WO2003018072A3 - Superabsorbent polymer - Google Patents

Superabsorbent polymer Download PDF

Info

Publication number
WO2003018072A3
WO2003018072A3 PCT/US2002/025717 US0225717W WO03018072A3 WO 2003018072 A3 WO2003018072 A3 WO 2003018072A3 US 0225717 W US0225717 W US 0225717W WO 03018072 A3 WO03018072 A3 WO 03018072A3
Authority
WO
WIPO (PCT)
Prior art keywords
polymer
superabsorbent polymer
lignocellulosic
cellulosic
incorporated
Prior art date
Application number
PCT/US2002/025717
Other languages
French (fr)
Other versions
WO2003018072A2 (en
Inventor
Hugh West
John A Westland
Original Assignee
Weyerhaeuser Co
Hugh West
John A Westland
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
Application filed by Weyerhaeuser Co, Hugh West, John A Westland filed Critical Weyerhaeuser Co
Priority to JP2003522587A priority Critical patent/JP2005504135A/en
Priority to BR0212079-8A priority patent/BR0212079A/en
Priority to KR10-2004-7002693A priority patent/KR20040044479A/en
Priority to NZ531363A priority patent/NZ531363A/en
Priority to CA002457792A priority patent/CA2457792A1/en
Priority to MXPA04001670A priority patent/MXPA04001670A/en
Priority to EP02753458A priority patent/EP1423434A4/en
Publication of WO2003018072A2 publication Critical patent/WO2003018072A2/en
Priority to NO20040778A priority patent/NO20040778L/en
Publication of WO2003018072A3 publication Critical patent/WO2003018072A3/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B16/00—Regeneration of cellulose
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
    • C08H8/00—Macromolecular compounds derived from lignocellulosic 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
    • A61L15/60—Liquid-swellable gel-forming materials, e.g. super-absorbents
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B5/00—Preparation of cellulose esters of inorganic acids, e.g. phosphates
    • C08B5/14—Cellulose sulfate

Abstract

The present invention provides a polymer derived from a cellulosic, lignocellulosic, or polysaccharide material having superabsorbent properties. Methods for making the polymer and the personal care absorbent products that incorporated the polymer are also provided.
PCT/US2002/025717 2001-08-24 2002-08-13 Superabsorbent polymer WO2003018072A2 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP2003522587A JP2005504135A (en) 2001-08-24 2002-08-13 Super absorbent polymer
BR0212079-8A BR0212079A (en) 2001-08-24 2002-08-13 Superabsorbent Polymer, Method for Producing a Particle of Superabsorbent Polymer, Absorbent Composite, and Absorbent Article
KR10-2004-7002693A KR20040044479A (en) 2001-08-24 2002-08-13 Superabsorbent polymer
NZ531363A NZ531363A (en) 2001-08-24 2002-08-13 Cellulose sulphate superabsorbent polymer
CA002457792A CA2457792A1 (en) 2001-08-24 2002-08-13 Superabsorbent polymer
MXPA04001670A MXPA04001670A (en) 2001-08-24 2002-08-13 Superabsorbent polymer.
EP02753458A EP1423434A4 (en) 2001-08-24 2002-08-13 Superabsorbent polymer
NO20040778A NO20040778L (en) 2001-08-24 2004-02-23 Superabsorbent polymer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/939,182 US6500947B1 (en) 2001-08-24 2001-08-24 Superabsorbent polymer
US09/939,182 2001-08-24

Publications (2)

Publication Number Publication Date
WO2003018072A2 WO2003018072A2 (en) 2003-03-06
WO2003018072A3 true WO2003018072A3 (en) 2004-02-26

Family

ID=25472683

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/025717 WO2003018072A2 (en) 2001-08-24 2002-08-13 Superabsorbent polymer

Country Status (13)

Country Link
US (2) US6500947B1 (en)
EP (1) EP1423434A4 (en)
JP (1) JP2005504135A (en)
KR (1) KR20040044479A (en)
CN (1) CN1547591A (en)
BR (1) BR0212079A (en)
CA (1) CA2457792A1 (en)
MX (1) MXPA04001670A (en)
NO (1) NO20040778L (en)
NZ (1) NZ531363A (en)
RU (1) RU2260471C1 (en)
WO (1) WO2003018072A2 (en)
ZA (1) ZA200401195B (en)

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US7241836B2 (en) * 2004-12-29 2007-07-10 Weyerhaeuser Co. Method of crosslinking a mixture of carboxylated polymers using a triazine crosslinking activator
US20060142480A1 (en) * 2004-12-29 2006-06-29 Mengkui Luo Method of making carboxyalkyl cellulose polymer network
US20060142484A1 (en) * 2004-12-29 2006-06-29 Glasser Wolfgang G Sulfoalkylated cellulose polymer network
US7393905B2 (en) * 2004-12-29 2008-07-01 Weyerhaeuser Company Crosslinked mixed carboxylated polymer network
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US7300965B2 (en) 2004-12-29 2007-11-27 Weyerhaeuser Company Mixed polymer network
US20060142561A1 (en) * 2004-12-29 2006-06-29 Mengkui Luo Carboxyalkyl cellulose
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US20080082069A1 (en) * 2006-10-02 2008-04-03 Jian Qin Absorbent articles comprising carboxyalkyl cellulose fibers having non-permanent and temporary crosslinks
US20080147026A1 (en) * 2006-12-15 2008-06-19 Jian Qin Absorbent fiber with a low absorbent capacity and slow absorption rate
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US9221963B2 (en) * 2008-11-27 2015-12-29 Speciality Fibres And Materials Ltd. Absorbent material
US9144625B2 (en) * 2008-11-27 2015-09-29 Speciality Fibres And Materials Ltd. Cellulose ethylsulfonate-based absorbent material
WO2010127451A1 (en) * 2009-05-06 2010-11-11 Fpinnovations Crystalline sulphated cellulose ii and its production from sulphuric acid hydrolysis of celulose
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US9833767B2 (en) 2010-07-02 2017-12-05 Indian Council Of Agricultural Research Superabsorbents and the method(s) of obtaining the same
WO2012028565A1 (en) 2010-08-30 2012-03-08 Ann-Christine Albertsson Renewable superabsorbents
HUE045003T2 (en) 2011-07-14 2019-11-28 Smith & Nephew Wound dressing and method of treatment
US9907703B2 (en) 2012-05-23 2018-03-06 Smith & Nephew Plc Apparatuses and methods for negative pressure wound therapy
AU2013298195B2 (en) 2012-08-01 2017-07-13 Smith & Nephew Plc Wound dressing
AU2013298198B2 (en) 2012-08-01 2017-05-11 Smith & Nephew Plc Wound dressing
CN103143327B (en) * 2013-03-11 2014-12-24 山东轻工业学院 Preparation method of high-efficiency lead ion adsorption material sulfonated cellulose
EP3149050A1 (en) 2014-06-02 2017-04-05 Tethis, Inc. Modified biopolymers and methods of producing and using the same
EP3157484B1 (en) 2014-06-18 2020-02-26 Smith & Nephew plc Wound dressing
US9458297B2 (en) * 2014-06-30 2016-10-04 Weyerhaeuser Nr Company Modified fiber, methods, and systems
US10689566B2 (en) 2015-11-23 2020-06-23 Anavo Technologies, Llc Coated particles and methods of making and using the same
WO2017127828A1 (en) 2016-01-21 2017-07-27 North Carolina State University Cellulose acetate aerogels
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GB2555584B (en) 2016-10-28 2020-05-27 Smith & Nephew Multi-layered wound dressing and method of manufacture
WO2023012815A1 (en) 2021-07-31 2023-02-09 Hindustan Petroleum Corporation Limited A method for production of super absorbent polymer (sap)

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Also Published As

Publication number Publication date
RU2004104944A (en) 2005-06-27
CN1547591A (en) 2004-11-17
WO2003018072A2 (en) 2003-03-06
US20030045707A1 (en) 2003-03-06
US6951933B2 (en) 2005-10-04
BR0212079A (en) 2004-09-28
KR20040044479A (en) 2004-05-28
EP1423434A4 (en) 2004-12-08
NZ531363A (en) 2004-08-27
CA2457792A1 (en) 2003-03-06
NO20040778L (en) 2004-02-23
ZA200401195B (en) 2004-10-29
MXPA04001670A (en) 2004-05-31
EP1423434A2 (en) 2004-06-02
RU2260471C1 (en) 2005-09-20
JP2005504135A (en) 2005-02-10
US6500947B1 (en) 2002-12-31

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