CO5070628A1 - ABSORBENT FOAM THAT INCLUDES A POLYMER, THE ABSORBENT PRODUCT THAT UNDERSTANDS IT AND THE PROCESS FOR PREPARATION - Google Patents

ABSORBENT FOAM THAT INCLUDES A POLYMER, THE ABSORBENT PRODUCT THAT UNDERSTANDS IT AND THE PROCESS FOR PREPARATION

Info

Publication number
CO5070628A1
CO5070628A1 CO98067869A CO98067869A CO5070628A1 CO 5070628 A1 CO5070628 A1 CO 5070628A1 CO 98067869 A CO98067869 A CO 98067869A CO 98067869 A CO98067869 A CO 98067869A CO 5070628 A1 CO5070628 A1 CO 5070628A1
Authority
CO
Colombia
Prior art keywords
absorbent foam
water
weight
absorbent
polymer
Prior art date
Application number
CO98067869A
Other languages
Spanish (es)
Inventor
Jian Qin
Raj Ramaswami Wallajapet Palani
Gary D Williams
Original Assignee
Kimberly Clark Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US08/977,918 external-priority patent/US5985434A/en
Priority claimed from US08/978,263 external-priority patent/US5948829A/en
Application filed by Kimberly Clark Co filed Critical Kimberly Clark Co
Publication of CO5070628A1 publication Critical patent/CO5070628A1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42—Use of materials characterised by their function or physical properties
    • A61L15/60—Liquid-swellable gel-forming materials, e.g. super-absorbents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42—Use of materials characterised by their function or physical properties
    • A61L15/425—Porous materials, e.g. foams or sponges
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2201/00—Foams characterised by the foaming process
    • C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
    • C08J2201/052—Inducing phase separation by thermal treatment, e.g. cooling a solution
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2300/00—Characterised by the use of unspecified polymers

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hematology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

Una espuma absorbente que comprende un polímero insoluble en agua, hinchable en agua, donde el polímero insoluble en agua, hinchable en agua está presente en la espuma absorbente en una cantidad en peso entre el 50 por ciento en peso hasta el 100 porciento en peso, basado en el peso total de la espuma absorbente, y donde la espuma absorbente exhibe un valor de Hinchamiento Libre de por lo menos 10 gramos de líquido por gramos de espuma absorbente y un valor de Blandura que es menor de 30 gramos de fuerza por gramo por metro cuadrado de la espuma absorbente. 2Un producto absorbente desechable que comprende una hoja superior permeable a líquidos, una hoja posterior unida a la hoja superior, y un núcleo absorbente posicionado entre la hoja superior permeable a líquidos y la hoja posterior, donde el núcleo absorbente comprende una espuma absorbente, donde la espuma absorbente comprende un polímero insoluble en agua, hinchable en agua, donde el polímero insoluble en agua, hichable en agua está presente en la espuma absorbente en una cantidad en peso de entre 50 por ciento en peso hasta 100 por ciento en peso, basado en el peso total de la espuma absorbente, y donde la espuma absorbente exhibe un valor de Hinchamiento Libre de por lo menos 10 gramos de líquido por gramo de espuma absorbente y un valor de Blandura que es menor de 30 gramos de fuerza por gramo por metro cuadrado de la espuma absorbente. 2Un proceso para preparar una espuma absorbente donde la espuma absorbente comprende un polímero insoluble en agua, hinchable en agua, el proceso que comprende:a. formar una solución que comprende una cantidad en peso de agua y un polímero, donde el polímero está presente en la solución en una cantidad en peso entre 0,1hasta 30 por ciento en peso, basado en el peso total de la solución; ... <EMI FILE="98067869_1" ID="1" IMF=JPEG >An absorbent foam comprising a water-insoluble, water-swellable polymer, where the water-insoluble, water-swellable polymer is present in the absorbent foam in an amount by weight between 50 percent by weight up to 100 percent by weight, based on the total weight of the absorbent foam, and where the absorbent foam exhibits a Free Swelling value of at least 10 grams of liquid per grams of absorbent foam and a Softness value that is less than 30 grams of force per gram per square meter of absorbent foam. 2 A disposable absorbent product comprising a liquid permeable top sheet, a back sheet attached to the top sheet, and an absorbent core positioned between the liquid permeable top sheet and the back sheet, where the absorbent core comprises an absorbent foam, where the absorbent foam comprises a water-insoluble, water-swellable polymer, where the water-insoluble water-insoluble polymer is present in the absorbent foam in an amount by weight of between 50 percent by weight up to 100 percent by weight, based on the total weight of the absorbent foam, and where the absorbent foam exhibits a Free Swelling value of at least 10 grams of liquid per gram of absorbent foam and a Softness value that is less than 30 grams of force per gram per square meter of absorbent foam. 2 A process for preparing an absorbent foam where the absorbent foam comprises a water-insoluble, water-swellable polymer, the process comprising: a. forming a solution comprising an amount by weight of water and a polymer, wherein the polymer is present in the solution in an amount by weight between 0.1 to 30 percent by weight, based on the total weight of the solution; ... <EMI FILE = "98067869_1" ID = "1" MFI = JPEG>

CO98067869A 1997-11-25 1998-11-18 ABSORBENT FOAM THAT INCLUDES A POLYMER, THE ABSORBENT PRODUCT THAT UNDERSTANDS IT AND THE PROCESS FOR PREPARATION CO5070628A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/977,918 US5985434A (en) 1997-11-25 1997-11-25 Absorbent foam
US08/978,263 US5948829A (en) 1997-11-25 1997-11-25 Process for preparing an absorbent foam

Publications (1)

Publication Number Publication Date
CO5070628A1 true CO5070628A1 (en) 2001-08-28

Family

ID=27130597

Family Applications (1)

Application Number Title Priority Date Filing Date
CO98067869A CO5070628A1 (en) 1997-11-25 1998-11-18 ABSORBENT FOAM THAT INCLUDES A POLYMER, THE ABSORBENT PRODUCT THAT UNDERSTANDS IT AND THE PROCESS FOR PREPARATION

Country Status (9)

Country Link
KR (1) KR100552032B1 (en)
AR (1) AR017661A1 (en)
AU (1) AU1421399A (en)
BR (1) BR9815033A (en)
CO (1) CO5070628A1 (en)
DE (1) DE19882845T1 (en)
GB (1) GB2347675B (en)
MX (1) MX229331B (en)
WO (1) WO1999026670A1 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10055084A1 (en) 2000-11-07 2002-06-13 Basf Ag Flexible, open-celled, microcellular polymer foams
US7053131B2 (en) 2002-12-03 2006-05-30 Kimberly-Clark Worldwide, Inc. Absorbent articles comprising supercritical fluid treated HIPE, I-HIPE foams and other foams
KR100722293B1 (en) * 2004-02-18 2007-05-28 주식회사 바이오폴리텍 Preparation of chito foam dressing for wound repair
WO2009022358A1 (en) 2007-08-10 2009-02-19 Luigi Ambrosio Superabsorbent polymer hydro gels and a method of preparing thereof
EP2163266A1 (en) * 2008-09-12 2010-03-17 The Procter &amp; Gamble Absorbent article comprising water-absorbing material
EP2717685B1 (en) 2011-06-07 2018-08-22 Gelesis LLC Method for producing hydrogels
JP6726109B2 (en) 2014-06-20 2020-07-22 ジェレシス，エルエルシー Composition for treating overweight or obesity
EP3250612B1 (en) 2015-01-29 2020-12-02 Gelesis LLC Method for producing hydrogels coupling high elastic modulus and absorbance
US10729600B2 (en) 2015-06-30 2020-08-04 The Procter & Gamble Company Absorbent structure
CN108348387B (en) 2015-11-04 2021-05-28 宝洁公司 Absorbent structure
BR112018009094A2 (en) 2015-11-04 2018-11-06 Procter & Gamble absorbent structure
CN108348380B (en) * 2015-11-04 2021-06-01 宝洁公司 Thin and flexible absorbent article
WO2017189422A1 (en) 2016-04-25 2017-11-02 Gelesis, Llc. Method for treating constipation
CN113929819B (en) * 2021-11-11 2024-01-09 军事科学院军事医学研究院环境医学与作业医学研究所 Chitosan polyacrylamide composite porous hydrogel, metal ion detection reagent, and preparation method and application thereof
KR102485144B1 (en) * 2022-03-16 2023-01-06 주식회사 큐에이치바이오 Dermal filler composition containing hyaluronic acid and method for manufacturing the same

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5280079A (en) * 1986-11-20 1994-01-18 Allied Colloids Limited Absorbent products and their manufacture
EP0625070B1 (en) * 1991-12-20 1998-07-08 AlliedSignal Inc. Low density materials having high surface areas and articles formed therefrom for use in the recovery of metals

Also Published As

Publication number Publication date
BR9815033A (en) 2000-10-03
AU1421399A (en) 1999-06-15
GB2347675A (en) 2000-09-13
DE19882845T1 (en) 2001-06-21
KR100552032B1 (en) 2006-02-20
GB0015476D0 (en) 2000-08-16
GB2347675B (en) 2002-06-05
MX229331B (en) 2005-07-21
AR017661A1 (en) 2001-09-12
KR20010032398A (en) 2001-04-16
WO1999026670A1 (en) 1999-06-03
MXPA00005002A (en) 2000-11-01

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