectively be the piece of independent individual, but in diaper 1, skin lateral plate 4 is by outer-skin sheet 6
Fold back portion 6R is formed.As a result, in diaper 1, in the respective non-skin side back side waist panel FB and veutro waist panel FA
The skin of piece 5 is configured with skin lateral plate 4 with respect to surface side.Outer-skin sheet 6 and non-flesh in diaper 1, in addition to fold back portion 6R
Skin lateral plate 5 is formed as mutually the same shape as shown in Fig. 2, inwardly narrow in longitudinal direction (X-direction) central portion towards longitudinal centre line CL1
Shape same size.The longer square in transverse direction (Y-direction) is formed as by the skin lateral plate 4 that the fold back portion 6R of outer-skin sheet 6 is formed
Shape.
Skin lateral plate 4 is as shown in figure 4, have the multiple recessed portions 41 being recessed to non-5 side of skin lateral plate and in each recessed portion
The aperture 44 of perforation skin lateral plate 4 in 41.In diaper 1, skin lateral plate 4 has the structure of the skin lateral plate 4 in each recessed portion 41
Weld portion 42 made of being fused to each other at fiber.Also, weld portion 42 includes by the composition fibers melt of skin lateral plate 4 and inciting somebody to action
The part of this composition fiber seamlessly welding each other.Herein, the part of the welding be meant that will constitute fiber each other
It seamlessly melts, original fiber can not be restored fiber will be constituted from weld removing by being intended to again by being molten to
Shape.Also, the part of the welding becomes the part for the opaque liquid that liquid can not penetrate.In the weld portion 42 of diaper 1, this is molten
Socket part divides membranization.In diaper 1, as shown in Figure 3 and Figure 4, aperture 44 is formed in weld portion 42.
From the viewpoint of improving absorption of perspiration, preferred aperture 44 (weld portion 42 that inside is configured with aperture 44) is in skin
The ora terminalis that lateral plate 4 is at least configured at the rear end 23B of the longitudinal direction (X-direction) of the absorber 23 than constituting absorbent main body 2 more leans on
The outside (side opposite with the side cross central line CL2) of longitudinal X, in diaper 1, as shown in Fig. 2, aperture 44 is at intervals
It is configured at the whole region of skin lateral plate 4.It is preferred that the internal weld portion 42 configured with aperture 44 is become with (X-direction) along longitudinal direction
The mode of one column configures at intervals, and interval is made of configured with multiple row multiple weld portion 42 in transverse direction (Y-direction)
Weld portion column 42L.From the viewpoint of the diffusivity for improving sweat, weld portion 42 of the inside configured with aperture 44 is preferably such as Fig. 2
With shown in Fig. 3, be configured at position not Chong Die with aftermentioned joint portion 8, in diaper 1, weld portion column 42L with by aftermentioned
The joint portion column 8L that multiple joint portions 8 form alternately is configured on transverse direction (direction Y).
Weld portion 42 of the inside configured with aperture 44 can be melted to by only implementing hot Embossing processing in skin lateral plate 4
It is formed until 4 aperture of skin lateral plate.As hot Embosser, it is able to use including dandy roll and backing roll and in the embossing
The outer peripheral surface of roller has the roller of the protrusion of shape corresponding with weld portion 42.As the processing for forming weld portion 42, can also adopt
Hot Embossing processing is replaced with ultrasonic sealing function, laser etc..It is formed in implementation hot Embossing processing internal configured with aperture 44
Weld portion 42 when, embossing intensity when being preferably formed as weld portion 42 it is stronger than embossing intensity when forming aftermentioned joint portion 8 and
It is formed.
Do not make from the viewpoint of the viewpoint for improving absorption of perspiration and sweat from the viewpoint of non-skin lateral plate 5 is back to skin, in diaper 1
In, overlook as shown in Figure 2 be unfolded and extend state when, constitute the weld portion column 42L extended in longitudinal (X-direction) vertical
The weld portion 42,42 adjacent to (X-direction) is mutual to be preferably spaced 1mm or more, more preferably 3mm or more, also, preferably
For 20mm hereinafter, more preferably 18mm is hereinafter, specifically, more preferably 1mm or more 20mm is hereinafter, more preferably 3mm or more
18mm or less.
In addition, from the viewpoint of improve sweat diffusivity, as shown in Figure 2 overlook be unfolded and extend state when, in cross
Weld portion column 42L, 42L adjacent to (Y-direction) be mutual to be preferably spaced 4mm or more, more preferably 6mm or more, also,
Preferably 20mm hereinafter, more preferably 16mm hereinafter, specifically, more preferably 4mm or more 20mm hereinafter, more preferably
6mm or more 16mm or less.
Also, as shown in Figure 4 and Figure 5, closer to aperture 44, thickness is smaller for recessed portion 41.Herein, closer to aperture
44, thickness is smaller to be referred not only to closer to aperture 44, and thickness continuously becomes smaller, and also includes closer to aperture 44, thickness step formula becomes
The small meaning.The outer peripheral portion 43 for constituting the aperture 44 of the recessed portion 41 of skin lateral plate 4 as shown in Figure 4 and Figure 5, is opened to composition
Internal perisporium (periphery of aperture 44) 42e of the weld portion 42 in hole 44 goes thickness gradually thinning.Herein, outer peripheral portion 43 refers to packet
Include the part of the weld portion 42 from the internal perisporium 42e of the weld portion 42 of the periphery (profile) as aperture 44 to outside.It is preferred that outer
Circumferential portion 43 is formed as circular using internal perisporium (periphery of the aperture 44) 42e of the weld portion 42 of each recessed portion 41 as cardinal extremity.
Herein, from the viewpoint of the sweat enabled a wearer to is mobile to non-5 side of skin lateral plate, at the internal perisporium 42e by weld portion 42
In the case that the depth of recessed portion 41 is set as d3 (referring to Fig. 4), separated outward from the internal perisporium 42e of the weld portion 42 above-mentioned
The thickness of 0.50 times of position of depth (d3) is preferably 20% or more of the thickness d 2 of the part in addition to the recessed portion 41
75% hereinafter, be preferably 30% or more 65% hereinafter, separating above-mentioned depth outward from the internal perisporium 42e of the weld portion 42 in turn
Spend 55% or more 95% of the thickness d 2 of part of the thickness of 1.5 times of the position of (d3) preferably in addition to the recessed portion 41
Hereinafter, being in turn preferably 70% or more 90% or less.The depth (d3) of recessed portion 41 at the internal perisporium 42e of weld portion 42, on
The measurement of the thickness of position separated by a distance is stated with same as the measurement of thickness d 5 of internal perisporium 42e of aftermentioned weld portion 42
Method measurement.
In addition, the measurement for constituting the thickness d 2 of the part in addition to recessed portion 41 of skin lateral plate 4 is to skin lateral plate
In the state that 4 apply the load of 0.05kPa, it is measured using thickness tester.Thickness tester uses OMRON company
The laser displacement gauge of manufacture.Thickness measurement is measured at 10, calculates their average value as in addition to recessed portion 41
Part thickness.
The outer peripheral portion 43 of aperture 44 to the internal perisporium 42e of weld portion 42 removes thickness, and gradually a thinning thing can be by such as
Lower method confirmation: 0.50 times of position of above-mentioned depth (d3) is separated outward from the internal perisporium 42e of above-mentioned weld portion 42
The thickness of 1.5 times of position of the thickness than separating above-mentioned depth (d3) outward from the internal perisporium 42e of above-mentioned weld portion 42
It is small.
In diaper 1, the aperture 44 of skin lateral plate 4 goes out from the sweat enabled a wearer to the mobile viewpoint in non-5 side of skin lateral plate
Hair, the thickness d 5 (referring to Fig. 4) of the internal perisporium 42e of the weld portion 42 be preferably 60 μm hereinafter, in turn preferably 45 μm hereinafter,
Lower limit is 10 μm.The measurement of the thickness d 5 of the internal perisporium 42e of weld portion 42 is as follows: in a manner of including aperture 44, using knife,
The section of the internal perisporium 42e not make weld portion 42 such as cutting machine, razor is cut in a manner of being crushed in thickness direction
It cuts, and with micro- sem observation cutting section, to measure the thickness of the internal perisporium 42e of weld portion 42.Thickness measurement is in internal perisporium
It is measured at different 10 of 42e, calculates their average value using the thickness of the internal perisporium 42e as weld portion 42.
In addition, in diaper 1, from the viewpoint of the sweat enabled a wearer to is mobile to non-5 side of skin lateral plate, skin lateral plate 4
The diameter L1 (referring to Fig. 3) of aperture 44 be preferably 0.5mm or more, and then preferably 1mm or more, also, preferably 3mm with
Under, and then preferably 2.5mm is hereinafter, specifically, it is preferable that be 0.5mm or more 3mm hereinafter, being in turn preferably 1mm or more
2.5mm following.Herein, the diameter L1 (referring to Fig. 3) of aperture 44 refers to the length of the aperture 44 at most narrow position.
In addition, in diaper 1, for the viewpoint that the sweat enabled a wearer to is moved to non-5 side of skin lateral plate, skin lateral plate 4
Weld portion 42 internal perisporium 42e thickness d 5 (referring to Fig. 4) be preferably aperture 44 diameter L1 (referring to Fig. 3) 1/10 with
Under, so preferably 1/30 hereinafter, lower limit be 1/50.
In addition, in diaper 1, for the viewpoint that the sweat enabled a wearer to is moved to non-5 side of skin lateral plate, about skin
The aperture 44 of lateral plate 4, the perforated area of the aperture 44 are preferably 0.5mm2More than, and then preferably 0.75mm2More than, separately
Outside, never make sweat from the viewpoint of non-skin lateral plate 5 is back to skin, preferably 5mm2Hereinafter, being in turn preferably 4mm2With
Under, specifically, it is preferable that being 0.5mm2The above 5mm2Hereinafter, being in turn preferably 0.75mm2The above 4mm2Below.
In addition, in diaper 1, from the viewpoint of efficiently being moved to non-5 side of skin lateral plate the sweat enabled a wearer to,
When the back side waist panel FB of diaper 1, vertical view expansion as shown in Figure 2 and the state extended, the area and skin of whole apertures 44
The ratio of the entire area of lateral plate 4 is preferably 1% or more, and more preferably 3% or more, in addition, just not making sweat from non-skin lateral plate
5 are back to for the viewpoint of skin, and preferably 15% hereinafter, more preferably 10% hereinafter, specifically, more preferably 1%
Above 15% hereinafter, more preferably 3% or more 10% or less.
In addition, in diaper 1, for the viewpoint that the sweat enabled a wearer to is moved to non-5 side of skin lateral plate, skin lateral plate 4
Aperture 44 be preferably formed in thickness in outer peripheral portion 43, with a thickness of the part in skin lateral plate 4 in addition to recessed portion 41
In the 70% thin region 43T below of d2 (referring to Fig. 4), further, and then it is preferably formed in thin region 43T, thick
Degree is in the 40% thin region 43ST in aperture side below of thickness d 2 (referring to Fig. 4).In addition, in diaper 1, not only aperture 44
It is formed in thin region 43T, weld portion 42 is also formed in thin region 43T.
In addition, the thickness d 2 (referring to Fig. 4) of the part in skin lateral plate 4 in addition to the recessed portion 41 never makes sweat from non-
Skin lateral plate 5 is back to from the perspective of skin, preferably 600 μm hereinafter, more preferably 350 μm hereinafter, lower limit be 100 μm.
In diaper 1, the thin region 43T of the outer peripheral portion 43 of aperture 44 in recessed portion 41 is in the same manner as outer peripheral portion 43
Be formed as circular.The thin region 43T of recessed portion 41 with regard to the sweat that enables a wearer to for the mobile viewpoint in non-5 side of skin lateral plate,
Its diameter L2 (referring to Fig. 3 (a) and (b)) is preferably 1.5 times or more of the diameter L1 (referring to Fig. 3 (a) and (b)) of aperture 44,
And then preferably 2 times or more, the upper limit are 3 times.Herein, the diameter L2 of circular thin region 43T (referring to Fig. 3 (a) and (b))
Refer to the length in the periphery of thin region 43T at most narrow position.
About skin lateral plate 4, grammes per square metre 30g/m2Hereinafter, mobile from the sweat enabled a wearer to non-5 side of skin lateral plate
Viewpoint is set out, preferably 20g/m2Hereinafter, in addition, becoming the non-skin lateral plate 5 after absorbing water from skin lateral plate 4 is preferably played
Barrier between skin, so that the sweat for the wearer for being moved to non-skin lateral plate 5 be made to be not susceptible to return to the sweat of skin
It returns, and absorbs the piece after sweat and be not attached to from the perspective of the effect of skin, the grammes per square metre of skin lateral plate 4 is preferably 9g/m2
More than, and then preferably 10g/m2More than, specifically, it is preferable that being 9g/m2The above 30g/m2Hereinafter, more preferably 10g/m2With
Upper 20g/m2Below.The grammes per square metre of skin lateral plate 4 can be measured from measurable area and its weight.At this moment
In measurement, carried out in the environment of 23 ± 2 DEG C, relative humidity 50 ± 5%, and before the assay save sample in the present context
Then it is measured within 24 hours or more.
In addition, skin lateral plate 4 and non-skin lateral plate 5 can for example pass through aftermentioned hot Embossing processing in exterior body 3
At joint portion 8 it is fixed, but in diaper 1, as shown in figure 4, skin lateral plate 4 is Nian Jie via bonding agent 9 with non-skin lateral plate 5.
Bonding agent 9 is in the non-skin opposite face of skin lateral plate 4 or the skin opposite face of non-skin lateral plate 5 with the coating of such as helical form.Just
For the viewpoint that the sweat enabled a wearer to is moved to non-5 side of skin lateral plate, preferably when carrying out section observation as shown in Figure 4,
Position configured with bonding agent 9 is Chong Die with the weld portion 42 of skin lateral plate 4.
In addition, exterior body 3 as shown in Figures 2 and 3, has between non-skin lateral plate 5 and outer-skin sheet 6 in diaper 1
With the state extended in transverse direction (Y-direction) and the multiple elastomeric elements 71 configured at intervals on longitudinal direction (direction X).?
In diaper 1, waist pars contractilis G1 and waist lower part pars contractilis G2 are formed and with multiple elastomeric element 71.In addition,
In diaper 1, as shown in Fig. 2, multiple leg elastic members with elongation state between non-skin lateral plate 5 and outer-skin sheet 6
72.In diaper 1, leg pars contractilis G3 is formed and with multiple leg elastic members 72.
In diaper 1, waist pars contractilis G1 absorbs as shown in Fig. 2, being formed as being located in longitudinal direction (X-direction) than constituting
The ora terminalis of rear ends 23A, 23B of the longitudinal direction (X-direction) of the absorber 23 of property main body 2 more lean on the outside of longitudinal X (in transverse direction
The opposite side of the side heart line CL2) end flaps.In addition, waist lower part pars contractilis G2 is formed as in longitudinal direction (X in diaper 1
Direction) on positioned at waist pars contractilis G1 the lower end of the side cross central line CL2 and the lower end of side seal portion S between side flaps.
Above-mentioned back side waist panel FB and veutro waist panel FA is by above-mentioned end flaps (waist pars contractilis G1) and the above-mentioned side wing
Region after a part merging of piece (waist lower part pars contractilis G2).In addition, in diaper 1, leg pars contractilis G3 such as Fig. 2 institute
Show, is formed as the peripheral part of leg opening part LO.
Exterior body 3 as shown in Figures 2 and 3, there is the non-skin lateral plate 5 of engagement to connect with the multiple of outer-skin sheet 6 in diaper 1
Conjunction portion 8.As described above, joint portion 8 is not in the formation of skin lateral plate 4 in diaper 1.In diaper 1, back side waist panel FB
With veutro waist panel FA by non-skin lateral plate 5 and outer-skin sheet 6 to spread the multiple as made of thermal welding of shape configuration
The engagement of joint portion 8 is fixed and is formed.
It is preferred that in diaper 1, as shown in Fig. 2, from the ventral region A and respective waist pars contractilis G1 of back side region B to
The region of waist lower part pars contractilis G2, by the joint portion 8 of non-skin lateral plate 5 and 6 thermal welding of outer-skin sheet with (X-direction) along longitudinal direction
Mode as a column configures at intervals, and the joint portion column 8L being made of multiple joint portion 8 is separated in transverse direction (Y-direction)
It is configured with multiple row at intervals.
Joint portion 8 by being overlapped non-skin lateral plate 5 with outer-skin sheet 6, and the part of coincidence implement hot Embossing processing and
Melting and solidification is formed.It as hot Embosser, is able to use including dandy roll and backing roll, and in the outer of the dandy roll
Circumferential surface has the device of the protrusion of shape corresponding with joint portion 8.It, also can be using ultrasound as the processing for forming joint portion 8
Wave sealing, laser etc. replace hot Embossing processing.
In diaper 1, it is formed in the adjacent in longitudinal direction (X-direction) of the joint portion column 8L extended in longitudinal direction (X-direction)
The mutual interval in joint portion 8,8 is from the viewpoint of the diffusivity for improving sweat, preferably 1mm or more, more preferably 3mm or more,
Also, preferably 20mm hereinafter, more preferably 18mm hereinafter, specifically, more preferably 1mm or more 20mm is hereinafter, more excellent
It is selected as 3mm or more 18mm or less.
In addition, absorbed sweat is just improved at the mutual interval joint portion column 8L, 8L adjacent in transverse direction (Y-direction)
For the viewpoint of vapo(u)rability, preferably 4mm or more, more preferably 6mm or more, also, preferably 20mm is hereinafter, more preferably
16mm is hereinafter, specifically, more preferably 4mm or more 20mm is hereinafter, more preferably 6mm or more 16mm or less.
Diaper 1 has multiple elastomeric elements 71 between the fixed non-skin lateral plate 5 in joint 8 and outer-skin sheet 6, should
State configuration of multiple elastomeric elements 71 to be extended in transverse direction (Y-direction), and configured at intervals in longitudinal direction (X-direction).
It is preferred that in diaper 1, as shown in Fig. 2, under ventral region A and the respective waist pars contractilis G1 to waist of back side region B
The region of portion pars contractilis G2, multiple elastomeric elements 71 are respectively by between multiple respective joint portions 8 joint portion column 8L
Gap, with the state configuration extended in transverse direction (Y-direction).In diaper 1, sweat is never made to be back to flesh from non-skin lateral plate 5
From the perspective of skin, as shown in Fig. 2 and Fig. 3, preferably between elastomeric element 71,71 adjacent in longitudinal direction (X-direction)
Configured with weld portion 42, and it is preferable configured with the aperture 44 of skin lateral plate 4.
In addition, in diaper 1, as shown in Fig. 2, in two sides edge 3a1,3a1 and exterior of the ventral region A of exterior body 3
Two sides edge 3b1,3b1 of the back side region B of body 3, non-skin lateral plate 5 have fixed with viscous via elastomeric element with outer-skin sheet 6
A pair of outside fixed area 3T1,3T1 for connecing agent engagement, in addition, the both sides of (X-direction) along longitudinal direction in absorbent main body 2
Near, non-skin lateral plate 5 has with outer-skin sheet 6 to be fixed via fixed a pair of of the main body side engaged with bonding agent of elastomeric element
Region 3T2,3T2.
Match between the waist pars contractilis G1 of diaper 1, across a pair of outside fixed area 3T1,3T1 of multiple elastomeric elements 71
Set, these elastomeric elements 71 a pair of outside fixed area 3T1,3T1 respectively in be fixed on non-skin lateral plate 5 and outer-skin sheet 6 it
Between, but between a pair of outside fixed area 3T1,3T1, it is not fixed to any one of non-skin lateral plate 5 and outer-skin sheet 6.
In addition, in the waist lower part pars contractilis G2 of diaper 1, across the outside fixed area 3T1 of multiple elastomeric elements 71 and main body
It is configured between the fixed area 3T2 of side, fixed area 3T1 and main body side fixed area 3T2 is respectively on the outside for these elastomeric elements 71
In be fixed between non-skin lateral plate 5 and outer-skin sheet 6, but on the outside between fixed area 3T1 and main body side fixed area 3T2,
It is not fixed to any one of non-skin lateral plate 5 and outer-skin sheet 6.In the waist lower part pars contractilis G2 of diaper 1, in a pair of of main body
Between fixed area 3T2,3T2 of side without configuration elastomeric element 71 or elastomeric element 71 in order not to embodying elastic extension and
To implement the state configuration of the processing such as segmentation fine crushing.
In addition, in the leg pars contractilis G3 of diaper 1, configured in the peripheral part of leg opening part LO with elongation state more
A leg elastic members 72 are fixed solid with bonding agent via the elastomeric element for the peripheral part for being configured at leg opening part LO with planar
Due between non-skin lateral plate 5 and outer-skin sheet 6.
Diaper 1 has a pleated portions G as shown in figures 1 to 6, pleated portions G by non-skin lateral plate 5 and outer-skin sheet 6 it
Between with the state configuration extended in transverse direction (Y-direction) and the multiple elastomeric elements 71 configured at intervals in longitudinal direction (X-direction)
Shrink, skin lateral plate 4 by the inside of diaper 1 it is outstanding in a manner of deform.It is preferred that in the exterior body 3 of diaper 1, in waist
Pars contractilis G1 and waist lower part pars contractilis G2, by between non-skin lateral plate 5 and outer-skin sheet 6 with transverse direction (Y-direction) extend
State configuration and the contraction of multiple elastomeric elements 71 that is configured at intervals in longitudinal direction (X-direction), in transverse direction (Y-direction)
Outer-skin sheet 6 between adjacent joint portion column 8L, 8L is deformed in a manner of protruding outward, and solid via bonding agent 9
Fixed skin lateral plate 4 and non-skin lateral plate 5 are deformed in a manner of protruding inwardly and form pleated portions G.Also, adjacent
Between joint portion column 8L, 8L, the pleat 3F being made of outer-skin sheet 6 or skin lateral plate 4 and non-skin lateral plate 5 is generated, also,
It is formed between outer-skin sheet 6 and skin lateral plate 4 and non-skin lateral plate 5 hollow made of being surrounded surrounding with pleat 3F as pleat 3F
Portion 3H.
From the viewpoint of the sweat enabled a wearer to is mobile to non-5 side of skin lateral plate, preferably elastomeric element 71 is shunk and shape
At pleated portions G carry out section observation as shown in Figure 6 when, the depth d4 for the recess portion being recessed from skin lateral plate 4 to non-skin side
The position of half play whole 60% or more in projection (skin with respect to surface side) configured with weld portion 42, preferred disposition
Have 75% or more, preferred upper limit 100%.
The forming material of each section of above-mentioned diaper 1 is illustrated.
Skin lateral plate 4 is the piece for including hydrophobic non-woven fabrics constituted with hydrophobic fiber etc., non-skin lateral plate 5
It is the piece for including hydrophilic non-woven fabrics constituted with hydrophilic fiber etc..
In diaper 1, the skin lateral plate 4 for constituting exterior body 3 is formed by the fold back portion 6R of outer-skin sheet 6, therefore, includes
The entirety of the outer-skin sheet 6 of fold back portion 6R (skin lateral plate 4) is formed with hydrophobic be made of hydrophobic fiber, with
The seperated non-skin lateral plate 5 of outer-skin sheet 6 is constituted with hydrophilic.
As the hydrophobic fibre for constituting hydrophobicity piece used in outer-skin sheet 6 (including skin lateral plate 4), conjunction can be enumerated
At fiber, specifically, being able to use the fiber for being typically used as the composition fiber of various non-woven fabrics, such as polyethylene can be enumerated
(PE) polyolefine fibers such as fiber, polypropylene (PP) fiber；Polyethylene terephthalate (PET), polyamide etc. is used alone
Fiber made of thermoplastic resin；Core-sheath-type or parallel type (side by side) isostructural composite fibre.
As the hydrophilic fibre for constituting hydrophily piece used in non-skin lateral plate 5, it can enumerate and synthetic fibers are implemented
The fiber of hydrophiling, specifically, can enumerate the fiber that hydrophobic synthetic fibre is handled with hydrophilic agent,
Fiber is mixed into the fiber of hydrophilic agent.In addition, being also able to use inherently hydrophilic fiber such as natural class, half a day
The compound nonwoven cloth that the fiber and synthetic fibers of right class are mixed to get.Synthetic fibers are not particularly limited, can be enumerated poly-
The polyolefine fibers such as ethylene (PE) fiber, polypropylene (PP) fiber；Polyethylene terephthalate (PET), polyamides is used alone
Fiber made of the thermoplastic resins such as amine；The isostructural composite fibre of core-sheath-type, parallel type.The hydrophiling of synthetic fibers is made
As long as hydrophilic agent for amenities purposes general hydrophilic agent then without particularly limiting.With hydrophily
Fiber specifically, non-wood pulp such as can enumerate wood pulp or cotton pulp, straw pulp etc. native cellulose fibre；People
Make the regenerated celulose fibre of silk, cuprammonium rayon etc..In addition, hydrophilic in addition to hydrophilic non-woven fabrics, it further include parent
Aqueous cloth.As the type of hydrophilic non-woven fabrics, hot-wind nonwoven cloth, spun-bonded non-woven fabrics, hot-rolling non-woven fabrics, water can be enumerated
Prick nonwoven cloth or melt spraying non-woven fabrics.
The sheet of fiber of structure is hydrophily or hydrophobic judgement based on the contact angle of as described below < fiber
The contact angle that measuring method > measurement constitutes fiber is judged.Specifically, contact angle is then judged as if 90 ° or more
The lower hydrophobicity of water-wetness is judged as the higher hydrophily of water-wetness if contact angle is smaller than 90 °.
<measuring method of the contact angle of fiber>
The contact angle meter MCA-J that the measurement of contact angle is manufactured using such as consonance interface science Co., Ltd..It is specific and
Speech is connect using above-mentioned immediately by ion exchange water after constituting the surface of fiber of outer peripheral portion 43 and (about 20 picoliters) are added dropwise
Feeler meter is measured contact angle.Fiber near the internal perisporium 42e for constituting weld portion 42 constitutes recessed portion 41
Position more than at 5 of fiber near outer rim is measured, using their average value as contact angle.In addition, will measurement
Environment temperature is set as 20 DEG C.
As positive dough sheet 21, back sheet 22, absorber 23 and the leakage-proof turnup 24 etc. for constituting absorbent main body 2, Neng Gouwu
Especially limitation ground uses the absorbent commodities such as disposable diaper used a variety of materials etc. all the time.For example, as front
Piece 21 is able to use the non-woven fabrics of single or multi-layer structure, apertured film etc..The resin of penetrability is able to use as back sheet 22
Film etc..It is able to use as absorber 23 and coats the suction being made of the particle of absorbable polymer and fibrous material using cotton paper
Receive material made of core.In addition, being able to use the non-woven fabrics etc. of the single or multi-layer structure of water-repellancy as leakage-proof turnup 24.
As elastomeric element (leakage-proof turnup formed with elastomeric element 25, elastomeric element 71, leg elastic members 72 etc.),
Such as styrene-butadiene, butadiene, isoprene, neoprene can be enumerated etc. synthetic rubber, natural rubber, EVA,
Expandable polyolefin hydrocarbon, polyurethane etc..As elastomeric element form can it is preferable to use section be rectangle, square, circle,
The filiform (silk rubber etc.) of oval or multilateral shape etc. or the form etc. of band-like (rubber strip etc.).
As bonding agent 9, secure resilient member, (leakage-proof turnup, which is formed, uses elastomeric element 25, elastomeric element 71, leg bullet
Property component 72 etc.) the fixed bonding agent of elastomeric element and the main body of fixed exterior body 3 and absorbent main body 2 etc. fix with viscous
Agent is connect, it is viscous to can be used without special restrictions all the time used various hot melts in the absorbent commodities such as disposable diaper
Connect agent etc..
Function and effect when to the diaper 1 of an embodiment for using aforementioned present invention are illustrated.
In diaper 1, as shown in Fig. 2~Fig. 5, at least back side waist panel FB has hydrophobic skin lateral plate 4 and parent
Aqueous non-skin lateral plate 5, hydrophobic skin lateral plate 4 include to the recessed portion 41 of non-5 side of skin lateral plate recess and each recessed
Aperture 44 in concave portion 41.Also, for the recessed portion 41 of skin lateral plate 4 closer to aperture 44, thickness is smaller.That is, constituting fiber
Fiber between distance be formed as going to become narrow gradually to aperture 44.Therefore, the sweat enabled a wearer to is easy by dress in diaper 1
It guides from the part in addition to recessed portion 41 to recessed portion 41, also, since recessed portion 41 is closer to aperture 44, recessed portion 41
Thickness it is smaller, so, sweat be easy rapidly is moved from aperture 44 to hydrophilic non-skin lateral plate 5.It is moved to so hydrophilic
The sweat of wearer in the non-skin lateral plate 5 of property is just not easy to return again to hydrophobic skin lateral plate 4 or skin.As a result,
The sweat that non-skin is moved to respect to the wearer of the non-skin lateral plate 5 of surface side is not easy to contact with skin, therefore, can reduce wet
The skin problems such as rash, prickly heat, macula.
In addition, in diaper 1, as shown in Figure 2 and Figure 4, composition fiber in recessed portion 41 including skin lateral plate 4 that
Weld portion 42 made of this welding.In addition, weld portion 42 includes the composition fibers melt by skin lateral plate 4 and keeps this composition fine
Tie up the part of seamlessly welding each other.In diaper 1, aperture 44 is formed in such weld portion 42.Herein, weld portion
42 fibre density is formed as higher than the fibre density of the outer peripheral portion 43 of the aperture 44 in recessed portion 41, outer peripheral portion 43
Fibre density is formed as higher than the fibre density of the part in addition to recessed portion 41.The part of above-mentioned seamlessly welding is liquid
The part for the opaque liquid that body can not penetrate, but be also therefore stronger part opposite with the compatibility of water is worn in diaper 1
In, the sweat of wearer is easier to be directed to recessed portion 41 from the part in addition to recessed portion 41, also, sweat be easier from
The higher outer peripheral portion 43 of fibre density is fast moved by the aperture 44 of weld portion 42 to hydrophilic non-skin lateral plate 5.By
This, the sweat of user is easier to be moved to non-skin and therefore can be further reduced wet with respect to the non-skin lateral plate 5 of surface side
The skin problems such as rash, prickly heat, macula.In addition, the part membranization of above-mentioned seamlessly welding therefore can in diaper 1
Preferably play said effect.In addition, if the grammes per square metre of skin lateral plate 4 is 30g/m2Hereinafter, then can preferably play above-mentioned effect
Fruit.
In addition, in diaper 1, as shown in Fig. 2, the non-skin in non-skin lateral plate 5 has outside hydrophobic with respect to surface side
Synusia 6, from waist pars contractilis G1 to the region of waist lower part pars contractilis G2, multiple elastomeric elements 71 are connect by multiple respectively
Gap between the respective joint portion 8 conjunction portion column 8L, with the state configuration extended in transverse direction (Y-direction).Also, such as
Shown in Fig. 6, is shunk by the elastomeric element 71 configured with elongation state, generated between adjacent joint portion column 8L, 8L
The pleat 3F being made of skin lateral plate 4 and non-skin lateral plate 5 and outer-skin sheet 6, also, skin lateral plate 4 and non-skin lateral plate 5 with
Be formed with hollow portion 3H made of surrounding being surrounded as pleat 3F and pleat 3F between outer-skin sheet 6.Therefore, it is moved to non-skin lateral plate
The vapo(u)rability of the sweat of 5 wearer improves, and can be further reduced the skin problems such as eczema, prickly heat, macula.
It is be easily moved from the sweat enabled a wearer to is preferably played to the effect viewpoint of non-skin lateral plate 5, recessed portion 41
In composition skin lateral plate 4 composition fiber fiber between distance be preferably that 44 side of aperture is smaller than the outside of the aperture 44.If in detail
Thin narration, then distance is preferably peripheral part between the fiber of the fiber of the thin region 43ST in composition aperture side in outer peripheral portion 43
Between the fiber of fiber near the outer rim of composition recessed portion 41 in points 43 distance 4/5 hereinafter, be preferably in turn 2/5 with
Under.
It constitutes distance between the fiber of the fiber of the thin region 43ST in aperture side of outer peripheral portion 43 and constitutes the outer of recessed portion 41
Distance is measured by following methods between the fiber of fiber near edge.For distance between the fiber measured by following methods,
Its value is smaller, it is meant that higher with the compatibility of water.
<measuring method of distance between fiber>
In the part of each measurement, grammes per square metre, thickness and fiber denier are measured, fiber is calculated by the formula of [mathematical expression 1]
Between distance.To being measured with a piece of different piece, the grammes per square metre and fiber denier of piece are unchanged, only thick
Degree variation.Thickness measures in the following manner.The measurement of the thickness of piece is as follows: in a manner of comprising determination part, using knife, cutting
Machine, razor etc. are cut in a manner of not making section be crushed in thickness direction, micro- sem observation cutting section, to determination part
Thickness be measured.Thickness measurement is measured at different 10, calculates their thickness of the average value as determination part
Degree.
Further, from the viewpoint of preferably playing said effect, the skin lateral plate 4 and ion exchange of recessed portion 41
The contact angle of water is preferably that 44 side of aperture is smaller than the outside of the aperture 44.In other words, the skin lateral plate 4 of recessed portion 41 and water
Compatibility is preferably that 44 side of aperture is bigger than the outside of the aperture 44.If narration in detail, constitutes the aperture 44 in outer peripheral portion 43
The skin lateral plate of side (the thin region 43ST in aperture side) and the contact angle of ion exchange water are preferably 120 ° hereinafter, being preferably in turn
110 ° or less.The lower limit of the contact angle of the skin lateral plate of this composition is not particularly limited, but because skin lateral plate is hydrophobicity,
So lower limit is 90 °.
In addition, constitute aperture 44 outside (near the outer rim of the recessed portion 41 in outer peripheral portion 43) skin lateral plate with
The contact angle of ion exchange water is preferably 120 ° or more, and then preferably 130 ° or more.If the skin lateral plate of this composition connects
The upper limit of feeler is 180 °, then can obtain the effect of enough satisfaction.
Further, the contact angle of the skin lateral plate of 44 side of aperture (the thin region 43ST in aperture side) and ion exchange water with open
The difference of the contact angle in the outside (near the outer rim of the recessed portion 41 in outer peripheral portion 43) and ion exchange water in hole 44 preferably compared with
Greatly.If narration in detail, the difference of the contact angle is preferably 10 ° or more, and then preferably 20 ° or more.
The skin lateral plate for constituting the thin region 43ST in aperture side in outer peripheral portion 43 or the composition in outer peripheral portion 43 are recessed
The contact angle of skin lateral plate and ion exchange water near the outer rim of concave portion 41 is measured by following methods.Just pass through following sides
For the contact angle of method measurement, it is worth smaller, it is meant that higher with the compatibility of water.
<measuring method of the contact angle of piece>
Moderate multiplying factor zoom lens was fallen state in 90 ° in the microscope VHX-1000 of KEYENCE Co., Ltd. manufacture
Using measuring.Test sample uses the piece for being cut into the size of the direction the MD direction 150mm × CD 70mm.Determination of the environment
For 20 DEG C/50%RH, test sample is set as the state of measurement upwardly, with the side from capable of carrying out from the direction CD of piece
Formula is set to measurement platform.Then, 3 μ L ion exchange waters are attached to be set to the test sample of measurement platform and need to measure
Part (near the outer rim of the hole region the Ce Bao 43ST in outer peripheral portion 43 and the recessed portion 41 in outer peripheral portion 43), acquisition
Image.The contact angle for clearly observing result to the focus of the both ends or one end of the water droplet of on piece at 10 respectively measures,
Using their average value as " contact angle ".
It reduces the amount of the sweat contacted with skin from a large amount of sweat of absorption and preferably plays sweat and do not returned from non-skin lateral plate
It is back to from the perspective of the effect of skin, about non-skin lateral plate 5, grammes per square metre is preferably 10g/m2More than, and then preferably
20g/m2More than, also, preferably 50g/m2Hereinafter, being in turn preferably 30g/m2Hereinafter, specifically, it is preferable that being 10g/m2With
Upper 50g/m2Hereinafter, being in turn preferably 20g/m2The above 30g/m2Below.
From the same viewpoint, about non-skin lateral plate 5, thickness is in the part in addition to recessed portion 41, preferably
100 μm or more, and then preferably 150 μm or more, also, preferably 800 μm hereinafter, be preferably 500 μm hereinafter, specific in turn
For, preferably 100 μm or more 800 μm hereinafter, be preferably 150 μm or more 500 μm or less in turn.With regard to non-skin lateral plate 5
For the measurement of thickness, measured in the state of applying the load of 0.05kPa to non-skin lateral plate 5 using thickness tester.It is thick
The laser displacement gauge that degree analyzer is manufactured using OMRON company.Thickness measurement measures at 10, and the average value for calculating them is made
For thickness.
The sweat for just preferably playing wearer is easy to from the perspective of the mobile effect of non-skin lateral plate 5, non-skin side
5 preferred hydrophilic fiber of piece is preferably 80 mass % or more relative to its blending rate for constituting fiber entirety, and then preferably 90
Quality %, lower limit are 70 mass %.
In addition, be easy to from the viewpoint of the sweat for preferably playing wearer to the mobile effect of non-skin lateral plate 5, it is non-
Skin lateral plate 5 was preferably 20mm at 60 seconds according to Ke Liemu (KLEMM) suction head of the 30mm width measured of JIS P 8141
More than, and then be preferably 25mm or more at 60 seconds.The upper limit of the Ke Liemu suction head of non-skin lateral plate 5 is not particularly limited,
The effect of enough satisfaction can be obtained if being 30mm at 60 seconds.
The Ke Liemu suction head of non-skin lateral plate 5 is measured by following methods.
<measuring method of Ke Liemu suction head>
When taking out non-skin lateral plate 5 from the exterior body of Breeches type disposable diaper, in skin lateral plate 4, non-skin lateral plate 5
It is heating-fusion bonded with outer-skin sheet 6 or in the case that bonding agent is fixed, the part of the fixation is produced using solvent or by drier etc.
Raw hot wind melt etc. and remove it, and takes out non-skin lateral plate 5.It regard the non-skin lateral plate 5 of taking-up as sample, presses
Ke Liemu suction head is measured according to the test method of JIS P 8141.Specifically, the non-skin lateral plate 5 of taking-up is cut into
Width (length of the longitudinal direction (X-direction) of diaper 1) 30mm, length (length of the transverse direction (Y-direction) of diaper 1) 150mm.It is cutting
When cutting, cutting machine etc. is possible to be likely to have an impact result by the cutting-off method that sample flattens thus not preferred.Cause
This, when cutting, is cut in a manner of not making the section of sample be crushed using knife, cutting machine, razor etc..Then, JIS is used
Fixture specified in P 8141 fixes the sample after cutting, and experimental liquid uses water, and the Ke Liemu after measurement 60 seconds absorbs water high
Degree.In order to make suction be highly susceptible to differentiate, can also the blue dyestuffs such as No. 1 or methylene blue adequate colouration is carried out to experimental liquid.
Above measurement is carried out 5 times, its average value is set as to the Ke Liemu suction head of non-skin lateral plate 5.Wherein, determination of the environment
Temperature is set as 22 DEG C.
In addition, be easy to from the viewpoint of preferably playing the sweat enabled a wearer to the mobile effect of non-skin lateral plate 5,
The saturated water adsorptive value of the ion exchange water of non-skin lateral plate 5 is preferably 75g/m2More than, and then preferably 100g/m2More than.Non- flesh
The upper limit of the saturated water adsorptive value of skin lateral plate 5 is not particularly limited, if 300g/m2The effect of enough satisfaction can then be obtained.
The saturated water adsorptive value of non-skin lateral plate 5 is measured by following methods.
<measuring method of saturated water adsorptive value>
Non- skin lateral plate is cut to width 50mm, length 50mm, production measurement sample.Measurement sample is impregnated in temperature
Degree is adjusted into 25 DEG C of ion exchange water.After five minutes, sample is taken out from ion exchange water, with vertical since dipping
State hangs 30 seconds to drain away the water.The quality of sample after measurement water suction calculates inhale as the saturation of target according to the following formula
Water.With saturated water adsorptive value (g/m2The quality (G) of sample before quality (the G)-water suction of sample after)=(water suction)/(survey
Determine Area of Sample 0.05m × 0.05m) it is calculated.Above measurement is carried out 5 times, using its average value as non-skin lateral plate
Saturated water adsorptive value.
More than, based on embodiment preferred for this invention, the present invention is described, but the present invention is not limited to above-mentioned
Embodiment can be changed suitably.
For example, about above-mentioned diaper 1, constitute the skin lateral plate 4 of exterior body 3 as shown in Fig. 2, by a piece of outer-skin sheet 6 folding
Part 6R is returned to be formed but it is also possible to be hydrophobic (non-woven fabrics) seperated with outer-skin sheet 6.In the flesh for configuring such fission
In the case where skin lateral plate 4, the only at least back side waist panel FB configuration in veutro waist panel FA and back side waist panel FB
Seperated skin lateral plate 4.
In addition, in diaper 1, as shown in figure 4, hydrophilic non-skin side possessed by least back side waist panel FB
Piece 5 is a piece of but it is also possible to be multi-disc.In this way hydrophilic non-skin lateral plate 5 be multi-disc in the case where, preferably further away from
The skin of wearer, hydrophily are stronger.That is, it is preferred that compared with the non-skin lateral plate adjacent to skin lateral plate 4, with from skin
Lateral plate 4 is separate, hydrophilic fibre relative to the blending rate of above-mentioned composition fiber entirety, the grammes per square metre of above-mentioned non-skin lateral plate, on
State Ke Liemu suction head and above-mentioned saturated water adsorptive value at least any one than the non-skin lateral plate adjacent to skin lateral plate 4
Value it is big.Additionally, it is preferred that compared with the non-skin lateral plate adjacent to skin lateral plate 4, as far from skin lateral plate 4, composition is non-
Between the fiber of the fiber of skin lateral plate distance and constitute non-skin lateral plate fiber and ion exchange water contact angle at least
Any one is smaller than the value of the non-skin lateral plate adjacent to skin lateral plate 4.Constitute the fiber and ion exchange water of non-skin lateral plate
Contact angle pass through the above method measure.It is surveyed in addition, constituting distance between the fiber of the fiber of non-skin lateral plate and passing through following methods
It is fixed.
<measuring method of distance between fiber>
It can be found out using following formula (1).
[mathematical expression 1]
In formula, L indicates that the thickness (cm) of piece (skin lateral plate 4, non-skin lateral plate 5 or outer-skin sheet 6), w indicate gram of the piece
Weight (g/m2), Di indicates to constitute the fiber denier of the composition fiber i of the piece, and α i indicates the weight ratio of this composition fiber i
(%).
In addition, in the exterior body 3 of diaper 1, as shown in Fig. 2, outer-skin sheet 6 and non-skin lateral plate 5 pass through hot melt using multiple
The engagement of joint portion 8 made of connecing is fixed, and skin lateral plate 4 and non-skin lateral plate 5 are fixed via bonding agent 9, and however, you can also not configure
Bonding agent 9.In addition, in the exterior body 3 of diaper 1, as shown in Fig. 2, being configured between outer-skin sheet 6 and non-skin lateral plate 5 flexible
Component 71, however, you can also not configure elastomeric element 71.
In addition, in above-mentioned disposable diaper 1, as shown in Fig. 2, being exterior body 3 throughout ventral region A, crotch region C
With the Breeches type disposable diaper of the hour-glass in shape equal continuous shape of back side region B but it is also possible to be by 3 conduct of exterior body
Component respectively is divided into the Breeches type disposable diaper of the Splittable of veutro exterior body, back side exterior body and crotch exterior body.
In addition, in above-mentioned disposable diaper 1, as shown in Figure 1, be the Breeches type disposable diaper with exterior body 3,
It may also be the disposable diaper of deploying type.In the back sheet of positive dough sheet, difficult liquid permeability with liquid permeability and in these pieces
Between absorber deploying type disposable diaper in the case where, which is equivalent to non-skin lateral plate 5.Also, with
The rear ends of longitudinal X of the absorber compare the veutro waist panel FA and back side for being located at outside and extending in the lateral direction y
At least back side waist panel FB in waist panel FB can configure the seperated hydrophobic skin side to form skin abutment face
Piece 4.
About above embodiment, disposable diaper below is further disclosed.
<1>
Disposable diaper, includes ventral region and back side region and positioned at the crotch region between them in the longitudinal direction,
It steps up and states ventral region and above-mentioned back side region with absorber, and have with longitudinal rear ends of the absorber respectively
Compared to the veutro waist panel and back side waist panel for being located at outside and horizontally extending, wherein at least the above back side waist
Fin has the hydrophobic skin lateral plate for forming skin abutment face and positioned at the opposite surface side of non-skin of the skin lateral plate
Hydrophilic non-skin lateral plate, above-mentioned skin lateral plate include to multiple recessed portions of above-mentioned non-skin lateral plate side recess and each
The aperture of the skin lateral plate is penetrated through in the recessed portion, the above-mentioned recessed portion of above-mentioned skin lateral plate is closer to above-mentioned aperture, the recess
The thickness in portion is smaller.
<2>
Disposable diaper as described in above-mentioned<1>, wherein the diameter of the above-mentioned aperture of above-mentioned skin lateral plate be 0.5mm with
Upper 3mm or less.
<3>
Disposable diaper as described in above-mentioned<1>or<2>, wherein the peripheral part of the above-mentioned aperture of above-mentioned skin lateral plate
With a thickness of the 1/10 or less of the diameter of the aperture.
<4>
Disposable diaper as described in any one of above-mentioned<1>to<3>, wherein the above-mentioned aperture shape of above-mentioned skin lateral plate
At in the thin region of above-mentioned recessed portion, the thin region of the recessed portion with a thickness of removing above-mentioned recessed portion in above-mentioned skin lateral plate
70% or less the thickness of part in addition.
<5>
Disposable diaper as described in above-mentioned<4>, wherein the above-mentioned thin region of above-mentioned recessed portion is annular shape, diameter
It is 1.5 times or more of the diameter of above-mentioned aperture.
<6>
Disposable diaper as described in any one of above-mentioned<1>to<5>, wherein above-mentioned skin lateral plate is included in each above-mentioned
Weld portion made of the composition fiber of the skin lateral plate is fused to each other in recessed portion, above-mentioned weld portion includes above-mentioned skin lateral plate
Composition fibers melt and make the part of this composition fiber seamlessly welding each other, above-mentioned aperture is formed in above-mentioned weld portion
It is interior.
<7>
Disposable diaper as described in any one of above-mentioned<1>to<6>, wherein the above-mentioned skin side in above-mentioned recessed portion
The compatibility of piece and water is bigger than the outside of the aperture in above-mentioned aperture side.
<8>
Disposable diaper as described in any one of above-mentioned<1>to<7>, wherein above-mentioned disposable diaper is in above-mentioned non-flesh
The non-skin of skin lateral plate has hydrophobic outer-skin sheet and multiple elastomeric elements with respect to surface side, and multiple elastomeric element is non-at this
It is configured and with the state extended in the transverse direction of above-mentioned disposable diaper in the disposable urine between skin lateral plate and the outer-skin sheet
It is configured at intervals on the longitudinal direction of cloth, above-mentioned elastomeric element adjacent in the longitudinal direction is configured with above-mentioned skin lateral plate each other
Above-mentioned aperture.
<9>
Disposable diaper as described in any one of above-mentioned<1>to<8>, wherein above-mentioned skin lateral plate is included in each above-mentioned
Weld portion made of the composition fiber of the skin lateral plate is fused to each other in recessed portion, above-mentioned skin lateral plate and above-mentioned non-skin side
Piece is bonded via bonding agent, and the position configured with above-mentioned bonding agent is Chong Die with the above-mentioned weld portion of above-mentioned skin lateral plate.
<10>
Disposable diaper as described in any one of above-mentioned<1>to<9>, wherein above-mentioned skin lateral plate is included in each above-mentioned
Weld portion made of the composition fiber of the skin lateral plate is fused to each other in recessed portion, the part membranization of the welding of the weld portion.
<11>
Disposable diaper as described in any one of above-mentioned<1>to<10>, wherein above-mentioned disposable diaper is above-mentioned non-
The non-skin of skin lateral plate with respect to surface side have hydrophobic outer-skin sheet, above-mentioned skin lateral plate by above-mentioned outer-skin sheet folded-back part
Divide and is formed.
<12>
Disposable diaper as described in any one of above-mentioned<1>to<11>, wherein above-mentioned skin lateral plate includes on each
State skin lateral plate recessed portion Nei composition fiber be fused to each other made of weld portion, (inside is configured with aperture for above-mentioned aperture
Weld portion) it is configured at intervals in the whole region of above-mentioned skin lateral plate.
<13>
Disposable diaper as described in any one of above-mentioned<1>to<12>, wherein above-mentioned skin lateral plate includes on each
State skin lateral plate recessed portion Nei composition fiber be fused to each other made of weld portion, the weld portion have above-mentioned aperture, and with
The mode for becoming a column along longitudinal direction configures at intervals, between the weld portion column being made of multiple weld portion horizontally separate
Every configured with multiple row.
<14>
Disposable diaper as described in above-mentioned<13>, wherein be formed in longitudinally extending above-mentioned weld portion column,
Longitudinally adjacent above-mentioned weld portion is mutual to be preferably spaced 1mm or more, more preferably 3mm or more, also, preferably
20mm is hereinafter, more preferably 18mm or less.
<15>
Disposable diaper as described in above-mentioned<13>or<14>, wherein horizontally adjacent above-mentioned weld portion arranges each other
Be preferably spaced 4mm or more, more preferably 6mm or more, also, preferably 20mm is hereinafter, more preferably 16mm or less.
<16>
Disposable diaper as described in any one of above-mentioned<1>to<15>, wherein above-mentioned skin lateral plate includes on each
State skin lateral plate recessed portion Nei composition fiber be fused to each other made of weld portion, by the recessed of the internal perisporium of the weld portion
When the depth of concave portion 41 is set as d3,0.50 times of above-mentioned depth d3 is separated outward from the above-mentioned internal perisporium of the weld portion
The thickness of position be preferably be part in addition to the recessed portion thickness d 2 20% or more 75% hereinafter, being preferably in turn
30% or more 65% or less.
<17>
Disposable diaper as described in any one of above-mentioned<1>to<16>, wherein above-mentioned skin lateral plate includes on each
State skin lateral plate recessed portion Nei composition fiber be fused to each other made of weld portion, from the internal perisporium of the weld portion outward
The thickness that side separates 1.5 times of the position of above-mentioned depth d3 is preferably the thickness d 2 for being part in addition to the recessed portion 41
55% or more 95% hereinafter, be preferably 70% or more 90% or less in turn.
<18>
Disposable diaper as described in any one of above-mentioned<1>to<17>, wherein above-mentioned skin lateral plate includes on each
State skin lateral plate recessed portion Nei composition fiber be fused to each other made of weld portion, the above-mentioned weld portion of the skin lateral plate is excellent
The thickness d 5 for selecting the internal perisporium of the weld portion is 60 μm hereinafter, being in turn preferably 45 μm hereinafter, lower limit is 10 μm.
<19>
Disposable diaper as described in any one of above-mentioned<1>to<18>, wherein the above-mentioned aperture of above-mentioned skin lateral plate
Diameter L1 be preferably 0.5mm or more, and then preferably 1mm or more, also, preferably 3mm hereinafter, be preferably 2.5mm in turn
Hereinafter, specifically, it is preferable that being 0.5mm or more 3mm hereinafter, being in turn preferably 1mm or more 2.5mm or less.
<20>
Disposable diaper as described in any one of above-mentioned<1>to<19>, wherein above-mentioned skin lateral plate includes on each
State skin lateral plate recessed portion Nei composition fiber be fused to each other made of weld portion, the thickness d 5 of the internal perisporium of the weld portion
The 1/10 of the diameter L1 of preferably above-mentioned aperture hereinafter, be preferably 1/30 hereinafter, lower limit is 1/50 in turn.
<21>
Disposable diaper as described in any one of above-mentioned<1>to<20>, wherein the above-mentioned aperture of above-mentioned skin lateral plate
It is preferred that the perforated area of the aperture is 0.5mm2More than, and then preferably 0.75mm2More than, preferably 5mm2Hereinafter, into
And preferably 4mm2Below.
<22>
Disposable diaper as described in any one of above-mentioned<1>to<21>, wherein whole above-mentioned perforated areas is opposite
In the ratio of the entire area of above-mentioned skin lateral plate be preferably 1% or more, more preferably 3% or more, preferably 15% hereinafter,
More preferably 10% or less.
<23>
Disposable diaper as described in any one of above-mentioned<1>to<22>, wherein the above-mentioned aperture of above-mentioned skin lateral plate
Be preferably formed in it is in the outer peripheral portion of above-mentioned recessed portion, with a thickness of the portion in above-mentioned skin lateral plate in addition to above-mentioned recessed portion
Point thickness d 2 70% thin region below in, further, so be preferably formed in it is in above-mentioned thin region, with a thickness of thickness
It spends in the 40% thin region in aperture side below of d2.
<24>
Disposable diaper as described in any one of above-mentioned<1>to<23>, wherein removing in above-mentioned skin lateral plate is above-mentioned
The thickness d 2 of part other than recessed portion be preferably 600 μm hereinafter, more preferably 350 μm hereinafter, lower limit be 100 μm.
<25>
Disposable diaper as described in any one of above-mentioned<1>to<24>, wherein the above-mentioned aperture in above-mentioned recessed portion
Outer peripheral portion thin region and above-mentioned outer peripheral portion be identically formed as annular shape.
<26>
Disposable diaper as described in any one of above-mentioned<1>to<25>, wherein the thin region of above-mentioned recessed portion is preferred
Its diameter L2 is 1.5 times or more of the diameter L1 of above-mentioned aperture, and then preferably 2 times or more, the upper limit are 3 times.
<27>
Disposable diaper as described in any one of above-mentioned<1>to<26>, wherein the grammes per square metre of above-mentioned skin lateral plate is
30g/m2Hereinafter, preferably 20g/m2Hereinafter, preferably 9g/m2More than, and then preferably 10g/m2More than.
<28>
Disposable diaper as described in any one of above-mentioned<1>to<27>, wherein above-mentioned back side waist panel and above-mentioned
Veutro waist panel engages fixed shape at multiple joint portions 8 to spread shape configuration with outer-skin sheet 6 by non-skin lateral plate 5
At.
<29>
Disposable diaper as described in any one of above-mentioned<1>to<28>, wherein in the non-flesh of above-mentioned non-skin lateral plate
Skin has hydrophobic outer-skin sheet with respect to surface side, from the respective waist pars contractilis in above-mentioned ventral region and above-mentioned back side region
To the region of waist lower part pars contractilis, the joint portion of above-mentioned non-skin lateral plate and above-mentioned outer-skin sheet to become a column along longitudinal direction
Mode configures at intervals, and the joint portion column being made of multiple joint portion are horizontally configured with to interval more
Column.
<30>
Disposable diaper as described in above-mentioned<29>, wherein be formed in longitudinally extending above-mentioned joint portion column,
Longitudinally adjacent above-mentioned joint portion is mutual to be preferably spaced 1mm or more, more preferably 3mm or more, also, preferably
20mm is hereinafter, more preferably 18mm or less.
<31>
Disposable diaper as described in above-mentioned<29>or<30>, wherein horizontally adjacent above-mentioned joint portion arranges each other
Be preferably spaced 4mm or more, more preferably 6mm or more, also, preferably 20mm is hereinafter, more preferably 16mm or less.
<32>
Disposable diaper as described in any one of above-mentioned<1>to<31>, wherein above-mentioned disposable diaper is above-mentioned non-
The non-skin of skin lateral plate includes hydrophobic outer-skin sheet and multiple elastomeric elements with respect to surface side, and multiple elastomeric element is at this
It is with the state configuration that is extended in the transverse direction of above-mentioned disposable diaper and disposable at this between non-skin lateral plate and the outer-skin sheet
It is configured at intervals on the longitudinal direction of diaper, above-mentioned skin lateral plate has weld portion in each above-mentioned recessed portion, preferably in longitudinal direction
Upper adjacent above-mentioned elastomeric element is configured with above-mentioned weld portion each other, and is preferable configured with the above-mentioned of above-mentioned skin lateral plate
Aperture.
<33>
Disposable diaper as described in any one of above-mentioned<1>to<32>, wherein above-mentioned disposable diaper is above-mentioned non-
The non-skin of skin lateral plate includes hydrophobic outer-skin sheet and multiple elastomeric elements with respect to surface side, and multiple elastomeric element is at this
It is with the state configuration that is extended in the transverse direction of above-mentioned disposable diaper and disposable at this between non-skin lateral plate and the outer-skin sheet
It being configured at intervals on the longitudinal direction of diaper, above-mentioned skin lateral plate has weld portion in each above-mentioned recessed portion,
It is preferred that when the pleated portions that are formed to the elastic components contract carry out section observation, to above-mentioned skin lateral plate
The position of the half of the depth d4 of the recess portion of non-skin side recess, which is risen, is configured with above-mentioned welding in projection (skin is with respect to surface side)
Whole 60% or more in portion, is preferably configured with 75% or more, the upper limit is preferably 100%.
<34>
Disposable diaper as described in any one of above-mentioned<1>to<33>, wherein the composition in above-mentioned recessed portion is above-mentioned
Distance is preferably smaller than the outside of the aperture in above-mentioned aperture side between the fiber of the composition fiber of skin lateral plate.
<35>
Disposable diaper as described in any one of above-mentioned<1>to<34>, wherein constitute the outer peripheral portion of above-mentioned aperture
It is in 70% thin region below of thickness d 2 interior, with a thickness of the part in addition to above-mentioned recessed portion, with a thickness of thickness d 2
The 40% thin region in aperture side below fiber fiber between distance be preferably the above-mentioned recess of composition in above-mentioned outer peripheral portion
The 4/5 of distance hereinafter, be preferably 2/5 or less in turn between the fiber of fiber near the outer rim in portion.
<36>
Disposable diaper as described in any one of above-mentioned<1>to<35>, wherein constitute the outer peripheral portion of above-mentioned aperture
It is in the thin region of 70% thickness below of thickness d 2 interior, with a thickness of the part in addition to above-mentioned recessed portion, with a thickness of
The above-mentioned skin lateral plate in the thin region in aperture side below of the 40% of thickness d 2 and the contact angle of ion exchange water be preferably 120 ° with
Under, and then preferably 110 ° or less.
<37>
Disposable diaper as described in any one of above-mentioned<1>to<36>, wherein in the outer peripheral portion of above-mentioned aperture
The contact angle for constituting above-mentioned skin lateral plate and ion exchange water near the outer rim of above-mentioned recessed portion is preferably 120 ° or more, into
And preferably 130 ° or more.
<38>
Disposable diaper as described in any one of above-mentioned<1>to<37>, wherein above-mentioned skin lateral plate has on each
State skin lateral plate recessed portion Nei composition fiber be fused to each other made of weld portion, the weld portion nearby and ion exchange water
Contact angle and the above-mentioned recessed portion of the outer peripheral portion of above-mentioned aperture outer rim nearby and the contact angle of ion exchange water it is poor excellent
Select larger, the difference of the contact angle is preferably 10 ° or more, and then preferably 20 ° or more.
<39>
Disposable diaper as described in any one of above-mentioned<1>to<38>, wherein the grammes per square metre of above-mentioned non-skin lateral plate is excellent
It is selected as 10g/m2More than, and then preferably 20g/m2More than, also, preferably 50g/m2Hereinafter, being in turn preferably 30g/m2With
Under.
<40>
Disposable diaper as described in any one of above-mentioned<1>to<39>, wherein the thickness of above-mentioned non-skin lateral plate exists
Part in addition to above-mentioned recessed portion is preferably 100 μm or more, and then preferably 150 μm or more, also, preferably 800 μm with
Under, and then preferably 500 μm or less.
<41>
Disposable diaper as described in any one of above-mentioned<1>to<40>, wherein above-mentioned non-skin lateral plate is preferably hydrophilic
Property fiber relative to its blending rate for constituting fiber entirety be 80 mass % or more, and then preferably 90 mass % or more, lower limit
Preferably 70 mass %.
<42>
Disposable diaper as described in any one of above-mentioned<1>to<41>, wherein above-mentioned non-skin lateral plate is according to JIS P
The Ke Liemu suction head of the 30mm width of 8141 measurements was preferably 20mm or more at 60 seconds, and then was preferably 25mm at 60 seconds
More than.
<43>
Disposable diaper as described in any one of above-mentioned<1>to<42>, wherein the ion of above-mentioned non-skin lateral plate is handed over
The saturated water adsorptive value for changing water is preferably 75g/m2More than, and then preferably 100g/m2More than.
Industrial utilizability
In accordance with the invention it is possible to keep the sweat absorbed quickly mobile to non-skin opposite face side, eczema, prickly heat, macula are reduced
Equal skin problems.
Claims (44)
- It in the longitudinal direction include ventral region and back side region and positioned at the crotch region between them 1. a kind of disposable diaper, There is absorber across the ventral region and the back side region, and have and the respective phase of longitudinal rear ends of the absorber Than being located at outside and horizontally the veutro waist panel and back side waist panel that extend, the disposable diaper are characterized in that:At least described back side waist panel has the hydrophobic skin lateral plate for forming skin abutment face and is located at the skin lateral plate Non- skin with respect to surface side hydrophilic non-skin lateral plate,The skin lateral plate includes the multiple recessed portions being recessed to the non-skin lateral plate side and perforation should in the respectively recessed portion The aperture of skin lateral plate,For the recessed portion of the skin lateral plate closer to the aperture, the thickness of the recessed portion is smaller.
- 2. disposable diaper as described in claim 1, it is characterised in that:The diameter of the aperture of the skin lateral plate is 0.5mm or more 3mm or less.
- 3. disposable diaper as claimed in claim 1 or 2, it is characterised in that:1/10 or less the diameter with a thickness of the aperture of the peripheral part of the aperture of the skin lateral plate.
- 4. disposable diaper as claimed in claim 1 or 2, it is characterised in that:The aperture of the skin lateral plate is formed in the thin region of the recessed portion, the thin region of the recessed portion with a thickness of 70% or less the thickness of the part in addition to the recessed portion in the skin lateral plate.
- 5. disposable diaper as claimed in claim 4, it is characterised in that:The thin region of the recessed portion is circular, and 1.5 times or more of the diameter of a diameter of aperture.
- 6. disposable diaper as claimed in claim 1 or 2, it is characterised in that:The skin lateral plate includes weld portion made of the composition fiber of the skin lateral plate in each recessed portion is fused to each other, The weld portion includes the composition fibers melt of the skin lateral plate and the part of this composition fiber seamlessly welding each other, institute Aperture is stated to be formed in the weld portion.
- 7. disposable diaper as claimed in claim 1 or 2, it is characterised in that:The compatibility of the skin lateral plate and water in the recessed portion is bigger than the outside of the aperture in the side of the aperture.
- 8. disposable diaper as claimed in claim 1 or 2, it is characterised in that:The disposable diaper has hydrophobic outer-skin sheet and multiple bullets with respect to surface side in the non-skin of the non-skin lateral plate Property component, multiple elastomeric element is between the non-skin lateral plate and the outer-skin sheet to stretch in the transverse direction of the disposable diaper Long state configuration and configured at intervals on the longitudinal direction of the disposable diaper, the elastomeric element adjacent in the longitudinal direction that The aperture of the skin lateral plate is configured between this.
- 9. disposable diaper as claimed in claim 1 or 2, it is characterised in that:The skin lateral plate includes weld portion made of the composition fiber of the skin lateral plate in each recessed portion is fused to each other, The skin lateral plate and the non-skin lateral plate are be bonded via bonding agent, the position configured with the bonding agent and the skin side The weld portion of piece is overlapped.
- 10. disposable diaper as claimed in claim 1 or 2, it is characterised in that:The skin lateral plate includes weld portion made of the composition fiber of the skin lateral plate in each recessed portion is fused to each other, The part membranization of the welding of the weld portion.
- 11. disposable diaper as claimed in claim 1 or 2, it is characterised in that:The disposable diaper has hydrophobic outer-skin sheet, the skin with respect to surface side in the non-skin of the non-skin lateral plate Lateral plate is formed by the fold back portion of the outer-skin sheet.
- 12. disposable diaper as claimed in claim 1 or 2, it is characterised in that:The skin lateral plate includes weld portion made of the composition fiber of the skin lateral plate in each recessed portion is fused to each other, The aperture configures the whole region in the skin lateral plate at intervals.
- 13. disposable diaper as claimed in claim 1 or 2, it is characterised in that:The skin lateral plate includes weld portion made of the composition fiber of the skin lateral plate in each recessed portion is fused to each other, The weld portion has the aperture, and is configured at intervals in a manner of becoming a column along longitudinal direction, is made of multiple weld portions Weld portion column horizontally interval be configured with multiple row.
- 14. disposable diaper as claimed in claim 13, it is characterised in that:It is formed in that the longitudinally extending weld portion arranges, adjacent in the longitudinal direction the weld portion mutual and is divided into 1mm The above 20mm or less.
- 15. disposable diaper as claimed in claim 13, it is characterised in that:Horizontally the adjacent weld portion arranges mutual and is divided into 4mm or more 20mm or less.
- 16. disposable diaper as claimed in claim 1 or 2, it is characterised in that:The skin lateral plate includes weld portion made of the composition fiber of the skin lateral plate in each recessed portion is fused to each other, When the depth of the recessed portion of the internal perisporium of the weld portion is set as d3, separated outward from the internal perisporium of the weld portion 20% or more 75% of the thickness d 2 with a thickness of the part in addition to the recessed portion of 0.50 times of the position of the depth d3 with Under.
- 17. disposable diaper as claimed in claim 1 or 2, it is characterised in that:The skin lateral plate includes weld portion made of the composition fiber of the skin lateral plate in each recessed portion is fused to each other, When the depth of the recessed portion of the internal perisporium of the weld portion is set as d3, separated outward from the internal perisporium of the weld portion described 55% or more 95% or less the thickness d 2 with a thickness of the part in addition to the recessed portion of 1.5 times of the position of depth d3.
- 18. disposable diaper as claimed in claim 1 or 2, it is characterised in that:The skin lateral plate includes weld portion made of the composition fiber of the skin lateral plate in each recessed portion is fused to each other, In the weld portion of the skin lateral plate, the thickness d 5 of the internal perisporium of the weld portion is 60 μm hereinafter, lower limit is 10 μm.
- 19. disposable diaper as claimed in claim 1 or 2, it is characterised in that:The diameter L1 of the aperture of the skin lateral plate is 0.5mm or more 3mm or less.
- 20. disposable diaper as claimed in claim 1 or 2, it is characterised in that:The skin lateral plate includes weld portion made of the composition fiber of the skin lateral plate in each recessed portion is fused to each other, The thickness d 5 of the internal perisporium of the weld portion is the diameter L1 of the aperture 1/10 hereinafter, lower limit is 1/50.
- 21. disposable diaper as claimed in claim 1 or 2, it is characterised in that:In the aperture of the skin lateral plate, the perforated area of the aperture is 0.5mm2The above 5mm2Below.
- 22. disposable diaper as claimed in claim 21, it is characterised in that:Whole perforated areas is 1% or more 15% or less relative to the ratio of the entire area of the skin lateral plate.
- 23. disposable diaper as claimed in claim 1 or 2, it is characterised in that:The aperture of the skin lateral plate be formed in it is in the outer peripheral portion of the recessed portion, with a thickness of in the skin lateral plate In the thin region below of the 70% of the thickness d 2 of part in addition to the recessed portion.
- 24. disposable diaper as claimed in claim 23, it is characterised in that:The aperture of the skin lateral plate is formed in 40% aperture side below in the thin region, with a thickness of thickness d 2 In thin region.
- 25. disposable diaper as claimed in claim 1 or 2, it is characterised in that:The thickness d 2 of the part in addition to the recessed portion in the skin lateral plate is 600 μm hereinafter, lower limit is 100 μm.
- 26. disposable diaper as claimed in claim 1 or 2, it is characterised in that:The thin region of the outer peripheral portion of the aperture in the recessed portion and the outer peripheral portion are identically formed as annular shape.
- 27. disposable diaper as claimed in claim 1 or 2, it is characterised in that:The diameter L2 in the thin region of the recessed portion is 1.5 times or more of the diameter L1 of the aperture, and the upper limit is 3 times.
- 28. disposable diaper as claimed in claim 1 or 2, it is characterised in that:The grammes per square metre of the skin lateral plate is 30g/m2Following 9g/m2More than.
- 29. disposable diaper as claimed in claim 1 or 2, it is characterised in that:The back side waist panel and the veutro waist panel are by non-skin lateral plate and outer-skin sheet to spread shape configuration Multiple joint portion engagements are fixed and formed.
- 30. disposable diaper as claimed in claim 29, it is characterised in that:There is hydrophobic outer-skin sheet with respect to surface side in the non-skin of the non-skin lateral plate, from the ventral region and described The respective waist pars contractilis in back side region to the region of waist lower part pars contractilis, the non-skin lateral plate connects with the outer-skin sheet Conjunction portion is configured at intervals in a manner of becoming a column along longitudinal direction, the joint portion that is made of multiple joint portion column horizontally every It opens at intervals configured with multiple row.
- 31. disposable diaper as claimed in claim 30, it is characterised in that:It is formed in mutual that the longitudinally extending joint portion arranges, adjacent in the longitudinal direction of the joint portion and is divided into 1mm The above 20mm or less.
- 32. disposable diaper as claimed in claim 30, it is characterised in that:Horizontally the adjacent joint portion arranges mutual and is divided into 4mm or more 20mm or less.
- 33. disposable diaper as claimed in claim 1 or 2, it is characterised in that:The disposable diaper includes hydrophobic outer-skin sheet and multiple bullets in the opposite surface side of non-skin of the non-skin lateral plate Property component, multiple elastomeric element is between the non-skin lateral plate and the outer-skin sheet to stretch in the transverse direction of the disposable diaper Long state is configured and is configured at intervals on the longitudinal direction of the disposable diaper, and the skin lateral plate is in each recessed portion With weld portion,The elastomeric element adjacent in the longitudinal direction is configured with the weld portion each other, and configured with the skin lateral plate The aperture.
- 34. disposable diaper as claimed in claim 1 or 2, it is characterised in that:The disposable diaper includes hydrophobic outer-skin sheet and multiple bullets in the opposite surface side of non-skin of the non-skin lateral plate Property component, multiple elastomeric element is between the non-skin lateral plate and the outer-skin sheet to stretch in the transverse direction of the disposable diaper Long status is configured and is configured at intervals on the longitudinal direction of the disposable diaper, and the skin lateral plate has in each recessed portion There is weld portion,When the pleated portions that are formed to the elastic components contract carry out section observation, from recessed to the non-skin side of the skin lateral plate Whole 60% or more in projection configured with the weld portion is played in the position of the half of the depth d4 of sunken recess portion, and the upper limit is 100%.
- 35. disposable diaper as claimed in claim 1 or 2, it is characterised in that:Distance is opened in the side of the aperture than this between constituting the fiber of the composition fiber of the skin lateral plate in the recessed portion The outside in hole is small.
- 36. disposable diaper as claimed in claim 1 or 2, it is characterised in that:Constitute 70% or less thickness d 2 in the outer peripheral portion of the aperture, with a thickness of the part in addition to the recessed portion Thin region in, distance is the periphery between the fiber of the fiber in the 40% thin region in aperture side below with a thickness of thickness d 2 4/5 or less distance between the fiber of the fiber near the outer rim of the recessed portion is constituted in part.
- 37. disposable diaper as claimed in claim 1 or 2, it is characterised in that:Constitute 70% or less thickness d 2 in the outer peripheral portion of the aperture, with a thickness of the part in addition to the recessed portion Thin region in, contact that the skin lateral plate in the 40% thin region in aperture side below with a thickness of thickness d 2 is with ion exchange water Angle is 120 ° or less.
- 38. disposable diaper as claimed in claim 1 or 2, it is characterised in that:Contact of the skin lateral plate with ion exchange water near the outer rim of the recessed portion is constituted in the outer peripheral portion of the aperture Angle is 120 ° or more.
- 39. disposable diaper as claimed in claim 1 or 2, it is characterised in that:The skin lateral plate has weld portion made of the composition fiber of the skin lateral plate is fused to each other in each recessed portion, Near the outer rim of the recessed portion of the weld portion nearby and in the outer peripheral portion of contact angle and the aperture of ion exchange water Difference with the contact angle of ion exchange water is 10 ° or more.
- 40. disposable diaper as claimed in claim 1 or 2, it is characterised in that:The grammes per square metre of the non-skin lateral plate is 10g/m2The above 50g/m2Below.
- 41. disposable diaper as claimed in claim 1 or 2, it is characterised in that:The thickness of the non-skin lateral plate is 100 μm or more 800 μm or less in the part in addition to the recessed portion.
- 42. disposable diaper as claimed in claim 1 or 2, it is characterised in that:The hydrophilic fibre of the non-skin lateral plate is 80 relative to the blending rate of the composition fiber entirety of the non-skin lateral plate Quality % or more, lower limit are 70 mass %.
- 43. disposable diaper as claimed in claim 1 or 2, it is characterised in that:It is 20mm that the non-skin lateral plate, which is at 60 seconds according to the Ke Liemu suction head of the 30mm width measured of JIS P 8141, More than.
- 44. disposable diaper as claimed in claim 1 or 2, it is characterised in that:The saturated water adsorptive value of the ion exchange water of the non-skin lateral plate is 75g/m2More than.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015-250553 | 2015-12-22 | ||
| JP2015250553A JP6208208B2 (en) | 2015-12-22 | 2015-12-22 | Disposable diapers |
| PCT/JP2016/085628 WO2017110395A1 (en) | 2015-12-22 | 2016-11-30 | Disposable diaper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108366886A CN108366886A (en) | 2018-08-03 |
| CN108366886B true CN108366886B (en) | 2019-04-16 |
Family
ID=59089377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680069765.8A Active CN108366886B (en) | 2015-12-22 | 2016-11-30 | Disposable diaper |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JP6208208B2 (en) |
| CN (1) | CN108366886B (en) |
| DE (1) | DE112016005877T5 (en) |
| GB (1) | GB2560470B (en) |
| RU (1) | RU2676993C1 (en) |
| WO (1) | WO2017110395A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT201700119053A1 (en) * | 2017-10-20 | 2019-04-20 | Fameccanica Data Spa | PROCEDURE AND APPARATUS FOR PRODUCING A BREATHABLE TAPE AND RELATIVE BELT |
| JP6659774B2 (en) * | 2018-06-29 | 2020-03-04 | ユニ・チャーム株式会社 | Pants-type absorbent article |
| JP2020049084A (en) * | 2018-09-28 | 2020-04-02 | 花王株式会社 | Absorbent article |
| JP7221715B2 (en) * | 2019-02-07 | 2023-02-14 | ユニ・チャーム株式会社 | absorbent article |
| US20200261281A1 (en) * | 2019-02-14 | 2020-08-20 | The Procter & Gamble Company | Pant-type wearable article |
| WO2020164060A1 (en) | 2019-02-14 | 2020-08-20 | The Procter & Gamble Company | Pant-type wearable article |
| JP7366587B2 (en) * | 2019-05-20 | 2023-10-23 | ユニ・チャーム株式会社 | Pants type disposable diaper |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1325668A (en) * | 2000-05-25 | 2001-12-12 | 尤妮佳股份有限公司 | Disposable clothes |
| JP4190332B2 (en) * | 2003-03-31 | 2008-12-03 | ユニ・チャーム株式会社 | Disposable wearing items |
| CN101389300A (en) * | 2006-02-28 | 2009-03-18 | 尤妮佳股份有限公司 | Disposable diaper |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2617011B2 (en) * | 1990-02-27 | 1997-06-04 | ユニ・チャーム株式会社 | Disposable wearing articles |
| JP5535569B2 (en) * | 2009-10-05 | 2014-07-02 | 花王株式会社 | Absorbent articles |
| JP6442331B2 (en) * | 2014-03-25 | 2018-12-19 | 花王株式会社 | Absorbent articles |
| RU2716189C1 (en) * | 2016-11-21 | 2020-03-06 | Као Корпорейшн | Disposable diaper |
-
2015
- 2015-12-22 JP JP2015250553A patent/JP6208208B2/en active Active
-
2016
- 2016-11-30 CN CN201680069765.8A patent/CN108366886B/en active Active
- 2016-11-30 GB GB1809270.0A patent/GB2560470B/en active Active
- 2016-11-30 DE DE112016005877.2T patent/DE112016005877T5/en active Pending
- 2016-11-30 WO PCT/JP2016/085628 patent/WO2017110395A1/en active Application Filing
- 2016-11-30 RU RU2018125868A patent/RU2676993C1/en active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1325668A (en) * | 2000-05-25 | 2001-12-12 | 尤妮佳股份有限公司 | Disposable clothes |
| JP4190332B2 (en) * | 2003-03-31 | 2008-12-03 | ユニ・チャーム株式会社 | Disposable wearing items |
| CN101389300A (en) * | 2006-02-28 | 2009-03-18 | 尤妮佳股份有限公司 | Disposable diaper |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017110395A1 (en) | 2017-06-29 |
| CN108366886A (en) | 2018-08-03 |
| DE112016005877T5 (en) | 2018-08-30 |
| GB201809270D0 (en) | 2018-07-25 |
| RU2676993C1 (en) | 2019-01-14 |
| JP2017113187A (en) | 2017-06-29 |
| GB2560470A (en) | 2018-09-12 |
| JP6208208B2 (en) | 2017-10-04 |
| GB2560470B (en) | 2019-04-03 |
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