ES2161072T3 - Composiciones superabsorbentes y procesos para su preparacion. - Google Patents
Composiciones superabsorbentes y procesos para su preparacion.Info
- Publication number
- ES2161072T3 ES2161072T3 ES98960314T ES98960314T ES2161072T3 ES 2161072 T3 ES2161072 T3 ES 2161072T3 ES 98960314 T ES98960314 T ES 98960314T ES 98960314 T ES98960314 T ES 98960314T ES 2161072 T3 ES2161072 T3 ES 2161072T3
- Authority
- ES
- Spain
- Prior art keywords
- processes
- preparation
- superabsorbent compositions
- partially
- superabsorbent
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1092—Polysuccinimides
-
- 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
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249981—Plural void-containing components
-
- 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
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2933—Coated or with bond, impregnation or core
- Y10T428/2935—Discontinuous or tubular or cellular core
-
- 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
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2933—Coated or with bond, impregnation or core
- Y10T428/2938—Coating on discrete and individual rods, strands or filaments
-
- 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
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2933—Coated or with bond, impregnation or core
- Y10T428/2964—Artificial fiber or filament
- Y10T428/2965—Cellulosic
-
- 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
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2933—Coated or with bond, impregnation or core
- Y10T428/2964—Artificial fiber or filament
- Y10T428/2967—Synthetic resin or polymer
- Y10T428/2969—Polyamide, polyimide or polyester
-
- 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
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2933—Coated or with bond, impregnation or core
- Y10T428/2971—Impregnation
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Epidemiology (AREA)
- General Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Hematology (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Medicinal Chemistry (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Multicomponent Fibers (AREA)
Abstract
Un proceso para preparar una composición de poliamida superabsorbente que comprende: i) poner en contacto una pasta de celulosa deshidratada con una solución de una composición de polisuccinimida (PSI) reticulable, no reticulada, parcialmente acidificada, hidrolizada, plastificada internamente para producir una composición de pasta de celulosa al menos parcialmente recubierta, y ii) secar dicha composición de pasta de celulosa al menos parcialmente recubierta en condiciones de reticulación para reticular una porción de los grupos aspartato no reticulados en dicha composición de PSI y formar la composición de poliamida superabsorbente.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US6567097P | 1997-11-18 | 1997-11-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2161072T3 true ES2161072T3 (es) | 2001-11-16 |
Family
ID=22064326
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES98960314T Expired - Lifetime ES2161072T3 (es) | 1997-11-18 | 1998-11-18 | Composiciones superabsorbentes y procesos para su preparacion. |
Country Status (8)
Country | Link |
---|---|
US (1) | US6162541A (es) |
EP (1) | EP1030873B1 (es) |
AT (1) | ATE206147T1 (es) |
AU (1) | AU1594299A (es) |
DE (1) | DE69801843T2 (es) |
DK (1) | DK1030873T3 (es) |
ES (1) | ES2161072T3 (es) |
WO (1) | WO1999025754A1 (es) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030048084A (ko) * | 2000-12-07 | 2003-06-18 | 웨이어해유저 컴파니 | 저장층에 대한 개선된 액체 전달을 하는 분배층 |
US7074301B2 (en) * | 2002-06-11 | 2006-07-11 | Rayonier Products And Financial Services Company | Chemically cross-linked cellulose fiber and method of making same |
US7338625B2 (en) | 2002-09-18 | 2008-03-04 | Kimberly-Clark Worldwide, Inc. | Methods of restoring elasticity after stiffening treatments |
US20040054342A1 (en) * | 2002-09-18 | 2004-03-18 | Newbill Vincent B. | Absorbent articles having a superabsorbent retention web |
US7355091B2 (en) * | 2002-09-18 | 2008-04-08 | Kimberly-Clark Worldwide, Inc. | Elastomeric nonwoven with attached superabsorbent polymer |
US20040204554A1 (en) * | 2003-04-09 | 2004-10-14 | Ko Young Chan | Process for making a multifunctional superabsorbent polymer |
US7696401B2 (en) * | 2003-07-31 | 2010-04-13 | Evonik Stockhausen, Inc. | Absorbent materials and absorbent articles incorporating such absorbent materials |
US20070270070A1 (en) * | 2006-05-19 | 2007-11-22 | Hamed Othman A | Chemically Stiffened Fibers In Sheet Form |
US20080081165A1 (en) * | 2006-10-02 | 2008-04-03 | Weyerhaeuser Co. | Fibrous superabsorbent composite containing cellulose |
US7625463B2 (en) | 2006-10-02 | 2009-12-01 | Weyerhaeuser Nr Company | Methods for the preparation of fibrous superabsorbent composite containing cellulose |
US20080082065A1 (en) * | 2006-10-02 | 2008-04-03 | Weyerhaeuser Co. | Mixed polymer superabsorbent fibers containing cellulose |
US7785710B2 (en) | 2006-10-02 | 2010-08-31 | Weyerhaeuser Nr Company | Superabsorbent particles containing carboxyalkyl cellulose and temporary metal crosslinks |
US7717995B2 (en) * | 2006-10-02 | 2010-05-18 | Weyerhaeuser Nr Company | Methods for the preparation of mixed polymer superabsorbent fibers containing cellulose |
US20080078514A1 (en) * | 2006-10-02 | 2008-04-03 | Weyerhaeuser Co. | Methods for the preparation of cellulose fibers having superabsorbent particles adhered thereto |
US7645806B2 (en) * | 2006-10-02 | 2010-01-12 | Weyerhaeuser Nr Company | Methods for the preparation of superabsorbent particles containing carboxyalkyl cellulose |
US20080079188A1 (en) * | 2006-10-02 | 2008-04-03 | Weyerhaeuser Co. | Methods for the preparation of mixed polymer superabsorbent fibers |
US20080318772A1 (en) * | 2007-06-25 | 2008-12-25 | Weyerhaeuser Co. | Mixed polymer composite fiber and cellulose fiber |
US7591891B2 (en) * | 2007-06-25 | 2009-09-22 | Weyerhaeuser Nr Company | Fibrous blend and methods of preparation |
US7749317B2 (en) | 2007-06-25 | 2010-07-06 | Weyerhaeuser Nr Company | Fibrous blend and method of making |
US8084391B2 (en) * | 2008-06-30 | 2011-12-27 | Weyerhaeuser Nr Company | Fibers having biodegradable superabsorbent particles attached thereto |
US7959762B2 (en) * | 2008-06-30 | 2011-06-14 | Weyerhaeuser Nr Company | Method for making biodegradable superabsorbent particles |
US7833384B2 (en) * | 2008-06-30 | 2010-11-16 | Weyerhaeuser Nr Company | Method for making fiber having biodegradable superabsorbent particles attached thereto |
US8101543B2 (en) | 2008-06-30 | 2012-01-24 | Weyerhaeuser Nr Company | Biodegradable superabsorbent particles |
US8641869B2 (en) * | 2008-06-30 | 2014-02-04 | Weyerhaeuser Nr Company | Method for making biodegradable superabsorbent particles |
US20090326180A1 (en) * | 2008-06-30 | 2009-12-31 | Weyerhaeuser Co. | Biodegradable Superabsorbent Particles Containing Cellulose Fiber |
US20090325797A1 (en) * | 2008-06-30 | 2009-12-31 | Weyerhaeuser Co. | Biodegradable Superabsorbent Particles |
EP2373352B1 (en) * | 2008-12-19 | 2013-11-06 | Sca Hygiene Products AB | Superabsorbent polymer composite comprising a superabsorbent polymer and cellulosic nanofibrils |
US9302248B2 (en) | 2013-04-10 | 2016-04-05 | Evonik Corporation | Particulate superabsorbent polymer composition having improved stability |
US9375507B2 (en) | 2013-04-10 | 2016-06-28 | Evonik Corporation | Particulate superabsorbent polymer composition having improved stability |
EP4106513B1 (en) | 2020-02-20 | 2023-12-20 | Polygreen Ltd. | Multi-layer absorbent product and process for preparing absorbent layer |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5461085A (en) * | 1993-12-17 | 1995-10-24 | Mitsui Toatsu Chemicals, Incorporated | Superabsorbent polymer and process for producing same |
US5612384A (en) * | 1994-09-13 | 1997-03-18 | Donlar Corporation | Superabsorbing polymeric networks |
US5773564A (en) * | 1996-02-02 | 1998-06-30 | University Of South Alabama | Absorbent gelling materials of crosslinked polyaspartate |
US5889072A (en) * | 1997-02-24 | 1999-03-30 | Solutia Inc. | Process for preparing superabsorbing crosslinked polyaspartate salt |
US6027804A (en) * | 1997-11-18 | 2000-02-22 | Solutia Inc. | Superabsorbing compositions and processes for preparing same |
-
1998
- 1998-11-16 US US09/192,386 patent/US6162541A/en not_active Expired - Fee Related
- 1998-11-18 AT AT98960314T patent/ATE206147T1/de active
- 1998-11-18 DE DE69801843T patent/DE69801843T2/de not_active Expired - Lifetime
- 1998-11-18 WO PCT/US1998/024776 patent/WO1999025754A1/en active IP Right Grant
- 1998-11-18 DK DK98960314T patent/DK1030873T3/da active
- 1998-11-18 EP EP98960314A patent/EP1030873B1/en not_active Expired - Lifetime
- 1998-11-18 AU AU15942/99A patent/AU1594299A/en not_active Abandoned
- 1998-11-18 ES ES98960314T patent/ES2161072T3/es not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1030873A1 (en) | 2000-08-30 |
EP1030873B1 (en) | 2001-09-26 |
US6162541A (en) | 2000-12-19 |
WO1999025754A1 (en) | 1999-05-27 |
AU1594299A (en) | 1999-06-07 |
DK1030873T3 (da) | 2001-12-03 |
DE69801843T2 (de) | 2002-04-11 |
ATE206147T1 (de) | 2001-10-15 |
DE69801843D1 (de) | 2001-10-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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