BRPI0507563A - agente de absorção de água particulado possuindo forma pulverizada de modo irregular, método para produção do mesmo e artigo absorvente - Google Patents

agente de absorção de água particulado possuindo forma pulverizada de modo irregular, método para produção do mesmo e artigo absorvente

Info

Publication number
BRPI0507563A
BRPI0507563A BRPI0507563-7A BRPI0507563A BRPI0507563A BR PI0507563 A BRPI0507563 A BR PI0507563A BR PI0507563 A BRPI0507563 A BR PI0507563A BR PI0507563 A BRPI0507563 A BR PI0507563A
Authority
BR
Brazil
Prior art keywords
absorbing agent
water absorbing
particulate water
absorbent article
water absorption
Prior art date
Application number
BRPI0507563-7A
Other languages
English (en)
Inventor
Kunihiko Ishizaki
Takahiro Kitano
Yoshifumi Adachi
Hiroko Ueda
Katsuyuki Wada
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=34964037&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BRPI0507563(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 BRPI0507563A publication Critical patent/BRPI0507563A/pt
Publication of BRPI0507563B1 publication Critical patent/BRPI0507563B1/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
    • C08J3/12—Powdering or granulating
    • 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
    • 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
    • C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
    • C08J3/245—Differential crosslinking of one polymer with one crosslinking type, e.g. surface crosslinking
    • 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
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249924—Noninterengaged fiber-containing paper-free web or sheet which is not of specified porosity
    • 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
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/254—Polymeric or resinous material
    • 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.]
    • 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.]
    • Y10T428/2991—Coated
    • 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.]
    • Y10T428/2991—Coated
    • Y10T428/2998—Coated including synthetic resin or polymer
    • 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
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/2344—Coating or impregnation is anti-slip or friction-increasing other than specified as an abrasive

Landscapes

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

Abstract

AGENTE DE ABSORçãO DE áGUA PARTICULADO POSSUINDO FORMA PULVERIZADA DE MODO IRREGULAR, MéTODO PARA PRODUçãO DO MESMO E ARTIGO ABSORVENTE A presente invenção fornece um agente de absorção de água particulado para um substrato absoevente do tipo fino adequado para uso real. um agente de absorção de água particulado possuindo forma pulverizada de modo irregular, cracterizado por compreender, uma resina de absorção de água reticulada de superfície obtida pela polimerização por reticulação de um monómero insaturado com um grupo ácido e/ou sais do mesmo, cujo agente de absorção contém partículas aglomeradas no mesmo e ainda satisfaz (1) capacidade de retenção centrífuga (CRC) em uma solução salina fisiológica de não menos que 32 g/g, (ii) tamanho de partícula médio ponderal (D50) de 200 <109>m a 400 <109>m. e (iii) partículas menores que 600 <109>m e não menores que 150 <109>m em 95% a 100% em peso. Ao se usar o agente de absorção de água particulado, pode-se obter artigos absorventes que possuem pouca superfície enrugada após absorção de água e excelente propriedade de permeação de líquido.
BRPI0507563-7A 2004-03-29 2005-03-29 Agente de absorção de água particulado possuindo forma pulverizada de modo irregular, método para produção do mesmo e artigo absorvente BRPI0507563B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2004096083 2004-03-29
JP2004-096083 2004-03-29
JP2004211856 2004-07-20
JP2004-211856 2004-07-20
PCT/JP2005/006551 WO2005092955A1 (en) 2004-03-29 2005-03-29 Particulate water absorbing agent with irregularly pulverized shape

Publications (2)

Publication Number Publication Date
BRPI0507563A true BRPI0507563A (pt) 2007-07-03
BRPI0507563B1 BRPI0507563B1 (pt) 2021-11-30

Family

ID=34964037

Family Applications (2)

Application Number Title Priority Date Filing Date
BRPI0509064-4A BRPI0509064B1 (pt) 2004-03-29 2005-03-29 Agente de absorção d'água particulado e artigo de absorção
BRPI0507563-7A BRPI0507563B1 (pt) 2004-03-29 2005-03-29 Agente de absorção de água particulado possuindo forma pulverizada de modo irregular, método para produção do mesmo e artigo absorvente

Family Applications Before (1)

Application Number Title Priority Date Filing Date
BRPI0509064-4A BRPI0509064B1 (pt) 2004-03-29 2005-03-29 Agente de absorção d'água particulado e artigo de absorção

Country Status (11)

Country Link
US (2) US7473470B2 (pt)
EP (2) EP1730219B1 (pt)
JP (1) JP5706351B2 (pt)
KR (2) KR100847553B1 (pt)
AU (2) AU2005226425B2 (pt)
BR (2) BRPI0509064B1 (pt)
DE (1) DE602005025460D1 (pt)
MX (1) MXPA06003583A (pt)
RU (2) RU2338754C2 (pt)
TW (2) TW200536871A (pt)
WO (2) WO2005092955A1 (pt)

Families Citing this family (103)

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WO2005092956A1 (en) 2005-10-06
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