WO2006020161A2 - Surface cross-linked superabsorbent polymer particles and methods of making them - Google Patents
Surface cross-linked superabsorbent polymer particles and methods of making them Download PDFInfo
- Publication number
- WO2006020161A2 WO2006020161A2 PCT/US2005/025343 US2005025343W WO2006020161A2 WO 2006020161 A2 WO2006020161 A2 WO 2006020161A2 US 2005025343 W US2005025343 W US 2005025343W WO 2006020161 A2 WO2006020161 A2 WO 2006020161A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cross
- linking
- polymer particles
- molecules
- superabsorbent polymer
- Prior art date
Links
Classifications
-
- 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
- A61F13/534—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 an inhomogeneous composition through the thickness of the pad
-
- 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
-
- 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
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/12—Powdering or granulating
-
- 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
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/28—Treatment by wave energy or particle radiation
-
- 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
- A61F2013/530708—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 characterized by the absorbency properties
- A61F2013/530737—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 characterized by the absorbency properties by the absorbent capacity
- A61F2013/530766—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 characterized by the absorbency properties by the absorbent capacity by the cross-link factor
-
- 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
- C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2333/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Public Health (AREA)
- Epidemiology (AREA)
- Engineering & Computer Science (AREA)
- Veterinary Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Vascular Medicine (AREA)
- Hematology (AREA)
- Materials Engineering (AREA)
- Dispersion Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2005274865A AU2005274865A1 (en) | 2004-07-20 | 2005-07-15 | Surface cross-linked superabsorbent polymer particles and methods of making them |
CA002573442A CA2573442A1 (en) | 2004-07-20 | 2005-07-15 | Surface cross-linked superabsorbent polymer particles and methods of making them |
BRPI0513537-0A BRPI0513537A (en) | 2004-07-20 | 2005-07-15 | surface-absorbing superabsorbent polymer particles and methods for their manufacture |
JP2007522607A JP2008506528A (en) | 2004-07-20 | 2005-07-15 | Surface-crosslinked superabsorbent polymer particles and method for producing the same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04017071.4 | 2004-07-20 | ||
EP04017071A EP1629854B1 (en) | 2004-07-20 | 2004-07-20 | Surface cross-linked superabsorbent polymer particles and methods of making them |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2006020161A2 true WO2006020161A2 (en) | 2006-02-23 |
WO2006020161A3 WO2006020161A3 (en) | 2006-06-01 |
Family
ID=34925825
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2005/025343 WO2006020161A2 (en) | 2004-07-20 | 2005-07-15 | Surface cross-linked superabsorbent polymer particles and methods of making them |
Country Status (14)
Country | Link |
---|---|
US (2) | US7588777B2 (en) |
EP (1) | EP1629854B1 (en) |
JP (1) | JP2008506528A (en) |
KR (1) | KR20070039050A (en) |
CN (1) | CN101076358A (en) |
AR (1) | AR054672A1 (en) |
AT (1) | ATE484298T1 (en) |
AU (1) | AU2005274865A1 (en) |
BR (1) | BRPI0513537A (en) |
CA (1) | CA2573442A1 (en) |
DE (1) | DE602004029569D1 (en) |
IN (1) | IN2006DE07971A (en) |
WO (1) | WO2006020161A2 (en) |
ZA (1) | ZA200700147B (en) |
Families Citing this family (22)
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US8080705B2 (en) * | 2004-07-28 | 2011-12-20 | The Procter & Gamble Company | Superabsorbent polymers comprising direct covalent bonds between polymer chain segments and method of making them |
TW200621868A (en) * | 2004-12-10 | 2006-07-01 | Nippon Catalytic Chem Ind | Method for surface-treatment of water absorbent resin |
EP1757645A1 (en) * | 2005-08-23 | 2007-02-28 | Nippon Shokubai Co.,Ltd. | Disclosure of a method of surface cross-linking highly neutralized superabsorbent polymer particles using Bronstedt acids |
EP1757648A1 (en) | 2005-08-23 | 2007-02-28 | Nippon Shokubai Co.,Ltd. | Disclosure of a method of surface cross-linking superabsorbent polymer particles using ultraviolet radiation and Brönsted acids |
EP1757643A1 (en) * | 2005-08-23 | 2007-02-28 | Nippon Shokubai Co.,Ltd. | Method of surface cross-linking superabsorbent polymer particles using vacuum ultraviolet radiation |
WO2008102322A2 (en) * | 2007-02-22 | 2008-08-28 | The Procter & Gamble Company | Method of surface treating particulate material using electromagnetic radiation |
US7935860B2 (en) * | 2007-03-23 | 2011-05-03 | Kimberly-Clark Worldwide, Inc. | Absorbent articles comprising high permeability superabsorbent polymer compositions |
EP2238181B1 (en) * | 2008-01-29 | 2019-06-12 | Basf Se | Method for the production of water-absorbing polymer particles |
US8453354B2 (en) | 2009-10-01 | 2013-06-04 | Nike, Inc. | Rigid cantilevered stud |
DE102010004478A1 (en) | 2010-01-12 | 2011-07-14 | Riesinger, Birgit, 48346 | New technologies for use in wound dressings with superabsorbent polymers |
EP2447286A1 (en) * | 2010-11-01 | 2012-05-02 | The Procter & Gamble Company | Process using supercritical medium to produce polymers |
KR101290740B1 (en) * | 2010-11-22 | 2013-07-29 | 주식회사 엘지화학 | Preparation method of super absorbent polymer |
KR101495779B1 (en) * | 2010-11-30 | 2015-02-25 | 주식회사 엘지화학 | Preparation method of super absorbent polymer |
EP2740449B1 (en) * | 2012-12-10 | 2019-01-23 | The Procter & Gamble Company | Absorbent article with high absorbent material content |
KR101604272B1 (en) | 2013-05-09 | 2016-03-25 | 주식회사 엘지화학 | Preparation method of super absorbent polymer |
CN104284921B (en) * | 2013-05-09 | 2016-07-06 | Lg化学株式会社 | The method preparing high water absorbency polymer |
EP2944376B1 (en) * | 2014-05-13 | 2019-11-13 | The Procter and Gamble Company | Agglomerated superabsorbent polymer particles |
CN109311286B (en) * | 2016-05-31 | 2021-06-25 | 花王株式会社 | Absorbent article |
AU2018221352B2 (en) | 2017-02-16 | 2022-02-17 | Nutrition & Biosciences USA 4, Inc. | Crosslinked dextran and crosslinked dextran-poly alpha-1,3-glucan graft copolymers |
WO2019055397A1 (en) | 2017-09-13 | 2019-03-21 | E. I. Du Pont De Nemours And Company | Nonwoven webs comprising polysaccharides |
KR102600854B1 (en) * | 2017-12-28 | 2023-11-10 | 롯데정밀화학 주식회사 | Method of manufacturing cellulose derivative particles, cellulose derivative particles and absorbent articles including the same |
KR102452566B1 (en) * | 2018-04-27 | 2022-10-06 | 주식회사 엘지화학 | Super absorbent polymer composition |
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- 2004-07-20 EP EP04017071A patent/EP1629854B1/en not_active Not-in-force
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- 2005-07-15 CA CA002573442A patent/CA2573442A1/en not_active Abandoned
- 2005-07-15 CN CNA2005800214777A patent/CN101076358A/en active Pending
- 2005-07-15 AU AU2005274865A patent/AU2005274865A1/en not_active Abandoned
- 2005-07-15 KR KR1020077001267A patent/KR20070039050A/en not_active Application Discontinuation
- 2005-07-15 JP JP2007522607A patent/JP2008506528A/en not_active Withdrawn
- 2005-07-15 WO PCT/US2005/025343 patent/WO2006020161A2/en active Application Filing
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WO2006020161A3 (en) | 2006-06-01 |
BRPI0513537A (en) | 2008-05-06 |
AR054672A1 (en) | 2007-07-11 |
EP1629854A1 (en) | 2006-03-01 |
IN2006DE07971A (en) | 2007-04-27 |
KR20070039050A (en) | 2007-04-11 |
ATE484298T1 (en) | 2010-10-15 |
AU2005274865A1 (en) | 2006-02-23 |
EP1629854B1 (en) | 2010-10-13 |
DE602004029569D1 (en) | 2010-11-25 |
US7588777B2 (en) | 2009-09-15 |
US20090299315A1 (en) | 2009-12-03 |
CN101076358A (en) | 2007-11-21 |
ZA200700147B (en) | 2008-05-28 |
JP2008506528A (en) | 2008-03-06 |
US7871640B2 (en) | 2011-01-18 |
CA2573442A1 (en) | 2006-02-23 |
US20060020053A1 (en) | 2006-01-26 |
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