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
Application number
ES95104872T
Other languages
English (en)
Inventor
Helmut Klotzsche
Gustav Remmel
Ulrich Riegel
Uwe Stuven
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF SE
Original Assignee
BASF SE
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6516186&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2141271(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by BASF SE filed Critical BASF SE
Application granted granted Critical
Publication of ES2141271T3 publication Critical patent/ES2141271T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Hematology (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Dispersion 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.
ES95104872T 1994-04-22 1995-04-01 Polimeros hidrofilos pulverulentos pobres en polvo. Expired - Lifetime ES2141271T3 (es)

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) FI951890L (es)
MX (1) MX194074B (es)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994022940A1 (en) * 1993-03-29 1994-10-13 The Dow Chemical Company Absorbent polymer having reduced dusting tendencies
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
WO2005061014A1 (de) 2003-12-19 2005-07-07 Basf Aktiengesellschaft Quellbare hydrogelbildende polymere mit geringem feinstaubanteil
DE102004015686A1 (de) 2004-03-29 2005-10-27 Basf Ag Quellbare hydrogelbildende Polymere mit hoher Permeabilität
CN101094696A (zh) * 2004-12-30 2007-12-26 巴斯福股份公司 具有减少量的细尺寸粒子的超吸收性聚合物粒子及其生产方法
US7976724B2 (en) * 2006-06-09 2011-07-12 Benetech, Inc. Method of preventing emanation of dust from a coal pile or railcar
JP5784829B2 (ja) * 2011-06-30 2015-09-24 ザ プロクター アンド ギャンブルカンパニー 油捕捉剤成分を含む吸収性構造体
US9017767B2 (en) 2012-06-13 2015-04-28 Benetech, Inc. Method of suppressing dust in piles and railcars using plasticized cellulose ethers
KR102226473B1 (ko) 2012-08-27 2021-03-12 가부시키가이샤 닛폰 쇼쿠바이 입자상 흡수제 및 그의 제조 방법
US9267063B2 (en) 2012-11-19 2016-02-23 Benetech, Inc. Dust suppression formulas using plasticized cellulose ethers
CN113301989B (zh) 2019-01-11 2024-06-14 株式会社日本触媒 吸水剂和吸水剂的制造方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
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
WO1994022940A1 (en) * 1993-03-29 1994-10-13 The Dow Chemical Company Absorbent polymer having reduced dusting tendencies

Also Published As

Publication number Publication date
DE59507548D1 (de) 2000-02-10
EP0679678B1 (de) 2000-01-05
EP0679678A2 (de) 1995-11-02
MX194074B (es) 1999-11-15
FI951890A7 (fi) 1995-10-23
FI951890A0 (fi) 1995-04-20
CA2147545A1 (en) 1995-10-23
FI951890L (fi) 1995-10-23
US5681878A (en) 1997-10-28
DE4414117A1 (de) 1995-10-26
EP0679678A3 (de) 1995-12-27

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