ES2485302T3 - Método para proporcionar una nanocelulosa que implica modificar fibras de celulosa - Google Patents

Método para proporcionar una nanocelulosa que implica modificar fibras de celulosa Download PDF

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Publication number
ES2485302T3
ES2485302T3 ES09729526.5T ES09729526T ES2485302T3 ES 2485302 T3 ES2485302 T3 ES 2485302T3 ES 09729526 T ES09729526 T ES 09729526T ES 2485302 T3 ES2485302 T3 ES 2485302T3
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nanocellulose
aqueous solution
range
providing
electrolyte
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ES09729526.5T
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English (en)
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Mikael Ankerfors
Tom Lindström
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Innventia AB
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Innventia AB
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82B—NANOSTRUCTURES FORMED BY MANIPULATION OF INDIVIDUAL ATOMS, MOLECULES, OR LIMITED COLLECTIONS OF ATOMS OR MOLECULES AS DISCRETE UNITS; MANUFACTURE OR TREATMENT THEREOF
    • B82B3/00—Manufacture or treatment of nanostructures by manipulation of individual atoms or molecules, or limited collections of atoms or molecules as discrete units
    • B82B3/0095—Manufacture or treatments or nanostructures not provided for in groups B82B3/0009 - B82B3/009
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/16—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment
    • D21H11/20—Chemically or biochemically modified fibres
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/001—Modification of pulp properties
    • D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/16—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment
    • D21H11/18—Highly hydrated, swollen or fibrillatable fibres
    • 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
    • C08L1/02—Cellulose; Modified cellulose
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/001—Modification of pulp properties
    • D21C9/007—Modification of pulp properties by mechanical or physical means
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H15/00—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution
    • D21H15/02—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution characterised by configuration

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Nanotechnology (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Paper (AREA)
  • Artificial Filaments (AREA)
  • Jellies, Jams, And Syrups (AREA)
  • Cosmetics (AREA)
  • Paints Or Removers (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
  • Medicinal Preparation (AREA)

Abstract

Metodo para proporcionar una nanocelulosa que implica modificar fibras de celulosa, en el que el metodo comprende las siguientes etapas: i) tratar fibras de celulosa durante al menos 5 minutos con una disolucion acuosa que contiene electrolito de una carboximetilcelulosa anfotera o un derivado de la misma, preferiblemente una CMC anfotera de bajo peso molecular o un derivado de CMC de la misma, mediante lo cual la temperatura durante el tratamiento es de al menos 50°C, y se aplica al menos una de las siguientes condiciones: A) el pH de la disolucion acuosa durante el tratamiento se encuentra en el intervalo de aproximadamente 1,5 - 4,5, preferiblemente en la region de 2 - 4; o B) el pH de la disolucion acuosa durante el tratamiento es mayor de aproximadamente 11; o C) la concentracion del electrolito en la disolucion acuosa se encuentra en el intervalo de aproximadamente 0,0001-0,5 M, preferiblemente de aproximadamente 0,001-0,4 M, Si el electrolito tiene cationes monovalentes, o en el intervalo de aproximadamente 0,0001-0,1 M, preferiblemente de aproximadamente 0,0005-0,05 M, si el electrolito tiene cationes divalentes, ii) ajustar el pH usando un liquido basic() y/o uno acid° en un intervalo de pH de desde aproximadamente 5 hasta aproximadamente 13, preferiblemente se ajusta el pH a un pH de desde aproximadamente 6 hasta aproximadamente 12, y iii) tratar dicho material en un dispositivo de trituraci6n mecanica, proporcionando asi dicha nanocelulosa.

Description

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Claims (1)

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ES09729526.5T 2008-04-10 2009-04-08 Método para proporcionar una nanocelulosa que implica modificar fibras de celulosa Active ES2485302T3 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE0800807A SE0800807L (sv) 2008-04-10 2008-04-10 Nytt förfarande
SE0800807 2008-04-10
PCT/SE2009/050371 WO2009126106A1 (en) 2008-04-10 2009-04-08 Method for providing a nanocellulose involving modifying cellulose fibers

Publications (1)

Publication Number Publication Date
ES2485302T3 true ES2485302T3 (es) 2014-08-13

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ES09729526.5T Active ES2485302T3 (es) 2008-04-10 2009-04-08 Método para proporcionar una nanocelulosa que implica modificar fibras de celulosa

Country Status (15)

Country Link
US (1) US8911591B2 (es)
EP (1) EP2265760B1 (es)
JP (2) JP2011522902A (es)
KR (1) KR20100134742A (es)
AU (1) AU2009234498B2 (es)
BR (1) BRPI0911507B8 (es)
CA (1) CA2721056C (es)
CL (1) CL2009000865A1 (es)
ES (1) ES2485302T3 (es)
NZ (1) NZ588539A (es)
PT (1) PT2265760E (es)
RU (1) RU2519257C2 (es)
SE (1) SE0800807L (es)
WO (1) WO2009126106A1 (es)
ZA (1) ZA201007250B (es)

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RU2010145477A (ru) 2012-05-20
JP2011522902A (ja) 2011-08-04
US8911591B2 (en) 2014-12-16
ZA201007250B (en) 2011-12-28
CL2009000865A1 (es) 2010-03-26
PT2265760E (pt) 2014-07-17
WO2009126106A1 (en) 2009-10-15
RU2519257C2 (ru) 2014-06-10
US20110036522A1 (en) 2011-02-17
NZ588539A (en) 2012-04-27
BRPI0911507B1 (pt) 2019-07-16
AU2009234498B2 (en) 2014-01-09
EP2265760A1 (en) 2010-12-29
SE0800807L (sv) 2009-10-11
AU2009234498A1 (en) 2009-10-15
AU2009234498A2 (en) 2010-12-16
CA2721056C (en) 2015-03-24
BRPI0911507A2 (pt) 2015-10-06
EP2265760B1 (en) 2014-05-07
KR20100134742A (ko) 2010-12-23
CA2721056A1 (en) 2009-10-15
BRPI0911507B8 (pt) 2021-06-22
JP2014194023A (ja) 2014-10-09
EP2265760A4 (en) 2013-04-03

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