WO2006082241A3 - A process for producing a water-absorbing material having a coating of elastic filmforming polymers - Google Patents

A process for producing a water-absorbing material having a coating of elastic filmforming polymers Download PDF

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Publication number
WO2006082241A3
WO2006082241A3 PCT/EP2006/050663 EP2006050663W WO2006082241A3 WO 2006082241 A3 WO2006082241 A3 WO 2006082241A3 EP 2006050663 W EP2006050663 W EP 2006050663W WO 2006082241 A3 WO2006082241 A3 WO 2006082241A3
Authority
WO
WIPO (PCT)
Prior art keywords
water
absorbing material
producing
coating
elastic
Prior art date
Application number
PCT/EP2006/050663
Other languages
French (fr)
Other versions
WO2006082241A2 (en
Inventor
Thomas Daniel
Ulrich Riegel
Stefan Bruhns
Mark Elliott
Karl Haeberle
Mattias Schmidt
Axel Meyer
Renae Dianna Fossum
Jean-Philippe Marie Autran
Original Assignee
Basf Ag
Thomas Daniel
Ulrich Riegel
Stefan Bruhns
Mark Elliott
Karl Haeberle
Mattias Schmidt
Axel Meyer
Renae Dianna Fossum
Jean-Philippe Marie Autran
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 Basf Ag, Thomas Daniel, Ulrich Riegel, Stefan Bruhns, Mark Elliott, Karl Haeberle, Mattias Schmidt, Axel Meyer, Renae Dianna Fossum, Jean-Philippe Marie Autran filed Critical Basf Ag
Priority to US11/815,271 priority Critical patent/US20080124551A1/en
Priority to JP2007553614A priority patent/JP2008528785A/en
Priority to DE602006015422T priority patent/DE602006015422D1/en
Priority to EP06708013A priority patent/EP1846047B1/en
Priority to AT06708013T priority patent/ATE473764T1/en
Publication of WO2006082241A2 publication Critical patent/WO2006082241A2/en
Publication of WO2006082241A3 publication Critical patent/WO2006082241A3/en

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42Use of materials characterised by their function or physical properties
    • A61L15/60Liquid-swellable gel-forming materials, e.g. super-absorbents
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/29Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991Coated

Abstract

The present invention relates to a process for producing a water-absorbing material comprising the steps of a) spray-coating water-absorbing polymeric particles with an elastic film-forming polymer in a fluidized bed reactor in the range from 0°C to 1500°C and b) heat-treatment of the coated particles at a temperature above 50°C, wherein in step a) and/or b) an antioxidant is added and the water-absorbing material obtainable by this process.
PCT/EP2006/050663 2005-02-04 2006-02-03 A process for producing a water-absorbing material having a coating of elastic filmforming polymers WO2006082241A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US11/815,271 US20080124551A1 (en) 2005-02-04 2006-02-03 Process For Producing a Water-Absorbing Material Having a Coating of Elastic Filmforming Polymers
JP2007553614A JP2008528785A (en) 2005-02-04 2006-02-03 Method for producing a water-absorbing material having an elastic film-forming polymer film
DE602006015422T DE602006015422D1 (en) 2005-02-04 2006-02-03 METHOD FOR PRODUCING A WATER ABSORBENT MATERIAL WITH A COATING OF ELASTIC FILM-FORMING POLYMERS
EP06708013A EP1846047B1 (en) 2005-02-04 2006-02-03 A process for producing a water-absorbing material having a coating of elastic filmforming polymers
AT06708013T ATE473764T1 (en) 2005-02-04 2006-02-03 METHOD FOR PRODUCING A WATER-ABSORBENT MATERIAL WITH A COATING OF ELASTIC FILM-FORMING POLYMERS

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US64954005P 2005-02-04 2005-02-04
US60/649,540 2005-02-04
US76648306P 2006-01-23 2006-01-23
US60/766,483 2006-01-23

Publications (2)

Publication Number Publication Date
WO2006082241A2 WO2006082241A2 (en) 2006-08-10
WO2006082241A3 true WO2006082241A3 (en) 2006-11-02

Family

ID=36763170

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2006/050663 WO2006082241A2 (en) 2005-02-04 2006-02-03 A process for producing a water-absorbing material having a coating of elastic filmforming polymers

Country Status (7)

Country Link
US (1) US20080124551A1 (en)
EP (1) EP1846047B1 (en)
JP (1) JP2008528785A (en)
AT (1) ATE473764T1 (en)
DE (1) DE602006015422D1 (en)
TW (1) TW200631610A (en)
WO (1) WO2006082241A2 (en)

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WO2009016055A2 (en) * 2007-07-27 2009-02-05 Basf Se Water-absorbing polymeric particles and method for the production thereof
EP2018877A1 (en) * 2007-07-27 2009-01-28 The Procter and Gamble Company Absorbent article comprising water-absorbing polymeric particles and method for the production thereof
EP2630183A1 (en) * 2010-10-21 2013-08-28 Basf Se Water-absorbing polymeric particles and method for the production thereof
WO2012142084A1 (en) 2011-04-11 2012-10-18 ADA-ES, Inc. Fluidized bed method and system for gas component capture
US8889765B2 (en) * 2011-06-01 2014-11-18 Basf Se Water-absorbing material having a coating of elastic film-forming polyurethane with high wicking and high permeability
EP2714775A1 (en) * 2011-06-01 2014-04-09 Basf Se Fast water-absorbing material having a coating of elastic film-forming polyurethane with high wicking
EP2620465B2 (en) 2012-01-27 2018-03-28 Evonik Degussa GmbH Heat-treatment of water-absorbing polymeric particles in a fluidized bed at a fast heat-up rate
EP2620466B1 (en) 2012-01-27 2014-09-10 Evonik Degussa GmbH Heat-treatment of water-absorbing polymeric particles in a fluidized bed
AU2013317997B2 (en) 2012-09-20 2016-04-07 ADA-ES, Inc. Method and system to reclaim functional sites on a sorbent contaminated by heat stable salts
JP5952431B2 (en) 2013-01-29 2016-07-13 株式会社日本触媒 Water-absorbing resin material and method for producing the same
CN112574821B (en) * 2020-12-02 2023-05-09 太极集团重庆涪陵制药厂有限公司 Traditional Chinese medicine volatile oil extraction equipment and extraction method
KR20230115995A (en) * 2020-12-09 2023-08-03 스미토모 세이카 가부시키가이샤 Absorbent Resin Particles, Absorbers and Absorbent Articles
CN114608963B (en) * 2022-03-25 2023-11-28 电子科技大学 Device and method for measuring Young modulus of metal wire based on exhaust method

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Also Published As

Publication number Publication date
WO2006082241A2 (en) 2006-08-10
ATE473764T1 (en) 2010-07-15
JP2008528785A (en) 2008-07-31
TW200631610A (en) 2006-09-16
EP1846047B1 (en) 2010-07-14
US20080124551A1 (en) 2008-05-29
DE602006015422D1 (en) 2010-08-26
EP1846047A2 (en) 2007-10-24

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