ES2142623T3 - Polimeros de hidrogel higroscopicos, celulares, reticulados. - Google Patents

Polimeros de hidrogel higroscopicos, celulares, reticulados.

Info

Publication number
ES2142623T3
ES2142623T3 ES96934813T ES96934813T ES2142623T3 ES 2142623 T3 ES2142623 T3 ES 2142623T3 ES 96934813 T ES96934813 T ES 96934813T ES 96934813 T ES96934813 T ES 96934813T ES 2142623 T3 ES2142623 T3 ES 2142623T3
Authority
ES
Spain
Prior art keywords
cellular
polymerization
hygroscopic
agents
foaming
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
ES96934813T
Other languages
English (en)
Inventor
Hans-Joachim Hahnle
Manfred Walter
Jurgen Tropsch
Gunnar Schornick
Thomas Anstock
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
Application filed by BASF SE filed Critical BASF SE
Application granted granted Critical
Publication of ES2142623T3 publication Critical patent/ES2142623T3/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
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/04—Acids; Metal salts or ammonium salts thereof
    • C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts 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
    • A61L15/425—Porous materials, e.g. foams or sponges
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Hematology (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Materials For Medical Uses (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Paints Or Removers (AREA)

Abstract

POLIMEROS CELULARES HIGROSCOPICOS, ELABORADOS MEDIANTE: (I) ESPUMADO DE UNA MEZCLA ACUOSA POLIMERIZABLE QUE CONTIENE, A) GRUPOS ACIDO CON MONOMEROS INSATURADOS MONOETILENICAMENTE QUE SE HAN NEUTRALIZADO HASTA AL MENOS 50 MOL %, (B) OPCIONALMENTE, OTROS MONOMEROS INSATURADOS MONOETILENICAMENTE, (C) AGENTES RETICULANTES, (D) INICIADORES, (E) EL 0,1 AL 20 % DEL PESO ESTA FORMADO POR AL MENOS UN SURFACTANTE, (F) OPCIONALMENTE AL MENOS UN SOLUBILIZANTE Y, (G) OPCIONALMENTE UN ESPESANTE, ESTABILIZADORES DE LA ESPUMA, AGENTES DE CONTROL DE LA POLIMERIZACION, AGENTES DE RELLENO Y/O COMPUESTOS DE NUCLEACION CELULAR, EL ESPUMADO SE REALIZA DISPERSANDO EN LA MEZCLA BURBUJAS FINAS DE UN GAS INERTE PARA LOS RADICALES; (II) POLIMERIZACION DE LA MEZCLA ESPUMOSA MEDIANTE LA FORMACION DE UN HIDROGEL CELULAR Y AJUSTE DEL CONTENIDO DE AGUA DEL POLIMERIZADO CELULAR A UN 1-45 % DEL PESO. SE DESCRIBEN TAMBIEN METODOS PARA PRODUCIR ESTOS MATERIALES POLIMERICOS Y SU USO EN ARTICULOS DE HIGIENE PERSONAL QUE SE EMPLEAN PARA ABSORBER LIQUIDOS CORPORALES Y EN LOS VENDAJES PARA CUBRIR HERIDAS.
ES96934813T 1995-11-03 1996-10-25 Polimeros de hidrogel higroscopicos, celulares, reticulados. Expired - Lifetime ES2142623T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19540951A DE19540951A1 (de) 1995-11-03 1995-11-03 Wasserabsorbierende, schaumförmige, vernetzte Polymerisate, Verfahren zu ihrer Herstellung und ihre Verwendung

Publications (1)

Publication Number Publication Date
ES2142623T3 true ES2142623T3 (es) 2000-04-16

Family

ID=7776509

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96934813T Expired - Lifetime ES2142623T3 (es) 1995-11-03 1996-10-25 Polimeros de hidrogel higroscopicos, celulares, reticulados.

Country Status (6)

Country Link
US (1) US6136873A (es)
EP (1) EP0858478B1 (es)
JP (1) JP3976785B2 (es)
DE (2) DE19540951A1 (es)
ES (1) ES2142623T3 (es)
WO (1) WO1997017397A1 (es)

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EP0858478B1 (de) 2000-01-19
JP3976785B2 (ja) 2007-09-19
US6136873A (en) 2000-10-24
DE19540951A1 (de) 1997-05-07
WO1997017397A1 (de) 1997-05-15
JPH11514691A (ja) 1999-12-14
EP0858478A1 (de) 1998-08-19
DE59604255D1 (de) 2000-02-24

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