BRPI0407342B8 - agente absorvente de água - Google Patents
agente absorvente de águaInfo
- 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
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>).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-032698 | 2003-02-10 | ||
JP2003032698 | 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 (194)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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US7803880B2 (en) | 2003-09-19 | 2010-09-28 | Nippon Shokubai Co., Ltd. | Water absorbent and producing method of same |
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DE102004051242A1 (de) | 2004-10-20 | 2006-05-04 | Basf Ag | Feinteilige wasserabsorbierende Polymerpartikel mit hoher Flüssigkeitstransport- und Absorptionsleistung |
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EP1837348B9 (en) | 2006-03-24 | 2020-01-08 | Nippon Shokubai Co.,Ltd. | Water-absorbing resin and method for manufacturing the same |
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EP2010316B1 (en) | 2006-03-27 | 2021-10-13 | Nippon Shokubai Co.,Ltd. | Water absorbing agent and water absorbent core using the agent |
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-
2004
- 2004-02-02 US US10/544,337 patent/US7638570B2/en active Active
- 2004-02-02 MX MXPA05008338 patent/MX251840B/es active IP Right Grant
- 2004-02-02 DE DE602004005830T patent/DE602004005830T2/de not_active Expired - Lifetime
- 2004-02-02 WO PCT/JP2004/001007 patent/WO2004069915A2/en active IP Right Grant
- 2004-02-02 KR KR1020057014568A patent/KR100697944B1/ko active IP Right Grant
- 2004-02-02 RU RU2005128302/15A patent/RU2299075C2/ru active
- 2004-02-02 CN CNB2004800038889A patent/CN100346843C/zh not_active Expired - Lifetime
- 2004-02-02 BR BRPI0407342A patent/BRPI0407342B8/pt active IP Right Grant
- 2004-02-02 TW TW093102314A patent/TWI306864B/zh not_active IP Right Cessation
- 2004-02-02 EP EP04707310A patent/EP1594556B1/en not_active Revoked
- 2004-02-02 PL PL376637A patent/PL215419B1/pl unknown
- 2004-02-06 CN CNB2004800038728A patent/CN100418586C/zh not_active Expired - Lifetime
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Also Published As
Publication number | Publication date |
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DE602004005830D1 (de) | 2007-05-24 |
TW200427714A (en) | 2004-12-16 |
WO2004069915A2 (en) | 2004-08-19 |
PL215419B1 (pl) | 2013-12-31 |
US7638570B2 (en) | 2009-12-29 |
CN100418586C (zh) | 2008-09-17 |
EP1594556B1 (en) | 2007-04-11 |
CN1747751A (zh) | 2006-03-15 |
DE602004005830T2 (de) | 2008-01-10 |
KR100697944B1 (ko) | 2007-03-20 |
PL376637A1 (pl) | 2006-01-09 |
MXPA05008338A (es) | 2005-11-04 |
TWI306864B (en) | 2009-03-01 |
EP1594556A2 (en) | 2005-11-16 |
IN2005CH01828A (pt) | 2007-06-15 |
MX251840B (es) | 2007-11-26 |
US20060204755A1 (en) | 2006-09-14 |
WO2004069915A3 (en) | 2004-12-09 |
KR20050107415A (ko) | 2005-11-11 |
RU2005128302A (ru) | 2006-01-27 |
BRPI0407342B1 (pt) | 2014-02-04 |
CN100346843C (zh) | 2007-11-07 |
RU2299075C2 (ru) | 2007-05-20 |
JP2008142714A (ja) | 2008-06-26 |
CN1747752A (zh) | 2006-03-15 |
BRPI0407342A (pt) | 2006-02-14 |
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