MXPA05008338A - Agente particulado que absorbe agua. - Google Patents

Agente particulado que absorbe agua.

Info

Publication number
MXPA05008338A
MXPA05008338A MXPA05008338A MXPA05008338A MXPA05008338A MX PA05008338 A MXPA05008338 A MX PA05008338A MX PA05008338 A MXPA05008338 A MX PA05008338A MX PA05008338 A MXPA05008338 A MX PA05008338A MX PA05008338 A MXPA05008338 A MX PA05008338A
Authority
MX
Mexico
Prior art keywords
water
absorbing agent
alpha
permeability
absorbent resin
Prior art date
Application number
MXPA05008338A
Other languages
English (en)
Inventor
Iwamura Taku
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=MXPA05008338(A) "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 MXPA05008338A publication Critical patent/MXPA05008338A/es
Publication of MX251840B publication Critical patent/MX251840B/es

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)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Hematology (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (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

Se describe un agente que absorbe agua el cual combina desempenos tanto de fuerza de succion capilar como permeabilidad a liquidos. Este agente que absorbe agua es un agente particulado que absorbe agua que comprende particulas (() de resina que absorbe agua y un agente (() mejorador de permeabilidad a liquidos, en donde las particulas (() de resina que absorbe agua son particulas tratadas y reticuladas en la superficie de un polimero reticulado de un monomero que incluye acido acrilico o su sal; con el agente que absorbe agua que esta caracterizado porque el agente particulado que absorbe agua tiene: una masa-diametro de particula promedio (D50) en el intervalo de 234 a 394 gm, una desviacion estandar logaritmica ((() de una distribucion de diametro de particula en el intervalo de 0.25 a 0.45, una capacidad de absorcion sin carga (CRC) no menor de 15 g/g y un contenido de componente extraible por agua no mayor de 15% en masa; y ademas, el contenido de agente (() que mejora la permeabilidad a liquidos en el intervalo de 0.01 a 5 partes en masa por 100 partes en masa de las particulas (() de resina que absorbe agua.
MXPA05008338 2003-02-10 2004-02-02 Agente particulado que absorbe agua. MX251840B (es)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
MXPA05008338A true MXPA05008338A (es) 2005-11-04
MX251840B MX251840B (es) 2007-11-26

Family

ID=32844344

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA05008338 MX251840B (es) 2003-02-10 2004-02-02 Agente particulado que absorbe agua.

Country Status (13)

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

Families Citing this family (197)

* Cited by examiner, † Cited by third party
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BRPI0407342A (pt) 2006-02-14
PL376637A1 (pl) 2006-01-09
BRPI0407342B1 (pt) 2014-02-04
CN100418586C (zh) 2008-09-17
TWI306864B (en) 2009-03-01
IN2005CH01828A (es) 2007-06-15
US20060204755A1 (en) 2006-09-14
US7638570B2 (en) 2009-12-29
DE602004005830D1 (de) 2007-05-24
JP2008142714A (ja) 2008-06-26
TW200427714A (en) 2004-12-16
KR100697944B1 (ko) 2007-03-20
CN100346843C (zh) 2007-11-07
KR20050107415A (ko) 2005-11-11
CN1747752A (zh) 2006-03-15
RU2299075C2 (ru) 2007-05-20
EP1594556A2 (en) 2005-11-16
WO2004069915A3 (en) 2004-12-09
RU2005128302A (ru) 2006-01-27
DE602004005830T2 (de) 2008-01-10
EP1594556B1 (en) 2007-04-11
BRPI0407342B8 (pt) 2021-06-22
CN1747751A (zh) 2006-03-15
MX251840B (es) 2007-11-26
WO2004069915A2 (en) 2004-08-19

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