WO2010004894A1 - 吸水シート組成物 - Google Patents
吸水シート組成物 Download PDFInfo
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- WO2010004894A1 WO2010004894A1 PCT/JP2009/061812 JP2009061812W WO2010004894A1 WO 2010004894 A1 WO2010004894 A1 WO 2010004894A1 JP 2009061812 W JP2009061812 W JP 2009061812W WO 2010004894 A1 WO2010004894 A1 WO 2010004894A1
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- Prior art keywords
- water
- sheet composition
- absorbent
- absorbing
- absorbent resin
- Prior art date
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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
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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
- 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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- 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
- A61F13/15203—Properties of the article, e.g. stiffness or absorbency
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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
- A61F13/53—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 absorbing medium
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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
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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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
- 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
- B32B5/02—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 structural features of a fibrous or filamentary layer
- B32B5/022—Non-woven fabric
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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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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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
- A61F13/53—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 absorbing medium
- A61F2013/530481—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 absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials
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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
- B32B2250/00—Layers arrangement
- B32B2250/20—All layers being fibrous or filamentary
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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
- B32B2255/00—Coating on the layer surface
- B32B2255/02—Coating on the layer surface on fibrous or filamentary layer
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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
- B32B2255/00—Coating on the layer surface
- B32B2255/26—Polymeric coating
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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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0253—Polyolefin fibres
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0276—Polyester fibres
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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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/04—Cellulosic plastic fibres, e.g. rayon
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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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/14—Mixture of at least two fibres made of different materials
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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
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/02—Synthetic macromolecular particles
- B32B2264/0214—Particles made of materials belonging to B32B27/00
- B32B2264/0228—Vinyl resin particles, e.g. polyvinyl acetate, polyvinyl alcohol polymers or ethylene-vinyl acetate copolymers
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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
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/02—Synthetic macromolecular particles
- B32B2264/0214—Particles made of materials belonging to B32B27/00
- B32B2264/0228—Vinyl resin particles, e.g. polyvinyl acetate, polyvinyl alcohol polymers or ethylene-vinyl acetate copolymers
- B32B2264/0235—Aromatic vinyl resin, e.g. styrenic (co)polymers
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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
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/12—Mixture of at least two particles made of different materials
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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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/728—Hydrophilic
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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
- B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
- B32B2309/14—Velocity, e.g. feed speeds
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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
- B32B2555/00—Personal care
- B32B2555/02—Diapers or napkins
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/659—Including an additional nonwoven fabric
Definitions
- the present invention relates to a water absorbent sheet composition that can be used in the field of sanitary materials. Specifically, the present invention relates to a water-absorbent sheet composition that is thin and can be suitably used for absorbent articles such as paper diapers. Furthermore, this invention relates to absorbent articles, such as a paper diaper which uses this water absorbing sheet composition.
- Body fluid absorbent articles used for sanitary materials such as disposable diapers
- the absorbent body that absorbs liquids such as body fluid is in contact with the body with a flexible liquid-permeable surface sheet (top sheet) disposed on the side in contact with the body It has a structure sandwiched by a liquid-impermeable back sheet (back sheet) disposed on the opposite side.
- top sheet liquid-permeable surface sheet
- back sheet liquid-impermeable back sheet
- an absorber using a low ratio of hydrophilic fibers and using a large amount of water-absorbing resin is preferable for thinning from the viewpoint of reducing bulky hydrophilic fibers and retaining liquid.
- a so-called “gel blocking phenomenon” occurs, It has the disadvantages that the diffusibility is remarkably lowered and the liquid permeation rate of the absorber is slowed down.
- This “gel blocking phenomenon” means that when a dense absorbent body absorbs a liquid, the water absorbent resin existing near the surface layer absorbs the liquid, and the soft gel becomes denser near the surface layer.
- Patent Document 1 a method of using two types of water-absorbing resins having different water absorption performance
- Patent Document 2 a method using a water-absorbing resin having a high surface crosslink density
- a method of fixing a water-absorbing resin to hydrophilic fibers has been studied.
- a method in which a thermoplastic adhesive fiber is contained in an absorbent body composed of a water absorbent resin and a hydrophilic fiber and the absorbent body is heat-sealed see Patent Document 3
- a water absorbent resin and a hydrophilic fiber using an emulsion adhesive for example, a method for fixing a hydrophilic fiber, a method for fixing a water-absorbent resin to a substrate using a hot melt adhesive (see Patent Document 4), and the like have been proposed.
- the fiber base material enters the polymer particles and is firmly fixed.
- An object of the present invention is to provide a water-absorbent sheet composition that has a sufficient absorption capacity and that can be suitably used for a paper diaper, even if it is thin, does not lose its shape after liquid absorption. Furthermore, the objective of this invention is providing the absorbent articles, such as a paper diaper, which uses this water absorbing sheet composition.
- the present invention [1] A water-absorbing sheet composition having a structure in which a water-absorbent resin and a hot melt adhesive are sandwiched between two or more hydrophilic nonwoven fabrics, wherein the basis weight of the hydrophilic nonwoven fabric is 25 g / m 2 or more, A water-absorbing sheet composition having a water-absorbing resin content of 200 to 400 g / m 2 and a hot-melt adhesive content of 0.10 to 0.50 times the water-absorbing resin content (mass basis); ] It is related with an absorptive article formed by sandwiching a water-absorbing sheet composition given in the above [1] with a liquid permeable sheet and a liquid impermeable sheet.
- the water-absorbing sheet composition of the present invention exhibits an excellent effect that even if it is thin, it does not lose its shape before or after liquid absorption and can fully exhibit water-absorbing ability. Therefore, by using the water-absorbent sheet composition of the present invention as an absorbent body of a paper diaper, it is possible to provide a sanitary material that is thin and excellent in design of appearance and has no inconvenience such as liquid leakage. Moreover, the water-absorbing sheet composition of the present invention can be used not only in the field of sanitary materials but also in the fields of agriculture and building materials.
- the water-absorbent sheet composition of the present invention may be an aspect in which hydrophilic fibers such as pulp fibers are mixed with the water-absorbent resin between the nonwoven fabrics in such an amount that does not impair the effects of the present invention. From this point of view, it is preferable that the embodiment does not substantially contain hydrophilic fibers.
- water-absorbing resins can be used as the type of water-absorbing resin.
- starch-acrylonitrile graft copolymer hydrolyzate starch-acrylic acid graft polymer neutralized product, vinyl acetate-acrylic ester copolymer
- saponified polymers and partially neutralized polyacrylic acid.
- a partially neutralized polyacrylic acid is preferable from the viewpoint of production amount, production cost, water absorption performance, and the like.
- the degree of neutralization of the partially neutralized polyacrylic acid is preferably 50 mol% or more, more preferably 70 to 90 mol%, from the viewpoint of increasing the osmotic pressure of the water absorbent resin and enhancing the water absorption capacity.
- the content of the water-absorbent resin is 200 to 400 g / m 2 , preferably 220 to 370 g / m 2 from the viewpoint of obtaining sufficient absorption capacity when the water-absorbent sheet composition of the present invention is used for paper diapers and the like. 2 and more preferably 240 to 330 g / m 2 . If the content of the water-absorbent resin is less than 200 g / m 2 , sufficient absorption capacity as an absorber cannot be obtained, and the amount of reversion tends to increase. On the other hand, if it exceeds 400 g / m 2 , the gel blocking phenomenon tends to occur, the liquid diffusing performance as an absorber deteriorates, and the permeation rate tends to be slow.
- the absorption capacity of the water absorbent sheet composition of the present invention is affected by the water absorption capacity of the water absorbent resin used. Therefore, the water-absorbent resin used in the present invention takes into consideration the structure of each component of the water-absorbent sheet composition, the water-absorbing capacity (water retention capacity) of the water-absorbent resin, the water absorption capacity under load, the water absorption speed, etc. It is preferable to select one having a suitable performance range.
- the physiological saline water retention capacity of the water-absorbent resin is preferably 25 g / g or more, more preferably 25 to 60 g / g from the viewpoint of absorbing more liquid and keeping the gel strong during absorption to prevent gel blocking phenomenon. 30 to 50 g / g is more preferable.
- the physiological saline water retention capacity of the water-absorbent resin is a value obtained by the measurement method described in Examples described later.
- the water absorption capacity under load is also important from the viewpoint that it is preferable that the water absorption capacity is high even when exposed to the load of the wearer.
- the saline water absorption capacity of the water absorbent resin under a load of 4.14 kPa is preferably 15 mL / g or more, more preferably 20 to 35 mL / g.
- the physiological saline water absorption capacity of the water absorbent resin under a load of 4.14 kPa is a value obtained by the measurement method described in Examples described later.
- the physiological saline water absorption rate of the water absorbent resin is preferably less than 60 seconds, more preferably from the viewpoint of increasing the penetration rate of the water absorbent sheet composition of the present invention and preventing liquid leakage when used in sanitary materials. Is less than 50 seconds.
- the water absorption rate of the water absorbent resin is a value obtained by the measurement method described in Examples described later.
- the weight-average particle diameter of the water-absorbent resin is a viewpoint that improves the texture by preventing the water-absorbent resin composition in the water-absorbent sheet composition and the gel-blocking phenomenon at the time of water absorption and reducing the jerky feel of the water-absorbent sheet composition. Therefore, 50 to 1000 ⁇ m is preferable, 100 to 800 ⁇ m is more preferable, and 200 to 500 ⁇ m is more preferable.
- hot melt adhesive examples include rubber adhesives such as natural rubber, butyl rubber and polyisoprene; styrene-isoprene block copolymer (SIS), styrene-butadiene block copolymer (SBS).
- rubber adhesives such as natural rubber, butyl rubber and polyisoprene
- SIS styrene-isoprene block copolymer
- SBS styrene-butadiene block copolymer
- Styrene-isobutylene block copolymer SIBS
- styrene elastomer adhesive such as styrene-ethylene-butylene-styrene block copolymer (SEBS); ethylene-vinyl acetate copolymer (EVA) adhesive; ethylene- Ethylene-acrylic acid derivative copolymer adhesives such as ethyl acrylate copolymer (EEA) and ethylene-butyl acrylate copolymer (EBA); Ethylene-acrylic acid copolymer (EAA) adhesive; Copolymer nylon , Polyamide-based adhesives such as dimer acid-based polyamide; polyethylene, polypropylene, atactic polypropylene, copolymer poly Polyolefin adhesives such as olefins; Polyethylene terephthalate (PET), Polybutylene terephthalate (PBT), polyester adhesives such as copolymer polyesters, and acrylic adhesives, and
- an ethylene-vinyl acetate copolymer adhesive and a styrene elastomer adhesive are used from the viewpoint of strong adhesive strength and prevention of peeling of the hydrophilic nonwoven fabric and dissipation of the water absorbent resin in the water absorbent sheet composition. Is preferred.
- the melting temperature or softening point of the hot melt adhesive is preferably 60 to 180 ° C. from the viewpoint of sufficiently fixing the water absorbent resin to the nonwoven fabric and preventing thermal deterioration and deformation of the nonwoven fabric.
- the hot melt adhesive is bonded to a non-woven fabric or a hydrophilic resin in a state of solidifying by cooling after melting in the production process of the water-absorbing sheet composition.
- the content of the hot melt adhesive is 0.10 to 0.50 times, preferably 0.12 to 0.30 times, more preferably 0.15 to 0.25 times the content (mass basis) of the water absorbent resin.
- the content of the hot melt adhesive is less than 0.10 times, adhesion is insufficient, and there is a tendency that peeling between hydrophilic nonwoven fabrics, unevenness of water-absorbing resin, and dissipation increase. If it exceeds 0.50 times, the adhesion between hydrophilic nonwoven fabrics becomes too strong, and the swelling of the water-absorbent resin after water absorption is inhibited, so that the water absorption ability and the liquid retention ability tend to be lowered.
- the water-absorbent sheet composition of the present invention is also characterized in that two or more hydrophilic nonwoven fabrics are used.
- the performance as a sanitary material such as the permeation rate and the amount of reversal is such as the hydrophilicity and strength of the liquid permeation side (forward side) nonwoven fabric. It is presumed that it is greatly influenced by various performances. Moreover, in the case of the nonwoven fabric on the opposite side, it is also inferred that performances other than strength and flexibility are not required as much as the forward side.
- the hydrophilic non-woven fabric used in the present invention is not particularly limited as long as it is a non-woven fabric known in the technical field, but from the viewpoint of liquid permeability, flexibility and strength when used as a sheet composition, polyethylene (PE), Non-woven fabric made of polyolefin fibers such as polypropylene (PP), polyester fibers such as polyethylene terephthalate (PET), polytrimethylene terephthalate (PTT), polyethylene naphthalate (PEN), polyamide fibers such as nylon, rayon fibers, and other synthetic fibers And non-woven fabrics produced by mixing cotton, silk, hemp, pulp (cellulose) fibers, etc., and may be a mixture of these two or more types of fibers.
- PE polyethylene
- Non-woven fabric made of polyolefin fibers such as polypropylene (PP)
- polyester fibers such as polyethylene terephthalate (PET), polytrimethylene terephthalate (PTT), polyethylene naphthalate (PEN)
- PET polyethylene
- the surface may be hydrophilized by a well-known method as needed.
- synthetic fiber nonwoven fabrics are preferably used, and in particular, at least one selected from the group consisting of rayon fibers, polyolefin fibers, polyester fibers, and mixtures thereof. Is preferred.
- the hydrophilic non-woven fabric of synthetic fibers may contain a small amount of pulp fibers to the extent that the thickness of the water absorbent sheet composition is not increased.
- the hydrophilic nonwoven fabric is moderately bulky from the viewpoint of imparting good liquid permeability, flexibility, strength and cushioning properties to the water absorbent sheet composition of the present invention, and increasing the penetration speed of the water absorbent sheet composition.
- a nonwoven fabric with a large basis weight is preferred.
- the basis weight is 25 g / m 2 or more, preferably 35 to 250 g / m 2 , more preferably 50 to 150 g / m 2 .
- the water-absorbent sheet composition of the present invention is, for example, a uniform dispersion of a water-absorbent resin and a mixed powder of a hot melt adhesive on a hydrophilic nonwoven fabric, and further overlaying the hydrophilic nonwoven fabric to form a hot melt adhesive. It can be manufactured by thermocompression bonding near the melting temperature.
- the water-absorbing sheet composition of the present invention may be appropriately mixed with additives such as a deodorant, an antibacterial agent and a gel stabilizer.
- the water-absorbent sheet composition of the present invention has a great feature in that it can be thinned, and considering its use for paper diapers, the thickness is preferably 5 mm or less in a dry state, more preferably 4 mm or less. It is preferably 3 mm or less, and more preferably 0.5 to 2 mm.
- Water sheet composition of the present invention considering the use in disposable diapers, from the viewpoint it is preferable absorption capacity is large, the saline water absorption, 2000 g / m 2 or more, more is 4000 g / m 2 or more 6000 to 18000 g / m 2 is more preferable.
- the absorbent article of the present invention comprises the water absorbent sheet composition of the present invention sandwiched between a liquid permeable sheet and a liquid impermeable sheet.
- the absorbent article include paper diapers, incontinence pads, sanitary napkins, pet sheets, food drip sheets, and power cable waterproofing agents.
- the liquid permeable sheet and the liquid impermeable sheet those known in the technical field of absorbent articles can be used without any particular limitation.
- Such an absorbent article can be manufactured by a known method.
- the performance of the water absorbent resin and the water absorbent sheet composition was measured by the following method.
- the 1 includes a burette unit 1, a conduit 2, a measurement table 3, and a measurement unit 4 placed on the measurement table 3.
- a rubber stopper 14 is connected to the upper part of the burette 10
- an air introduction pipe 11 and a cock 12 are connected to the lower part
- a cock 13 is provided on the upper part of the air introduction pipe 11.
- a conduit 2 is attached from the burette part 1 to the measuring table 3, and the diameter of the conduit 2 is 6 mm.
- the measuring unit 4 includes a cylinder 40, a nylon mesh 41 attached to the bottom of the cylinder 40, and a weight 42.
- the inner diameter of the cylinder 40 is 2.0 cm.
- the nylon mesh 41 is formed to 200 mesh (aperture 75 ⁇ m). A predetermined amount of the water-absorbing resin 5 is uniformly distributed on the nylon mesh 41.
- the weight 42 has a diameter of 1.9 cm and a mass of 119.6 g. The weight 42 is placed on the water absorbent resin 5 so that a load of 4.14 kPa can be uniformly applied to the water absorbent resin 5.
- the cock 12 and the cock 13 of the burette unit 1 are closed, and physiological saline adjusted to 25 ° C. is poured from the upper part of the burette 10, and the stopper at the upper part of the burette is plugged with the rubber plug 14. Then, the cock 12 and the cock 13 of the burette unit 1 are opened. Next, the height of the measurement table 3 is adjusted so that the tip of the conduit 2 at the center of the measurement table 3 and the air introduction port of the air introduction tube 11 have the same height.
- the water absorbent resin 5 is uniformly spread on the nylon mesh 41 of the cylinder 40, and the weight 42 is placed on the water absorbent resin 5.
- the measuring part 4 is placed so that the center part thereof coincides with the conduit port of the central part of the measuring table 3.
- the decrease amount of physiological saline in the burette 10 (the amount of physiological saline absorbed by the water-absorbing resin 5) Wc (mL) is read.
- the physiological saline water absorption capacity under the load of the water absorbent resin 5 after 60 minutes from the start of water absorption was determined by the following equation.
- Saline water absorption capacity of water-absorbent resin under 4.14kPa load (mL / g) Wc (mL) ⁇ 0.10 (g)
- ⁇ Mass average particle diameter of water absorbent resin> As a lubricant, 0.5 g of amorphous silica (Degussa Japan Co., Ltd., Sipernat 200) was mixed with 100 g of the water absorbent resin.
- the above water-absorbing resin particles were put on the combined uppermost sieve and classified by shaking for 20 minutes using a low-tap shaker.
- the mass of the water-absorbing resin remaining on each sieve is calculated as a percentage by mass with respect to the total amount, and the mass of the water-absorbing resin remaining on the sieve opening and the sieve is calculated by integrating in order from the larger particle size.
- the relationship between percentage and integrated value was plotted on a logarithmic probability paper. By connecting the plots on the probability paper with a straight line, the particle diameter corresponding to an integrated mass percentage of 50 mass% was defined as the mass average particle diameter.
- ⁇ Saline water absorption amount of water absorbing sheet composition The water-absorbing sheet composition cut into a 7 cm square was used as a sample, and the mass Wd was measured. In a 500 mL beaker, 500 g of physiological saline was added, and a sample of the water-absorbing sheet composition was added thereto and allowed to stand for 1 hour. Measure the mass We (g) of JIS standard sieve with a mesh size of 75 ⁇ m in advance, and use this to filter the contents of the beaker so that the sieve has an inclination angle of about 30 degrees with respect to the horizontal. Excess water was filtered off by standing for 30 minutes in an inclined state.
- a water-absorbent sheet composition was obtained by forming into a sheet by pressure bonding.
- Example 5 In Example 1, a hydrophobic nonwoven fabric (hydrophobic polyethylene terephthalate (100%) with a basis weight of 40 g / m 2 ) was used instead of the hydrophilic nonwoven fabric as the nonwoven fabric (reverse side) to which the water-absorbing resin and the hot melt adhesive were dispersed. Except that was used, a sheet was formed in the same manner as in Example 1 to obtain a water-absorbing sheet composition.
- hydrophobic nonwoven fabric hydrophobic polyethylene terephthalate (100%) with a basis weight of 40 g / m 2
- the nonwoven fabric reverse side
- Table 1 shows the presence / absence of liquid leakage when the test solution is charged, the permeation rate, the amount of reversion and the diffusion length, and the presence / absence of dissipation of the water absorbent resin.
- the water-absorbing sheet compositions of Examples 1 and 2 have a faster permeation rate, a smaller amount of reversion, and good liquid diffusion compared to those of Comparative Examples 1 to 4. Further, in the water absorbent sheet composition of Comparative Example 5 using a hydrophobic nonwoven fabric on the opposite side, the test liquid was not absorbed by the water absorbent sheet when the test liquid was added, and liquid leakage from the water absorbent sheet occurred. Therefore, comparative evaluation could not be performed.
- the water-absorbent sheet composition of the present invention can be used in the sanitary material field, the agricultural field, the building material field, and the like, and in particular, can be suitably used for paper diapers.
Landscapes
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- Public Health (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Epidemiology (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Textile Engineering (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Laminated Bodies (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
Description
〔1〕吸水性樹脂及びホットメルト接着剤が、2枚以上の親水性不織布により挟持された構造を有する吸水シート組成物であって、前記親水性不織布の目付量が25g/m2以上、前記吸水性樹脂の含有量が200~400g/m2、前記ホットメルト接着剤の含有量が、吸水性樹脂の含有量(質量基準)の0.10~0.50倍である、吸水シート組成物;並びに
〔2〕前記〔1〕に記載の吸水シート組成物を、液体透過性シート及び液体不透過性シートで狭持してなる、吸収性物品に関する。
吸水性樹脂2.0gを、綿袋(メンブロード60番、横100mm×縦200mm)中に計り取り、500mL容のビーカーに入れた。綿袋に生理食塩水(0.9質量%塩化ナトリウム水溶液、以下同様)500gを一度に注ぎ込み、吸水性樹脂のママコが発生しないように生理食塩水を分散させた。綿袋の上部を輪ゴムで縛り、1時間放置して、吸水性樹脂を十分に膨潤させた。遠心力が167Gとなるよう設定した脱水機(国産遠心機株式会社製、品番:H-122)を用いて綿袋を1分間脱水し、脱水後の膨潤ゲルを含んだ綿袋の質量Wa(g)を測定した。吸水性樹脂を添加せずに同様の操作を行い、綿袋の湿潤時空質量Wb(g)を測定し、次式により吸水性樹脂の生理食塩水保水能を求めた。
吸水性樹脂の生理食塩水保水能(g/g)=[Wa-Wb](g)/吸水性樹脂の質量(g)
吸水性樹脂の4.14kPa荷重下での生理食塩水吸水能は、図1に機略構成を示した測定装置Xを用いて測定した。
吸水性樹脂の4.14kPa荷重下での生理食塩水吸水能(mL/g)=Wc(mL)÷0.10(g)
本試験は、25℃±1℃に調節された室内で行なった。100mL容のビーカーに、生理食塩水50±0.1gを量りとり、マグネチックスターラーバー(8mmφ×30mmのリング無し)を投入し、ビーカーを恒温水槽に浸漬して、液温を25±0.2℃に調節した。次に、マグネチックスターラー上にビーカーを置いて、回転数600r/minとして、生理食塩水に渦を発生させた後、吸水性樹脂2.0±0.002gを、前記ビーカーに素早く添加し、ストップウォッチを用いて、吸水性樹脂の添加後から液面の渦が収束する時点までの時間(秒)を測定し、吸水性樹脂の吸水速度とした。
吸水性樹脂100gに、滑剤として、0.5gの非晶質シリカ(デグサジャパン(株)、Sipernat 200)を混合した。
(B)JIS標準篩を上から、目開き850μmの篩、目開き600μmの篩、目開き500μmの篩、目開き425μmの篩、目開き300μmの篩、目開き250μmの篩、目開き150μmの篩及び受け皿の順に組み合わせた。
吸水シート組成物を、7cm四方の正方形に切断したものをサンプルとし、質量Wdを測定した。
500mL容のビーカーに生理食塩水500gを入れ、これに吸水シート組成物のサンプルを添加して1時間静置した。目開き75μmのJIS標準篩いの質量We(g)をあらかじめ測定しておき、これを用いて、前記ビーカーの内容物をろ過し、篩いを水平に対して約30度の傾斜角となるように傾けた状態で、30分間放置することにより余剰の水分をろ別した。サンプルの入った篩いの質量Wf(g)を測定し、以下の式により、吸水シート組成物の生理食塩水吸水能を算出した。
吸水シート組成物の生理食塩水吸水能(g/m2)=[Wf-We-Wd](g)/0.0049(m2)
吸水シート組成物を10×30cmの短冊状に切断したものを、サンプルとして使用した。
逆戻り量(g)=Wh-Wg
その後、試験液の拡散長D(cm)を測定した(図4)。
目付量60g/m2のレーヨン繊維とポリエチレンテレフタレート繊維の混合体(レーヨン繊維/ポリエチレンテレフタレート繊維=65/35(質量比))からなる親水性不織布(逆側)の上に、ポリアクリル酸部分中和物(中和度:75モル%)からなる高吸水性樹脂「アクアキープSA55SX II」(住友精化(株)社製、生理食塩水保水能:35g/g、4.14kPa荷重下での生理食塩水吸水能:24mL/g、生理食塩水吸水速度:42秒、質量平均粒径:370μm)とホットメルト接着剤としてエチレン-酢酸ビニル共重合体(溶融温度95℃)とをそれぞれの量がシート面積に対して表1に示す含有量となるように均一に混合した粉末を、均一に散布した。上部から、目付量60g/m2のレーヨン繊維とポリエチレンテレフタレート繊維の混合体(レーヨン繊維/ポリエチレンテレフタレート繊維=65/35(質量比))からなる親水性不織布(順側)を載せた後、加熱圧着によりシート化して、吸水シート組成物を得た。
実施例1において、吸水性樹脂とホットメルト接着剤を散布する不織布(逆側)として、親水性不織布の代わりに、疎水性不織布(目付量40g/m2の疎水性ポリエチレンテレフタレート(100%))を使用した以外は、実施例1と同じ方法でシート化し、吸水シート組成物を得た。
1 ビュレット部
10 ビュレット
11 空気導入管
12 コック
13 コック
14 ゴム栓
2 導管
3 測定台
4 測定部
40 円筒
41 ナイロンメッシュ
42 重り
5 吸水性樹脂
6 円筒型シリンダー
7 試験液
8 重り
9 濾紙
A サンプル(吸水シート組成物)
B 液体透過性シート
C 液体不透過性シート
D 拡散長
Claims (7)
- 吸水性樹脂及びホットメルト接着剤が、2枚以上の親水性不織布により挟持された構造を有する吸水シート組成物であって、前記親水性不織布の目付量が25g/m2以上、前記吸水性樹脂の含有量が200~400g/m2、前記ホットメルト接着剤の含有量が、吸水性樹脂の含有量(質量基準)の0.10~0.50倍である、吸水シート組成物。
- 親水性不織布が、レーヨン繊維、ポリオレフィン繊維、ポリエステル繊維及びそれらの混合体からなる群より選ばれた少なくとも1種である、請求項1記載の吸水シート組成物。
- 吸水性樹脂の生理食塩水保水能が、25g/g以上である、請求項1又は2記載の吸水シート組成物。
- ホットメルト接着剤が、エチレン-酢酸ビニル共重合体接着剤及びスチレン系エラストマー接着剤より選ばれた少なくとも1種である、請求項1~3いずれか記載の吸水シート組成物。
- 吸水シート組成物の厚みが、乾燥状態で5mm以下である、請求項1~4いずれか記載の吸水シート組成物。
- 吸水シート組成物の生理食塩水吸水量が、2000g/m2以上である、請求項1~5いずれか記載の吸水シート組成物。
- 請求項1~6のいずれか1項に記載の吸水シート組成物を、液体透過性シート及び液体不透過性シートで狭持してなる、吸収性物品。
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ES09794340.1T ES2527139T3 (es) | 2008-07-11 | 2009-06-29 | Composición de hoja absorbente de agua |
US13/002,996 US20110151228A1 (en) | 2008-07-11 | 2009-06-29 | Water-absorbent sheet composition |
PL09794340T PL2314264T3 (pl) | 2008-07-11 | 2009-06-29 | Kompozycja arkusza wodochłonnego |
JP2010519736A JPWO2010004894A1 (ja) | 2008-07-11 | 2009-06-29 | 吸水シート組成物 |
AU2009269278A AU2009269278C1 (en) | 2008-07-11 | 2009-06-29 | Water-absorbent sheet composition |
EP20090794340 EP2314264B1 (en) | 2008-07-11 | 2009-06-29 | Water-absorbent sheet composition |
CN2009801270378A CN102088944A (zh) | 2008-07-11 | 2009-06-29 | 吸水片组合物 |
DK09794340T DK2314264T3 (da) | 2008-07-11 | 2009-06-29 | Vandabsorberende lagsammensætning |
KR1020117002968A KR101537136B1 (ko) | 2008-07-11 | 2009-06-29 | 흡수 시트 조성물 |
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JP (1) | JPWO2010004894A1 (ja) |
KR (1) | KR101537136B1 (ja) |
CN (1) | CN102088944A (ja) |
AU (1) | AU2009269278C1 (ja) |
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ES (1) | ES2527139T3 (ja) |
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Publication number | Priority date | Publication date | Assignee | Title |
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JP7104505B2 (ja) | 2016-12-22 | 2022-07-21 | 花王株式会社 | 吸収体 |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS633062B2 (ja) * | 1980-03-19 | 1988-01-21 | Dainitsuku Kk | |
JPH0658952U (ja) * | 1993-01-29 | 1994-08-16 | 積水化成品工業株式会社 | 吸収体層 |
JPH0659039U (ja) * | 1993-01-08 | 1994-08-16 | 積水化成品工業株式会社 | 積層体 |
JPH0658931U (ja) * | 1993-01-08 | 1994-08-16 | 積水化成品工業株式会社 | 積層体 |
JP2000238161A (ja) | 1999-02-22 | 2000-09-05 | Toyo Eizai Corp | 使い捨て製品の吸収用積層体およびその製造方法 |
JP2001252307A (ja) | 2000-03-13 | 2001-09-18 | Oji Paper Co Ltd | 吸収性物品 |
JP2003011118A (ja) | 2001-03-28 | 2003-01-15 | Mitsubishi Chemicals Corp | 吸水性複合体およびその製造方法 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5505718A (en) * | 1990-04-02 | 1996-04-09 | The Procter & Gamble Company | Absorbent structures containing specific particle size distributions of superabsorbent hydrogel-forming materials |
MY124298A (en) * | 1994-12-28 | 2006-06-30 | Kao Corp | Absorbent sheet, process for producing the same, and absorbent article using the same |
US6534572B1 (en) * | 1998-05-07 | 2003-03-18 | H. B. Fuller Licensing & Financing, Inc. | Compositions comprising a thermoplastic component and superabsorbent polymer |
US6686414B1 (en) * | 1999-04-14 | 2004-02-03 | H. B. Fuller Licensing & Financing Inc. | Aqueous superabsorbent polymer and methods of use |
JP3196933B2 (ja) * | 1999-09-29 | 2001-08-06 | 株式会社日本吸収体技術研究所 | 繊維状化ホットメルトにより表面被覆加工された吸水性複合体、その製造法及び吸収体物品 |
DE60140838D1 (de) * | 2000-05-12 | 2010-02-04 | Kao Corp | Saugfähiger Gegenstand |
AU775265B2 (en) * | 2000-05-23 | 2004-07-29 | Toyo Eizai Kabushiki Kaisha | Ultra-thin absorbing sheet body, disposable absorbent article provided with ultra-thin absorbing sheet body and production device for ultra-thin absorbing sheet body |
EP1319414A1 (en) * | 2001-12-11 | 2003-06-18 | The Procter & Gamble Company | Liquid absorbing thermoplastic materials and the utilization thereof in absorbent articles |
WO2004016425A2 (de) * | 2002-08-15 | 2004-02-26 | Paul Vogt | Dichtungsmatte mit einer superabsorbierenden schicht, verfahren zu deren herstellung, verwendung derselben, superabsorber und hotmelt-klebstoff |
DE10251137A1 (de) * | 2002-10-31 | 2004-05-13 | Basf Ag | Ultradünne Materialien aus Faser und Superabsorber |
ES2452317T3 (es) * | 2003-02-12 | 2014-03-31 | The Procter & Gamble Company | Núcleo absorbente para un artículo absorbente |
JP4050998B2 (ja) * | 2003-04-18 | 2008-02-20 | 株式会社リブドゥコーポレーション | 使い捨て吸収性物品 |
JP4416431B2 (ja) * | 2003-05-09 | 2010-02-17 | 株式会社リブドゥコーポレーション | 使い捨て吸収性物品 |
JP4734042B2 (ja) * | 2005-06-16 | 2011-07-27 | 大王製紙株式会社 | 吸収性物品 |
JP2007099845A (ja) * | 2005-09-30 | 2007-04-19 | Procter & Gamble Co | 水性液吸収剤およびその製法 |
ES2409836T3 (es) * | 2007-08-10 | 2013-06-28 | The Procter & Gamble Company | Artículo absorbente |
-
2009
- 2009-06-29 CN CN2009801270378A patent/CN102088944A/zh active Pending
- 2009-06-29 ES ES09794340.1T patent/ES2527139T3/es active Active
- 2009-06-29 KR KR1020117002968A patent/KR101537136B1/ko active IP Right Grant
- 2009-06-29 WO PCT/JP2009/061812 patent/WO2010004894A1/ja active Application Filing
- 2009-06-29 AU AU2009269278A patent/AU2009269278C1/en not_active Ceased
- 2009-06-29 JP JP2010519736A patent/JPWO2010004894A1/ja active Pending
- 2009-06-29 PL PL09794340T patent/PL2314264T3/pl unknown
- 2009-06-29 US US13/002,996 patent/US20110151228A1/en not_active Abandoned
- 2009-06-29 EP EP20090794340 patent/EP2314264B1/en active Active
- 2009-06-29 DK DK09794340T patent/DK2314264T3/da active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS633062B2 (ja) * | 1980-03-19 | 1988-01-21 | Dainitsuku Kk | |
JPH0659039U (ja) * | 1993-01-08 | 1994-08-16 | 積水化成品工業株式会社 | 積層体 |
JPH0658931U (ja) * | 1993-01-08 | 1994-08-16 | 積水化成品工業株式会社 | 積層体 |
JPH0658952U (ja) * | 1993-01-29 | 1994-08-16 | 積水化成品工業株式会社 | 吸収体層 |
JP2000238161A (ja) | 1999-02-22 | 2000-09-05 | Toyo Eizai Corp | 使い捨て製品の吸収用積層体およびその製造方法 |
JP2001252307A (ja) | 2000-03-13 | 2001-09-18 | Oji Paper Co Ltd | 吸収性物品 |
JP2003011118A (ja) | 2001-03-28 | 2003-01-15 | Mitsubishi Chemicals Corp | 吸水性複合体およびその製造方法 |
Non-Patent Citations (1)
Title |
---|
See also references of EP2314264A4 |
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Also Published As
Publication number | Publication date |
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DK2314264T3 (da) | 2014-10-27 |
AU2009269278B2 (en) | 2015-04-09 |
US20110151228A1 (en) | 2011-06-23 |
PL2314264T3 (pl) | 2015-03-31 |
KR20110038128A (ko) | 2011-04-13 |
ES2527139T3 (es) | 2015-01-21 |
KR101537136B1 (ko) | 2015-07-15 |
CN102088944A (zh) | 2011-06-08 |
EP2314264A4 (en) | 2013-05-08 |
JPWO2010004894A1 (ja) | 2012-01-05 |
EP2314264B1 (en) | 2014-10-08 |
EP2314264A1 (en) | 2011-04-27 |
AU2009269278A1 (en) | 2010-01-14 |
AU2009269278C1 (en) | 2015-08-27 |
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