MX2009005464A - Disolucion y procesamiento de celulosa. - Google Patents

Disolucion y procesamiento de celulosa.

Info

Publication number
MX2009005464A
MX2009005464A MX2009005464A MX2009005464A MX2009005464A MX 2009005464 A MX2009005464 A MX 2009005464A MX 2009005464 A MX2009005464 A MX 2009005464A MX 2009005464 A MX2009005464 A MX 2009005464A MX 2009005464 A MX2009005464 A MX 2009005464A
Authority
MX
Mexico
Prior art keywords
components
ionic liquid
dissolution
cellulose
processing
Prior art date
Application number
MX2009005464A
Other languages
English (en)
Inventor
David Kershaw
Simon Adams
Original Assignee
Convatec Technologies Inc
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 Convatec Technologies Inc filed Critical Convatec Technologies Inc
Publication of MX2009005464A publication Critical patent/MX2009005464A/es

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B3/00—Preparation of cellulose esters of organic acids
    • C08B3/06—Cellulose acetate, e.g. mono-acetate, di-acetate or tri-acetate
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/70—Carbohydrates; Sugars; Derivatives thereof
    • A61K31/715—Polysaccharides, i.e. having more than five saccharide radicals attached to each other by glycosidic linkages; Derivatives thereof, e.g. ethers, esters
    • A61K31/716—Glucans
    • A61K31/717—Celluloses
    • 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
    • A61L15/28—Polysaccharides or their derivatives
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P17/00—Drugs for dermatological disorders
    • A61P17/02—Drugs for dermatological disorders for treating wounds, ulcers, burns, scars, keloids, or the like
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B11/00—Preparation of cellulose ethers
    • C08B11/02—Alkyl or cycloalkyl ethers
    • C08B11/04—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals
    • C08B11/10—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals substituted with acid radicals
    • C08B11/12—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals substituted with acid radicals substituted with carboxylic radicals, e.g. carboxymethylcellulose [CMC]
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B11/00—Preparation of cellulose ethers
    • C08B11/20—Post-etherification treatments of chemical or physical type, e.g. mixed etherification in two steps, including purification
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B11/00—Preparation of cellulose ethers
    • C08B11/20—Post-etherification treatments of chemical or physical type, e.g. mixed etherification in two steps, including purification
    • C08B11/22—Isolation
    • 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
    • C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
    • C08J3/09—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids
    • C08J3/091—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids characterised by the chemical constitution of the organic liquid
    • C08J3/096—Nitrogen containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
    • C08L1/08—Cellulose derivatives
    • C08L1/26—Cellulose ethers
    • C08L1/28—Alkyl ethers
    • C08L1/286—Alkyl ethers substituted with acid radicals, e.g. carboxymethyl cellulose [CMC]
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/0007—Electro-spinning
    • D01D5/0015—Electro-spinning characterised by the initial state of the material
    • D01D5/003—Electro-spinning characterised by the initial state of the material the material being a polymer solution or dispersion
    • D01D5/0046—Electro-spinning characterised by the initial state of the material the material being a polymer solution or dispersion the fibre formed by coagulation, i.e. wet electro-spinning
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/06—Wet spinning methods
    • 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
    • C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
    • C08J2301/08—Cellulose derivatives
    • C08J2301/26—Cellulose ethers
    • C08J2301/28—Alkyl ethers
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
    • D10B2201/20—Cellulose-derived artificial fibres
    • D10B2201/28—Cellulose esters or ethers, e.g. cellulose acetate
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2509/00—Medical; Hygiene

Abstract

La invención se refiere a un método para disolver los componentes de los materiales formadores de un gel, adecuados para su uso en el cuidado de las heridas, que comprende las etapas de mezclar los componentes con un líquido iónico. El líquido iónico puede ser seleccionado del grupo de N-óxidos de amina terciaria, mezclas de N,N-dimetilformamida/tetróxido de nitrógeno, mezclas de sulfóxido de dimetilo/paraformaldehído y soluciones de cloruro de litio en N,N-dimetilacetamida o N-metil pirrolidona.
MX2009005464A 2006-11-24 2007-11-22 Disolucion y procesamiento de celulosa. MX2009005464A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0623473.6A GB0623473D0 (en) 2006-11-24 2006-11-24 Dissolution and processing of cellulose
PCT/GB2007/004488 WO2008062209A2 (en) 2006-11-24 2007-11-22 Dissolution and processing of cellulose

Publications (1)

Publication Number Publication Date
MX2009005464A true MX2009005464A (es) 2009-09-08

Family

ID=37636453

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2009005464A MX2009005464A (es) 2006-11-24 2007-11-22 Disolucion y procesamiento de celulosa.

Country Status (9)

Country Link
US (2) US9358251B2 (es)
EP (1) EP2091567B1 (es)
JP (1) JP5265563B2 (es)
AU (1) AU2007323223B2 (es)
CA (1) CA2670619C (es)
GB (1) GB0623473D0 (es)
MX (1) MX2009005464A (es)
NZ (1) NZ577207A (es)
WO (1) WO2008062209A2 (es)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0623473D0 (en) 2006-11-24 2007-01-03 Bristol Myers Squibb Co Dissolution and processing of cellulose
US9834516B2 (en) 2007-02-14 2017-12-05 Eastman Chemical Company Regioselectively substituted cellulose esters produced in a carboxylated ionic liquid process and products produced therefrom
US8153782B2 (en) 2007-02-14 2012-04-10 Eastman Chemical Company Reformation of ionic liquids
US10174129B2 (en) 2007-02-14 2019-01-08 Eastman Chemical Company Regioselectively substituted cellulose esters produced in a carboxylated ionic liquid process and products produced therefrom
US8158777B2 (en) 2008-02-13 2012-04-17 Eastman Chemical Company Cellulose esters and their production in halogenated ionic liquids
US8188267B2 (en) 2008-02-13 2012-05-29 Eastman Chemical Company Treatment of cellulose esters
US8354525B2 (en) 2008-02-13 2013-01-15 Eastman Chemical Company Regioselectively substituted cellulose esters produced in a halogenated ionic liquid process and products produced therefrom
US9777074B2 (en) 2008-02-13 2017-10-03 Eastman Chemical Company Regioselectively substituted cellulose esters produced in a halogenated ionic liquid process and products produced therefrom
US8067488B2 (en) 2009-04-15 2011-11-29 Eastman Chemical Company Cellulose solutions comprising tetraalkylammonium alkylphosphate and products produced therefrom
JP2012126755A (ja) * 2010-12-10 2012-07-05 Bridgestone Corp セルロースの溶解方法およびセルロースの分子量分布の測定方法
US9096691B2 (en) 2011-04-13 2015-08-04 Eastman Chemical Company Cellulose ester optical films
DE102012005489B4 (de) * 2012-03-19 2017-02-23 Baden-Württemberg Stiftung Ggmbh Herstellung von Mikro- bzw. Supermikrofasern auf Cellulosebasis
CN103074699A (zh) * 2012-12-28 2013-05-01 佛山市优特医疗科技有限公司 化学改性的海丝纤维、由其制成的伤口敷料及其制备方法
CN103305952B (zh) * 2013-05-03 2017-02-08 天津工业大学 一种纤维素纺丝原液的制备
US9610379B2 (en) 2015-01-23 2017-04-04 Fpinnovations Absorbent fibres produced from low-substituted carboxymethyl cellulose and the process thereof
MX2020004744A (es) 2017-11-09 2020-08-13 11 Health And Tech Limited Sistema y metodo de monitoreo de ostomia.
USD893514S1 (en) 2018-11-08 2020-08-18 11 Health And Technologies Limited Display screen or portion thereof with graphical user interface

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4246221A (en) * 1979-03-02 1981-01-20 Akzona Incorporated Process for shaped cellulose article prepared from a solution containing cellulose dissolved in a tertiary amine N-oxide solvent
DE3827561C1 (es) * 1988-08-13 1989-12-28 Lts Lohmann Therapie-Systeme Gmbh & Co Kg, 5450 Neuwied, De
US5143071A (en) * 1989-03-30 1992-09-01 Nepera, Inc. Non-stringy adhesive hydrophilic gels
GB9126193D0 (en) 1991-12-10 1992-02-12 Courtaulds Plc Cellulosic fibres
GB9301258D0 (en) * 1993-01-22 1993-03-17 Courtaulds Plc Use of absorbent fibre
JPH09268424A (ja) * 1996-03-29 1997-10-14 Mitsubishi Rayon Co Ltd 新規なセルロースエステル溶液及びそれを用いたセルロースエステルの製造方法
JPH09302520A (ja) * 1996-05-14 1997-11-25 Kuraray Co Ltd 易フィブリル化繊維の製造方法
GB0026863D0 (en) 2000-11-03 2000-12-20 Ssl Int Plc Polysaccharide fibres
ITVR20010098A1 (it) 2001-09-11 2003-03-11 Consorzio Per Gli Studi Uni Procedimento per l'ottenimento di idrogeli di fibroina di seta.
GB2379819B (en) 2001-09-14 2005-09-07 Pixology Ltd Image processing to remove red-eye features
US6824599B2 (en) 2001-10-03 2004-11-30 The University Of Alabama Dissolution and processing of cellulose using ionic liquids
TW200410714A (en) 2002-08-07 2004-07-01 Smithkline Beecham Corp Electrospun amorphous pharmaceutical compositions
FI116140B (fi) * 2003-12-03 2005-09-30 Kemira Oyj Eetteröintimenetelmä
MX2008000068A (es) * 2005-06-29 2008-04-17 Univ Alabama Combinaciones liquidas ionicas de celulosa reconstituida como matrices de soporte solido.
CN101522985B (zh) * 2006-10-13 2013-01-16 巴斯夫欧洲公司 增溶聚合物的离子液体
GB0623473D0 (en) 2006-11-24 2007-01-03 Bristol Myers Squibb Co Dissolution and processing of cellulose

Also Published As

Publication number Publication date
JP5265563B2 (ja) 2013-08-14
WO2008062209A2 (en) 2008-05-29
EP2091567B1 (en) 2020-05-27
AU2007323223B2 (en) 2012-07-19
AU2007323223A1 (en) 2008-05-29
WO2008062209A3 (en) 2008-12-24
NZ577207A (en) 2011-12-22
CA2670619C (en) 2016-01-12
JP2010510405A (ja) 2010-04-02
CA2670619A1 (en) 2008-05-29
GB0623473D0 (en) 2007-01-03
US20100144669A1 (en) 2010-06-10
US9358251B2 (en) 2016-06-07
EP2091567A2 (en) 2009-08-26
US20160251451A1 (en) 2016-09-01
US10179823B2 (en) 2019-01-15

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