BRPI0920242B8 - processo para a preparação de polímero superabsorvente contendo argila - Google Patents

processo para a preparação de polímero superabsorvente contendo argila

Info

Publication number
BRPI0920242B8
BRPI0920242B8 BRPI0920242A BRPI0920242A BRPI0920242B8 BR PI0920242 B8 BRPI0920242 B8 BR PI0920242B8 BR PI0920242 A BRPI0920242 A BR PI0920242A BR PI0920242 A BRPI0920242 A BR PI0920242A BR PI0920242 B8 BRPI0920242 B8 BR PI0920242B8
Authority
BR
Brazil
Prior art keywords
clay
hydrogel
polymer
superabsorbent
superabsorbent polymer
Prior art date
Application number
BRPI0920242A
Other languages
English (en)
Inventor
Azad Michael
Smith Scott
C Joy Mark
W Blake Geoffrey
S Jarman Michael
Original Assignee
Evonik Stockhausen Llc
Evonik Degussa Corp
Evonik Corp
Evonik Superabsorber Llc
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 Evonik Stockhausen Llc, Evonik Degussa Corp, Evonik Corp, Evonik Superabsorber Llc filed Critical Evonik Stockhausen Llc
Publication of BRPI0920242A2 publication Critical patent/BRPI0920242A2/pt
Publication of BRPI0920242B1 publication Critical patent/BRPI0920242B1/pt
Publication of BRPI0920242B8 publication Critical patent/BRPI0920242B8/pt

Links

Classifications

    • 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
    • A61L15/18—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing inorganic 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
    • A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
    • A61L15/24—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
    • 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
    • A61L15/46—Deodorants or malodour counteractants, e.g. to inhibit the formation of ammonia or bacteria
    • 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
    • C08F20/00—Homopolymers and 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 a salt, anhydride, ester, amide, imide or nitrile thereof
    • C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
    • C08F20/10—Esters
    • C08F20/34—Esters containing nitrogen, e.g. N,N-dimethylaminoethyl (meth)acrylate
    • 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
    • C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
    • C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
    • C08J3/075—Macromolecular gels
    • 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
    • C08J3/12—Powdering or granulating
    • C08J3/128—Polymer particles coated by inorganic and non-macromolecular organic compounds
    • 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
    • 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
    • A61F2013/00361—Plasters
    • A61F2013/00727—Plasters means for wound humidity control
    • A61F2013/00748—Plasters means for wound humidity control with hydrocolloids or superabsorbers
    • 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
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Materials Engineering (AREA)
  • Hematology (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Vascular Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerisation Methods In General (AREA)

Abstract

PROCESSO PARA A PREPARAÇÃO DE POLÍMERO SUPERABSORVENTE CONTENDO ARGILA, POLÍMERO SUPERABSORVENTE, ARTIGO SANITÁRIO, FRALDA, MÉTODO DE ABSORVER UM MEIO AQUOSO, E FRALDA TENDO UM NÚCLEO Um processo para a preparação de polímero superabsorvente contendo argila, o processo incluindo as etapas de (I) polimerizar uma mistura de polimerização compreendendo: (a) um ou mais monômeros etilenicamente insaturados contendo carboxila, (b) um ou mais agentes de reticulação, (c) opcionalmente um ou mais comonômeros copolimerizáveis com o monômero contendo carboxila, (d) agente neutralizante para neutralizar parcialmente o polímero até de cerca de 50% a cerca de 99% em peso, e (e) um meio de polimerização para formar um hidrogel parcialmente neutralizado reticulado, (II) misturar uma argila ou hidrogel parcialmente neutralizado reticulado para formar hidrogel de polímero superabsorvente-argila parcialmente neutralizado; (III) secar o hidrogel parcialmente neutralizado reticulado a uma temperatura de cerca de 190ºC a cerca de 210ºC e por um período de tempo de cerca de 15 minutos a cerca de 120 minutos, e (IV) triturar o hidrogel de polímero superabsorvente-argila parcialmente neutralizado até partículas.
BRPI0920242A 2008-10-20 2009-10-13 processo para a preparação de polímero superabsorvente contendo argila BRPI0920242B8 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/254,434 2008-10-20
US12/254,434 US8222477B2 (en) 2008-10-20 2008-10-20 Superabsorbent polymer containing clay, particulate, and method of making same
PCT/EP2009/063300 WO2010046265A1 (en) 2008-10-20 2009-10-13 Superabsorbent polymer containing clay, particulate, and method of making same

Publications (3)

Publication Number Publication Date
BRPI0920242A2 BRPI0920242A2 (pt) 2015-08-18
BRPI0920242B1 BRPI0920242B1 (pt) 2020-12-29
BRPI0920242B8 true BRPI0920242B8 (pt) 2022-08-23

Family

ID=41572570

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0920242A BRPI0920242B8 (pt) 2008-10-20 2009-10-13 processo para a preparação de polímero superabsorvente contendo argila

Country Status (8)

Country Link
US (3) US8222477B2 (pt)
EP (1) EP2334344B1 (pt)
JP (1) JP5380541B2 (pt)
KR (1) KR101647166B1 (pt)
CN (2) CN102186508B (pt)
BR (1) BRPI0920242B8 (pt)
TW (1) TWI526478B (pt)
WO (1) WO2010046265A1 (pt)

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US20150157759A1 (en) 2015-06-11
WO2010046265A1 (en) 2010-04-29
CN104072928A (zh) 2014-10-01
TW201026756A (en) 2010-07-16
EP2334344A1 (en) 2011-06-22
BRPI0920242B1 (pt) 2020-12-29
US8222477B2 (en) 2012-07-17
US8962910B2 (en) 2015-02-24
BRPI0920242A2 (pt) 2015-08-18
JP2012505940A (ja) 2012-03-08
JP5380541B2 (ja) 2014-01-08
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US20100100066A1 (en) 2010-04-22
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