ES2141271T3 - Polimeros hidrofilos pulverulentos pobres en polvo. - Google Patents
Polimeros hidrofilos pulverulentos pobres en polvo.Info
- Publication number
- ES2141271T3 ES2141271T3 ES95104872T ES95104872T ES2141271T3 ES 2141271 T3 ES2141271 T3 ES 2141271T3 ES 95104872 T ES95104872 T ES 95104872T ES 95104872 T ES95104872 T ES 95104872T ES 2141271 T3 ES2141271 T3 ES 2141271T3
- Authority
- ES
- Spain
- Prior art keywords
- powder
- hydrophily
- polymers
- poor
- water
- 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
- 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
- A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
- A61L15/26—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Public Health (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Hematology (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Dispersion Chemistry (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Analytical Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Polyethers (AREA)
Abstract
LA PRESENTE INVENCION SE REFIERE A (CO)POLIMERO HIDROFILO HINCHABLE CON AGUA, PULVERIFORME, QUE PARA LA REDUCCION DEL CONTENIDO EN POLVO CONTIENE MATERIAL AUXILIAR A PARTIR DE LA SERIE DE SILICONA Y/O OTRAS SUSTANCIAS AUXILIARES, ESTAS ULTIMAS EN UNA CANTIDAD TOTAL DE AL MENOS 1 % EN PESO, POR EJEMPLO POLIGLICOLES O ETER POLIGLICOL, DONDE LA PRESION DE VAPOR DE LAS SUSTANCIAS AUXILIARES INDIVIDUALES A 20 TO 0,1 MBAR Y UN PUNTO DE FUSION MAXIMO DE 100 SU ELABORACION Y SU UTILIZACION PARA ABSORCION DE AGUA Y SOLUCIONES ACUOSAS.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4414117A DE4414117A1 (de) | 1994-04-22 | 1994-04-22 | Staubarme pulverförmige hydrophile Polymere |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2141271T3 true ES2141271T3 (es) | 2000-03-16 |
Family
ID=6516186
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES95104872T Expired - Lifetime ES2141271T3 (es) | 1994-04-22 | 1995-04-01 | Polimeros hidrofilos pulverulentos pobres en polvo. |
Country Status (7)
Country | Link |
---|---|
US (1) | US5681878A (es) |
EP (1) | EP0679678B1 (es) |
CA (1) | CA2147545A1 (es) |
DE (2) | DE4414117A1 (es) |
ES (1) | ES2141271T3 (es) |
FI (1) | FI951890A (es) |
MX (1) | MX194074B (es) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08508050A (ja) * | 1993-03-29 | 1996-08-27 | ザ・ダウ・ケミカル・カンパニー | ダスチング傾向の少ない吸収性ポリマー |
DE19524724A1 (de) * | 1995-07-07 | 1997-01-09 | Hoechst Ag | Hydrophile, hochquellfähige Hydrogele |
US6090875A (en) * | 1996-02-16 | 2000-07-18 | The Dow Chemical Company | Dust control of absorbent polymers |
US5728742A (en) * | 1996-04-04 | 1998-03-17 | The Dow Chemical Company | Absorbent polymers having a reduced caking tendency |
DE19716657A1 (de) | 1997-04-21 | 1998-10-22 | Stockhausen Chem Fab Gmbh | Superabsorber mit kontrollierter Absorptionsgeschwindigkeit |
JP2003289870A (ja) * | 2002-04-02 | 2003-10-14 | Inst Of Physical & Chemical Res | 新規ポリペプチド及びそれをコードする核酸 |
JP5015603B2 (ja) | 2003-12-19 | 2012-08-29 | ビーエーエスエフ ソシエタス・ヨーロピア | 僅かな微細ダスト含量を有する膨潤可能なヒドロゲル形成性ポリマー |
DE102004015686A1 (de) | 2004-03-29 | 2005-10-27 | Basf Ag | Quellbare hydrogelbildende Polymere mit hoher Permeabilität |
ATE438419T1 (de) * | 2004-12-30 | 2009-08-15 | Basf Se | Supersaugfähige polymerteilchen mit einer verringerten menge an feinen teilchen und herstellungsverfahren dafür |
US7976724B2 (en) * | 2006-06-09 | 2011-07-12 | Benetech, Inc. | Method of preventing emanation of dust from a coal pile or railcar |
EP2726116B1 (en) * | 2011-06-30 | 2015-04-15 | The Procter and Gamble Company | Absorbent structure comprising an oil-scavenger component |
US9017767B2 (en) | 2012-06-13 | 2015-04-28 | Benetech, Inc. | Method of suppressing dust in piles and railcars using plasticized cellulose ethers |
JP6096199B2 (ja) | 2012-08-27 | 2017-03-15 | 株式会社日本触媒 | 粒子状吸水剤及びその製造方法 |
US9267063B2 (en) | 2012-11-19 | 2016-02-23 | Benetech, Inc. | Dust suppression formulas using plasticized cellulose ethers |
EP3909674A4 (en) | 2019-01-11 | 2022-09-28 | Nippon Shokubai Co., Ltd. | ABSORBENT AGENT, AND METHOD OF MAKING THE SAME |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1066445A (en) * | 1975-02-18 | 1979-11-13 | Karl L. Krumel | Low-dusting, free-flowing acrylamide polymer composition |
DE3221947A1 (de) * | 1982-06-11 | 1983-12-22 | Cassella Ag, 6000 Frankfurt | Verfahren zur herstellung klebfreier oder klebarmer partikel von hydrogelpolymerisaten |
DE3535136A1 (de) * | 1985-10-02 | 1987-04-09 | Bayer Ag | Diorganosiloxanpolymerisatpulver |
JPH0643500B2 (ja) * | 1985-12-04 | 1994-06-08 | 住友精化株式会社 | 吸水性樹脂の造粒方法 |
JP2888852B2 (ja) * | 1989-03-13 | 1999-05-10 | 三菱化学株式会社 | 粉体高吸水性ポリマー組成物 |
JPH0710922B2 (ja) * | 1989-04-26 | 1995-02-08 | 日本合成化学工業株式会社 | 高吸水性樹脂の造粒方法 |
GB9107952D0 (en) * | 1991-04-15 | 1991-05-29 | Dow Rheinmuenster | Surface crosslinked and surfactant coated absorbent resin particles and method of preparation |
JPH08508050A (ja) * | 1993-03-29 | 1996-08-27 | ザ・ダウ・ケミカル・カンパニー | ダスチング傾向の少ない吸収性ポリマー |
-
1994
- 1994-04-22 DE DE4414117A patent/DE4414117A1/de not_active Withdrawn
-
1995
- 1995-04-01 EP EP95104872A patent/EP0679678B1/de not_active Revoked
- 1995-04-01 ES ES95104872T patent/ES2141271T3/es not_active Expired - Lifetime
- 1995-04-01 DE DE59507548T patent/DE59507548D1/de not_active Expired - Fee Related
- 1995-04-19 US US08/424,658 patent/US5681878A/en not_active Expired - Lifetime
- 1995-04-20 FI FI951890A patent/FI951890A/fi unknown
- 1995-04-21 CA CA002147545A patent/CA2147545A1/en not_active Abandoned
- 1995-04-21 MX MX9501884A patent/MX194074B/es unknown
Also Published As
Publication number | Publication date |
---|---|
EP0679678A2 (de) | 1995-11-02 |
US5681878A (en) | 1997-10-28 |
MX194074B (es) | 1999-11-15 |
DE59507548D1 (de) | 2000-02-10 |
DE4414117A1 (de) | 1995-10-26 |
EP0679678A3 (de) | 1995-12-27 |
FI951890A (fi) | 1995-10-23 |
FI951890A0 (fi) | 1995-04-20 |
CA2147545A1 (en) | 1995-10-23 |
EP0679678B1 (de) | 2000-01-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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