CN112313073B - 具有3d压花的纤维素非织造层合物 - Google Patents
具有3d压花的纤维素非织造层合物 Download PDFInfo
- Publication number
- CN112313073B CN112313073B CN201980042380.6A CN201980042380A CN112313073B CN 112313073 B CN112313073 B CN 112313073B CN 201980042380 A CN201980042380 A CN 201980042380A CN 112313073 B CN112313073 B CN 112313073B
- Authority
- CN
- China
- Prior art keywords
- top layer
- absorbent article
- nonwoven
- carrier sheet
- hydroentangled
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004049 embossing Methods 0.000 title claims description 20
- 239000004744 fabric Substances 0.000 claims abstract description 52
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 39
- 229920002678 cellulose Polymers 0.000 claims abstract description 32
- 239000001913 cellulose Substances 0.000 claims abstract description 32
- 239000000853 adhesive Substances 0.000 claims abstract description 10
- 230000001070 adhesive effect Effects 0.000 claims abstract description 10
- 238000012876 topography Methods 0.000 claims abstract description 6
- 230000002745 absorbent Effects 0.000 claims description 49
- 239000002250 absorbent Substances 0.000 claims description 49
- 238000000034 method Methods 0.000 claims description 37
- 229920000742 Cotton Polymers 0.000 claims description 14
- 206010021639 Incontinence Diseases 0.000 claims description 6
- 238000003855 Adhesive Lamination Methods 0.000 claims description 5
- 210000000481 breast Anatomy 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims 3
- 230000000474 nursing effect Effects 0.000 claims 2
- 239000000835 fiber Substances 0.000 abstract description 23
- 239000000463 material Substances 0.000 description 21
- 239000007788 liquid Substances 0.000 description 9
- 239000012530 fluid Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 210000000416 exudates and transudate Anatomy 0.000 description 5
- 239000004745 nonwoven fabric Substances 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 4
- 229920003043 Cellulose fiber Polymers 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 3
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- 229920000098 polyolefin Polymers 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 238000009960 carding Methods 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000010191 image analysis Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- ZGEGCLOFRBLKSE-UHFFFAOYSA-N methylene hexane Natural products CCCCCC=C ZGEGCLOFRBLKSE-UHFFFAOYSA-N 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 229920002488 Hemicellulose Polymers 0.000 description 1
- 229920010126 Linear Low Density Polyethylene (LLDPE) Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000001523 electrospinning Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 238000009950 felting Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229920001600 hydrophobic polymer Polymers 0.000 description 1
- 230000005661 hydrophobic surface Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 210000004914 menses Anatomy 0.000 description 1
- 230000002175 menstrual effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- AFFLGGQVNFXPEV-UHFFFAOYSA-N n-decene Natural products CCCCCCCCC=C AFFLGGQVNFXPEV-UHFFFAOYSA-N 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- 238000009732 tufting Methods 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
- 238000001238 wet grinding Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
- A61F13/51104—Topsheet, i.e. the permeable cover or layer facing the skin the top sheet having a three-dimensional cross-section, e.g. corrugations, embossments, recesses or projections
- A61F13/51108—Topsheet, i.e. the permeable cover or layer facing the skin the top sheet having a three-dimensional cross-section, e.g. corrugations, embossments, recesses or projections the top sheet having corrugations or embossments having one axis relatively longer than the other axis, e.g. forming channels or grooves in a longitudinal direction
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15707—Mechanical treatment, e.g. notching, twisting, compressing, shaping
- A61F13/15731—Treating webs, e.g. for giving them a fibrelike appearance, e.g. by embossing
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
-
- 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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/06—Embossing
-
- 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
-
- 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
-
- 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
- B32B7/02—Physical, chemical or physicochemical properties
-
- 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
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
- D04H1/492—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres by fluid jet
-
- 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
- D04H3/015—Natural yarns or filaments
-
- 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
- D04H3/10—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 yarns or filaments made mechanically
- D04H3/11—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 yarns or filaments made mechanically by fluid jet
-
- 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
- A61F13/15577—Apparatus or processes for manufacturing
- A61F2013/15821—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing
- A61F2013/15934—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing for making non-woven
- A61F2013/15959—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing for making non-woven by spunbond technique
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
- A61F13/5116—Topsheet, i.e. the permeable cover or layer facing the skin being formed of multiple layers
- A61F2013/51178—Topsheet, i.e. the permeable cover or layer facing the skin being formed of multiple layers with the combination of nonwoven webs
-
- 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
- B32B2262/06—Vegetal fibres
- B32B2262/062—Cellulose fibres, e.g. cotton
-
- 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
- B32B2307/718—Weight, e.g. weight per square meter
-
- 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
- B32B2307/724—Permeability to gases, adsorption
-
- 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
- B32B2307/726—Permeability to liquids, absorption
-
- 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
- B32B2307/726—Permeability to liquids, absorption
- B32B2307/7265—Non-permeable
-
- 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
- B32B2307/73—Hydrophobic
-
- 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
- B32B2307/732—Dimensional properties
-
- 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
- B32B2432/00—Cleaning articles, e.g. mops, wipes
-
- 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
- B32B2437/00—Clothing
-
- 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
- B32B2535/00—Medical equipment, e.g. bandage, prostheses, catheter
-
- 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
-
- 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
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/01—Natural vegetable fibres
- D10B2201/02—Cotton
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Textile Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Mechanical Engineering (AREA)
- Animal Behavior & Ethology (AREA)
- Epidemiology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Manufacturing & Machinery (AREA)
- Nonwoven Fabrics (AREA)
- Laminated Bodies (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
本公开提出了一种非织造层合物,所述非织造层合物具有两个或更多个层,所述两个或更多个层具有3D压花的疏水性纤维素基纤维水刺布作为顶层。还公开了具有z方向形貌的所述顶层,其中所述顶层的基部通过粘合剂、压力粘结、热粘结、穿孔或类似的粘结附接到第二载体片材层。
Description
技术领域
本公开涉及具有两个或更多个层的三维(3D)非织造层合吸收制品,所述两个或更多个层包括疏水性纤维素基水刺布顶层。
背景技术
纤维非织造纤网材料广泛用于许多应用中,包括但不限于吸收结构和擦拭产品,其中许多是一次性的。特别地,这种材料通常用于个人护理吸收制品诸如尿布、尿布裤、训练裤、女性卫生产品、成人失禁产品、绷带和擦拭产品,诸如婴儿和成人湿巾。它们还通常用于清洁产品,诸如可以用清洁剂以及其他被设计为用手使用或与清洁装置诸如拖把结合使用的化合物处理的干湿一次性擦拭物。另一个应用是美容辅助工具,诸如清洁垫和擦拭物以及卸妆垫和擦拭物。
在许多这些应用中,三维维度和增加的表面积是期望的属性。对于用于上述个人护理吸收制品和清洁产品的身体接触材料尤其如此。个人护理吸收制品的主要功能之一是吸收和保留身体渗出物诸如血液、月经、尿液和排泄物。
更具体地,纤维素纤维非织造材料在吸收结构和擦拭产品中具有很高的潜在用途。然而,使用纤维素纤维非织造材料存在普遍问题。例如,就干燥和污渍大小而言,与合成纤维相比,身体侧衬里内的纤维素纤维保持液的性能不佳。干燥和遮污的劣性是纤维素纤维产品尚未在市场上使用的主要原因。
另外,由于纤维素纤维的性质,它只能通过水刺法生产,这限制了纤维网的美观性,高度依赖于水刺法期间所用的图案辊和喷水法的机械尺寸。由于水刺布图案是通过喷水产生的,因此可以通过此方法制作的图案非常简单。可以将水刺纤维素纤维压花并打孔成BCW纤维网,然而,由于纤维的热性能,压花无法保持其3D形状,并且很容易变平。由于图案的限制,对纤维素纤维的任何研究都以用于棉制品的平纹或简单的网状图案来进行。综上所述,当前用于吸收身体侧衬里的纤维素基水刺布材料存在的问题例如有:
·与合成非织造材料(PE/PP/PET)相比,由于纤维素纤维的亲水性,湿润且污渍更大
·由于通过水刺法获得的图案的类型/分辨率有限,因此限制了与竞争对手产品的区分
·由于机器的高速度,图案经常会由于施加在材料上的张力而塌陷/变得不明显。
发明内容
技术问题
因此,仍然需要提供能够满足纤维素纤维非织造材料的上述需求的三维特性的材料和方法。
问题解决方案
本公开涉及具有两个或更多个层的三维(3D)非织造层合吸收制品,所述两个或更多个层包括疏水性纤维素基水刺布顶层。所述吸收制品还包括非织造载体片材层,其中所述载体片材的面向身体部分附接到所述顶层的非面向身体部分;以及任选的一个或多个非织造载体片材层,所述一个或多个非织造载体片材层附接到所述载体片材的所述非面向身体部分。还公开了用于制造3D非织造层合吸收制品的方法。
在本公开的一个实施方案中,公开了一种具有两个或更多个层的非织造层合吸收制品。特别地,这种吸收制品包括疏水性纤维素基水刺布顶层。所述顶层包括压花的凸起区域,每个区域的直径在约0.1mm至约20mm之间,并且更具体地在约2mm至约8mm之间,并且高度为至少约0.5mm。所述吸收制品还包括非织造载体片材层,其中所述载体片材的面向身体部分附接到所述顶层的非面向身体部分。所述吸收制品任选地包括一个或多个非织造载体片材层,所述一个或多个非织造载体片材层附接到所述载体片材的得到非面向身体部分。
在本公开的另一个实施方案中,公开了一种用于制造具有两个或更多个层的非织造层合吸收制品的方法。具体地,所述方法包括将疏水性纤维素基水刺布压花在顶层上。所述方法还包括将非织造载体片材层的面向身体部分附接到所述顶层的非面向身体部分。所述方法还任选地包括将一个或多个面向身体的非织造载体片材层附接到载体片材的非面向身体的部分。
附图说明
考虑到以下结合附图对各种实施方案的详细描述,可以更全面地理解本公开,其中:
图1示出了当压花为10mm宽度(红色虚线)时与当压花没有塌陷5mm宽度时纤维素纤维水刺布层顶部的凸起区域的中心塌陷。
图2示出了在经处理的半疏水性棉水刺布与未经处理的亲水性棉水刺布之间的污渍大小比较。
图3描绘了柔软性测试结果,该柔软性测试结果示出与网眼图案棉相比,具有3D+压花的平纹棉最柔软。
图4示出了比较传统水刺布与3D水刺布层合物张力的图案图像。
图5示出了3D压花的纤维素水刺布层合物的流体排出流和流体吸收的示意图。
图6描绘了在标记为白色虚线的孔线处流体趋向于流动的地方。孔线表示最高润湿性发生的位置。
图7描绘了疏水性2D网眼、亲水性3D与三个疏水性和3D层合物样品之间的再润湿比较,示出了再润湿的显著改善,而与图案无关。
图8A示出了2D疏水性网眼、3D亲水性层合物和3D疏水性3D层合物的污渍大小比较。
图8B示出了基于图8A的污渍大小图像分析结果。
具体实施方式
当介绍本公开或其优选实施方案的元件时,冠词“一个”、“一种”和“该”旨在表示存在该元件中的一个或多个。
词语“包括”、“包含”和“具有”旨在为包含性的,意指可能存在所列元件之外的额外元件。
术语“吸收制品”是指吸收并容纳身体流出物的装置,并且更具体地讲,是指紧贴或靠近穿戴者的身体放置以吸收并容纳从身体排出的各种流出物的装置。吸收制品可以包括卫生护垫、卫生巾、阴唇间装置、成人失禁装置、绷带、擦拭物、尿布、训练裤、内衣、其他女性卫生用品、胸垫、护理垫、围兜、伤口敷料产品等。
术语“非织造材料”是通过摩擦和/或内聚力和/或粘附力而粘结的定向或随机取向的纤维的制成的片材、纤维网或毡合织物,不包括纸张和通过织造、针织、簇成、缝编而结合的粘结纱或长丝的产品,或者通过湿磨法而毡化(无论是否另外针缝)的产品。非织造材料可包括水力缠结的非织造材料。纤维可以是天然或人造来源的,并且可以是短纤维或连续长丝或原位形成。市售纤维的直径范围为小于约0.001mm至大于约0.2mm,并且它们具有几种不同的形式:短纤维(称为切断的或短切的)、连续单纤维(长丝或单丝)、无捻连续长丝束(丝束)和加捻连续长丝束(纱线)。非织造织物可通过许多方法形成,诸如熔喷法、纺粘法、溶剂纺丝法、静电纺丝法和梳理法。非织造织物的基重通常以克/平方米(gsm)表示。
吸收制品通常包括由液体不可渗透的膜的层合物构造的外覆层和由疏水性聚合物纤维构造的非织造织物。
如本文所用,术语“水刺布”通常是指非织造布,它是通过空气或机械、水刺、针刺或热轧增强,并且最后在形成水刺非织造织物之后,将聚合物切片、短纤维或长丝直接使用成纤维网的方法。
根据本公开,令人惊讶地和出乎意料地发现,纤维素基水刺布和涌流层合物的3D材料结构可以实现优异的干燥性、清洁性和柔软性。工业标准是纤维素水刺布在干燥、柔软和遮盖污渍方面劣于空气穿透粘结梳理网(TABCW),然而,本文的公开内容得出针对TABCW顶片的优异的台架试验结果。TABCW结合了两种技术:(1)梳理和(2)热粘结。
本文公开的两个重要属性是:
具有两个或更多个层的非织造层合物,该非织造层合物具有纤维素纤维基水刺布作为顶层(面向身体),其中这种纤维素纤维的亲水性低于第二非织造载体片材层以及任选地可附接到第二载体片材层的任何附加的片材层;以及
具有z方向形貌的顶层(面向身体),并且该顶层的非面向身体侧通过粘合剂、压力粘结、热粘结、穿孔或类似的粘结附接到第二(载体片材)层。
膜-纤维网层合物可由覆盖在水刺布层和/或载体片材(第二片材至顶层)上的非织造纤维网形成。在一个实施方案中,例如,将非织造纤维网热层合到水刺布层和/或载体片材上以形成膜-纤维网层合物。然而,可以使用任何合适的技术来形成层合物。将膜粘合到非织造纤维网的合适技术在以下专利中进行了描述:授予McCormack的美国专利号5,843,057;授予McCormack的5,855,999;授予Kobylivker等人的6,002,064;授予Mathis等人的6,037,281;以及WO 99/12734,这些专利全文以引用方式并入本文以用于所有目的。
层合物的膜层通常由液体基本上不可渗透的材料形成。例如,膜层可由薄塑料膜或其他柔性液体不可渗透材料形成。在一个实施方案中,膜层由厚度为约0.001毫米至约0.10毫米、约0.01毫米至约0.05毫米的聚乙烯膜形成。例如,厚度为约0.015毫米的拉伸变薄的聚丙烯膜可以热层合到非织造纤维网上。
另外,膜层可由液体不可渗透但气体和水蒸气可渗透的(即“可透气的”)材料形成。这允许蒸气穿过层合物,但仍防止液体流出物穿过层合物。当将层合物用作吸收制品的外覆层以允许蒸气从吸收芯逸出但仍防止液体流出物穿过外覆层时,使用可透气的层合物是特别有利的。例如,可透气的膜可以是微孔或单片膜。
膜可由聚烯烃聚合物诸如线性低密度聚乙烯(LLDPE)或聚丙烯形成。主要为线性的聚烯烃聚合物的示例包括但不限于由以下单体制成的聚合物:乙烯、丙烯、1-丁烯、4-甲基-戊烯、1-己烯、1-辛烯和高级烯烃,以及前述单体的共聚物和三元共聚物。此外,乙烯与包括丁烯、4-甲基-戊烯、己烯、庚烯、辛烯、癸烯等的其他烯烃的共聚物也是主要为线性的聚烯烃聚合物的示例。
材料要求
疏水性纤维素基非织造纤维顶层
顶层由疏水性(与液体排斥或混合)纤维素基纤维组成,具有平纹或交错的图案。疏水性纤维素基纤维材料有助于减少干燥和减小污渍大小。请参见图2,该图描绘了亲水层与半疏水层。
通常,非织造纤维素纤维是由纤维素的醚或酯制成的纤维状材料,其可以从植物的树皮、木材或叶或从植物基材料获得。除纤维素之外,这些纤维是半纤维素和木质素的化合物,并且这些组分的不同百分比负责观察到的不同机械性能。棉是本文使用的非织造纤维素纤维的一个示例。任何非织造纤维素纤维均可在本文中应用。
本文定义的由非织造纤维素基纤维组成的顶层可能不是100%疏水的。如图5中所公开的,液体从疏水性表面沿与x和y方向正交的z方向在顶层和底层相遇处从疏水性表面流动。通过表面张力和重力的结合,液体沿z方向流动。因此,在疏水性顶层中具有一些孔隙是有利的。
令人惊讶地和出乎意料地,与有图案的材料相比,由平纹纤维素纤维水刺布片材制成的3D结构显示出更好的柔软性和视觉差异。在图3中,柔软性测试结果表明,与网眼图案棉相比,利用平纹棉水刺布形成的3D结构具有更好的柔软性。
附接到顶层的载体片材
具有与顶层相似或更高的机械强度的对体液具有可湿性的任何片材优选地由高旦尼尔纤维组成,以易于流体转移。图4示出了相对于当前公开张力如何影响常规材料的图案。载体片材(或第二层片材)通过粘合剂、粘结或任何其他类似方式附接到顶层。载体片材的附接发生在顶层的非面向身体侧。
结构要求
顶层是水刺布,由纤维素纤维诸如棉制成。水刺布被向上压花以使其与底层物理分离,从而形成3D制品。为了使顶层3D凸块从载体片材的平面可见并且通过触摸是明显的,凸块的高度应至少为0.5mm。为了提供“柔软的膨松”感,交错或平纹压花的横截面在支柱与上平纹之间应具有一定的曲率。
在约10mm的宽度处,顶层3D凸块的中间部分由于重力而开始塌陷。通过将非织造载体片材附接在顶层的底部上从而支撑水刺布疏水性纤维素基纤维的3D图案,人们可以使用较低基重的水刺布。因此,水刺布的量由顶层的宽度决定。最佳地,本文中可用于顶层的水刺布的量为约15gsm至约50gsm和约25gsm至约35gsm。在每个载体片材上使用的水刺布的量通常为约10gsm至约50gsm,更具体地为约15gsm至约35gsm。参见表1。
顶层(非面向身体侧)的凸起部分的底部和底层(载体片材)的顶部通过粘合剂、压力、温度或打孔粘结在一起,以确保顶层的凸起部分的基部附接到载体片材,从而使流体采集从顶层向下沿Z方向移动。请参见图5。本文公开的压力和温度的参数范围是本领域已知的用于将两个或更多个非织造纤维素基纤维层粘结在一起的范围。
压花单元的大小
单个压花拓扑单元(水刺布纤维素纤维顶层)的最佳直径宽度为约0.1mm至约20mm、0.5mm至约10mm、约1mm至约9mm、2mm至约8mm,以确保3D压花拓扑结构保持干燥。当压花拓扑层的直径在任何方向上达到10mm时,中心就会塌陷。参见图1。随着拓扑顶层的塌陷,顶层变得更靠近载体片材层,因此感觉到并看到较湿的表面。
孔线的方向
由于顶层是疏水性的,因此流体倾向于沿着孔线并被吸收到芯吸收层中。请参见图6。例如,为了防止意外流到垫边缘,与平行于纵向/横向的线相比,与对角线方向对齐的孔线更可取。
3D压花
3D压花仅应用于顶层,并且顶层的形状由下面的载体片材通过粘合层合来支撑,以便将压花单元与底部载体层物理地分离。表1列出了三种不同的压花/层合方法。
[表1]
测试结果
使用“Z-Date”进行渗透率测试。Z-Date是可从PPG Industries,Inc.(Pittsburgh,Pa.)获得的合成月经液制剂,其包含以重量百分比计约82.5%的水、15.8%的聚乙烯吡咯烷酮和1.7%的盐、着色剂和表面活性剂。Z-Date的粘度为17厘泊,表面张力为53.5达因/厘米。通过使用该Z-Date溶液,发现具有本文上述材料和结构要求的3D纤维素纤维棉显示出增强的吸收特性。
图4描绘了比较传统水刺布与3D水刺布层合物张力的图案图像。与常规水刺布不同,3D水刺布层合物图像描绘的层合物类似,无论没有张力还是处于张力下。
图7表明,3D层合和疏水处理一起的所有代码(右侧3个代码)都显示出改善的再润湿(干燥),而与图案无关。
疏水处理和3D层合的组合也显示出污渍大小的改善,这是消费者对清洁度的已知认知。请参见图8A和图8B。图8A示出了2D疏水性网眼、3D亲水性层合物和3D疏水性3D层合物的污渍大小比较。图8B示出了基于图8A的污渍大小图像分析结果。
呈现以上的说明书和实施例以帮助对本文公开的发明的完整性和非限制性的理解。由于在不脱离本发明的精神和范围的情况下可以对本发明进行许多变化和实施方案,因此本发明在于下文所附的权利要求书。
实施方案:
在本公开的第一实施方案中,公开了一种具有两个或更多个层的非织造层合吸收制品。具体地,这种吸收制品包括:疏水性纤维素基水刺布顶层,其中所述层包括压花凸起区域,每个区域的直径在约0.1mm至约20mm之间,并且高度为至少约0.5mm;非织造载体片材层,其中所述载体片材的面向身体部分附接到所述顶层的非面向身体部分;以及任选的一个或多个非织造载体片材层,所述一个或多个非织造载体片材层附接到所述载体片材的所述非面向身体部分。
在根据前述实施方案的实施方案中,其中疏水性纤维素基水刺布顶层的直径为约2mm至约8mm。
在根据前述实施方案的实施方案中,其中疏水性纤维素基水刺布顶层是棉。
在根据前述实施方案的实施方案中,其中所述疏水性纤维素基水刺布顶层和载体片材通过粘合剂层合、水刺或压花和超声粘结来层合。
在根据前述实施方案的实施方案中,其中所述疏水性纤维素基水刺布是平纹的。
在根据前述实施方案的实施方案中,其中所述凸起区域呈交错或平纹图案。
在根据前述实施方案的实施方案中,其中所述疏水性纤维素基水刺布顶层的亲水性小于所附接的非织造载体片材的亲水性。
在根据前述实施方案的实施方案中,其中所述顶层具有z方向形貌。
在根据前述实施方案的实施方案中,其中所述顶层通过粘合剂、压力粘结、热粘结、穿孔或类似粘结而附接到所述载体片材层。
在根据前述实施方案的实施方案中,其中所述载体片材层通过粘合剂、压力粘结、热粘结、穿孔或类似粘结而附接到所述任选的载体片材层。
在根据前述实施方案的实施方案中,其中所述吸收制品可以是卫生护垫、卫生巾、阴唇间装置、成人失禁装置、绷带、擦拭物、尿布、训练裤、内衣、其他女性卫生用品、胸垫、护理垫、围兜、伤口敷料产品等。
在根据前述实施方案的实施方案中,其中所述顶层包含约25gsm至约35gsm的水刺布,并且所述载体片材包含约15gsm至约35gsm的水刺布。
在本公开的第二实施方案中,公开了一种用于制造具有两个或更多个层的非织造层合吸收制品的方法。具体地,所述方法包括:将疏水性纤维素基水刺布压花到顶层上;将非织造载体片材层的面向身体部分附接到所述顶层的非面向身体部分;以及任选地将一个或多个面向身体的非织造载体片材层附接到所述载体片材的所述非面向身体部分。
在根据前述方法实施方案的实施方案中,其中对所述疏水性纤维素水刺布顶层进行压花使区域凸起,每个区域的直径在约0.1mm至约20mm之间并且高度为至少约0.5mm。
在根据前述方法实施方案的实施方案中,其中疏水性纤维素基水刺布顶层是棉。
在根据前述方法实施方案的实施方案中,其中所述疏水性纤维素基水刺布顶层和载体片材通过粘合剂层合、水刺或压花和超声粘结来层合。
在根据前述方法实施方案的实施方案中,其中所述疏水性纤维素基水刺布是平纹的。
在根据前述方法实施方案的实施方案中,其中所述凸起区域呈交错或平纹图案。
在根据前述方法实施方案的实施方案中,其中所述顶层具有z方向形貌。
在根据前述方法实施方案的实施方案中,其中载体片材层通过粘合剂、压力粘结、热粘结、穿孔或类似粘结而附接到所述任选的载体片材层。
在根据前述方法实施方案的实施方案中,其中所述吸收制品可以是卫生护垫、卫生巾、阴唇间装置、成人失禁装置、绷带、擦拭物、尿布、训练裤、内衣、其他女性卫生用品、胸垫、护理垫、围兜、伤口敷料产品等。
Claims (19)
1.一种具有两个或更多个层的非织造层合吸收制品,所述非织造层合吸收制品包括:
疏水性纤维素基水刺布顶层,其中所述层包括压花凸起区域,每个区域的直径在2mm至8mm之间并且高度为至少0.5mm,并且顶层包括一条或多条与相对于顶层的对角线方向对齐的孔线;
非织造载体片材层,其中所述载体片材的面向身体部分附接到所述顶层的非面向身体部分;以及
任选的一个或多个非织造载体片材层,所述一个或多个非织造载体片材层附接到所述载体片材的非面向身体部分;
所述疏水性纤维素基水刺布是平纹的。
2.根据权利要求1所述的非织造层合吸收制品,其中所述疏水性纤维素基水刺布顶层是棉。
3.根据权利要求1所述的非织造层合吸收制品,其中所述疏水性纤维素基水刺布顶层和载体片材通过粘合剂层合、水刺或压花和超声粘结来层合。
4.根据权利要求1所述的非织造层合吸收制品,其中所述凸起区域呈交错或平纹图案。
5.根据权利要求1所述的非织造层合吸收制品,其中所述疏水性纤维素基水刺布顶层的亲水性小于所附接的非织造载体片材的亲水性。
6.根据权利要求1所述的非织造层合吸收制品,其中所述顶层具有z方向形貌。
7.根据权利要求1所述的非织造层合吸收制品,其中所述顶层通过粘合剂、压力粘结、热粘结或穿孔而附接到所述载体片材层。
8.根据权利要求1所述的非织造层合吸收制品,其中所述载体片材层通过粘合剂、压力粘结、热粘结或穿孔而附接到所述任选的载体片材层。
9.根据权利要求1所述的非织造层合吸收制品,其中所述吸收制品是卫生护垫、卫生巾、阴唇间装置、成人失禁装置、擦拭物、尿布、训练裤、内衣、胸垫、护理垫、围兜或伤口敷料产品。
10.根据权利要求9所述的非织造层合吸收制品,其中所述伤口敷料产品为绷带。
11.根据权利要求1所述的非织造层合吸收制品,其中所述顶层包含25gsm至35gsm的水刺布,并且所述载体片材包含15gsm至35gsm的水刺布。
12.一种用于制造具有两个或更多个层的非织造层合吸收制品的方法,所述方法包括:
将疏水性纤维素基水刺布压花到顶层上,并且顶层包括一条或多条与相对于顶层的对角线方向对齐的孔线;
将非织造载体片材层的面向身体部分附接到所述顶层的非面向身体部分;以及
任选地将一个或多个面向身体的非织造载体片材层附接到所述载体片材的非面向身体部分;
其中对所述疏水性纤维素水刺布顶层进行压花使区域凸起,每个区域的直径在2mm至8mm之间并且高度为至少0.5mm;
所述疏水性纤维素基水刺布是平纹的。
13.根据权利要求12所述的用于制造具有两个或更多个层的非织造层合吸收制品的方法,其中疏水性纤维素基水刺布顶层是棉。
14.根据权利要求12所述的用于制造具有两个或更多个层的非织造层合吸收制品的方法,其中所述疏水性纤维素基水刺布顶层和载体片材通过粘合剂层合、水刺或压花和超声粘结来层合。
15.根据权利要求12所述的用于制造具有两个或更多个层的非织造层合吸收制品的方法,其中所述凸起区域呈交错或平纹图案。
16.根据权利要求12所述的用于制造具有两个或更多个层的非织造层合吸收制品的方法,其中所述顶层具有z方向形貌。
17.根据权利要求12所述的用于制造具有两个或更多个层的非织造层合吸收制品的方法,其中所述载体片材层通过粘合剂、压力粘结、热粘结或穿孔而附接到所述任选的载体片材层。
18.根据权利要求12所述的用于制造具有两个或更多个层的非织造层合吸收制品的方法,其中所述吸收制品是卫生护垫、卫生巾、阴唇间装置、成人失禁装置、擦拭物、尿布、训练裤、内衣、胸垫、护理垫、围兜或伤口敷料产品。
19.根据权利要求18所述的用于制造具有两个或更多个层的非织造层合吸收制品的方法,其中所述伤口敷料产品为绷带。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2018-0075965 | 2018-06-29 | ||
KR1020180075965A KR20200002457A (ko) | 2018-06-29 | 2018-06-29 | 3d 엠보싱을 갖는 셀룰로오스 부직포 라미네이트 |
PCT/KR2019/007850 WO2020004995A1 (en) | 2018-06-29 | 2019-06-28 | Cellulose nonwoven laminate having 3d embossing |
Publications (2)
Publication Number | Publication Date |
---|---|
CN112313073A CN112313073A (zh) | 2021-02-02 |
CN112313073B true CN112313073B (zh) | 2023-11-24 |
Family
ID=68987468
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201980042380.6A Active CN112313073B (zh) | 2018-06-29 | 2019-06-28 | 具有3d压花的纤维素非织造层合物 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20210267819A1 (zh) |
KR (2) | KR20200002457A (zh) |
CN (1) | CN112313073B (zh) |
AU (1) | AU2019291760A1 (zh) |
WO (1) | WO2020004995A1 (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021208008A1 (en) * | 2020-04-16 | 2021-10-21 | The Procter & Gamble Company | Apertured nonwoven |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101410075A (zh) * | 2006-03-30 | 2009-04-15 | Sca卫生产品股份公司 | 水刺无纺织物、其制备方法以及包含所述织物的吸收制品 |
CN201236253Y (zh) * | 2008-05-13 | 2009-05-13 | 稳健实业(深圳)有限公司 | 疏水性无纺布制品 |
CN103002846A (zh) * | 2010-07-15 | 2013-03-27 | 宝洁公司 | 吸收芯 |
CN105877928A (zh) * | 2016-04-01 | 2016-08-24 | 泉州市汉威机械制造有限公司 | 一种卫生用品表层材料 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MXPA04004594A (es) * | 2001-11-16 | 2004-08-13 | Procter & Gamble | Lienzo desechable para el cuidado de platos y la limpieza de superficies duras. |
US20040087924A1 (en) * | 2002-11-06 | 2004-05-06 | Kimberly-Clark Worldwide, Inc. | Semi-hydrophobic cover for an absorbent product |
US7582074B2 (en) * | 2004-09-16 | 2009-09-01 | Mcneil-Ppc, Inc. | Drapeable sanitary absorbent napkin |
US20060178652A1 (en) * | 2005-02-09 | 2006-08-10 | Miller Robert A Iii | Incontinence pad and apparel formed therewith |
BR112014011066B1 (pt) * | 2011-11-08 | 2021-01-12 | Kimberly-Clark Worldwide, Inc. | artigo absorvente com elemento de estabilização |
-
2018
- 2018-06-29 KR KR1020180075965A patent/KR20200002457A/ko not_active Application Discontinuation
-
2019
- 2019-06-28 US US17/256,459 patent/US20210267819A1/en not_active Abandoned
- 2019-06-28 CN CN201980042380.6A patent/CN112313073B/zh active Active
- 2019-06-28 WO PCT/KR2019/007850 patent/WO2020004995A1/en active Application Filing
- 2019-06-28 AU AU2019291760A patent/AU2019291760A1/en active Pending
-
2023
- 2023-11-30 KR KR1020230170708A patent/KR20230169896A/ko active Search and Examination
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101410075A (zh) * | 2006-03-30 | 2009-04-15 | Sca卫生产品股份公司 | 水刺无纺织物、其制备方法以及包含所述织物的吸收制品 |
CN201236253Y (zh) * | 2008-05-13 | 2009-05-13 | 稳健实业(深圳)有限公司 | 疏水性无纺布制品 |
CN103002846A (zh) * | 2010-07-15 | 2013-03-27 | 宝洁公司 | 吸收芯 |
CN105877928A (zh) * | 2016-04-01 | 2016-08-24 | 泉州市汉威机械制造有限公司 | 一种卫生用品表层材料 |
Also Published As
Publication number | Publication date |
---|---|
KR20200002457A (ko) | 2020-01-08 |
KR20230169896A (ko) | 2023-12-18 |
AU2019291760A1 (en) | 2021-01-21 |
CN112313073A (zh) | 2021-02-02 |
WO2020004995A1 (en) | 2020-01-02 |
US20210267819A1 (en) | 2021-09-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN213993945U (zh) | 吸收制品和与吸收制品一起使用的顶片 | |
US20200101191A1 (en) | Hydroentangled fibrous structures | |
MX2008012129A (es) | Tela no tejida hidroenredada, metodo de fabricacion y articulo absorbente que ciontiene la tela. | |
CN111182870A (zh) | 包括天然纤维的顶片 | |
JP7174391B2 (ja) | 吸収性物品の表面シートの製造方法 | |
US20070225669A1 (en) | Heterogeneous absorbent cores | |
CN111108240B (zh) | 用于吸收制品的层 | |
KR102315690B1 (ko) | 흡수체 및 위생용품 | |
JP2008161584A (ja) | 吸収性物品 | |
CN104780881B (zh) | 用于吸收性产品的一体式流体吸入系统及其制备方法 | |
CN107645945A (zh) | 具有机械衣服附接件的吸收制品 | |
CN108882998A (zh) | 吸收制品 | |
US20190091076A1 (en) | Absorbent article with channel | |
KR20230169896A (ko) | 3d 엠보싱을 갖는 셀룰로오스 부직포 라미네이트 | |
TW202120133A (zh) | 衛生物品 | |
JP2005509468A (ja) | パーソナルケア製品のカバーシート | |
JP3218416U (ja) | 吸収性物品のためのトップシート | |
JP4174995B2 (ja) | 耐久親水性複合繊維及びそれを用いた繊維成形体 | |
KR101993142B1 (ko) | 방수성 및 통기성이 우수한 위생 패드 및 이의 제조방법 | |
KR102599732B1 (ko) | 신축성 다층 부직포 웹 | |
WO2022226876A1 (en) | Absorbent article | |
CN112088230A (zh) | 非织造布及其生产方法和设备 | |
CN112041495B (zh) | 用于生产非织造布的方法和适用于该方法的设备 | |
US11207222B2 (en) | Absorbent article including reinforced backsheet | |
JP2021090720A (ja) | 生理用ナプキンや使い捨ておむつ等の吸液性物品 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |