BR9908078A - Process for the superficial cross-linking of particles of superabsorbent polymers, cross-linked superabsorbent polymer on the surface, and the use thereof - Google Patents

Process for the superficial cross-linking of particles of superabsorbent polymers, cross-linked superabsorbent polymer on the surface, and the use thereof

Info

Publication number
BR9908078A
BR9908078A BR9908078-8A BR9908078A BR9908078A BR 9908078 A BR9908078 A BR 9908078A BR 9908078 A BR9908078 A BR 9908078A BR 9908078 A BR9908078 A BR 9908078A
Authority
BR
Brazil
Prior art keywords
cross
particles
superficial
linking
superabsorbent
Prior art date
Application number
BR9908078-8A
Other languages
Portuguese (pt)
Inventor
Ruediger Funk
Volker Frenz
Uwe Stueven
Fritz Engelhardt
Thomas Daniel
Original Assignee
Basf Ag
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 filed Critical Basf Ag
Publication of BR9908078A publication Critical patent/BR9908078A/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
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
    • C08J3/245—Differential crosslinking of one polymer with one crosslinking type, e.g. surface crosslinking
    • 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
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/42—Introducing metal atoms or metal-containing groups
    • 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
    • C08J2300/14—Water soluble or water swellable polymers, e.g. aqueous gels

Abstract

"PROCESSO PARA A RETICULAçãO SUPERFICIAL DE PARTìCULAS DE POLìMEROS SUPERABSORVENTES, POLìMERO SUPERABSORVENTE RETICULADO NA SUPERFìCIE, E, USO DO MESMO" A invenção provê um processo para a reticulação de superfície de partículas de polímeros superabsorventes que compreende usar compostos da fórmula 1 como reticuladores. na qual R e R' independentemente um do outro são hidrogênio ou C~ 1~-C~ 6~-alquila."PROCESS FOR THE SUPERFICIAL HALFTENSING OF SUPERABSORBENT POLYMERS PARTICLES, SUPERABSORVENT POLYMER THROUGH SURFACE, AND, USE OF THE SAME" The invention provides a process for the surface crosslinking of superabsorbent polymer particles that comprises using compounds of formula 1 as reticulators. in which R and R 'independently of each other are hydrogen or C ~ 1 ~ -C ~ 6 ~ -alkyl.

BR9908078-8A 1998-02-21 1999-02-18 Process for the superficial cross-linking of particles of superabsorbent polymers, cross-linked superabsorbent polymer on the surface, and the use thereof BR9908078A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1998107504 DE19807504A1 (en) 1998-02-21 1998-02-21 Surface crosslinking of superabsorbing polymer particles used in hygiene articles, packaging materials and nonwovens
PCT/EP1999/001065 WO1999042496A1 (en) 1998-02-21 1999-02-18 Radio transmitting digital camera

Publications (1)

Publication Number Publication Date
BR9908078A true BR9908078A (en) 2000-10-24

Family

ID=7858617

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9908078-8A BR9908078A (en) 1998-02-21 1999-02-18 Process for the superficial cross-linking of particles of superabsorbent polymers, cross-linked superabsorbent polymer on the surface, and the use thereof

Country Status (9)

Country Link
EP (1) EP1056789A1 (en)
JP (1) JP2002504568A (en)
CN (1) CN1291203A (en)
AU (1) AU3253199A (en)
BR (1) BR9908078A (en)
CA (1) CA2319786A1 (en)
DE (1) DE19807504A1 (en)
ID (1) ID28466A (en)
WO (1) WO1999042496A1 (en)

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DE19854575A1 (en) * 1998-11-26 2000-05-31 Basf Ag Cross-linked swellable polymers
EP1130045B2 (en) 2000-02-29 2015-10-28 Nippon Shokubai Co., Ltd. Process for producing a water-absorbent resin powder
WO2001089591A2 (en) * 2000-05-25 2001-11-29 Basf Aktiengesellschaft Surface-treated superabsorbent polymer particles
DE10125599A1 (en) 2001-05-25 2002-11-28 Stockhausen Chem Fab Gmbh Super-absorbent polymer powder for use in e.g. diapers, packaging and soil improvers, obtained by pre-swelling polycarboxy-polysaccharide in water and then drying and surface-crosslinking resulting hydrogel
ATE340199T1 (en) 2001-06-28 2006-10-15 Basf Ag ACIDIC HIGHLY SWELLING HYDRGELS
EP1456258B1 (en) 2001-12-19 2009-04-01 Nippon Shokubai Co., Ltd. Water-absorbent resin and production process therefor
DE10233934A1 (en) 2002-07-25 2004-02-12 Wacker Polymer Systems Gmbh & Co. Kg Polyvinyl alcohols containing silane and polyvinyl acetals
ES2305494T3 (en) * 2002-10-01 2008-11-01 Akzo Nobel Coatings International Bv COATING COMPOSITION THAT INCLUDES A COMPOUND THAT INCLUDES AN ORTO-SILICATE SPIRIT GROUP.
US7193006B2 (en) 2002-12-06 2007-03-20 Nippon Shokubai Co., Ltd. Process for continuous production of water-absorbent resin product
EP1869119B1 (en) 2005-04-12 2010-03-03 Nippon Shokubai Co., Ltd. Particulate water absorbing agent including polyacrylic acid (polyacrylate) based water absorbing resin as a principal component, method for production thereof, water-absorbent core and absorbing article in which the particulate water absorbing agent is used
EP2042521A1 (en) 2006-03-29 2009-04-01 Nippon Shokubai Co., Ltd. Method of producing polyacrylic acid (salt) water-absorbent resin
JP5765884B2 (en) 2006-09-25 2015-08-19 アーチャー−ダニエルズ−ミッドランド カンパニー Superabsorbent surface-treated carboxyalkylated polysaccharide and method for producing the same
JP5478897B2 (en) 2007-01-24 2014-04-23 株式会社日本触媒 Particulate water-absorbing polymer and method for producing the same
CN102675522B (en) 2007-02-05 2014-11-19 株式会社日本触媒 Method of producing particle-shaped water absorbing agent
SA08290402B1 (en) 2007-07-04 2014-05-22 نيبون شوكوباي كو. ، ليمتد Particulate Water Absorbing Agent and Manufacturing Method of Same
US7790819B1 (en) * 2009-04-13 2010-09-07 Formosa Plastics Corporation, U.S.A. Bicyclic organosilicon compounds as electron donors for polyolefin catalysts
WO2010131604A1 (en) 2009-05-15 2010-11-18 株式会社日本触媒 Method for producing (meth)acrylic acid
JP5580812B2 (en) 2009-05-15 2014-08-27 株式会社日本触媒 Method for producing (meth) acrylic acid
BRPI1012135A2 (en) 2009-05-15 2016-03-29 Nippon Catalytic Chem Ind process to produce (meth) acrylic acid and crystallization system
US8802800B2 (en) 2009-08-28 2014-08-12 Nippon Shokubai Co., Ltd. Production method for water-absorbent resin
BR112012005901A2 (en) * 2009-09-16 2019-09-24 Basf Se superabsorbent, process for producing a superabsorbent, article for absorbing fluids, and process for producing articles for absorbing fluids
WO2011040575A1 (en) 2009-09-30 2011-04-07 株式会社日本触媒 Polyacrylic acid salt-based water absorbent resin and method for producing same
US8623994B2 (en) 2010-01-20 2014-01-07 Nippon Shokubai, Co., Ltd. Method for producing water absorbent resin
JP5587348B2 (en) 2010-01-20 2014-09-10 株式会社日本触媒 Method for producing water absorbent resin
EP2535369B1 (en) 2010-02-10 2021-03-24 Nippon Shokubai Co., Ltd. Process for producing water-absorbing resin powder
CN102791774B (en) 2010-03-08 2016-06-29 株式会社日本触媒 The drying means of graininess aqueous gel shape cross linked polymer
EP2546284B1 (en) 2010-03-12 2019-07-10 Nippon Shokubai Co., Ltd. Method for manufacturing a water-absorbing resin
EP2548910B1 (en) 2010-03-17 2020-02-12 Nippon Shokubai Co., Ltd. Method of producing absorbent resin
US20130043384A1 (en) 2010-04-26 2013-02-21 Nippon Shokubai Co., Ltd. Polyacrylic acid (salt), polyacrylic acid (salt)-based water-absorbing resin, and process for producing same
CN105713138A (en) * 2015-05-20 2016-06-29 内蒙古大学 Method for preparing high-water-absorption resin by using carboxymethyl potato starch and hydrogen peroxide as raw materials by one-pot method
CN111100155B (en) * 2019-06-03 2022-11-01 杭州师范大学 Is prepared from SiO2Synthesis method for directly preparing four-coordination siloxane and five-coordination siloxane

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* Cited by examiner, † Cited by third party
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US3455980A (en) * 1966-12-12 1969-07-15 Cecil L Frye Pentacoordinate silicon complexes of vicinal aliphatic diols
CA1065334A (en) * 1974-12-16 1979-10-30 Eugene R. Martin Silylated polymers and silylated organic-organopolysiloxane block copolymers
EP0195406B1 (en) * 1985-03-18 1991-10-23 Mitsubishi Petrochemical Co., Ltd. Process for producing highly water-absorbing polymer
DE3878533T2 (en) * 1987-10-29 1993-06-03 Nippon Catalytic Chem Ind METHOD FOR TREATING THE SURFACE OF A WATER-ABSORBENT RESIN.
DE4418818C2 (en) * 1993-07-09 1997-08-21 Stockhausen Chem Fab Gmbh Powdery, crosslinked, aqueous liquids and / or body fluids absorbing polymers, processes for their preparation and their use
US5883158A (en) * 1994-08-12 1999-03-16 Kao Corporation Process for producing improved super absorbent polymer

Also Published As

Publication number Publication date
CA2319786A1 (en) 1999-08-26
AU3253199A (en) 1999-09-06
ID28466A (en) 2001-05-24
JP2002504568A (en) 2002-02-12
WO1999042496A1 (en) 1999-08-26
DE19807504A1 (en) 1999-08-26
CN1291203A (en) 2001-04-11
EP1056789A1 (en) 2000-12-06

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