BR0104140A - Resina absorvente à água e seu processo de produção - Google Patents
Resina absorvente à água e seu processo de produçãoInfo
- Publication number
- BR0104140A BR0104140A BR0104140-1A BR0104140A BR0104140A BR 0104140 A BR0104140 A BR 0104140A BR 0104140 A BR0104140 A BR 0104140A BR 0104140 A BR0104140 A BR 0104140A
- Authority
- BR
- Brazil
- Prior art keywords
- water
- absorbent resin
- production process
- resin
- charge
- 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
- C08J3/12—Powdering or granulating
- C08J3/122—Pulverisation by spraying
-
- 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
- C08J3/24—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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S524/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S524/916—Hydrogel compositions
-
- 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
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Epidemiology (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Dispersion Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Hematology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
Patente de Invenção: "RESINA ABSORVENTE A áGUA E SEU PROCESSO DE PRODUçãO". Em um processo de produção para uma resina absorvente à água, compreendendo as etapas de: misturar um material líquido e uma resina absorvente à água; e aquecer a mistura resultante para produzir uma resina absorvente à água modificada, a presente invenção é para fornecer: um método para uniforme e eficazmente tratar uma resina absorvente à água favoravelmente no ponto de vista industrial, como um resultado, uma resina absorvente à água com bom equilíbrio tendo várias propriedades excelentes, tais como capacidade de absorção sem uma carga, capacidade de absorção sob uma carga e capacidade de absorção de camada simples sob uma carga em contato com um líquido aquoso. O processo de produção compreende a etapa de misturar por pulverização uma resina absorvente à água (A) e um material líquido (B) com um aparelho de misturar equipado com um bico de pulverização (C), em que o material líquido (B) é pulverizado do bico de pulverização (C) e seu padrão de pulverização é uma forma de cone circular e oco ou uma forma de lentes convexas duplas e cone elíptico. Além disso, o processo de produção compreende a etapa de tratar a calor uma resina absorvente à água sob uma atmosfera tendo um ponto de condensação não superior a 60<198>C e uma temperatura não inferior a 90<198>C, em que a resina absorvente à água é obtida após a etapa de secagem seguindo por uma etapa de pulverização.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000285658 | 2000-09-20 | ||
JP2000336813 | 2000-11-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
BR0104140A true BR0104140A (pt) | 2002-05-07 |
BR0104140B1 BR0104140B1 (pt) | 2011-05-17 |
Family
ID=26600356
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0104140-1A BR0104140B1 (pt) | 2000-09-20 | 2001-09-19 | resina absorvente à água, seu processo de produção e material higiênico compreendendo a referida resina. |
Country Status (6)
Country | Link |
---|---|
US (2) | US6720389B2 (pt) |
EP (2) | EP1191051B1 (pt) |
JP (1) | JP5430620B2 (pt) |
CN (3) | CN1305938C (pt) |
BR (1) | BR0104140B1 (pt) |
DE (1) | DE60143377D1 (pt) |
Families Citing this family (116)
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-
2001
- 2001-09-05 US US09/945,812 patent/US6720389B2/en not_active Expired - Lifetime
- 2001-09-06 DE DE60143377T patent/DE60143377D1/de not_active Expired - Lifetime
- 2001-09-06 EP EP01121378A patent/EP1191051B1/en not_active Expired - Lifetime
- 2001-09-06 EP EP10009389.7A patent/EP2272898B1/en not_active Expired - Lifetime
- 2001-09-19 BR BRPI0104140-1A patent/BR0104140B1/pt not_active IP Right Cessation
- 2001-09-20 CN CNB2005100040705A patent/CN1305938C/zh not_active Expired - Lifetime
- 2001-09-20 CN CNB011406976A patent/CN1221594C/zh not_active Expired - Lifetime
- 2001-09-20 CN CNB2003101047007A patent/CN100497447C/zh not_active Expired - Lifetime
-
2004
- 2004-01-27 US US10/764,535 patent/US7183456B2/en not_active Expired - Lifetime
-
2011
- 2011-08-03 JP JP2011169765A patent/JP5430620B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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EP1191051A2 (en) | 2002-03-27 |
CN100497447C (zh) | 2009-06-10 |
EP1191051B1 (en) | 2010-11-03 |
CN1644607A (zh) | 2005-07-27 |
CN1515604A (zh) | 2004-07-28 |
JP2011214016A (ja) | 2011-10-27 |
US6720389B2 (en) | 2004-04-13 |
EP2272898B1 (en) | 2014-11-26 |
EP2272898A1 (en) | 2011-01-12 |
CN1221594C (zh) | 2005-10-05 |
CN1346839A (zh) | 2002-05-01 |
US20040186244A1 (en) | 2004-09-23 |
JP5430620B2 (ja) | 2014-03-05 |
EP1191051A3 (en) | 2002-09-25 |
CN1305938C (zh) | 2007-03-21 |
BR0104140B1 (pt) | 2011-05-17 |
US20020061978A1 (en) | 2002-05-23 |
DE60143377D1 (de) | 2010-12-16 |
US7183456B2 (en) | 2007-02-27 |
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