WO2016204132A1 - Élément femelle pour fermeture par contact - Google Patents

Élément femelle pour fermeture par contact Download PDF

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Publication number
WO2016204132A1
WO2016204132A1 PCT/JP2016/067613 JP2016067613W WO2016204132A1 WO 2016204132 A1 WO2016204132 A1 WO 2016204132A1 JP 2016067613 W JP2016067613 W JP 2016067613W WO 2016204132 A1 WO2016204132 A1 WO 2016204132A1
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WO
WIPO (PCT)
Prior art keywords
female member
hook
loop
nonwoven fabric
surface fastener
Prior art date
Application number
PCT/JP2016/067613
Other languages
English (en)
Japanese (ja)
Inventor
翔 内田
生島　伸祐
公平 武田
宗重 中川
Original Assignee
日東電工株式会社
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
Priority claimed from JP2016115122A external-priority patent/JP6735156B2/ja
Application filed by 日東電工株式会社 filed Critical 日東電工株式会社
Priority to CN201680035975.5A priority Critical patent/CN107708470B/zh
Priority to EP16811606.9A priority patent/EP3311688B1/fr
Priority to RU2018101880A priority patent/RU2698845C2/ru
Priority to PL16811606T priority patent/PL3311688T3/pl
Publication of WO2016204132A1 publication Critical patent/WO2016204132A1/fr

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    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B18/00—Fasteners of the touch-and-close type; Making such fasteners
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/56—Supporting or fastening means
    • A61F13/62—Mechanical fastening means, ; Fabric strip fastener elements, e.g. hook and loop

Definitions

  • the present invention relates to a hook-and-loop female member.
  • the present invention also relates to a surface fastener having the surface fastener female member of the present invention.
  • the present invention also relates to a hygiene product having the female fastener of the present invention.
  • Various surface fasteners have been proposed as members of articles such as sanitary goods such as diapers and masks (see, for example, Patent Documents 1 and 2).
  • a hook-and-loop female member is used, for example, in a diaper
  • a hook-and-loop male member typically having a hook for engagement
  • a hook-and-loop fastener is required to be removable many times.
  • non-woven fabric has been adopted for many of the engagement layers of hook-and-loop fastener female members (layers that can engage with hooks for hook-and-loop fastener male members) used in sanitary goods (especially disposable diapers, supporters and masks).
  • sanitary goods especially disposable diapers, supporters and masks.
  • the surface fastener female member having an engagement layer in which a conventional nonwoven fabric is employed has a problem that the engagement force with the surface fastener male member is not sufficient.
  • the present invention has been made in order to solve the above-described conventional problems, and an object of the present invention is a hook-and-loop fastener female member having an engagement layer in which a nonwoven fabric is employed, An object of the present invention is to provide a hook-and-loop female member excellent in engagement force. Moreover, the place made into the objective of this invention is providing the surface fastener which has the surface fastener female member of this invention. Moreover, the place made into the objective of this invention is providing the sanitary goods which have the surface fastener female member of this invention.
  • the surface fastener female member of the present invention is A hook-and-loop female member having an engaging layer engageable with the hook-and-loop fastener male member and a physical property layer holding the engaging layer,
  • the engagement layer comprises a nonwoven fabric of fibers;
  • the flexibility index A represented by the formula (1) is 0.004 g ⁇ 2 or more.
  • A 1 / (P1 ⁇ P2)
  • P1 Compressed from the axial direction to a ring body obtained by connecting the front end and rear end of the long hook-and-loop female member with a width of 25 mm with a stapler so as to form a ring shape with a winding diameter of 20 mm Maximum compressive load when a load is applied and the ring body is deformed.
  • P2 Compressed from the width direction to a ring body obtained by connecting the front end portion and the rear end portion of the long hook-and-loop female member having a width of 25 mm with a stapler so as to form a ring shape with a winding diameter of 20 mm. Maximum compressive load when a load is applied and the ring body is deformed.
  • the flexibility index A is 0.01 g ⁇ 2 to 0.08 g ⁇ 2 .
  • the flexible index A is 0.02g -2 ⁇ 0.05g -2.
  • the P1 is 70 g or less.
  • the P1 is 15 g to 40 g.
  • the P2 is 4.05 g or less.
  • the P2 is 1 g to 2.5 g.
  • the sum total of the basic weight of the nonwoven fabric in the said engagement layer and the basic weight of the nonwoven fabric in the said physical property layer is 60 g / m ⁇ 2 > or less.
  • the total of the basis weight of the nonwoven fabric in the engagement layer and the basis weight of the nonwoven fabric in the physical property layer is 30 g / m 2 to 47 g / m 2 .
  • the density of the surface fastener female member is 110 kg / m 3 or less.
  • the density of the surface fastener female member is 50 kg / m 3 or less.
  • the surface fastener female member is made of only a non-woven fabric.
  • the surface fastener female member has an emboss pattern.
  • the ratio of the area of the welding part by the said embossing pattern with respect to the area of the whole surface of the said surface fastener female member is 35% or less.
  • the ratio of the area of the welded portion by the embossed pattern to the area of the entire surface of the female hook-and-loop female member is 12% to 28%.
  • the thickness of the welding part by the said embossing pattern is 100 micrometers or less.
  • the thickness of the welded portion by the emboss pattern is 25 ⁇ m to 55 ⁇ m.
  • the emboss pattern is a discontinuous emboss pattern.
  • the surface of the fiber and the surface on the engagement layer side of the physical layer contain the same kind of polymer.
  • the polymer is a polyolefin.
  • the hook-and-loop fastener of the present invention includes the hook-and-loop fastener female member of the present invention and a hook-and-loop fastener male member engaged with the hook-and-loop fastener female member.
  • the sanitary article of the present invention has the surface fastener female member of the present invention.
  • a female hook-and-loop female member having an engaging layer employing a non-woven fabric and excellent in engaging force with the male hook-and-loop fastener member.
  • the surface fastener which has such a surface fastener female member can be provided.
  • surface fastener female member can be provided.
  • the surface fastener female member of the present invention is a surface fastener female member having an engagement layer that can be engaged with a male member (also referred to as a mechanical hook member).
  • the engagement layer of the hook-and-loop fastener female member is a layer that can engage with the hook for engagement of the hook-and-loop fastener male member (or one having the same properties). What has the surface fastener female member of this invention and the surface fastener male member engaged with this surface fastener female member becomes a surface fastener.
  • the surface fastener female member of the present invention has an engagement layer that can be engaged with the surface fastener male member and a physical layer that holds the engagement layer.
  • the hook-and-loop female member of the present invention may have any other appropriate member as long as it has such an engagement layer and a physical property layer as long as the effects of the present invention are not impaired.
  • the surface fastener female member of the present invention preferably includes an engagement layer that can be engaged with the surface fastener male member and a physical property layer that holds the engagement layer.
  • the thickness of the surface fastener female member of the present invention can be set to any appropriate thickness depending on the purpose.
  • the thickness of the surface fastener female member of the present invention is typically preferably 0.2 mm to 5.0 mm, more preferably 0.3 mm to 4.0 mm, and further preferably 0.5 mm. Is 3.0 mm, particularly preferably 0.5 mm to 2.0 mm.
  • surface fastener female member (nonwoven fabric) is measured based on the method mentioned later.
  • the engagement layer includes a fiber nonwoven fabric.
  • the engagement layer may be only one layer or two or more layers.
  • the engagement layer is preferably made of only a fiber nonwoven fabric.
  • 1 type of the nonwoven fabric of the fiber contained in an engagement layer may be sufficient, and 2 or more types may be sufficient as it.
  • nonwoven fabric of fibers contained in the engagement layer examples include, for example, a spunbond nonwoven fabric, a thermal bond nonwoven fabric, an adhesive bonded nonwoven fabric, an air-through nonwoven fabric, a meltblown nonwoven fabric, a spunbond meltblown spunbond nonwoven fabric, a spunbond meltblown meltblown spunbond nonwoven fabric, and a non-bonded nonwoven fabric.
  • spunbond nonwoven fabric preferred are spunbond nonwoven fabric, thermal bond nonwoven fabric, adhesive bonded nonwoven fabric, air-through nonwoven fabric, melt blown nonwoven fabric, spunbond melt blown spunbond nonwoven fabric, spunbond melt blown melt blown spunbond nonwoven fabric, more preferably spunbond.
  • spunbond nonwoven fabrics and air-through nonwoven fabrics more preferably spunbond nonwoven fabrics.
  • a thermal point bonded spunbond nonwoven fabric or air-through nonwoven fabric as the nonwoven fabric of fibers contained in the engagement layer, the fibers constituting the nonwoven fabric contained in the engagement layer may have a bonding point.
  • the emboss pattern portion not only has a solid bonding point between fibers constituting the nonwoven fabric included in the engagement layer by the emboss treatment, but also the emboss pattern. Even in a region where there are no fibers, the fibers constituting the nonwoven fabric included in the engagement layer have bonding points.
  • the surface fastener female member of the present invention is a surface fastener female member having an engagement layer in which a nonwoven fabric is employed, and is excellent in engagement force with the surface fastener male member.
  • the number of bonding points per unit area confirmed when the non-woven fabric of fibers contained in the engagement layer is observed with an optical microscope has no emboss pattern In the area, in the field of view of 17 mm ⁇ 13 mm (7.5 times), the number is preferably 10 to 200, more preferably 30 to 150, and further preferably 50 to 100.
  • the number of bonding points per unit area confirmed when the nonwoven fabric of fibers contained in the engagement layer is observed with an optical microscope is within the above range.
  • the number of bonding points per unit area confirmed when the non-woven fabric of fibers included in the engagement layer is observed by SEM In a 1.3 mm ⁇ 1.0 mm field of view (100 times), the number is preferably 1 or more, more preferably 2 to 100, and further preferably 5 to 50.
  • the number of bonding points per unit area confirmed when the non-woven fabric of fibers contained in the engagement layer is observed by SEM is within the above range.
  • the hook-and-loop female member of the present invention can more effectively suppress the fluffing of the engagement layer after the hook-and-loop fastener male member is engaged and then peeled off.
  • the non-woven fabric of fibers contained in the engagement layer may include fibers that are uniform structures, such as core-sheath structures, side-by-side structures, sea-island structures, and other two-component structures. May be included.
  • core-sheath structures such as core-sheath structures, side-by-side structures, sea-island structures, and other two-component structures. May be included.
  • nonwoven fabric see, for example, “Nonwoven Fabric Primer and Reference Sampler”, E.I. A. You can refer to Vaughn, Association of the Nonwoven Fabrics Industry, 3rd edition (1992).
  • any appropriate fibers can be adopted as long as the effects of the present invention are not impaired.
  • Such fibers include, for example, polyolefins (polypropylene, polyethylene, etc.), polyesters, polyamides, polyurethanes, elastomers, rayon, cellulose, acrylics, copolymers thereof, or blends thereof, or mixtures thereof.
  • Such a fiber is preferably a polyolefin fiber (polyolefin fiber), a polyester fiber (polyester fiber), and two types selected from polyolefin and polyester in that the effects of the present invention can be expressed more effectively. It contains at least one selected from the above composite fibers of resin.
  • polyolefin fibers examples include polypropylene fibers, polyethylene fibers, ⁇ -olefin copolymer fibers, and the like.
  • the polyolefin fiber is preferably a polypropylene fiber or a polyethylene fiber, more preferably a polypropylene fiber, from the viewpoint that the effects of the present invention can be expressed more effectively.
  • polyester fiber examples include polyethylene terephthalate (PET) fiber, polylactic acid fiber, and polyglycolic acid fiber.
  • PET polyethylene terephthalate
  • the polyester fiber is preferably a polyethylene terephthalate (PET) fiber from the viewpoint that the effects of the present invention can be expressed more effectively.
  • composite fibers of two or more resins selected from polyolefin and polyester include fibers having a core-sheath structure, fibers having a side-by-side structure, and hollow fibers.
  • a composite fiber of two or more resins selected from polyolefin and polyester means a composite fiber of two or more polyolefin resins, a composite fiber of two or more polyester resins, one or more polyolefins, and It means a composite fiber of one or more polyester resins.
  • the composite fiber of two or more kinds of resins selected from polyolefin and polyester for example, a fiber having a core-sheath structure in which one of two types of polyolefin is in the core and the other is in the sheath, polyester And a fiber having a core-sheath structure, polyolefin having a side-by-side structure, and polyester.
  • the fibers constituting the nonwoven fabric included in the engagement layer may be crimped fibers.
  • the crimpable fiber for example, a fiber containing two components having different freezing points having a side-by-side structure or an unevenly arranged core-sheath structure, and when the phase change from a molten state to a solid state, Examples thereof include fibers that develop a fine coiled crimp with a relatively small radius when a high component is first solidified and contracted.
  • the fibers constituting the nonwoven fabric included in the engagement layer may contain any appropriate other component as long as the effects of the present invention are not impaired.
  • other components include other polymers, tackifiers, plasticizers, deterioration inhibitors, pigments, dyes, antioxidants, antistatic agents, lubricants, foaming agents, heat stabilizers, and light stabilizers.
  • An agent, an inorganic filler, an organic filler, etc. are mentioned. These may be only one type or two or more types.
  • the content ratio of other components in the fibers constituting the nonwoven fabric included in the engagement layer is preferably 10% by weight or less, more preferably 7% by weight or less, and further preferably 5% by weight or less, Particularly preferred is 2% by weight or less, and most preferred is 1% by weight or less.
  • the density of the nonwoven fabric in the engagement layer is preferably 5 kg / m 3 to 100 kg / m 3 in that the effects of the present invention can be more effectively expressed.
  • it is 10 kg / m 3 to 100 kg / m 3 , more preferably 10 kg / m 3 to 80 kg / m 3 , still more preferably 10 kg / m 3 to 70 kg / m 3 , and particularly preferably 10 kg / m 3. 3 to 60 kg / m 3 , most preferably 20 kg / m 3 to 50 kg / m 3 .
  • the density of the nonwoven fabric in the engaging layer is within the above range, so that the engaging force with the hook-and-loop fastener male member is excellent, and in a disposable diaper or the like, the slippage is lost at the time of wearing or after excretion.
  • This problem can be effectively solved.
  • the surface fastener female member of the present invention if the density of the non-woven fabric in the engagement layer is less than 5 kg / m 3 , the surface fastener male member may not be easily caught, or the productivity may be poor and the cost may be increased.
  • the density of the nonwoven fabric in the engagement layer is greater than 100 kg / m 3 , the nonwoven fabric fibers of the hook-and-loop fastener female member are densely packed, so that the engaging portion of the hook-and-loop fastener male member is in the hook-and-loop fastener female member. There is a possibility that it becomes difficult to insert and an excellent engagement force cannot be expressed.
  • the density (kg / m 3 ) of the nonwoven fabric in the engagement layer is calculated from the basis weight (Xg / m 2 ) of the nonwoven fabric and the thickness (Ymm) of the nonwoven fabric measured based on the method described later. Value. More specifically, the density (kg / m 3 ) of the nonwoven fabric in the engagement layer is calculated as X / Y (kg / m 3 ).
  • the fiber diameter of the nonwoven fabric in the engagement layer is preferably 5 ⁇ m to 5 ⁇ m in that the effect of the present invention can be expressed more effectively.
  • the diameter of the nonwoven fabric fiber in the engagement layer is within the above range, the engagement force with the surface fastener male member is excellent, and in a disposable diaper or the like at the time of wearing or after excretion The problem of slippage can be effectively solved.
  • the diameter of the nonwoven fabric fiber in the engagement layer is smaller than 5 ⁇ m, the engagement force with the surface fastener male member may be reduced.
  • the fiber diameter of the nonwoven fabric in the engagement layer is larger than 60 ⁇ m, it may be difficult to engage with the surface fastener male member, or the production speed may be reduced and the cost may be increased.
  • the diameter (fiber diameter) of the fiber of the nonwoven fabric in an engagement layer is measured based on the method mentioned later.
  • the basis weight of the nonwoven fabric in the engagement layer is preferably 10 g / m 2 to 60 g / m 2 , more preferably 12 g / m 2 to 50 g / m 2 . More preferably, it is 15 g / m 2 to 40 g / m 2 , particularly preferably 15 g / m 2 to 30 g / m 2 , and most preferably 15 g / m 2 to 25 g / m 2 .
  • the hook-and-loop fastener female member of the present invention is a hook-and-loop fastener female member having an engaging layer in which the non-woven fabric is adopted by the basis weight of the non-woven fabric in the engaging layer being within the above range, It is possible to provide a female hook-and-loop female member that is superior in the engagement force.
  • any appropriate material can be adopted as long as the effects of the present invention are not impaired.
  • a nonwoven fabric of fiber and a film can be mentioned. More preferably, the effect of the present invention can be expressed more effectively. It is a nonwoven fabric of fibers. That is, the surface fastener female member of the present invention is preferably made of only a nonwoven fabric in that the effect of the present invention can be expressed more effectively.
  • the nonwoven fabric may be one kind or two or more kinds.
  • nonwoven fabric examples include spunbond nonwoven fabric, thermal bond nonwoven fabric, adhesive bonded nonwoven fabric, air-through nonwoven fabric, melt blown nonwoven fabric, spunlace nonwoven fabric, spunbond melt blown spunbond nonwoven fabric, and spunbond.
  • the non-woven fabric may contain fibers that are uniform structures, such as a core-sheath structure, a side-by-side structure, a sea-island structure, and other two-component structures.
  • the body may include a composite fiber.
  • any appropriate fiber can be adopted as the fiber as long as the effects of the present invention are not impaired.
  • Such fibers include, for example, polyolefins (polypropylene, polyethylene, etc.), polyesters, polyamides, polyurethanes, elastomers, rayon, cellulose, acrylics, copolymers thereof, or blends thereof, or mixtures thereof.
  • Such a fiber is preferably a polyolefin fiber (polyolefin fiber), a polyester fiber (polyester fiber), and two types selected from polyolefin and polyester in that the effects of the present invention can be expressed more effectively. It contains at least one selected from the above composite fibers of resin.
  • polyolefin fibers examples include polypropylene fibers, polyethylene fibers, ⁇ -olefin copolymer fibers, and the like.
  • the polyolefin fiber is preferably a polypropylene fiber or a polyethylene fiber, more preferably a polypropylene fiber, from the viewpoint that the effects of the present invention can be expressed more effectively.
  • polyester fiber examples include polyethylene terephthalate (PET) fiber, polylactic acid fiber, and polyglycolic acid fiber.
  • PET polyethylene terephthalate
  • the polyester fiber is preferably a polyethylene terephthalate (PET) fiber from the viewpoint that the effects of the present invention can be expressed more effectively.
  • composite fibers of two or more resins selected from polyolefin and polyester include fibers having a core-sheath structure, fibers having a side-by-side structure, and hollow fibers.
  • a composite fiber of two or more resins selected from polyolefin and polyester means a composite fiber of two or more polyolefin resins, a composite fiber of two or more polyester resins, one or more polyolefins, and It means a composite fiber of one or more polyester resins.
  • the composite fiber of two or more kinds of resins selected from polyolefin and polyester for example, a fiber having a core-sheath structure in which one of two types of polyolefin is in the core and the other is in the sheath, polyester And a fiber having a core-sheath structure, polyolefin having a side-by-side structure, and polyester.
  • the fibers constituting the nonwoven fabric may be crimped fibers.
  • the crimpable fiber for example, a fiber containing two components having different freezing points having a side-by-side structure or an unevenly arranged core-sheath structure, and when the phase change from a molten state to a solid state, Examples thereof include fibers that develop a fine coiled crimp with a relatively small radius when a high component is first solidified and contracted.
  • the fibers constituting the non-woven fabric may contain any appropriate other component as long as the effects of the present invention are not impaired.
  • other components include other polymers, tackifiers, plasticizers, deterioration inhibitors, pigments, dyes, antioxidants, antistatic agents, lubricants, foaming agents, heat stabilizers, and light stabilizers.
  • An agent, an inorganic filler, an organic filler, etc. are mentioned. These may be only one type or two or more types.
  • the content ratio of other components in the fibers constituting the nonwoven fabric included in the engagement layer is preferably 10% by weight or less, more preferably 7% by weight or less, and further preferably 5% by weight or less, Particularly preferred is 2% by weight or less, and most preferred is 1% by weight or less.
  • any appropriate material can be adopted as the material of the film as long as the effects of the present invention are not impaired.
  • a material is preferably an unstretched polypropylene film, a stretched polypropylene film, a polyethylene film, and the like having a thickness of 10 ⁇ m to 60 ⁇ m, from the viewpoint that the effects of the present invention can be expressed more effectively.
  • the basis weight of the nonwoven fabric in the physical property layer is preferably 10 g / m 2 to 40 g / m 2 , more preferably 10 g / m 2 to 30 g / m 2 , It is preferably 10 g / m 2 to 25 g / m 2 , and particularly preferably 10 g / m 2 to 20 g / m 2 .
  • the basis weight of the non-woven fabric in the physical property layer is within the above range, so that shrinkage deformation in the width direction is difficult to occur during web handling, and cost competitiveness is excellent, and printability is good.
  • the printing see-through property is good, the pressure-sensitive adhesive coating is easy, the coated pressure-sensitive adhesive hardly oozes out to the engagement surface, and the flexibility is good.
  • the diameter of the fiber is preferably 40 ⁇ m or less, more preferably 1 ⁇ m to 40 ⁇ m, still more preferably 1 ⁇ m to 30 ⁇ m, and particularly preferably 1 ⁇ m to 25 ⁇ m. Most preferably, it is 1 ⁇ m to 20 ⁇ m.
  • the diameter of the fibers is within the above range, so that shrinkage deformation in the width direction is difficult to occur during web handling, cost competitiveness is excellent, printability is good, and printing The see-through property is good, the pressure-sensitive adhesive coating is easy, the coated pressure-sensitive adhesive hardly oozes out to the engagement surface, and the flexibility is good.
  • the physical layer is a fiber nonwoven fabric
  • the fiber diameter is larger than 40 ⁇ m
  • shrinkage deformation in the width direction is likely to occur during web handling, cost competitiveness is poor, printability is poor, and adhesive coating is difficult. Yes, there is a risk that the applied pressure-sensitive adhesive may ooze out to the engagement surface.
  • the density of the nonwoven fabric is preferably 5 kg / m 3 to 200 kg / m in that the effect of the present invention can be expressed more effectively.
  • 3 more preferably 20 kg / m 3 to 150 kg / m 3 , still more preferably 50 kg / m 3 to 150 kg / m 3 , still more preferably 50 kg / m 3 to 120 kg / m 3 , especially It is preferably 60 kg / m 3 to 120 kg / m 3 , and most preferably 70 kg / m 3 to 120 kg / m 3 .
  • the density (kg / m 3 ) of the nonwoven fabric in the physical property layer is calculated from the basis weight (Xg / m 2 ) of the nonwoven fabric and the thickness (Ymm) of the nonwoven fabric measured based on the method described later. Value. More specifically, the density (kg / m 3 ) of the nonwoven fabric in the physical property layer is calculated as X / Y (kg / m 3 ).
  • the physical property layer is a nonwoven fabric of fibers
  • it may be a laminate of nonwoven fabrics of different fibers (for example, a laminate of spunbond nonwoven fabric / melt blown nonwoven fabric / spunbond nonwoven fabric).
  • the fiber diameters differed greatly in the thickness direction for example, SMS, SSMMS, etc.
  • the portion where the thickness is locally thinned by heat welding or the like such as spunbond or spunmelt is not included.
  • the thickness is preferably 60 ⁇ m or less, more preferably 10 ⁇ m to 50 ⁇ m, still more preferably 10 ⁇ m to 40 ⁇ m, particularly preferably 10 ⁇ m to 30 ⁇ m, and most preferably 15 ⁇ m. ⁇ 25 ⁇ m.
  • the thickness is within the above range, so that shrinkage deformation in the width direction is less likely to occur during web handling, cost competitiveness is good, see-through property of printing is good, and adhesive coating Is easy and has good flexibility.
  • the physical property layer is a film, if the thickness is larger than 60 ⁇ m, the cost competitiveness is inferior, the see-through property of printing is deteriorated, and the flexibility may be deteriorated.
  • the total basis weight which is the sum of the basis weight of the nonwoven fabric in the engagement layer and the basis weight of the nonwoven fabric in the physical property layer, is preferably 60 g / m 2 or less, more preferably. Is 10 g / m 2 to 57 g / m 2 , more preferably 15 g / m 2 to 53 g / m 2 , particularly preferably 20 g / m 2 to 50 g / m 2 , and most preferably 30 g / m 2. ⁇ 47 g / m 2 .
  • the total basis weight which is the sum of the basis weight of the nonwoven fabric in the engagement layer and the basis weight of the nonwoven fabric in the physical property layer, falls within the above range. Excellent engagement force. Moreover, in the surface fastener female member of the present invention, the total basis weight, which is the sum of the basis weight of the nonwoven fabric in the engagement layer and the basis weight of the nonwoven fabric in the physical property layer, falls within the above range. Shrinkage deformation in the width direction is less likely to occur, cost competitiveness is better, printability is better, print see-through is better, adhesive coating is easier, and the applied adhesive is involved. It is less likely to ooze out on the joint surface and has better flexibility.
  • the density of the surface fastener female member of the present invention is preferably 110 kg / m 3 or less, more preferably 5 kg / m 3 to 110 kg / m 3 , and still more preferably 10 kg / m 3 to 110 kg / m 3 . More preferably 10 kg / m 3 to 80 kg / m 3 , further preferably 10 kg / m 3 to 70 kg / m 3 , particularly preferably 10 kg / m 3 to 60 kg / m 3 , most preferably 20 kg. / M 3 to 50 kg / m 3 .
  • the density of the female fastener of the present invention is within the above range, the engagement with the male fastener of the surface fastener is excellent, and in the case of disposable diapers or the like, the problem of slipping off is effectively eliminated during wearing or after excretion. obtain.
  • the density of the surface fastener female member of the present invention is greater than 100 kg / m 3 , the nonwoven fabric fibers of the surface fastener female member are in a densely packed state, so that the engaging portion of the surface fastener male member is in the surface fastener female member. It may become difficult to be inserted into the battery and an excellent engagement force may not be exhibited.
  • the density (kg / m 3 ) of the surface fastener female member of the present invention is measured based on the basis weight (Xg / m 2 ) of the nonwoven fabric in the surface fastener female member of the present invention and the method described later. It is a value calculated from the thickness (Ymm) of the nonwoven fabric in the surface fastener female member. More specifically, the density (kg / m 3 ) of the surface fastener female member of the present invention is calculated as X / Y (kg / m 3 ).
  • the surface of the fiber constituting the nonwoven fabric included in the engagement layer and the surface of the physical property layer on the side of the engagement layer contain the same kind of polymer.
  • a surface fastener female member having superior engagement force with the surface fastener male member is provided. can do.
  • the “surface of the fiber constituting the nonwoven fabric included in the engagement layer” may be the surface of the fiber, and for example, a sheath portion in a fiber having a core-sheath structure corresponds to this.
  • the polymer may be any appropriate as long as the effects of the present invention are not impaired.
  • Various polymers may be employed.
  • Such a polymer is preferably a polyolefin.
  • a surface fastener female member that is superior in engagement force with a surface fastener male member by including the same type of polyolefin on the surface of the fiber constituting the nonwoven fabric included in the engagement layer and the surface of the physical property layer on the side of the engagement layer. can do.
  • the surface fastener female member of the present invention has a flexibility index A represented by the formula (1) of 0.004 g ⁇ 2 or more.
  • A 1 / (P1 ⁇ P2) (1)
  • P1 is a ring body obtained by connecting a front end portion and a rear end portion of a long hook-and-loop female member having a width of 25 mm with a stapler so as to form a ring shape having a winding diameter of 20 mm. It is the maximum compressive load when the compressive load is applied from the axial direction and the ring body is deformed.
  • P2 has a width of a ring body obtained by connecting a front end portion and a rear end portion of a long hook-and-loop female member having a width of 25 mm with a stapler so as to form a ring shape having a winding diameter of 20 mm. It is the maximum compressive load when the compressive load is applied from the direction and the ring body is deformed. A more detailed method for measuring P1 and P2 will be described later.
  • Surface fastener female member of the present invention is the flexibility index A represented by the formula (1) is 0.004 g -2 or more, preferably 0.004 g -2 ⁇ 0.5 g -2, more preferably 0.006 g ⁇ 2 to 0.3 g ⁇ 2 , more preferably 0.008 g ⁇ 2 to 0.1 g ⁇ 2 , further preferably 0.01 g ⁇ 2 to 0.08 g ⁇ 2 , and particularly preferably is 0.015g -2 ⁇ 0.05g -2, most preferably 0.02g -2 ⁇ 0.05g -2.
  • the flexibility index A is within the above range, it is possible to provide a female hook-and-loop fastener member that has excellent engagement force with the male hook-and-loop fastener member. If the flexibility index A is out of the above range, the engagement force with the surface fastener male member may be reduced.
  • the present inventors have surprisingly found that by adjusting the flexibility index A within the above specific range, the engaging force with the surface fastener male member is improved, and the present invention has been completed. . Possibly, by adjusting the flexibility index A within the above specific range, the surface fastener female member becomes reasonably sufficiently flexible, and a sufficient area of engagement with the surface fastener male member is ensured. It is inferred that the engagement force with And, if the flexibility index A is too low outside the above specific range, the flexibility of the hook-and-loop fastener female member becomes insufficient, so that the hook-and-loop fastener female member can be easily formed into a three-dimensional curved surface that can be formed in actual use situations.
  • the surface fastener male member cannot be easily engaged with the surface fastener female member in a wide range. If the flexibility index A is too large outside the above specific range, the surface fastener female member becomes excessively soft, and not only the handleability in actual use deteriorates, but also the surface fastener male member becomes a surface fastener female. It is assumed that the member cannot be engaged well.
  • P1 is preferably 70 g or less, more preferably 1 g to 60 g, still more preferably 5 g to 50 g, particularly preferably 10 g to 40 g, and most preferably 15 g to 40 g.
  • P1 is within the above range, it is possible to provide a surface fastener female member that is superior in engagement force with the surface fastener male member. If P1 is out of the above range, the engagement force with the surface fastener male member may be reduced.
  • P2 is preferably 4.05 g or less, more preferably 0.1 g to 4 g, even more preferably 0.5 g to 3.5 g, particularly preferably 0.8 g to 3 g, and most preferably 1 to 2.5 g.
  • P2 is within the above range, it is possible to provide a surface fastener female member that is superior in engagement force with the surface fastener male member. If P2 is out of the above range, the engagement force with the surface fastener male member may be reduced.
  • the surface fastener female member of the present invention has an emboss pattern.
  • Such an embossed pattern is preferably formed by an embossing process.
  • Specific examples of the emboss pattern include, for example, a continuous lattice shape, a discontinuous lattice shape, a continuous curve shape, a discontinuous curve shape, a continuous zigzag shape, a discontinuous zigzag shape, a continuous straight line shape, a discontinuous straight line shape, a circular shape, and an oval shape.
  • the embossing pattern of the hook-and-loop female member of the present invention is preferably a discontinuous embossing pattern, more preferably an arc-shaped embossing pattern, in that the effects of the present invention can be expressed more effectively.
  • FIG. 1 shows a schematic plan view of the female fastener of the present invention having an arc-shaped emboss pattern.
  • the surface fastener female member 100 of the present invention has a plurality of embosses 10 constituting an arc-shaped emboss pattern.
  • the surface fastener female member of this invention has the area
  • each emboss is preferably an emboss having no “corner”.
  • the surface fastener female member of the present invention as a nonwoven fabric of fibers contained in the engagement layer, for example, a spunbond nonwoven fabric or an air-through nonwoven fabric is used so that the fibers constituting the nonwoven fabric contained in the engagement layer have bonding points. Can have.
  • the surface fastener female member of the present invention has an emboss pattern
  • the embossed pattern portion (the portions of the plurality of embosses 10 in FIG. 1) is firmly bonded to the fibers constituting the nonwoven fabric included in the engagement layer by the embossing process.
  • the fibers constituting the nonwoven fabric included in the engagement layer also have bonding points in a region without an emboss pattern (region 20 without an emboss pattern in FIG. 1).
  • the hook-and-loop fastener female member of the present invention is superior in engagement force with the hook-and-loop fastener male member.
  • the emboss width of a plurality of embosses constituting the emboss pattern is preferably 0.1 mm to 3.0 mm, more preferably 0.3 mm to 2.0 mm, and still more preferably. It is 0.3 mm to 1.5 mm, particularly preferably 0.5 mm to 1.5 mm, and most preferably 0.5 mm to 1.0 mm.
  • the female hook-and-loop fastener member of the present invention is superior in the engagement force with the hook-and-loop fastener male member.
  • the emboss width in the surface fastener female member of the present invention is, for example, the width W in the MD direction of the emboss 10 shown in FIG.
  • the distance between two adjacent embosses in a plurality of embosses constituting the emboss pattern is preferably 10 mm or less, more preferably 1 mm to 10 mm, on any line in the MD direction. More preferably, it is 1.5 mm to 9 mm, particularly preferably 2 mm to 8 mm, and most preferably 2.5 mm to 7 mm.
  • the surface fastener female member of the present invention is Excellent engagement force.
  • the distance on the line in the MD direction between two adjacent embosses constituting the emboss pattern is, for example, the MD direction line P (CD direction) shown in FIG. It is the distance L between two adjacent embosses on the MD direction line at any position. That is, the distance L is referred to as the maximum value of the distance between two adjacent embosses on the MD direction line in the emboss pattern (which may be the MD direction line at any position in the CD direction). Yes).
  • the emboss depth is preferably 0.1 mm to 2.0 mm, more preferably 0.2 mm to 1.8 mm, still more preferably 0.3 mm to 1.5 mm, and particularly preferably 0.5 mm. ⁇ 1.5 mm, most preferably 0.7 mm to 1.2 mm.
  • the female hook-and-loop fastener member of the present invention is superior in the engagement force with the hook-and-loop fastener male member.
  • the ratio of the area of the welded portion by the embossing pattern to the entire surface area of the surface fastener female member is preferably 35. % Or less, more preferably 5% to 33%, still more preferably 10% to 30%, particularly preferably 12% to 28%, and most preferably 12% to 23%.
  • embossed welding area ratio falls within the above range, the surface fastener female member of the present invention is superior in engagement force with the surface fastener male member.
  • the thickness of the welded portion by the emboss pattern is preferably 100 ⁇ m or less, more preferably 10 ⁇ m to 100 ⁇ m, still more preferably 15 ⁇ m to 80 ⁇ m, still more preferably 20 ⁇ m to 70 ⁇ m. It is particularly preferably 25 ⁇ m to 60 ⁇ m, most preferably 25 ⁇ m to 55 ⁇ m.
  • the surface fastener female member of the present invention is superior in engagement force with the surface fastener male member.
  • ⁇ Method for manufacturing hook-and-loop female member of the present invention As one of the preferable manufacturing methods of the surface fastener female member of this invention, a raw fabric nonwoven fabric is laminated
  • raw nonwoven fabrics are laminated, and an embossing treatment by an ultrasonic fusion equipment is performed at any appropriate frequency (for example, 20 kHz (output strength 1800 W)). ) At any suitable processing speed (eg, 50 m / min) to obtain the desired surface fastener female member.
  • the hook-and-loop fastener female member of this invention can be made into a hook-and-loop fastener by combining with the hook-and-loop fastener male member engaged with the hook-and-loop fastener female member. That is, the surface fastener of the present invention includes the surface fastener female member of the present invention and a surface fastener male member engaged with the surface fastener female member. Moreover, the surface fastener female member of this invention can be used for arbitrary appropriate articles
  • a typical example of such an article is a sanitary product. That is, the sanitary article of the present invention has the hook-and-loop fastener female member of the present invention. Examples of such sanitary goods include diapers (particularly disposable diapers), supporters, masks, and the like.
  • ⁇ Nonwoven fabric thickness> Using a digital microscope “VHX-1000” manufactured by Keyence Corporation, a cross section of the nonwoven fabric was photographed at a magnification of 100 times, and the thickness of the image analysis software nonwoven fabric of the same machine was measured. In the thickness measurement, in each of the upper part and the lower part of the cross section of the nonwoven fabric, parallel lines such that the intersections with the fibers are 10 points are the upper side and the lower side, respectively, and the length between the upper side and the lower side is the nonwoven fabric. Thickness.
  • Example 1-11 Comparative Example 1-3
  • the raw fabric nonwoven fabrics shown in Tables 1 and 2 were laminated, and an embossing process using an embossing pattern roll was performed at a processing temperature of 200 ° C., a linear pressure of 160 N / mm, and a processing speed of 20 m / min to obtain a surface fastener female member.
  • the emboss pattern used is the arc-shaped emboss pattern shown in FIG. 1, and the emboss width, the maximum value of the distance in the MD direction of two adjacent embosses (maximum distance between embosses), the emboss weld area ratio, the emboss pattern
  • the thickness of the welded part was as shown in Tables 1 and 2.
  • Example 12-13 The raw fabric nonwoven fabric shown in Table 2 is laminated, and an embossing process using an ultrasonic fusion facility (Herrmann, apparatus name: MICROBOND (ULTRABOND48: 20)) is performed at a frequency of 20 kHz (output strength 1800 W) and a processing speed of 50 m / min. And a hook-and-loop female member was obtained.
  • the emboss pattern used is the arc-shaped emboss pattern shown in FIG. 1, and the emboss width, the maximum value of the distance in the MD direction of two adjacent embosses (maximum distance between embosses), the emboss weld area ratio, the emboss pattern
  • the thickness of the welded part was as shown in Table 2.
  • the hook-and-loop female member of the present invention can be used for any appropriate article that can effectively use the effects of the present invention.
  • a typical example of such an article is a sanitary product.
  • Examples of such sanitary goods include diapers (particularly disposable diapers), supporters, masks, and the like.

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Vascular Medicine (AREA)
  • Epidemiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
  • Absorbent Articles And Supports Therefor (AREA)

Abstract

Un objet de la présente invention est de fournir un élément femelle destiné à une fermeture par contact, et une fermeture par contact et un produit d'hygiène comportant ledit élément femelle destiné à une fermeture par contact, l'élément femelle comprenant une couche de mise en prise dans laquelle est utilisé un textile non-tissé présentant une excellente force de mise en prise. Ledit élément femelle (100) destiné à une fermeture par contact comprend : une couche de mise en prise comprenant un textile non-tissé fibreux qui peut venir en prise avec un élément mâle destiné à une fermeture par contact ; et une couche physique qui maintient ladite couche de mise en prise. L'élément femelle (100) destiné à une fermeture par contact est caractérisé en ce que l'indice de flexibilité A, qui est représenté par la formule (1), de la couche de mise en prise est supérieur ou égal à 0,004 g-2. (1) 1/(P1×P2) P1 : charge de compression maximale lorsqu'un corps annulaire est soumis à une charge de compression depuis la direction axiale et le corps annulaire est déformé, le corps annulaire étant obtenu à l'aide d'une agrafeuse pour relier l'extrémité avant et l'extrémité arrière dans la direction longitudinale d'une bande de 25 mm de largeur de l'élément femelle destiné à une fermeture de surface de manière à former une forme annulaire. P2 : charge de compression maximale lorsque le corps annulaire susmentionné est soumis à une force de compression depuis la direction de la largeur et le corps annulaire est déformé.
PCT/JP2016/067613 2015-06-19 2016-06-14 Élément femelle pour fermeture par contact WO2016204132A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201680035975.5A CN107708470B (zh) 2015-06-19 2016-06-14 面接触固定件用母构件
EP16811606.9A EP3311688B1 (fr) 2015-06-19 2016-06-14 Élément femelle pour fermeture par contact
RU2018101880A RU2698845C2 (ru) 2015-06-19 2016-06-14 Охватывающий элемент для застежки-"липучки"
PL16811606T PL3311688T3 (pl) 2015-06-19 2016-06-14 Człon żeński dla zapięcia rzepowego

Applications Claiming Priority (4)

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JP2015123455 2015-06-19
JP2015-123455 2015-06-19
JP2016115122A JP6735156B2 (ja) 2015-06-19 2016-06-09 面ファスナー雌部材
JP2016-115122 2016-06-09

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JP2020103575A (ja) * 2018-12-27 2020-07-09 カミ商事株式会社 使い捨ておむつ
EP3187064B1 (fr) 2014-08-26 2020-09-30 Nitto Denko Corporation Élément femelle de fermeture autoagrippante
US11850128B2 (en) 2018-09-27 2023-12-26 The Procter And Gamble Company Garment-like absorbent articles

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JP2001000212A (ja) * 1999-06-18 2001-01-09 Toyobo Co Ltd 面ファスナー雌材及びその製造方法
JP2001008713A (ja) * 1999-04-26 2001-01-16 Unitika Ltd 面ファスナ雌材用不織布およびその製造方法
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US20060019572A1 (en) 2004-07-21 2006-01-26 Aplix, S.A. Hook and loop fastener device
WO2008130807A1 (fr) 2007-04-17 2008-10-30 Aplix, Inc. Matériau de boucle pour fixation de type boucles et crochets pour article ou vêtement jetable
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JPH09195155A (ja) * 1996-01-16 1997-07-29 Unitika Ltd 面ファスナ用不織布およびその製造方法
JP2001008713A (ja) * 1999-04-26 2001-01-16 Unitika Ltd 面ファスナ雌材用不織布およびその製造方法
JP2001000212A (ja) * 1999-06-18 2001-01-09 Toyobo Co Ltd 面ファスナー雌材及びその製造方法
JP2002315607A (ja) * 2001-02-15 2002-10-29 Mitsui Chemicals Inc 面状ファスナー雌材
US20060019572A1 (en) 2004-07-21 2006-01-26 Aplix, S.A. Hook and loop fastener device
JP2009527315A (ja) * 2006-02-24 2009-07-30 ザ プロクター アンド ギャンブル カンパニー 締結システムの雌部材用不織布
JP2012183316A (ja) * 2006-02-24 2012-09-27 Mitsui Chemicals Inc ファスナー受け側部材用不織布
WO2008130807A1 (fr) 2007-04-17 2008-10-30 Aplix, Inc. Matériau de boucle pour fixation de type boucles et crochets pour article ou vêtement jetable

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3187064B1 (fr) 2014-08-26 2020-09-30 Nitto Denko Corporation Élément femelle de fermeture autoagrippante
US11850128B2 (en) 2018-09-27 2023-12-26 The Procter And Gamble Company Garment-like absorbent articles
US11918442B2 (en) 2018-09-27 2024-03-05 The Procter & Gamble Company Garment-like absorbent articles
US11998427B2 (en) 2018-09-27 2024-06-04 The Procter & Gamble Company Nonwoven webs with visually discernible patterns
JP2020103575A (ja) * 2018-12-27 2020-07-09 カミ商事株式会社 使い捨ておむつ
JP7328757B2 (ja) 2018-12-27 2023-08-17 カミ商事株式会社 使い捨ておむつ

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