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BRPI0407342B8 - agente absorvente de água - Google Patents

agente absorvente de água

Info

Publication number
BRPI0407342B8
BRPI0407342B8 BRPI0407342A BRPI0407342A BRPI0407342B8 BR PI0407342 B8 BRPI0407342 B8 BR PI0407342B8 BR PI0407342 A BRPI0407342 A BR PI0407342A BR PI0407342 A BRPI0407342 A BR PI0407342A BR PI0407342 B8 BRPI0407342 B8 BR PI0407342B8
Authority
BR
Brazil
Prior art keywords
water
absorbing agent
particles
absorbing
agent
Prior art date
Application number
BRPI0407342A
Other languages
English (en)
Inventor
Torii Kazushi
Imura Motohiro
Iwamura Taku
Mitsukami Yoshiro
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=32844344&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BRPI0407342(B8) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nippon Catalytic Chem Ind filed Critical Nippon Catalytic Chem Ind
Publication of BRPI0407342A publication Critical patent/BRPI0407342A/pt
Publication of BRPI0407342B1 publication Critical patent/BRPI0407342B1/pt
Publication of BRPI0407342B8 publication Critical patent/BRPI0407342B8/pt

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
    • 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

  • 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)
  • Dispersion Chemistry (AREA)
  • Hematology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

"agente absorvente de água". apresenta-se um agente absorvente de água que combina ambos os desempenhos de força de sucção capilar e permeabilidade a líquidos. esse agente absorvente de água é um agente absorvente de água em partículas que compreende partículas de resina absorvente de água (<244>) e um agente intensificador de permeabilidade a líquidos (<225>), em que as partículas de resina absorvente de água (244) são partículas tratadas por reticulação de superfície de um polímero reticulado de um monômero que inclui ácido acrilico e/ou seu sal; com o agente absorvente de água sendo caracterizado pelo fato de que o agente absorvente de água em partículas tem: um diâmetro de partícula médio em peso (d50) na faixa de 234 a 394 <109>m, um desvio padrão logarítmico (<sym>) da distribuição de diâmetros de partículas na faixa de 0,25 a 0,45, uma capacidade de absorção sem carga (crc) de no mínimo 15 g/g e um teor de componente extraível com água de no máximo 15% em peso; e, além disso, um teor de agente intensificador de permeabilidade a liquidos (<225>) na faixa de 0,01 a 5 partes em peso por 100 partes em peso de partículas de resina absorvente de água (<244>).
BRPI0407342A 2003-02-10 2004-02-02 agente absorvente de água BRPI0407342B8 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2003032698 2003-02-10
JP2003-032698 2003-02-10
PCT/JP2004/001007 WO2004069915A2 (en) 2003-02-10 2004-02-02 Particulate water-absorbing agent

Publications (3)

Publication Number Publication Date
BRPI0407342A BRPI0407342A (pt) 2006-02-14
BRPI0407342B1 BRPI0407342B1 (pt) 2014-02-04
BRPI0407342B8 true BRPI0407342B8 (pt) 2021-06-22

Family

ID=32844344

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0407342A BRPI0407342B8 (pt) 2003-02-10 2004-02-02 agente absorvente de água

Country Status (13)

Country Link
US (1) US7638570B2 (pt)
EP (1) EP1594556B1 (pt)
JP (1) JP2008142714A (pt)
KR (1) KR100697944B1 (pt)
CN (2) CN100346843C (pt)
BR (1) BRPI0407342B8 (pt)
DE (1) DE602004005830T2 (pt)
IN (1) IN2005CH01828A (pt)
MX (1) MX251840B (pt)
PL (1) PL215419B1 (pt)
RU (1) RU2299075C2 (pt)
TW (1) TWI306864B (pt)
WO (1) WO2004069915A2 (pt)

Families Citing this family (206)

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EP1594556A2 (en) 2005-11-16
BRPI0407342B1 (pt) 2014-02-04
CN100418586C (zh) 2008-09-17
CN1747751A (zh) 2006-03-15
DE602004005830T2 (de) 2008-01-10
IN2005CH01828A (pt) 2007-06-15
JP2008142714A (ja) 2008-06-26
DE602004005830D1 (de) 2007-05-24
MXPA05008338A (es) 2005-11-04
CN100346843C (zh) 2007-11-07
BRPI0407342A (pt) 2006-02-14
RU2299075C2 (ru) 2007-05-20
US7638570B2 (en) 2009-12-29
MX251840B (es) 2007-11-26
WO2004069915A3 (en) 2004-12-09
US20060204755A1 (en) 2006-09-14
EP1594556B1 (en) 2007-04-11
CN1747752A (zh) 2006-03-15
TWI306864B (en) 2009-03-01
WO2004069915A2 (en) 2004-08-19
PL215419B1 (pl) 2013-12-31
PL376637A1 (pl) 2006-01-09
RU2005128302A (ru) 2006-01-27
KR100697944B1 (ko) 2007-03-20
KR20050107415A (ko) 2005-11-11

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