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CO4700529A1 - Espuma hidrofilica flexible de poliuretano y proceso para su produccion - Google Patents

Espuma hidrofilica flexible de poliuretano y proceso para su produccion

Info

Publication number
CO4700529A1
CO4700529A1 CO98035586A CO98035586A CO4700529A1 CO 4700529 A1 CO4700529 A1 CO 4700529A1 CO 98035586 A CO98035586 A CO 98035586A CO 98035586 A CO98035586 A CO 98035586A CO 4700529 A1 CO4700529 A1 CO 4700529A1
Authority
CO
Colombia
Prior art keywords
foam
hydrophilic polyurethane
polyurethane foam
production
flexible hydrophilic
Prior art date
Application number
CO98035586A
Other languages
English (en)
Inventor
Gerhard Jozef Bleys
Dirk Gerber
Henk Grymomprez
Original Assignee
Syngenta Ltd
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 Syngenta Ltd filed Critical Syngenta Ltd
Publication of CO4700529A1 publication Critical patent/CO4700529A1/es

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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/36—After-treatment
    • C08J9/38—Destruction of cell membranes
    • 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
    • A61L15/425—Porous materials, e.g. foams or sponges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/56—After-treatment of articles, e.g. for altering the shape
    • B29C44/5627—After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching
    • B29C44/5636—After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching with the addition of heat
    • 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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
    • 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
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Hematology (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Cell Biology (AREA)
  • Mechanical Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

Una espuma hidrofílica flexible de poliuretano la cualestá en un estado comprimido a una temperatura por encima de su temperatura de transición del vidrio (Tgs ) y la presión ambiental en ausencia de una fuerza adecuada para crear el estado comprimido.1Un proceso para producir una espuma de acuerdo con las reivindicaciones 1 a 16 que comprende los pasos de (a) aplicar una fuerza a la espuma adecuada para comprimir la espuma a una temperatura de 80 a 160°C durante un período de 1 a 60 minutos; y (b) retirar la fuerza y permitir que la espuma se enfríe a temperatura ambiente.
CO98035586A 1997-07-09 1998-06-23 Espuma hidrofilica flexible de poliuretano y proceso para su produccion CO4700529A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP97111608 1997-07-09

Publications (1)

Publication Number Publication Date
CO4700529A1 true CO4700529A1 (es) 1998-12-29

Family

ID=8227035

Family Applications (1)

Application Number Title Priority Date Filing Date
CO98035586A CO4700529A1 (es) 1997-07-09 1998-06-23 Espuma hidrofilica flexible de poliuretano y proceso para su produccion

Country Status (7)

Country Link
US (1) US6034149A (es)
EP (1) EP0996664A1 (es)
JP (1) JP2002511114A (es)
AU (1) AU7917298A (es)
CO (1) CO4700529A1 (es)
WO (1) WO1999002587A1 (es)
ZA (1) ZA985991B (es)

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US20040122141A1 (en) * 2000-10-19 2004-06-24 Todd Terry A Composite media for ion processing and a method for making the composite media
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US20020077269A1 (en) * 2000-10-27 2002-06-20 Whitehouse Robert S. Alkanoic acid ester monomer compositions and methods of making same
WO2002051902A1 (en) 2000-12-27 2002-07-04 World Properties Inc. Polyurethane foams and method of manafacture thereof
DK1401352T3 (da) 2001-06-14 2012-06-25 Kenton W Gregory Fremgangsmåde til fremstilling af en chitosansårforbinding
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US6664436B2 (en) 2001-07-24 2003-12-16 Kimberly-Clark Worldwide, Inc. Disposable products having humidity activated materials with shape-memory
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BRPI0410324A (pt) * 2003-05-15 2006-05-23 Biomerix Corp dispositivo implantável, processos de liofilização para produção de matriz elastomérica possuindo uma estrutura reticulada, de polimerização para a preparação de matriz elastomérica reticulada e de preparação de dispositivo implantável elastomérico de compósito reticulado, e, método para tratamento de uma desordem ortopédica
US20070135907A1 (en) 2003-10-02 2007-06-14 The Regents Of The University Of California Stent with expandable foam
US8133256B2 (en) * 2003-10-02 2012-03-13 Lawrence Livermore National Security, Llc Shape memory polymer foams for endovascular therapies
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US8882786B2 (en) * 2004-02-17 2014-11-11 Lawrence Livermore National Security, Llc. System for closure of a physical anomaly
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US11820852B2 (en) 2004-08-16 2023-11-21 Lawrence Livermore National Security, Llc Shape memory polymers
US8771294B2 (en) 2004-11-26 2014-07-08 Biomerix Corporation Aneurysm treatment devices and methods
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US7469437B2 (en) * 2005-06-24 2008-12-30 Tempur-Pedic Management, Inc. Reticulated material body support and method
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CN102076364B (zh) 2008-05-02 2014-07-02 普罗维登斯医疗卫生系统-俄勒冈州D/B/A普罗维登斯圣文森特医疗中心 创伤敷裹装置和方法
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CN107158445B (zh) 2012-05-29 2021-01-15 3M创新有限公司 包括聚合物泡沫和中间体的吸收制品
CN104411340B (zh) * 2012-05-29 2016-09-07 3M创新有限公司 包括具有超吸收剂的聚合物泡沫和中间体的吸收制品
CN103087502A (zh) * 2012-12-28 2013-05-08 东莞市帕瑞诗贸易有限公司 一种亲水性聚氨酯泡绵及发泡工艺
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Also Published As

Publication number Publication date
AU7917298A (en) 1999-02-08
JP2002511114A (ja) 2002-04-09
WO1999002587A1 (en) 1999-01-21
ZA985991B (en) 1999-01-18
EP0996664A1 (en) 2000-05-03
US6034149A (en) 2000-03-07

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