An absorbent article, preferably a disposable absorbent article such as a diaper, is disclosed that provides an improved immobilization of absorbent polymer material when the article is fully or partially urine loaded. This absorbent core is useful for providing an absorbent article of increased wea
An absorbent article, preferably a disposable absorbent article such as a diaper, is disclosed that provides an improved immobilization of absorbent polymer material when the article is fully or partially urine loaded. This absorbent core is useful for providing an absorbent article of increased wearing comfort. Specifically disclosed is an absorbent core useful for an absorbent article comprising a substrate layer and absorbent material, the absorbent material comprising an absorbent polymer material, the absorbent material optionally comprising absorbent fibrous material, the absorbent fibrous material not representing more than 20% of the weight of absorbent polymer material, wherein the absorbent material is immobilized when wet such that the absorbent core achieves a wet immobilization of more than 50%, preferably of more than 60%, 70%, 80% or 90% according to the Wet Immobilization Test described herein.
대표청구항▼
1. A disposable absorbent diaper comprising: a chassis including a liquid impervious backsheet and a liquid pervious topsheet;a reclosable fastening system joined to said chassis for securing said diaper to a wearer; andan absorbent core located between said backsheet and said topsheet which include
1. A disposable absorbent diaper comprising: a chassis including a liquid impervious backsheet and a liquid pervious topsheet;a reclosable fastening system joined to said chassis for securing said diaper to a wearer; andan absorbent core located between said backsheet and said topsheet which includes first and second substrate layers and first and second discontinuous layers of absorbent particulate polymer material deposited respectively thereon, andfirst and second continuous layers of thermoplastic material laid down on top of said first and second layers of absorbent particulate polymer material and said first and second substrate layers;wherein said first and second thermoplastic materials contact at least portions of said first and second absorbent particulate polymer materials and at least portions of said first and second substrate layers forming areas of junction where said first and second thermoplastic materials contact said substrate layers;said first and second substrate layers are combined together such that said first and second thermoplastic material layers contact one another andsuch that said absorbent particulate polymer material of said first substrate layer faces said areas of junction of said second substrate layer and said absorbent particulate polymer material of said second substrate layer faces said areas of junction of said first substrate layer,such that the centers of said areas of junction are offset and do not face each other,wherein said thermoplastic material has a softening point in a range from about 50° C. to about 300° C., a glass transition temperature of less than about 25° C., and a storage modulus G′ measured at 60° C. of less than about 300,000 Pa;wherein said absorbent core has less than about 10% of cellulose fibrous material as compared to the weight of said particulate absorbent polymer. 2. The diaper of claim 1 wherein said thermoplastic material has a molecular weight of more than about 10,000. 3. The diaper of claim 1 wherein said thermoplastic material is in the form of fibers having an average thickness of from about 1 to about 50 micrometers and an average length of from about 5 mm to about 50 cm. 4. The diaper of claim 1 wherein said thermoplastic material is a water insensitive polymer. 5. The diaper of claim 4 wherein said polymer is selected from the group consisting of A-B-A styrene block copolymers. 6. The diaper of claim 5 wherein the A blocks and B blocks of said A-B-A styrene block copolymers are selected from the group consisting of polystyrenes, isoprenes, butadienes, ethylene/butylenes, ethylene/propylenes and mixtures thereof. 7. The diaper of claim 1 wherein said absorbent particulate polymer material is immobilized when wet such that said absorbent core achieves a wet immobilization of more than about 50% according to the Wet Immobilization Test. 8. The diaper of claim 1 wherein said thermoplastic material is selected from the group consisting of metallocene polyolefins, polyalphaolefins and mixtures thereof. 9. The diaper of claim 1 wherein said thermoplastic material is a hot melt adhesive. 10. The diaper of claim 1 wherein said thermoplastic material comprises: from about 30% to about 60% by weight of a polymer resin having a molecular weight of less than about 5000 and a glass transition temperature Tg of at least about 23° C.; andup to about 15% of a plasticizer having a molecular weight of less than about 1000 and a glass transition temperature Tg of at less than about 23° C. 11. The diaper of claim 1 wherein the thermoplastic material has a cross-over temperature Tx of at least about 80° C. 12. The diaper of claim 1 wherein said thermoplastic material has a storage modulus G′ measured at 60° C. of less than about 300,000 and more than about 18,000 Pa. 13. The diaper of claim 1 wherein said thermoplastic material has a storage modulus G′ measured at 60° C. of less than about 300,000 and more than about 30,000 Pa. 14. The diaper of claim 1 wherein said thermoplastic material has a storage modulus G′ measured at 20° C. of at least about 30,000 Pa and less than about 300,000 Pa. 15. A disposable absorbent pant-type diaper comprising: a chassis including a liquid impervious backsheet and a liquid pervious topsheet;at least two side panels joined to said chassis and to each other to form a pant; andan absorbent core located between said backsheet and said topsheet which includes first and second substrate layers and first and second discontinuous layers of absorbent particulate polymer material deposited respectively thereon, andfirst and second continuous layers of thermoplastic material laid down on top of said first and second layers of absorbent particulate polymer material and said first and second substrate layers;wherein said first and second thermoplastic materials contact at least portions of said first and second absorbent particulate polymer materials and at least portions of said first and second substrate layers forming areas of junction where said first and second thermoplastic materials contact said substrate layers;said first and second substrate layers are combined together such that said first and second thermoplastic material layers contact one another andsuch that said absorbent particulate polymer material of said first substrate layer faces said areas of junction of said second substrate layer and said absorbent particulate polymer material of said second substrate layer faces said areas of junction of said first substrate layer,such that the centers of said areas of junction are offset and do not face each other,wherein said thermoplastic material has a softening point in a range from about 50° C. to about 300° C., a glass transition temperature of less than about 25° C., and a storage modulus G′ measured at 60° C. of less than about 300,000 Pa;wherein said absorbent core has less than about 10% of cellulose fibrous material as compared to the weight of said particulate absorbent polymer. 16. The pant-type diaper of claim 15 wherein said absorbent particulate polymer material is immobilized when wet such that said absorbent core achieves a wet immobilization of more than about 50% according to the Wet Immobilization Test. 17. An absorbent core comprising: first and second substrate layers each having a discontinous layer of absorbent particulate polymer material and a layer of thermoplastic material laid down on top of said layer of absorbent particulate polymer material and said first and second substrate layers in discrete island areas separated by junction areas, wherein said first and second substrate layers face each other such that said discrete island areas of said first substrate layer are joined to said junction areas of said second substrate layer; such that said areas of junction are offset and do not face each other; said thermoplastic material having cohesion and adhesion behavior such that said first and second substrate layers can be joined together with said thermoplastic material;wherein said thermoplastic material has a softening point in a range from about 50° C. to about 300° C., a glass transition temperature of less than about 25° C., and a storage modulus G′ measured at 60° C. of less than about 300,000 Pa;wherein said absorbent core has less than about 10% of cellulose fibrous material as compared to the weight of said particulate absorbent polymer.
Dragoo Jerry L. (Fairfield OH) Bogdanski Michael S. (Cincinnati OH) Ahr Nicholas A. (Cincinnati OH) Noel John R. (Cincinnati OH), Absorbent article having blended multi-layer absorbent structure with improved integrity.
Tanzer Richard W. (Neenah WI) Abuto Frank P. (Alpharetta GA) Kellenberger Stanley R. (Appleton WI) Laux Daniel R. (Appleton WI) Nortman Brian K. (Appleton WI) Pomplun William S. (Nennah WI) Rippl Car, Absorbent article which includes superabsorbent material and hydrophilic fibers located in discrete pockets.
Tanzer Richard W. (Neenah WI) Abuto Frank P. (Alpharetta GA) Kellenberger Stanley R. (Appleton WI) Laux Daniel R. (Appleton WI) Nortman Brian K. (Appleton WI) Pomplun William S. (Neenah WI) Rippl Car, Absorbent article which includes superabsorbent material located in discrete pockets having an improved containment stru.
Tanzer Richard W. (Neenah WI) Abuto Frank P. (Alpharetta GA) Kellenberger Stanley R. (Appleton WI) Laux Daniel R. (Appleton WI) Nortman Brian K. (Appleton WI) Pomplun William S. (Neenah WI) Rippl Car, Absorbent article which includes superabsorbent material located in discrete pockets having water-sensitive and water-in.
Tanzer Richard W. (Neenah WI) Abuto Frank P. (Alpharetta GA) Kellenberger Stanley R. (Appleton WI) Laux Daniel R. (Appleton WI) Nortman Brian K. (Appleton WI) Pomplun William S. (Neenah WI) Rippl Car, Absorbent article which includes superabsorbent material located in discrete, elongate pockets placed in selected patter.
Buell Kenneth B. (Cincinnati OH) Clear Sandra H. (Maineville OH) Falcone Danielia T. (Cincinnati OH), Absorbent article with dynamic elastic waist feature having a predisposed resilient flexural hinge.
Buell Kenneth B. (Cincinnati OH) Richardson James W. (Cincinnati OH) Benson Douglas H. (West Harrison IN), Absorbent article with elastic feature having a prestrained web portion and method for forming same.
Weil Denis G. (Toronto OH CAX) Buell Kenneth B. (Cincinnati OH) Clear Sandra H. (Maineville OH) Falcone Danielia T. (Cincinnati OH), Absorbent article with fastening system providing dynamic elasticized waistband fit.
Robles Miguel Alvaro ; Dreier Kimberly Ann ; Bergman Carl Louis ; Roe Donald Carroll ; Dakin Constance Lee, Absorbent article with multi-directional extensible side panels.
Roe Donald C. (West Chester OH) Goulait David J. K. (Cincinnati OH) Rodriguez Sheila S. (Cincinnati OH) Carlin Edward P. (Maineville OH) Dreier Kimberly A. (Cincinnati OH) Jasper Carolyn M. (Cincinna, Absorbent article with multiple zone structural elastic-like film web extensible waist feature.
Young Gerald Alfred ; LaVon Gary Dean ; Haynes Nancy Ann ; Schmidt Mattias,DEX ; Ehrnsperger Bruno Johannes,DEX, Absorbent articles providing improved fit when wet.
Melius Mark K. (Appleton WI) Yarbrough Sandra M. (Menasha WI) Putzer Melissa C. (Oshkosh WI) Kellenberger Stanley R. (Appleton WI) Byerly Shannon K. (Appleton WI), Absorbent composite.
DesMarais Thomas A. (Norwood OH) Stone Keith J. (Fairfield OH) Thompson Hugh A. (Fairfield OH) Young Gerald A. (Cincinnati OH) LaVon Gary D. (Harrison OH) Dyer John C. (Cincinnati OH), Absorbent foam materials for aqueous body fluids and absorbent articles containing such materials.
Goldman Stephen A. (Cincinnati OH) Retzsch Herbert L. (Cincinnati OH) Mansfield Todd L. (Cincinnati OH), Absorbent members for body fluids having good wet integrity and relatively high concentrations of hydrogel-forming absor.
Goldman Stephen A. (Wyoming OH) Haynes Nancy A. (Okeana OH) Mansfield Todd L. (Cincinnati OH) Plischke Manfred (Steinbach DEX) Retzsch Herbert L. (Cincinnati OH) Walker Trevor (Cincinnati OH) Young G, Absorbent members for body fluids having good wet integrity and relatively high concentrations of hydrogel-forming absor.
Aziz Mohammed I. (Cincinnati OH) Blaney Ted L. (West Chester OH), Disposable absorbent article having elasticized flaps provided with leakage resistant portions.
Kievit David J. (North College Hill OH) Osterhage Thomas F. (Green Township ; Hamilton County OH), Disposable diapers with elastically contractible waistbands.
Nishikawa Masaharu (Akashi JPX) Rollag Keith W. (Ashiya JPX) Sageser David M. (Cincinnati OH) Yamada Jiro (Kobeshi JPX), Disposable training pant having improved stretchable side panels.
Hasse Margaret H. (Wyoming OH) Bridges Russell P. (Cincinnati OH) Miller Steven W. (West Chester OH), Elasticized disposable training pant and method of making the same.
Johns Eric Mitchell (Roswell GA) Ellis Clifford Jackson (Woodstock GA) Paul Susan Carol (Alpharetta GA), Enhanced wet signal response in absorbent articles.
Alemany Miguel (Cincinnati OH) Berg Charles J. (Cincinnati OH), High density absorbent members having lower density and lower basis weight acquisition zones.
Brandt Kerryn A. (Cincinnati OH) Goldman Stephen A. (Wyoming OH) Inglin Thomas A. (West Chester OH), Hydrogel-forming polymer compositions for use in absorbent structures.
Palumbo Gianfranco,ITX ; Carlucci Giovanni,ITX, Layered, absorbent structure, an absorbent article comprising the structure, and a method for the manufacture thereof.
Weber Gerald M. (Loveland OH) Vinnage ; Jr. William R. (Cincinnati OH) Benson Douglas H. (West Harrison IN) Sabatelli David A. (Cleves OH) Richardson James W. (Cincinnati OH), Method for incrementally stretching a zero strain stretch laminate web to impart elasticity thereto.
Buell Kenneth B. (Cincinnati OH) Weber Gerald M. (Loveland OH) Mick James R. (Hamilton OH) Richardson James W. (Cincinnati OH), Method for incrementally stretching zero strain stretch laminate web in a non-uniform manner to impart a varying degree.
Weber Gerald M. (Loveland OH) Richardson James W. (Cincinnati OH), Method for sequentially stretching zero strain stretch laminate web to impart elasticity thereto without rupturing the w.
Cramer, Ronald Dean; Rohrbaugh, Robert Henry; Carter, John David; Thuemmler, Karl Edward; Ponomarenko, Ekaterina Anatolyevna; Schmidt, Mattias, Method of hydrophilizing materials.
George Christopher Dobrin ; Douglas Herrin Benson ; John Joseph Curro, Method of modifying a nonwoven fibrous web for use as component of a disposable absorbent article.
Goldman Stephen Allen, Mixed-bed ion-exchange hydrogel-forming polymer compositions and absorbent members comprising relatively high concentrations of these compositions.
Strack David C. (Canton GA) Connor Linda A. (Atlanta GA) Gwaltney Sharon W. (Woodstock GA) McCormack Ann L. (Cumming GA) Shawver Susan E. (Roswell GA) Shultz Jay S. (Roswell GA), Nonwoven fabric made with multicomponent polymeric strands including a blend of polyolefin and ethylene alkyl acrylate c.
Roe Donald C. (Cincinnati OH) Lahrman Frank H. (Cincinnati OH) Berg Charles J. (Cincinnati OH), Porous, absorbent, polymeric macrostructures and methods of making the same.
Yoneda Yoshiyuki (Kawasaki JPX) Tsuji Kazuto (Kawasaki JPX), Semiconductor device in a resin package housed in a frame having high thermal conductivity.
LaVon Gary D. (Harrison OH) Young Gerald A. (Cincinnati OH) Taylor Gregory W. (West Chester OH) Roe Donald C. (West Chester OH) Andes William S. (Springfield OH), Slitted absorbent members for aqueous body fluids formed of expandable absorbent materials.
Perdelwitz ; Jr Lee E. (Tacoma WA) Young Robert H. (Maple Valley WA) Iff Ron H. (Puyallup WA) Hanke David E. (San Diego CA) Allison Kathleen S. (Tacoma WA) Rahkonen Raimo K. (Gig Harbor WA) Neogi Ama, Thermoplastic material containing absorbent pad or other article.
Hanson William D. (Neenah WI) Brud Lynn C. (Appleton WI) Byerly Shannon K. (Appleton WI) Ellis Clifford J. (Woodstock GA) Everett Rob D. (Appleton WI) Gossen Barbara A. (Neenah WI) Grube Violet M. (A, Thin absorbent article having rapid uptake of liquid.
Dyer John C. (Cincinnati OH) DesMarais Thomas A. (Cincinnati OH) LaVon Gary D. (Harrison OH) Stone Keith J. (Fairfield OH) Taylor Gregory W. (West Chester OH) Young Gerald A. (Cincinnati OH), Thin-unit-wet absorbent foam materials for aqueous body fluids and process for making same.
Freeland Mary E. (Loveland OH) Allen Patrick J. (Cincinnati OH), Trisection topsheets for disposable absorbent articles and disposable absorbent articles having such trisection topsheet.
Chappell Charles W. (West Chester OH) Sorensen Eugene R. (Sharonville OH) Buell Kenneth B. (Cincinnati OH) Curro John J. (Cincinnati OH) Mansfield Michele A. (Cincinnati OH), Web materials exhibiting elastic-like behavior.
Arizti, Blanca; Bianchi, Ernesto; Ehrnsperger, Bruno Johannes; Jackels, Hans Adolf; Kreuzer, Carsten Heinrich; Rosati, Rodrigo, Absorbent article with high absorbent material content.
Ehrnsperger, Bruno Johannes; Arizti, Blanca; Bianchi, Ernesto; Jackels, Hans Adolf; Kreuzer, Carsten Heinrich; Rosati, Rodrigo, Absorbent article with high absorbent material content.
Ehrnsperger, Bruno Johannes; Arizti, Blanca; Bianchi, Ernesto; Jackels, Hans Adolf; Kreuzer, Carsten Heinrich; Rosati, Rodrigo, Absorbent article with high absorbent material content.
Arizti, Blanca; Bianchi, Ernesto; Ehrnsperger, Bruno Johannes; Jackels, Hans Adolf; Kreuzer, Carsten Heinrich; Rosati, Rodrigo, Absorbent core with high superabsorbent material content.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.