BRPI0507428B8 - agente particulado para absorção de água, método de produção do mesmo e artigo absorvente - Google Patents
agente particulado para absorção de água, método de produção do mesmo e artigo absorventeInfo
- Publication number
- BRPI0507428B8 BRPI0507428B8 BRPI0507428A BRPI0507428A BRPI0507428B8 BR PI0507428 B8 BRPI0507428 B8 BR PI0507428B8 BR PI0507428 A BRPI0507428 A BR PI0507428A BR PI0507428 A BRPI0507428 A BR PI0507428A BR PI0507428 B8 BRPI0507428 B8 BR PI0507428B8
- Authority
- BR
- Brazil
- Prior art keywords
- water absorption
- agent
- particulate
- particulate agent
- ranges
- Prior art date
Links
Classifications
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- 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
- C08J3/243—Two or more independent types of crosslinking for one or more polymers
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/265—Synthetic macromolecular compounds modified or post-treated polymers
- B01J20/267—Cross-linked polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/50—Aspects relating to the use of sorbent or filter aid materials
- B01J2220/68—Superabsorbents
-
- 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
- C08J2300/10—Polymers characterised by the presence of specified groups, e.g. terminal or pendant functional groups
- C08J2300/102—Polymers characterised by the presence of specified groups, e.g. terminal or pendant functional groups containing halogen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Epidemiology (AREA)
- Dispersion Chemistry (AREA)
- Animal Behavior & Ethology (AREA)
- Hematology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
agente particulado para absorção de água, método de produção do mesmo e artigo absorvente. o agente particulado para absorção de água da presente invenção inclui uma resina para absorção de água, possuindo uma estrutura de reticulação, cuja superfície foi reticulada por adição de um agente de tratamento de superfície, onde: (i) um diâmetro de partícula médio em peso (d50) varia de 200 a 600 <109>m e 95 a 100% em peso do agente particulado para absorção de água cujo diâmetro de partícula varia de menos de 850 <109>m a não menos de 150 <109>m estão contidos, com relação a 100% em peso de todo o agente particulado para absorção de água, e (ii) um desvio logarítmico padrão <sym> de distribuição de tamanho de partícula varia de 0,25 a 0,45 e (iii) uma razão de capacidade de compressão definida pela equação que se segue varia de 0 a 18%, e (iv) uma tensão de superfície do líquido sobrenadante obtida em quatro minutos após dispersão de 0,5 g do agente particulado para absorção de água em 50 ml de salmoura fisiológica cuja temperatura é de 20°c sendo 55 mn/m ou mais, a razão de capacidade de compressão (%) = (p-a) / p x 100 onde p representa a densidade de volume afunilamento do agente particulado para absorção água e a representa uma densidade de volume solto do agente particulado para absorção de água.
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004029590 | 2004-02-05 | ||
JP2004-029590 | 2004-02-05 | ||
JP2004-100002 | 2004-03-30 | ||
JP2004100002 | 2004-03-30 | ||
JP2004-258284 | 2004-09-06 | ||
JP2004258284 | 2004-09-06 | ||
PCT/JP2005/001689 WO2005075070A1 (ja) | 2004-02-05 | 2005-02-04 | 粒子状吸水剤及びその製造方法並びに吸水性物品 |
Publications (3)
Publication Number | Publication Date |
---|---|
BRPI0507428A BRPI0507428A (pt) | 2007-06-26 |
BRPI0507428B1 BRPI0507428B1 (pt) | 2015-07-07 |
BRPI0507428B8 true BRPI0507428B8 (pt) | 2021-07-27 |
Family
ID=34841515
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0507428A BRPI0507428B8 (pt) | 2004-02-05 | 2005-02-04 | agente particulado para absorção de água, método de produção do mesmo e artigo absorvente |
Country Status (9)
Country | Link |
---|---|
US (2) | US7473739B2 (pt) |
EP (1) | EP1721663B1 (pt) |
JP (1) | JP4926474B2 (pt) |
KR (1) | KR100858387B1 (pt) |
AU (1) | AU2005210411B2 (pt) |
BR (1) | BRPI0507428B8 (pt) |
IN (1) | IN2006DE05101A (pt) |
MX (1) | MX268188B (pt) |
WO (1) | WO2005075070A1 (pt) |
Families Citing this family (121)
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US20050209352A1 (en) | 2005-09-22 |
AU2005210411A1 (en) | 2005-08-18 |
WO2005075070A1 (ja) | 2005-08-18 |
EP1721663A4 (en) | 2010-02-24 |
IN2006DE05101A (pt) | 2007-07-13 |
MXPA06008956A (es) | 2007-01-26 |
BRPI0507428B1 (pt) | 2015-07-07 |
AU2005210411B2 (en) | 2008-01-31 |
KR20070004669A (ko) | 2007-01-09 |
EP1721663A1 (en) | 2006-11-15 |
MX268188B (es) | 2009-07-09 |
KR100858387B1 (ko) | 2008-09-11 |
US7473739B2 (en) | 2009-01-06 |
EP1721663B1 (en) | 2016-12-14 |
BRPI0507428A (pt) | 2007-06-26 |
US20080269372A1 (en) | 2008-10-30 |
JPWO2005075070A1 (ja) | 2007-10-11 |
US7582705B2 (en) | 2009-09-01 |
JP4926474B2 (ja) | 2012-05-09 |
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