WO2014050310A1 - 繊維シート - Google Patents

繊維シート Download PDF

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Publication number
WO2014050310A1
WO2014050310A1 PCT/JP2013/071044 JP2013071044W WO2014050310A1 WO 2014050310 A1 WO2014050310 A1 WO 2014050310A1 JP 2013071044 W JP2013071044 W JP 2013071044W WO 2014050310 A1 WO2014050310 A1 WO 2014050310A1
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WO
WIPO (PCT)
Prior art keywords
embossed
portions
heat
fiber
fiber sheet
Prior art date
Application number
PCT/JP2013/071044
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
啓介 長島
加藤　隆弘
玉実 田中
Original Assignee
花王株式会社
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 花王株式会社 filed Critical 花王株式会社
Priority to CN201380045520.8A priority Critical patent/CN104603346B/zh
Publication of WO2014050310A1 publication Critical patent/WO2014050310A1/ja

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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
    • A61F13/511—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
    • 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
    • A61F13/51121—Topsheet, i.e. the permeable cover or layer facing the skin characterised by the material
    • 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
    • A61F13/5116—Topsheet, i.e. the permeable cover or layer facing the skin being formed of multiple layers
    • 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
    • D04H1/44—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/50—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by treatment to produce shrinking, swelling, crimping or curling of 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
    • 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

Definitions

  • the present invention relates to a fiber sheet used for a surface sheet or the like of an absorbent article.
  • an embossed surface is formed on the surface that comes into contact with the wearer's skin to form irregularities.
  • the contact area with the skin of the wearer is reduced due to the presence of the unevenness, so that it is possible to reduce stickiness and stuffiness.
  • the density gradient of the fiber which comprises a surface sheet is formed between the embossed part formed by embossing, and the non-embossed part.
  • the capillary force works more strongly than in the non-embossed portion having a low fiber density, and thus excreted body fluid easily moves from the non-embossed portion toward the embossed portion. As a result, the liquid can be smoothly transferred in the thickness direction of the top sheet.
  • the present applicant has previously proposed a surface sheet of an absorbent article in which a plurality of uniform-height solid dome structure convex portions surrounded by four embossed portions are formed (see Patent Document 1).
  • the present applicant has previously proposed a surface sheet of an absorbent article having a plurality of large convex portions of a three-dimensional dome structure and a plurality of small convex portions of a three-dimensional dome structure (see Patent Document 2). ).
  • the surface sheet described in Patent Document 1 has a uniform height of the convex portion of the three-dimensional dome structure, and there is room for improvement in terms of reducing the contact area with the wearer's skin.
  • the contact area with the skin of the wearer is reduced by the large and small convex portions of the two-dimensional solid dome structure. Can be reduced.
  • the surface sheet described in Patent Document 2 is formed with only two types of convex portions, a large convex portion and a small convex portion, in terms of liquid transferability in the thickness direction of the surface sheet, There was room for further improvement.
  • the present invention relates to providing a fiber sheet that is a further improvement of the above-described prior art.
  • the present invention relates to a fiber sheet having a heat-shrinkable fiber layer including heat-shrinkable heat-shrinkable fibers and having a plurality of embossed portions.
  • the fiber sheet has a hemispherical high convex portion having the highest height, a hemispherical low convex portion having the lowest height, and a height lower than the high convex portion and higher than the low convex portion.
  • Each has a plurality of high hemispherical middle convex portions.
  • a plurality of the middle convex portions are arranged at intervals in the first direction, and a first convex row formed by arranging a plurality of the middle convex portions in the first direction is arranged in the first direction.
  • a plurality of high convex portions are arranged at intervals in a second direction perpendicular to each other, and a plurality of high convex portions are arranged at intervals in the first direction, and a plurality of high convex portions are arranged in the first direction.
  • the second convex portion row formed in this manner is alternately arranged with the first convex portion row in the second direction, and each of the high convex portions is surrounded by the four middle convex portions.
  • the plurality of low convex portions are respectively arranged between the middle convex portions adjacent in the first direction and between the high convex portions adjacent in the second direction.
  • FIG. 1 is the top view which looked at the sanitary napkin which is an absorbent article using the fiber sheet of this invention for the surface sheet from the surface sheet side.
  • 2 is a cross-sectional view taken along the line II shown in FIG.
  • FIG. 3 is a perspective view showing the fiber sheet according to the first embodiment of the present invention.
  • FIG. 4 is a plan view showing the shape and arrangement pattern of embossed portions in the fiber sheet shown in FIG.
  • FIG. 5 is an enlarged plan view showing the shape and arrangement pattern of the embossed portion in the middle convex portion shown in FIG.
  • FIG. 6 is an enlarged plan view showing the shape and arrangement pattern of the embossed portion in the high convex portion shown in FIG.
  • FIG. 1 is the top view which looked at the sanitary napkin which is an absorbent article using the fiber sheet of this invention for the surface sheet from the surface sheet side.
  • 2 is a cross-sectional view taken along the line II shown in FIG.
  • FIG. 3 is a perspective view showing the fiber sheet according
  • FIG. 7 is an enlarged plan view showing the shape and arrangement pattern of the embossed portion in the low convex portion shown in FIG.
  • FIG. 8 is an enlarged plan view showing the shape and arrangement pattern of the embossed portion in the columnar convex portion shown in FIG. 9 is a cross-sectional view taken along the line II-II shown in FIG. 10 is a cross-sectional view taken along line III-III shown in FIG. 11 is a cross-sectional view taken along line IV-IV shown in FIG. 12 is a cross-sectional view taken along line VV shown in FIG.
  • FIG. 13 is a top view which shows the shape and arrangement pattern of the embossed part in the fiber sheet which is 2nd Embodiment of this invention.
  • FIG. 13 is a top view which shows the shape and arrangement pattern of the embossed part in the fiber sheet which is 2nd Embodiment of this invention.
  • FIG. 14 is a plan view showing the shape and arrangement pattern of embossed portions in a fiber sheet according to another embodiment of the present invention.
  • FIG. 15 is a plan view showing the shape and arrangement pattern of embossed portions in a fiber sheet that is a comparative example of the fiber sheet of the present invention.
  • the Y direction in the figure is the second direction and is the same direction as the machine direction (MD direction).
  • the X direction in the figure is a first direction orthogonal to the second direction, and is the same direction as the direction (CD direction) orthogonal to the machine direction (MD direction).
  • the Z direction in the figure is the thickness direction.
  • the sanitary napkin 10 includes a top sheet (fiber sheet 1A) disposed on the skin contact surface side, a back sheet 12 disposed on the non-skin contact surface side, and a Y direction disposed between the two sheets 1A and 12.
  • the long absorber 13 is provided.
  • the sanitary napkin 10 is provided with a pair of side sheets 14 and 14 on both side portions 10s and 10s along the Y direction, and a pair of wing portions 15 and 15 extending outward in the X direction. ing. As shown in FIG.
  • the sanitary napkin 10 is formed symmetrically with respect to a center line CL extending in the Y direction.
  • the Y direction is the same as the product longitudinal direction
  • the X direction is also the same as the product lateral direction.
  • the “skin contact surface” is a surface disposed on the skin side of the wearer when worn, out of the front and back surfaces of each member such as the surface sheet (fiber sheet 1 ⁇ / b> A) constituting the sanitary napkin 10.
  • the “non-skin contact surface” is a surface of the front and back surfaces of each member such as the surface sheet (fiber sheet 1A) that is directed to the side opposite to the wearer's skin when worn.
  • the sanitary napkin 10 includes a top sheet (fiber sheet 1A), a back sheet 12, and an absorbent body 13 disposed between the sheets 1A and 12. It has an absorbent main body 11.
  • the absorbent main body 11 includes a central part A, which is an area where the wing parts 15, 15 are located, and a front part disposed on the stomach side of the wearer from the central part A when the sanitary napkin 10 is worn.
  • B and the sanitary napkin 10 are divided into a rear part C arranged on the back side of the wearer rather than the central part A when the sanitary napkin 10 is worn.
  • the central part A of the absorbent main body 11 is usually disposed opposite to the excretion part (such as the vaginal opening) of the wearer.
  • the wing part 15 is formed in the excretion facing area (area facing the excretion part of the wearer) of the absorbent main body 11.
  • each of the top sheet (fiber sheet 1 ⁇ / b> A) and the back sheet 12 that forms the absorbent main body 11 covers the entire skin contact surface side and non-skin contact surface side of the absorber 13. And has an extending portion extending from the periphery of the absorber 13.
  • the top sheet (fiber sheet 1 ⁇ / b> A) has a length in the X direction shorter than the length of the back sheet 12 in the X direction.
  • each of the pair of side sheets 14 and 14 is on the skin contact surface side of the top sheet (fiber sheet 1A), and is the side along the Y direction of the top sheet (fiber sheet 1A).
  • the sanitary napkin 10 As shown in FIGS. 1 and 2, the X-direction outwardly extending portion of the back sheet 12 and the X-direction outwardly extending portion of the side sheet 14 are bonded, fused, or the like.
  • the wing portion 15 is formed by extending outward in the X direction at the central portion A more than the front portion B and the rear portion C. Adhesives are respectively applied to the width direction (X direction) center portion of the back sheet 12 of the sanitary napkin 10 and the non-skin facing surface of the extending portion of the back sheet 12 of the wing portion 15.
  • a fixing portion 16 is formed for fixing the garment to underwear such as shorts.
  • sheet 14 arrange
  • a three-dimensional gather in which a portion having a predetermined width from the end portion is separated from the topsheet (fiber sheet 1A) may be formed.
  • the sanitary napkin 10 has a round embossed groove (not shown) formed by integrally compressing the top sheet (fiber sheet 1A) and the absorbent body 13 extending in the Y direction, and rearward from the front portion B. It extends to part C.
  • the embossed groove (not shown) is formed in a single round shape connected to the front part B, the side parts 10s, 10s and the rear part C of the sanitary napkin 10.
  • the embossed grooves (not shown) are formed by compressing the top sheet (fiber sheet 1A) and the absorber 13 from the skin contact surface side with or without heat.
  • the fiber sheet of the present invention is a sheet having a heat-shrinkable fiber layer 1d containing heat-shrinkable fibers and a plurality of embossed portions 2 as shown in FIG. More specifically, the fiber sheet 1A used for the top sheet of the sanitary napkin 10 has a heat-shrinkable fiber layer 1d, and further comprises non-heat-shrinkable fibers made of non-heat-shrinkable fibers laminated on the heat-shrinkable fiber layer 1d. It has a layer 1u. In the fiber sheet 1A, the non-heat-shrinkable fiber layer 1u is disposed on the skin contact surface side, and the heat-shrinkable fiber layer 1d is disposed on the non-skin contact surface side.
  • the heat-shrinkable fiber layer 1d and the non-heat-shrinkable fiber layer 1u of the fiber sheet 1A are intermittently joined by a plurality of embossed portions 2. Specifically, in the fiber sheet 1A, the heat-shrinkable fiber layer 1d and the non-heat-shrinkable fiber layer 1u are partially bonded by a plurality of regularly arranged embossed portions 2 and bonded to each other.
  • the heat-shrinkable fibers of the heat-shrinkable fiber layer 1d on the contact surface side are formed by heat-shrinking. As shown in FIG.
  • the fiber sheet 1 ⁇ / b> A has a plurality of concave portions recessed by the embossed portion 2 embossed from the skin contact surface side of the non-heat-shrinkable fiber layer 1 u and a plurality of convex portions on the non-embossed non-embossed portion. Part 3 is formed.
  • each of the plurality of embossed portions 2 has a shape in which three rod-like bodies 20 a, 20 b, and 20 c extend from a center point 21 in a plan view, and is a so-called “Y-shaped” shape. It is.
  • the three rod-like bodies 20a and 20b in each embossed portion 2 have the same length from the intersection 21 in the fiber sheet 1A. The length is shorter than the other two rod-like bodies 20a and 20b.
  • the rod-like body 20c among the three rod-like bodies 20a, 20b, and 20c is arranged in parallel to the Y direction in the fiber sheet 1A.
  • Each embossed part 2 is provided separately in the X direction and the Y direction at regular intervals and separately.
  • the embossed portions 2 and 2 adjacent to each other in the X direction are arranged so as to be symmetric with respect to a virtual bisector ILy (see FIG. 6) extending in parallel to the Y direction in plan view.
  • the embossed portions 2 and 2 adjacent to each other in the Y direction are arranged so as to be symmetric with respect to a virtual bisector ILx (see FIG. 6) extending in parallel with the X direction in plan view.
  • Each embossed portion 2 has a density of 1 piece / cm 2 or more, preferably 2 pieces / cm 2 or more, from the viewpoint of enhancing the drawability and diffusibility of the liquid in the fiber sheet 1A and maintaining good touch, and 32 pieces / cm 2 or less, preferably 16 pieces / cm 2 or less, more specifically, preferably 1 piece / cm 2 or more and 32 pieces / cm 2 or less, and preferably 2 pieces / cm 2 or more and 16 pieces / cm 2. More preferably, it is 2 or less.
  • the intersection angle ⁇ 1 (see FIG. 6) between the rod-shaped body 20a and the rod-shaped body 20b is 10 from the viewpoint of reducing the contact area with the skin in the fiber sheet 1A, maintaining a good touch, and improving the visual impression. Or more, preferably 50 ° or more, and 170 ° or less, preferably 130 ° or less, more specifically 10 ° or more and 170 ° or less, and more preferably 50 ° or more and 130 ° or less. preferable.
  • the intersection angle ⁇ 1 is 110 °.
  • the intersection angle ⁇ 2 (see FIG.
  • ⁇ 2 is 95 ° or more, preferably 120 ° or more, and 175 ° or less, preferably 150 ° or less, more specifically 95 ° or more and 175 ° or less, and preferably 120 ° or more and 150 ° or less. More preferably it is.
  • the intersection angle ⁇ 2 ( ⁇ 3) is 125 °.
  • the sum of the intersection angle ⁇ 1, the intersection angle ⁇ 2, and the intersection angle ⁇ 3 is 360 °.
  • the two embossed portions 2, 2 arranged symmetrically with respect to the virtual bisector ILy adjacent to each other in the X direction have a rod shape that one embossed portion 2 has.
  • the rod-like body 20b of the body 20a and the other embossed portion 2 extends in an inclined manner in the same direction as viewed in plan.
  • the fiber sheet 1A as shown in FIG.
  • the rod-shaped body 20a and the rod-shaped body 20b of the other embossed portion 2 extend inclining in the same direction as viewed in plan.
  • the two long rod-like bodies 20a, 20b out of the three rod-like bodies 20a, 20b, 20c are improved in the drawability and diffusibility of the liquid in the fiber sheet, and from the viewpoint of emotionality
  • the length is 0.5 mm or more, preferably 0.7 mm or more and 5.0 mm or less, preferably 4.0 mm or less, more specifically 0.5 mm or more and 5.0 mm or less. More preferably, it is 0.7 mm or more and 4.0 mm or less.
  • the short rod-shaped body 20c is 0.2 mm or more, preferably 0.4 mm or more, and 4.8 mm or less from the viewpoint of improving the drawability and diffusibility of the liquid in the fiber sheet and improving the visual impression.
  • the thickness is preferably 4.5 mm or less, more specifically 0.2 mm or more and 4.8 mm or less, and further preferably 0.4 mm or more and 4.5 mm or less.
  • Each embossed part 2 has an area of one embossed part 2 of 1 mm 2 or more, preferably 1.5 mm 2 from the viewpoint of enhancing the drawability and diffusibility of the liquid in the fiber sheet 1A while maintaining a good touch. As described above, it is preferably 15 mm 2 or less, preferably 12 mm 2 or less, more specifically, 1 mm 2 or more and 15 mm 2 or less, more preferably 1.5 mm 2 or more and 12 mm 2 or less.
  • the fiber sheet of the present invention has a hemispherical high convex portion 32 having the highest height, a hemispherical low convex portion 33 having the lowest height, and a height higher than the high convex portion 32. And a plurality of hemispherical middle convex portions 31 having a height lower than that of the low convex portion 33.
  • the convex portion 3 of the fiber sheet 1 ⁇ / b> A has a hemispherical high convex portion 32, a hemispherical low convex portion 33, a hemispherical middle convex portion 31, and a semispherical portion. It consists of a columnar columnar convex portion 34, and a plurality of high convex portions 32, low convex portions 33, middle convex portions 31, and columnar convex portions 34 are arranged.
  • a plurality of middle convex portions 31 are arranged at intervals in the first direction (X direction), and a plurality of middle convex portions 31 are arranged in the first direction (X direction).
  • a plurality of first convex row 30La are arranged at intervals in the second direction (Y direction).
  • Each middle convex portion 31 is surrounded by two embossed portions 2 and 2.
  • the middle convex portion 31 of the convex portion 3 has a rod-like body 20a of each of the two embossed portions 2 and 2 adjacent to each other in the Y direction when the fiber sheet 1A is viewed in plan view. , 20b are formed in regions facing each other.
  • the middle convex portion 31 is regularly arranged in the X direction and the Y direction, and is surrounded by the long rod-like bodies 20 a and 20 b of the two embossed portions 2 and 2.
  • the three-dimensional dome structure has a hemispherical bulge on the skin contact surface side.
  • a plurality of high convex portions 32 are arranged at intervals in the first direction (X direction), and a plurality of high convex portions 32 are formed in the first direction (X direction).
  • the second convex row 30Lb is arranged alternately with the first convex row 30La in the second direction (Y direction), and each high convex portion 32 is surrounded by four middle convex portions 31. Yes.
  • Each high convex portion 32 is surrounded by four embossed portions.
  • the high convex portion 32 of the convex portion 3 includes two embossed portions 2 adjacent to each other in the X direction when the fiber sheet 1 ⁇ / b> A is viewed in plan view, and the two embossed portions.
  • Each of the four embossed portions 2 made up of two embossed portions 2 adjacent to each other in the Y direction is formed in a region where the long rod-shaped body 20b and the short rod-shaped body 20c face each other.
  • the high convex part 32 of the convex part 3 is formed in the area
  • the high convex portions 32 are regularly arranged in the X direction and the Y direction, and the rod-like bodies 20 a and 20 c or the rod-like bodies 20 b and 20 c of each of the four embossed portions 2.
  • the solid dome structure is long in the Y direction and is hemispherically raised on the skin contact surface side.
  • each of the plurality of low convex portions 33 includes a high convex portion 32 between the middle convex portions 31 adjacent in the first direction (X direction) and adjacent in the second direction (Y direction). It is arranged every time. As shown in FIG. 7, each low convex portion 33 is located at a position where the ends of the long rod-shaped bodies 20 a in the four embossed portions 2, or the tips of the long rod-shaped bodies 20 b in the four embossed portions 2 face each other. It is arranged. As shown in FIG.
  • the long bar-shaped body 20a of each of the four embossed parts 2 or the long bar-shaped body 20b of each of the four embossed parts 2 arranged in this way has an intersection angle 45 in the X direction and the Y direction. It extends along a straight line connecting the intersections 21 and 21 of the two embossed portions 2 and 2 adjacent to each other in the direction intersecting at an angle.
  • the low protrusions 33 are regularly arranged in the X direction and the Y direction, and the tips of the rod-like bodies 20 a or the tips of the rod-like bodies 20 b of the four embossed portions 2. It is a solid dome structure surrounded by, and is hemispherically raised to the skin contact surface side.
  • the low convex part 33 exists between the closest middle convex parts 31, and the first convex part row 30La is formed, so that the drawability of the liquid is improved and the good touch is maintained. There is an effect.
  • the plurality of semi-cylindrical columnar convex portions 34 are adjacent to each other between the high convex portions 32 adjacent to each other in the first direction (X direction) and in the second direction (Y direction). It is arranged at every interval between the middle convex portions 32.
  • each columnar convex portion 34 is formed in a region where the tips of the short rod-like bodies 20 c of the two embossed portions 2 adjacent in the Y direction face each other.
  • the columnar protrusions 34 are regularly arranged in the X direction and the Y direction, and in the vertical direction between the tips of the short rod-like bodies 20 c of the two embossed parts 2.
  • the semicircular bulge When viewed in cross-section in the longitudinal (Y direction) cross section, it bulges in a semicircular shape on the skin contact surface side, the semicircular bulge extends in the first direction (X direction), and is a semicylindrical shape that is long in the X direction Is formed.
  • the middle convex parts 31 adjacent to a 2nd direction (Y direction) will be the 1st direction (X direction).
  • Y direction the middle convex parts 31 adjacent to a 2nd direction
  • X direction the 1st direction
  • the virtual bisector ILx1 passes through an intermediate point between the middle convex portions 31 adjacent to each other in the second direction (Y direction), and a plurality of bisectors ILx1 arranged at intervals in the first direction (X direction). It is arranged over the columnar protrusions 34.
  • the pair of embossed portions 2, 2 and the pair of embossed portions 2, 2 are arranged in the Y direction.
  • a columnar convex portion 34 disposed between them is disposed.
  • the high convex portion 32 constituting the convex portion 3 of the fiber sheet 1A will be described in more detail.
  • the high convex portions 32 adjacent to each other in the first direction (X direction) are a pair of embossed portions. 2 and 2 are arranged.
  • An imaginary bisector ILy1 extending in parallel with the second direction (Y direction) passing through the intermediate point between the high convex portions 32 adjacent to each other in the first direction (X direction) is in the second direction (Y direction). It passes through the midpoints of the plurality of columnar convex portions 34 arranged at intervals, and is arranged over the rod-shaped bodies 20c in the plurality of embossed portions 2 arranged at intervals in the second direction (Y direction). .
  • the pair of embossed portions 2, 2 and the pair of embossed portions 2, 2 A columnar convex portion 34 disposed between them is disposed.
  • a fiber density gradient is imparted in the fiber sheet 1A to increase the drawability of the liquid, and the effect of reducing stickiness and stuffiness is achieved.
  • the height ha (see FIG. 10) at the apex of the middle convex portion 31 is 0.5 mm or more, preferably 1.0 mm or more, from the viewpoint of maintaining a good feel of the fiber sheet and reinforcing the density gradient of the fiber. 5.0 mm or less, preferably 3.0 mm or less, more specifically 0.5 mm or more and 5.0 mm or less, more preferably 1.0 mm or more and 3.0 mm or less.
  • the height ha of the middle convex portion 31 is also the height at the position corresponding to the center of gravity of the region where the rod-like bodies 20a, 20b of the two embossed portions 2 adjacent in the Y direction face each other.
  • the height ha is measured in the same manner as the fiber density ratio (1) of the fiber sheet 1A described later.
  • the rising angle ⁇ 4 (see FIG. 12) from the bottom surface of the middle convex portion 31 is a smooth absorber after menstrual blood is temporarily stocked. From the viewpoint of facilitating the drawing of menstrual blood to 13, it is preferably 50 ° or more, preferably 55 ° or more, and 65 ° or less, preferably 60 ° or less, more specifically 50 ° or more and 65 ° or less. More preferably, the angle is 55 ° or more and 60 ° or less.
  • the ridge angle ⁇ 4 is measured simultaneously with the measurement of the height ha.
  • the height hb (see FIG. 9) at the apex of the high convex portion 32 is 1.0 mm or more, preferably from the viewpoint of enhancing the good feel of the fiber sheet and enhancing the density of the fiber to enhance the drawability of the liquid. Is 1.5 mm or more and 7.0 mm or less, preferably 5.0 mm or less, more specifically 1.0 mm or more and 7.0 mm or less, more preferably 1.5 mm or more and 5.0 mm or less. More preferably.
  • the height hb of the high convex portion 32 is a region where the rod-like bodies 20b, 20c of the four embossed portions 2 face each other, or a region where the rod-like bodies 20a, 20c of the four embossed portions 2 face each other.
  • the height hb is measured in the same manner as the fiber density ratio (1) of the fiber sheet 1A described later.
  • the bulging angle from the bottom surface of the high convex portion 32 is from the viewpoint of making it difficult to leave menstrual blood at a portion that touches the skin even during a large amount of menstrual blood. 70 ° or more, preferably 75 ° or more, and 90 ° or less, preferably 85 ° or less, more specifically 70 ° or more and 90 ° or less, and more preferably 75 ° or more and 85 ° or less. Is more preferable.
  • the elevation angle is measured simultaneously with the measurement of the height hb.
  • the height hc (see FIG. 9) at the apex of the low convex portion 33 is 0.4 mm or more, preferably from the viewpoint of enhancing the good feel of the fiber sheet and enhancing the density of the fiber to enhance the drawability of the liquid. Is 0.8 mm or more and 4.5 mm or less, preferably 2.5 mm or less, more specifically 0.4 mm or more and 4.5 mm or less, preferably 0.8 mm or more and 2.5 mm or less. More preferably.
  • the height hc of the low convex portion 33 is a position corresponding to the center of gravity of the region where the tips of the rod-shaped bodies 20a in each of the four embossed portions 2 or the tips of the rod-shaped bodies 20b in each of the four embossed portions 2 face each other. It is also the height of.
  • the height hc is measured in the same manner as the fiber density ratio (1) of the fiber sheet 1A described later.
  • the rising angle from the bottom surface of the low convex portion 33 is from the viewpoint of making it difficult to leave menstrual blood at a portion that touches the skin even during a large amount of menstrual blood.
  • the elevation angle is measured simultaneously with the measurement of the height hc.
  • the height hd (see FIG. 12) at the apex of the columnar convex portion 34 is preferably 0.4 mm or more, from the viewpoint of enhancing the good feel of the fiber sheet and enhancing the density gradient of the fiber to enhance the drawability of the liquid. Is 0.8 mm or more and 4.5 mm or less, preferably 2.5 mm or less, more specifically 0.4 mm or more and 4.5 mm or less, preferably 0.8 mm or more and 2.5 mm or less. More preferably. As described above, in the fiber sheet 1 ⁇ / b> A, the height hd at the apex of the columnar protrusion 34 is substantially the same as the height hc of the low protrusion 33.
  • the height hd of the columnar convex portion 34 is also the height at the position corresponding to the center of gravity of the region where the rod-like bodies 20c, 20c of the two embossed portions 2 adjacent in the Y direction face each other.
  • the height hd is measured in the same manner as the fiber density ratio (1) of the fiber sheet 1A described later.
  • the interval between the embossed portions 2 adjacent in the first direction (X direction), in other words, the interval between the tips of the rod-like bodies 20a, 20b in each of the four embossed portions 2 surrounding the high convex portion 32 or the low convex portion 33 is From the viewpoint of enhancing the drawability and diffusibility of the liquid in the fiber sheet and improving the appearance and improving the emotion, 0.5 mm or more, preferably 1.0 mm or more, and 5.0 mm or less, preferably 4.0 mm or less, more specifically 0.5 mm or more and 5.0 mm or less is preferable, and 1.0 mm or more and 4.0 mm or less is still more preferable.
  • the thickness is 0.5 mm or more, preferably 1.0 mm or more, and 5.0 mm or less, preferably 4.0 mm or less, more specifically 0.5 mm or more and 5.0 mm or less. It is preferable that it is 1.0 mm or more and 4.0 mm or less.
  • the thickness is 0.5 mm or more, preferably 1.0 mm or more, and 5.0 mm or less, preferably 4.0 mm or less, more specifically 0.5 mm or more and 5.0 mm or less. It is preferable that it is 1.0 mm or more and 4.0 mm or less.
  • the convex portion 3 will be described in further detail. As shown in FIG. 3, the height increases in the order of the high convex portion 32 of the three-dimensional dome structure, the middle convex portion 31 of the three-dimensional dome structure, and the low convex portion 33 of the three-dimensional dome structure. In that order, the bottom area of each convex portion also increases.
  • the constituent fibers of the fiber sheet 1A are consolidated, and the height (thickness) of the topsheet 1 is the lowest (thin) compared to the unembossed portion. It has become. That is, the fiber density of the recessed part by the embossed part 2 is higher than the part which is not the embossed part 2, and is the highest in the fiber sheet 1A.
  • the constituent fibers may be melted and solidified to form a film.
  • the high convex portion 32 of the three-dimensional dome structure has a fiber density lower than the fiber density of each of the middle convex portion 31 and the low convex portion 33 of the three-dimensional dome structure. Is the lowest among the fiber sheets 1A.
  • the middle convex portion 31 of the three-dimensional dome structure has a fiber density lower than the fiber density of the low convex portion 33 of the three-dimensional dome structure, and the middle convex portion 31 particularly at the apex (reference point of the height ha). Is the lowest of all.
  • the low convex portion 33 of the three-dimensional dome structure has the lowest fiber density among the low convex portions 33 at the apex (the reference point of the height hc).
  • the fiber density at the apex of the high convex portion 32 is the fiber density at the apex of the intermediate convex portion 31 (reference point of height ha) and the apex (height of the low convex portion 33).
  • the fiber density at the vertex of the middle convex portion 31 is lower than the fiber density at the reference point of hc, and the fiber density at the vertex of the low convex portion 33 (reference point of the height hc). It is lower than the density.
  • the ratio (db / da) of the fiber density db at the vertex (reference point of height hb) of the high convex portion 32 to the fiber density da at the vertex (reference point of height ha) of the middle convex portion 31 was excreted. From the viewpoint of enhancing the drawing-in property of the body fluid, 1.2 times or more, preferably 1.5 times or more, and 3.0 times or less, preferably 2.5 times or less, more specifically 1.2 times. The ratio is preferably 3.0 times or more and more preferably 1.5 times or more and 2.5 times or less.
  • the ratio (db / dc) of the fiber density db at the apex of the high convex portion 32 (reference point of height hb) to the fiber density dc at the apex of the low convex portion 33 (reference point of height hc) was excreted. From the viewpoint of enhancing the drawing-in property of the body fluid, 1.2 times or more, preferably 1.5 times or more, and 3.0 times or less, preferably 2.5 times or less, more specifically 1.2 times. The ratio is preferably 3.0 times or more and more preferably 1.5 times or more and 2.5 times or less.
  • the ratio (da / dc) of the fiber density da at the vertex (reference point of height ha) of the middle convex portion 31 to the fiber density dc at the vertex (reference point of height hc) of the low convex portion 33 was excreted. From the viewpoint of enhancing the drawing-in property of the body fluid, 1.2 times or more, preferably 1.5 times or more, and 3.0 times or less, preferably 2.5 times or less, more specifically 1.2 times. The ratio is preferably 3.0 times or more and more preferably 1.5 times or more and 2.5 times or less.
  • the ratio of the fiber density of the fiber sheet 1A can be measured using one of the two methods (1) and (2) described below. (1) When the basis weight of the fiber sheet 1A is substantially uniform (uniform) (or can be determined to be substantially uniform), the height (thickness) of the cut surface of the fiber sheet 1A is measured. (2) When the basis weight of the fiber sheet 1A is non-uniform (or can be determined to be non-uniform), the average distance between fibers on the cut surface of the fiber sheet 1A is measured.
  • the determination as to whether the basis weight of the fiber sheet 1A is substantially uniform is performed as follows.
  • 10 or more cut samples having a size of 10 cm in the Y direction and 10 cm in the X direction are taken out from the fiber sheet 1A and each basis weight is measured, the triple value (3 ⁇ ) of the standard deviation ⁇ is within 10% of the average ⁇ . If there is no fiber unevenness on the appearance, it is judged to be substantially uniform. However, it is preferable to make a comprehensive judgment in consideration of various factors such as the composition being different in a minute region.
  • a sample for measuring the high convex portion 32 is created by cutting along a straight line passing through the center of gravity (vertex) of the high convex portion 32 of the solid dome structure and the two embossed portions 2 at both ends.
  • a sample for measuring the middle convex portion 31 is created by cutting along a straight line passing through the center of gravity (vertex) of the middle convex portion 31 of the three-dimensional dome structure and the two embossed portions 2 at both ends.
  • a sample for measuring the low convex portion 33 is created by cutting along a straight line passing through the center of gravity (vertex) of the low convex portion 33 of the three-dimensional dome structure and the two embossed portions 2 at both ends. At this time, care should be taken not to cause a decrease in the height of each measurement sample due to cutting.
  • each measurement sample obtained was measured using an electron microscope JCM-5100 manufactured by JEOL Ltd. under the conditions of a sputtering time of 30 seconds (Pt) and an acceleration voltage of 10 KV. At least one of the embossed portions 2 is photographed, or a situation where the embossed portions 2 can be understood by combining a plurality of images is measured, and the height (thickness) of each measurement sample is measured from the photographed images. Note that the image measurement may be performed using either a printed matter or a PC screen.
  • the height hb (thickness) of the central portion of the sample for measuring the high convex portion 32 is divided by the height ha (thickness) of the central portion of the sample for measuring the middle convex portion 31 to obtain the density.
  • the ratio is (db / da).
  • the density ratio (db / dc) is obtained by dividing the height hb (thickness) of the central portion of the sample for measuring the high convex portion 32 by the height hc (thickness) of the central portion of the sample for measuring the low convex portion 33.
  • the ratio of the density (da / dc) by dividing the height ha (thickness) of the central portion of the sample for measuring the middle convex portion 31 by the height hc (thickness) of the central portion of the sample for measuring the low convex portion 33.
  • the cross section is measured in the same manner as in the method (1).
  • the cross section of each measurement sample is photographed at an enlargement magnification of 500 to 1000 times.
  • the image analysis device (NEWQUABE ver. 4.20 manufactured by NEXT) Is used to find the distance between the nearest centers of gravity of the fibers.
  • measurement is performed almost entirely in the height (thickness) direction, and the closest distance between the centers of gravity is not caused to overlap.
  • the distance ratio between the nearest centroids at the center of the sample for measuring the high convex portion 32 is divided by the distance between the nearest centroids at the center of the sample for measuring the middle convex portion 31 ( In addition, the distance ratio between the nearest centroids at the center of the sample for measuring the high convex portion 32 is divided by the distance between the nearest centroids at the center of the sample for measuring the low convex portion 33.
  • the distance ratio between the nearest centroids of the center portion of the sample for determining the middle convex portion 31 is divided by the distance between the nearest centroids of the center portion of the sample for measuring the low convex portion 33. (Da / dc).
  • a material for forming the sanitary napkin 10 using the above-described fiber sheet of the present invention as a top sheet will be described.
  • the forming material of the fiber sheet 1A used for the top sheet will be described.
  • the non-heat-shrinkable fiber layer 1u made of non-heat-shrinkable fibers for example, a web formed by a card method or a bulky nonwoven fabric is preferably used.
  • a bulky nonwoven fabric from the viewpoint that it is possible to give the fiber sheet 1A a desired density gradient, and it is possible to bring a good texture to the fiber sheet 1A, an air-through nonwoven fabric, an airlaid nonwoven fabric, A resin bond nonwoven fabric is preferably used.
  • the web formed by the card method is a fiber assembly in a state before being made into a nonwoven fabric. That is, a fiber assembly in a state where fibers are extremely loosely entangled in a state where a post-processing applied to a card web used for manufacturing a nonwoven fabric, for example, a heat-sealing process by an air-through method or a calendar method is not performed. It is the body.
  • a web formed by the card method is used as the non-heat-shrinkable fiber layer 1u, the non-heat-shrinkable fiber layer 1u and the heat-shrinkable fiber layer 1d are joined simultaneously or after being joined, and then the non-heat-shrinkable fiber layer 1u. Heat-bond the fibers inside.
  • non-heat-shrinkable fiber that is a constituent fiber of the non-heat-shrinkable fiber layer 1u, if it is a fiber that does not substantially have heat-shrinkability or has a higher heat-shrink temperature than the lower layer (heat-shrinkable fiber layer).
  • the basis weight of the non-heat-shrinkable fiber layer 1u is 10 g / m 2 or more, preferably 15 g / m 2 or more, and 50 g / m 2 from the viewpoint of forming a sufficient density gradient and improving the touch of the surface sheet 1.
  • m 2 or less preferably 40 g / m 2 or less, more specifically 10 g / m 2 or more and 50 g / m 2 or less, more preferably 15 g / m 2 or more and 40 g / m 2 or less.
  • heat-shrinkable fiber layer 1d containing heat-shrinkable fibers a web formed by a card method or a non-woven fabric having heat-shrinkability can be used.
  • the heat-shrinkable fibers of the constituent fibers of the heat-shrinkable fiber layer 1d those made of a thermoplastic polymer material and having heat-shrinkability are preferably used. Examples of such fibers include latently crimpable fibers.
  • the latent crimpable fiber can be handled in the same manner as a conventional nonwoven fabric fiber before being heated, and has a property that a helical crimp is developed and contracted by heating at a predetermined temperature. Fiber.
  • the content ratio of the heat-shrinkable fiber in the heat-shrinkable fiber layer 1d is preferably 40% by mass or more and 100% by mass or less.
  • the latent crimpable fiber which is a heat-shrinkable fiber
  • the latent crimpable fiber is composed of, for example, an eccentric core-sheath type or side-by-side type composite fiber composed of two types of thermoplastic polymer materials having different shrinkage rates. Examples thereof include those described in JP-A-9-296325 and Japanese Patent No. 2759331.
  • the heat-shrinkable fiber layer 1d includes, for example, such latently crimpable fibers, and simultaneously or after heat fusion with the non-heat-shrinkable fiber layer 1u, causes the fibers to crimp. Can be shrunk.
  • the basis weight of the heat-shrinkable fiber layer 1d is 10 g / m 2 or more, preferably 15 g / m 2 or more, and 50 g / m 2 or less, preferably 40 g / m 2 or less, more specifically 10 g / m 2. It is preferably 50 g / m 2 or more, more preferably 15 g / m 2 or more and 40 g / m 2 or less.
  • a fiber sheet 1A according to an embodiment of the present invention has, for example, a non-heat-shrinkable fiber layer 1u containing non-heat-shrinkable fibers as an upper layer and a heat-shrinkable fiber layer 1d made of heat-shrinkable fibers before shrinking as a lower layer.
  • a non-heat-shrinkable fiber layer 1u containing non-heat-shrinkable fibers as an upper layer
  • a heat-shrinkable fiber layer 1d made of heat-shrinkable fibers before shrinking as a lower layer.
  • non-heat-shrinkable fiber layer 1u and the heat-shrinkable fiber layer 1d are intermittently bonded and integrated by the embossed portion 2, when the heat-shrinkable fiber layer 1d is heat-shrinked, the non-heat-shrinkable fiber layer 1u is entangled. Distortion occurs when trying to shrink. This distortion protrudes in a convex shape toward the non-heat-shrinkable fiber layer 1u, and a plurality of three-dimensional dome-shaped convex portions 3 are formed.
  • the bonding (heat fusion) by the embossed part 2 is, for example, a plurality of substantially Y to correspond to the arrangement of the embossed part 2 in a shape in which the three rod-like bodies 20a, 20b, 20c extend from the center point 21.
  • An embossed surface in which letter-shaped embossed pins are arranged in a predetermined pattern is disposed on the non-heat-shrinkable fiber layer 1u side in the laminate of the non-heat-shrinkable fiber layer 1u and the heat-shrinkable fiber layer 1d.
  • the non-heat-shrinkable fiber layer 1u and the heat-shrinkable fiber layer 1d are melted at the portions heat-pressed by the embossed spins.
  • the heat shrinkage of the heat-shrinkable fiber layer 1d is, for example, that the heat-shrinkable fiber layer 1d is composed of only one or more kinds of heat-shrinkable fibers, or one or more kinds of heat-shrinkable in the heat-shrinkable fiber layer 1d.
  • the fibers are contained, and the non-heat-shrinkable fiber layer 1u and the heat-shrinkable fiber layer 1d are bonded together or after the non-heat-shrinkable fiber layer 1u and the heat-shrinkable fiber layer 1d are bonded together, the heat-shrinkable fiber layer 1d Is carried out by heat treatment.
  • the area surrounded by the rod-like bodies 20a and 20c or the rod-like bodies 20b and 20c of the four embossed portions 2 is the widest area as shown in FIG. It is difficult to be restrained by the embossed portion 2, and is easily raised into a three-dimensional dome structure, resulting in a high convex portion 32. Further, as shown in FIG. 7, the regions where the tips of the rod-like bodies 20a in each of the four embossed portions 2 or the tips of the rod-like bodies 20b of each of the four embossed portions 2 face each other are narrow.
  • the three-dimensional dome-structured bulge is suppressed by the four embossed portions 2, so that the low convex portion 33 having the lowest height is obtained.
  • the region where the rod-like bodies 20 a and 20 b of the two embossed portions 2 adjacent in the Y direction face each other is narrower than the region that becomes the high convex portion 32, but becomes the low convex portion 33. Since it is wider than the region, the three-dimensional dome structure-like bulge is slightly suppressed, and the middle convex portion 31 is lower than the high convex portion 32 and higher than the low convex portion 33.
  • the fiber sheet 1 ⁇ / b> A has a plurality of concave portions (embossed portions 2) and a plurality of convex portions 3 (a plurality of high convex portions 32 and a plurality of middle convex portions 31 over the entire area.
  • a plurality of low convex portions 33 and a plurality of columnar convex portions 34) are formed.
  • the fiber sheet 1A formed by bonding the non-heat-shrinkable fiber layer 1u and the heat-shrinkable fiber layer 1d by the method described above has a basis weight of 20 g / m 2 or more, preferably 35 g / m 2 or more, and 100 g / m m 2 or less, preferably 80 g / m 2 or less, more specifically 20 g / m 2 or more and 100 g / m 2 or less, more preferably 35 g / m 2 or more and 80 g / m 2 or less. .
  • the absorber 13, and the side sheet 14 that constitute the absorbent main body 11 are used without particular limitation. be able to.
  • the back sheet 12 a liquid-impermeable or water-repellent resin film, a laminate of a resin film and a nonwoven fabric, or the like can be used.
  • the absorbent body 13 an aggregate of fibers such as pulp fibers (which may be a nonwoven fabric) or an absorbent core in which water-absorbing polymer particles are held by the absorbent core 13 is made of water-permeable thin paper or nonwoven fabric. Those coated with a core wrap sheet can be used.
  • the side sheet 14 the same sheet as the back sheet 3 can be used.
  • adhesive means used for absorbent articles such as disposable diapers
  • fusion means such as heat embossing, ultrasonic embossing, high frequency embossing, etc. Is used.
  • the fiber sheet 1 ⁇ / b> A includes a plurality of high convex portions 32 having the highest height, a plurality of middle convex portions 31 having a height lower than that of the high convex portions 32, and a plurality of low protrusions having the lowest height. And a convex portion 33. Therefore, when the sanitary napkin 10 is worn, the high convex portion 32 comes into contact with the skin, but the middle convex portion 31 and the low convex portion 33 arranged between the high convex portions 32 are hard to come into contact with the skin.
  • 1 A of fiber sheets of 1st Embodiment can further reduce a contact area with a wearer's skin, and can reduce the damage to skin.
  • the contact area between the fiber sheet 1A and the wearer's skin is preferably 45% or less, particularly 42% or less, for the above reasons, and the lower limit is preferably 25% or more, particularly preferably 30% or more.
  • the fiber sheet 1 ⁇ / b> A has a plurality of two kinds of middle convex portions 31 and low convex portions 33 each having a height lower than that of the high convex portion 32. Accordingly, when the sanitary napkin 10 is worn, even if pressure is applied and the high convex portion 32 is crushed and the middle convex portion 31 comes into contact with the skin, the lowest low convex portion 33 is unlikely to come into contact with the skin. . Therefore, when the fiber sheet 1A is used as the top sheet, even when pressure is applied when the sanitary napkin 10 is worn, the contact area with the wearer's skin can be reduced, and the sticky feeling can be reduced. .
  • each high convex portion 32 is surrounded by four middle convex portions 31, and each low convex portion 33 is adjacent to the middle convex portion in the X direction. This is particularly noticeable in the shape arranged between the portions 31 and between the high convex portions 32 adjacent in the Y direction.
  • the absorption performance of body fluid can improve the feeling of stickiness and stuffiness and reduce the damage to the skin.
  • the fiber sheet 1A is formed by arranging the non-heat-shrinkable fiber layer 1u on the skin contact surface side and the heat-shrinkable fiber layer 1d on the non-skin contact surface side. . Therefore, the excreted body fluid is drawn from the skin contact surface side to the non-skin contact surface side by the capillary force, and is quickly transferred to produce a sag reduction effect.
  • the fiber sheet 1A has a large convex portion 32, a middle convex portion 31, and a small convex portion 33, each having a different apex height, which are regularly arranged. Play.
  • fiber sheet 1B a fiber sheet (hereinafter also referred to as “fiber sheet 1B”) as a second embodiment of the fiber sheet of the present invention will be described with reference to FIG.
  • fiber sheet 1B of 2nd Embodiment a different point from the fiber sheet 1A of 1st Embodiment is demonstrated.
  • the points that are not particularly described are the same as those of the fiber sheet 14A, and the description of the fiber sheet 1A is appropriately applied.
  • the three rod-like bodies 20a, 20b, 20c have the same length from the intersection 21, and are formed in the same size. They are formed in the same rectangular shape in plan view.
  • the rod-like bodies 20a, 20b, 20c have a length of 0.5 mm or more, preferably 0.7 mm or more, from the viewpoint of enhancing the drawability and diffusibility of the liquid in the fiber sheet 1A and enhancing the appearance impression.
  • each middle convex portion 31 is surrounded by two long rod-like bodies 20a and 20b in the two embossed portions 2, respectively.
  • the middle convex portion 31 of the convex portion 3 is a long bar-like body of each of the two embossed portions 2 and 2 adjacent to each other in the Y direction when the fiber sheet 1B is viewed in plan view.
  • 20a and 20b are formed in a region where each other faces each other.
  • each high convex portion 32 is surrounded by one rod-like body 20a, 20b and one rod-like body 20c in each of the four embossed portions 2.
  • the high convex portion 32 of the convex portion 3 includes two embossed portions 2 adjacent to each other in the X direction when the fiber sheet 1 ⁇ / b> B is viewed in plan view, and the two embossed portions.
  • Each of the four embossed portions 2 formed of two embossed portions 2 adjacent to each other in the Y direction is formed in a region where the rod-shaped bodies 20b and the rod-shaped bodies 20c face each other.
  • the high convex part 32 of the convex part 3 is formed in the area
  • each low convex part 33 is distribute
  • each of the low convex portions 33 is provided between the tips of the rod-like bodies 20 a in each of the four embossed portions 2 or between the tips of the rod-like bodies 20 b in each of the four embossed portions 2.
  • the lengths of the three rod-like bodies 20a, 20b, 20c are the same as each other, and the rod-like bodies 20a, 20c or the rod-like shapes of the four embossed portions 2 are respectively. Since the region surrounded by the bodies 20b and 20c is elongated in the Y direction, the high convex portion 32 has a three-dimensional dome structure that is long in the Y direction due to heat shrinkage, and is hemispherically raised in the skin contact surface side and long in the Y direction. It is formed in a shape.
  • the effect at the time of using the fiber sheet 1B of 2nd Embodiment of this invention mentioned above as a surface sheet of a sanitary napkin is demonstrated.
  • a different point from the effect of the fiber sheet 1A is demonstrated.
  • the point which is not demonstrated in particular is the same as the effect of the fiber sheet 1A, and the description of the effect of the fiber sheet 1A is appropriately applied.
  • the forming material of the fiber sheet 1B it is the same as that of the forming material of the fiber sheet 1A.
  • the fiber sheet 1 ⁇ / b> B is formed such that the high convex portion 32 of the three-dimensional dome structure, the middle convex portion 31 of the three-dimensional dome structure, and the low convex portion 33 of the three-dimensional dome structure are all raised in a hemispherical shape.
  • the high convex portion 32 is formed in a hemispherical shape that is long in the Y direction, it has an effect of maintaining a good touch on the fiber sheet.
  • the fiber sheet of the present invention is not limited to the fiber sheet 1A of the first embodiment and the fiber sheet 1B of the second embodiment, and can be appropriately changed. Moreover, each component in the fiber sheet 1A and the fiber sheet 1B described above can be appropriately combined and implemented within a range that does not impair the gist of the present invention.
  • the above-described fiber sheets 1A and 1B have a two-layer structure formed by disposing the non-heat-shrinkable fiber layer 1u on the skin contact surface side and the heat-shrinkable fiber layer 1d on the non-skin contact surface side.
  • it may be a one-layer structure including only the heat-shrinkable fiber layer 1d.
  • a non-heat-shrinkable fiber layer 1u may be laminated on both surfaces of the heat-shrinkable fiber layer 1d to form a three-layer structure.
  • the rod-like bodies 20a, 20b, and 20c are all rectangles composed of straight lines.
  • a curved shape may be adopted. good.
  • an embossed shape like a human character can be mentioned.
  • the above-mentioned intersection angle ⁇ 1 is the angle formed by two imaginary lines drawn from the inner intersection portion p of the rod-like bodies 20a ′ and 20b ′ toward the respective vertices
  • ⁇ 2, ⁇ 3 is an angle formed by an imaginary line drawn from the intersection point p toward the rod-shaped body 20c ′ and each of the aforementioned imaginary lines.
  • the preferred angle is as described above.
  • the length of the rod-shaped body 20c ′ is the length from the intersection point p to the vertex of the rod-shaped body 20c ′.
  • the fiber sheet of the present invention may be used as a top sheet for absorbent articles used for absorbing bodily fluids discharged from the human body, such as disposable diapers and incontinence pads, in addition to being used as a top sheet for sanitary napkins. .
  • the fiber sheet of this invention can also be used for the sheet
  • the fiber sheet of the present invention when used for a cleaning sheet, a plurality of high convex portions 32 having the highest height, a plurality of middle convex portions 31 having a height lower than the high convex portion 32, and the most For example, when the floor is cleaned, dust, hair, fine house dust and the like are scraped off by the high convex portion 32 and then the plurality of middle convex portions 31 are provided. And since dust is stocked firmly in the low convex part 33, there exists an effect which can collect sufficient quantity of garbage.
  • a fiber sheet having a heat-shrinkable fiber layer containing heat-shrinkable fibers and having a plurality of embossed portions, the highest hemispherical high convex portion, and the highest height Each having a plurality of hemispherical low convex portions and a hemispherical middle convex portion having a height lower than that of the high convex portion and higher than that of the low convex portion.
  • a plurality of first protrusions arranged in the first direction at intervals, and a plurality of the middle protrusions arranged in the first direction are arranged in a second direction perpendicular to the first direction.
  • a plurality of high convex portions are arranged at intervals in the first direction, and a plurality of high convex portions are arranged at intervals in the first direction, and a plurality of the high convex portions are formed in the first direction.
  • Each of the plurality of embossed portions has a shape in which three rod-shaped bodies extend from an intersection in plan view, and each of the middle convex portions is surrounded by the two embossed portions, Each of the high convex portions is surrounded by the four embossed portions, and each of the low convex portions is arranged at a position where the tips of the rod-shaped bodies of the four embossed portions face each other.
  • the three rod-shaped bodies of the embossed portion are composed of two long long rod-shaped bodies and one short short-shaped body, and each of the middle convex portions is 2 in each of the two embossed portions.
  • Each of the high convex portions is surrounded by one long rod-like body and one short rod-like body in each of the four embossed portions
  • the said low convex part is a fiber sheet as described in said [2] distribute
  • the middle convex portions adjacent to each other in the second direction are arranged via a pair of the embossed portions arranged symmetrically with respect to a virtual bisector extending in parallel to the first direction.
  • the fiber sheet according to [2] or [3], wherein the high convex portions adjacent to each other in the first direction are arranged via a pair of the embossed portions.
  • the density of the embossed portions is from 1 piece / cm 2 to 32 pieces / cm 2 , and the distance between the embossed portions adjacent in the first direction is from 0.5 mm to 5 mm.
  • the fiber sheet according to any one of [4] to [4].
  • a non-heat-shrinkable fiber layer made of non-heat-shrinkable fibers laminated on the heat-shrinkable fiber layer, wherein the heat-shrinkable fiber layer and the non-heat-shrinkable fiber layer are intermittently formed by the plurality of embossed portions.
  • a top sheet of an absorbent article comprising the fiber sheet according to any one of [1] to [17].
  • An absorbent article comprising the topsheet according to [18] or [19].
  • the absorbent article according to [20] including an absorbent main body including the top sheet, the back sheet, and an absorbent body disposed between the sheets.
  • Each of the top sheet and the back sheet covers the entire surface of the absorbent body on the skin contact surface side and the entire surface of the non-skin contact surface side, and extends from the periphery of the absorbent body
  • a pair of side sheets are arranged on both sides along the longitudinal direction of the article, and the top sheet has a lateral length shorter than the lateral length of the back sheet.
  • a pair of wing portions are provided that extend outward in the article lateral direction over the entire side portion along the article longitudinal direction of the surface sheet.
  • a card web having a basis weight of 18 g / m 2 is manufactured by a card method using a core-sheath composite fiber [NBF (SH) (trade name), 2.2 dtex ⁇ 51 mm] manufactured by Daiwa Boseki Co., Ltd. as an upper layer.
  • NVF core-sheath composite fiber
  • the core-sheath type composite fiber has polyethylene terephthalate as a core component and polyethylene as a sheath component.
  • a card web having a basis weight of 22 g / m 2 is manufactured by a card method using a heat shrinkable fiber [L (V) (trade name), 2.2 dtex ⁇ 51 mm] of Daiwabo Co., Ltd. as a raw material. Used as the shrinkable fiber layer 1d.
  • Example 1 The fiber sheet shown in FIG. 4 was produced.
  • the shape of the embossed portion 2 is a Y-shape composed of two rod-like bodies 20a, 20b having a long length from the center point 21 and one rod-like body 20c having a short length. It embossed and adhered by the pattern shown in FIG. 4 from the upper layer side of the laminated body which laminated
  • the fiber sheet which has the high convex part 32 of the dome structure, the middle convex part 31, and the low convex part 33 was produced.
  • the embossed portions 2 are arranged at 6 pieces / cm 2 , and the closest distance between two adjacent embossed portions 2 in the first direction (X direction) of the fiber sheet 1 after heat shrinkage is 1.1 mm.
  • the area of the embossed part 2 was 3.9 mm 2 .
  • the length of the rod-shaped bodies 20a and 20b from the center point 21 was 2.8 mm, and the length of the rod-shaped body 20c was 0.85 mm.
  • the height hb of the high convex portion 32 was 2.3 mm
  • the height ha of the middle convex portion 31 was 1.3 mm
  • the height hc of the low convex portion 33 was 0.8 mm.
  • the intersection angle ⁇ 1 between the rod-shaped body 20a and the rod-shaped body 20b is 110 °
  • the intersection angle ⁇ 2 between the rod-shaped body 20a and the rod-shaped body 20c is 125 °
  • the intersection angle ⁇ 3 between the rod-shaped body 20b and the rod-shaped body 20c is 125 °. there were.
  • Example 2 The fiber sheet shown in FIG. 13 was produced.
  • the shape of the embossed portion 2 is a Y-shape in which three rod-like bodies 20a, 20b, and 20c extend from the center point 21 with the same length, and are on the heat-shrinkable fiber layer 1d.
  • Emboss bonding was performed in the pattern shown in FIG. 13 from the upper layer side of the laminated body in which the non-heat-shrinkable fiber layers 1u were overlapped.
  • hot air was passed under the same conditions as in Example 1 to produce a fiber sheet having a large number of high convex portions 32, middle convex portions 31 and low convex portions 33 having a three-dimensional dome structure.
  • the embossed portions 2 are arranged at 4 pieces / cm 2 , and the closest distance between two adjacent embossed portions 2 in the first direction (X direction) of the fiber sheet 1 after heat shrinkage is 1.1 mm, The area of the embossed part 2 was 4.7 mm 2 .
  • the lengths of the rod-like bodies 20a, 20b, and 20c were 2.8 mm.
  • the height hb of the high convex part 32 was 2.4 mm
  • the height ha of the middle convex part 31 was 1.2 mm
  • the height hc of the low convex part 33 was 0.8 mm.
  • intersection angle ⁇ 1 between the rod-shaped body 20a and the rod-shaped body 20b is 110 °
  • intersection angle ⁇ 2 between the rod-shaped body 20a and the rod-shaped body 20c is 125 °
  • the intersection angle ⁇ 3 between the rod-shaped body 20b and the rod-shaped body 20c is 125 °. there were.
  • FIG. 14 A fiber sheet 100A shown in FIG. 14 was produced.
  • the embossed portion 200 has a circular shape, and is embossed and bonded in the pattern shown in FIG. 14 from the upper layer side of the laminate in which the non-heat-shrinkable fiber layer 1u is superimposed on the heat-shrinkable fiber layer 1d.
  • a portion to be an octagonal large convex portion 320 surrounded by eight embossed portions 200 and a portion to be a quadrangular small convex portion 330 surrounded by four embossed portions 200 were formed.
  • hot air 110 ° C. ⁇ 10 ° C.
  • the embossed portions 200 are arranged at 5.5 pieces / cm 2, the distance between two adjacent embossed portions 200 at the shortest distance of the fiber sheet 100A after heat shrinkage is 1.1 mm, and the area of the embossed portion 200 is 3.1 mm 2 .
  • the captured image is analyzed using Keyence's shape analysis application KS-Analyzer, and the part that has changed in the thickness direction under a load of 6.25 gf / cm 2 from the unloaded state is extracted and binarized.
  • KS-Analyzer Keyence's shape analysis application
  • an image of a portion in contact with the skin at the time of wearing was obtained.
  • This image was printed with a printer and loaded into a computer.
  • the center of the sample is used, and two [Sunlight SL-230K2; manufactured by LPL Co., Ltd.] are used as light sources, and a CD camera (HV-37; manufactured by Hitachi Electronics Co., Ltd.).
  • a lens (Nikon Ai AF Nicol 24mmF2.8D) are connected by an F mount, an image is captured and processed using a Nexus NewQube (Ver. 4.22), and the contact area is measured.
  • the “contact area ratio” was calculated by dividing by the area.
  • the acrylic plate with a cylinder was removed, and 16 sheets of absorbent paper (commercially available tissue paper) having a length of 6 cm ⁇ width of 9.5 cm and a basis weight of 13 g / m 2 were placed on the surface of the fiber sheet. Further, a weight was placed thereon so that the pressure was 4.0 ⁇ 10 2 Pa, and pressure was applied for 5 seconds. After pressurization, the absorbent paper was taken out, the weight of the paper before and after pressurization was measured, and the weight of defibrinated horse blood absorbed by the paper was measured to determine the remaining amount of surface liquid.
  • absorbent paper commercially available tissue paper
  • the fiber sheet of Examples 1 and 2 has a lower contact area with the skin than the fiber sheet of Comparative Example 1. Therefore, when the fiber sheets of Examples 1 and 2 are used as, for example, a surface sheet of an absorbent article, an effect of further reducing stickiness and stuffiness and reducing damage to the skin can be expected. In addition, the fiber sheets of Examples 1 and 2 have a lower surface liquid amount than the fiber sheet of Comparative Example 1. Therefore, when the fiber sheets of Examples 1 and 2 are used for, for example, the surface sheet of an absorbent article, the surface liquid returnability is low, so that stickiness and stuffiness can be further reduced and damage to the skin can be reduced.
  • the contact area with the wearer's skin is further reduced, and stickiness and stuffiness are further reduced, thereby reducing damage to the skin. be able to.

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Nonwoven Fabrics (AREA)
PCT/JP2013/071044 2012-09-28 2013-08-02 繊維シート WO2014050310A1 (ja)

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CN108601691A (zh) * 2016-02-10 2018-09-28 大王制纸株式会社 垫型一次性尿布
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PL3239378T3 (pl) 2016-04-29 2019-07-31 Reifenhäuser GmbH & Co. KG Maschinenfabrik Urządzenie i sposób do wytwarzania włóknin z włókien ciągłych
JP6271657B1 (ja) * 2016-08-09 2018-01-31 花王株式会社 吸収性物品用の表面シート
CN116200883A (zh) * 2019-03-18 2023-06-02 宝洁公司 表现出高视觉分辨率的成型非织造布
WO2023188404A1 (ja) * 2022-03-31 2023-10-05 ユニ・チャーム株式会社 不織布、及び当該不織布の製造方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04327255A (ja) * 1991-04-26 1992-11-16 Nippon Filcon Co Ltd 突起を設けた不織布製造用ベルト及び模様を形成した不織布の製造方法
JP2001020168A (ja) * 1999-07-05 2001-01-23 Kao Corp 圧縮回復性シート及びその製造方法並びにそれを用いた吸収性物品
JP2004113489A (ja) * 2002-09-26 2004-04-15 Asahi Kasei Fibers Corp 柔軟な衛生材料用不織布及び使い捨て衛生材料
JP2009201964A (ja) * 2007-12-28 2009-09-10 Kao Corp 賦形シート及びこれを用いた吸収性物品

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004029349A1 (ja) * 2002-09-26 2004-04-08 Asahi Kasei Fibers Corporation スパンボンド系不織布及び衛生材料
CN101790606B (zh) * 2007-08-28 2012-09-05 花王株式会社 赋形片材及使用了该赋形片材的吸收性物品
TW200951264A (en) * 2008-06-06 2009-12-16 Kang Na Hsiung Entpr Co Ltd Nonwoven embossing device and nonwoven with two-sided repousse
JP5268662B2 (ja) * 2009-01-09 2013-08-21 花王株式会社 吸収性物品の表面シート

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04327255A (ja) * 1991-04-26 1992-11-16 Nippon Filcon Co Ltd 突起を設けた不織布製造用ベルト及び模様を形成した不織布の製造方法
JP2001020168A (ja) * 1999-07-05 2001-01-23 Kao Corp 圧縮回復性シート及びその製造方法並びにそれを用いた吸収性物品
JP2004113489A (ja) * 2002-09-26 2004-04-15 Asahi Kasei Fibers Corp 柔軟な衛生材料用不織布及び使い捨て衛生材料
JP2009201964A (ja) * 2007-12-28 2009-09-10 Kao Corp 賦形シート及びこれを用いた吸収性物品

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KR102454298B1 (ko) 2014-11-19 2022-10-14 다이오 페이퍼 코퍼레이션 흡수성 물품의 제조 방법 및 흡수성 물품
US11141324B2 (en) 2014-11-19 2021-10-12 Daio Paper Corporation Method for manufacturing absorbent article and absorbent sanitary article
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JP5875157B2 (ja) 2016-03-02

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