BR0206696A - Composição de ácido acrìlico e seu processo de produção, e processo para a produção de resina de absorção de água utilizando essa composição de ácido acrìlico, e resina de absorção de água - Google Patents

Composição de ácido acrìlico e seu processo de produção, e processo para a produção de resina de absorção de água utilizando essa composição de ácido acrìlico, e resina de absorção de água

Info

Publication number
BR0206696A
BR0206696A BR0206696-3A BR0206696A BR0206696A BR 0206696 A BR0206696 A BR 0206696A BR 0206696 A BR0206696 A BR 0206696A BR 0206696 A BR0206696 A BR 0206696A
Authority
BR
Brazil
Prior art keywords
acrylic acid
water
absorbing resin
acid composition
producing
Prior art date
Application number
BR0206696-3A
Other languages
English (en)
Other versions
BR0206696B1 (pt
Inventor
Sei Nakahara
Kunihiko Ishizaki
Hirotama Fujimaru
Yasuhisa Nakashima
Kazuhiko Sakamoto
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
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Application filed by Nippon Catalytic Chem Ind filed Critical Nippon Catalytic Chem Ind
Publication of BR0206696A publication Critical patent/BR0206696A/pt
Publication of BR0206696B1 publication Critical patent/BR0206696B1/pt

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Classifications

    • 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
    • C08F20/04—Acids, Metal salts or ammonium salts thereof
    • C08F20/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts 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
    • A61L15/60—Liquid-swellable gel-forming materials, e.g. super-absorbents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (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)
  • Epidemiology (AREA)
  • Materials Engineering (AREA)
  • Hematology (AREA)
  • Dispersion Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerisation Methods In General (AREA)
  • Absorbent Articles And Supports Therefor (AREA)

Abstract

"COMPOSIçãO DE áCIDO ACRìLICO E SEU PROCESSO DE PRODUçãO, E PROCESSO PARA A PRODUçãO DE RESINA DE ABSORçãO DE áGUA UTILIZANDO ESSA COMPOSIçãO DE áCIDO ACRìLICO, E RESINA DE ABSORçãO DE áGUA". Para produzir uma resina que absorve água barata e com alta produtividade, da qual: o teor de monómero residual e o teor extraível de água são ambos baixos, e as propriedades são elevadas e a capacidade de coloração é baixa; é fornecido um processo para a produção de uma resina que absorva água, o qual é um processo para a produção de uma resina que absorva água reticulada por polimerização de um componente de monómero incluindo ácido acrílico e/ou seu sal em uma grande proporção em que o ácido acrílico é um produto obtido por oxidação de fase gasosa catalítica de propileno e/ou propano, com o processo sendo caracterizado por compreender as etapas de: preparar o componente de monómero de uma composição de ácido acrílico que inclui o ácido acrílico não neutralizado e um metoxifenol e tem um teor de metoxifenol de 10 a 160 ppm em peso (com base no ácido acrílico não neutralizado); e então realizar polimerização radical e/ou ultravioleta do componente de monómero resultante.
BRPI0206696-3B1A 2001-12-19 2002-12-17 Processo para a produção de resina de absorção de água reticulada, resina de absorção de água e material sanitário BR0206696B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001385746 2001-12-19
PCT/JP2002/013161 WO2003051940A1 (en) 2001-12-19 2002-12-17 Acrylic acid composition and its production process, and process for producing water-absorbent resin using this acrylic acid composition, and water-absorbent resin

Publications (2)

Publication Number Publication Date
BR0206696A true BR0206696A (pt) 2004-02-03
BR0206696B1 BR0206696B1 (pt) 2013-12-10

Family

ID=19187869

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0206696-3B1A BR0206696B1 (pt) 2001-12-19 2002-12-17 Processo para a produção de resina de absorção de água reticulada, resina de absorção de água e material sanitário

Country Status (9)

Country Link
US (1) US7049366B2 (pt)
EP (1) EP1456259B1 (pt)
JP (1) JP4150253B2 (pt)
KR (1) KR100549717B1 (pt)
CN (2) CN1831019B (pt)
BR (1) BR0206696B1 (pt)
DE (1) DE60233590D1 (pt)
SA (1) SA03230508B1 (pt)
WO (1) WO2003051940A1 (pt)

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BR0206696B1 (pt) 2013-12-10
CN1279067C (zh) 2006-10-11
DE60233590D1 (de) 2009-10-15
KR20030081452A (ko) 2003-10-17
SA03230508B1 (ar) 2007-02-24
JP2003246810A (ja) 2003-09-05
KR100549717B1 (ko) 2006-02-07
WO2003051940A1 (en) 2003-06-26
US7049366B2 (en) 2006-05-23
CN1610707A (zh) 2005-04-27
JP4150253B2 (ja) 2008-09-17
EP1456259A1 (en) 2004-09-15
EP1456259B1 (en) 2009-09-02
US20040110914A1 (en) 2004-06-10
CN1831019B (zh) 2010-05-12

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