WO2007088828A1 - 不織布積層体、不織布積層体を用いた透湿性不織布積層シートおよびそれらを用いた衛生用品 - Google Patents
不織布積層体、不織布積層体を用いた透湿性不織布積層シートおよびそれらを用いた衛生用品 Download PDFInfo
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- WO2007088828A1 WO2007088828A1 PCT/JP2007/051430 JP2007051430W WO2007088828A1 WO 2007088828 A1 WO2007088828 A1 WO 2007088828A1 JP 2007051430 W JP2007051430 W JP 2007051430W WO 2007088828 A1 WO2007088828 A1 WO 2007088828A1
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- Prior art keywords
- nonwoven fabric
- basis weight
- laminate
- moisture
- nonwoven
- Prior art date
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
- A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
- A61F13/51474—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its structure
- A61F13/51478—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its structure being a laminate, e.g. multi-layered or with several layers
- A61F13/5148—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its structure being a laminate, e.g. multi-layered or with several layers having an impervious inner layer and a cloth-like outer layer
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/47—Sanitary towels, incontinence pads or napkins
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/51—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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/02—Layered products comprising a layer of synthetic resin in the form of fibres or filaments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/559—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 the fibres being within layered webs
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/56—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving in association with fibre formation, e.g. immediately following extrusion of staple 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
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/14—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
Definitions
- Nonwoven fabric laminate moisture permeable nonwoven fabric laminate sheet using nonwoven fabric laminate, and hygiene article using them
- the present invention has excellent flexibility, water resistance, and water resistance.
- a nonwoven fabric is bonded to another sheet-like material such as a moisture permeable film using a hot melt adhesive
- TECHNICAL FIELD The present invention relates to a phenomenon in which an adhesive permeates a nonwoven fabric layer and oozes outside, a so-called nonwoven fabric laminate in which penetration of the adhesive is suppressed, a moisture-permeable nonwoven fabric laminate sheet using a covered nonwoven fabric laminate, and a hygiene product using them .
- nonwoven fabrics have been used for many purposes such as liners, moving layers, knock sheets and side gathers.
- SB spunbond
- MB meltblown
- SMS nonwoven fabric is most popular because it is lightweight and flexible.
- SMS nonwoven fabrics tend to be slightly harder, although their water resistance is improved, compared to single-layer SB nonwoven fabrics.
- SMS nonwoven fabric As a method for improving the flexibility, water resistance, etc. of SMS nonwoven fabric, as SMS nonwoven fabric, a polypropylene SB nonwoven fabric having a fineness of 0.7 to 1.5 dtex and an MB nonwoven fabric layer having a fineness of 1 to 5 / ⁇ ⁇ are used.
- An SMS nonwoven fabric has been proposed in which the basis weight of MB nonwoven fabric is lg / m 2 or more, 33% or less of the total basis weight, and the 5% modulus index is 0.41 or more (for example, Patent Document 1).
- SMS nonwoven fabrics with a 5% modulus index of 0.41 or more still lack flexibility
- SB nonwoven fabrics laminated on both layers of MB nonwoven fabric have the same basis weight. It is bulky, flexible and lightweight is required!
- MB nonwoven fabric or SMS nonwoven fabric when MB nonwoven fabric or SMS nonwoven fabric is used for hygiene products, further functions are added.
- a moisture permeable film, a waterproof film, or the like is bonded (laminated), and a hot melt adhesive is used as the means. Since a strong hot-melt adhesive penetrates into the nonwoven fabric layer when melted, it is desired to prevent the strong hot-melt adhesive from oozing out on the opposite surface of the nonwoven fabric layer.
- Patent Document 1 Japanese Patent Laid-Open No. 2004-3096
- an SMS nonwoven fabric when an SMS nonwoven fabric is bonded to another sheet-like material with a hot melt adhesive or the like, penetration of the adhesive is suppressed, and flexibility is excellent, and water resistance and air permeability are not provided.
- An object is to provide a woven fabric laminate.
- the present inventors have examined the above-mentioned problems, and do not contact the basis weight of the SB nonwoven fabric (first SB nonwoven fabric) that contacts the hot melt adhesive or the like with the hot melt adhesive or the like! It has been found that the above object can be solved by making the basis weight 1.6 times or more and making the thickness 1.4 times or more and making the basis weight of the MB nonwoven fabric thinner.
- the present invention provides:
- a first spunbond nonwoven fabric having a propylene polymer strength, a meltblown nonwoven fabric layered on the first spunbond nonwoven fabric, and a propylene polymer strength layered on the meltblown nonwoven fabric A nonwoven fabric laminate having a total basis weight of 30 gZm 2 or less as the second spunbond nonwoven fabric,
- a second spunbond nonwoven fabric having a basis weight in the range of l ⁇ l lg / m 2, and and the first spunbonded nonwoven fabric having a basis weight
- the ratio of the basis weight of the second spunbond nonwoven fabric is 1.6 or more and the thickness of the first spunbond nonwoven fabric and the second spunbond nonwoven fabric.
- the thickness ratio of the first spunbond non-woven fabric (Z thickness of the second spunbond non-woven fabric) is 1.4 or more, the basis weight of the melt-blown non-woven fabric is less than 3 gZm 2 and the crimp area ratio is 6-25% It is the nonwoven fabric laminated body characterized by being in the range.
- the nonwoven fabric laminate forms a first spunbond nonwoven fabric and a second spunbond nonwoven fabric. It is preferable that the fineness of the fibers is 1.4 denier or less and the fiber diameter of the fibers forming the meltblown nonwoven fabric is in the range of 1 to 5 ⁇ m.
- the nonwoven fabric laminate has a 5% modulus index in the range of 0.15 to 0.38NZ30 mmZ (gZm 2 ).
- the present invention includes a moisture-permeable nonwoven fabric laminate sheet in which a moisture-permeable film is laminated on the surface of the first spunbond nonwoven fabric of the nonwoven fabric laminate via a hot-melt adhesive.
- the moisture-permeable film is preferably a porous film.
- the present invention includes the use of the moisture-permeable nonwoven fabric laminated sheet as a back sheet, and a disposable diaper.
- the present invention includes a sanitary napkin using the moisture-permeable nonwoven fabric laminated sheet as a back sheet.
- the present invention includes a sanitary article including the nonwoven fabric laminate.
- the present invention includes a sanitary article including the moisture-permeable nonwoven laminate sheet.
- the present invention includes a sanitary article including the nonwoven fabric laminate and the moisture-permeable nonwoven fabric laminate sheet.
- the surface of the first spunbond nonwoven fabric of the nonwoven fabric laminate is selected from the group consisting of a nonwoven fabric, a woven fabric, paper, a waterproof sheet, a net, and a synthetic resin sheet via a hot melt adhesive. And a composite nonwoven fabric laminated sheet in which one or more sheet-like materials are laminated.
- the present invention includes a sanitary product including the composite nonwoven fabric laminated sheet.
- the sanitary article including the composite nonwoven fabric laminate sheet may include the composite nonwoven fabric laminate sheet as a three-dimensional gear. ,.
- the first spunbond nonwoven fabric on the side to which the hot melt adhesive is applied is formed thick, and a hotmelt adhesive layer applied to the surface of the first spunbond nonwoven fabric is provided.
- a hotmelt adhesive layer applied to the surface of the first spunbond nonwoven fabric is provided.
- the thick first spunbond nonwoven fabric By arranging the thick first spunbond nonwoven fabric, the amount of hot melt adhesive reaching the meltblown nonwoven fabric is reduced and the nonwoven fabric laminate of meltblown nonwoven fabric necessary to block the see-through Since the proportion of the total body weight of the body can be reduced, the flexibility of the nonwoven fabric laminate is improved, and it is softer and more usable than the conventional nonwoven fabric laminate having the same total weight.
- the nonwoven fabric laminate of the present invention almost completely prevents see-through of the hot melt adhesive and is very flexible.
- FIG. 1 is a schematic side view of a nonwoven fabric laminate according to the present invention.
- FIG. 2 is a schematic side view of a moisture-permeable nonwoven fabric laminate sheet of the present invention.
- FIG. 3 is a schematic side view of the absorbent part of a disposable diaper that is a representative example of the sanitary article of the present invention.
- the nonwoven fabric laminate 10 of the present invention comprises a first spunbond nonwoven fabric (hereinafter referred to as a first SB nonwoven fabric) 14, a melt blown nonwoven fabric (hereinafter referred to as an MB nonwoven fabric) 12, 2 Spunbond nonwoven fabric (hereinafter referred to as 2nd SB nonwoven fabric) 16 has a laminated structure in this order.
- a first SB nonwoven fabric 14 and the second SB nonwoven fabric 16 is composed of at least one spunbond nonwoven fabric layer force
- the MB nonwoven fabric 12 is composed of at least one meltblown nonwoven fabric layer.
- the configuration of the first SB nonwoven fabric 14 is preferably two or more layers, the configuration of the second SB nonwoven fabric 16 is one layer, and the configuration of the MB nonwoven fabric 14 Is one layer.
- the surface of the first SB non-woven fabric 14 is a hot-melt adhesive application scheduled surface 18 to which a hot-melt adhesive is applied, as shown in FIG.
- the first SB nonwoven fabric 14 and the second SB nonwoven fabric 16 are formed by melt spinning by the spunbond method using the following propylene-based polymer.
- propylene-based polymer examples include a homopolymer of propylene and a copolymer of propylene and other a-olefins.
- Other copolymerized a-olefins include ethylene, 1-butene, pentene, hexene, otaten, 1-decene, 3-methylbutene, 3-methyl-pentene, 3-ethyl-pentene, and 4-methyl.
- - ⁇ -olefins having 2 to 20 carbon atoms such as pentene and 4-methyl-hexene are exemplified. Of these, ethylene and 1-butene are preferred, with ethylene being particularly preferred.
- Such other a-olefins may be copolymerized singly or in combination of two or more.
- the content of structural units derived from a-olefin in the copolymer is preferably 5. Omol% or less.
- the MB nonwoven fabric 12 is the same as the first SB nonwoven fabric 14 and the second SB nonwoven fabric 16 as described above. Polymers can be used.
- the configuration of the nonwoven fabric laminate 10 of the present invention is as follows. As shown in FIG. 1, the MB nonwoven fabric 12 is sandwiched between the first SB nonwoven fabric 14 and the second SB nonwoven fabric layer 16, and is partially crimped and integrated. Configuration
- the melt flow rate of the propylene-based polymer used for the first SB nonwoven fabric 14 and the second SB nonwoven fabric 16 constituting the nonwoven fabric laminate 10 (measured at a temperature of 230 ° C and a load of 2.16 kg, hereinafter also referred to as MFR). 20 to 200 gZl0min is preferred, and 50 to 150 gZl0min is more preferred. If the MFR is below this value, it will be difficult to spin when obtaining fine fibers, and if it exceeds this value, the physical properties such as tensile strength of the resulting fiber or nonwoven fabric laminate may be reduced. Because there is.
- the melt flow rate (measured at a temperature of 230 ° C and a load of 2.16 kg, hereinafter also referred to as MFR) of the propylene polymer used for the MB nonwoven fabric 12 constituting the nonwoven fabric laminate 10 is 200-3 OOOg / lOmin preferred 500-2500 gZlOmin force is more preferred. This is because if the MFR is below this value, it may be difficult to spin when obtaining fine fibers. This is because there is a possibility that the shielding property will be deteriorated due to bad formation (uniformity), and that the resulting nonwoven fabric will have a rough surface.
- the fiber diameter of the propylene polymer fibers constituting the first SB nonwoven fabric 14 and the second SB nonwoven fabric 16 is usually 1.4 denier or less, preferably in the range of 0.1 to 0.8 denier.
- the fiber diameter of the propylene-based polymer fiber is within the above range, the resulting nonwoven fabric laminate is preferable because it has high flexibility and can prevent penetration of hot melt. If the fiber diameter is within this range, the first SB nonwoven fabric 14 and the second SB nonwoven fabric 16 may have different fiber diameters.
- the fiber diameter of the propylene polymer fibers constituting the MB nonwoven fabric 12 is usually 1 ⁇ m to 5 ⁇ m, preferably 1 ⁇ to 2 / ⁇ m.
- the MB nonwoven fabric 12 is a layer with excellent clogging and high flexibility by forming the nonwoven fabric with fine fibers having a fiber diameter within the above range.
- the MB nonwoven fabric 12 can be prepared by a conventionally known method.
- MB nonwoven fabric 12 can be prepared by melt-extrusion of propylene-based polymer with nozzle force and molding ultrafine fibers with hot air.
- the fiber diameter is preferably 1 ⁇ m or more.
- the nonwoven fabric laminate 10 of the present invention is partially pressure-bonded by hot embossing, and the pressure-bonded area ratio is 6 to 25%. If the area ratio exceeds the upper limit of the above range, the 5% modulus strength of the nonwoven fabric laminate 10 tends to increase and flexibility tends to deteriorate, which is not preferable. In addition, if the area ratio is smaller than the lower limit of the above range, the nonwoven fabric laminate 10 is preferably insufficient in tensile strength or fuzzy, which is preferable!
- the nonwoven fabric laminate 10 of the present invention has a total basis weight of 30 g / m 2 or less. When the total basis weight exceeds 30 g / m 2 , the whole structure becomes thick when it is made into a laminate, which tends to cause a hard feel.
- the nonwoven fabric laminate 10 of the present invention typically has a 5% modulus index in the range of 0.15 to 0.38 NZ30 mmZ (g Zm 2 ).
- a nonwoven fabric laminate having a 5% modulus index is more flexible, has high strength and is stable, and can be laminated with a moisture permeable film and used as a moisture permeable nonwoven fabric laminated sheet.
- the basis weight of the MB nonwoven fabric 12 constituting the nonwoven fabric laminate 10 is less than 3 g / m 2 , preferably 0.05 to 0.9 gZm 2 .
- the basis weight exceeds the above range, the hardness and texture of the MB nonwoven fabric 12 are preferably manifested as the entire nonwoven fabric laminate 10.
- the basis weight of the 1SB nonwoven 14 constituting the nonwoven fabric laminate 10 of the present invention is usually in the range of 3 to 25 g / m 2, the basis weight of the 2SB nonwoven 16 typically. 1 to: L lg / It is in the range of m 2.
- the ratio of the basis weight of the first SB nonwoven fabric 14 and the basis weight of the second SB nonwoven fabric 16 in the nonwoven fabric laminate 10 of the present invention (the basis weight of the first SB nonwoven fabric Z the basis weight of the second SB nonwoven fabric) (hereinafter referred to as the basis weight ratio) is 1.6 or less.
- the ratio of the thickness of the first SB nonwoven fabric 14 to the thickness of the second SB nonwoven fabric 16 (the thickness of the first SB nonwoven fabric Z the thickness of the second SB nonwoven fabric) (hereinafter referred to as the thickness ratio) Is 1.4 or more, preferably 1.6 to 2.9.
- the hot melt adhesive is applied in the voids of the first SB nonwoven fabric 14 when the hot melt adhesive is applied and adhered to the moisture permeable film.
- the first SB nonwoven fabric and the second SB nonwoven fabric may be layers in which SB nonwoven fabrics of two or more S layers are laminated as long as they are within the above range.
- the moisture-permeable nonwoven fabric laminate sheet 20 of the present invention has a configuration in which the hot-melt adhesive application scheduled surface 18 of the laminated nonwoven fabric 10 and the moisture-permeable film 24 are joined with a hot-melt adhesive 22 as shown in FIG.
- the hot melt adhesive 22 used here is an olefin base polymer (ethylene 'propylene copolymer), a styrene block copolymer base polymer (SEBS, SEPS, SIS, SBS), polyamide, polyester, urethane base polymer. It is preferable to use a hot melt resin or the like, but the above hot melt adhesive is only an example and various known hot melt adhesives can be used.
- the moisture-permeable film 24 is, for example, a film having moisture permeability, a film formed by forming a micropore by stretching the film and imparting moisture permeability, or a polyolefin film containing a filler.
- a film formed by forming fine pores by stretching a film obtained by melt extrusion of fat examples include high-density polyethylene, low-density polyethylene, linear low-density polyethylene, ethylene' ⁇ -olefin copolymer, polypropylene, propylene'a-olefin copolymer, or mixtures thereof.
- the polyolefin resin which becomes is mentioned.
- the material of the moisture permeable film may be one kind or a mixture of two or more kinds.
- the filler used here is not particularly limited, and may be either an inorganic filler or an organic filler.
- inorganic fillers include alkaline earth metals, Group X element oxides, hydroxides, carbonates, sulfates, silicates, etc.
- organic fillers include wood. Examples thereof include molar powders such as powder and pulp, and cross-linked powders such as silicone and phenol. These may be one kind or a combination of two or more kinds. Of these, calcium carbonate, barium sulfate and the like are preferable in view of cost and quality stability.
- the resin composition used to manufacture moisture-permeable films contains additives such as antioxidants, UV absorbers, antibacterial agents, antifungal agents, antifoggants, lubricants, facial materials, and heat stabilizers. It may be included as long as the object of the invention is not impaired.
- the moisture permeable nonwoven fabric laminated sheet 20 has a hot melt adhesive application scheduled surface 18 and a moisture permeable film 24. Although the structure is bonded with the hot melt adhesive 22, the hot melt adhesive 22 diffuses in the gap of the first SB nonwoven fabric 14 and reaches the MB nonwoven fabric 12 when the hot melt adhesive is planned to be applied. In order to reduce the amount of adhesive, it is less likely that the adhesive will penetrate through the conventional laminated sheet.
- sanitary products using the moisture-permeable nonwoven fabric laminated sheet 20 as a backsheet include infants, adult disposable diapers, children's, adult disposable pants, sanitary napkins, and the like.
- Fig. 3 shows a schematic side view of the absorbent part of a disposable diaper, a typical example of a product.
- the absorbent body 34 is sandwiched between a liquid-permeable top sheet 32 and a liquid-impermeable back sheet as a method for use as an absorbent article.
- the first SB nonwoven fabric 14 which has a larger basis weight and thickness than the second SB nonwoven fabric 16, is closer to the skin when used as a diaper. Will be better.
- the present invention includes a sanitary article including the nonwoven fabric laminate, a sanitary article including the moisture-permeable nonwoven laminate sheet, and a sanitary article including the nonwoven fabric laminate and the nonwoven laminate sheet.
- Examples of the sanitary products include sanitary products using a nonwoven fabric laminate or a nonwoven fabric laminate sheet as a three-dimensional gather, absorbent wrap material, top sheet, liquid diffusion sheet, ear member, and the like.
- the composite nonwoven fabric laminate sheet of the present invention has a nonwoven fabric, a woven fabric, paper, a waterproof sheet, a network, and a synthetic resin on the surface of the first spunbond nonwoven fabric of the nonwoven fabric laminate via a hot melt adhesive.
- Group power consisting of one or more sheets made from one or more sheets.
- Examples of sanitary products including the composite nonwoven fabric laminate sheet of the present invention include sanitary products including the composite nonwoven fabric laminate sheet as a three-dimensional gather.
- Examples of the composite nonwoven fabric laminated sheet include medical gowns, masks, bed mats, wipers for life-related materials, filters for industrial materials, wipers, interior and exterior materials for automobile materials, sound absorbing materials, spring covers, and agricultural products. It can be used for sticky materials, house lining, fruit bags, etc.
- Example [0054] The present invention will be described in more detail with reference to examples. The present invention is not limited thereto.
- the diameter of the spunbond fiber was read in ⁇ m units to the first decimal place at a magnification of 20 times. 20 arbitrary diameters were measured for each specimen. This was measured for each of the 10 test specimens (a total of 200 diameter measurement points). From the measurement results of the diameter, the number of grams of fiber per 9000 m was determined for each measurement point. At this time, the density of polypropylene was calculated as 0.91 gZcm 3 .
- Ten pieces of 10 mm ⁇ 10 mm test pieces were collected from the produced nonwoven fabric laminate samples. Sampling locations were arbitrary in the MD direction, and 10 in the CD direction at regular intervals on the straight line, excluding the 20cm ends of the nonwoven fabric laminate sample.
- the prepared nonwoven fabric laminate sample was touched by hand, and a test was conducted to examine the touch feeling at that time, and the following criteria were evaluated.
- the moisture-permeable nonwoven fabric laminated sheet in roll-rolled state is rolled up, and the surface of the nonwoven fabric laminate of one moisture-permeable nonwoven fabric laminated sheet and the moisture-permeable film of the other moisture-permeable nonwoven fabric laminated sheet are overlapped at that time
- the degree of adhesion to the back surface of the film was visually examined and evaluated according to the following criteria. ⁇ ⁇ ⁇ 'Hot-melt adhesive does not penetrate
- Polypropylene (propylene homopolymer, MFR (measured at 230 ° C load 2.16 kg according to JIS K7210 1999): 65 gZlO min) was used as the raw material for spunbond nonwoven fabric.
- a first SB nonwoven fabric 14 having g / m 2 was obtained.
- Polypropylene (propylene homopolymer, MFR (measured at 230 ° C load 2.16 kg according to JIS K7 210-1999): 900 gZlO min) was used as the raw material for the meltblown nonwoven fabric. Melted and kneaded at a molding temperature of 290 ° C by an extruder, and the resulting melt-kneaded product was extruded into a heated air stream at a high speed from a melt blown die and had a fiber diameter of ⁇ / zm and a basis weight of 0.9 g / m 2 MB nonwoven 12 was obtained.
- a second SB nonwoven fabric 16 having a fiber diameter of 1.2d and a basis weight of 5.3 g / m 2 was obtained in the same manner as the first SB nonwoven fabric 14, except that the number of layers was one.
- the first SB nonwoven fabric 14, the MB nonwoven fabric 12, and the second SB nonwoven fabric 16 are laminated in-line, and the pressure and temperature are adjusted between the emboss roll (crimp area ratio 18%) and the flat roll, and heat embossed.
- the first SB nonwoven fabric 14 has a thickness of 163 ⁇ m
- the second SB nonwoven fabric 16 has a thickness of 90 ⁇ m
- a basis weight ratio of 2.0 a thickness ratio of 1.8
- the nonwoven fabric laminate 10 was measured for 5% modulus index, air permeability, water pressure resistance, and flexibility.
- the hot-melt adhesive 22 is coated with an olefin-based hot melt adhesive 22 at an application amount of 3 g, m 2 and bonded to the moisture-permeable film 24 to form a moisture-permeable nonwoven fabric laminated sheet 20. Manufactured. For this moisture-permeable nonwoven fabric laminated sheet 20, the penetration property of the hot melt adhesive was measured.
- Fiber diameter by adjusting the molding conditions in Example 1 is 1.4d, the 1 SB nonwoven 14 and a basis weight force S9.4g / m 2, the fiber diameter of 1.4d, weight per unit area at 4.7 g / m 2
- Each of the second SB nonwoven fabrics 16 was obtained.
- MB nonwoven 12 fiber diameter of 2 m, basis weight was obtained 0.9 g / m 2.
- Example 2 Other conditions were the same as in Example 1, and the nonwoven fabric laminate 10 (the thickness of the first SB nonwoven fabric 14 was 14 8 / ⁇ ⁇ , the thickness of the second SB nonwoven fabric 16 was 81 m, and the basis weight ratio was 2.0. A thickness ratio of 1.8 and a total weight of 15 g / m 2 ) and a moisture-permeable nonwoven fabric laminated sheet 20 were produced, and each characteristic was evaluated and measured in the same manner as in Example 1.
- Example 5 The molding conditions were adjusted in Example 1, basis weight force S9.4g / m 2 (Example 3), 8.7g / m 2 (Example 4), the 1SB nonwoven 14 of 10.6 g / m 2 (Example 5)
- second SB nonwoven fabrics 1 having a basis weight of 4.7 g / m 2 (Example 3), 5.4 g / m 2 (Example 4), and 3.5 g / m 2 (Example 5) were obtained.
- Nonwoven fabric laminate 10 [thickness force of first SB nonwoven fabric 14 14 3 m (Example 3), 130 m (Example 4), 153 m (Example 5)
- the thickness of the second SB nonwoven fabric 16 is 8 m (Example 3), 92 m (Example 4), 69 m (Example 5), and the basis weight ratio is 2.0 (Example 3), 1.6 (Example) 4), 3.0 (Example 5), thickness ratio 1.8 (Example 3), 1.4 (Example 4), 2.2 (Example 5) and total weight 15 g / m 2 ], and a moisture-permeable nonwoven fabric laminated sheet 20 was produced, and each characteristic was evaluated and measured in the same manner as in Example 1.
- Example 1 the molding conditions were adjusted, the fiber diameter was 0.8d, the basis weight was 9.4g / m 2 (Example 6), 10.6g / m 2 (Example 7), 8.7g / m 2 (Example 8)
- the first SB nonwoven fabric 14 has a fiber diameter of 0.8d and a basis weight of 4.7 g / m 2 (Example 6), 3.5 g / m 2 (Example 7), and 5.4 g / m 2 (Example 8).
- a second SB nonwoven fabric 16 was obtained.
- Example 8 The other conditions were the same as in Example 1, and the nonwoven fabric laminate 10 [the thickness of the first SB nonwoven fabric 14 was 134 m (Example 6), 140 / zm (Example 7), 123 m (Example 8), the thickness of the second SB nonwoven fabric 16 is 4 m (Example 6), 67 m (Example 7), 89 m (Example 8), and the basis weight ratio is 2.0 (Example 6), 3.0 ( Example 7), 1.6 (Example 8) Thickness ratio is 1.8 (Example 6), 2.1 (Example 7), 1.4 (Example 8) and total weight is 15 g / m 2 ] 20 was produced, and each characteristic was evaluated and measured in the same manner as in Example 1.
- Example 1 the first SB nonwoven fabric 14 having a fiber diameter of 0.8 d and a basis weight of 8.7 g / m 2 and a fiber diameter of 0.8 d and a basis weight of 4.3 g / m were prepared by adjusting the molding conditions.
- the second SB nonwoven fabric 16, which was 2 was obtained.
- MB nonwoven 12 fiber diameter of 2 m, basis weight was obtained 2.0 g / m 2.
- Example 2 Other conditions were the same as in Example 1, and the nonwoven fabric laminate 10 [the thickness of the first SB nonwoven fabric 14 was 125 m, the thickness of the second SB nonwoven fabric 16 was 68 ⁇ m, and the nonwoven fabric laminate 10 Specific weight ⁇ .0 thickness ratio 1.8 and total weight 15 g / m 2 ] and a moisture-permeable nonwoven fabric laminated sheet 20 were produced, and each characteristic was evaluated and measured in the same manner as in Example 1.
- Example 1 the first SB nonwoven fabric 14 having a fiber diameter of 0.5 d and a basis weight of 8.7 g / m 2 and a fiber diameter of 0.5 d and a basis weight of 5.4 g / m were prepared by adjusting the molding conditions.
- the second SB nonwoven fabric 16, which was 2 was obtained.
- MB nonwoven 12 fiber diameter of 2 m, basis weight was obtained 0.9 g / m 2.
- Other conditions were the same as in Example 1, and the nonwoven fabric laminate 10 (the thickness of the first SB nonwoven fabric 14 was 11 7 / ⁇ ⁇ , the thickness of the second SB nonwoven fabric 16 was 85 m, and the basis weight ratio was 1.6.
- a thickness ratio of 1.4 and a total basis weight of 15 g / m 2 ) and a moisture-permeable nonwoven fabric laminated sheet 20 were produced, and each characteristic was evaluated and measured in the same manner as in Example 1.
- Example 14 The molding conditions were adjusted in Example 1, the fiber diameter was 1.2d, and the basis weight was 7.1 g / m 2 (Example 11), 8.1 g / m 2 (Example 12), 9.1 g / m 2 (Example) 13), 7.5 g / m 2 (Example 14), the first SB non-woven fabric 14 and the fiber diameter is 1.2d, the basis weight 3 ⁇ 4.9 g / m 2 (Example 11), 4.0 g / m 2 (Example 12) Second SB nonwoven fabrics 16 of 3.0 g / m 2 (Example 13) and 4.6 g / m 2 (Example 14) were obtained.
- the MB nonwoven fabric 12 had a fiber diameter of 2.0 g / m 2 (Example 11) and 0.9 g / m 2 (Examples 12 to 14).
- Example 11 the thickness of the first SB nonwoven fabric 14 was 10 9 m (Example 11), 122 m (Example 12), 133 m (Example 13) ), 111 m (Example 14), and the thickness of the second SB nonwoven fabric 16 is 67 m (Example 11), 67 m (Example 12), 53 m (Example 13), and 78 m (Example 14).
- the basis weight ratio of the nonwoven fabric laminate 10 is 1.8 (Example 11), 2.0 (Example 12), 3.0 (Example 13), 1.6 (Example 14), and the thickness ratio is 1.6 (Example 11), 1.8 ( Examples 12), 2.5 (Example 13), 1.4 (Example 14) and a total basis weight of 13 g / m 2 ], and a moisture-permeable nonwoven fabric laminated sheet 20 were produced, and evaluation of each characteristic was performed in the same manner as in Example 1. And measurements were taken.
- Second SB nonwoven fabrics 16 having a diameter of 0.8 d and a basis weight of 4.0 Og / m 2 (Example 15) and 4.6 g / m 2 (Example 16) were obtained.
- MB nonwoven 12 fiber diameter of 2 m, basis weight was obtained 0.9 g / m 2.
- Example 16 Other conditions were the same as in Example 1, and the nonwoven fabric laminate 10 [thickness of the first SB nonwoven fabric 14 was 115 m (Example 15), 104 / zm (Example 16), and the second SB nonwoven fabric 16 The thickness is 63 / zm (Example 15), 75 m (Example 16), and the basis weight ratio of the nonwoven fabric laminate 10 is 2.0 (Example 15), 1.6 (Example) Example 16), a thickness ratio of 1.8 (Example 15), 1.4 (Example 16) and a total basis weight of 13 g / m 2 ) and a moisture-permeable nonwoven fabric laminated sheet 20 were produced. Evaluation and measurement of characteristics
- Second SB nonwoven fabrics 16 having a diameter of 0.5 d and a basis weight of 4.0 Og / m 2 (Example 17) and 4.6 g / m 2 (Example 18) were obtained.
- MB nonwoven fabric 12 had a fiber diameter of 2 m and a basis weight of 0.9 g / m 2 .
- Example 18 Other conditions were the same as in Example 1, and the nonwoven fabric laminate 10 [thickness of the first SB nonwoven fabric 14 was 110 m (Example 17), 101 / zm (Example 18), and the second SB nonwoven fabric 16 The thickness is 62 / zm (Example 17), 73 m (Example 18), the basis weight ratio of the nonwoven fabric laminate 10 is 2.0 (Example 17), 1.6 (Example 18), and the thickness ratio is 1.8 (Example) Example 17), 1.4 (Example 18) and a total basis weight of 13 g / m 2 ] and a moisture-permeable nonwoven fabric laminated sheet 20 were produced, and the characteristics were evaluated and measured in the same manner as in Example 1.
- Example 1 the molding conditions were adjusted, the first SB nonwoven fabric 14 having a fiber diameter of 1.2d and a basis weight of 6.1 g / m 2 and a fiber diameter of 1.2d and a basis weight of 3 ⁇ 4.0 g / m 2 A second SB nonwoven fabric 16 was obtained.
- Example 1 Other conditions were the same as in Example 1, and the nonwoven fabric laminate 10 (the thickness of the first SB nonwoven fabric 14 was 90 ⁇ m, the thickness of the second SB nonwoven fabric 16 was 49 m, and the basis weight of the nonwoven fabric laminate 10 was The ratio was 2.0, the thickness ratio was 1.8, the total basis weight was 10 g / m 2 ), and a moisture-permeable nonwoven fabric laminated sheet 20 was produced. Each characteristic was evaluated and measured as in Example 1.
- Example 2 The molding conditions were adjusted in Example 1, the fiber diameter was 0.8d, and the basis weight was 6.1 g / m 2 (Example 20), 6.9 g / m 2 (Example 21), 1st SB nonwoven fabric 14 which is 5.6 g / m 2 (Example 22), and fiber diameter force .8d, basis weight 3 ⁇ 4.0 g / m 2 (implementation) Second SB nonwoven fabrics 16 of Example 20), 2.3 g / m 2 (Example 21), and 3.5 g / m 2 (Example 22) were obtained.
- Example 2 Other conditions were the same as in Example 1, and the nonwoven fabric laminate 10 [the thickness of the first SB nonwoven fabric 14 was 87 m (Example 20), 97 m (Example 21), 80 m (Example 22) The thickness of the second SB nonwoven fabric 16 is 48 / zm (Example 20), 37 / zm (Example 21), 56 / zm (Example 22), and the basis weight ratio of the nonwoven fabric laminate 10 is 2.0 (implemented).
- Example 20 3.0 (Example 21), 1.6 (Example 22), thickness ratio 1.8 (Example 20), 2.6 (Example 21), 1.4 (Example 22) and total weight 10 g / m 2 ] And a moisture-permeable nonwoven fabric laminate sheet 20 were produced, and each characteristic was evaluated and measured in the same manner as in Example 1.
- Example 2 The molding conditions were adjusted in Example 1, the fiber diameter was 0.5d, and the basis weight was 6.1 g / m 2 (Example 23), 6.9 g / m 2 (Example 24), 6.9 g / m 2 (Example) 25) the 1SB nonwoven 14 and a, a fiber diameter force .5d, basis weight force 3 ⁇ 4.0g / m 2 (example 23), 2.3g / m 2 (example 24), 2.3g / m 2 (embodiment Second SB nonwoven fabrics 16 which were Example 25) were obtained.
- MB nonwoven fabric 12 had a basis weight of 0.9 g / m 2 and fiber diameters of 2 ⁇ m (Examples 23 and 24) and 1 ⁇ m (Example 25).
- Example 23 Other conditions were the same as in Example 1, and the nonwoven fabric laminate 10 [the thickness of the first SB nonwoven fabric 14 was 85 m (Example 23), 94 m (Example 24), 94 m (Example 25) The thickness of the second SB nonwoven fabric 16 is 45 ⁇ m (Example 23), 38 m (Example 24), 38 m (Example 25), and the basis weight ratio of the nonwoven fabric laminate 10 is 2.0 (Example 23).
- Example 24 3.0 (Example 24), 3.0 (Example 25), thickness ratio 1.9 (Example 23), 2.5 (Example 24), 2.5 (Example 25), and a total weight of 10 g / m 2 ] and Then, a moisture-permeable nonwoven fabric laminate sheet 20 was produced, and each characteristic was evaluated and measured in the same manner as in Example 1.
- Example 1 the molding conditions were adjusted, and the first SB nonwoven fabric 14 having a fiber diameter of 0.8 d and a basis weight of 4.0 g / m 2 and a fiber diameter of 0.8 d and a basis weight of 3 ⁇ 4.lg / m 2
- the second SB nonwoven 16 I got each.
- MB nonwoven fabric 12 had a basis weight of 0.9 g / m 2 and a fiber diameter of 1 ⁇ m.
- Example 2 Other conditions were the same as in Example 1, and the nonwoven fabric laminate 10 (the thickness of the first SB nonwoven fabric 14 was 58 ⁇ m, the thickness of the second SB nonwoven fabric 16 was 34 m, and the basis weight of the nonwoven fabric laminate 10 was The ratio was 1.9, the thickness ratio was 1.7, the total basis weight was 7 g / m 2 ), and a moisture-permeable nonwoven fabric laminate sheet 20 was produced. Each characteristic was evaluated and measured in the same manner as in Example 1.
- Example 2 The molding conditions were adjusted in Example 1, the fiber diameter of 0.5d, the 1SB nonwoven 14 and a basis weight force .lg / m 2, the fiber diameter of 0.5d, with basis weight force 3 ⁇ 4.0g / m 2 A second SB nonwoven fabric 16 was obtained.
- Example 2 Other conditions were the same as in Example 1, and the nonwoven fabric laminate 10 (the thickness of the first SB nonwoven fabric 14 was 63 ⁇ m, the thickness of the second SB nonwoven fabric 16 was 33 m, and the basis weight of the nonwoven fabric laminate 10 was The ratio was 2.1, the thickness ratio was 1.9, the total basis weight was 7 g / m 2 ), and a moisture-permeable nonwoven fabric laminate sheet 20 was produced. Each characteristic was evaluated and measured in the same manner as in Example 1.
- Example 1 the molding conditions were adjusted, and the first SB nonwoven fabric 14 with a fiber diameter of 0.8d and a basis weight of 14.3 gZm 2 and a fiber diameter of 0.8d and a basis weight of 0.8 g / m 2 were obtained. 2SB nonwoven fabrics 16 were obtained respectively.
- MB nonwoven 12 fiber diameter of 1 mu m, basis weight was obtained O.lgZm 2.
- Example 2 The other conditions were the same as in Example 1, and the nonwoven fabric laminate 10 (the thickness of the first SB nonwoven fabric 14 was 220 m, the thickness of the second SB nonwoven fabric 16 was 76 ⁇ m, and the basis weight of the nonwoven fabric laminate 10 was The ratio was 3.0, the thickness ratio was 2.9, the total basis weight was 19 gZm 2 ), and a moisture-permeable nonwoven fabric laminate sheet 20 was produced. Each characteristic was evaluated and measured in the same manner as in Example 1.
- Example 29 The molding conditions were adjusted in Example 1, the first SB nonwoven fabric 14 having a fiber diameter of 0.8d and a basis weight of ll.lgZm 2 and a fiber diameter of 0.8d and a basis weight of 5.5 g / m 2 . Second SB nonwoven fabrics 16 were obtained.
- Example 2 Other conditions were the same as in Example 1, and the nonwoven fabric laminate 10 (the thickness of the first SB nonwoven fabric 14 was 168 m, the thickness of the second SB nonwoven fabric 16 was 86 ⁇ m, and the basis weight of the nonwoven fabric laminate 10 was The ratio was 2.0, the thickness ratio was 1.8, the total basis weight was 17 gZm 2 ), and a moisture-permeable nonwoven fabric laminate sheet 20 was produced. Each characteristic was evaluated and measured in the same manner as in Example 1.
- a non-woven fabric laminate 10 [the thickness of the first SB non-woven fabric 14 is equal to that of Example 1 except that an embossing roll of 6% (Example 30) and 25% (Example 31) was used. 115 m (Example 30), 115 ⁇ m (Example 31), the thickness of the second SB nonwoven fabric 16 is 63 ⁇ m (Example 30), 63 ⁇ m (Example 31), and the nonwoven fabric laminate 10
- the basis weight ratio is 2.0 (Example 30), 2.0 (Example 31), the thickness specific force 8 (Example 30), 1.8 (Example 31) and the total basis weight is 13 gZm 2 ], and a moisture-permeable nonwoven fabric laminate sheet 20 was produced, and each characteristic was evaluated and measured in the same manner as in Example 1.
- the first SB non-woven fabric 14 and the fiber having a fiber diameter of 0.0d and a fabric weight of 3 ⁇ 4.lgZm 2 were prepared by adjusting the molding conditions and forming the first SB non-woven fabric layer in Example 1 as one layer.
- Second SB nonwoven fabrics 16 having a diameter of 4.0d and a basis weight of 3.0 gZm 2 were obtained.
- Example 2 Other conditions were the same as in Example 1, and the nonwoven fabric laminate 10 (the thickness of the first SB nonwoven fabric 14 was 54 m, the thickness of the second SB nonwoven fabric 16 was 53 m, the basis weight ratio was 1.0, and the thickness ratio 1.0 and total weight 7 gZm 2 ) and a moisture-permeable nonwoven fabric laminated sheet 20 were produced, and each characteristic was evaluated and measured in the same manner as in Example 1.
- the nonwoven fabric laminate 10 (the thickness of the first SB nonwoven fabric 14 was 130 m, the thickness of the second SB nonwoven fabric 16 was 92 m, and was The ratio was 1.6, the thickness specific force S1.4, the total basis weight was 15 gZm 2 ), and the moisture-permeable nonwoven fabric laminate sheet 20 was produced, and the characteristics were evaluated and measured in the same manner as in Example 1.
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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EP07707661.0A EP1980390B2 (en) | 2006-02-03 | 2007-01-30 | Nonwoven-fabric laminate, moisture-permeable nonwoven-fabric laminated sheet comprising nonwoven-fabric laminate, and sanitary supply employing these |
JP2007556854A JP4837681B2 (ja) | 2006-02-03 | 2007-01-30 | 不織布積層体、不織布積層体を用いた透湿性不織布積層シートおよびそれらを用いた衛生用品 |
DK07707661.0T DK1980390T4 (en) | 2006-02-03 | 2007-01-30 | Nonwoven laminate, moisture permeable nonwoven laminated sheet material comprising nonwoven laminate and hygiene article using these |
CN2007800037606A CN101374652B (zh) | 2006-02-03 | 2007-01-30 | 非织造布层叠体、使用非织造布层叠体的透湿性非织造布层叠片以及使用它们的卫生用品 |
US12/278,034 US20090061185A1 (en) | 2006-02-03 | 2007-01-30 | Nonwoven fabric laminate, moisture-permeable nonwoven fabric laminated sheet using nonwoven fabric laminate, and sanitary products using them |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2006-027188 | 2006-02-03 | ||
JP2006027188 | 2006-02-03 |
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WO2007088828A1 true WO2007088828A1 (ja) | 2007-08-09 |
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PCT/JP2007/051430 WO2007088828A1 (ja) | 2006-02-03 | 2007-01-30 | 不織布積層体、不織布積層体を用いた透湿性不織布積層シートおよびそれらを用いた衛生用品 |
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US (1) | US20090061185A1 (ja) |
EP (1) | EP1980390B2 (ja) |
JP (1) | JP4837681B2 (ja) |
KR (1) | KR20080099303A (ja) |
CN (1) | CN101374652B (ja) |
DK (1) | DK1980390T4 (ja) |
MY (1) | MY146014A (ja) |
TW (1) | TWI405670B (ja) |
WO (1) | WO2007088828A1 (ja) |
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JPWO2016002950A1 (ja) * | 2014-07-03 | 2017-04-27 | 出光興産株式会社 | スパンボンド不織布及びその製造方法 |
JP2019516875A (ja) * | 2016-05-18 | 2019-06-20 | ファイバーテクス・パーソナル・ケア・アクティーゼルスカブ | メルトブローン不織層及びスパンボンド不織層を備えた不織ラミネート布 |
JP2020186512A (ja) * | 2016-05-18 | 2020-11-19 | ファイバーテクス・パーソナル・ケア・アクティーゼルスカブ | メルトブローン不織層及びスパンボンド不織層を備えた不織ラミネート布 |
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CN113041028A (zh) * | 2021-02-20 | 2021-06-29 | 常州维盛无纺科技有限公司 | 一种防水高透气无纺布及其制作方法 |
Also Published As
Publication number | Publication date |
---|---|
TWI405670B (zh) | 2013-08-21 |
US20090061185A1 (en) | 2009-03-05 |
CN101374652B (zh) | 2013-06-12 |
KR20080099303A (ko) | 2008-11-12 |
JP4837681B2 (ja) | 2011-12-14 |
JPWO2007088828A1 (ja) | 2009-06-25 |
DK1980390T4 (en) | 2017-01-23 |
MY146014A (en) | 2012-06-15 |
EP1980390A1 (en) | 2008-10-15 |
EP1980390B1 (en) | 2013-06-19 |
DK1980390T3 (da) | 2013-08-26 |
EP1980390A4 (en) | 2012-03-21 |
CN101374652A (zh) | 2009-02-25 |
TW200744849A (en) | 2007-12-16 |
EP1980390B2 (en) | 2016-12-07 |
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