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BRPI0510765A - método de produção de um agente de absorção de água, e agente de absorção de água - Google Patents

método de produção de um agente de absorção de água, e agente de absorção de água

Info

Publication number
BRPI0510765A
BRPI0510765A BRPI0510765-2A BRPI0510765A BRPI0510765A BR PI0510765 A BRPI0510765 A BR PI0510765A BR PI0510765 A BRPI0510765 A BR PI0510765A BR PI0510765 A BRPI0510765 A BR PI0510765A
Authority
BR
Brazil
Prior art keywords
water absorbing
water
absorbing agent
agent
production method
Prior art date
Application number
BRPI0510765-2A
Other languages
English (en)
Inventor
Masatoshi Nakamura
Koji Miyake
Hirofumi Shibata
Original Assignee
Nippon Catalytic Chem Ind
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 Nippon Catalytic Chem Ind filed Critical Nippon Catalytic Chem Ind
Publication of BRPI0510765A publication Critical patent/BRPI0510765A/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
    • 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
    • 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
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Hematology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

MéTODO DE PRODUçãO DE UM AGENTE DE ABSORçãO DE áGUA, E AGENTE DE ABSORçãO DE áGUA De acordo com um agente de absorção de água da presente invenção e um método da presente invenção para produção do agente de absorção de água, (i) partículas de resina absorventes de água que possuem uma estrutura interna encadeada obtida por polimerização de um monómero insaturado solúvel em água, (ii) ácido orgânico (sal) e (iii) sal de metal multivalente solúvel em água são misturados, de modo que seja possível fornecer um agente de absorção de água que suprima a permeação de componentes de metal nas partículas de resina absorventes de água e permita que os componentes de metal adiram uniformemente a uma superfície inteira da resina absorvente de água em um modo por pontos.
BRPI0510765-2A 2004-05-07 2005-04-28 método de produção de um agente de absorção de água, e agente de absorção de água BRPI0510765A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004138866 2004-05-07
PCT/JP2005/008577 WO2005108472A1 (en) 2004-05-07 2005-04-28 Water absorbing agent and production method thereof

Publications (1)

Publication Number Publication Date
BRPI0510765A true BRPI0510765A (pt) 2007-11-20

Family

ID=34968004

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0510765-2A BRPI0510765A (pt) 2004-05-07 2005-04-28 método de produção de um agente de absorção de água, e agente de absorção de água

Country Status (10)

Country Link
US (1) US8846823B2 (pt)
EP (1) EP1765913B1 (pt)
KR (1) KR20070012731A (pt)
CN (2) CN102875944B (pt)
BR (1) BRPI0510765A (pt)
DE (1) DE602005009367D1 (pt)
MX (1) MXPA06012381A (pt)
RU (1) RU2006140095A (pt)
TW (1) TW200540193A (pt)
WO (1) WO2005108472A1 (pt)

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WO2005108472A1 (en) 2005-11-17
MXPA06012381A (es) 2007-04-19
CN102875944A (zh) 2013-01-16
TW200540193A (en) 2005-12-16
RU2006140095A (ru) 2008-06-20
CN102875944B (zh) 2015-07-08
KR20070012731A (ko) 2007-01-26
CN1965019A (zh) 2007-05-16
EP1765913A1 (en) 2007-03-28
DE602005009367D1 (de) 2008-10-09
US8846823B2 (en) 2014-09-30
US20080032888A1 (en) 2008-02-07

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