WO2010131565A1 - 透液性繊維不織布 - Google Patents

透液性繊維不織布 Download PDF

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Publication number
WO2010131565A1
WO2010131565A1 PCT/JP2010/057373 JP2010057373W WO2010131565A1 WO 2010131565 A1 WO2010131565 A1 WO 2010131565A1 JP 2010057373 W JP2010057373 W JP 2010057373W WO 2010131565 A1 WO2010131565 A1 WO 2010131565A1
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WO
WIPO (PCT)
Prior art keywords
ridges
nonwoven fabric
liquid
fiber nonwoven
staple fibers
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.)
Ceased
Application number
PCT/JP2010/057373
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
徹 大庭
水谷　聡
明寛 木村
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unicharm Corp
Original Assignee
Unicharm Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Unicharm Corp filed Critical Unicharm Corp
Priority to KR1020117029943A priority Critical patent/KR101708954B1/ko
Priority to EA201190230A priority patent/EA201190230A1/ru
Priority to AU2010248561A priority patent/AU2010248561B2/en
Priority to UAA201114652A priority patent/UA103678C2/ru
Priority to BRPI1007751-0A priority patent/BRPI1007751B1/pt
Priority to CN201080021362.9A priority patent/CN102482817B/zh
Priority to US13/266,923 priority patent/US8722173B2/en
Priority to EP10774823.8A priority patent/EP2431513B1/en
Publication of WO2010131565A1 publication Critical patent/WO2010131565A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/558—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving in combination with mechanical or physical treatments other than embossing
    • 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 of the pads
    • A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
    • A61F13/51104—Topsheet, i.e. the permeable cover or layer facing the skin the top sheet having a three-dimensional cross-section, e.g. corrugations, embossments, recesses or projections
    • A61F13/51108—Topsheet, i.e. the permeable cover or layer facing the skin the top sheet having a three-dimensional cross-section, e.g. corrugations, embossments, recesses or projections the top sheet having corrugations or embossments having one axis relatively longer than the other axis, e.g. forming channels or grooves in a longitudinal direction
    • 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 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 specially adapted to be worn around the waist, e.g. diapers, nappies
    • 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 of the pads
    • A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/51—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 of the pads
    • A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
    • A61F13/51121—Topsheet, i.e. the permeable cover or layer facing the skin characterised by the material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4391—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece characterised by the shape of the fibres
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
    • D04H1/5412—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres sheath-core
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
    • D04H1/5414—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres side-by-side
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/542—Adhesive fibres
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/76—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres otherwise than in a plane, e.g. in a tubular way
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H13/00—Other non-woven fabrics
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2509/00—Medical; Hygiene
    • D10B2509/02—Bandages, dressings or absorbent pads
    • D10B2509/026—Absorbent pads; Tampons; Laundry; Towels
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1007—Running or continuous length work
    • Y10T156/1023—Surface deformation only [e.g., embossing]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/2457—Parallel ribs and/or grooves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24595—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness and varying density
    • Y10T428/24603—Fiber containing component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/608—Including strand or fiber material which is of specific structural definition

Definitions

  • the present invention relates to a liquid-permeable fiber nonwoven fabric, and more particularly to a liquid-permeable fiber nonwoven fabric suitable for use as a surface sheet of disposable body fluid absorbent articles such as disposable diapers and sanitary napkins.
  • thermoplastic synthetic resin staple fibers are well known.
  • JP 2009-30218 A Patent Document 1 is a nonwoven fabric of this type, on the surface of which a ridge and a ridge extending in the machine direction are formed parallel to each other. It is disclosed that the ridges and recesses are alternately arranged in the crossing direction with respect to the machine direction, and the back surface is formed flat.
  • JP 2009-30218 A JP2009-30218A
  • the nonwoven fabric described in Patent Document 1 is manufactured by injecting heated air from a plurality of nozzles arranged at a required pitch in a crossing direction with respect to the surface of a fiber web that is placed on a mesh plate and travels in the machine direction.
  • a concave line portion is formed in a portion located immediately below the nozzle, and a convex line portion is formed in a portion between adjacent nozzles.
  • the concave portion is so that the body fluid can quickly move from the convex portion to the concave portion when it is used as a surface sheet that covers the bodily fluid absorbent core material of the bodily fluid absorbent article. It is formed such that the density at the bottom is sufficiently higher than the density of the ridges.
  • a viscous body fluid such as menstrual blood tends to remain on the surface of the bottom portion without quickly passing through the surface sheet.
  • the present invention is directed to a surface having a vertical direction, a horizontal direction, and a thickness direction that are orthogonal to each other, and that extends in the vertical direction and the horizontal direction in the thickness direction. And a reverse surface that is the opposite surface are formed, and on the front surface, protruding strips and recesses extending in parallel to each other in the longitudinal direction are alternately arranged in the lateral direction, and the back surface is substantially It is a liquid-permeable non-woven fabric which is formed flat and in a state where staple fibers formed of a thermoplastic synthetic resin are welded to each other.
  • the features of the present invention are as follows.
  • the thickness t from the back surface to the bottom of the concave portion is in the range of 40 to 60% with respect to the thickness T from the back surface to the top of the convex portion.
  • a material that reaches each of the concave ridges adjacent to both sides of the ridge across the bridge is used.
  • the staple fibers straddling the ridges are welded to the staple fibers different from the staple fibers in each of the adjacent recessed ridges.
  • the mass is in the range of 15-35 g / m 2 .
  • the specific volume of the ridges is in the range of 70 to 105 cc / g, and the specific volume of the ridges is in the range of 40 to 60 cc / g.
  • the staple fiber having an apparent fiber length of 10 to 80 mm is used.
  • the ridges and the ridges are machined fiber webs containing the staple fibers formed of the thermoplastic synthetic resin in the required mass per square meter.
  • the ridges are formed by injecting heated air toward the web from a plurality of nozzles intermittently arranged in the crossing direction with respect to the machine direction while continuously running in the crossing direction. It forms between the said nozzles which fit, and the said groove part is formed directly under the said nozzle.
  • the liquid-permeable fiber nonwoven fabric according to the present invention is a staple fiber that extends between adjacent groove portions via a protrusion, and is welded to a staple fiber that is different from the staple fiber in each of the grooves. Since the surface of the fiber nonwoven fabric is included in the surface of the fiber nonwoven fabric, even if the surface of the fiber nonwoven fabric used as the surface sheet touches the skin and the ridges are rubbed, fluffing on the surface can be suppressed. Further, the thickness t of the groove is 40 to 60% of the thickness T of the protrusion, and the liquid-permeable fiber nonwoven fabric is slightly compressed compared to the protrusion. Since there is no extreme difference in specific volume between the ridges and the ridges, viscous body fluid such as menstrual blood can permeate through the fiber nonwoven fabric both in the ridges and in the ridges. Can do.
  • the perspective view of a liquid-permeable fiber nonwoven fabric The figure which illustrates the manufacturing process of a liquid-permeable fiber nonwoven fabric.
  • FIG. 1 is a perspective view of a liquid-permeable fiber nonwoven fabric 1.
  • the fiber nonwoven fabric 1 is formed by welding staple fibers 2 of thermoplastic synthetic resin to each other, and has a longitudinal direction A, a lateral direction B, and a thickness direction C that are orthogonal to each other.
  • a front surface 3 extending in the vertical direction A and the horizontal direction B and a back surface 4 opposite to the front surface 3 are formed.
  • the surface 3 is formed with a plurality of ridges 6 and a plurality of ridges 7 extending in parallel to each other in the longitudinal direction A.
  • the ridges 6 and the ridges 7 are formed in the lateral direction B. They are lined up alternately.
  • the back surface 4 is formed substantially flat.
  • the ridge portion 6 has a top portion 11 on the front surface 3 where the height from the back surface 4 is the highest, and the dimension T from the back surface 4 to the top portion 11 between the ridge portions 6, that is, the ridge portion.
  • the height of the part 6 is substantially constant.
  • the pitch P of the ridges 6 formed repeatedly in the lateral direction B is the distance between the adjacent tops 11 and 11 and is substantially constant between the ridges 6.
  • the concave stripe portion 7 has a bottom portion 12 on the front surface 3 where the height from the back surface 4 is the lowest. Between the concave stripe portions 7, a dimension t from the back surface 4 to the bottom portion 12, that is, the bottom portion. The height of 12 is almost constant.
  • the pitch of the concave strips 7 formed repeatedly in the lateral direction B is equal to the pitch P and is the distance between the adjacent bottoms 12 and 12.
  • the fiber nonwoven fabric 1 is suitable for use as a liquid-permeable surface sheet in body fluid-absorbing articles such as disposable diapers, sanitary napkins, and pants for incontinence patients.
  • the surface sheet covers the bodily fluid-absorbent core material, and is used on the assumption that it contacts the skin of the wearer of the bodily fluid-absorbent article.
  • the staple fiber 2 is a thermoplastic synthetic fiber having a fineness of 1 to 8 dtex and an apparent fiber length of 10 to 80 mm, and has been subjected to a hydrophilic treatment.
  • the apparent fiber length here is a value measured in accordance with the provisions of Section 8.4, c) of Japanese Industrial Standard (JIS) L1015: 1999.
  • the staple fiber 2 whose apparent fiber length is to be measured is prepared for loading into the card machine 101 illustrated in FIGS. 2 and 5 to be described later, and all processes such as crimping necessary before loading are completed. It is what you are doing.
  • the staple fibers 2 collected for the measurement were shaped so as to be almost straight on the table, while applying no stretching force thereto.
  • Preferably composite staple fibers are used.
  • a side-by-side type or a core-sheath type can be used.
  • the sheath component is a thermoplastic having a low melting temperature such as polyethylene.
  • a synthetic resin is used in which the core component is a thermoplastic synthetic resin such as polypropylene or polyester having a melting temperature higher than the melting temperature of the sheath component.
  • the fiber nonwoven fabric 1 has a uniform mass per square meter, and its mass is in the range of 15 to 35 g / m 2 .
  • the ridges 6 have a thickness T in the range of 0.5 to 5 mm and a pitch P in the range of 2 to 8 mm.
  • the concave strip 7 has a thickness t in the range of 25 to 60% of the thickness T.
  • a plurality of ones extending from one concave portion 7 to the other concave portion 7 across the convex portion 6 as exemplified as the staple fiber 2a is included.
  • the staple fibers 2 may be mechanically entangled with each other, or may be welded to each other, but those in the state of the staple fibers 2a on the surface 3 are adjacent to each other.
  • the groove portion 7 and the groove portion 7 are welded to other staple fibers 2 intersecting with the staple fibers 2a, particularly at the bottom portion 12 of the groove portion 7, the adjacent groove portions 7 and the concave portions 7 are recessed.
  • the staple fibers 2 a can be prevented from fuzzing at the ridges 6.
  • the fact that the staple fibers 2 are welded to each other at the bottom 12 that is relatively difficult to touch the skin of the surface 3 also has an effect of preventing the occurrence of troubles that stimulate the skin at the welded portions.
  • the fluffing on the surface 3 may also cause the surface 3 to have unevenness to the skin, or cause bodily fluids such as menstrual blood to be easily retained. It is also effective in eliminating the cause.
  • the staple fiber 2 is adjacent to the staple fiber 6 even when it is in a state of extending while drawing a spiral shape or a zigzag shape.
  • An apparent fiber length longer than the pitch P, more preferably longer than twice the pitch P is used so that it can extend from one groove 7 to the other groove 7.
  • FIG. 2 is a diagram illustrating an example of a manufacturing process of the fiber nonwoven fabric 1.
  • step I the aggregate of staple fibers 2 is opened by the card machine 101 to make a web 102.
  • An appropriate mixing staple fiber 112 can be mixed with the staple fiber 2 upstream of the card machine 101.
  • the staple fibers 2 are preferably preliminarily mechanically crimped so that the opening process by the card machine 101 can be promoted.
  • Examples of the mixing staple fiber 112 include those having different types of thermoplastic synthetic resins, those having different fiber lengths, and those having different finenesses from the staple fibers 2.
  • the mixing staple fiber 112 is used within a range not exceeding 40 mass% of the mass per square meter of the web 102.
  • the web 102 is processed by the heated air injection means 210.
  • Means 210 is for forming the ridges 6 and the ridges 7 in the fiber nonwoven fabric 1, and includes a suction drum 200 that rotates in the machine direction MD, and first, second, 3rd nozzle assembly 211,212,213 is included.
  • Each of the first, second, and third nozzle assemblies 211, 212, and 213 includes the first, second, and third nozzle manifolds 211a, 212a, and 213a and the single nozzles 211b, 212bb, and 213b, respectively. Contains.
  • the first, second, and third nozzle manifolds 211a, 212a, and 213a extend in the axial direction of the suction drum 200, that is, in the cross direction CD (see FIG. 3) with respect to the machine direction MD. It is arranged at a necessary interval.
  • Each of the first, second, and third single nozzles 211b, 212b, and 213b is attached to each of the first, second, and third nozzle manifolds 211a, 212a, and 213a at a required pitch in the cross direction CD.
  • the required dimension is separated from the peripheral surface of the suction drum 200.
  • the first, second, and third single nozzles 211b, 212b, and 213b have a constant pitch in the cross direction CD, for example, 4 mm. They are arranged at a pitch, and are arranged on the same line in the machine direction MD.
  • the first, second, and third nozzle assemblies 211, 212, and 213 can eject heated air at a required temperature from each of the first, second, and third single nozzles 211b, 212b, and 213b with a required air volume. it can.
  • nozzles having a diameter of 0.5 to 2.5 mm can be used as the first, second, and third single nozzles 211b, 212b, and 213b.
  • the suction drum 200 has a through hole 223 (see FIG. 4) formed uniformly on its peripheral surface, and the through hole 223 is connected to a suction mechanism (not shown) of the suction drum 200.
  • the through hole 223 having a diameter of 0.2 to 1 mm is formed so as to have a hole area ratio of 15 to 30%.
  • the peripheral speed of the suction drum 200 is the same as the conveyance speed of the web 102.
  • the first and second nozzle assemblies 211 and 212 compress the bulky web 102 from the card machine 101 and process the surface prior to the processing of the web 102 by the third nozzle assembly 213. Used to make it smooth.
  • the temperature and pressure of the heated air from the first and second nozzle assemblies 211 and 212 are softened to such an extent that the staple fibers 2 and the mixing staple fibers 112 are not melted, and the staple fibers 2 are softened.
  • 112 is set so that air injection pressure is applied to 112 to compress the web 102 to a thickness of 1 ⁇ 2 to 1 ⁇ 4, and the surface of the web 102 can be made smooth.
  • the heated air from the third nozzle assembly 213 forms the concave portion 7 on the web 102 whose temperature and pressure are compressed and in a smooth state, and at the same time, among the staple fibers 2 in the concave portion 7. It is set so that at least some of them can be welded together.
  • the surface of the web 102 is smoothed with the unevenness caused by fluffing of the staple fibers 2 being reduced, and as a result, the fiber nonwoven fabric.
  • the surface 3 of 1 becomes smooth and soft to the touch.
  • the protrusion 6 has a dimension from the back surface of the web 102 because the web 102 has been smoothed by the action of the first and second nozzle assemblies 211 and 212 when it is formed.
  • the height of a certain ridge portion 6 tends to be uniform.
  • the ridge portion 7 is also likely to have a uniform depth, in other words, a dimension from the back surface of the web 102.
  • the web 102 that has exited step II is placed on a mesh belt and conveyed in the machine direction MD.
  • step III heated air set to a temperature at which the surface of the staple fiber 2 can be melted is blown to the web 102 to fuse the staple fibers 2 and the staple fibers 2 and the mixing staple fibers 112 to each other.
  • the friction resistance of 1 is improved.
  • Step IV the web 102 cooled to room temperature is wound as the fiber nonwoven fabric 1.
  • FIG. 3 is a perspective view of the first nozzle assembly 211.
  • the first nozzle assembly 211 includes a first nozzle manifold 211a extending in the axial direction of the suction drum 200, that is, the intersecting direction CD, and a plurality of first single nozzles 211b attached to the first nozzle manifold 211a at a required pitch. It is included.
  • Each of the first single nozzles 211 a can inject heated air toward the peripheral surface of the suction drum 200.
  • the first nozzle manifold 211a is also provided with a pressure regulating valve and a heater on the upstream side thereof, but these are not shown. In the manufacturing process of FIG. 2 for obtaining the fiber nonwoven fabric 1 of FIG.
  • the second and third manifolds 212 a and 213 a and the second and third single nozzles 212 b and 213 b are the first manifold of the first nozzle assembly 211. It is formed similarly to 211a and the first nozzle unit 211b. Between the nozzle assemblies 211, 212, and 213, the first, second, and third single nozzles 211b, 212b, and 213b preferably have the same diameter and the same pitch in the cross direction CD. The manufacturing process of FIG. 2 can also be assembled in a mode in which the diameter and pitch are different.
  • FIG. 4 is a partial view of the metal plate 201 forming the peripheral surface of the suction drum 200.
  • a plurality of through holes 223 connected to the suction mechanism of the suction drum 200 are formed in the metal plate 201.
  • the through holes 223 have a hole diameter of, for example, between 0.2 and 1 mm, and are arranged at a required pitch in each of the circumferential direction and the axial direction of the suction drum 200.
  • FIG. 5 is a view similar to FIG. 2 showing another example of the manufacturing process of the fiber nonwoven fabric 1.
  • the aggregate of staple fibers 2 is opened by the card machine 101 to make the web 102.
  • An appropriate mixing staple fiber 112 can be mixed with the staple fiber 2 upstream of the card machine 101.
  • the staple fibers 2 are preferably preliminarily mechanically crimped so that the opening process by the card machine 101 can be promoted.
  • the mixing staple fibers 112 are the same as those in FIG.
  • step II of FIG. 5 in the dryer 251, heated air set to a temperature at which the surface of the staple fibers 2 can be melted is blown onto the web 102 placed on the mesh conveyor 253, and the staple fibers 2 and the staple fibers 2 are blown. And the mixing staple fiber 112 are welded.
  • Step III of FIG. 5 heated air at a required temperature is required from the plurality of single nozzles 252b of the nozzle assembly 252 to the web 102 heated in Step II and still on the mesh conveyor 253 and being heated. A quantity is injected.
  • the plurality of single nozzles 252b are attached to a nozzle manifold 252a extending in the crossing direction perpendicular to the machine direction MD to form the concave strip portion 7 and the convex strip portion 6 of the fiber nonwoven fabric 1. used.
  • the single nozzles 252 b are attached to the nozzle manifold 252 a at a pitch of 4 mm and have a diameter of 0.5 to 2.5 mm.
  • Step IV of FIG. 5 the cooled web 102 is wound as the fiber nonwoven fabric 1.
  • a preferred example of the mesh conveyor 253 used in FIG. 5 is a plain weave of 18-30 mesh.
  • the mesh conveyor of less than 18 mesh is coarse to obtain the fiber nonwoven fabric 1, the trace of the wire forming the mesh is left on the back surface 4 of the fiber nonwoven fabric 1, and the back surface 4 is difficult to be smooth. Further, in a mesh conveyor exceeding 30 mesh, the permeability of heated air is poor in both Step II and Step III, and it becomes difficult to weld the staple fibers 2 on the back surface of the web 102 reasonably.
  • the staple fibers 2 and the staple fibers 2 and the mixing staple fibers 112 are welded. It is easy to make the strip 7. Therefore, in the process of FIG. 5, it may be sufficient to use one nozzle assembly 252 without using the first to third nozzle assemblies 211, 212, 213 in FIG. Further, the heated air from the nozzle assembly 252 can reduce the air volume to 5.0 to 12.0 Nl / m 2 or can be set to a temperature lower than 200 ° C.
  • the staple fibers 2 straddle the ridges 6 on the surface 3 of the fiber nonwoven fabric 1, and It extends to the bottom part 12 of the concave part 7 formed on each side of the convex part 6, and the staple fiber 2 is welded to the other staple fiber 2 and the mixing staple fiber 112 at the bottom part 12. Therefore, the surface 3 tends to suppress the occurrence of fuzz when a friction test described later is performed. In the friction test, the friction applied to the surface 3 acts mainly in the vicinity of the top 11 of the ridge 6, but the staple fibers 2 located on the top 11 are formed on both sides of the ridge 6. Since the bottom portion 12 of the concave strip portion 7 is welded to another staple fiber 2 different from the staple fiber 2 and the mixing staple fiber 112, wings at the top portion 11 are suppressed.
  • the tendency for the occurrence of fuzz to be suppressed is that when the temperature of the heated air sprayed from the third nozzle assembly 213 in FIG. In other words, it becomes more prominent as the thickness t in FIG.
  • the fluffing is reduced to an acceptable level as a disposable diaper or a surface sheet of a sanitary napkin.
  • the concave portion 7 tends to have a higher density at the bottom 12 and a smaller specific volume.
  • the fiber nonwoven fabric 1 having the concave portion 7 having a small specific volume is used as a top sheet of a sanitary napkin, viscous body fluid such as menstrual blood is not quickly absorbed by the core at the bottom 12 of the concave portion 7.
  • the tendency to stay at the bottom 12 becomes stronger, and the retained menstrual blood may stain the skin, or when the sanitary napkin is discarded, the menstrual blood remaining on the surface sheet may be easily seen.
  • the fiber nonwoven fabric 1 according to the present invention is from the back surface 4 to the bottom portion 12 of the concave stripe portion 7 so that the specific volume in the concave stripe portion 7 does not become extremely lower than the specific volume of the convex stripe portion 6.
  • the fiber nonwoven fabric of the example As the fiber nonwoven fabric of the example, a plurality of types of fiber nonwoven fabrics in which the ratio of the thickness t of the concave stripe portion 7 to the thickness T of the convex stripe portion 6 is produced, and artificial menstrual blood is used as a body fluid, The retention area of body fluid on the surface 3 including the strip 7 and the friction strength of the surface 3 were evaluated. Moreover, the fiber nonwoven fabric as a comparative example with respect to an Example was also produced, and also about the fiber nonwoven fabric, the retention area of the bodily fluid and the frictional strength of the surface were measured and evaluated. The evaluation results are shown in Tables 1 to 4. The method for measuring the thickness T and the thickness t, the method for measuring the staying area of body fluid, and the method for evaluating the friction strength in the fiber nonwoven fabric 1 having the ridges 6 and the ridges 7 are as follows.
  • FIG. 6A is a section photograph in cross direction CD of a fiber nonwoven fabric piece used in order to explain the procedure of the method of measuring thickness, and the procedure is as follows. 1. Using the standard replacement blade HA-100B for KOKUYO Cutter Knife HA-7NB (trade name), the fiber nonwoven fabric piece for thickness measurement is cut parallel to the cross direction CD, and the fiber nonwoven fabric piece is cut into the cross direction CD. Make parallel observation planes. Thereafter, the surface of the fiber nonwoven fabric piece is placed on the horizontal plane H, and a photograph (see FIG. 6A) of 25 times the cross section for observation is obtained using a Keyence digital microscope VHX-100. 2.
  • the cross-sectional photograph is processed with image analysis software USB digital manufactured by SCARA, which is image processing software, and the image is binarized.
  • the threshold value is set to 50.
  • the binary image shape analysis calculation method “fill hole” is selected, and then the target color “white” is selected and processed. Further, the calculation method “hole filling” of the binary image shape analysis is selected, and then the target color “black” is selected and processed.
  • a modified photograph of the CD cross-section without fluff (see FIG. 6 (b)) is erased from the Hakushima portion, which is a group of staple fibers, to the outside and erases the stapling staple fibers. obtain. 3.
  • a straight line S connecting the vertices of adjacent ridges and a horizontal line R in contact with the bottom of the ridges and parallel to the horizontal plane H are obtained. 4).
  • a perpendicular line Q that intersects with the straight line S through the bottom of the grooved portion perpendicular to the horizontal plane H is obtained. 5).
  • the distance from the horizontal plane H to the intersection with the straight line S is determined, and the distance is defined as the height (thickness) T of each adjacent ridge.
  • the distance from the horizontal plane H to the intersection with the horizontal line R is determined, and the distance is defined as the thickness t of the concave strip (see FIG. 6B).
  • the procedure for measuring the residence area is as follows. 1. A fiber nonwoven fabric piece of 5 cm ⁇ 5 cm is prepared as a test piece for measurement. 2. Filter paper for viscous liquid made by Advantech Toyo Co., Ltd. 20 pieces of filter paper pieces obtained by cutting 60 into 10 cm ⁇ 10 cm are stacked, and a test piece is stacked thereon. 3. Using a 10 cc pipette (digital micropipette for liquid handling NPX-10ML manufactured by Nichiyo Co., Ltd.), gently drop 2 cc of artificial menstrual blood having the following composition as a body fluid onto the test piece.
  • 10 cc pipette digital micropipette for liquid handling NPX-10ML manufactured by Nichiyo Co., Ltd.
  • composition of artificial menstrual blood (1) Ion exchange water: 1 liter (2) Glycerin: 80 g (3) Sodium carboxymethyl cellulose: 8 g (4) Sodium chloride: 10 g (5) Sodium bicarbonate: 4g (6) Red No. 102: 8g (7) Red No. 2: 2g (8) Yellow No. 5: 2g 4).
  • the test piece is removed from the filter paper piece and air-dried. 5).
  • an artificial menstrual blood image is obtained by scanning the state of the artificial menstrual blood remaining in the test piece with a digital scanner (Image Scanner GT8700 manufactured by Seiko Epson Corporation).
  • the scan condition is to set the color condition to True color-24 bits and the pixel size to 59 pixels / cm) (see FIG. 7).
  • the image obtained in Section 6.5 is processed by image processing software USB digital manufactured by SCARA Co., Ltd., which is image processing software, and the image is binarized.
  • the number of pixels stained red due to red artificial menstrual blood is converted into data and converted into area.
  • the number of pixels (number of pixels) and the converted area for three test pieces having the same value of t / T are obtained, and the average value of the areas is defined as “body fluid retention area (mm 2 )” (FIG. 7). reference).
  • Friction method of friction strength The procedure for evaluating the friction strength is as follows. 1. Except for the following items, the evaluation is made according to the provisions of JIS L 0844: 2004 “Test Method for Dye Fastness to Friction” 2.
  • the following friction tester type II (Gakushin type) is used as the tester: Gakushin type friction fastness tester AB-301 made by Tester Sangyo Co., Ltd. 3. Friction load: 2N (200gf) 4). Friction surface: Cotton kanakin No.3 (JIS L 0803 compliant product) 5). Friction reciprocation frequency: 20 reciprocations / minute for 1 minute 6.
  • Test piece A non-woven fabric having a longitudinal direction (machine direction) dimension of 220 mm and a transverse direction (cross direction) dimension of 30 mm is used as a test piece, and the surface on which the ridges are formed is the top of the test piece.
  • the frictional element is set on the testing machine so as to reciprocate in the vertical direction. 7).
  • the surface of the fiber nonwoven fabric after rubbing is observed and ranked as follows. Those in ranks A, B, and C can be used as surface sheets.
  • D There are many fuzziness and fuzz that connects adjacent ridges
  • first and second composite staple composite fibers in which the core component is a polyester resin and the sheath component is a polyethylene resin were mixed.
  • the first composite staple fiber had a fineness of 2.2 dtex, a fiber length of 45 mm, and a mass per square meter of the entire staple fiber was 80% by mass.
  • the second composite staple fiber had a fineness of 2.6 dtex, a fiber length of 38 mm, and a mass per square meter of the entire staple fiber was 20% by mass.
  • the mixed first and second staple fibers were processed by a roller card machine to obtain webs having masses of 15 g / m 2 , 25 g / m 2 , 35 g / m 2 and 40 g / m 2 . 2. These webs were processed in the process of FIG.
  • the conditions for the first, second, and third nozzle assemblies in Step II of FIG. 2 were set as follows.
  • Mass (g / m 2 ) (Average mass (g)) ⁇ 0.01 (2)
  • line part and the thickness t in the bottom part of a protruding item part are measured, and a specific volume is calculated
  • Specific volume (cc / g) of ridges or ridges ⁇ (thickness T of ridges or thickness t of ridges) ⁇ 1000 ⁇ ⁇ mass (g / m 2 )
  • Comparative Examples 1 to 18 The non-woven fabrics of Comparative Examples 1 to 18 were manufactured using the same conditions as in the Examples except that the heating air injection amount of the third nozzle assembly in FIG. 2 was set to 8.17 to 24.58 Nl / m 2. Then, it was evaluated in the same manner as in the example. The results of evaluation are as shown in Tables 1 to 4.
  • the specific volume of the ridges is in the range of 70 to 105 cc / g, and the specific volume of the ridges is in the range of 40 to 60 cc / g.
  • Nonwoven fabrics do not retain viscous body fluids and do not fluff easily due to friction.
  • FIG. 7 is a diagram illustrating the procedure for measuring the bodily fluid retention area for the fiber nonwoven fabrics of Example 7 and Comparative Example 7.
  • FIG. 7 shows an image of the body fluid retained in the fiber nonwoven fabric in these examples, the result of binarizing the image, the number of pixels and the area for the body fluid obtained from the result, and the average value of the number of pixels and the area. It is shown.

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Vascular Medicine (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
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PCT/JP2010/057373 2009-05-14 2010-04-26 透液性繊維不織布 Ceased WO2010131565A1 (ja)

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KR1020117029943A KR101708954B1 (ko) 2009-05-14 2010-04-26 투액성 섬유 부직포
EA201190230A EA201190230A1 (ru) 2009-05-14 2010-04-26 Влагопроницаемый волокнистый нетканый материал
AU2010248561A AU2010248561B2 (en) 2009-05-14 2010-04-26 Liquid-pervious fibrous non-woven fabric
UAA201114652A UA103678C2 (ru) 2009-05-14 2010-04-26 Влагопроницаемый волокнистый нетканый материал
BRPI1007751-0A BRPI1007751B1 (pt) 2009-05-14 2010-04-26 Não-tecido fibroso impermeável a líquido
CN201080021362.9A CN102482817B (zh) 2009-05-14 2010-04-26 透液性纤维无纺布
US13/266,923 US8722173B2 (en) 2009-05-14 2010-04-26 Liquid-pervious fibrous non-woven fabric
EP10774823.8A EP2431513B1 (en) 2009-05-14 2010-04-26 Liquid-permeable nonwoven fibrous fabric

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US20120045620A1 (en) 2012-02-23
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TWI529274B (zh) 2016-04-11
EP2431513A1 (en) 2012-03-21
AU2010248561B2 (en) 2015-08-20
CN102482817B (zh) 2014-11-12
JP5520124B2 (ja) 2014-06-11
US8722173B2 (en) 2014-05-13
CN102482817A (zh) 2012-05-30
BRPI1007751B1 (pt) 2022-02-08
JP2010285735A (ja) 2010-12-24
EA201190230A1 (ru) 2013-01-30
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BRPI1007751A2 (pt) 2021-09-08
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