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AR001429A1 - Polímero basado en isocianato espumado, proceso para su producción y dispositivo para la higiene corporal que lo contiene. - Google Patents

Polímero basado en isocianato espumado, proceso para su producción y dispositivo para la higiene corporal que lo contiene.

Info

Publication number
AR001429A1
AR001429A1 AR33591096A AR33591096A AR001429A1 AR 001429 A1 AR001429 A1 AR 001429A1 AR 33591096 A AR33591096 A AR 33591096A AR 33591096 A AR33591096 A AR 33591096A AR 001429 A1 AR001429 A1 AR 001429A1
Authority
AR
Argentina
Prior art keywords
weight
polymer
active hydrogen
foamed isocyanate
superabsorbent material
Prior art date
Application number
AR33591096A
Other languages
English (en)
Inventor
R N Wilson
Original Assignee
Woodbridge Foam Corp
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
Priority claimed from US08/413,433 external-priority patent/US5674917A/en
Application filed by Woodbridge Foam Corp filed Critical Woodbridge Foam Corp
Publication of AR001429A1 publication Critical patent/AR001429A1/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
    • C08J9/0061—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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • 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
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
    • C08G18/4072—Mixtures of compounds of group C08G18/63 with other macromolecular compounds
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4804—Two or more polyethers of different physical or chemical nature
    • C08G18/4816—Two or more polyethers of different physical or chemical nature mixtures of two or more polyetherpolyols having at least three hydroxy groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes
    • C08L75/08—Polyurethanes from polyethers
    • 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
    • C08G2110/00—Foam properties
    • C08G2110/0008—Foam properties flexible
    • 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
    • C08G2110/00—Foam properties
    • C08G2110/0083—Foam properties prepared using water as the sole blowing agent
    • 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
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S521/905—Hydrophilic or hydrophobic cellular product

Landscapes

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

Abstract

Un polímero basado en isocianato espumado que tiene una estructura celular y que contiene un material superabsorbente, siendo el polímero capaz de: (i)absorber cuando menos aproximadamente 20 veces su peso de un fluido acuoso mantenido a una temperatura de aproximadamente 20°C a aproximadamente 25°C e(ii) retener cuando menos aproximadamente 20 veces su peso del fluido acuoso absorbido que se enlaza con el material superabsorbente. Dicho materialsuperabsorbente es un polímero sintéticotal como un polímero celulósico o un polímero de cuando menos uno de un monómero acrílico y un monómero de vinilo,aunque también pueden utilizarse copolímeros de ácido maleico e isobutileno (típicamente en forma de fibra) y poliéteres. Un proceso para producir unpolímero basado en isocianato espumado, el cual comprende los pasos de: proporcionar una mezcla sustancialmente uniforme que comprende un isocianato,un compuesto que contiene hidrógeno activo, y un material superabsorbente,siendo el material superabsorbente capaz de absorber cuando menosaproximadamente 20 veces su peso de un fluido acuoso mantenido a una temperatura en la escala de aproximadamente 20°C a aproximadamente 25°C,agregar a la mezcla sustancialmente uniforme un agente de soplado acuoso y un catalizador para formar una mezcla de reacción, y expandir la mezcla dereacción para producir el polímero basado en isocianato espumado, en donde el compuesto que contiene hidrógeno activo comprende de aproximadamente el 10 porciento al 100 por ciento en peso de un compuesto que contiene hidrógeno activo hidrofílico y del 0 a aproximadamente el 90 por ciento en peso de un compuestoque contiene hidrógeno activo no hidrofílico. El polímerobasado en isocianato espumado es idealmente adecuado para utilizarse en la confección de una capa
AR33591096A 1995-03-30 1996-03-26 Polímero basado en isocianato espumado, proceso para su producción y dispositivo para la higiene corporal que lo contiene. AR001429A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/413,433 US5674917A (en) 1995-03-30 1995-03-30 Superabsorbent hydrophilic isocyanate-based foam and process for production thereof
US08/554,896 US5719201A (en) 1995-03-30 1995-11-09 Superabsorbent hydrophilic isocyanate-based foam and process for production thereof

Publications (1)

Publication Number Publication Date
AR001429A1 true AR001429A1 (es) 1997-10-22

Family

ID=27022186

Family Applications (1)

Application Number Title Priority Date Filing Date
AR33591096A AR001429A1 (es) 1995-03-30 1996-03-26 Polímero basado en isocianato espumado, proceso para su producción y dispositivo para la higiene corporal que lo contiene.

Country Status (11)

Country Link
US (1) US5719201A (es)
EP (1) EP0824365A2 (es)
JP (1) JPH11503181A (es)
KR (2) KR19980703407A (es)
CN (1) CN1185745A (es)
AR (1) AR001429A1 (es)
AU (1) AU5140396A (es)
BR (1) BR9607989A (es)
CA (2) CA2172887C (es)
IL (1) IL117720A0 (es)
WO (1) WO1996031555A2 (es)

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CN1185745A (zh) 1998-06-24
KR19987003407A (en) 1998-11-05
MX9707497A (es) 1998-06-28
CA2172887A1 (en) 1996-10-01
WO1996031555A3 (en) 1997-02-06
CA2221586A1 (en) 1996-10-10
JPH11503181A (ja) 1999-03-23
EP0824365A2 (en) 1998-02-25
CA2172887C (en) 2001-06-12
KR19980703407A (ko) 1998-11-05
WO1996031555A2 (en) 1996-10-10
BR9607989A (pt) 1999-06-29
AU5140396A (en) 1996-10-23
US5719201A (en) 1998-02-17
IL117720A0 (en) 1996-07-23

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